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| -rw-r--r-- | assets/netcut/lib/videojs/alt/video.core.js | 26948 |
1 files changed, 26948 insertions, 0 deletions
diff --git a/assets/netcut/lib/videojs/alt/video.core.js b/assets/netcut/lib/videojs/alt/video.core.js new file mode 100644 index 0000000..d2b72e5 --- /dev/null +++ b/assets/netcut/lib/videojs/alt/video.core.js @@ -0,0 +1,26948 @@ +/** + * @license + * Video.js 7.2.4 <http://videojs.com/> + * Copyright Brightcove, Inc. <https://www.brightcove.com/> + * Available under Apache License Version 2.0 + * <https://github.com/videojs/video.js/blob/master/LICENSE> + * + * Includes vtt.js <https://github.com/mozilla/vtt.js> + * Available under Apache License Version 2.0 + * <https://github.com/mozilla/vtt.js/blob/master/LICENSE> + */ + +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global.videojs = factory()); +}(this, (function () { + var version = "7.2.4"; + + var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {}; + + function createCommonjsModule(fn, module) { + return module = { exports: {} }, fn(module, module.exports), module.exports; + } + + var win; + + if (typeof window !== "undefined") { + win = window; + } else if (typeof commonjsGlobal !== "undefined") { + win = commonjsGlobal; + } else if (typeof self !== "undefined") { + win = self; + } else { + win = {}; + } + + var window_1 = win; + + var empty = {}; + + var empty$1 = /*#__PURE__*/Object.freeze({ + default: empty + }); + + var minDoc = ( empty$1 && empty ) || empty$1; + + var topLevel = typeof commonjsGlobal !== 'undefined' ? commonjsGlobal : typeof window !== 'undefined' ? window : {}; + + var doccy; + + if (typeof document !== 'undefined') { + doccy = document; + } else { + doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4']; + + if (!doccy) { + doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc; + } + } + + var document_1 = doccy; + + /** + * @file log.js + * @module log + */ + + var log = void 0; + + // This is the private tracking variable for logging level. + var level = 'info'; + + // This is the private tracking variable for the logging history. + var history = []; + + /** + * Log messages to the console and history based on the type of message + * + * @private + * @param {string} type + * The name of the console method to use. + * + * @param {Array} args + * The arguments to be passed to the matching console method. + */ + var logByType = function logByType(type, args) { + var lvl = log.levels[level]; + var lvlRegExp = new RegExp('^(' + lvl + ')$'); + + if (type !== 'log') { + + // Add the type to the front of the message when it's not "log". + args.unshift(type.toUpperCase() + ':'); + } + + // Add a clone of the args at this point to history. + if (history) { + history.push([].concat(args)); + } + + // Add console prefix after adding to history. + args.unshift('VIDEOJS:'); + + // If there's no console then don't try to output messages, but they will + // still be stored in history. + if (!window_1.console) { + return; + } + + // Was setting these once outside of this function, but containing them + // in the function makes it easier to test cases where console doesn't exist + // when the module is executed. + var fn = window_1.console[type]; + + if (!fn && type === 'debug') { + // Certain browsers don't have support for console.debug. For those, we + // should default to the closest comparable log. + fn = window_1.console.info || window_1.console.log; + } + + // Bail out if there's no console or if this type is not allowed by the + // current logging level. + if (!fn || !lvl || !lvlRegExp.test(type)) { + return; + } + + fn[Array.isArray(args) ? 'apply' : 'call'](window_1.console, args); + }; + + /** + * Logs plain debug messages. Similar to `console.log`. + * + * @class + * @param {Mixed[]} args + * One or more messages or objects that should be logged. + */ + log = function log() { + for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) { + args[_key] = arguments[_key]; + } + + logByType('log', args); + }; + + /** + * Enumeration of available logging levels, where the keys are the level names + * and the values are `|`-separated strings containing logging methods allowed + * in that logging level. These strings are used to create a regular expression + * matching the function name being called. + * + * Levels provided by video.js are: + * + * - `off`: Matches no calls. Any value that can be cast to `false` will have + * this effect. The most restrictive. + * - `all`: Matches only Video.js-provided functions (`debug`, `log`, + * `log.warn`, and `log.error`). + * - `debug`: Matches `log.debug`, `log`, `log.warn`, and `log.error` calls. + * - `info` (default): Matches `log`, `log.warn`, and `log.error` calls. + * - `warn`: Matches `log.warn` and `log.error` calls. + * - `error`: Matches only `log.error` calls. + * + * @type {Object} + */ + log.levels = { + all: 'debug|log|warn|error', + off: '', + debug: 'debug|log|warn|error', + info: 'log|warn|error', + warn: 'warn|error', + error: 'error', + DEFAULT: level + }; + + /** + * Get or set the current logging level. If a string matching a key from + * {@link log.levels} is provided, acts as a setter. Regardless of argument, + * returns the current logging level. + * + * @param {string} [lvl] + * Pass to set a new logging level. + * + * @return {string} + * The current logging level. + */ + log.level = function (lvl) { + if (typeof lvl === 'string') { + if (!log.levels.hasOwnProperty(lvl)) { + throw new Error('"' + lvl + '" in not a valid log level'); + } + level = lvl; + } + return level; + }; + + /** + * Returns an array containing everything that has been logged to the history. + * + * This array is a shallow clone of the internal history record. However, its + * contents are _not_ cloned; so, mutating objects inside this array will + * mutate them in history. + * + * @return {Array} + */ + log.history = function () { + return history ? [].concat(history) : []; + }; + + /** + * Clears the internal history tracking, but does not prevent further history + * tracking. + */ + log.history.clear = function () { + if (history) { + history.length = 0; + } + }; + + /** + * Disable history tracking if it is currently enabled. + */ + log.history.disable = function () { + if (history !== null) { + history.length = 0; + history = null; + } + }; + + /** + * Enable history tracking if it is currently disabled. + */ + log.history.enable = function () { + if (history === null) { + history = []; + } + }; + + /** + * Logs error messages. Similar to `console.error`. + * + * @param {Mixed[]} args + * One or more messages or objects that should be logged as an error + */ + log.error = function () { + for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { + args[_key2] = arguments[_key2]; + } + + return logByType('error', args); + }; + + /** + * Logs warning messages. Similar to `console.warn`. + * + * @param {Mixed[]} args + * One or more messages or objects that should be logged as a warning. + */ + log.warn = function () { + for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) { + args[_key3] = arguments[_key3]; + } + + return logByType('warn', args); + }; + + /** + * Logs debug messages. Similar to `console.debug`, but may also act as a comparable + * log if `console.debug` is not available + * + * @param {Mixed[]} args + * One or more messages or objects that should be logged as debug. + */ + log.debug = function () { + for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) { + args[_key4] = arguments[_key4]; + } + + return logByType('debug', args); + }; + + var log$1 = log; + + function clean(s) { + return s.replace(/\n\r?\s*/g, ''); + } + + var tsml = function tsml(sa) { + var s = '', + i = 0; + + for (; i < arguments.length; i++) { + s += clean(sa[i]) + (arguments[i + 1] || ''); + }return s; + }; + + var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { + return typeof obj; + } : function (obj) { + return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; + }; + + var classCallCheck = function (instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } + }; + + var inherits = function (subClass, superClass) { + if (typeof superClass !== "function" && superClass !== null) { + throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); + } + + subClass.prototype = Object.create(superClass && superClass.prototype, { + constructor: { + value: subClass, + enumerable: false, + writable: true, + configurable: true + } + }); + if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; + }; + + var possibleConstructorReturn = function (self, call) { + if (!self) { + throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); + } + + return call && (typeof call === "object" || typeof call === "function") ? call : self; + }; + + var taggedTemplateLiteralLoose = function (strings, raw) { + strings.raw = raw; + return strings; + }; + + /** + * @file obj.js + * @module obj + */ + + /** + * @callback obj:EachCallback + * + * @param {Mixed} value + * The current key for the object that is being iterated over. + * + * @param {string} key + * The current key-value for object that is being iterated over + */ + + /** + * @callback obj:ReduceCallback + * + * @param {Mixed} accum + * The value that is accumulating over the reduce loop. + * + * @param {Mixed} value + * The current key for the object that is being iterated over. + * + * @param {string} key + * The current key-value for object that is being iterated over + * + * @return {Mixed} + * The new accumulated value. + */ + var toString = Object.prototype.toString; + + /** + * Get the keys of an Object + * + * @param {Object} + * The Object to get the keys from + * + * @return {string[]} + * An array of the keys from the object. Returns an empty array if the + * object passed in was invalid or had no keys. + * + * @private + */ + var keys = function keys(object) { + return isObject(object) ? Object.keys(object) : []; + }; + + /** + * Array-like iteration for objects. + * + * @param {Object} object + * The object to iterate over + * + * @param {obj:EachCallback} fn + * The callback function which is called for each key in the object. + */ + function each(object, fn) { + keys(object).forEach(function (key) { + return fn(object[key], key); + }); + } + + /** + * Array-like reduce for objects. + * + * @param {Object} object + * The Object that you want to reduce. + * + * @param {Function} fn + * A callback function which is called for each key in the object. It + * receives the accumulated value and the per-iteration value and key + * as arguments. + * + * @param {Mixed} [initial = 0] + * Starting value + * + * @return {Mixed} + * The final accumulated value. + */ + function reduce(object, fn) { + var initial = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0; + + return keys(object).reduce(function (accum, key) { + return fn(accum, object[key], key); + }, initial); + } + + /** + * Object.assign-style object shallow merge/extend. + * + * @param {Object} target + * @param {Object} ...sources + * @return {Object} + */ + function assign(target) { + for (var _len = arguments.length, sources = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + sources[_key - 1] = arguments[_key]; + } + + if (Object.assign) { + return Object.assign.apply(Object, [target].concat(sources)); + } + + sources.forEach(function (source) { + if (!source) { + return; + } + + each(source, function (value, key) { + target[key] = value; + }); + }); + + return target; + } + + /** + * Returns whether a value is an object of any kind - including DOM nodes, + * arrays, regular expressions, etc. Not functions, though. + * + * This avoids the gotcha where using `typeof` on a `null` value + * results in `'object'`. + * + * @param {Object} value + * @return {Boolean} + */ + function isObject(value) { + return !!value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object'; + } + + /** + * Returns whether an object appears to be a "plain" object - that is, a + * direct instance of `Object`. + * + * @param {Object} value + * @return {Boolean} + */ + function isPlain(value) { + return isObject(value) && toString.call(value) === '[object Object]' && value.constructor === Object; + } + + /** + * @file computed-style.js + * @module computed-style + */ + + /** + * A safe getComputedStyle. + * + * This is needed because in Firefox, if the player is loaded in an iframe with + * `display:none`, then `getComputedStyle` returns `null`, so, we do a null-check to + * make sure that the player doesn't break in these cases. + * + * @param {Element} el + * The element you want the computed style of + * + * @param {string} prop + * The property name you want + * + * @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397 + * + * @static + * @const + */ + function computedStyle(el, prop) { + if (!el || !prop) { + return ''; + } + + if (typeof window_1.getComputedStyle === 'function') { + var cs = window_1.getComputedStyle(el); + + return cs ? cs[prop] : ''; + } + + return ''; + } + + var _templateObject = taggedTemplateLiteralLoose(['Setting attributes in the second argument of createEl()\n has been deprecated. Use the third argument instead.\n createEl(type, properties, attributes). Attempting to set ', ' to ', '.'], ['Setting attributes in the second argument of createEl()\n has been deprecated. Use the third argument instead.\n createEl(type, properties, attributes). Attempting to set ', ' to ', '.']); + + /** + * Detect if a value is a string with any non-whitespace characters. + * + * @param {string} str + * The string to check + * + * @return {boolean} + * - True if the string is non-blank + * - False otherwise + * + */ + function isNonBlankString(str) { + return typeof str === 'string' && /\S/.test(str); + } + + /** + * Throws an error if the passed string has whitespace. This is used by + * class methods to be relatively consistent with the classList API. + * + * @param {string} str + * The string to check for whitespace. + * + * @throws {Error} + * Throws an error if there is whitespace in the string. + * + */ + function throwIfWhitespace(str) { + if (/\s/.test(str)) { + throw new Error('class has illegal whitespace characters'); + } + } + + /** + * Produce a regular expression for matching a className within an elements className. + * + * @param {string} className + * The className to generate the RegExp for. + * + * @return {RegExp} + * The RegExp that will check for a specific `className` in an elements + * className. + */ + function classRegExp(className) { + return new RegExp('(^|\\s)' + className + '($|\\s)'); + } + + /** + * Whether the current DOM interface appears to be real. + * + * @return {Boolean} + */ + function isReal() { + // Both document and window will never be undefined thanks to `global`. + return document_1 === window_1.document; + } + + /** + * Determines, via duck typing, whether or not a value is a DOM element. + * + * @param {Mixed} value + * The thing to check + * + * @return {boolean} + * - True if it is a DOM element + * - False otherwise + */ + function isEl(value) { + return isObject(value) && value.nodeType === 1; + } + + /** + * Determines if the current DOM is embedded in an iframe. + * + * @return {boolean} + * + */ + function isInFrame() { + + // We need a try/catch here because Safari will throw errors when attempting + // to get either `parent` or `self` + try { + return window_1.parent !== window_1.self; + } catch (x) { + return true; + } + } + + /** + * Creates functions to query the DOM using a given method. + * + * @param {string} method + * The method to create the query with. + * + * @return {Function} + * The query method + */ + function createQuerier(method) { + return function (selector, context) { + if (!isNonBlankString(selector)) { + return document_1[method](null); + } + if (isNonBlankString(context)) { + context = document_1.querySelector(context); + } + + var ctx = isEl(context) ? context : document_1; + + return ctx[method] && ctx[method](selector); + }; + } + + /** + * Creates an element and applies properties. + * + * @param {string} [tagName='div'] + * Name of tag to be created. + * + * @param {Object} [properties={}] + * Element properties to be applied. + * + * @param {Object} [attributes={}] + * Element attributes to be applied. + * + * @param {String|Element|TextNode|Array|Function} [content] + * Contents for the element (see: {@link dom:normalizeContent}) + * + * @return {Element} + * The element that was created. + */ + function createEl() { + var tagName = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'div'; + var properties = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; + var content = arguments[3]; + + var el = document_1.createElement(tagName); + + Object.getOwnPropertyNames(properties).forEach(function (propName) { + var val = properties[propName]; + + // See #2176 + // We originally were accepting both properties and attributes in the + // same object, but that doesn't work so well. + if (propName.indexOf('aria-') !== -1 || propName === 'role' || propName === 'type') { + log$1.warn(tsml(_templateObject, propName, val)); + el.setAttribute(propName, val); + + // Handle textContent since it's not supported everywhere and we have a + // method for it. + } else if (propName === 'textContent') { + textContent(el, val); + } else { + el[propName] = val; + } + }); + + Object.getOwnPropertyNames(attributes).forEach(function (attrName) { + el.setAttribute(attrName, attributes[attrName]); + }); + + if (content) { + appendContent(el, content); + } + + return el; + } + + /** + * Injects text into an element, replacing any existing contents entirely. + * + * @param {Element} el + * The element to add text content into + * + * @param {string} text + * The text content to add. + * + * @return {Element} + * The element with added text content. + */ + function textContent(el, text) { + if (typeof el.textContent === 'undefined') { + el.innerText = text; + } else { + el.textContent = text; + } + return el; + } + + /** + * Insert an element as the first child node of another + * + * @param {Element} child + * Element to insert + * + * @param {Element} parent + * Element to insert child into + */ + function prependTo(child, parent) { + if (parent.firstChild) { + parent.insertBefore(child, parent.firstChild); + } else { + parent.appendChild(child); + } + } + + /** + * Check if an element has a CSS class + * + * @param {Element} element + * Element to check + * + * @param {string} classToCheck + * Class name to check for + * + * @return {boolean} + * - True if the element had the class + * - False otherwise. + * + * @throws {Error} + * Throws an error if `classToCheck` has white space. + */ + function hasClass(element, classToCheck) { + throwIfWhitespace(classToCheck); + if (element.classList) { + return element.classList.contains(classToCheck); + } + return classRegExp(classToCheck).test(element.className); + } + + /** + * Add a CSS class name to an element + * + * @param {Element} element + * Element to add class name to. + * + * @param {string} classToAdd + * Class name to add. + * + * @return {Element} + * The dom element with the added class name. + */ + function addClass(element, classToAdd) { + if (element.classList) { + element.classList.add(classToAdd); + + // Don't need to `throwIfWhitespace` here because `hasElClass` will do it + // in the case of classList not being supported. + } else if (!hasClass(element, classToAdd)) { + element.className = (element.className + ' ' + classToAdd).trim(); + } + + return element; + } + + /** + * Remove a CSS class name from an element + * + * @param {Element} element + * Element to remove a class name from. + * + * @param {string} classToRemove + * Class name to remove + * + * @return {Element} + * The dom element with class name removed. + */ + function removeClass(element, classToRemove) { + if (element.classList) { + element.classList.remove(classToRemove); + } else { + throwIfWhitespace(classToRemove); + element.className = element.className.split(/\s+/).filter(function (c) { + return c !== classToRemove; + }).join(' '); + } + + return element; + } + + /** + * The callback definition for toggleElClass. + * + * @callback Dom~PredicateCallback + * @param {Element} element + * The DOM element of the Component. + * + * @param {string} classToToggle + * The `className` that wants to be toggled + * + * @return {boolean|undefined} + * - If true the `classToToggle` will get added to `element`. + * - If false the `classToToggle` will get removed from `element`. + * - If undefined this callback will be ignored + */ + + /** + * Adds or removes a CSS class name on an element depending on an optional + * condition or the presence/absence of the class name. + * + * @param {Element} element + * The element to toggle a class name on. + * + * @param {string} classToToggle + * The class that should be toggled + * + * @param {boolean|PredicateCallback} [predicate] + * See the return value for {@link Dom~PredicateCallback} + * + * @return {Element} + * The element with a class that has been toggled. + */ + function toggleClass(element, classToToggle, predicate) { + + // This CANNOT use `classList` internally because IE11 does not support the + // second parameter to the `classList.toggle()` method! Which is fine because + // `classList` will be used by the add/remove functions. + var has = hasClass(element, classToToggle); + + if (typeof predicate === 'function') { + predicate = predicate(element, classToToggle); + } + + if (typeof predicate !== 'boolean') { + predicate = !has; + } + + // If the necessary class operation matches the current state of the + // element, no action is required. + if (predicate === has) { + return; + } + + if (predicate) { + addClass(element, classToToggle); + } else { + removeClass(element, classToToggle); + } + + return element; + } + + /** + * Apply attributes to an HTML element. + * + * @param {Element} el + * Element to add attributes to. + * + * @param {Object} [attributes] + * Attributes to be applied. + */ + function setAttributes(el, attributes) { + Object.getOwnPropertyNames(attributes).forEach(function (attrName) { + var attrValue = attributes[attrName]; + + if (attrValue === null || typeof attrValue === 'undefined' || attrValue === false) { + el.removeAttribute(attrName); + } else { + el.setAttribute(attrName, attrValue === true ? '' : attrValue); + } + }); + } + + /** + * Get an element's attribute values, as defined on the HTML tag + * Attributes are not the same as properties. They're defined on the tag + * or with setAttribute (which shouldn't be used with HTML) + * This will return true or false for boolean attributes. + * + * @param {Element} tag + * Element from which to get tag attributes. + * + * @return {Object} + * All attributes of the element. + */ + function getAttributes(tag) { + var obj = {}; + + // known boolean attributes + // we can check for matching boolean properties, but not all browsers + // and not all tags know about these attributes, so, we still want to check them manually + var knownBooleans = ',' + 'autoplay,controls,playsinline,loop,muted,default,defaultMuted' + ','; + + if (tag && tag.attributes && tag.attributes.length > 0) { + var attrs = tag.attributes; + + for (var i = attrs.length - 1; i >= 0; i--) { + var attrName = attrs[i].name; + var attrVal = attrs[i].value; + + // check for known booleans + // the matching element property will return a value for typeof + if (typeof tag[attrName] === 'boolean' || knownBooleans.indexOf(',' + attrName + ',') !== -1) { + // the value of an included boolean attribute is typically an empty + // string ('') which would equal false if we just check for a false value. + // we also don't want support bad code like autoplay='false' + attrVal = attrVal !== null ? true : false; + } + + obj[attrName] = attrVal; + } + } + + return obj; + } + + /** + * Get the value of an element's attribute + * + * @param {Element} el + * A DOM element + * + * @param {string} attribute + * Attribute to get the value of + * + * @return {string} + * value of the attribute + */ + function getAttribute(el, attribute) { + return el.getAttribute(attribute); + } + + /** + * Set the value of an element's attribute + * + * @param {Element} el + * A DOM element + * + * @param {string} attribute + * Attribute to set + * + * @param {string} value + * Value to set the attribute to + */ + function setAttribute(el, attribute, value) { + el.setAttribute(attribute, value); + } + + /** + * Remove an element's attribute + * + * @param {Element} el + * A DOM element + * + * @param {string} attribute + * Attribute to remove + */ + function removeAttribute(el, attribute) { + el.removeAttribute(attribute); + } + + /** + * Attempt to block the ability to select text while dragging controls + */ + function blockTextSelection() { + document_1.body.focus(); + document_1.onselectstart = function () { + return false; + }; + } + + /** + * Turn off text selection blocking + */ + function unblockTextSelection() { + document_1.onselectstart = function () { + return true; + }; + } + + /** + * Identical to the native `getBoundingClientRect` function, but ensures that + * the method is supported at all (it is in all browsers we claim to support) + * and that the element is in the DOM before continuing. + * + * This wrapper function also shims properties which are not provided by some + * older browsers (namely, IE8). + * + * Additionally, some browsers do not support adding properties to a + * `ClientRect`/`DOMRect` object; so, we shallow-copy it with the standard + * properties (except `x` and `y` which are not widely supported). This helps + * avoid implementations where keys are non-enumerable. + * + * @param {Element} el + * Element whose `ClientRect` we want to calculate. + * + * @return {Object|undefined} + * Always returns a plain + */ + function getBoundingClientRect(el) { + if (el && el.getBoundingClientRect && el.parentNode) { + var rect = el.getBoundingClientRect(); + var result = {}; + + ['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(function (k) { + if (rect[k] !== undefined) { + result[k] = rect[k]; + } + }); + + if (!result.height) { + result.height = parseFloat(computedStyle(el, 'height')); + } + + if (!result.width) { + result.width = parseFloat(computedStyle(el, 'width')); + } + + return result; + } + } + + /** + * The postion of a DOM element on the page. + * + * @typedef {Object} module:dom~Position + * + * @property {number} left + * Pixels to the left + * + * @property {number} top + * Pixels on top + */ + + /** + * Offset Left. + * getBoundingClientRect technique from + * John Resig + * + * @see http://ejohn.org/blog/getboundingclientrect-is-awesome/ + * + * @param {Element} el + * Element from which to get offset + * + * @return {module:dom~Position} + * The position of the element that was passed in. + */ + function findPosition(el) { + var box = void 0; + + if (el.getBoundingClientRect && el.parentNode) { + box = el.getBoundingClientRect(); + } + + if (!box) { + return { + left: 0, + top: 0 + }; + } + + var docEl = document_1.documentElement; + var body = document_1.body; + + var clientLeft = docEl.clientLeft || body.clientLeft || 0; + var scrollLeft = window_1.pageXOffset || body.scrollLeft; + var left = box.left + scrollLeft - clientLeft; + + var clientTop = docEl.clientTop || body.clientTop || 0; + var scrollTop = window_1.pageYOffset || body.scrollTop; + var top = box.top + scrollTop - clientTop; + + // Android sometimes returns slightly off decimal values, so need to round + return { + left: Math.round(left), + top: Math.round(top) + }; + } + + /** + * x and y coordinates for a dom element or mouse pointer + * + * @typedef {Object} Dom~Coordinates + * + * @property {number} x + * x coordinate in pixels + * + * @property {number} y + * y coordinate in pixels + */ + + /** + * Get pointer position in element + * Returns an object with x and y coordinates. + * The base on the coordinates are the bottom left of the element. + * + * @param {Element} el + * Element on which to get the pointer position on + * + * @param {EventTarget~Event} event + * Event object + * + * @return {Dom~Coordinates} + * A Coordinates object corresponding to the mouse position. + * + */ + function getPointerPosition(el, event) { + var position = {}; + var box = findPosition(el); + var boxW = el.offsetWidth; + var boxH = el.offsetHeight; + + var boxY = box.top; + var boxX = box.left; + var pageY = event.pageY; + var pageX = event.pageX; + + if (event.changedTouches) { + pageX = event.changedTouches[0].pageX; + pageY = event.changedTouches[0].pageY; + } + + position.y = Math.max(0, Math.min(1, (boxY - pageY + boxH) / boxH)); + position.x = Math.max(0, Math.min(1, (pageX - boxX) / boxW)); + + return position; + } + + /** + * Determines, via duck typing, whether or not a value is a text node. + * + * @param {Mixed} value + * Check if this value is a text node. + * + * @return {boolean} + * - True if it is a text node + * - False otherwise + */ + function isTextNode(value) { + return isObject(value) && value.nodeType === 3; + } + + /** + * Empties the contents of an element. + * + * @param {Element} el + * The element to empty children from + * + * @return {Element} + * The element with no children + */ + function emptyEl(el) { + while (el.firstChild) { + el.removeChild(el.firstChild); + } + return el; + } + + /** + * Normalizes content for eventual insertion into the DOM. + * + * This allows a wide range of content definition methods, but protects + * from falling into the trap of simply writing to `innerHTML`, which is + * an XSS concern. + * + * The content for an element can be passed in multiple types and + * combinations, whose behavior is as follows: + * + * @param {String|Element|TextNode|Array|Function} content + * - String: Normalized into a text node. + * - Element/TextNode: Passed through. + * - Array: A one-dimensional array of strings, elements, nodes, or functions + * (which return single strings, elements, or nodes). + * - Function: If the sole argument, is expected to produce a string, element, + * node, or array as defined above. + * + * @return {Array} + * All of the content that was passed in normalized. + */ + function normalizeContent(content) { + + // First, invoke content if it is a function. If it produces an array, + // that needs to happen before normalization. + if (typeof content === 'function') { + content = content(); + } + + // Next up, normalize to an array, so one or many items can be normalized, + // filtered, and returned. + return (Array.isArray(content) ? content : [content]).map(function (value) { + + // First, invoke value if it is a function to produce a new value, + // which will be subsequently normalized to a Node of some kind. + if (typeof value === 'function') { + value = value(); + } + + if (isEl(value) || isTextNode(value)) { + return value; + } + + if (typeof value === 'string' && /\S/.test(value)) { + return document_1.createTextNode(value); + } + }).filter(function (value) { + return value; + }); + } + + /** + * Normalizes and appends content to an element. + * + * @param {Element} el + * Element to append normalized content to. + * + * + * @param {String|Element|TextNode|Array|Function} content + * See the `content` argument of {@link dom:normalizeContent} + * + * @return {Element} + * The element with appended normalized content. + */ + function appendContent(el, content) { + normalizeContent(content).forEach(function (node) { + return el.appendChild(node); + }); + return el; + } + + /** + * Normalizes and inserts content into an element; this is identical to + * `appendContent()`, except it empties the element first. + * + * @param {Element} el + * Element to insert normalized content into. + * + * @param {String|Element|TextNode|Array|Function} content + * See the `content` argument of {@link dom:normalizeContent} + * + * @return {Element} + * The element with inserted normalized content. + * + */ + function insertContent(el, content) { + return appendContent(emptyEl(el), content); + } + + /** + * Check if event was a single left click + * + * @param {EventTarget~Event} event + * Event object + * + * @return {boolean} + * - True if a left click + * - False if not a left click + */ + function isSingleLeftClick(event) { + // Note: if you create something draggable, be sure to + // call it on both `mousedown` and `mousemove` event, + // otherwise `mousedown` should be enough for a button + + if (event.button === undefined && event.buttons === undefined) { + // Why do we need `buttons` ? + // Because, middle mouse sometimes have this: + // e.button === 0 and e.buttons === 4 + // Furthermore, we want to prevent combination click, something like + // HOLD middlemouse then left click, that would be + // e.button === 0, e.buttons === 5 + // just `button` is not gonna work + + // Alright, then what this block does ? + // this is for chrome `simulate mobile devices` + // I want to support this as well + + return true; + } + + if (event.button === 0 && event.buttons === undefined) { + // Touch screen, sometimes on some specific device, `buttons` + // doesn't have anything (safari on ios, blackberry...) + + return true; + } + + if (event.button !== 0 || event.buttons !== 1) { + // This is the reason we have those if else block above + // if any special case we can catch and let it slide + // we do it above, when get to here, this definitely + // is-not-left-click + + return false; + } + + return true; + } + + /** + * Finds a single DOM element matching `selector` within the optional + * `context` of another DOM element (defaulting to `document`). + * + * @param {string} selector + * A valid CSS selector, which will be passed to `querySelector`. + * + * @param {Element|String} [context=document] + * A DOM element within which to query. Can also be a selector + * string in which case the first matching element will be used + * as context. If missing (or no element matches selector), falls + * back to `document`. + * + * @return {Element|null} + * The element that was found or null. + */ + var $ = createQuerier('querySelector'); + + /** + * Finds a all DOM elements matching `selector` within the optional + * `context` of another DOM element (defaulting to `document`). + * + * @param {string} selector + * A valid CSS selector, which will be passed to `querySelectorAll`. + * + * @param {Element|String} [context=document] + * A DOM element within which to query. Can also be a selector + * string in which case the first matching element will be used + * as context. If missing (or no element matches selector), falls + * back to `document`. + * + * @return {NodeList} + * A element list of elements that were found. Will be empty if none were found. + * + */ + var $$ = createQuerier('querySelectorAll'); + + var Dom = /*#__PURE__*/Object.freeze({ + isReal: isReal, + isEl: isEl, + isInFrame: isInFrame, + createEl: createEl, + textContent: textContent, + prependTo: prependTo, + hasClass: hasClass, + addClass: addClass, + removeClass: removeClass, + toggleClass: toggleClass, + setAttributes: setAttributes, + getAttributes: getAttributes, + getAttribute: getAttribute, + setAttribute: setAttribute, + removeAttribute: removeAttribute, + blockTextSelection: blockTextSelection, + unblockTextSelection: unblockTextSelection, + getBoundingClientRect: getBoundingClientRect, + findPosition: findPosition, + getPointerPosition: getPointerPosition, + isTextNode: isTextNode, + emptyEl: emptyEl, + normalizeContent: normalizeContent, + appendContent: appendContent, + insertContent: insertContent, + isSingleLeftClick: isSingleLeftClick, + $: $, + $$: $$ + }); + + /** + * @file guid.js + * @module guid + */ + + /** + * Unique ID for an element or function + * @type {Number} + */ + var _guid = 1; + + /** + * Get a unique auto-incrementing ID by number that has not been returned before. + * + * @return {number} + * A new unique ID. + */ + function newGUID() { + return _guid++; + } + + /** + * @file dom-data.js + * @module dom-data + */ + + /** + * Element Data Store. + * + * Allows for binding data to an element without putting it directly on the + * element. Ex. Event listeners are stored here. + * (also from jsninja.com, slightly modified and updated for closure compiler) + * + * @type {Object} + * @private + */ + var elData = {}; + + /* + * Unique attribute name to store an element's guid in + * + * @type {String} + * @constant + * @private + */ + var elIdAttr = 'vdata' + new Date().getTime(); + + /** + * Returns the cache object where data for an element is stored + * + * @param {Element} el + * Element to store data for. + * + * @return {Object} + * The cache object for that el that was passed in. + */ + function getData(el) { + var id = el[elIdAttr]; + + if (!id) { + id = el[elIdAttr] = newGUID(); + } + + if (!elData[id]) { + elData[id] = {}; + } + + return elData[id]; + } + + /** + * Returns whether or not an element has cached data + * + * @param {Element} el + * Check if this element has cached data. + * + * @return {boolean} + * - True if the DOM element has cached data. + * - False otherwise. + */ + function hasData(el) { + var id = el[elIdAttr]; + + if (!id) { + return false; + } + + return !!Object.getOwnPropertyNames(elData[id]).length; + } + + /** + * Delete data for the element from the cache and the guid attr from getElementById + * + * @param {Element} el + * Remove cached data for this element. + */ + function removeData(el) { + var id = el[elIdAttr]; + + if (!id) { + return; + } + + // Remove all stored data + delete elData[id]; + + // Remove the elIdAttr property from the DOM node + try { + delete el[elIdAttr]; + } catch (e) { + if (el.removeAttribute) { + el.removeAttribute(elIdAttr); + } else { + // IE doesn't appear to support removeAttribute on the document element + el[elIdAttr] = null; + } + } + } + + /** + * @file events.js. An Event System (John Resig - Secrets of a JS Ninja http://jsninja.com/) + * (Original book version wasn't completely usable, so fixed some things and made Closure Compiler compatible) + * This should work very similarly to jQuery's events, however it's based off the book version which isn't as + * robust as jquery's, so there's probably some differences. + * + * @module events + */ + + /** + * Clean up the listener cache and dispatchers + * + * @param {Element|Object} elem + * Element to clean up + * + * @param {string} type + * Type of event to clean up + */ + function _cleanUpEvents(elem, type) { + var data = getData(elem); + + // Remove the events of a particular type if there are none left + if (data.handlers[type].length === 0) { + delete data.handlers[type]; + // data.handlers[type] = null; + // Setting to null was causing an error with data.handlers + + // Remove the meta-handler from the element + if (elem.removeEventListener) { + elem.removeEventListener(type, data.dispatcher, false); + } else if (elem.detachEvent) { + elem.detachEvent('on' + type, data.dispatcher); + } + } + + // Remove the events object if there are no types left + if (Object.getOwnPropertyNames(data.handlers).length <= 0) { + delete data.handlers; + delete data.dispatcher; + delete data.disabled; + } + + // Finally remove the element data if there is no data left + if (Object.getOwnPropertyNames(data).length === 0) { + removeData(elem); + } + } + + /** + * Loops through an array of event types and calls the requested method for each type. + * + * @param {Function} fn + * The event method we want to use. + * + * @param {Element|Object} elem + * Element or object to bind listeners to + * + * @param {string} type + * Type of event to bind to. + * + * @param {EventTarget~EventListener} callback + * Event listener. + */ + function _handleMultipleEvents(fn, elem, types, callback) { + types.forEach(function (type) { + // Call the event method for each one of the types + fn(elem, type, callback); + }); + } + + /** + * Fix a native event to have standard property values + * + * @param {Object} event + * Event object to fix. + * + * @return {Object} + * Fixed event object. + */ + function fixEvent(event) { + + function returnTrue() { + return true; + } + + function returnFalse() { + return false; + } + + // Test if fixing up is needed + // Used to check if !event.stopPropagation instead of isPropagationStopped + // But native events return true for stopPropagation, but don't have + // other expected methods like isPropagationStopped. Seems to be a problem + // with the Javascript Ninja code. So we're just overriding all events now. + if (!event || !event.isPropagationStopped) { + var old = event || window_1.event; + + event = {}; + // Clone the old object so that we can modify the values event = {}; + // IE8 Doesn't like when you mess with native event properties + // Firefox returns false for event.hasOwnProperty('type') and other props + // which makes copying more difficult. + // TODO: Probably best to create a whitelist of event props + for (var key in old) { + // Safari 6.0.3 warns you if you try to copy deprecated layerX/Y + // Chrome warns you if you try to copy deprecated keyboardEvent.keyLocation + // and webkitMovementX/Y + if (key !== 'layerX' && key !== 'layerY' && key !== 'keyLocation' && key !== 'webkitMovementX' && key !== 'webkitMovementY') { + // Chrome 32+ warns if you try to copy deprecated returnValue, but + // we still want to if preventDefault isn't supported (IE8). + if (!(key === 'returnValue' && old.preventDefault)) { + event[key] = old[key]; + } + } + } + + // The event occurred on this element + if (!event.target) { + event.target = event.srcElement || document_1; + } + + // Handle which other element the event is related to + if (!event.relatedTarget) { + event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement; + } + + // Stop the default browser action + event.preventDefault = function () { + if (old.preventDefault) { + old.preventDefault(); + } + event.returnValue = false; + old.returnValue = false; + event.defaultPrevented = true; + }; + + event.defaultPrevented = false; + + // Stop the event from bubbling + event.stopPropagation = function () { + if (old.stopPropagation) { + old.stopPropagation(); + } + event.cancelBubble = true; + old.cancelBubble = true; + event.isPropagationStopped = returnTrue; + }; + + event.isPropagationStopped = returnFalse; + + // Stop the event from bubbling and executing other handlers + event.stopImmediatePropagation = function () { + if (old.stopImmediatePropagation) { + old.stopImmediatePropagation(); + } + event.isImmediatePropagationStopped = returnTrue; + event.stopPropagation(); + }; + + event.isImmediatePropagationStopped = returnFalse; + + // Handle mouse position + if (event.clientX !== null && event.clientX !== undefined) { + var doc = document_1.documentElement; + var body = document_1.body; + + event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0); + event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0); + } + + // Handle key presses + event.which = event.charCode || event.keyCode; + + // Fix button for mouse clicks: + // 0 == left; 1 == middle; 2 == right + if (event.button !== null && event.button !== undefined) { + + // The following is disabled because it does not pass videojs-standard + // and... yikes. + /* eslint-disable */ + event.button = event.button & 1 ? 0 : event.button & 4 ? 1 : event.button & 2 ? 2 : 0; + /* eslint-enable */ + } + } + + // Returns fixed-up instance + return event; + } + + /** + * Whether passive event listeners are supported + */ + var _supportsPassive = false; + + (function () { + try { + var opts = Object.defineProperty({}, 'passive', { + get: function get() { + _supportsPassive = true; + } + }); + + window_1.addEventListener('test', null, opts); + window_1.removeEventListener('test', null, opts); + } catch (e) { + // disregard + } + })(); + + /** + * Touch events Chrome expects to be passive + */ + var passiveEvents = ['touchstart', 'touchmove']; + + /** + * Add an event listener to element + * It stores the handler function in a separate cache object + * and adds a generic handler to the element's event, + * along with a unique id (guid) to the element. + * + * @param {Element|Object} elem + * Element or object to bind listeners to + * + * @param {string|string[]} type + * Type of event to bind to. + * + * @param {EventTarget~EventListener} fn + * Event listener. + */ + function on(elem, type, fn) { + if (Array.isArray(type)) { + return _handleMultipleEvents(on, elem, type, fn); + } + + var data = getData(elem); + + // We need a place to store all our handler data + if (!data.handlers) { + data.handlers = {}; + } + + if (!data.handlers[type]) { + data.handlers[type] = []; + } + + if (!fn.guid) { + fn.guid = newGUID(); + } + + data.handlers[type].push(fn); + + if (!data.dispatcher) { + data.disabled = false; + + data.dispatcher = function (event, hash) { + + if (data.disabled) { + return; + } + + event = fixEvent(event); + + var handlers = data.handlers[event.type]; + + if (handlers) { + // Copy handlers so if handlers are added/removed during the process it doesn't throw everything off. + var handlersCopy = handlers.slice(0); + + for (var m = 0, n = handlersCopy.length; m < n; m++) { + if (event.isImmediatePropagationStopped()) { + break; + } else { + try { + handlersCopy[m].call(elem, event, hash); + } catch (e) { + log$1.error(e); + } + } + } + } + }; + } + + if (data.handlers[type].length === 1) { + if (elem.addEventListener) { + var options = false; + + if (_supportsPassive && passiveEvents.indexOf(type) > -1) { + options = { passive: true }; + } + elem.addEventListener(type, data.dispatcher, options); + } else if (elem.attachEvent) { + elem.attachEvent('on' + type, data.dispatcher); + } + } + } + + /** + * Removes event listeners from an element + * + * @param {Element|Object} elem + * Object to remove listeners from. + * + * @param {string|string[]} [type] + * Type of listener to remove. Don't include to remove all events from element. + * + * @param {EventTarget~EventListener} [fn] + * Specific listener to remove. Don't include to remove listeners for an event + * type. + */ + function off(elem, type, fn) { + // Don't want to add a cache object through getElData if not needed + if (!hasData(elem)) { + return; + } + + var data = getData(elem); + + // If no events exist, nothing to unbind + if (!data.handlers) { + return; + } + + if (Array.isArray(type)) { + return _handleMultipleEvents(off, elem, type, fn); + } + + // Utility function + var removeType = function removeType(el, t) { + data.handlers[t] = []; + _cleanUpEvents(el, t); + }; + + // Are we removing all bound events? + if (type === undefined) { + for (var t in data.handlers) { + if (Object.prototype.hasOwnProperty.call(data.handlers || {}, t)) { + removeType(elem, t); + } + } + return; + } + + var handlers = data.handlers[type]; + + // If no handlers exist, nothing to unbind + if (!handlers) { + return; + } + + // If no listener was provided, remove all listeners for type + if (!fn) { + removeType(elem, type); + return; + } + + // We're only removing a single handler + if (fn.guid) { + for (var n = 0; n < handlers.length; n++) { + if (handlers[n].guid === fn.guid) { + handlers.splice(n--, 1); + } + } + } + + _cleanUpEvents(elem, type); + } + + /** + * Trigger an event for an element + * + * @param {Element|Object} elem + * Element to trigger an event on + * + * @param {EventTarget~Event|string} event + * A string (the type) or an event object with a type attribute + * + * @param {Object} [hash] + * data hash to pass along with the event + * + * @return {boolean|undefined} + * - Returns the opposite of `defaultPrevented` if default was prevented + * - Otherwise returns undefined + */ + function trigger(elem, event, hash) { + // Fetches element data and a reference to the parent (for bubbling). + // Don't want to add a data object to cache for every parent, + // so checking hasElData first. + var elemData = hasData(elem) ? getData(elem) : {}; + var parent = elem.parentNode || elem.ownerDocument; + // type = event.type || event, + // handler; + + // If an event name was passed as a string, creates an event out of it + if (typeof event === 'string') { + event = { type: event, target: elem }; + } else if (!event.target) { + event.target = elem; + } + + // Normalizes the event properties. + event = fixEvent(event); + + // If the passed element has a dispatcher, executes the established handlers. + if (elemData.dispatcher) { + elemData.dispatcher.call(elem, event, hash); + } + + // Unless explicitly stopped or the event does not bubble (e.g. media events) + // recursively calls this function to bubble the event up the DOM. + if (parent && !event.isPropagationStopped() && event.bubbles === true) { + trigger.call(null, parent, event, hash); + + // If at the top of the DOM, triggers the default action unless disabled. + } else if (!parent && !event.defaultPrevented) { + var targetData = getData(event.target); + + // Checks if the target has a default action for this event. + if (event.target[event.type]) { + // Temporarily disables event dispatching on the target as we have already executed the handler. + targetData.disabled = true; + // Executes the default action. + if (typeof event.target[event.type] === 'function') { + event.target[event.type](); + } + // Re-enables event dispatching. + targetData.disabled = false; + } + } + + // Inform the triggerer if the default was prevented by returning false + return !event.defaultPrevented; + } + + /** + * Trigger a listener only once for an event + * + * @param {Element|Object} elem + * Element or object to bind to. + * + * @param {string|string[]} type + * Name/type of event + * + * @param {Event~EventListener} fn + * Event Listener function + */ + function one(elem, type, fn) { + if (Array.isArray(type)) { + return _handleMultipleEvents(one, elem, type, fn); + } + var func = function func() { + off(elem, type, func); + fn.apply(this, arguments); + }; + + // copy the guid to the new function so it can removed using the original function's ID + func.guid = fn.guid = fn.guid || newGUID(); + on(elem, type, func); + } + + var Events = /*#__PURE__*/Object.freeze({ + fixEvent: fixEvent, + on: on, + off: off, + trigger: trigger, + one: one + }); + + /** + * @file setup.js - Functions for setting up a player without + * user interaction based on the data-setup `attribute` of the video tag. + * + * @module setup + */ + + var _windowLoaded = false; + var videojs = void 0; + + /** + * Set up any tags that have a data-setup `attribute` when the player is started. + */ + var autoSetup = function autoSetup() { + + // Protect against breakage in non-browser environments and check global autoSetup option. + if (!isReal() || videojs.options.autoSetup === false) { + return; + } + + var vids = Array.prototype.slice.call(document_1.getElementsByTagName('video')); + var audios = Array.prototype.slice.call(document_1.getElementsByTagName('audio')); + var divs = Array.prototype.slice.call(document_1.getElementsByTagName('video-js')); + var mediaEls = vids.concat(audios, divs); + + // Check if any media elements exist + if (mediaEls && mediaEls.length > 0) { + + for (var i = 0, e = mediaEls.length; i < e; i++) { + var mediaEl = mediaEls[i]; + + // Check if element exists, has getAttribute func. + if (mediaEl && mediaEl.getAttribute) { + + // Make sure this player hasn't already been set up. + if (mediaEl.player === undefined) { + var options = mediaEl.getAttribute('data-setup'); + + // Check if data-setup attr exists. + // We only auto-setup if they've added the data-setup attr. + if (options !== null) { + // Create new video.js instance. + videojs(mediaEl); + } + } + + // If getAttribute isn't defined, we need to wait for the DOM. + } else { + autoSetupTimeout(1); + break; + } + } + + // No videos were found, so keep looping unless page is finished loading. + } else if (!_windowLoaded) { + autoSetupTimeout(1); + } + }; + + /** + * Wait until the page is loaded before running autoSetup. This will be called in + * autoSetup if `hasLoaded` returns false. + * + * @param {number} wait + * How long to wait in ms + * + * @param {module:videojs} [vjs] + * The videojs library function + */ + function autoSetupTimeout(wait, vjs) { + if (vjs) { + videojs = vjs; + } + + window_1.setTimeout(autoSetup, wait); + } + + if (isReal() && document_1.readyState === 'complete') { + _windowLoaded = true; + } else { + /** + * Listen for the load event on window, and set _windowLoaded to true. + * + * @listens load + */ + one(window_1, 'load', function () { + _windowLoaded = true; + }); + } + + /** + * @file stylesheet.js + * @module stylesheet + */ + + /** + * Create a DOM syle element given a className for it. + * + * @param {string} className + * The className to add to the created style element. + * + * @return {Element} + * The element that was created. + */ + var createStyleElement = function createStyleElement(className) { + var style = document_1.createElement('style'); + + style.className = className; + + return style; + }; + + /** + * Add text to a DOM element. + * + * @param {Element} el + * The Element to add text content to. + * + * @param {string} content + * The text to add to the element. + */ + var setTextContent = function setTextContent(el, content) { + if (el.styleSheet) { + el.styleSheet.cssText = content; + } else { + el.textContent = content; + } + }; + + /** + * @file fn.js + * @module fn + */ + + /** + * Bind (a.k.a proxy or Context). A simple method for changing the context of a function + * It also stores a unique id on the function so it can be easily removed from events. + * + * @param {Mixed} context + * The object to bind as scope. + * + * @param {Function} fn + * The function to be bound to a scope. + * + * @param {number} [uid] + * An optional unique ID for the function to be set + * + * @return {Function} + * The new function that will be bound into the context given + */ + var bind = function bind(context, fn, uid) { + // Make sure the function has a unique ID + if (!fn.guid) { + fn.guid = newGUID(); + } + + // Create the new function that changes the context + var bound = function bound() { + return fn.apply(context, arguments); + }; + + // Allow for the ability to individualize this function + // Needed in the case where multiple objects might share the same prototype + // IF both items add an event listener with the same function, then you try to remove just one + // it will remove both because they both have the same guid. + // when using this, you need to use the bind method when you remove the listener as well. + // currently used in text tracks + bound.guid = uid ? uid + '_' + fn.guid : fn.guid; + + return bound; + }; + + /** + * Wraps the given function, `fn`, with a new function that only invokes `fn` + * at most once per every `wait` milliseconds. + * + * @param {Function} fn + * The function to be throttled. + * + * @param {Number} wait + * The number of milliseconds by which to throttle. + * + * @return {Function} + */ + var throttle = function throttle(fn, wait) { + var last = Date.now(); + + var throttled = function throttled() { + var now = Date.now(); + + if (now - last >= wait) { + fn.apply(undefined, arguments); + last = now; + } + }; + + return throttled; + }; + + /** + * Creates a debounced function that delays invoking `func` until after `wait` + * milliseconds have elapsed since the last time the debounced function was + * invoked. + * + * Inspired by lodash and underscore implementations. + * + * @param {Function} func + * The function to wrap with debounce behavior. + * + * @param {number} wait + * The number of milliseconds to wait after the last invocation. + * + * @param {boolean} [immediate] + * Whether or not to invoke the function immediately upon creation. + * + * @param {Object} [context=window] + * The "context" in which the debounced function should debounce. For + * example, if this function should be tied to a Video.js player, + * the player can be passed here. Alternatively, defaults to the + * global `window` object. + * + * @return {Function} + * A debounced function. + */ + var debounce = function debounce(func, wait, immediate) { + var context = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : window_1; + + var timeout = void 0; + + var cancel = function cancel() { + context.clearTimeout(timeout); + timeout = null; + }; + + /* eslint-disable consistent-this */ + var debounced = function debounced() { + var self = this; + var args = arguments; + + var _later = function later() { + timeout = null; + _later = null; + if (!immediate) { + func.apply(self, args); + } + }; + + if (!timeout && immediate) { + func.apply(self, args); + } + + context.clearTimeout(timeout); + timeout = context.setTimeout(_later, wait); + }; + /* eslint-enable consistent-this */ + + debounced.cancel = cancel; + + return debounced; + }; + + /** + * @file src/js/event-target.js + */ + + /** + * `EventTarget` is a class that can have the same API as the DOM `EventTarget`. It + * adds shorthand functions that wrap around lengthy functions. For example: + * the `on` function is a wrapper around `addEventListener`. + * + * @see [EventTarget Spec]{@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget} + * @class EventTarget + */ + var EventTarget = function EventTarget() {}; + + /** + * A Custom DOM event. + * + * @typedef {Object} EventTarget~Event + * @see [Properties]{@link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent} + */ + + /** + * All event listeners should follow the following format. + * + * @callback EventTarget~EventListener + * @this {EventTarget} + * + * @param {EventTarget~Event} event + * the event that triggered this function + * + * @param {Object} [hash] + * hash of data sent during the event + */ + + /** + * An object containing event names as keys and booleans as values. + * + * > NOTE: If an event name is set to a true value here {@link EventTarget#trigger} + * will have extra functionality. See that function for more information. + * + * @property EventTarget.prototype.allowedEvents_ + * @private + */ + EventTarget.prototype.allowedEvents_ = {}; + + /** + * Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a + * function that will get called when an event with a certain name gets triggered. + * + * @param {string|string[]} type + * An event name or an array of event names. + * + * @param {EventTarget~EventListener} fn + * The function to call with `EventTarget`s + */ + EventTarget.prototype.on = function (type, fn) { + // Remove the addEventListener alias before calling Events.on + // so we don't get into an infinite type loop + var ael = this.addEventListener; + + this.addEventListener = function () {}; + on(this, type, fn); + this.addEventListener = ael; + }; + + /** + * An alias of {@link EventTarget#on}. Allows `EventTarget` to mimic + * the standard DOM API. + * + * @function + * @see {@link EventTarget#on} + */ + EventTarget.prototype.addEventListener = EventTarget.prototype.on; + + /** + * Removes an `event listener` for a specific event from an instance of `EventTarget`. + * This makes it so that the `event listener` will no longer get called when the + * named event happens. + * + * @param {string|string[]} type + * An event name or an array of event names. + * + * @param {EventTarget~EventListener} fn + * The function to remove. + */ + EventTarget.prototype.off = function (type, fn) { + off(this, type, fn); + }; + + /** + * An alias of {@link EventTarget#off}. Allows `EventTarget` to mimic + * the standard DOM API. + * + * @function + * @see {@link EventTarget#off} + */ + EventTarget.prototype.removeEventListener = EventTarget.prototype.off; + + /** + * This function will add an `event listener` that gets triggered only once. After the + * first trigger it will get removed. This is like adding an `event listener` + * with {@link EventTarget#on} that calls {@link EventTarget#off} on itself. + * + * @param {string|string[]} type + * An event name or an array of event names. + * + * @param {EventTarget~EventListener} fn + * The function to be called once for each event name. + */ + EventTarget.prototype.one = function (type, fn) { + // Remove the addEventListener alialing Events.on + // so we don't get into an infinite type loop + var ael = this.addEventListener; + + this.addEventListener = function () {}; + one(this, type, fn); + this.addEventListener = ael; + }; + + /** + * This function causes an event to happen. This will then cause any `event listeners` + * that are waiting for that event, to get called. If there are no `event listeners` + * for an event then nothing will happen. + * + * If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`. + * Trigger will also call the `on` + `uppercaseEventName` function. + * + * Example: + * 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call + * `onClick` if it exists. + * + * @param {string|EventTarget~Event|Object} event + * The name of the event, an `Event`, or an object with a key of type set to + * an event name. + */ + EventTarget.prototype.trigger = function (event) { + var type = event.type || event; + + if (typeof event === 'string') { + event = { type: type }; + } + event = fixEvent(event); + + if (this.allowedEvents_[type] && this['on' + type]) { + this['on' + type](event); + } + + trigger(this, event); + }; + + /** + * An alias of {@link EventTarget#trigger}. Allows `EventTarget` to mimic + * the standard DOM API. + * + * @function + * @see {@link EventTarget#trigger} + */ + EventTarget.prototype.dispatchEvent = EventTarget.prototype.trigger; + + var EVENT_MAP = void 0; + + EventTarget.prototype.queueTrigger = function (event) { + var _this = this; + + // only set up EVENT_MAP if it'll be used + if (!EVENT_MAP) { + EVENT_MAP = new Map(); + } + + var type = event.type || event; + var map = EVENT_MAP.get(this); + + if (!map) { + map = new Map(); + EVENT_MAP.set(this, map); + } + + var oldTimeout = map.get(type); + + map.delete(type); + window_1.clearTimeout(oldTimeout); + + var timeout = window_1.setTimeout(function () { + // if we cleared out all timeouts for the current target, delete its map + if (map.size === 0) { + map = null; + EVENT_MAP.delete(_this); + } + + _this.trigger(event); + }, 0); + + map.set(type, timeout); + }; + + /** + * @file mixins/evented.js + * @module evented + */ + + /** + * Returns whether or not an object has had the evented mixin applied. + * + * @param {Object} object + * An object to test. + * + * @return {boolean} + * Whether or not the object appears to be evented. + */ + var isEvented = function isEvented(object) { + return object instanceof EventTarget || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(function (k) { + return typeof object[k] === 'function'; + }); + }; + + /** + * Whether a value is a valid event type - non-empty string or array. + * + * @private + * @param {string|Array} type + * The type value to test. + * + * @return {boolean} + * Whether or not the type is a valid event type. + */ + var isValidEventType = function isValidEventType(type) { + return ( + // The regex here verifies that the `type` contains at least one non- + // whitespace character. + typeof type === 'string' && /\S/.test(type) || Array.isArray(type) && !!type.length + ); + }; + + /** + * Validates a value to determine if it is a valid event target. Throws if not. + * + * @private + * @throws {Error} + * If the target does not appear to be a valid event target. + * + * @param {Object} target + * The object to test. + */ + var validateTarget = function validateTarget(target) { + if (!target.nodeName && !isEvented(target)) { + throw new Error('Invalid target; must be a DOM node or evented object.'); + } + }; + + /** + * Validates a value to determine if it is a valid event target. Throws if not. + * + * @private + * @throws {Error} + * If the type does not appear to be a valid event type. + * + * @param {string|Array} type + * The type to test. + */ + var validateEventType = function validateEventType(type) { + if (!isValidEventType(type)) { + throw new Error('Invalid event type; must be a non-empty string or array.'); + } + }; + + /** + * Validates a value to determine if it is a valid listener. Throws if not. + * + * @private + * @throws {Error} + * If the listener is not a function. + * + * @param {Function} listener + * The listener to test. + */ + var validateListener = function validateListener(listener) { + if (typeof listener !== 'function') { + throw new Error('Invalid listener; must be a function.'); + } + }; + + /** + * Takes an array of arguments given to `on()` or `one()`, validates them, and + * normalizes them into an object. + * + * @private + * @param {Object} self + * The evented object on which `on()` or `one()` was called. This + * object will be bound as the `this` value for the listener. + * + * @param {Array} args + * An array of arguments passed to `on()` or `one()`. + * + * @return {Object} + * An object containing useful values for `on()` or `one()` calls. + */ + var normalizeListenArgs = function normalizeListenArgs(self, args) { + + // If the number of arguments is less than 3, the target is always the + // evented object itself. + var isTargetingSelf = args.length < 3 || args[0] === self || args[0] === self.eventBusEl_; + var target = void 0; + var type = void 0; + var listener = void 0; + + if (isTargetingSelf) { + target = self.eventBusEl_; + + // Deal with cases where we got 3 arguments, but we are still listening to + // the evented object itself. + if (args.length >= 3) { + args.shift(); + } + + type = args[0]; + listener = args[1]; + } else { + target = args[0]; + type = args[1]; + listener = args[2]; + } + + validateTarget(target); + validateEventType(type); + validateListener(listener); + + listener = bind(self, listener); + + return { isTargetingSelf: isTargetingSelf, target: target, type: type, listener: listener }; + }; + + /** + * Adds the listener to the event type(s) on the target, normalizing for + * the type of target. + * + * @private + * @param {Element|Object} target + * A DOM node or evented object. + * + * @param {string} method + * The event binding method to use ("on" or "one"). + * + * @param {string|Array} type + * One or more event type(s). + * + * @param {Function} listener + * A listener function. + */ + var listen = function listen(target, method, type, listener) { + validateTarget(target); + + if (target.nodeName) { + Events[method](target, type, listener); + } else { + target[method](type, listener); + } + }; + + /** + * Contains methods that provide event capabilities to an object which is passed + * to {@link module:evented|evented}. + * + * @mixin EventedMixin + */ + var EventedMixin = { + + /** + * Add a listener to an event (or events) on this object or another evented + * object. + * + * @param {string|Array|Element|Object} targetOrType + * If this is a string or array, it represents the event type(s) + * that will trigger the listener. + * + * Another evented object can be passed here instead, which will + * cause the listener to listen for events on _that_ object. + * + * In either case, the listener's `this` value will be bound to + * this object. + * + * @param {string|Array|Function} typeOrListener + * If the first argument was a string or array, this should be the + * listener function. Otherwise, this is a string or array of event + * type(s). + * + * @param {Function} [listener] + * If the first argument was another evented object, this will be + * the listener function. + */ + on: function on$$1() { + var _this = this; + + for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) { + args[_key] = arguments[_key]; + } + + var _normalizeListenArgs = normalizeListenArgs(this, args), + isTargetingSelf = _normalizeListenArgs.isTargetingSelf, + target = _normalizeListenArgs.target, + type = _normalizeListenArgs.type, + listener = _normalizeListenArgs.listener; + + listen(target, 'on', type, listener); + + // If this object is listening to another evented object. + if (!isTargetingSelf) { + + // If this object is disposed, remove the listener. + var removeListenerOnDispose = function removeListenerOnDispose() { + return _this.off(target, type, listener); + }; + + // Use the same function ID as the listener so we can remove it later it + // using the ID of the original listener. + removeListenerOnDispose.guid = listener.guid; + + // Add a listener to the target's dispose event as well. This ensures + // that if the target is disposed BEFORE this object, we remove the + // removal listener that was just added. Otherwise, we create a memory leak. + var removeRemoverOnTargetDispose = function removeRemoverOnTargetDispose() { + return _this.off('dispose', removeListenerOnDispose); + }; + + // Use the same function ID as the listener so we can remove it later + // it using the ID of the original listener. + removeRemoverOnTargetDispose.guid = listener.guid; + + listen(this, 'on', 'dispose', removeListenerOnDispose); + listen(target, 'on', 'dispose', removeRemoverOnTargetDispose); + } + }, + + + /** + * Add a listener to an event (or events) on this object or another evented + * object. The listener will only be called once and then removed. + * + * @param {string|Array|Element|Object} targetOrType + * If this is a string or array, it represents the event type(s) + * that will trigger the listener. + * + * Another evented object can be passed here instead, which will + * cause the listener to listen for events on _that_ object. + * + * In either case, the listener's `this` value will be bound to + * this object. + * + * @param {string|Array|Function} typeOrListener + * If the first argument was a string or array, this should be the + * listener function. Otherwise, this is a string or array of event + * type(s). + * + * @param {Function} [listener] + * If the first argument was another evented object, this will be + * the listener function. + */ + one: function one$$1() { + var _this2 = this; + + for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { + args[_key2] = arguments[_key2]; + } + + var _normalizeListenArgs2 = normalizeListenArgs(this, args), + isTargetingSelf = _normalizeListenArgs2.isTargetingSelf, + target = _normalizeListenArgs2.target, + type = _normalizeListenArgs2.type, + listener = _normalizeListenArgs2.listener; + + // Targeting this evented object. + + + if (isTargetingSelf) { + listen(target, 'one', type, listener); + + // Targeting another evented object. + } else { + var wrapper = function wrapper() { + for (var _len3 = arguments.length, largs = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) { + largs[_key3] = arguments[_key3]; + } + + _this2.off(target, type, wrapper); + listener.apply(null, largs); + }; + + // Use the same function ID as the listener so we can remove it later + // it using the ID of the original listener. + wrapper.guid = listener.guid; + listen(target, 'one', type, wrapper); + } + }, + + + /** + * Removes listener(s) from event(s) on an evented object. + * + * @param {string|Array|Element|Object} [targetOrType] + * If this is a string or array, it represents the event type(s). + * + * Another evented object can be passed here instead, in which case + * ALL 3 arguments are _required_. + * + * @param {string|Array|Function} [typeOrListener] + * If the first argument was a string or array, this may be the + * listener function. Otherwise, this is a string or array of event + * type(s). + * + * @param {Function} [listener] + * If the first argument was another evented object, this will be + * the listener function; otherwise, _all_ listeners bound to the + * event type(s) will be removed. + */ + off: function off$$1(targetOrType, typeOrListener, listener) { + + // Targeting this evented object. + if (!targetOrType || isValidEventType(targetOrType)) { + off(this.eventBusEl_, targetOrType, typeOrListener); + + // Targeting another evented object. + } else { + var target = targetOrType; + var type = typeOrListener; + + // Fail fast and in a meaningful way! + validateTarget(target); + validateEventType(type); + validateListener(listener); + + // Ensure there's at least a guid, even if the function hasn't been used + listener = bind(this, listener); + + // Remove the dispose listener on this evented object, which was given + // the same guid as the event listener in on(). + this.off('dispose', listener); + + if (target.nodeName) { + off(target, type, listener); + off(target, 'dispose', listener); + } else if (isEvented(target)) { + target.off(type, listener); + target.off('dispose', listener); + } + } + }, + + + /** + * Fire an event on this evented object, causing its listeners to be called. + * + * @param {string|Object} event + * An event type or an object with a type property. + * + * @param {Object} [hash] + * An additional object to pass along to listeners. + * + * @returns {boolean} + * Whether or not the default behavior was prevented. + */ + trigger: function trigger$$1(event, hash) { + return trigger(this.eventBusEl_, event, hash); + } + }; + + /** + * Applies {@link module:evented~EventedMixin|EventedMixin} to a target object. + * + * @param {Object} target + * The object to which to add event methods. + * + * @param {Object} [options={}] + * Options for customizing the mixin behavior. + * + * @param {String} [options.eventBusKey] + * By default, adds a `eventBusEl_` DOM element to the target object, + * which is used as an event bus. If the target object already has a + * DOM element that should be used, pass its key here. + * + * @return {Object} + * The target object. + */ + function evented(target) { + var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + var eventBusKey = options.eventBusKey; + + // Set or create the eventBusEl_. + + if (eventBusKey) { + if (!target[eventBusKey].nodeName) { + throw new Error('The eventBusKey "' + eventBusKey + '" does not refer to an element.'); + } + target.eventBusEl_ = target[eventBusKey]; + } else { + target.eventBusEl_ = createEl('span', { className: 'vjs-event-bus' }); + } + + assign(target, EventedMixin); + + // When any evented object is disposed, it removes all its listeners. + target.on('dispose', function () { + target.off(); + window_1.setTimeout(function () { + target.eventBusEl_ = null; + }, 0); + }); + + return target; + } + + /** + * @file mixins/stateful.js + * @module stateful + */ + + /** + * Contains methods that provide statefulness to an object which is passed + * to {@link module:stateful}. + * + * @mixin StatefulMixin + */ + var StatefulMixin = { + + /** + * A hash containing arbitrary keys and values representing the state of + * the object. + * + * @type {Object} + */ + state: {}, + + /** + * Set the state of an object by mutating its + * {@link module:stateful~StatefulMixin.state|state} object in place. + * + * @fires module:stateful~StatefulMixin#statechanged + * @param {Object|Function} stateUpdates + * A new set of properties to shallow-merge into the plugin state. + * Can be a plain object or a function returning a plain object. + * + * @returns {Object|undefined} + * An object containing changes that occurred. If no changes + * occurred, returns `undefined`. + */ + setState: function setState(stateUpdates) { + var _this = this; + + // Support providing the `stateUpdates` state as a function. + if (typeof stateUpdates === 'function') { + stateUpdates = stateUpdates(); + } + + var changes = void 0; + + each(stateUpdates, function (value, key) { + + // Record the change if the value is different from what's in the + // current state. + if (_this.state[key] !== value) { + changes = changes || {}; + changes[key] = { + from: _this.state[key], + to: value + }; + } + + _this.state[key] = value; + }); + + // Only trigger "statechange" if there were changes AND we have a trigger + // function. This allows us to not require that the target object be an + // evented object. + if (changes && isEvented(this)) { + + /** + * An event triggered on an object that is both + * {@link module:stateful|stateful} and {@link module:evented|evented} + * indicating that its state has changed. + * + * @event module:stateful~StatefulMixin#statechanged + * @type {Object} + * @property {Object} changes + * A hash containing the properties that were changed and + * the values they were changed `from` and `to`. + */ + this.trigger({ + changes: changes, + type: 'statechanged' + }); + } + + return changes; + } + }; + + /** + * Applies {@link module:stateful~StatefulMixin|StatefulMixin} to a target + * object. + * + * If the target object is {@link module:evented|evented} and has a + * `handleStateChanged` method, that method will be automatically bound to the + * `statechanged` event on itself. + * + * @param {Object} target + * The object to be made stateful. + * + * @param {Object} [defaultState] + * A default set of properties to populate the newly-stateful object's + * `state` property. + * + * @returns {Object} + * Returns the `target`. + */ + function stateful(target, defaultState) { + assign(target, StatefulMixin); + + // This happens after the mixing-in because we need to replace the `state` + // added in that step. + target.state = assign({}, target.state, defaultState); + + // Auto-bind the `handleStateChanged` method of the target object if it exists. + if (typeof target.handleStateChanged === 'function' && isEvented(target)) { + target.on('statechanged', target.handleStateChanged); + } + + return target; + } + + /** + * @file to-title-case.js + * @module to-title-case + */ + + /** + * Uppercase the first letter of a string. + * + * @param {string} string + * String to be uppercased + * + * @return {string} + * The string with an uppercased first letter + */ + function toTitleCase(string) { + if (typeof string !== 'string') { + return string; + } + + return string.charAt(0).toUpperCase() + string.slice(1); + } + + /** + * Compares the TitleCase versions of the two strings for equality. + * + * @param {string} str1 + * The first string to compare + * + * @param {string} str2 + * The second string to compare + * + * @return {boolean} + * Whether the TitleCase versions of the strings are equal + */ + function titleCaseEquals(str1, str2) { + return toTitleCase(str1) === toTitleCase(str2); + } + + /** + * @file merge-options.js + * @module merge-options + */ + + /** + * Deep-merge one or more options objects, recursively merging **only** plain + * object properties. + * + * @param {Object[]} sources + * One or more objects to merge into a new object. + * + * @returns {Object} + * A new object that is the merged result of all sources. + */ + function mergeOptions() { + var result = {}; + + for (var _len = arguments.length, sources = Array(_len), _key = 0; _key < _len; _key++) { + sources[_key] = arguments[_key]; + } + + sources.forEach(function (source) { + if (!source) { + return; + } + + each(source, function (value, key) { + if (!isPlain(value)) { + result[key] = value; + return; + } + + if (!isPlain(result[key])) { + result[key] = {}; + } + + result[key] = mergeOptions(result[key], value); + }); + }); + + return result; + } + + /** + * Player Component - Base class for all UI objects + * + * @file component.js + */ + + /** + * Base class for all UI Components. + * Components are UI objects which represent both a javascript object and an element + * in the DOM. They can be children of other components, and can have + * children themselves. + * + * Components can also use methods from {@link EventTarget} + */ + + var Component = function () { + + /** + * A callback that is called when a component is ready. Does not have any + * paramters and any callback value will be ignored. + * + * @callback Component~ReadyCallback + * @this Component + */ + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + * + * @param {Object[]} [options.children] + * An array of children objects to intialize this component with. Children objects have + * a name property that will be used if more than one component of the same type needs to be + * added. + * + * @param {Component~ReadyCallback} [ready] + * Function that gets called when the `Component` is ready. + */ + function Component(player, options, ready) { + classCallCheck(this, Component); + + + // The component might be the player itself and we can't pass `this` to super + if (!player && this.play) { + this.player_ = player = this; // eslint-disable-line + } else { + this.player_ = player; + } + + // Make a copy of prototype.options_ to protect against overriding defaults + this.options_ = mergeOptions({}, this.options_); + + // Updated options with supplied options + options = this.options_ = mergeOptions(this.options_, options); + + // Get ID from options or options element if one is supplied + this.id_ = options.id || options.el && options.el.id; + + // If there was no ID from the options, generate one + if (!this.id_) { + // Don't require the player ID function in the case of mock players + var id = player && player.id && player.id() || 'no_player'; + + this.id_ = id + '_component_' + newGUID(); + } + + this.name_ = options.name || null; + + // Create element if one wasn't provided in options + if (options.el) { + this.el_ = options.el; + } else if (options.createEl !== false) { + this.el_ = this.createEl(); + } + + // if evented is anything except false, we want to mixin in evented + if (options.evented !== false) { + // Make this an evented object and use `el_`, if available, as its event bus + evented(this, { eventBusKey: this.el_ ? 'el_' : null }); + } + stateful(this, this.constructor.defaultState); + + this.children_ = []; + this.childIndex_ = {}; + this.childNameIndex_ = {}; + + // Add any child components in options + if (options.initChildren !== false) { + this.initChildren(); + } + + this.ready(ready); + // Don't want to trigger ready here or it will before init is actually + // finished for all children that run this constructor + + if (options.reportTouchActivity !== false) { + this.enableTouchActivity(); + } + } + + /** + * Dispose of the `Component` and all child components. + * + * @fires Component#dispose + */ + + + Component.prototype.dispose = function dispose() { + + /** + * Triggered when a `Component` is disposed. + * + * @event Component#dispose + * @type {EventTarget~Event} + * + * @property {boolean} [bubbles=false] + * set to false so that the close event does not + * bubble up + */ + this.trigger({ type: 'dispose', bubbles: false }); + + // Dispose all children. + if (this.children_) { + for (var i = this.children_.length - 1; i >= 0; i--) { + if (this.children_[i].dispose) { + this.children_[i].dispose(); + } + } + } + + // Delete child references + this.children_ = null; + this.childIndex_ = null; + this.childNameIndex_ = null; + + if (this.el_) { + // Remove element from DOM + if (this.el_.parentNode) { + this.el_.parentNode.removeChild(this.el_); + } + + removeData(this.el_); + this.el_ = null; + } + + // remove reference to the player after disposing of the element + this.player_ = null; + }; + + /** + * Return the {@link Player} that the `Component` has attached to. + * + * @return {Player} + * The player that this `Component` has attached to. + */ + + + Component.prototype.player = function player() { + return this.player_; + }; + + /** + * Deep merge of options objects with new options. + * > Note: When both `obj` and `options` contain properties whose values are objects. + * The two properties get merged using {@link module:mergeOptions} + * + * @param {Object} obj + * The object that contains new options. + * + * @return {Object} + * A new object of `this.options_` and `obj` merged together. + * + * @deprecated since version 5 + */ + + + Component.prototype.options = function options(obj) { + log$1.warn('this.options() has been deprecated and will be moved to the constructor in 6.0'); + + if (!obj) { + return this.options_; + } + + this.options_ = mergeOptions(this.options_, obj); + return this.options_; + }; + + /** + * Get the `Component`s DOM element + * + * @return {Element} + * The DOM element for this `Component`. + */ + + + Component.prototype.el = function el() { + return this.el_; + }; + + /** + * Create the `Component`s DOM element. + * + * @param {string} [tagName] + * Element's DOM node type. e.g. 'div' + * + * @param {Object} [properties] + * An object of properties that should be set. + * + * @param {Object} [attributes] + * An object of attributes that should be set. + * + * @return {Element} + * The element that gets created. + */ + + + Component.prototype.createEl = function createEl$$1(tagName, properties, attributes) { + return createEl(tagName, properties, attributes); + }; + + /** + * Localize a string given the string in english. + * + * If tokens are provided, it'll try and run a simple token replacement on the provided string. + * The tokens it looks for look like `{1}` with the index being 1-indexed into the tokens array. + * + * If a `defaultValue` is provided, it'll use that over `string`, + * if a value isn't found in provided language files. + * This is useful if you want to have a descriptive key for token replacement + * but have a succinct localized string and not require `en.json` to be included. + * + * Currently, it is used for the progress bar timing. + * ```js + * { + * "progress bar timing: currentTime={1} duration={2}": "{1} of {2}" + * } + * ``` + * It is then used like so: + * ```js + * this.localize('progress bar timing: currentTime={1} duration{2}', + * [this.player_.currentTime(), this.player_.duration()], + * '{1} of {2}'); + * ``` + * + * Which outputs something like: `01:23 of 24:56`. + * + * + * @param {string} string + * The string to localize and the key to lookup in the language files. + * @param {string[]} [tokens] + * If the current item has token replacements, provide the tokens here. + * @param {string} [defaultValue] + * Defaults to `string`. Can be a default value to use for token replacement + * if the lookup key is needed to be separate. + * + * @return {string} + * The localized string or if no localization exists the english string. + */ + + + Component.prototype.localize = function localize(string, tokens) { + var defaultValue = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : string; + + var code = this.player_.language && this.player_.language(); + var languages = this.player_.languages && this.player_.languages(); + var language = languages && languages[code]; + var primaryCode = code && code.split('-')[0]; + var primaryLang = languages && languages[primaryCode]; + + var localizedString = defaultValue; + + if (language && language[string]) { + localizedString = language[string]; + } else if (primaryLang && primaryLang[string]) { + localizedString = primaryLang[string]; + } + + if (tokens) { + localizedString = localizedString.replace(/\{(\d+)\}/g, function (match, index) { + var value = tokens[index - 1]; + var ret = value; + + if (typeof value === 'undefined') { + ret = match; + } + + return ret; + }); + } + + return localizedString; + }; + + /** + * Return the `Component`s DOM element. This is where children get inserted. + * This will usually be the the same as the element returned in {@link Component#el}. + * + * @return {Element} + * The content element for this `Component`. + */ + + + Component.prototype.contentEl = function contentEl() { + return this.contentEl_ || this.el_; + }; + + /** + * Get this `Component`s ID + * + * @return {string} + * The id of this `Component` + */ + + + Component.prototype.id = function id() { + return this.id_; + }; + + /** + * Get the `Component`s name. The name gets used to reference the `Component` + * and is set during registration. + * + * @return {string} + * The name of this `Component`. + */ + + + Component.prototype.name = function name() { + return this.name_; + }; + + /** + * Get an array of all child components + * + * @return {Array} + * The children + */ + + + Component.prototype.children = function children() { + return this.children_; + }; + + /** + * Returns the child `Component` with the given `id`. + * + * @param {string} id + * The id of the child `Component` to get. + * + * @return {Component|undefined} + * The child `Component` with the given `id` or undefined. + */ + + + Component.prototype.getChildById = function getChildById(id) { + return this.childIndex_[id]; + }; + + /** + * Returns the child `Component` with the given `name`. + * + * @param {string} name + * The name of the child `Component` to get. + * + * @return {Component|undefined} + * The child `Component` with the given `name` or undefined. + */ + + + Component.prototype.getChild = function getChild(name) { + if (!name) { + return; + } + + name = toTitleCase(name); + + return this.childNameIndex_[name]; + }; + + /** + * Add a child `Component` inside the current `Component`. + * + * + * @param {string|Component} child + * The name or instance of a child to add. + * + * @param {Object} [options={}] + * The key/value store of options that will get passed to children of + * the child. + * + * @param {number} [index=this.children_.length] + * The index to attempt to add a child into. + * + * @return {Component} + * The `Component` that gets added as a child. When using a string the + * `Component` will get created by this process. + */ + + + Component.prototype.addChild = function addChild(child) { + var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + var index = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : this.children_.length; + + var component = void 0; + var componentName = void 0; + + // If child is a string, create component with options + if (typeof child === 'string') { + componentName = toTitleCase(child); + + var componentClassName = options.componentClass || componentName; + + // Set name through options + options.name = componentName; + + // Create a new object & element for this controls set + // If there's no .player_, this is a player + var ComponentClass = Component.getComponent(componentClassName); + + if (!ComponentClass) { + throw new Error('Component ' + componentClassName + ' does not exist'); + } + + // data stored directly on the videojs object may be + // misidentified as a component to retain + // backwards-compatibility with 4.x. check to make sure the + // component class can be instantiated. + if (typeof ComponentClass !== 'function') { + return null; + } + + component = new ComponentClass(this.player_ || this, options); + + // child is a component instance + } else { + component = child; + } + + this.children_.splice(index, 0, component); + + if (typeof component.id === 'function') { + this.childIndex_[component.id()] = component; + } + + // If a name wasn't used to create the component, check if we can use the + // name function of the component + componentName = componentName || component.name && toTitleCase(component.name()); + + if (componentName) { + this.childNameIndex_[componentName] = component; + } + + // Add the UI object's element to the container div (box) + // Having an element is not required + if (typeof component.el === 'function' && component.el()) { + var childNodes = this.contentEl().children; + var refNode = childNodes[index] || null; + + this.contentEl().insertBefore(component.el(), refNode); + } + + // Return so it can stored on parent object if desired. + return component; + }; + + /** + * Remove a child `Component` from this `Component`s list of children. Also removes + * the child `Component`s element from this `Component`s element. + * + * @param {Component} component + * The child `Component` to remove. + */ + + + Component.prototype.removeChild = function removeChild(component) { + if (typeof component === 'string') { + component = this.getChild(component); + } + + if (!component || !this.children_) { + return; + } + + var childFound = false; + + for (var i = this.children_.length - 1; i >= 0; i--) { + if (this.children_[i] === component) { + childFound = true; + this.children_.splice(i, 1); + break; + } + } + + if (!childFound) { + return; + } + + this.childIndex_[component.id()] = null; + this.childNameIndex_[component.name()] = null; + + var compEl = component.el(); + + if (compEl && compEl.parentNode === this.contentEl()) { + this.contentEl().removeChild(component.el()); + } + }; + + /** + * Add and initialize default child `Component`s based upon options. + */ + + + Component.prototype.initChildren = function initChildren() { + var _this = this; + + var children = this.options_.children; + + if (children) { + // `this` is `parent` + var parentOptions = this.options_; + + var handleAdd = function handleAdd(child) { + var name = child.name; + var opts = child.opts; + + // Allow options for children to be set at the parent options + // e.g. videojs(id, { controlBar: false }); + // instead of videojs(id, { children: { controlBar: false }); + if (parentOptions[name] !== undefined) { + opts = parentOptions[name]; + } + + // Allow for disabling default components + // e.g. options['children']['posterImage'] = false + if (opts === false) { + return; + } + + // Allow options to be passed as a simple boolean if no configuration + // is necessary. + if (opts === true) { + opts = {}; + } + + // We also want to pass the original player options + // to each component as well so they don't need to + // reach back into the player for options later. + opts.playerOptions = _this.options_.playerOptions; + + // Create and add the child component. + // Add a direct reference to the child by name on the parent instance. + // If two of the same component are used, different names should be supplied + // for each + var newChild = _this.addChild(name, opts); + + if (newChild) { + _this[name] = newChild; + } + }; + + // Allow for an array of children details to passed in the options + var workingChildren = void 0; + var Tech = Component.getComponent('Tech'); + + if (Array.isArray(children)) { + workingChildren = children; + } else { + workingChildren = Object.keys(children); + } + + workingChildren + // children that are in this.options_ but also in workingChildren would + // give us extra children we do not want. So, we want to filter them out. + .concat(Object.keys(this.options_).filter(function (child) { + return !workingChildren.some(function (wchild) { + if (typeof wchild === 'string') { + return child === wchild; + } + return child === wchild.name; + }); + })).map(function (child) { + var name = void 0; + var opts = void 0; + + if (typeof child === 'string') { + name = child; + opts = children[name] || _this.options_[name] || {}; + } else { + name = child.name; + opts = child; + } + + return { name: name, opts: opts }; + }).filter(function (child) { + // we have to make sure that child.name isn't in the techOrder since + // techs are registerd as Components but can't aren't compatible + // See https://github.com/videojs/video.js/issues/2772 + var c = Component.getComponent(child.opts.componentClass || toTitleCase(child.name)); + + return c && !Tech.isTech(c); + }).forEach(handleAdd); + } + }; + + /** + * Builds the default DOM class name. Should be overriden by sub-components. + * + * @return {string} + * The DOM class name for this object. + * + * @abstract + */ + + + Component.prototype.buildCSSClass = function buildCSSClass() { + // Child classes can include a function that does: + // return 'CLASS NAME' + this._super(); + return ''; + }; + + /** + * Bind a listener to the component's ready state. + * Different from event listeners in that if the ready event has already happened + * it will trigger the function immediately. + * + * @return {Component} + * Returns itself; method can be chained. + */ + + + Component.prototype.ready = function ready(fn) { + var sync = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; + + if (!fn) { + return; + } + + if (!this.isReady_) { + this.readyQueue_ = this.readyQueue_ || []; + this.readyQueue_.push(fn); + return; + } + + if (sync) { + fn.call(this); + } else { + // Call the function asynchronously by default for consistency + this.setTimeout(fn, 1); + } + }; + + /** + * Trigger all the ready listeners for this `Component`. + * + * @fires Component#ready + */ + + + Component.prototype.triggerReady = function triggerReady() { + this.isReady_ = true; + + // Ensure ready is triggered asynchronously + this.setTimeout(function () { + var readyQueue = this.readyQueue_; + + // Reset Ready Queue + this.readyQueue_ = []; + + if (readyQueue && readyQueue.length > 0) { + readyQueue.forEach(function (fn) { + fn.call(this); + }, this); + } + + // Allow for using event listeners also + /** + * Triggered when a `Component` is ready. + * + * @event Component#ready + * @type {EventTarget~Event} + */ + this.trigger('ready'); + }, 1); + }; + + /** + * Find a single DOM element matching a `selector`. This can be within the `Component`s + * `contentEl()` or another custom context. + * + * @param {string} selector + * A valid CSS selector, which will be passed to `querySelector`. + * + * @param {Element|string} [context=this.contentEl()] + * A DOM element within which to query. Can also be a selector string in + * which case the first matching element will get used as context. If + * missing `this.contentEl()` gets used. If `this.contentEl()` returns + * nothing it falls back to `document`. + * + * @return {Element|null} + * the dom element that was found, or null + * + * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors) + */ + + + Component.prototype.$ = function $$$1(selector, context) { + return $(selector, context || this.contentEl()); + }; + + /** + * Finds all DOM element matching a `selector`. This can be within the `Component`s + * `contentEl()` or another custom context. + * + * @param {string} selector + * A valid CSS selector, which will be passed to `querySelectorAll`. + * + * @param {Element|string} [context=this.contentEl()] + * A DOM element within which to query. Can also be a selector string in + * which case the first matching element will get used as context. If + * missing `this.contentEl()` gets used. If `this.contentEl()` returns + * nothing it falls back to `document`. + * + * @return {NodeList} + * a list of dom elements that were found + * + * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors) + */ + + + Component.prototype.$$ = function $$$$1(selector, context) { + return $$(selector, context || this.contentEl()); + }; + + /** + * Check if a component's element has a CSS class name. + * + * @param {string} classToCheck + * CSS class name to check. + * + * @return {boolean} + * - True if the `Component` has the class. + * - False if the `Component` does not have the class` + */ + + + Component.prototype.hasClass = function hasClass$$1(classToCheck) { + return hasClass(this.el_, classToCheck); + }; + + /** + * Add a CSS class name to the `Component`s element. + * + * @param {string} classToAdd + * CSS class name to add + */ + + + Component.prototype.addClass = function addClass$$1(classToAdd) { + addClass(this.el_, classToAdd); + }; + + /** + * Remove a CSS class name from the `Component`s element. + * + * @param {string} classToRemove + * CSS class name to remove + */ + + + Component.prototype.removeClass = function removeClass$$1(classToRemove) { + removeClass(this.el_, classToRemove); + }; + + /** + * Add or remove a CSS class name from the component's element. + * - `classToToggle` gets added when {@link Component#hasClass} would return false. + * - `classToToggle` gets removed when {@link Component#hasClass} would return true. + * + * @param {string} classToToggle + * The class to add or remove based on (@link Component#hasClass} + * + * @param {boolean|Dom~predicate} [predicate] + * An {@link Dom~predicate} function or a boolean + */ + + + Component.prototype.toggleClass = function toggleClass$$1(classToToggle, predicate) { + toggleClass(this.el_, classToToggle, predicate); + }; + + /** + * Show the `Component`s element if it is hidden by removing the + * 'vjs-hidden' class name from it. + */ + + + Component.prototype.show = function show() { + this.removeClass('vjs-hidden'); + }; + + /** + * Hide the `Component`s element if it is currently showing by adding the + * 'vjs-hidden` class name to it. + */ + + + Component.prototype.hide = function hide() { + this.addClass('vjs-hidden'); + }; + + /** + * Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing' + * class name to it. Used during fadeIn/fadeOut. + * + * @private + */ + + + Component.prototype.lockShowing = function lockShowing() { + this.addClass('vjs-lock-showing'); + }; + + /** + * Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing' + * class name from it. Used during fadeIn/fadeOut. + * + * @private + */ + + + Component.prototype.unlockShowing = function unlockShowing() { + this.removeClass('vjs-lock-showing'); + }; + + /** + * Get the value of an attribute on the `Component`s element. + * + * @param {string} attribute + * Name of the attribute to get the value from. + * + * @return {string|null} + * - The value of the attribute that was asked for. + * - Can be an empty string on some browsers if the attribute does not exist + * or has no value + * - Most browsers will return null if the attibute does not exist or has + * no value. + * + * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute} + */ + + + Component.prototype.getAttribute = function getAttribute$$1(attribute) { + return getAttribute(this.el_, attribute); + }; + + /** + * Set the value of an attribute on the `Component`'s element + * + * @param {string} attribute + * Name of the attribute to set. + * + * @param {string} value + * Value to set the attribute to. + * + * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute} + */ + + + Component.prototype.setAttribute = function setAttribute$$1(attribute, value) { + setAttribute(this.el_, attribute, value); + }; + + /** + * Remove an attribute from the `Component`s element. + * + * @param {string} attribute + * Name of the attribute to remove. + * + * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute} + */ + + + Component.prototype.removeAttribute = function removeAttribute$$1(attribute) { + removeAttribute(this.el_, attribute); + }; + + /** + * Get or set the width of the component based upon the CSS styles. + * See {@link Component#dimension} for more detailed information. + * + * @param {number|string} [num] + * The width that you want to set postfixed with '%', 'px' or nothing. + * + * @param {boolean} [skipListeners] + * Skip the componentresize event trigger + * + * @return {number|string} + * The width when getting, zero if there is no width. Can be a string + * postpixed with '%' or 'px'. + */ + + + Component.prototype.width = function width(num, skipListeners) { + return this.dimension('width', num, skipListeners); + }; + + /** + * Get or set the height of the component based upon the CSS styles. + * See {@link Component#dimension} for more detailed information. + * + * @param {number|string} [num] + * The height that you want to set postfixed with '%', 'px' or nothing. + * + * @param {boolean} [skipListeners] + * Skip the componentresize event trigger + * + * @return {number|string} + * The width when getting, zero if there is no width. Can be a string + * postpixed with '%' or 'px'. + */ + + + Component.prototype.height = function height(num, skipListeners) { + return this.dimension('height', num, skipListeners); + }; + + /** + * Set both the width and height of the `Component` element at the same time. + * + * @param {number|string} width + * Width to set the `Component`s element to. + * + * @param {number|string} height + * Height to set the `Component`s element to. + */ + + + Component.prototype.dimensions = function dimensions(width, height) { + // Skip componentresize listeners on width for optimization + this.width(width, true); + this.height(height); + }; + + /** + * Get or set width or height of the `Component` element. This is the shared code + * for the {@link Component#width} and {@link Component#height}. + * + * Things to know: + * - If the width or height in an number this will return the number postfixed with 'px'. + * - If the width/height is a percent this will return the percent postfixed with '%' + * - Hidden elements have a width of 0 with `window.getComputedStyle`. This function + * defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`. + * See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/} + * for more information + * - If you want the computed style of the component, use {@link Component#currentWidth} + * and {@link {Component#currentHeight} + * + * @fires Component#componentresize + * + * @param {string} widthOrHeight + 8 'width' or 'height' + * + * @param {number|string} [num] + 8 New dimension + * + * @param {boolean} [skipListeners] + * Skip componentresize event trigger + * + * @return {number} + * The dimension when getting or 0 if unset + */ + + + Component.prototype.dimension = function dimension(widthOrHeight, num, skipListeners) { + if (num !== undefined) { + // Set to zero if null or literally NaN (NaN !== NaN) + if (num === null || num !== num) { + num = 0; + } + + // Check if using css width/height (% or px) and adjust + if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) { + this.el_.style[widthOrHeight] = num; + } else if (num === 'auto') { + this.el_.style[widthOrHeight] = ''; + } else { + this.el_.style[widthOrHeight] = num + 'px'; + } + + // skipListeners allows us to avoid triggering the resize event when setting both width and height + if (!skipListeners) { + /** + * Triggered when a component is resized. + * + * @event Component#componentresize + * @type {EventTarget~Event} + */ + this.trigger('componentresize'); + } + + return; + } + + // Not setting a value, so getting it + // Make sure element exists + if (!this.el_) { + return 0; + } + + // Get dimension value from style + var val = this.el_.style[widthOrHeight]; + var pxIndex = val.indexOf('px'); + + if (pxIndex !== -1) { + // Return the pixel value with no 'px' + return parseInt(val.slice(0, pxIndex), 10); + } + + // No px so using % or no style was set, so falling back to offsetWidth/height + // If component has display:none, offset will return 0 + // TODO: handle display:none and no dimension style using px + return parseInt(this.el_['offset' + toTitleCase(widthOrHeight)], 10); + }; + + /** + * Get the width or the height of the `Component` elements computed style. Uses + * `window.getComputedStyle`. + * + * @param {string} widthOrHeight + * A string containing 'width' or 'height'. Whichever one you want to get. + * + * @return {number} + * The dimension that gets asked for or 0 if nothing was set + * for that dimension. + */ + + + Component.prototype.currentDimension = function currentDimension(widthOrHeight) { + var computedWidthOrHeight = 0; + + if (widthOrHeight !== 'width' && widthOrHeight !== 'height') { + throw new Error('currentDimension only accepts width or height value'); + } + + if (typeof window_1.getComputedStyle === 'function') { + var computedStyle = window_1.getComputedStyle(this.el_); + + computedWidthOrHeight = computedStyle.getPropertyValue(widthOrHeight) || computedStyle[widthOrHeight]; + } + + // remove 'px' from variable and parse as integer + computedWidthOrHeight = parseFloat(computedWidthOrHeight); + + // if the computed value is still 0, it's possible that the browser is lying + // and we want to check the offset values. + // This code also runs wherever getComputedStyle doesn't exist. + if (computedWidthOrHeight === 0) { + var rule = 'offset' + toTitleCase(widthOrHeight); + + computedWidthOrHeight = this.el_[rule]; + } + + return computedWidthOrHeight; + }; + + /** + * An object that contains width and height values of the `Component`s + * computed style. Uses `window.getComputedStyle`. + * + * @typedef {Object} Component~DimensionObject + * + * @property {number} width + * The width of the `Component`s computed style. + * + * @property {number} height + * The height of the `Component`s computed style. + */ + + /** + * Get an object that contains width and height values of the `Component`s + * computed style. + * + * @return {Component~DimensionObject} + * The dimensions of the components element + */ + + + Component.prototype.currentDimensions = function currentDimensions() { + return { + width: this.currentDimension('width'), + height: this.currentDimension('height') + }; + }; + + /** + * Get the width of the `Component`s computed style. Uses `window.getComputedStyle`. + * + * @return {number} width + * The width of the `Component`s computed style. + */ + + + Component.prototype.currentWidth = function currentWidth() { + return this.currentDimension('width'); + }; + + /** + * Get the height of the `Component`s computed style. Uses `window.getComputedStyle`. + * + * @return {number} height + * The height of the `Component`s computed style. + */ + + + Component.prototype.currentHeight = function currentHeight() { + return this.currentDimension('height'); + }; + + /** + * Set the focus to this component + */ + + + Component.prototype.focus = function focus() { + this.el_.focus(); + }; + + /** + * Remove the focus from this component + */ + + + Component.prototype.blur = function blur() { + this.el_.blur(); + }; + + /** + * Emit a 'tap' events when touch event support gets detected. This gets used to + * support toggling the controls through a tap on the video. They get enabled + * because every sub-component would have extra overhead otherwise. + * + * @private + * @fires Component#tap + * @listens Component#touchstart + * @listens Component#touchmove + * @listens Component#touchleave + * @listens Component#touchcancel + * @listens Component#touchend + */ + + + Component.prototype.emitTapEvents = function emitTapEvents() { + // Track the start time so we can determine how long the touch lasted + var touchStart = 0; + var firstTouch = null; + + // Maximum movement allowed during a touch event to still be considered a tap + // Other popular libs use anywhere from 2 (hammer.js) to 15, + // so 10 seems like a nice, round number. + var tapMovementThreshold = 10; + + // The maximum length a touch can be while still being considered a tap + var touchTimeThreshold = 200; + + var couldBeTap = void 0; + + this.on('touchstart', function (event) { + // If more than one finger, don't consider treating this as a click + if (event.touches.length === 1) { + // Copy pageX/pageY from the object + firstTouch = { + pageX: event.touches[0].pageX, + pageY: event.touches[0].pageY + }; + // Record start time so we can detect a tap vs. "touch and hold" + touchStart = new Date().getTime(); + // Reset couldBeTap tracking + couldBeTap = true; + } + }); + + this.on('touchmove', function (event) { + // If more than one finger, don't consider treating this as a click + if (event.touches.length > 1) { + couldBeTap = false; + } else if (firstTouch) { + // Some devices will throw touchmoves for all but the slightest of taps. + // So, if we moved only a small distance, this could still be a tap + var xdiff = event.touches[0].pageX - firstTouch.pageX; + var ydiff = event.touches[0].pageY - firstTouch.pageY; + var touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff); + + if (touchDistance > tapMovementThreshold) { + couldBeTap = false; + } + } + }); + + var noTap = function noTap() { + couldBeTap = false; + }; + + // TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s + this.on('touchleave', noTap); + this.on('touchcancel', noTap); + + // When the touch ends, measure how long it took and trigger the appropriate + // event + this.on('touchend', function (event) { + firstTouch = null; + // Proceed only if the touchmove/leave/cancel event didn't happen + if (couldBeTap === true) { + // Measure how long the touch lasted + var touchTime = new Date().getTime() - touchStart; + + // Make sure the touch was less than the threshold to be considered a tap + if (touchTime < touchTimeThreshold) { + // Don't let browser turn this into a click + event.preventDefault(); + /** + * Triggered when a `Component` is tapped. + * + * @event Component#tap + * @type {EventTarget~Event} + */ + this.trigger('tap'); + // It may be good to copy the touchend event object and change the + // type to tap, if the other event properties aren't exact after + // Events.fixEvent runs (e.g. event.target) + } + } + }); + }; + + /** + * This function reports user activity whenever touch events happen. This can get + * turned off by any sub-components that wants touch events to act another way. + * + * Report user touch activity when touch events occur. User activity gets used to + * determine when controls should show/hide. It is simple when it comes to mouse + * events, because any mouse event should show the controls. So we capture mouse + * events that bubble up to the player and report activity when that happens. + * With touch events it isn't as easy as `touchstart` and `touchend` toggle player + * controls. So touch events can't help us at the player level either. + * + * User activity gets checked asynchronously. So what could happen is a tap event + * on the video turns the controls off. Then the `touchend` event bubbles up to + * the player. Which, if it reported user activity, would turn the controls right + * back on. We also don't want to completely block touch events from bubbling up. + * Furthermore a `touchmove` event and anything other than a tap, should not turn + * controls back on. + * + * @listens Component#touchstart + * @listens Component#touchmove + * @listens Component#touchend + * @listens Component#touchcancel + */ + + + Component.prototype.enableTouchActivity = function enableTouchActivity() { + // Don't continue if the root player doesn't support reporting user activity + if (!this.player() || !this.player().reportUserActivity) { + return; + } + + // listener for reporting that the user is active + var report = bind(this.player(), this.player().reportUserActivity); + + var touchHolding = void 0; + + this.on('touchstart', function () { + report(); + // For as long as the they are touching the device or have their mouse down, + // we consider them active even if they're not moving their finger or mouse. + // So we want to continue to update that they are active + this.clearInterval(touchHolding); + // report at the same interval as activityCheck + touchHolding = this.setInterval(report, 250); + }); + + var touchEnd = function touchEnd(event) { + report(); + // stop the interval that maintains activity if the touch is holding + this.clearInterval(touchHolding); + }; + + this.on('touchmove', report); + this.on('touchend', touchEnd); + this.on('touchcancel', touchEnd); + }; + + /** + * A callback that has no parameters and is bound into `Component`s context. + * + * @callback Component~GenericCallback + * @this Component + */ + + /** + * Creates a function that runs after an `x` millisecond timeout. This function is a + * wrapper around `window.setTimeout`. There are a few reasons to use this one + * instead though: + * 1. It gets cleared via {@link Component#clearTimeout} when + * {@link Component#dispose} gets called. + * 2. The function callback will gets turned into a {@link Component~GenericCallback} + * + * > Note: You can't use `window.clearTimeout` on the id returned by this function. This + * will cause its dispose listener not to get cleaned up! Please use + * {@link Component#clearTimeout} or {@link Component#dispose} instead. + * + * @param {Component~GenericCallback} fn + * The function that will be run after `timeout`. + * + * @param {number} timeout + * Timeout in milliseconds to delay before executing the specified function. + * + * @return {number} + * Returns a timeout ID that gets used to identify the timeout. It can also + * get used in {@link Component#clearTimeout} to clear the timeout that + * was set. + * + * @listens Component#dispose + * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout} + */ + + + Component.prototype.setTimeout = function setTimeout(fn, timeout) { + var _this2 = this; + + // declare as variables so they are properly available in timeout function + // eslint-disable-next-line + var timeoutId, disposeFn; + + fn = bind(this, fn); + + timeoutId = window_1.setTimeout(function () { + _this2.off('dispose', disposeFn); + fn(); + }, timeout); + + disposeFn = function disposeFn() { + return _this2.clearTimeout(timeoutId); + }; + + disposeFn.guid = 'vjs-timeout-' + timeoutId; + + this.on('dispose', disposeFn); + + return timeoutId; + }; + + /** + * Clears a timeout that gets created via `window.setTimeout` or + * {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout} + * use this function instead of `window.clearTimout`. If you don't your dispose + * listener will not get cleaned up until {@link Component#dispose}! + * + * @param {number} timeoutId + * The id of the timeout to clear. The return value of + * {@link Component#setTimeout} or `window.setTimeout`. + * + * @return {number} + * Returns the timeout id that was cleared. + * + * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout} + */ + + + Component.prototype.clearTimeout = function clearTimeout(timeoutId) { + window_1.clearTimeout(timeoutId); + + var disposeFn = function disposeFn() {}; + + disposeFn.guid = 'vjs-timeout-' + timeoutId; + + this.off('dispose', disposeFn); + + return timeoutId; + }; + + /** + * Creates a function that gets run every `x` milliseconds. This function is a wrapper + * around `window.setInterval`. There are a few reasons to use this one instead though. + * 1. It gets cleared via {@link Component#clearInterval} when + * {@link Component#dispose} gets called. + * 2. The function callback will be a {@link Component~GenericCallback} + * + * @param {Component~GenericCallback} fn + * The function to run every `x` seconds. + * + * @param {number} interval + * Execute the specified function every `x` milliseconds. + * + * @return {number} + * Returns an id that can be used to identify the interval. It can also be be used in + * {@link Component#clearInterval} to clear the interval. + * + * @listens Component#dispose + * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval} + */ + + + Component.prototype.setInterval = function setInterval(fn, interval) { + var _this3 = this; + + fn = bind(this, fn); + + var intervalId = window_1.setInterval(fn, interval); + + var disposeFn = function disposeFn() { + return _this3.clearInterval(intervalId); + }; + + disposeFn.guid = 'vjs-interval-' + intervalId; + + this.on('dispose', disposeFn); + + return intervalId; + }; + + /** + * Clears an interval that gets created via `window.setInterval` or + * {@link Component#setInterval}. If you set an inteval via {@link Component#setInterval} + * use this function instead of `window.clearInterval`. If you don't your dispose + * listener will not get cleaned up until {@link Component#dispose}! + * + * @param {number} intervalId + * The id of the interval to clear. The return value of + * {@link Component#setInterval} or `window.setInterval`. + * + * @return {number} + * Returns the interval id that was cleared. + * + * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval} + */ + + + Component.prototype.clearInterval = function clearInterval(intervalId) { + window_1.clearInterval(intervalId); + + var disposeFn = function disposeFn() {}; + + disposeFn.guid = 'vjs-interval-' + intervalId; + + this.off('dispose', disposeFn); + + return intervalId; + }; + + /** + * Queues up a callback to be passed to requestAnimationFrame (rAF), but + * with a few extra bonuses: + * + * - Supports browsers that do not support rAF by falling back to + * {@link Component#setTimeout}. + * + * - The callback is turned into a {@link Component~GenericCallback} (i.e. + * bound to the component). + * + * - Automatic cancellation of the rAF callback is handled if the component + * is disposed before it is called. + * + * @param {Component~GenericCallback} fn + * A function that will be bound to this component and executed just + * before the browser's next repaint. + * + * @return {number} + * Returns an rAF ID that gets used to identify the timeout. It can + * also be used in {@link Component#cancelAnimationFrame} to cancel + * the animation frame callback. + * + * @listens Component#dispose + * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame} + */ + + + Component.prototype.requestAnimationFrame = function requestAnimationFrame(fn) { + var _this4 = this; + + // declare as variables so they are properly available in rAF function + // eslint-disable-next-line + var id, disposeFn; + + if (this.supportsRaf_) { + fn = bind(this, fn); + + id = window_1.requestAnimationFrame(function () { + _this4.off('dispose', disposeFn); + fn(); + }); + + disposeFn = function disposeFn() { + return _this4.cancelAnimationFrame(id); + }; + + disposeFn.guid = 'vjs-raf-' + id; + this.on('dispose', disposeFn); + + return id; + } + + // Fall back to using a timer. + return this.setTimeout(fn, 1000 / 60); + }; + + /** + * Cancels a queued callback passed to {@link Component#requestAnimationFrame} + * (rAF). + * + * If you queue an rAF callback via {@link Component#requestAnimationFrame}, + * use this function instead of `window.cancelAnimationFrame`. If you don't, + * your dispose listener will not get cleaned up until {@link Component#dispose}! + * + * @param {number} id + * The rAF ID to clear. The return value of {@link Component#requestAnimationFrame}. + * + * @return {number} + * Returns the rAF ID that was cleared. + * + * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/cancelAnimationFrame} + */ + + + Component.prototype.cancelAnimationFrame = function cancelAnimationFrame(id) { + if (this.supportsRaf_) { + window_1.cancelAnimationFrame(id); + + var disposeFn = function disposeFn() {}; + + disposeFn.guid = 'vjs-raf-' + id; + + this.off('dispose', disposeFn); + + return id; + } + + // Fall back to using a timer. + return this.clearTimeout(id); + }; + + /** + * Register a `Component` with `videojs` given the name and the component. + * + * > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s + * should be registered using {@link Tech.registerTech} or + * {@link videojs:videojs.registerTech}. + * + * > NOTE: This function can also be seen on videojs as + * {@link videojs:videojs.registerComponent}. + * + * @param {string} name + * The name of the `Component` to register. + * + * @param {Component} ComponentToRegister + * The `Component` class to register. + * + * @return {Component} + * The `Component` that was registered. + */ + + + Component.registerComponent = function registerComponent(name, ComponentToRegister) { + if (typeof name !== 'string' || !name) { + throw new Error('Illegal component name, "' + name + '"; must be a non-empty string.'); + } + + var Tech = Component.getComponent('Tech'); + + // We need to make sure this check is only done if Tech has been registered. + var isTech = Tech && Tech.isTech(ComponentToRegister); + var isComp = Component === ComponentToRegister || Component.prototype.isPrototypeOf(ComponentToRegister.prototype); + + if (isTech || !isComp) { + var reason = void 0; + + if (isTech) { + reason = 'techs must be registered using Tech.registerTech()'; + } else { + reason = 'must be a Component subclass'; + } + + throw new Error('Illegal component, "' + name + '"; ' + reason + '.'); + } + + name = toTitleCase(name); + + if (!Component.components_) { + Component.components_ = {}; + } + + var Player = Component.getComponent('Player'); + + if (name === 'Player' && Player && Player.players) { + var players = Player.players; + var playerNames = Object.keys(players); + + // If we have players that were disposed, then their name will still be + // in Players.players. So, we must loop through and verify that the value + // for each item is not null. This allows registration of the Player component + // after all players have been disposed or before any were created. + if (players && playerNames.length > 0 && playerNames.map(function (pname) { + return players[pname]; + }).every(Boolean)) { + throw new Error('Can not register Player component after player has been created.'); + } + } + + Component.components_[name] = ComponentToRegister; + + return ComponentToRegister; + }; + + /** + * Get a `Component` based on the name it was registered with. + * + * @param {string} name + * The Name of the component to get. + * + * @return {Component} + * The `Component` that got registered under the given name. + * + * @deprecated In `videojs` 6 this will not return `Component`s that were not + * registered using {@link Component.registerComponent}. Currently we + * check the global `videojs` object for a `Component` name and + * return that if it exists. + */ + + + Component.getComponent = function getComponent(name) { + if (!name) { + return; + } + + name = toTitleCase(name); + + if (Component.components_ && Component.components_[name]) { + return Component.components_[name]; + } + }; + + return Component; + }(); + + /** + * Whether or not this component supports `requestAnimationFrame`. + * + * This is exposed primarily for testing purposes. + * + * @private + * @type {Boolean} + */ + + + Component.prototype.supportsRaf_ = typeof window_1.requestAnimationFrame === 'function' && typeof window_1.cancelAnimationFrame === 'function'; + + Component.registerComponent('Component', Component); + + /** + * @file browser.js + * @module browser + */ + + var USER_AGENT = window_1.navigator && window_1.navigator.userAgent || ''; + var webkitVersionMap = /AppleWebKit\/([\d.]+)/i.exec(USER_AGENT); + var appleWebkitVersion = webkitVersionMap ? parseFloat(webkitVersionMap.pop()) : null; + + /* + * Device is an iPhone + * + * @type {Boolean} + * @constant + * @private + */ + var IS_IPAD = /iPad/i.test(USER_AGENT); + + // The Facebook app's UIWebView identifies as both an iPhone and iPad, so + // to identify iPhones, we need to exclude iPads. + // http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/ + var IS_IPHONE = /iPhone/i.test(USER_AGENT) && !IS_IPAD; + var IS_IPOD = /iPod/i.test(USER_AGENT); + var IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD; + + var IOS_VERSION = function () { + var match = USER_AGENT.match(/OS (\d+)_/i); + + if (match && match[1]) { + return match[1]; + } + return null; + }(); + + var IS_ANDROID = /Android/i.test(USER_AGENT); + var ANDROID_VERSION = function () { + // This matches Android Major.Minor.Patch versions + // ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned + var match = USER_AGENT.match(/Android (\d+)(?:\.(\d+))?(?:\.(\d+))*/i); + + if (!match) { + return null; + } + + var major = match[1] && parseFloat(match[1]); + var minor = match[2] && parseFloat(match[2]); + + if (major && minor) { + return parseFloat(match[1] + '.' + match[2]); + } else if (major) { + return major; + } + return null; + }(); + + var IS_NATIVE_ANDROID = IS_ANDROID && ANDROID_VERSION < 5 && appleWebkitVersion < 537; + + var IS_FIREFOX = /Firefox/i.test(USER_AGENT); + var IS_EDGE = /Edge/i.test(USER_AGENT); + var IS_CHROME = !IS_EDGE && (/Chrome/i.test(USER_AGENT) || /CriOS/i.test(USER_AGENT)); + var CHROME_VERSION = function () { + var match = USER_AGENT.match(/(Chrome|CriOS)\/(\d+)/); + + if (match && match[2]) { + return parseFloat(match[2]); + } + return null; + }(); + var IE_VERSION = function () { + var result = /MSIE\s(\d+)\.\d/.exec(USER_AGENT); + var version = result && parseFloat(result[1]); + + if (!version && /Trident\/7.0/i.test(USER_AGENT) && /rv:11.0/.test(USER_AGENT)) { + // IE 11 has a different user agent string than other IE versions + version = 11.0; + } + + return version; + }(); + + var IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE; + var IS_ANY_SAFARI = (IS_SAFARI || IS_IOS) && !IS_CHROME; + + var TOUCH_ENABLED = isReal() && ('ontouchstart' in window_1 || window_1.navigator.maxTouchPoints || window_1.DocumentTouch && window_1.document instanceof window_1.DocumentTouch); + + var browser = /*#__PURE__*/Object.freeze({ + IS_IPAD: IS_IPAD, + IS_IPHONE: IS_IPHONE, + IS_IPOD: IS_IPOD, + IS_IOS: IS_IOS, + IOS_VERSION: IOS_VERSION, + IS_ANDROID: IS_ANDROID, + ANDROID_VERSION: ANDROID_VERSION, + IS_NATIVE_ANDROID: IS_NATIVE_ANDROID, + IS_FIREFOX: IS_FIREFOX, + IS_EDGE: IS_EDGE, + IS_CHROME: IS_CHROME, + CHROME_VERSION: CHROME_VERSION, + IE_VERSION: IE_VERSION, + IS_SAFARI: IS_SAFARI, + IS_ANY_SAFARI: IS_ANY_SAFARI, + TOUCH_ENABLED: TOUCH_ENABLED + }); + + /** + * @file time-ranges.js + * @module time-ranges + */ + + /** + * Returns the time for the specified index at the start or end + * of a TimeRange object. + * + * @function time-ranges:indexFunction + * + * @param {number} [index=0] + * The range number to return the time for. + * + * @return {number} + * The time that offset at the specified index. + * + * @depricated index must be set to a value, in the future this will throw an error. + */ + + /** + * An object that contains ranges of time for various reasons. + * + * @typedef {Object} TimeRange + * + * @property {number} length + * The number of time ranges represented by this Object + * + * @property {time-ranges:indexFunction} start + * Returns the time offset at which a specified time range begins. + * + * @property {time-ranges:indexFunction} end + * Returns the time offset at which a specified time range ends. + * + * @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges + */ + + /** + * Check if any of the time ranges are over the maximum index. + * + * @param {string} fnName + * The function name to use for logging + * + * @param {number} index + * The index to check + * + * @param {number} maxIndex + * The maximum possible index + * + * @throws {Error} if the timeRanges provided are over the maxIndex + */ + function rangeCheck(fnName, index, maxIndex) { + if (typeof index !== 'number' || index < 0 || index > maxIndex) { + throw new Error('Failed to execute \'' + fnName + '\' on \'TimeRanges\': The index provided (' + index + ') is non-numeric or out of bounds (0-' + maxIndex + ').'); + } + } + + /** + * Get the time for the specified index at the start or end + * of a TimeRange object. + * + * @param {string} fnName + * The function name to use for logging + * + * @param {string} valueIndex + * The property that should be used to get the time. should be 'start' or 'end' + * + * @param {Array} ranges + * An array of time ranges + * + * @param {Array} [rangeIndex=0] + * The index to start the search at + * + * @return {number} + * The time that offset at the specified index. + * + * + * @depricated rangeIndex must be set to a value, in the future this will throw an error. + * @throws {Error} if rangeIndex is more than the length of ranges + */ + function getRange(fnName, valueIndex, ranges, rangeIndex) { + rangeCheck(fnName, rangeIndex, ranges.length - 1); + return ranges[rangeIndex][valueIndex]; + } + + /** + * Create a time range object given ranges of time. + * + * @param {Array} [ranges] + * An array of time ranges. + */ + function createTimeRangesObj(ranges) { + if (ranges === undefined || ranges.length === 0) { + return { + length: 0, + start: function start() { + throw new Error('This TimeRanges object is empty'); + }, + end: function end() { + throw new Error('This TimeRanges object is empty'); + } + }; + } + return { + length: ranges.length, + start: getRange.bind(null, 'start', 0, ranges), + end: getRange.bind(null, 'end', 1, ranges) + }; + } + + /** + * Should create a fake `TimeRange` object which mimics an HTML5 time range instance. + * + * @param {number|Array} start + * The start of a single range or an array of ranges + * + * @param {number} end + * The end of a single range. + * + * @private + */ + function createTimeRanges(start, end) { + if (Array.isArray(start)) { + return createTimeRangesObj(start); + } else if (start === undefined || end === undefined) { + return createTimeRangesObj(); + } + return createTimeRangesObj([[start, end]]); + } + + /** + * @file buffer.js + * @module buffer + */ + + /** + * Compute the percentage of the media that has been buffered. + * + * @param {TimeRange} buffered + * The current `TimeRange` object representing buffered time ranges + * + * @param {number} duration + * Total duration of the media + * + * @return {number} + * Percent buffered of the total duration in decimal form. + */ + function bufferedPercent(buffered, duration) { + var bufferedDuration = 0; + var start = void 0; + var end = void 0; + + if (!duration) { + return 0; + } + + if (!buffered || !buffered.length) { + buffered = createTimeRanges(0, 0); + } + + for (var i = 0; i < buffered.length; i++) { + start = buffered.start(i); + end = buffered.end(i); + + // buffered end can be bigger than duration by a very small fraction + if (end > duration) { + end = duration; + } + + bufferedDuration += end - start; + } + + return bufferedDuration / duration; + } + + /** + * @file fullscreen-api.js + * @module fullscreen-api + * @private + */ + + /** + * Store the browser-specific methods for the fullscreen API. + * + * @type {Object} + * @see [Specification]{@link https://fullscreen.spec.whatwg.org} + * @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js} + */ + var FullscreenApi = {}; + + // browser API methods + var apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror'], + // WebKit + ['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror'], + // Old WebKit (Safari 5.1) + ['webkitRequestFullScreen', 'webkitCancelFullScreen', 'webkitCurrentFullScreenElement', 'webkitCancelFullScreen', 'webkitfullscreenchange', 'webkitfullscreenerror'], + // Mozilla + ['mozRequestFullScreen', 'mozCancelFullScreen', 'mozFullScreenElement', 'mozFullScreenEnabled', 'mozfullscreenchange', 'mozfullscreenerror'], + // Microsoft + ['msRequestFullscreen', 'msExitFullscreen', 'msFullscreenElement', 'msFullscreenEnabled', 'MSFullscreenChange', 'MSFullscreenError']]; + + var specApi = apiMap[0]; + var browserApi = void 0; + + // determine the supported set of functions + for (var i = 0; i < apiMap.length; i++) { + // check for exitFullscreen function + if (apiMap[i][1] in document_1) { + browserApi = apiMap[i]; + break; + } + } + + // map the browser API names to the spec API names + if (browserApi) { + for (var _i = 0; _i < browserApi.length; _i++) { + FullscreenApi[specApi[_i]] = browserApi[_i]; + } + } + + /** + * @file media-error.js + */ + + /** + * A Custom `MediaError` class which mimics the standard HTML5 `MediaError` class. + * + * @param {number|string|Object|MediaError} value + * This can be of multiple types: + * - number: should be a standard error code + * - string: an error message (the code will be 0) + * - Object: arbitrary properties + * - `MediaError` (native): used to populate a video.js `MediaError` object + * - `MediaError` (video.js): will return itself if it's already a + * video.js `MediaError` object. + * + * @see [MediaError Spec]{@link https://dev.w3.org/html5/spec-author-view/video.html#mediaerror} + * @see [Encrypted MediaError Spec]{@link https://www.w3.org/TR/2013/WD-encrypted-media-20130510/#error-codes} + * + * @class MediaError + */ + function MediaError(value) { + + // Allow redundant calls to this constructor to avoid having `instanceof` + // checks peppered around the code. + if (value instanceof MediaError) { + return value; + } + + if (typeof value === 'number') { + this.code = value; + } else if (typeof value === 'string') { + // default code is zero, so this is a custom error + this.message = value; + } else if (isObject(value)) { + + // We assign the `code` property manually because native `MediaError` objects + // do not expose it as an own/enumerable property of the object. + if (typeof value.code === 'number') { + this.code = value.code; + } + + assign(this, value); + } + + if (!this.message) { + this.message = MediaError.defaultMessages[this.code] || ''; + } + } + + /** + * The error code that refers two one of the defined `MediaError` types + * + * @type {Number} + */ + MediaError.prototype.code = 0; + + /** + * An optional message that to show with the error. Message is not part of the HTML5 + * video spec but allows for more informative custom errors. + * + * @type {String} + */ + MediaError.prototype.message = ''; + + /** + * An optional status code that can be set by plugins to allow even more detail about + * the error. For example a plugin might provide a specific HTTP status code and an + * error message for that code. Then when the plugin gets that error this class will + * know how to display an error message for it. This allows a custom message to show + * up on the `Player` error overlay. + * + * @type {Array} + */ + MediaError.prototype.status = null; + + /** + * Errors indexed by the W3C standard. The order **CANNOT CHANGE**! See the + * specification listed under {@link MediaError} for more information. + * + * @enum {array} + * @readonly + * @property {string} 0 - MEDIA_ERR_CUSTOM + * @property {string} 1 - MEDIA_ERR_CUSTOM + * @property {string} 2 - MEDIA_ERR_ABORTED + * @property {string} 3 - MEDIA_ERR_NETWORK + * @property {string} 4 - MEDIA_ERR_SRC_NOT_SUPPORTED + * @property {string} 5 - MEDIA_ERR_ENCRYPTED + */ + MediaError.errorTypes = ['MEDIA_ERR_CUSTOM', 'MEDIA_ERR_ABORTED', 'MEDIA_ERR_NETWORK', 'MEDIA_ERR_DECODE', 'MEDIA_ERR_SRC_NOT_SUPPORTED', 'MEDIA_ERR_ENCRYPTED']; + + /** + * The default `MediaError` messages based on the {@link MediaError.errorTypes}. + * + * @type {Array} + * @constant + */ + MediaError.defaultMessages = { + 1: 'You aborted the media playback', + 2: 'A network error caused the media download to fail part-way.', + 3: 'The media playback was aborted due to a corruption problem or because the media used features your browser did not support.', + 4: 'The media could not be loaded, either because the server or network failed or because the format is not supported.', + 5: 'The media is encrypted and we do not have the keys to decrypt it.' + }; + + // Add types as properties on MediaError + // e.g. MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED = 4; + for (var errNum = 0; errNum < MediaError.errorTypes.length; errNum++) { + MediaError[MediaError.errorTypes[errNum]] = errNum; + // values should be accessible on both the class and instance + MediaError.prototype[MediaError.errorTypes[errNum]] = errNum; + } + + var tuple = SafeParseTuple; + + function SafeParseTuple(obj, reviver) { + var json; + var error = null; + + try { + json = JSON.parse(obj, reviver); + } catch (err) { + error = err; + } + + return [error, json]; + } + + /** + * Returns whether an object is `Promise`-like (i.e. has a `then` method). + * + * @param {Object} value + * An object that may or may not be `Promise`-like. + * + * @return {Boolean} + * Whether or not the object is `Promise`-like. + */ + function isPromise(value) { + return value !== undefined && value !== null && typeof value.then === 'function'; + } + + /** + * Silence a Promise-like object. + * + * This is useful for avoiding non-harmful, but potentially confusing "uncaught + * play promise" rejection error messages. + * + * @param {Object} value + * An object that may or may not be `Promise`-like. + */ + function silencePromise(value) { + if (isPromise(value)) { + value.then(null, function (e) {}); + } + } + + /** + * @file text-track-list-converter.js Utilities for capturing text track state and + * re-creating tracks based on a capture. + * + * @module text-track-list-converter + */ + + /** + * Examine a single {@link TextTrack} and return a JSON-compatible javascript object that + * represents the {@link TextTrack}'s state. + * + * @param {TextTrack} track + * The text track to query. + * + * @return {Object} + * A serializable javascript representation of the TextTrack. + * @private + */ + var trackToJson_ = function trackToJson_(track) { + var ret = ['kind', 'label', 'language', 'id', 'inBandMetadataTrackDispatchType', 'mode', 'src'].reduce(function (acc, prop, i) { + + if (track[prop]) { + acc[prop] = track[prop]; + } + + return acc; + }, { + cues: track.cues && Array.prototype.map.call(track.cues, function (cue) { + return { + startTime: cue.startTime, + endTime: cue.endTime, + text: cue.text, + id: cue.id + }; + }) + }); + + return ret; + }; + + /** + * Examine a {@link Tech} and return a JSON-compatible javascript array that represents the + * state of all {@link TextTrack}s currently configured. The return array is compatible with + * {@link text-track-list-converter:jsonToTextTracks}. + * + * @param {Tech} tech + * The tech object to query + * + * @return {Array} + * A serializable javascript representation of the {@link Tech}s + * {@link TextTrackList}. + */ + var textTracksToJson = function textTracksToJson(tech) { + + var trackEls = tech.$$('track'); + + var trackObjs = Array.prototype.map.call(trackEls, function (t) { + return t.track; + }); + var tracks = Array.prototype.map.call(trackEls, function (trackEl) { + var json = trackToJson_(trackEl.track); + + if (trackEl.src) { + json.src = trackEl.src; + } + return json; + }); + + return tracks.concat(Array.prototype.filter.call(tech.textTracks(), function (track) { + return trackObjs.indexOf(track) === -1; + }).map(trackToJson_)); + }; + + /** + * Create a set of remote {@link TextTrack}s on a {@link Tech} based on an array of javascript + * object {@link TextTrack} representations. + * + * @param {Array} json + * An array of `TextTrack` representation objects, like those that would be + * produced by `textTracksToJson`. + * + * @param {Tech} tech + * The `Tech` to create the `TextTrack`s on. + */ + var jsonToTextTracks = function jsonToTextTracks(json, tech) { + json.forEach(function (track) { + var addedTrack = tech.addRemoteTextTrack(track).track; + + if (!track.src && track.cues) { + track.cues.forEach(function (cue) { + return addedTrack.addCue(cue); + }); + } + }); + + return tech.textTracks(); + }; + + var textTrackConverter = { textTracksToJson: textTracksToJson, jsonToTextTracks: jsonToTextTracks, trackToJson_: trackToJson_ }; + + /** + * @file modal-dialog.js + */ + + var MODAL_CLASS_NAME = 'vjs-modal-dialog'; + var ESC = 27; + + /** + * The `ModalDialog` displays over the video and its controls, which blocks + * interaction with the player until it is closed. + * + * Modal dialogs include a "Close" button and will close when that button + * is activated - or when ESC is pressed anywhere. + * + * @extends Component + */ + + var ModalDialog = function (_Component) { + inherits(ModalDialog, _Component); + + /** + * Create an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + * + * @param {Mixed} [options.content=undefined] + * Provide customized content for this modal. + * + * @param {string} [options.description] + * A text description for the modal, primarily for accessibility. + * + * @param {boolean} [options.fillAlways=false] + * Normally, modals are automatically filled only the first time + * they open. This tells the modal to refresh its content + * every time it opens. + * + * @param {string} [options.label] + * A text label for the modal, primarily for accessibility. + * + * @param {boolean} [options.temporary=true] + * If `true`, the modal can only be opened once; it will be + * disposed as soon as it's closed. + * + * @param {boolean} [options.uncloseable=false] + * If `true`, the user will not be able to close the modal + * through the UI in the normal ways. Programmatic closing is + * still possible. + */ + function ModalDialog(player, options) { + classCallCheck(this, ModalDialog); + + var _this = possibleConstructorReturn(this, _Component.call(this, player, options)); + + _this.opened_ = _this.hasBeenOpened_ = _this.hasBeenFilled_ = false; + + _this.closeable(!_this.options_.uncloseable); + _this.content(_this.options_.content); + + // Make sure the contentEl is defined AFTER any children are initialized + // because we only want the contents of the modal in the contentEl + // (not the UI elements like the close button). + _this.contentEl_ = createEl('div', { + className: MODAL_CLASS_NAME + '-content' + }, { + role: 'document' + }); + + _this.descEl_ = createEl('p', { + className: MODAL_CLASS_NAME + '-description vjs-control-text', + id: _this.el().getAttribute('aria-describedby') + }); + + textContent(_this.descEl_, _this.description()); + _this.el_.appendChild(_this.descEl_); + _this.el_.appendChild(_this.contentEl_); + return _this; + } + + /** + * Create the `ModalDialog`'s DOM element + * + * @return {Element} + * The DOM element that gets created. + */ + + + ModalDialog.prototype.createEl = function createEl$$1() { + return _Component.prototype.createEl.call(this, 'div', { + className: this.buildCSSClass(), + tabIndex: -1 + }, { + 'aria-describedby': this.id() + '_description', + 'aria-hidden': 'true', + 'aria-label': this.label(), + 'role': 'dialog' + }); + }; + + ModalDialog.prototype.dispose = function dispose() { + this.contentEl_ = null; + this.descEl_ = null; + this.previouslyActiveEl_ = null; + + _Component.prototype.dispose.call(this); + }; + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + ModalDialog.prototype.buildCSSClass = function buildCSSClass() { + return MODAL_CLASS_NAME + ' vjs-hidden ' + _Component.prototype.buildCSSClass.call(this); + }; + + /** + * Handles `keydown` events on the document, looking for ESC, which closes + * the modal. + * + * @param {EventTarget~Event} e + * The keypress that triggered this event. + * + * @listens keydown + */ + + + ModalDialog.prototype.handleKeyPress = function handleKeyPress(e) { + if (e.which === ESC && this.closeable()) { + this.close(); + } + }; + + /** + * Returns the label string for this modal. Primarily used for accessibility. + * + * @return {string} + * the localized or raw label of this modal. + */ + + + ModalDialog.prototype.label = function label() { + return this.localize(this.options_.label || 'Modal Window'); + }; + + /** + * Returns the description string for this modal. Primarily used for + * accessibility. + * + * @return {string} + * The localized or raw description of this modal. + */ + + + ModalDialog.prototype.description = function description() { + var desc = this.options_.description || this.localize('This is a modal window.'); + + // Append a universal closeability message if the modal is closeable. + if (this.closeable()) { + desc += ' ' + this.localize('This modal can be closed by pressing the Escape key or activating the close button.'); + } + + return desc; + }; + + /** + * Opens the modal. + * + * @fires ModalDialog#beforemodalopen + * @fires ModalDialog#modalopen + */ + + + ModalDialog.prototype.open = function open() { + if (!this.opened_) { + var player = this.player(); + + /** + * Fired just before a `ModalDialog` is opened. + * + * @event ModalDialog#beforemodalopen + * @type {EventTarget~Event} + */ + this.trigger('beforemodalopen'); + this.opened_ = true; + + // Fill content if the modal has never opened before and + // never been filled. + if (this.options_.fillAlways || !this.hasBeenOpened_ && !this.hasBeenFilled_) { + this.fill(); + } + + // If the player was playing, pause it and take note of its previously + // playing state. + this.wasPlaying_ = !player.paused(); + + if (this.options_.pauseOnOpen && this.wasPlaying_) { + player.pause(); + } + + if (this.closeable()) { + this.on(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress)); + } + + // Hide controls and note if they were enabled. + this.hadControls_ = player.controls(); + player.controls(false); + + this.show(); + this.conditionalFocus_(); + this.el().setAttribute('aria-hidden', 'false'); + + /** + * Fired just after a `ModalDialog` is opened. + * + * @event ModalDialog#modalopen + * @type {EventTarget~Event} + */ + this.trigger('modalopen'); + this.hasBeenOpened_ = true; + } + }; + + /** + * If the `ModalDialog` is currently open or closed. + * + * @param {boolean} [value] + * If given, it will open (`true`) or close (`false`) the modal. + * + * @return {boolean} + * the current open state of the modaldialog + */ + + + ModalDialog.prototype.opened = function opened(value) { + if (typeof value === 'boolean') { + this[value ? 'open' : 'close'](); + } + return this.opened_; + }; + + /** + * Closes the modal, does nothing if the `ModalDialog` is + * not open. + * + * @fires ModalDialog#beforemodalclose + * @fires ModalDialog#modalclose + */ + + + ModalDialog.prototype.close = function close() { + if (!this.opened_) { + return; + } + var player = this.player(); + + /** + * Fired just before a `ModalDialog` is closed. + * + * @event ModalDialog#beforemodalclose + * @type {EventTarget~Event} + */ + this.trigger('beforemodalclose'); + this.opened_ = false; + + if (this.wasPlaying_ && this.options_.pauseOnOpen) { + player.play(); + } + + if (this.closeable()) { + this.off(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress)); + } + + if (this.hadControls_) { + player.controls(true); + } + + this.hide(); + this.el().setAttribute('aria-hidden', 'true'); + + /** + * Fired just after a `ModalDialog` is closed. + * + * @event ModalDialog#modalclose + * @type {EventTarget~Event} + */ + this.trigger('modalclose'); + this.conditionalBlur_(); + + if (this.options_.temporary) { + this.dispose(); + } + }; + + /** + * Check to see if the `ModalDialog` is closeable via the UI. + * + * @param {boolean} [value] + * If given as a boolean, it will set the `closeable` option. + * + * @return {boolean} + * Returns the final value of the closable option. + */ + + + ModalDialog.prototype.closeable = function closeable(value) { + if (typeof value === 'boolean') { + var closeable = this.closeable_ = !!value; + var close = this.getChild('closeButton'); + + // If this is being made closeable and has no close button, add one. + if (closeable && !close) { + + // The close button should be a child of the modal - not its + // content element, so temporarily change the content element. + var temp = this.contentEl_; + + this.contentEl_ = this.el_; + close = this.addChild('closeButton', { controlText: 'Close Modal Dialog' }); + this.contentEl_ = temp; + this.on(close, 'close', this.close); + } + + // If this is being made uncloseable and has a close button, remove it. + if (!closeable && close) { + this.off(close, 'close', this.close); + this.removeChild(close); + close.dispose(); + } + } + return this.closeable_; + }; + + /** + * Fill the modal's content element with the modal's "content" option. + * The content element will be emptied before this change takes place. + */ + + + ModalDialog.prototype.fill = function fill() { + this.fillWith(this.content()); + }; + + /** + * Fill the modal's content element with arbitrary content. + * The content element will be emptied before this change takes place. + * + * @fires ModalDialog#beforemodalfill + * @fires ModalDialog#modalfill + * + * @param {Mixed} [content] + * The same rules apply to this as apply to the `content` option. + */ + + + ModalDialog.prototype.fillWith = function fillWith(content) { + var contentEl = this.contentEl(); + var parentEl = contentEl.parentNode; + var nextSiblingEl = contentEl.nextSibling; + + /** + * Fired just before a `ModalDialog` is filled with content. + * + * @event ModalDialog#beforemodalfill + * @type {EventTarget~Event} + */ + this.trigger('beforemodalfill'); + this.hasBeenFilled_ = true; + + // Detach the content element from the DOM before performing + // manipulation to avoid modifying the live DOM multiple times. + parentEl.removeChild(contentEl); + this.empty(); + insertContent(contentEl, content); + /** + * Fired just after a `ModalDialog` is filled with content. + * + * @event ModalDialog#modalfill + * @type {EventTarget~Event} + */ + this.trigger('modalfill'); + + // Re-inject the re-filled content element. + if (nextSiblingEl) { + parentEl.insertBefore(contentEl, nextSiblingEl); + } else { + parentEl.appendChild(contentEl); + } + + // make sure that the close button is last in the dialog DOM + var closeButton = this.getChild('closeButton'); + + if (closeButton) { + parentEl.appendChild(closeButton.el_); + } + }; + + /** + * Empties the content element. This happens anytime the modal is filled. + * + * @fires ModalDialog#beforemodalempty + * @fires ModalDialog#modalempty + */ + + + ModalDialog.prototype.empty = function empty() { + /** + * Fired just before a `ModalDialog` is emptied. + * + * @event ModalDialog#beforemodalempty + * @type {EventTarget~Event} + */ + this.trigger('beforemodalempty'); + emptyEl(this.contentEl()); + + /** + * Fired just after a `ModalDialog` is emptied. + * + * @event ModalDialog#modalempty + * @type {EventTarget~Event} + */ + this.trigger('modalempty'); + }; + + /** + * Gets or sets the modal content, which gets normalized before being + * rendered into the DOM. + * + * This does not update the DOM or fill the modal, but it is called during + * that process. + * + * @param {Mixed} [value] + * If defined, sets the internal content value to be used on the + * next call(s) to `fill`. This value is normalized before being + * inserted. To "clear" the internal content value, pass `null`. + * + * @return {Mixed} + * The current content of the modal dialog + */ + + + ModalDialog.prototype.content = function content(value) { + if (typeof value !== 'undefined') { + this.content_ = value; + } + return this.content_; + }; + + /** + * conditionally focus the modal dialog if focus was previously on the player. + * + * @private + */ + + + ModalDialog.prototype.conditionalFocus_ = function conditionalFocus_() { + var activeEl = document_1.activeElement; + var playerEl = this.player_.el_; + + this.previouslyActiveEl_ = null; + + if (playerEl.contains(activeEl) || playerEl === activeEl) { + this.previouslyActiveEl_ = activeEl; + + this.focus(); + + this.on(document_1, 'keydown', this.handleKeyDown); + } + }; + + /** + * conditionally blur the element and refocus the last focused element + * + * @private + */ + + + ModalDialog.prototype.conditionalBlur_ = function conditionalBlur_() { + if (this.previouslyActiveEl_) { + this.previouslyActiveEl_.focus(); + this.previouslyActiveEl_ = null; + } + + this.off(document_1, 'keydown', this.handleKeyDown); + }; + + /** + * Keydown handler. Attached when modal is focused. + * + * @listens keydown + */ + + + ModalDialog.prototype.handleKeyDown = function handleKeyDown(event) { + // exit early if it isn't a tab key + if (event.which !== 9) { + return; + } + + var focusableEls = this.focusableEls_(); + var activeEl = this.el_.querySelector(':focus'); + var focusIndex = void 0; + + for (var i = 0; i < focusableEls.length; i++) { + if (activeEl === focusableEls[i]) { + focusIndex = i; + break; + } + } + + if (document_1.activeElement === this.el_) { + focusIndex = 0; + } + + if (event.shiftKey && focusIndex === 0) { + focusableEls[focusableEls.length - 1].focus(); + event.preventDefault(); + } else if (!event.shiftKey && focusIndex === focusableEls.length - 1) { + focusableEls[0].focus(); + event.preventDefault(); + } + }; + + /** + * get all focusable elements + * + * @private + */ + + + ModalDialog.prototype.focusableEls_ = function focusableEls_() { + var allChildren = this.el_.querySelectorAll('*'); + + return Array.prototype.filter.call(allChildren, function (child) { + return (child instanceof window_1.HTMLAnchorElement || child instanceof window_1.HTMLAreaElement) && child.hasAttribute('href') || (child instanceof window_1.HTMLInputElement || child instanceof window_1.HTMLSelectElement || child instanceof window_1.HTMLTextAreaElement || child instanceof window_1.HTMLButtonElement) && !child.hasAttribute('disabled') || child instanceof window_1.HTMLIFrameElement || child instanceof window_1.HTMLObjectElement || child instanceof window_1.HTMLEmbedElement || child.hasAttribute('tabindex') && child.getAttribute('tabindex') !== -1 || child.hasAttribute('contenteditable'); + }); + }; + + return ModalDialog; + }(Component); + + /** + * Default options for `ModalDialog` default options. + * + * @type {Object} + * @private + */ + + + ModalDialog.prototype.options_ = { + pauseOnOpen: true, + temporary: true + }; + + Component.registerComponent('ModalDialog', ModalDialog); + + /** + * @file track-list.js + */ + + /** + * Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and + * {@link VideoTrackList} + * + * @extends EventTarget + */ + + var TrackList = function (_EventTarget) { + inherits(TrackList, _EventTarget); + + /** + * Create an instance of this class + * + * @param {Track[]} tracks + * A list of tracks to initialize the list with. + * + * @abstract + */ + function TrackList() { + var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : []; + classCallCheck(this, TrackList); + + var _this = possibleConstructorReturn(this, _EventTarget.call(this)); + + _this.tracks_ = []; + + /** + * @memberof TrackList + * @member {number} length + * The current number of `Track`s in the this Trackist. + * @instance + */ + Object.defineProperty(_this, 'length', { + get: function get$$1() { + return this.tracks_.length; + } + }); + + for (var i = 0; i < tracks.length; i++) { + _this.addTrack(tracks[i]); + } + return _this; + } + + /** + * Add a {@link Track} to the `TrackList` + * + * @param {Track} track + * The audio, video, or text track to add to the list. + * + * @fires TrackList#addtrack + */ + + + TrackList.prototype.addTrack = function addTrack(track) { + var index = this.tracks_.length; + + if (!('' + index in this)) { + Object.defineProperty(this, index, { + get: function get$$1() { + return this.tracks_[index]; + } + }); + } + + // Do not add duplicate tracks + if (this.tracks_.indexOf(track) === -1) { + this.tracks_.push(track); + /** + * Triggered when a track is added to a track list. + * + * @event TrackList#addtrack + * @type {EventTarget~Event} + * @property {Track} track + * A reference to track that was added. + */ + this.trigger({ + track: track, + type: 'addtrack' + }); + } + }; + + /** + * Remove a {@link Track} from the `TrackList` + * + * @param {Track} rtrack + * The audio, video, or text track to remove from the list. + * + * @fires TrackList#removetrack + */ + + + TrackList.prototype.removeTrack = function removeTrack(rtrack) { + var track = void 0; + + for (var i = 0, l = this.length; i < l; i++) { + if (this[i] === rtrack) { + track = this[i]; + if (track.off) { + track.off(); + } + + this.tracks_.splice(i, 1); + + break; + } + } + + if (!track) { + return; + } + + /** + * Triggered when a track is removed from track list. + * + * @event TrackList#removetrack + * @type {EventTarget~Event} + * @property {Track} track + * A reference to track that was removed. + */ + this.trigger({ + track: track, + type: 'removetrack' + }); + }; + + /** + * Get a Track from the TrackList by a tracks id + * + * @param {String} id - the id of the track to get + * @method getTrackById + * @return {Track} + * @private + */ + + + TrackList.prototype.getTrackById = function getTrackById(id) { + var result = null; + + for (var i = 0, l = this.length; i < l; i++) { + var track = this[i]; + + if (track.id === id) { + result = track; + break; + } + } + + return result; + }; + + return TrackList; + }(EventTarget); + + /** + * Triggered when a different track is selected/enabled. + * + * @event TrackList#change + * @type {EventTarget~Event} + */ + + /** + * Events that can be called with on + eventName. See {@link EventHandler}. + * + * @property {Object} TrackList#allowedEvents_ + * @private + */ + + + TrackList.prototype.allowedEvents_ = { + change: 'change', + addtrack: 'addtrack', + removetrack: 'removetrack' + }; + + // emulate attribute EventHandler support to allow for feature detection + for (var event in TrackList.prototype.allowedEvents_) { + TrackList.prototype['on' + event] = null; + } + + /** + * @file audio-track-list.js + */ + + /** + * Anywhere we call this function we diverge from the spec + * as we only support one enabled audiotrack at a time + * + * @param {AudioTrackList} list + * list to work on + * + * @param {AudioTrack} track + * The track to skip + * + * @private + */ + var disableOthers = function disableOthers(list, track) { + for (var i = 0; i < list.length; i++) { + if (!Object.keys(list[i]).length || track.id === list[i].id) { + continue; + } + // another audio track is enabled, disable it + list[i].enabled = false; + } + }; + + /** + * The current list of {@link AudioTrack} for a media file. + * + * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist} + * @extends TrackList + */ + + var AudioTrackList = function (_TrackList) { + inherits(AudioTrackList, _TrackList); + + /** + * Create an instance of this class. + * + * @param {AudioTrack[]} [tracks=[]] + * A list of `AudioTrack` to instantiate the list with. + */ + function AudioTrackList() { + var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : []; + classCallCheck(this, AudioTrackList); + + // make sure only 1 track is enabled + // sorted from last index to first index + for (var i = tracks.length - 1; i >= 0; i--) { + if (tracks[i].enabled) { + disableOthers(tracks, tracks[i]); + break; + } + } + + var _this = possibleConstructorReturn(this, _TrackList.call(this, tracks)); + + _this.changing_ = false; + return _this; + } + + /** + * Add an {@link AudioTrack} to the `AudioTrackList`. + * + * @param {AudioTrack} track + * The AudioTrack to add to the list + * + * @fires TrackList#addtrack + */ + + + AudioTrackList.prototype.addTrack = function addTrack(track) { + var _this2 = this; + + if (track.enabled) { + disableOthers(this, track); + } + + _TrackList.prototype.addTrack.call(this, track); + // native tracks don't have this + if (!track.addEventListener) { + return; + } + + /** + * @listens AudioTrack#enabledchange + * @fires TrackList#change + */ + track.addEventListener('enabledchange', function () { + // when we are disabling other tracks (since we don't support + // more than one track at a time) we will set changing_ + // to true so that we don't trigger additional change events + if (_this2.changing_) { + return; + } + _this2.changing_ = true; + disableOthers(_this2, track); + _this2.changing_ = false; + _this2.trigger('change'); + }); + }; + + return AudioTrackList; + }(TrackList); + + /** + * @file video-track-list.js + */ + + /** + * Un-select all other {@link VideoTrack}s that are selected. + * + * @param {VideoTrackList} list + * list to work on + * + * @param {VideoTrack} track + * The track to skip + * + * @private + */ + var disableOthers$1 = function disableOthers(list, track) { + for (var i = 0; i < list.length; i++) { + if (!Object.keys(list[i]).length || track.id === list[i].id) { + continue; + } + // another video track is enabled, disable it + list[i].selected = false; + } + }; + + /** + * The current list of {@link VideoTrack} for a video. + * + * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist} + * @extends TrackList + */ + + var VideoTrackList = function (_TrackList) { + inherits(VideoTrackList, _TrackList); + + /** + * Create an instance of this class. + * + * @param {VideoTrack[]} [tracks=[]] + * A list of `VideoTrack` to instantiate the list with. + */ + function VideoTrackList() { + var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : []; + classCallCheck(this, VideoTrackList); + + // make sure only 1 track is enabled + // sorted from last index to first index + for (var i = tracks.length - 1; i >= 0; i--) { + if (tracks[i].selected) { + disableOthers$1(tracks, tracks[i]); + break; + } + } + + var _this = possibleConstructorReturn(this, _TrackList.call(this, tracks)); + + _this.changing_ = false; + + /** + * @member {number} VideoTrackList#selectedIndex + * The current index of the selected {@link VideoTrack`}. + */ + Object.defineProperty(_this, 'selectedIndex', { + get: function get$$1() { + for (var _i = 0; _i < this.length; _i++) { + if (this[_i].selected) { + return _i; + } + } + return -1; + }, + set: function set$$1() {} + }); + return _this; + } + + /** + * Add a {@link VideoTrack} to the `VideoTrackList`. + * + * @param {VideoTrack} track + * The VideoTrack to add to the list + * + * @fires TrackList#addtrack + */ + + + VideoTrackList.prototype.addTrack = function addTrack(track) { + var _this2 = this; + + if (track.selected) { + disableOthers$1(this, track); + } + + _TrackList.prototype.addTrack.call(this, track); + // native tracks don't have this + if (!track.addEventListener) { + return; + } + + /** + * @listens VideoTrack#selectedchange + * @fires TrackList#change + */ + track.addEventListener('selectedchange', function () { + if (_this2.changing_) { + return; + } + _this2.changing_ = true; + disableOthers$1(_this2, track); + _this2.changing_ = false; + _this2.trigger('change'); + }); + }; + + return VideoTrackList; + }(TrackList); + + /** + * @file text-track-list.js + */ + + /** + * The current list of {@link TextTrack} for a media file. + * + * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttracklist} + * @extends TrackList + */ + + var TextTrackList = function (_TrackList) { + inherits(TextTrackList, _TrackList); + + function TextTrackList() { + classCallCheck(this, TextTrackList); + return possibleConstructorReturn(this, _TrackList.apply(this, arguments)); + } + + /** + * Add a {@link TextTrack} to the `TextTrackList` + * + * @param {TextTrack} track + * The text track to add to the list. + * + * @fires TrackList#addtrack + */ + TextTrackList.prototype.addTrack = function addTrack(track) { + _TrackList.prototype.addTrack.call(this, track); + + /** + * @listens TextTrack#modechange + * @fires TrackList#change + */ + track.addEventListener('modechange', bind(this, function () { + this.queueTrigger('change'); + })); + + var nonLanguageTextTrackKind = ['metadata', 'chapters']; + + if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) { + track.addEventListener('modechange', bind(this, function () { + this.trigger('selectedlanguagechange'); + })); + } + }; + + return TextTrackList; + }(TrackList); + + /** + * @file html-track-element-list.js + */ + + /** + * The current list of {@link HtmlTrackElement}s. + */ + var HtmlTrackElementList = function () { + + /** + * Create an instance of this class. + * + * @param {HtmlTrackElement[]} [tracks=[]] + * A list of `HtmlTrackElement` to instantiate the list with. + */ + function HtmlTrackElementList() { + var trackElements = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : []; + classCallCheck(this, HtmlTrackElementList); + + this.trackElements_ = []; + + /** + * @memberof HtmlTrackElementList + * @member {number} length + * The current number of `Track`s in the this Trackist. + * @instance + */ + Object.defineProperty(this, 'length', { + get: function get$$1() { + return this.trackElements_.length; + } + }); + + for (var i = 0, length = trackElements.length; i < length; i++) { + this.addTrackElement_(trackElements[i]); + } + } + + /** + * Add an {@link HtmlTrackElement} to the `HtmlTrackElementList` + * + * @param {HtmlTrackElement} trackElement + * The track element to add to the list. + * + * @private + */ + + + HtmlTrackElementList.prototype.addTrackElement_ = function addTrackElement_(trackElement) { + var index = this.trackElements_.length; + + if (!('' + index in this)) { + Object.defineProperty(this, index, { + get: function get$$1() { + return this.trackElements_[index]; + } + }); + } + + // Do not add duplicate elements + if (this.trackElements_.indexOf(trackElement) === -1) { + this.trackElements_.push(trackElement); + } + }; + + /** + * Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an + * {@link TextTrack}. + * + * @param {TextTrack} track + * The track associated with a track element. + * + * @return {HtmlTrackElement|undefined} + * The track element that was found or undefined. + * + * @private + */ + + + HtmlTrackElementList.prototype.getTrackElementByTrack_ = function getTrackElementByTrack_(track) { + var trackElement_ = void 0; + + for (var i = 0, length = this.trackElements_.length; i < length; i++) { + if (track === this.trackElements_[i].track) { + trackElement_ = this.trackElements_[i]; + + break; + } + } + + return trackElement_; + }; + + /** + * Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList` + * + * @param {HtmlTrackElement} trackElement + * The track element to remove from the list. + * + * @private + */ + + + HtmlTrackElementList.prototype.removeTrackElement_ = function removeTrackElement_(trackElement) { + for (var i = 0, length = this.trackElements_.length; i < length; i++) { + if (trackElement === this.trackElements_[i]) { + this.trackElements_.splice(i, 1); + + break; + } + } + }; + + return HtmlTrackElementList; + }(); + + /** + * @file text-track-cue-list.js + */ + + /** + * @typedef {Object} TextTrackCueList~TextTrackCue + * + * @property {string} id + * The unique id for this text track cue + * + * @property {number} startTime + * The start time for this text track cue + * + * @property {number} endTime + * The end time for this text track cue + * + * @property {boolean} pauseOnExit + * Pause when the end time is reached if true. + * + * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcue} + */ + + /** + * A List of TextTrackCues. + * + * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcuelist} + */ + var TextTrackCueList = function () { + + /** + * Create an instance of this class.. + * + * @param {Array} cues + * A list of cues to be initialized with + */ + function TextTrackCueList(cues) { + classCallCheck(this, TextTrackCueList); + + TextTrackCueList.prototype.setCues_.call(this, cues); + + /** + * @memberof TextTrackCueList + * @member {number} length + * The current number of `TextTrackCue`s in the TextTrackCueList. + * @instance + */ + Object.defineProperty(this, 'length', { + get: function get$$1() { + return this.length_; + } + }); + } + + /** + * A setter for cues in this list. Creates getters + * an an index for the cues. + * + * @param {Array} cues + * An array of cues to set + * + * @private + */ + + + TextTrackCueList.prototype.setCues_ = function setCues_(cues) { + var oldLength = this.length || 0; + var i = 0; + var l = cues.length; + + this.cues_ = cues; + this.length_ = cues.length; + + var defineProp = function defineProp(index) { + if (!('' + index in this)) { + Object.defineProperty(this, '' + index, { + get: function get$$1() { + return this.cues_[index]; + } + }); + } + }; + + if (oldLength < l) { + i = oldLength; + + for (; i < l; i++) { + defineProp.call(this, i); + } + } + }; + + /** + * Get a `TextTrackCue` that is currently in the `TextTrackCueList` by id. + * + * @param {string} id + * The id of the cue that should be searched for. + * + * @return {TextTrackCueList~TextTrackCue|null} + * A single cue or null if none was found. + */ + + + TextTrackCueList.prototype.getCueById = function getCueById(id) { + var result = null; + + for (var i = 0, l = this.length; i < l; i++) { + var cue = this[i]; + + if (cue.id === id) { + result = cue; + break; + } + } + + return result; + }; + + return TextTrackCueList; + }(); + + /** + * @file track-kinds.js + */ + + /** + * All possible `VideoTrackKind`s + * + * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-videotrack-kind + * @typedef VideoTrack~Kind + * @enum + */ + var VideoTrackKind = { + alternative: 'alternative', + captions: 'captions', + main: 'main', + sign: 'sign', + subtitles: 'subtitles', + commentary: 'commentary' + }; + + /** + * All possible `AudioTrackKind`s + * + * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-audiotrack-kind + * @typedef AudioTrack~Kind + * @enum + */ + var AudioTrackKind = { + 'alternative': 'alternative', + 'descriptions': 'descriptions', + 'main': 'main', + 'main-desc': 'main-desc', + 'translation': 'translation', + 'commentary': 'commentary' + }; + + /** + * All possible `TextTrackKind`s + * + * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-texttrack-kind + * @typedef TextTrack~Kind + * @enum + */ + var TextTrackKind = { + subtitles: 'subtitles', + captions: 'captions', + descriptions: 'descriptions', + chapters: 'chapters', + metadata: 'metadata' + }; + + /** + * All possible `TextTrackMode`s + * + * @see https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackmode + * @typedef TextTrack~Mode + * @enum + */ + var TextTrackMode = { + disabled: 'disabled', + hidden: 'hidden', + showing: 'showing' + }; + + /** + * @file track.js + */ + + /** + * A Track class that contains all of the common functionality for {@link AudioTrack}, + * {@link VideoTrack}, and {@link TextTrack}. + * + * > Note: This class should not be used directly + * + * @see {@link https://html.spec.whatwg.org/multipage/embedded-content.html} + * @extends EventTarget + * @abstract + */ + + var Track = function (_EventTarget) { + inherits(Track, _EventTarget); + + /** + * Create an instance of this class. + * + * @param {Object} [options={}] + * Object of option names and values + * + * @param {string} [options.kind=''] + * A valid kind for the track type you are creating. + * + * @param {string} [options.id='vjs_track_' + Guid.newGUID()] + * A unique id for this AudioTrack. + * + * @param {string} [options.label=''] + * The menu label for this track. + * + * @param {string} [options.language=''] + * A valid two character language code. + * + * @abstract + */ + function Track() { + var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + classCallCheck(this, Track); + + var _this = possibleConstructorReturn(this, _EventTarget.call(this)); + + var trackProps = { + id: options.id || 'vjs_track_' + newGUID(), + kind: options.kind || '', + label: options.label || '', + language: options.language || '' + }; + + /** + * @memberof Track + * @member {string} id + * The id of this track. Cannot be changed after creation. + * @instance + * + * @readonly + */ + + /** + * @memberof Track + * @member {string} kind + * The kind of track that this is. Cannot be changed after creation. + * @instance + * + * @readonly + */ + + /** + * @memberof Track + * @member {string} label + * The label of this track. Cannot be changed after creation. + * @instance + * + * @readonly + */ + + /** + * @memberof Track + * @member {string} language + * The two letter language code for this track. Cannot be changed after + * creation. + * @instance + * + * @readonly + */ + + var _loop = function _loop(key) { + Object.defineProperty(_this, key, { + get: function get$$1() { + return trackProps[key]; + }, + set: function set$$1() {} + }); + }; + + for (var key in trackProps) { + _loop(key); + } + return _this; + } + + return Track; + }(EventTarget); + + /** + * @file url.js + * @module url + */ + + /** + * @typedef {Object} url:URLObject + * + * @property {string} protocol + * The protocol of the url that was parsed. + * + * @property {string} hostname + * The hostname of the url that was parsed. + * + * @property {string} port + * The port of the url that was parsed. + * + * @property {string} pathname + * The pathname of the url that was parsed. + * + * @property {string} search + * The search query of the url that was parsed. + * + * @property {string} hash + * The hash of the url that was parsed. + * + * @property {string} host + * The host of the url that was parsed. + */ + + /** + * Resolve and parse the elements of a URL. + * + * @param {String} url + * The url to parse + * + * @return {url:URLObject} + * An object of url details + */ + var parseUrl = function parseUrl(url) { + var props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host']; + + // add the url to an anchor and let the browser parse the URL + var a = document_1.createElement('a'); + + a.href = url; + + // IE8 (and 9?) Fix + // ie8 doesn't parse the URL correctly until the anchor is actually + // added to the body, and an innerHTML is needed to trigger the parsing + var addToBody = a.host === '' && a.protocol !== 'file:'; + var div = void 0; + + if (addToBody) { + div = document_1.createElement('div'); + div.innerHTML = '<a href="' + url + '"></a>'; + a = div.firstChild; + // prevent the div from affecting layout + div.setAttribute('style', 'display:none; position:absolute;'); + document_1.body.appendChild(div); + } + + // Copy the specific URL properties to a new object + // This is also needed for IE8 because the anchor loses its + // properties when it's removed from the dom + var details = {}; + + for (var i = 0; i < props.length; i++) { + details[props[i]] = a[props[i]]; + } + + // IE9 adds the port to the host property unlike everyone else. If + // a port identifier is added for standard ports, strip it. + if (details.protocol === 'http:') { + details.host = details.host.replace(/:80$/, ''); + } + + if (details.protocol === 'https:') { + details.host = details.host.replace(/:443$/, ''); + } + + if (!details.protocol) { + details.protocol = window_1.location.protocol; + } + + if (addToBody) { + document_1.body.removeChild(div); + } + + return details; + }; + + /** + * Get absolute version of relative URL. Used to tell flash correct URL. + * + * + * @param {string} url + * URL to make absolute + * + * @return {string} + * Absolute URL + * + * @see http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue + */ + var getAbsoluteURL = function getAbsoluteURL(url) { + // Check if absolute URL + if (!url.match(/^https?:\/\//)) { + // Convert to absolute URL. Flash hosted off-site needs an absolute URL. + var div = document_1.createElement('div'); + + div.innerHTML = '<a href="' + url + '">x</a>'; + url = div.firstChild.href; + } + + return url; + }; + + /** + * Returns the extension of the passed file name. It will return an empty string + * if passed an invalid path. + * + * @param {string} path + * The fileName path like '/path/to/file.mp4' + * + * @returns {string} + * The extension in lower case or an empty string if no + * extension could be found. + */ + var getFileExtension = function getFileExtension(path) { + if (typeof path === 'string') { + var splitPathRe = /^(\/?)([\s\S]*?)((?:\.{1,2}|[^\/]+?)(\.([^\.\/\?]+)))(?:[\/]*|[\?].*)$/i; + var pathParts = splitPathRe.exec(path); + + if (pathParts) { + return pathParts.pop().toLowerCase(); + } + } + + return ''; + }; + + /** + * Returns whether the url passed is a cross domain request or not. + * + * @param {string} url + * The url to check. + * + * @return {boolean} + * Whether it is a cross domain request or not. + */ + var isCrossOrigin = function isCrossOrigin(url) { + var winLoc = window_1.location; + var urlInfo = parseUrl(url); + + // IE8 protocol relative urls will return ':' for protocol + var srcProtocol = urlInfo.protocol === ':' ? winLoc.protocol : urlInfo.protocol; + + // Check if url is for another domain/origin + // IE8 doesn't know location.origin, so we won't rely on it here + var crossOrigin = srcProtocol + urlInfo.host !== winLoc.protocol + winLoc.host; + + return crossOrigin; + }; + + var Url = /*#__PURE__*/Object.freeze({ + parseUrl: parseUrl, + getAbsoluteURL: getAbsoluteURL, + getFileExtension: getFileExtension, + isCrossOrigin: isCrossOrigin + }); + + var isFunction_1 = isFunction; + + var toString$1 = Object.prototype.toString; + + function isFunction(fn) { + var string = toString$1.call(fn); + return string === '[object Function]' || typeof fn === 'function' && string !== '[object RegExp]' || typeof window !== 'undefined' && ( + // IE8 and below + fn === window.setTimeout || fn === window.alert || fn === window.confirm || fn === window.prompt); + } + + var trim_1 = createCommonjsModule(function (module, exports) { + exports = module.exports = trim; + + function trim(str) { + return str.replace(/^\s*|\s*$/g, ''); + } + + exports.left = function (str) { + return str.replace(/^\s*/, ''); + }; + + exports.right = function (str) { + return str.replace(/\s*$/, ''); + }; + }); + var trim_2 = trim_1.left; + var trim_3 = trim_1.right; + + var forEach_1 = forEach; + + var toString$2 = Object.prototype.toString; + var hasOwnProperty = Object.prototype.hasOwnProperty; + + function forEach(list, iterator, context) { + if (!isFunction_1(iterator)) { + throw new TypeError('iterator must be a function'); + } + + if (arguments.length < 3) { + context = this; + } + + if (toString$2.call(list) === '[object Array]') forEachArray(list, iterator, context);else if (typeof list === 'string') forEachString(list, iterator, context);else forEachObject(list, iterator, context); + } + + function forEachArray(array, iterator, context) { + for (var i = 0, len = array.length; i < len; i++) { + if (hasOwnProperty.call(array, i)) { + iterator.call(context, array[i], i, array); + } + } + } + + function forEachString(string, iterator, context) { + for (var i = 0, len = string.length; i < len; i++) { + // no such thing as a sparse string. + iterator.call(context, string.charAt(i), i, string); + } + } + + function forEachObject(object, iterator, context) { + for (var k in object) { + if (hasOwnProperty.call(object, k)) { + iterator.call(context, object[k], k, object); + } + } + } + + var isArray = function isArray(arg) { + return Object.prototype.toString.call(arg) === '[object Array]'; + }; + + var parseHeaders = function parseHeaders(headers) { + if (!headers) return {}; + + var result = {}; + + forEach_1(trim_1(headers).split('\n'), function (row) { + var index = row.indexOf(':'), + key = trim_1(row.slice(0, index)).toLowerCase(), + value = trim_1(row.slice(index + 1)); + + if (typeof result[key] === 'undefined') { + result[key] = value; + } else if (isArray(result[key])) { + result[key].push(value); + } else { + result[key] = [result[key], value]; + } + }); + + return result; + }; + + var immutable = extend; + + var hasOwnProperty$1 = Object.prototype.hasOwnProperty; + + function extend() { + var target = {}; + + for (var i = 0; i < arguments.length; i++) { + var source = arguments[i]; + + for (var key in source) { + if (hasOwnProperty$1.call(source, key)) { + target[key] = source[key]; + } + } + } + + return target; + } + + var xhr = createXHR; + createXHR.XMLHttpRequest = window_1.XMLHttpRequest || noop; + createXHR.XDomainRequest = "withCredentials" in new createXHR.XMLHttpRequest() ? createXHR.XMLHttpRequest : window_1.XDomainRequest; + + forEachArray$1(["get", "put", "post", "patch", "head", "delete"], function (method) { + createXHR[method === "delete" ? "del" : method] = function (uri, options, callback) { + options = initParams(uri, options, callback); + options.method = method.toUpperCase(); + return _createXHR(options); + }; + }); + + function forEachArray$1(array, iterator) { + for (var i = 0; i < array.length; i++) { + iterator(array[i]); + } + } + + function isEmpty(obj) { + for (var i in obj) { + if (obj.hasOwnProperty(i)) return false; + } + return true; + } + + function initParams(uri, options, callback) { + var params = uri; + + if (isFunction_1(options)) { + callback = options; + if (typeof uri === "string") { + params = { uri: uri }; + } + } else { + params = immutable(options, { uri: uri }); + } + + params.callback = callback; + return params; + } + + function createXHR(uri, options, callback) { + options = initParams(uri, options, callback); + return _createXHR(options); + } + + function _createXHR(options) { + if (typeof options.callback === "undefined") { + throw new Error("callback argument missing"); + } + + var called = false; + var callback = function cbOnce(err, response, body) { + if (!called) { + called = true; + options.callback(err, response, body); + } + }; + + function readystatechange() { + if (xhr.readyState === 4) { + setTimeout(loadFunc, 0); + } + } + + function getBody() { + // Chrome with requestType=blob throws errors arround when even testing access to responseText + var body = undefined; + + if (xhr.response) { + body = xhr.response; + } else { + body = xhr.responseText || getXml(xhr); + } + + if (isJson) { + try { + body = JSON.parse(body); + } catch (e) {} + } + + return body; + } + + function errorFunc(evt) { + clearTimeout(timeoutTimer); + if (!(evt instanceof Error)) { + evt = new Error("" + (evt || "Unknown XMLHttpRequest Error")); + } + evt.statusCode = 0; + return callback(evt, failureResponse); + } + + // will load the data & process the response in a special response object + function loadFunc() { + if (aborted) return; + var status; + clearTimeout(timeoutTimer); + if (options.useXDR && xhr.status === undefined) { + //IE8 CORS GET successful response doesn't have a status field, but body is fine + status = 200; + } else { + status = xhr.status === 1223 ? 204 : xhr.status; + } + var response = failureResponse; + var err = null; + + if (status !== 0) { + response = { + body: getBody(), + statusCode: status, + method: method, + headers: {}, + url: uri, + rawRequest: xhr + }; + if (xhr.getAllResponseHeaders) { + //remember xhr can in fact be XDR for CORS in IE + response.headers = parseHeaders(xhr.getAllResponseHeaders()); + } + } else { + err = new Error("Internal XMLHttpRequest Error"); + } + return callback(err, response, response.body); + } + + var xhr = options.xhr || null; + + if (!xhr) { + if (options.cors || options.useXDR) { + xhr = new createXHR.XDomainRequest(); + } else { + xhr = new createXHR.XMLHttpRequest(); + } + } + + var key; + var aborted; + var uri = xhr.url = options.uri || options.url; + var method = xhr.method = options.method || "GET"; + var body = options.body || options.data; + var headers = xhr.headers = options.headers || {}; + var sync = !!options.sync; + var isJson = false; + var timeoutTimer; + var failureResponse = { + body: undefined, + headers: {}, + statusCode: 0, + method: method, + url: uri, + rawRequest: xhr + }; + + if ("json" in options && options.json !== false) { + isJson = true; + headers["accept"] || headers["Accept"] || (headers["Accept"] = "application/json"); //Don't override existing accept header declared by user + if (method !== "GET" && method !== "HEAD") { + headers["content-type"] || headers["Content-Type"] || (headers["Content-Type"] = "application/json"); //Don't override existing accept header declared by user + body = JSON.stringify(options.json === true ? body : options.json); + } + } + + xhr.onreadystatechange = readystatechange; + xhr.onload = loadFunc; + xhr.onerror = errorFunc; + // IE9 must have onprogress be set to a unique function. + xhr.onprogress = function () { + // IE must die + }; + xhr.onabort = function () { + aborted = true; + }; + xhr.ontimeout = errorFunc; + xhr.open(method, uri, !sync, options.username, options.password); + //has to be after open + if (!sync) { + xhr.withCredentials = !!options.withCredentials; + } + // Cannot set timeout with sync request + // not setting timeout on the xhr object, because of old webkits etc. not handling that correctly + // both npm's request and jquery 1.x use this kind of timeout, so this is being consistent + if (!sync && options.timeout > 0) { + timeoutTimer = setTimeout(function () { + if (aborted) return; + aborted = true; //IE9 may still call readystatechange + xhr.abort("timeout"); + var e = new Error("XMLHttpRequest timeout"); + e.code = "ETIMEDOUT"; + errorFunc(e); + }, options.timeout); + } + + if (xhr.setRequestHeader) { + for (key in headers) { + if (headers.hasOwnProperty(key)) { + xhr.setRequestHeader(key, headers[key]); + } + } + } else if (options.headers && !isEmpty(options.headers)) { + throw new Error("Headers cannot be set on an XDomainRequest object"); + } + + if ("responseType" in options) { + xhr.responseType = options.responseType; + } + + if ("beforeSend" in options && typeof options.beforeSend === "function") { + options.beforeSend(xhr); + } + + // Microsoft Edge browser sends "undefined" when send is called with undefined value. + // XMLHttpRequest spec says to pass null as body to indicate no body + // See https://github.com/naugtur/xhr/issues/100. + xhr.send(body || null); + + return xhr; + } + + function getXml(xhr) { + if (xhr.responseType === "document") { + return xhr.responseXML; + } + var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === "parsererror"; + if (xhr.responseType === "" && !firefoxBugTakenEffect) { + return xhr.responseXML; + } + + return null; + } + + function noop() {} + + /** + * @file text-track.js + */ + + /** + * Takes a webvtt file contents and parses it into cues + * + * @param {string} srcContent + * webVTT file contents + * + * @param {TextTrack} track + * TextTrack to add cues to. Cues come from the srcContent. + * + * @private + */ + var parseCues = function parseCues(srcContent, track) { + var parser = new window_1.WebVTT.Parser(window_1, window_1.vttjs, window_1.WebVTT.StringDecoder()); + var errors = []; + + parser.oncue = function (cue) { + track.addCue(cue); + }; + + parser.onparsingerror = function (error) { + errors.push(error); + }; + + parser.onflush = function () { + track.trigger({ + type: 'loadeddata', + target: track + }); + }; + + parser.parse(srcContent); + if (errors.length > 0) { + if (window_1.console && window_1.console.groupCollapsed) { + window_1.console.groupCollapsed('Text Track parsing errors for ' + track.src); + } + errors.forEach(function (error) { + return log$1.error(error); + }); + if (window_1.console && window_1.console.groupEnd) { + window_1.console.groupEnd(); + } + } + + parser.flush(); + }; + + /** + * Load a `TextTrack` from a specified url. + * + * @param {string} src + * Url to load track from. + * + * @param {TextTrack} track + * Track to add cues to. Comes from the content at the end of `url`. + * + * @private + */ + var loadTrack = function loadTrack(src, track) { + var opts = { + uri: src + }; + var crossOrigin = isCrossOrigin(src); + + if (crossOrigin) { + opts.cors = crossOrigin; + } + + xhr(opts, bind(this, function (err, response, responseBody) { + if (err) { + return log$1.error(err, response); + } + + track.loaded_ = true; + + // Make sure that vttjs has loaded, otherwise, wait till it finished loading + // NOTE: this is only used for the alt/video.novtt.js build + if (typeof window_1.WebVTT !== 'function') { + if (track.tech_) { + var loadHandler = function loadHandler() { + return parseCues(responseBody, track); + }; + + track.tech_.on('vttjsloaded', loadHandler); + track.tech_.on('vttjserror', function () { + log$1.error('vttjs failed to load, stopping trying to process ' + track.src); + track.tech_.off('vttjsloaded', loadHandler); + }); + } + } else { + parseCues(responseBody, track); + } + })); + }; + + /** + * A representation of a single `TextTrack`. + * + * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrack} + * @extends Track + */ + + var TextTrack = function (_Track) { + inherits(TextTrack, _Track); + + /** + * Create an instance of this class. + * + * @param {Object} options={} + * Object of option names and values + * + * @param {Tech} options.tech + * A reference to the tech that owns this TextTrack. + * + * @param {TextTrack~Kind} [options.kind='subtitles'] + * A valid text track kind. + * + * @param {TextTrack~Mode} [options.mode='disabled'] + * A valid text track mode. + * + * @param {string} [options.id='vjs_track_' + Guid.newGUID()] + * A unique id for this TextTrack. + * + * @param {string} [options.label=''] + * The menu label for this track. + * + * @param {string} [options.language=''] + * A valid two character language code. + * + * @param {string} [options.srclang=''] + * A valid two character language code. An alternative, but deprioritized + * version of `options.language` + * + * @param {string} [options.src] + * A url to TextTrack cues. + * + * @param {boolean} [options.default] + * If this track should default to on or off. + */ + function TextTrack() { + var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + classCallCheck(this, TextTrack); + + if (!options.tech) { + throw new Error('A tech was not provided.'); + } + + var settings = mergeOptions(options, { + kind: TextTrackKind[options.kind] || 'subtitles', + language: options.language || options.srclang || '' + }); + var mode = TextTrackMode[settings.mode] || 'disabled'; + var default_ = settings.default; + + if (settings.kind === 'metadata' || settings.kind === 'chapters') { + mode = 'hidden'; + } + + var _this = possibleConstructorReturn(this, _Track.call(this, settings)); + + _this.tech_ = settings.tech; + + _this.cues_ = []; + _this.activeCues_ = []; + + var cues = new TextTrackCueList(_this.cues_); + var activeCues = new TextTrackCueList(_this.activeCues_); + var changed = false; + var timeupdateHandler = bind(_this, function () { + + // Accessing this.activeCues for the side-effects of updating itself + // due to it's nature as a getter function. Do not remove or cues will + // stop updating! + // Use the setter to prevent deletion from uglify (pure_getters rule) + this.activeCues = this.activeCues; + if (changed) { + this.trigger('cuechange'); + changed = false; + } + }); + + if (mode !== 'disabled') { + _this.tech_.ready(function () { + _this.tech_.on('timeupdate', timeupdateHandler); + }, true); + } + + Object.defineProperties(_this, { + /** + * @memberof TextTrack + * @member {boolean} default + * If this track was set to be on or off by default. Cannot be changed after + * creation. + * @instance + * + * @readonly + */ + default: { + get: function get$$1() { + return default_; + }, + set: function set$$1() {} + }, + + /** + * @memberof TextTrack + * @member {string} mode + * Set the mode of this TextTrack to a valid {@link TextTrack~Mode}. Will + * not be set if setting to an invalid mode. + * @instance + * + * @fires TextTrack#modechange + */ + mode: { + get: function get$$1() { + return mode; + }, + set: function set$$1(newMode) { + var _this2 = this; + + if (!TextTrackMode[newMode]) { + return; + } + mode = newMode; + if (mode !== 'disabled') { + this.tech_.ready(function () { + _this2.tech_.on('timeupdate', timeupdateHandler); + }, true); + } else { + this.tech_.off('timeupdate', timeupdateHandler); + } + /** + * An event that fires when mode changes on this track. This allows + * the TextTrackList that holds this track to act accordingly. + * + * > Note: This is not part of the spec! + * + * @event TextTrack#modechange + * @type {EventTarget~Event} + */ + this.trigger('modechange'); + } + }, + + /** + * @memberof TextTrack + * @member {TextTrackCueList} cues + * The text track cue list for this TextTrack. + * @instance + */ + cues: { + get: function get$$1() { + if (!this.loaded_) { + return null; + } + + return cues; + }, + set: function set$$1() {} + }, + + /** + * @memberof TextTrack + * @member {TextTrackCueList} activeCues + * The list text track cues that are currently active for this TextTrack. + * @instance + */ + activeCues: { + get: function get$$1() { + if (!this.loaded_) { + return null; + } + + // nothing to do + if (this.cues.length === 0) { + return activeCues; + } + + var ct = this.tech_.currentTime(); + var active = []; + + for (var i = 0, l = this.cues.length; i < l; i++) { + var cue = this.cues[i]; + + if (cue.startTime <= ct && cue.endTime >= ct) { + active.push(cue); + } else if (cue.startTime === cue.endTime && cue.startTime <= ct && cue.startTime + 0.5 >= ct) { + active.push(cue); + } + } + + changed = false; + + if (active.length !== this.activeCues_.length) { + changed = true; + } else { + for (var _i = 0; _i < active.length; _i++) { + if (this.activeCues_.indexOf(active[_i]) === -1) { + changed = true; + } + } + } + + this.activeCues_ = active; + activeCues.setCues_(this.activeCues_); + + return activeCues; + }, + + + // /!\ Keep this setter empty (see the timeupdate handler above) + set: function set$$1() {} + } + }); + + if (settings.src) { + _this.src = settings.src; + loadTrack(settings.src, _this); + } else { + _this.loaded_ = true; + } + return _this; + } + + /** + * Add a cue to the internal list of cues. + * + * @param {TextTrack~Cue} cue + * The cue to add to our internal list + */ + + + TextTrack.prototype.addCue = function addCue(originalCue) { + var cue = originalCue; + + if (window_1.vttjs && !(originalCue instanceof window_1.vttjs.VTTCue)) { + cue = new window_1.vttjs.VTTCue(originalCue.startTime, originalCue.endTime, originalCue.text); + + for (var prop in originalCue) { + if (!(prop in cue)) { + cue[prop] = originalCue[prop]; + } + } + + // make sure that `id` is copied over + cue.id = originalCue.id; + cue.originalCue_ = originalCue; + } + + var tracks = this.tech_.textTracks(); + + for (var i = 0; i < tracks.length; i++) { + if (tracks[i] !== this) { + tracks[i].removeCue(cue); + } + } + + this.cues_.push(cue); + this.cues.setCues_(this.cues_); + }; + + /** + * Remove a cue from our internal list + * + * @param {TextTrack~Cue} removeCue + * The cue to remove from our internal list + */ + + + TextTrack.prototype.removeCue = function removeCue(_removeCue) { + var i = this.cues_.length; + + while (i--) { + var cue = this.cues_[i]; + + if (cue === _removeCue || cue.originalCue_ && cue.originalCue_ === _removeCue) { + this.cues_.splice(i, 1); + this.cues.setCues_(this.cues_); + break; + } + } + }; + + return TextTrack; + }(Track); + + /** + * cuechange - One or more cues in the track have become active or stopped being active. + */ + + + TextTrack.prototype.allowedEvents_ = { + cuechange: 'cuechange' + }; + + /** + * A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList} + * only one `AudioTrack` in the list will be enabled at a time. + * + * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack} + * @extends Track + */ + + var AudioTrack = function (_Track) { + inherits(AudioTrack, _Track); + + /** + * Create an instance of this class. + * + * @param {Object} [options={}] + * Object of option names and values + * + * @param {AudioTrack~Kind} [options.kind=''] + * A valid audio track kind + * + * @param {string} [options.id='vjs_track_' + Guid.newGUID()] + * A unique id for this AudioTrack. + * + * @param {string} [options.label=''] + * The menu label for this track. + * + * @param {string} [options.language=''] + * A valid two character language code. + * + * @param {boolean} [options.enabled] + * If this track is the one that is currently playing. If this track is part of + * an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled. + */ + function AudioTrack() { + var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + classCallCheck(this, AudioTrack); + + var settings = mergeOptions(options, { + kind: AudioTrackKind[options.kind] || '' + }); + + var _this = possibleConstructorReturn(this, _Track.call(this, settings)); + + var enabled = false; + + /** + * @memberof AudioTrack + * @member {boolean} enabled + * If this `AudioTrack` is enabled or not. When setting this will + * fire {@link AudioTrack#enabledchange} if the state of enabled is changed. + * @instance + * + * @fires VideoTrack#selectedchange + */ + Object.defineProperty(_this, 'enabled', { + get: function get$$1() { + return enabled; + }, + set: function set$$1(newEnabled) { + // an invalid or unchanged value + if (typeof newEnabled !== 'boolean' || newEnabled === enabled) { + return; + } + enabled = newEnabled; + + /** + * An event that fires when enabled changes on this track. This allows + * the AudioTrackList that holds this track to act accordingly. + * + * > Note: This is not part of the spec! Native tracks will do + * this internally without an event. + * + * @event AudioTrack#enabledchange + * @type {EventTarget~Event} + */ + this.trigger('enabledchange'); + } + }); + + // if the user sets this track to selected then + // set selected to that true value otherwise + // we keep it false + if (settings.enabled) { + _this.enabled = settings.enabled; + } + _this.loaded_ = true; + return _this; + } + + return AudioTrack; + }(Track); + + /** + * A representation of a single `VideoTrack`. + * + * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotrack} + * @extends Track + */ + + var VideoTrack = function (_Track) { + inherits(VideoTrack, _Track); + + /** + * Create an instance of this class. + * + * @param {Object} [options={}] + * Object of option names and values + * + * @param {string} [options.kind=''] + * A valid {@link VideoTrack~Kind} + * + * @param {string} [options.id='vjs_track_' + Guid.newGUID()] + * A unique id for this AudioTrack. + * + * @param {string} [options.label=''] + * The menu label for this track. + * + * @param {string} [options.language=''] + * A valid two character language code. + * + * @param {boolean} [options.selected] + * If this track is the one that is currently playing. + */ + function VideoTrack() { + var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + classCallCheck(this, VideoTrack); + + var settings = mergeOptions(options, { + kind: VideoTrackKind[options.kind] || '' + }); + + var _this = possibleConstructorReturn(this, _Track.call(this, settings)); + + var selected = false; + + /** + * @memberof VideoTrack + * @member {boolean} selected + * If this `VideoTrack` is selected or not. When setting this will + * fire {@link VideoTrack#selectedchange} if the state of selected changed. + * @instance + * + * @fires VideoTrack#selectedchange + */ + Object.defineProperty(_this, 'selected', { + get: function get$$1() { + return selected; + }, + set: function set$$1(newSelected) { + // an invalid or unchanged value + if (typeof newSelected !== 'boolean' || newSelected === selected) { + return; + } + selected = newSelected; + + /** + * An event that fires when selected changes on this track. This allows + * the VideoTrackList that holds this track to act accordingly. + * + * > Note: This is not part of the spec! Native tracks will do + * this internally without an event. + * + * @event VideoTrack#selectedchange + * @type {EventTarget~Event} + */ + this.trigger('selectedchange'); + } + }); + + // if the user sets this track to selected then + // set selected to that true value otherwise + // we keep it false + if (settings.selected) { + _this.selected = settings.selected; + } + return _this; + } + + return VideoTrack; + }(Track); + + /** + * @file html-track-element.js + */ + + /** + * @memberof HTMLTrackElement + * @typedef {HTMLTrackElement~ReadyState} + * @enum {number} + */ + var NONE = 0; + var LOADING = 1; + var LOADED = 2; + var ERROR = 3; + + /** + * A single track represented in the DOM. + * + * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#htmltrackelement} + * @extends EventTarget + */ + + var HTMLTrackElement = function (_EventTarget) { + inherits(HTMLTrackElement, _EventTarget); + + /** + * Create an instance of this class. + * + * @param {Object} options={} + * Object of option names and values + * + * @param {Tech} options.tech + * A reference to the tech that owns this HTMLTrackElement. + * + * @param {TextTrack~Kind} [options.kind='subtitles'] + * A valid text track kind. + * + * @param {TextTrack~Mode} [options.mode='disabled'] + * A valid text track mode. + * + * @param {string} [options.id='vjs_track_' + Guid.newGUID()] + * A unique id for this TextTrack. + * + * @param {string} [options.label=''] + * The menu label for this track. + * + * @param {string} [options.language=''] + * A valid two character language code. + * + * @param {string} [options.srclang=''] + * A valid two character language code. An alternative, but deprioritized + * vesion of `options.language` + * + * @param {string} [options.src] + * A url to TextTrack cues. + * + * @param {boolean} [options.default] + * If this track should default to on or off. + */ + function HTMLTrackElement() { + var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + classCallCheck(this, HTMLTrackElement); + + var _this = possibleConstructorReturn(this, _EventTarget.call(this)); + + var readyState = void 0; + + var track = new TextTrack(options); + + _this.kind = track.kind; + _this.src = track.src; + _this.srclang = track.language; + _this.label = track.label; + _this.default = track.default; + + Object.defineProperties(_this, { + + /** + * @memberof HTMLTrackElement + * @member {HTMLTrackElement~ReadyState} readyState + * The current ready state of the track element. + * @instance + */ + readyState: { + get: function get$$1() { + return readyState; + } + }, + + /** + * @memberof HTMLTrackElement + * @member {TextTrack} track + * The underlying TextTrack object. + * @instance + * + */ + track: { + get: function get$$1() { + return track; + } + } + }); + + readyState = NONE; + + /** + * @listens TextTrack#loadeddata + * @fires HTMLTrackElement#load + */ + track.addEventListener('loadeddata', function () { + readyState = LOADED; + + _this.trigger({ + type: 'load', + target: _this + }); + }); + return _this; + } + + return HTMLTrackElement; + }(EventTarget); + + HTMLTrackElement.prototype.allowedEvents_ = { + load: 'load' + }; + + HTMLTrackElement.NONE = NONE; + HTMLTrackElement.LOADING = LOADING; + HTMLTrackElement.LOADED = LOADED; + HTMLTrackElement.ERROR = ERROR; + + /* + * This file contains all track properties that are used in + * player.js, tech.js, html5.js and possibly other techs in the future. + */ + + var NORMAL = { + audio: { + ListClass: AudioTrackList, + TrackClass: AudioTrack, + capitalName: 'Audio' + }, + video: { + ListClass: VideoTrackList, + TrackClass: VideoTrack, + capitalName: 'Video' + }, + text: { + ListClass: TextTrackList, + TrackClass: TextTrack, + capitalName: 'Text' + } + }; + + Object.keys(NORMAL).forEach(function (type) { + NORMAL[type].getterName = type + 'Tracks'; + NORMAL[type].privateName = type + 'Tracks_'; + }); + + var REMOTE = { + remoteText: { + ListClass: TextTrackList, + TrackClass: TextTrack, + capitalName: 'RemoteText', + getterName: 'remoteTextTracks', + privateName: 'remoteTextTracks_' + }, + remoteTextEl: { + ListClass: HtmlTrackElementList, + TrackClass: HTMLTrackElement, + capitalName: 'RemoteTextTrackEls', + getterName: 'remoteTextTrackEls', + privateName: 'remoteTextTrackEls_' + } + }; + + var ALL = mergeOptions(NORMAL, REMOTE); + + REMOTE.names = Object.keys(REMOTE); + NORMAL.names = Object.keys(NORMAL); + ALL.names = [].concat(REMOTE.names).concat(NORMAL.names); + + /** + * Copyright 2013 vtt.js Contributors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ + /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ + var _objCreate = Object.create || function () { + function F() {} + return function (o) { + if (arguments.length !== 1) { + throw new Error('Object.create shim only accepts one parameter.'); + } + F.prototype = o; + return new F(); + }; + }(); + + // Creates a new ParserError object from an errorData object. The errorData + // object should have default code and message properties. The default message + // property can be overriden by passing in a message parameter. + // See ParsingError.Errors below for acceptable errors. + function ParsingError(errorData, message) { + this.name = "ParsingError"; + this.code = errorData.code; + this.message = message || errorData.message; + } + ParsingError.prototype = _objCreate(Error.prototype); + ParsingError.prototype.constructor = ParsingError; + + // ParsingError metadata for acceptable ParsingErrors. + ParsingError.Errors = { + BadSignature: { + code: 0, + message: "Malformed WebVTT signature." + }, + BadTimeStamp: { + code: 1, + message: "Malformed time stamp." + } + }; + + // Try to parse input as a time stamp. + function parseTimeStamp(input) { + + function computeSeconds(h, m, s, f) { + return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000; + } + + var m = input.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/); + if (!m) { + return null; + } + + if (m[3]) { + // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds] + return computeSeconds(m[1], m[2], m[3].replace(":", ""), m[4]); + } else if (m[1] > 59) { + // Timestamp takes the form of [hours]:[minutes].[milliseconds] + // First position is hours as it's over 59. + return computeSeconds(m[1], m[2], 0, m[4]); + } else { + // Timestamp takes the form of [minutes]:[seconds].[milliseconds] + return computeSeconds(0, m[1], m[2], m[4]); + } + } + + // A settings object holds key/value pairs and will ignore anything but the first + // assignment to a specific key. + function Settings() { + this.values = _objCreate(null); + } + + Settings.prototype = { + // Only accept the first assignment to any key. + set: function set(k, v) { + if (!this.get(k) && v !== "") { + this.values[k] = v; + } + }, + // Return the value for a key, or a default value. + // If 'defaultKey' is passed then 'dflt' is assumed to be an object with + // a number of possible default values as properties where 'defaultKey' is + // the key of the property that will be chosen; otherwise it's assumed to be + // a single value. + get: function get(k, dflt, defaultKey) { + if (defaultKey) { + return this.has(k) ? this.values[k] : dflt[defaultKey]; + } + return this.has(k) ? this.values[k] : dflt; + }, + // Check whether we have a value for a key. + has: function has(k) { + return k in this.values; + }, + // Accept a setting if its one of the given alternatives. + alt: function alt(k, v, a) { + for (var n = 0; n < a.length; ++n) { + if (v === a[n]) { + this.set(k, v); + break; + } + } + }, + // Accept a setting if its a valid (signed) integer. + integer: function integer(k, v) { + if (/^-?\d+$/.test(v)) { + // integer + this.set(k, parseInt(v, 10)); + } + }, + // Accept a setting if its a valid percentage. + percent: function percent(k, v) { + var m; + if (m = v.match(/^([\d]{1,3})(\.[\d]*)?%$/)) { + v = parseFloat(v); + if (v >= 0 && v <= 100) { + this.set(k, v); + return true; + } + } + return false; + } + }; + + // Helper function to parse input into groups separated by 'groupDelim', and + // interprete each group as a key/value pair separated by 'keyValueDelim'. + function parseOptions(input, callback, keyValueDelim, groupDelim) { + var groups = groupDelim ? input.split(groupDelim) : [input]; + for (var i in groups) { + if (typeof groups[i] !== "string") { + continue; + } + var kv = groups[i].split(keyValueDelim); + if (kv.length !== 2) { + continue; + } + var k = kv[0]; + var v = kv[1]; + callback(k, v); + } + } + + function parseCue(input, cue, regionList) { + // Remember the original input if we need to throw an error. + var oInput = input; + // 4.1 WebVTT timestamp + function consumeTimeStamp() { + var ts = parseTimeStamp(input); + if (ts === null) { + throw new ParsingError(ParsingError.Errors.BadTimeStamp, "Malformed timestamp: " + oInput); + } + // Remove time stamp from input. + input = input.replace(/^[^\sa-zA-Z-]+/, ""); + return ts; + } + + // 4.4.2 WebVTT cue settings + function consumeCueSettings(input, cue) { + var settings = new Settings(); + + parseOptions(input, function (k, v) { + switch (k) { + case "region": + // Find the last region we parsed with the same region id. + for (var i = regionList.length - 1; i >= 0; i--) { + if (regionList[i].id === v) { + settings.set(k, regionList[i].region); + break; + } + } + break; + case "vertical": + settings.alt(k, v, ["rl", "lr"]); + break; + case "line": + var vals = v.split(","), + vals0 = vals[0]; + settings.integer(k, vals0); + settings.percent(k, vals0) ? settings.set("snapToLines", false) : null; + settings.alt(k, vals0, ["auto"]); + if (vals.length === 2) { + settings.alt("lineAlign", vals[1], ["start", "middle", "end"]); + } + break; + case "position": + vals = v.split(","); + settings.percent(k, vals[0]); + if (vals.length === 2) { + settings.alt("positionAlign", vals[1], ["start", "middle", "end"]); + } + break; + case "size": + settings.percent(k, v); + break; + case "align": + settings.alt(k, v, ["start", "middle", "end", "left", "right"]); + break; + } + }, /:/, /\s/); + + // Apply default values for any missing fields. + cue.region = settings.get("region", null); + cue.vertical = settings.get("vertical", ""); + cue.line = settings.get("line", "auto"); + cue.lineAlign = settings.get("lineAlign", "start"); + cue.snapToLines = settings.get("snapToLines", true); + cue.size = settings.get("size", 100); + cue.align = settings.get("align", "middle"); + cue.position = settings.get("position", { + start: 0, + left: 0, + middle: 50, + end: 100, + right: 100 + }, cue.align); + cue.positionAlign = settings.get("positionAlign", { + start: "start", + left: "start", + middle: "middle", + end: "end", + right: "end" + }, cue.align); + } + + function skipWhitespace() { + input = input.replace(/^\s+/, ""); + } + + // 4.1 WebVTT cue timings. + skipWhitespace(); + cue.startTime = consumeTimeStamp(); // (1) collect cue start time + skipWhitespace(); + if (input.substr(0, 3) !== "-->") { + // (3) next characters must match "-->" + throw new ParsingError(ParsingError.Errors.BadTimeStamp, "Malformed time stamp (time stamps must be separated by '-->'): " + oInput); + } + input = input.substr(3); + skipWhitespace(); + cue.endTime = consumeTimeStamp(); // (5) collect cue end time + + // 4.1 WebVTT cue settings list. + skipWhitespace(); + consumeCueSettings(input, cue); + } + + var ESCAPE = { + "&": "&", + "<": "<", + ">": ">", + "‎": "\u200E", + "‏": "\u200F", + " ": "\xA0" + }; + + var TAG_NAME = { + c: "span", + i: "i", + b: "b", + u: "u", + ruby: "ruby", + rt: "rt", + v: "span", + lang: "span" + }; + + var TAG_ANNOTATION = { + v: "title", + lang: "lang" + }; + + var NEEDS_PARENT = { + rt: "ruby" + }; + + // Parse content into a document fragment. + function parseContent(window, input) { + function nextToken() { + // Check for end-of-string. + if (!input) { + return null; + } + + // Consume 'n' characters from the input. + function consume(result) { + input = input.substr(result.length); + return result; + } + + var m = input.match(/^([^<]*)(<[^>]*>?)?/); + // If there is some text before the next tag, return it, otherwise return + // the tag. + return consume(m[1] ? m[1] : m[2]); + } + + // Unescape a string 's'. + function unescape1(e) { + return ESCAPE[e]; + } + function unescape(s) { + while (m = s.match(/&(amp|lt|gt|lrm|rlm|nbsp);/)) { + s = s.replace(m[0], unescape1); + } + return s; + } + + function shouldAdd(current, element) { + return !NEEDS_PARENT[element.localName] || NEEDS_PARENT[element.localName] === current.localName; + } + + // Create an element for this tag. + function createElement(type, annotation) { + var tagName = TAG_NAME[type]; + if (!tagName) { + return null; + } + var element = window.document.createElement(tagName); + element.localName = tagName; + var name = TAG_ANNOTATION[type]; + if (name && annotation) { + element[name] = annotation.trim(); + } + return element; + } + + var rootDiv = window.document.createElement("div"), + current = rootDiv, + t, + tagStack = []; + + while ((t = nextToken()) !== null) { + if (t[0] === '<') { + if (t[1] === "/") { + // If the closing tag matches, move back up to the parent node. + if (tagStack.length && tagStack[tagStack.length - 1] === t.substr(2).replace(">", "")) { + tagStack.pop(); + current = current.parentNode; + } + // Otherwise just ignore the end tag. + continue; + } + var ts = parseTimeStamp(t.substr(1, t.length - 2)); + var node; + if (ts) { + // Timestamps are lead nodes as well. + node = window.document.createProcessingInstruction("timestamp", ts); + current.appendChild(node); + continue; + } + var m = t.match(/^<([^.\s/0-9>]+)(\.[^\s\\>]+)?([^>\\]+)?(\\?)>?$/); + // If we can't parse the tag, skip to the next tag. + if (!m) { + continue; + } + // Try to construct an element, and ignore the tag if we couldn't. + node = createElement(m[1], m[3]); + if (!node) { + continue; + } + // Determine if the tag should be added based on the context of where it + // is placed in the cuetext. + if (!shouldAdd(current, node)) { + continue; + } + // Set the class list (as a list of classes, separated by space). + if (m[2]) { + node.className = m[2].substr(1).replace('.', ' '); + } + // Append the node to the current node, and enter the scope of the new + // node. + tagStack.push(m[1]); + current.appendChild(node); + current = node; + continue; + } + + // Text nodes are leaf nodes. + current.appendChild(window.document.createTextNode(unescape(t))); + } + + return rootDiv; + } + + // This is a list of all the Unicode characters that have a strong + // right-to-left category. What this means is that these characters are + // written right-to-left for sure. It was generated by pulling all the strong + // right-to-left characters out of the Unicode data table. That table can + // found at: http://www.unicode.org/Public/UNIDATA/UnicodeData.txt + var strongRTLRanges = [[0x5be, 0x5be], [0x5c0, 0x5c0], [0x5c3, 0x5c3], [0x5c6, 0x5c6], [0x5d0, 0x5ea], [0x5f0, 0x5f4], [0x608, 0x608], [0x60b, 0x60b], [0x60d, 0x60d], [0x61b, 0x61b], [0x61e, 0x64a], [0x66d, 0x66f], [0x671, 0x6d5], [0x6e5, 0x6e6], [0x6ee, 0x6ef], [0x6fa, 0x70d], [0x70f, 0x710], [0x712, 0x72f], [0x74d, 0x7a5], [0x7b1, 0x7b1], [0x7c0, 0x7ea], [0x7f4, 0x7f5], [0x7fa, 0x7fa], [0x800, 0x815], [0x81a, 0x81a], [0x824, 0x824], [0x828, 0x828], [0x830, 0x83e], [0x840, 0x858], [0x85e, 0x85e], [0x8a0, 0x8a0], [0x8a2, 0x8ac], [0x200f, 0x200f], [0xfb1d, 0xfb1d], [0xfb1f, 0xfb28], [0xfb2a, 0xfb36], [0xfb38, 0xfb3c], [0xfb3e, 0xfb3e], [0xfb40, 0xfb41], [0xfb43, 0xfb44], [0xfb46, 0xfbc1], [0xfbd3, 0xfd3d], [0xfd50, 0xfd8f], [0xfd92, 0xfdc7], [0xfdf0, 0xfdfc], [0xfe70, 0xfe74], [0xfe76, 0xfefc], [0x10800, 0x10805], [0x10808, 0x10808], [0x1080a, 0x10835], [0x10837, 0x10838], [0x1083c, 0x1083c], [0x1083f, 0x10855], [0x10857, 0x1085f], [0x10900, 0x1091b], [0x10920, 0x10939], [0x1093f, 0x1093f], [0x10980, 0x109b7], [0x109be, 0x109bf], [0x10a00, 0x10a00], [0x10a10, 0x10a13], [0x10a15, 0x10a17], [0x10a19, 0x10a33], [0x10a40, 0x10a47], [0x10a50, 0x10a58], [0x10a60, 0x10a7f], [0x10b00, 0x10b35], [0x10b40, 0x10b55], [0x10b58, 0x10b72], [0x10b78, 0x10b7f], [0x10c00, 0x10c48], [0x1ee00, 0x1ee03], [0x1ee05, 0x1ee1f], [0x1ee21, 0x1ee22], [0x1ee24, 0x1ee24], [0x1ee27, 0x1ee27], [0x1ee29, 0x1ee32], [0x1ee34, 0x1ee37], [0x1ee39, 0x1ee39], [0x1ee3b, 0x1ee3b], [0x1ee42, 0x1ee42], [0x1ee47, 0x1ee47], [0x1ee49, 0x1ee49], [0x1ee4b, 0x1ee4b], [0x1ee4d, 0x1ee4f], [0x1ee51, 0x1ee52], [0x1ee54, 0x1ee54], [0x1ee57, 0x1ee57], [0x1ee59, 0x1ee59], [0x1ee5b, 0x1ee5b], [0x1ee5d, 0x1ee5d], [0x1ee5f, 0x1ee5f], [0x1ee61, 0x1ee62], [0x1ee64, 0x1ee64], [0x1ee67, 0x1ee6a], [0x1ee6c, 0x1ee72], [0x1ee74, 0x1ee77], [0x1ee79, 0x1ee7c], [0x1ee7e, 0x1ee7e], [0x1ee80, 0x1ee89], [0x1ee8b, 0x1ee9b], [0x1eea1, 0x1eea3], [0x1eea5, 0x1eea9], [0x1eeab, 0x1eebb], [0x10fffd, 0x10fffd]]; + + function isStrongRTLChar(charCode) { + for (var i = 0; i < strongRTLRanges.length; i++) { + var currentRange = strongRTLRanges[i]; + if (charCode >= currentRange[0] && charCode <= currentRange[1]) { + return true; + } + } + + return false; + } + + function determineBidi(cueDiv) { + var nodeStack = [], + text = "", + charCode; + + if (!cueDiv || !cueDiv.childNodes) { + return "ltr"; + } + + function pushNodes(nodeStack, node) { + for (var i = node.childNodes.length - 1; i >= 0; i--) { + nodeStack.push(node.childNodes[i]); + } + } + + function nextTextNode(nodeStack) { + if (!nodeStack || !nodeStack.length) { + return null; + } + + var node = nodeStack.pop(), + text = node.textContent || node.innerText; + if (text) { + // TODO: This should match all unicode type B characters (paragraph + // separator characters). See issue #115. + var m = text.match(/^.*(\n|\r)/); + if (m) { + nodeStack.length = 0; + return m[0]; + } + return text; + } + if (node.tagName === "ruby") { + return nextTextNode(nodeStack); + } + if (node.childNodes) { + pushNodes(nodeStack, node); + return nextTextNode(nodeStack); + } + } + + pushNodes(nodeStack, cueDiv); + while (text = nextTextNode(nodeStack)) { + for (var i = 0; i < text.length; i++) { + charCode = text.charCodeAt(i); + if (isStrongRTLChar(charCode)) { + return "rtl"; + } + } + } + return "ltr"; + } + + function computeLinePos(cue) { + if (typeof cue.line === "number" && (cue.snapToLines || cue.line >= 0 && cue.line <= 100)) { + return cue.line; + } + if (!cue.track || !cue.track.textTrackList || !cue.track.textTrackList.mediaElement) { + return -1; + } + var track = cue.track, + trackList = track.textTrackList, + count = 0; + for (var i = 0; i < trackList.length && trackList[i] !== track; i++) { + if (trackList[i].mode === "showing") { + count++; + } + } + return ++count * -1; + } + + function StyleBox() {} + + // Apply styles to a div. If there is no div passed then it defaults to the + // div on 'this'. + StyleBox.prototype.applyStyles = function (styles, div) { + div = div || this.div; + for (var prop in styles) { + if (styles.hasOwnProperty(prop)) { + div.style[prop] = styles[prop]; + } + } + }; + + StyleBox.prototype.formatStyle = function (val, unit) { + return val === 0 ? 0 : val + unit; + }; + + // Constructs the computed display state of the cue (a div). Places the div + // into the overlay which should be a block level element (usually a div). + function CueStyleBox(window, cue, styleOptions) { + StyleBox.call(this); + this.cue = cue; + + // Parse our cue's text into a DOM tree rooted at 'cueDiv'. This div will + // have inline positioning and will function as the cue background box. + this.cueDiv = parseContent(window, cue.text); + var styles = { + color: "rgba(255, 255, 255, 1)", + backgroundColor: "rgba(0, 0, 0, 0.8)", + position: "relative", + left: 0, + right: 0, + top: 0, + bottom: 0, + display: "inline", + writingMode: cue.vertical === "" ? "horizontal-tb" : cue.vertical === "lr" ? "vertical-lr" : "vertical-rl", + unicodeBidi: "plaintext" + }; + + this.applyStyles(styles, this.cueDiv); + + // Create an absolutely positioned div that will be used to position the cue + // div. Note, all WebVTT cue-setting alignments are equivalent to the CSS + // mirrors of them except "middle" which is "center" in CSS. + this.div = window.document.createElement("div"); + styles = { + direction: determineBidi(this.cueDiv), + writingMode: cue.vertical === "" ? "horizontal-tb" : cue.vertical === "lr" ? "vertical-lr" : "vertical-rl", + unicodeBidi: "plaintext", + textAlign: cue.align === "middle" ? "center" : cue.align, + font: styleOptions.font, + whiteSpace: "pre-line", + position: "absolute" + }; + + this.applyStyles(styles); + this.div.appendChild(this.cueDiv); + + // Calculate the distance from the reference edge of the viewport to the text + // position of the cue box. The reference edge will be resolved later when + // the box orientation styles are applied. + var textPos = 0; + switch (cue.positionAlign) { + case "start": + textPos = cue.position; + break; + case "middle": + textPos = cue.position - cue.size / 2; + break; + case "end": + textPos = cue.position - cue.size; + break; + } + + // Horizontal box orientation; textPos is the distance from the left edge of the + // area to the left edge of the box and cue.size is the distance extending to + // the right from there. + if (cue.vertical === "") { + this.applyStyles({ + left: this.formatStyle(textPos, "%"), + width: this.formatStyle(cue.size, "%") + }); + // Vertical box orientation; textPos is the distance from the top edge of the + // area to the top edge of the box and cue.size is the height extending + // downwards from there. + } else { + this.applyStyles({ + top: this.formatStyle(textPos, "%"), + height: this.formatStyle(cue.size, "%") + }); + } + + this.move = function (box) { + this.applyStyles({ + top: this.formatStyle(box.top, "px"), + bottom: this.formatStyle(box.bottom, "px"), + left: this.formatStyle(box.left, "px"), + right: this.formatStyle(box.right, "px"), + height: this.formatStyle(box.height, "px"), + width: this.formatStyle(box.width, "px") + }); + }; + } + CueStyleBox.prototype = _objCreate(StyleBox.prototype); + CueStyleBox.prototype.constructor = CueStyleBox; + + // Represents the co-ordinates of an Element in a way that we can easily + // compute things with such as if it overlaps or intersects with another Element. + // Can initialize it with either a StyleBox or another BoxPosition. + function BoxPosition(obj) { + // Either a BoxPosition was passed in and we need to copy it, or a StyleBox + // was passed in and we need to copy the results of 'getBoundingClientRect' + // as the object returned is readonly. All co-ordinate values are in reference + // to the viewport origin (top left). + var lh, height, width, top; + if (obj.div) { + height = obj.div.offsetHeight; + width = obj.div.offsetWidth; + top = obj.div.offsetTop; + + var rects = (rects = obj.div.childNodes) && (rects = rects[0]) && rects.getClientRects && rects.getClientRects(); + obj = obj.div.getBoundingClientRect(); + // In certain cases the outter div will be slightly larger then the sum of + // the inner div's lines. This could be due to bold text, etc, on some platforms. + // In this case we should get the average line height and use that. This will + // result in the desired behaviour. + lh = rects ? Math.max(rects[0] && rects[0].height || 0, obj.height / rects.length) : 0; + } + this.left = obj.left; + this.right = obj.right; + this.top = obj.top || top; + this.height = obj.height || height; + this.bottom = obj.bottom || top + (obj.height || height); + this.width = obj.width || width; + this.lineHeight = lh !== undefined ? lh : obj.lineHeight; + } + + // Move the box along a particular axis. Optionally pass in an amount to move + // the box. If no amount is passed then the default is the line height of the + // box. + BoxPosition.prototype.move = function (axis, toMove) { + toMove = toMove !== undefined ? toMove : this.lineHeight; + switch (axis) { + case "+x": + this.left += toMove; + this.right += toMove; + break; + case "-x": + this.left -= toMove; + this.right -= toMove; + break; + case "+y": + this.top += toMove; + this.bottom += toMove; + break; + case "-y": + this.top -= toMove; + this.bottom -= toMove; + break; + } + }; + + // Check if this box overlaps another box, b2. + BoxPosition.prototype.overlaps = function (b2) { + return this.left < b2.right && this.right > b2.left && this.top < b2.bottom && this.bottom > b2.top; + }; + + // Check if this box overlaps any other boxes in boxes. + BoxPosition.prototype.overlapsAny = function (boxes) { + for (var i = 0; i < boxes.length; i++) { + if (this.overlaps(boxes[i])) { + return true; + } + } + return false; + }; + + // Check if this box is within another box. + BoxPosition.prototype.within = function (container) { + return this.top >= container.top && this.bottom <= container.bottom && this.left >= container.left && this.right <= container.right; + }; + + // Check if this box is entirely within the container or it is overlapping + // on the edge opposite of the axis direction passed. For example, if "+x" is + // passed and the box is overlapping on the left edge of the container, then + // return true. + BoxPosition.prototype.overlapsOppositeAxis = function (container, axis) { + switch (axis) { + case "+x": + return this.left < container.left; + case "-x": + return this.right > container.right; + case "+y": + return this.top < container.top; + case "-y": + return this.bottom > container.bottom; + } + }; + + // Find the percentage of the area that this box is overlapping with another + // box. + BoxPosition.prototype.intersectPercentage = function (b2) { + var x = Math.max(0, Math.min(this.right, b2.right) - Math.max(this.left, b2.left)), + y = Math.max(0, Math.min(this.bottom, b2.bottom) - Math.max(this.top, b2.top)), + intersectArea = x * y; + return intersectArea / (this.height * this.width); + }; + + // Convert the positions from this box to CSS compatible positions using + // the reference container's positions. This has to be done because this + // box's positions are in reference to the viewport origin, whereas, CSS + // values are in referecne to their respective edges. + BoxPosition.prototype.toCSSCompatValues = function (reference) { + return { + top: this.top - reference.top, + bottom: reference.bottom - this.bottom, + left: this.left - reference.left, + right: reference.right - this.right, + height: this.height, + width: this.width + }; + }; + + // Get an object that represents the box's position without anything extra. + // Can pass a StyleBox, HTMLElement, or another BoxPositon. + BoxPosition.getSimpleBoxPosition = function (obj) { + var height = obj.div ? obj.div.offsetHeight : obj.tagName ? obj.offsetHeight : 0; + var width = obj.div ? obj.div.offsetWidth : obj.tagName ? obj.offsetWidth : 0; + var top = obj.div ? obj.div.offsetTop : obj.tagName ? obj.offsetTop : 0; + + obj = obj.div ? obj.div.getBoundingClientRect() : obj.tagName ? obj.getBoundingClientRect() : obj; + var ret = { + left: obj.left, + right: obj.right, + top: obj.top || top, + height: obj.height || height, + bottom: obj.bottom || top + (obj.height || height), + width: obj.width || width + }; + return ret; + }; + + // Move a StyleBox to its specified, or next best, position. The containerBox + // is the box that contains the StyleBox, such as a div. boxPositions are + // a list of other boxes that the styleBox can't overlap with. + function moveBoxToLinePosition(window, styleBox, containerBox, boxPositions) { + + // Find the best position for a cue box, b, on the video. The axis parameter + // is a list of axis, the order of which, it will move the box along. For example: + // Passing ["+x", "-x"] will move the box first along the x axis in the positive + // direction. If it doesn't find a good position for it there it will then move + // it along the x axis in the negative direction. + function findBestPosition(b, axis) { + var bestPosition, + specifiedPosition = new BoxPosition(b), + percentage = 1; // Highest possible so the first thing we get is better. + + for (var i = 0; i < axis.length; i++) { + while (b.overlapsOppositeAxis(containerBox, axis[i]) || b.within(containerBox) && b.overlapsAny(boxPositions)) { + b.move(axis[i]); + } + // We found a spot where we aren't overlapping anything. This is our + // best position. + if (b.within(containerBox)) { + return b; + } + var p = b.intersectPercentage(containerBox); + // If we're outside the container box less then we were on our last try + // then remember this position as the best position. + if (percentage > p) { + bestPosition = new BoxPosition(b); + percentage = p; + } + // Reset the box position to the specified position. + b = new BoxPosition(specifiedPosition); + } + return bestPosition || specifiedPosition; + } + + var boxPosition = new BoxPosition(styleBox), + cue = styleBox.cue, + linePos = computeLinePos(cue), + axis = []; + + // If we have a line number to align the cue to. + if (cue.snapToLines) { + var size; + switch (cue.vertical) { + case "": + axis = ["+y", "-y"]; + size = "height"; + break; + case "rl": + axis = ["+x", "-x"]; + size = "width"; + break; + case "lr": + axis = ["-x", "+x"]; + size = "width"; + break; + } + + var step = boxPosition.lineHeight, + position = step * Math.round(linePos), + maxPosition = containerBox[size] + step, + initialAxis = axis[0]; + + // If the specified intial position is greater then the max position then + // clamp the box to the amount of steps it would take for the box to + // reach the max position. + if (Math.abs(position) > maxPosition) { + position = position < 0 ? -1 : 1; + position *= Math.ceil(maxPosition / step) * step; + } + + // If computed line position returns negative then line numbers are + // relative to the bottom of the video instead of the top. Therefore, we + // need to increase our initial position by the length or width of the + // video, depending on the writing direction, and reverse our axis directions. + if (linePos < 0) { + position += cue.vertical === "" ? containerBox.height : containerBox.width; + axis = axis.reverse(); + } + + // Move the box to the specified position. This may not be its best + // position. + boxPosition.move(initialAxis, position); + } else { + // If we have a percentage line value for the cue. + var calculatedPercentage = boxPosition.lineHeight / containerBox.height * 100; + + switch (cue.lineAlign) { + case "middle": + linePos -= calculatedPercentage / 2; + break; + case "end": + linePos -= calculatedPercentage; + break; + } + + // Apply initial line position to the cue box. + switch (cue.vertical) { + case "": + styleBox.applyStyles({ + top: styleBox.formatStyle(linePos, "%") + }); + break; + case "rl": + styleBox.applyStyles({ + left: styleBox.formatStyle(linePos, "%") + }); + break; + case "lr": + styleBox.applyStyles({ + right: styleBox.formatStyle(linePos, "%") + }); + break; + } + + axis = ["+y", "-x", "+x", "-y"]; + + // Get the box position again after we've applied the specified positioning + // to it. + boxPosition = new BoxPosition(styleBox); + } + + var bestPosition = findBestPosition(boxPosition, axis); + styleBox.move(bestPosition.toCSSCompatValues(containerBox)); + } + + function WebVTT$1() {} + // Nothing + + + // Helper to allow strings to be decoded instead of the default binary utf8 data. + WebVTT$1.StringDecoder = function () { + return { + decode: function decode(data) { + if (!data) { + return ""; + } + if (typeof data !== "string") { + throw new Error("Error - expected string data."); + } + return decodeURIComponent(encodeURIComponent(data)); + } + }; + }; + + WebVTT$1.convertCueToDOMTree = function (window, cuetext) { + if (!window || !cuetext) { + return null; + } + return parseContent(window, cuetext); + }; + + var FONT_SIZE_PERCENT = 0.05; + var FONT_STYLE = "sans-serif"; + var CUE_BACKGROUND_PADDING = "1.5%"; + + // Runs the processing model over the cues and regions passed to it. + // @param overlay A block level element (usually a div) that the computed cues + // and regions will be placed into. + WebVTT$1.processCues = function (window, cues, overlay) { + if (!window || !cues || !overlay) { + return null; + } + + // Remove all previous children. + while (overlay.firstChild) { + overlay.removeChild(overlay.firstChild); + } + + var paddedOverlay = window.document.createElement("div"); + paddedOverlay.style.position = "absolute"; + paddedOverlay.style.left = "0"; + paddedOverlay.style.right = "0"; + paddedOverlay.style.top = "0"; + paddedOverlay.style.bottom = "0"; + paddedOverlay.style.margin = CUE_BACKGROUND_PADDING; + overlay.appendChild(paddedOverlay); + + // Determine if we need to compute the display states of the cues. This could + // be the case if a cue's state has been changed since the last computation or + // if it has not been computed yet. + function shouldCompute(cues) { + for (var i = 0; i < cues.length; i++) { + if (cues[i].hasBeenReset || !cues[i].displayState) { + return true; + } + } + return false; + } + + // We don't need to recompute the cues' display states. Just reuse them. + if (!shouldCompute(cues)) { + for (var i = 0; i < cues.length; i++) { + paddedOverlay.appendChild(cues[i].displayState); + } + return; + } + + var boxPositions = [], + containerBox = BoxPosition.getSimpleBoxPosition(paddedOverlay), + fontSize = Math.round(containerBox.height * FONT_SIZE_PERCENT * 100) / 100; + var styleOptions = { + font: fontSize + "px " + FONT_STYLE + }; + + (function () { + var styleBox, cue; + + for (var i = 0; i < cues.length; i++) { + cue = cues[i]; + + // Compute the intial position and styles of the cue div. + styleBox = new CueStyleBox(window, cue, styleOptions); + paddedOverlay.appendChild(styleBox.div); + + // Move the cue div to it's correct line position. + moveBoxToLinePosition(window, styleBox, containerBox, boxPositions); + + // Remember the computed div so that we don't have to recompute it later + // if we don't have too. + cue.displayState = styleBox.div; + + boxPositions.push(BoxPosition.getSimpleBoxPosition(styleBox)); + } + })(); + }; + + WebVTT$1.Parser = function (window, vttjs, decoder) { + if (!decoder) { + decoder = vttjs; + vttjs = {}; + } + if (!vttjs) { + vttjs = {}; + } + + this.window = window; + this.vttjs = vttjs; + this.state = "INITIAL"; + this.buffer = ""; + this.decoder = decoder || new TextDecoder("utf8"); + this.regionList = []; + }; + + WebVTT$1.Parser.prototype = { + // If the error is a ParsingError then report it to the consumer if + // possible. If it's not a ParsingError then throw it like normal. + reportOrThrowError: function reportOrThrowError(e) { + if (e instanceof ParsingError) { + this.onparsingerror && this.onparsingerror(e); + } else { + throw e; + } + }, + parse: function parse(data) { + var self = this; + + // If there is no data then we won't decode it, but will just try to parse + // whatever is in buffer already. This may occur in circumstances, for + // example when flush() is called. + if (data) { + // Try to decode the data that we received. + self.buffer += self.decoder.decode(data, { stream: true }); + } + + function collectNextLine() { + var buffer = self.buffer; + var pos = 0; + while (pos < buffer.length && buffer[pos] !== '\r' && buffer[pos] !== '\n') { + ++pos; + } + var line = buffer.substr(0, pos); + // Advance the buffer early in case we fail below. + if (buffer[pos] === '\r') { + ++pos; + } + if (buffer[pos] === '\n') { + ++pos; + } + self.buffer = buffer.substr(pos); + return line; + } + + // 3.4 WebVTT region and WebVTT region settings syntax + function parseRegion(input) { + var settings = new Settings(); + + parseOptions(input, function (k, v) { + switch (k) { + case "id": + settings.set(k, v); + break; + case "width": + settings.percent(k, v); + break; + case "lines": + settings.integer(k, v); + break; + case "regionanchor": + case "viewportanchor": + var xy = v.split(','); + if (xy.length !== 2) { + break; + } + // We have to make sure both x and y parse, so use a temporary + // settings object here. + var anchor = new Settings(); + anchor.percent("x", xy[0]); + anchor.percent("y", xy[1]); + if (!anchor.has("x") || !anchor.has("y")) { + break; + } + settings.set(k + "X", anchor.get("x")); + settings.set(k + "Y", anchor.get("y")); + break; + case "scroll": + settings.alt(k, v, ["up"]); + break; + } + }, /=/, /\s/); + + // Create the region, using default values for any values that were not + // specified. + if (settings.has("id")) { + var region = new (self.vttjs.VTTRegion || self.window.VTTRegion)(); + region.width = settings.get("width", 100); + region.lines = settings.get("lines", 3); + region.regionAnchorX = settings.get("regionanchorX", 0); + region.regionAnchorY = settings.get("regionanchorY", 100); + region.viewportAnchorX = settings.get("viewportanchorX", 0); + region.viewportAnchorY = settings.get("viewportanchorY", 100); + region.scroll = settings.get("scroll", ""); + // Register the region. + self.onregion && self.onregion(region); + // Remember the VTTRegion for later in case we parse any VTTCues that + // reference it. + self.regionList.push({ + id: settings.get("id"), + region: region + }); + } + } + + // draft-pantos-http-live-streaming-20 + // https://tools.ietf.org/html/draft-pantos-http-live-streaming-20#section-3.5 + // 3.5 WebVTT + function parseTimestampMap(input) { + var settings = new Settings(); + + parseOptions(input, function (k, v) { + switch (k) { + case "MPEGT": + settings.integer(k + 'S', v); + break; + case "LOCA": + settings.set(k + 'L', parseTimeStamp(v)); + break; + } + }, /[^\d]:/, /,/); + + self.ontimestampmap && self.ontimestampmap({ + "MPEGTS": settings.get("MPEGTS"), + "LOCAL": settings.get("LOCAL") + }); + } + + // 3.2 WebVTT metadata header syntax + function parseHeader(input) { + if (input.match(/X-TIMESTAMP-MAP/)) { + // This line contains HLS X-TIMESTAMP-MAP metadata + parseOptions(input, function (k, v) { + switch (k) { + case "X-TIMESTAMP-MAP": + parseTimestampMap(v); + break; + } + }, /=/); + } else { + parseOptions(input, function (k, v) { + switch (k) { + case "Region": + // 3.3 WebVTT region metadata header syntax + parseRegion(v); + break; + } + }, /:/); + } + } + + // 5.1 WebVTT file parsing. + try { + var line; + if (self.state === "INITIAL") { + // We can't start parsing until we have the first line. + if (!/\r\n|\n/.test(self.buffer)) { + return this; + } + + line = collectNextLine(); + + var m = line.match(/^WEBVTT([ \t].*)?$/); + if (!m || !m[0]) { + throw new ParsingError(ParsingError.Errors.BadSignature); + } + + self.state = "HEADER"; + } + + var alreadyCollectedLine = false; + while (self.buffer) { + // We can't parse a line until we have the full line. + if (!/\r\n|\n/.test(self.buffer)) { + return this; + } + + if (!alreadyCollectedLine) { + line = collectNextLine(); + } else { + alreadyCollectedLine = false; + } + + switch (self.state) { + case "HEADER": + // 13-18 - Allow a header (metadata) under the WEBVTT line. + if (/:/.test(line)) { + parseHeader(line); + } else if (!line) { + // An empty line terminates the header and starts the body (cues). + self.state = "ID"; + } + continue; + case "NOTE": + // Ignore NOTE blocks. + if (!line) { + self.state = "ID"; + } + continue; + case "ID": + // Check for the start of NOTE blocks. + if (/^NOTE($|[ \t])/.test(line)) { + self.state = "NOTE"; + break; + } + // 19-29 - Allow any number of line terminators, then initialize new cue values. + if (!line) { + continue; + } + self.cue = new (self.vttjs.VTTCue || self.window.VTTCue)(0, 0, ""); + self.state = "CUE"; + // 30-39 - Check if self line contains an optional identifier or timing data. + if (line.indexOf("-->") === -1) { + self.cue.id = line; + continue; + } + // Process line as start of a cue. + /*falls through*/ + case "CUE": + // 40 - Collect cue timings and settings. + try { + parseCue(line, self.cue, self.regionList); + } catch (e) { + self.reportOrThrowError(e); + // In case of an error ignore rest of the cue. + self.cue = null; + self.state = "BADCUE"; + continue; + } + self.state = "CUETEXT"; + continue; + case "CUETEXT": + var hasSubstring = line.indexOf("-->") !== -1; + // 34 - If we have an empty line then report the cue. + // 35 - If we have the special substring '-->' then report the cue, + // but do not collect the line as we need to process the current + // one as a new cue. + if (!line || hasSubstring && (alreadyCollectedLine = true)) { + // We are done parsing self cue. + self.oncue && self.oncue(self.cue); + self.cue = null; + self.state = "ID"; + continue; + } + if (self.cue.text) { + self.cue.text += "\n"; + } + self.cue.text += line; + continue; + case "BADCUE": + // BADCUE + // 54-62 - Collect and discard the remaining cue. + if (!line) { + self.state = "ID"; + } + continue; + } + } + } catch (e) { + self.reportOrThrowError(e); + + // If we are currently parsing a cue, report what we have. + if (self.state === "CUETEXT" && self.cue && self.oncue) { + self.oncue(self.cue); + } + self.cue = null; + // Enter BADWEBVTT state if header was not parsed correctly otherwise + // another exception occurred so enter BADCUE state. + self.state = self.state === "INITIAL" ? "BADWEBVTT" : "BADCUE"; + } + return this; + }, + flush: function flush() { + var self = this; + try { + // Finish decoding the stream. + self.buffer += self.decoder.decode(); + // Synthesize the end of the current cue or region. + if (self.cue || self.state === "HEADER") { + self.buffer += "\n\n"; + self.parse(); + } + // If we've flushed, parsed, and we're still on the INITIAL state then + // that means we don't have enough of the stream to parse the first + // line. + if (self.state === "INITIAL") { + throw new ParsingError(ParsingError.Errors.BadSignature); + } + } catch (e) { + self.reportOrThrowError(e); + } + self.onflush && self.onflush(); + return this; + } + }; + + var vtt = WebVTT$1; + + /** + * Copyright 2013 vtt.js Contributors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + var autoKeyword = "auto"; + var directionSetting = { + "": 1, + "lr": 1, + "rl": 1 + }; + var alignSetting = { + "start": 1, + "middle": 1, + "end": 1, + "left": 1, + "right": 1 + }; + + function findDirectionSetting(value) { + if (typeof value !== "string") { + return false; + } + var dir = directionSetting[value.toLowerCase()]; + return dir ? value.toLowerCase() : false; + } + + function findAlignSetting(value) { + if (typeof value !== "string") { + return false; + } + var align = alignSetting[value.toLowerCase()]; + return align ? value.toLowerCase() : false; + } + + function VTTCue(startTime, endTime, text) { + /** + * Shim implementation specific properties. These properties are not in + * the spec. + */ + + // Lets us know when the VTTCue's data has changed in such a way that we need + // to recompute its display state. This lets us compute its display state + // lazily. + this.hasBeenReset = false; + + /** + * VTTCue and TextTrackCue properties + * http://dev.w3.org/html5/webvtt/#vttcue-interface + */ + + var _id = ""; + var _pauseOnExit = false; + var _startTime = startTime; + var _endTime = endTime; + var _text = text; + var _region = null; + var _vertical = ""; + var _snapToLines = true; + var _line = "auto"; + var _lineAlign = "start"; + var _position = 50; + var _positionAlign = "middle"; + var _size = 50; + var _align = "middle"; + + Object.defineProperties(this, { + "id": { + enumerable: true, + get: function get() { + return _id; + }, + set: function set(value) { + _id = "" + value; + } + }, + + "pauseOnExit": { + enumerable: true, + get: function get() { + return _pauseOnExit; + }, + set: function set(value) { + _pauseOnExit = !!value; + } + }, + + "startTime": { + enumerable: true, + get: function get() { + return _startTime; + }, + set: function set(value) { + if (typeof value !== "number") { + throw new TypeError("Start time must be set to a number."); + } + _startTime = value; + this.hasBeenReset = true; + } + }, + + "endTime": { + enumerable: true, + get: function get() { + return _endTime; + }, + set: function set(value) { + if (typeof value !== "number") { + throw new TypeError("End time must be set to a number."); + } + _endTime = value; + this.hasBeenReset = true; + } + }, + + "text": { + enumerable: true, + get: function get() { + return _text; + }, + set: function set(value) { + _text = "" + value; + this.hasBeenReset = true; + } + }, + + "region": { + enumerable: true, + get: function get() { + return _region; + }, + set: function set(value) { + _region = value; + this.hasBeenReset = true; + } + }, + + "vertical": { + enumerable: true, + get: function get() { + return _vertical; + }, + set: function set(value) { + var setting = findDirectionSetting(value); + // Have to check for false because the setting an be an empty string. + if (setting === false) { + throw new SyntaxError("An invalid or illegal string was specified."); + } + _vertical = setting; + this.hasBeenReset = true; + } + }, + + "snapToLines": { + enumerable: true, + get: function get() { + return _snapToLines; + }, + set: function set(value) { + _snapToLines = !!value; + this.hasBeenReset = true; + } + }, + + "line": { + enumerable: true, + get: function get() { + return _line; + }, + set: function set(value) { + if (typeof value !== "number" && value !== autoKeyword) { + throw new SyntaxError("An invalid number or illegal string was specified."); + } + _line = value; + this.hasBeenReset = true; + } + }, + + "lineAlign": { + enumerable: true, + get: function get() { + return _lineAlign; + }, + set: function set(value) { + var setting = findAlignSetting(value); + if (!setting) { + throw new SyntaxError("An invalid or illegal string was specified."); + } + _lineAlign = setting; + this.hasBeenReset = true; + } + }, + + "position": { + enumerable: true, + get: function get() { + return _position; + }, + set: function set(value) { + if (value < 0 || value > 100) { + throw new Error("Position must be between 0 and 100."); + } + _position = value; + this.hasBeenReset = true; + } + }, + + "positionAlign": { + enumerable: true, + get: function get() { + return _positionAlign; + }, + set: function set(value) { + var setting = findAlignSetting(value); + if (!setting) { + throw new SyntaxError("An invalid or illegal string was specified."); + } + _positionAlign = setting; + this.hasBeenReset = true; + } + }, + + "size": { + enumerable: true, + get: function get() { + return _size; + }, + set: function set(value) { + if (value < 0 || value > 100) { + throw new Error("Size must be between 0 and 100."); + } + _size = value; + this.hasBeenReset = true; + } + }, + + "align": { + enumerable: true, + get: function get() { + return _align; + }, + set: function set(value) { + var setting = findAlignSetting(value); + if (!setting) { + throw new SyntaxError("An invalid or illegal string was specified."); + } + _align = setting; + this.hasBeenReset = true; + } + } + }); + + /** + * Other <track> spec defined properties + */ + + // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state + this.displayState = undefined; + } + + /** + * VTTCue methods + */ + + VTTCue.prototype.getCueAsHTML = function () { + // Assume WebVTT.convertCueToDOMTree is on the global. + return WebVTT.convertCueToDOMTree(window, this.text); + }; + + var vttcue = VTTCue; + + /** + * Copyright 2013 vtt.js Contributors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + var scrollSetting = { + "": true, + "up": true + }; + + function findScrollSetting(value) { + if (typeof value !== "string") { + return false; + } + var scroll = scrollSetting[value.toLowerCase()]; + return scroll ? value.toLowerCase() : false; + } + + function isValidPercentValue(value) { + return typeof value === "number" && value >= 0 && value <= 100; + } + + // VTTRegion shim http://dev.w3.org/html5/webvtt/#vttregion-interface + function VTTRegion() { + var _width = 100; + var _lines = 3; + var _regionAnchorX = 0; + var _regionAnchorY = 100; + var _viewportAnchorX = 0; + var _viewportAnchorY = 100; + var _scroll = ""; + + Object.defineProperties(this, { + "width": { + enumerable: true, + get: function get() { + return _width; + }, + set: function set(value) { + if (!isValidPercentValue(value)) { + throw new Error("Width must be between 0 and 100."); + } + _width = value; + } + }, + "lines": { + enumerable: true, + get: function get() { + return _lines; + }, + set: function set(value) { + if (typeof value !== "number") { + throw new TypeError("Lines must be set to a number."); + } + _lines = value; + } + }, + "regionAnchorY": { + enumerable: true, + get: function get() { + return _regionAnchorY; + }, + set: function set(value) { + if (!isValidPercentValue(value)) { + throw new Error("RegionAnchorX must be between 0 and 100."); + } + _regionAnchorY = value; + } + }, + "regionAnchorX": { + enumerable: true, + get: function get() { + return _regionAnchorX; + }, + set: function set(value) { + if (!isValidPercentValue(value)) { + throw new Error("RegionAnchorY must be between 0 and 100."); + } + _regionAnchorX = value; + } + }, + "viewportAnchorY": { + enumerable: true, + get: function get() { + return _viewportAnchorY; + }, + set: function set(value) { + if (!isValidPercentValue(value)) { + throw new Error("ViewportAnchorY must be between 0 and 100."); + } + _viewportAnchorY = value; + } + }, + "viewportAnchorX": { + enumerable: true, + get: function get() { + return _viewportAnchorX; + }, + set: function set(value) { + if (!isValidPercentValue(value)) { + throw new Error("ViewportAnchorX must be between 0 and 100."); + } + _viewportAnchorX = value; + } + }, + "scroll": { + enumerable: true, + get: function get() { + return _scroll; + }, + set: function set(value) { + var setting = findScrollSetting(value); + // Have to check for false as an empty string is a legal value. + if (setting === false) { + throw new SyntaxError("An invalid or illegal string was specified."); + } + _scroll = setting; + } + } + }); + } + + var vttregion = VTTRegion; + + var browserIndex = createCommonjsModule(function (module) { + /** + * Copyright 2013 vtt.js Contributors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + // Default exports for Node. Export the extended versions of VTTCue and + // VTTRegion in Node since we likely want the capability to convert back and + // forth between JSON. If we don't then it's not that big of a deal since we're + // off browser. + + + var vttjs = module.exports = { + WebVTT: vtt, + VTTCue: vttcue, + VTTRegion: vttregion + }; + + window_1.vttjs = vttjs; + window_1.WebVTT = vttjs.WebVTT; + + var cueShim = vttjs.VTTCue; + var regionShim = vttjs.VTTRegion; + var nativeVTTCue = window_1.VTTCue; + var nativeVTTRegion = window_1.VTTRegion; + + vttjs.shim = function () { + window_1.VTTCue = cueShim; + window_1.VTTRegion = regionShim; + }; + + vttjs.restore = function () { + window_1.VTTCue = nativeVTTCue; + window_1.VTTRegion = nativeVTTRegion; + }; + + if (!window_1.VTTCue) { + vttjs.shim(); + } + }); + var browserIndex_1 = browserIndex.WebVTT; + var browserIndex_2 = browserIndex.VTTCue; + var browserIndex_3 = browserIndex.VTTRegion; + + /** + * @file tech.js + */ + + /** + * An Object containing a structure like: `{src: 'url', type: 'mimetype'}` or string + * that just contains the src url alone. + * * `var SourceObject = {src: 'http://ex.com/video.mp4', type: 'video/mp4'};` + * `var SourceString = 'http://example.com/some-video.mp4';` + * + * @typedef {Object|string} Tech~SourceObject + * + * @property {string} src + * The url to the source + * + * @property {string} type + * The mime type of the source + */ + + /** + * A function used by {@link Tech} to create a new {@link TextTrack}. + * + * @private + * + * @param {Tech} self + * An instance of the Tech class. + * + * @param {string} kind + * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata) + * + * @param {string} [label] + * Label to identify the text track + * + * @param {string} [language] + * Two letter language abbreviation + * + * @param {Object} [options={}] + * An object with additional text track options + * + * @return {TextTrack} + * The text track that was created. + */ + function createTrackHelper(self, kind, label, language) { + var options = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {}; + + var tracks = self.textTracks(); + + options.kind = kind; + + if (label) { + options.label = label; + } + if (language) { + options.language = language; + } + options.tech = self; + + var track = new ALL.text.TrackClass(options); + + tracks.addTrack(track); + + return track; + } + + /** + * This is the base class for media playback technology controllers, such as + * {@link Flash} and {@link HTML5} + * + * @extends Component + */ + + var Tech = function (_Component) { + inherits(Tech, _Component); + + /** + * Create an instance of this Tech. + * + * @param {Object} [options] + * The key/value store of player options. + * + * @param {Component~ReadyCallback} ready + * Callback function to call when the `HTML5` Tech is ready. + */ + function Tech() { + var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + var ready = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : function () {}; + classCallCheck(this, Tech); + + // we don't want the tech to report user activity automatically. + // This is done manually in addControlsListeners + options.reportTouchActivity = false; + + // keep track of whether the current source has played at all to + // implement a very limited played() + var _this = possibleConstructorReturn(this, _Component.call(this, null, options, ready)); + + _this.hasStarted_ = false; + _this.on('playing', function () { + this.hasStarted_ = true; + }); + _this.on('loadstart', function () { + this.hasStarted_ = false; + }); + + ALL.names.forEach(function (name) { + var props = ALL[name]; + + if (options && options[props.getterName]) { + _this[props.privateName] = options[props.getterName]; + } + }); + + // Manually track progress in cases where the browser/flash player doesn't report it. + if (!_this.featuresProgressEvents) { + _this.manualProgressOn(); + } + + // Manually track timeupdates in cases where the browser/flash player doesn't report it. + if (!_this.featuresTimeupdateEvents) { + _this.manualTimeUpdatesOn(); + } + + ['Text', 'Audio', 'Video'].forEach(function (track) { + if (options['native' + track + 'Tracks'] === false) { + _this['featuresNative' + track + 'Tracks'] = false; + } + }); + + if (options.nativeCaptions === false || options.nativeTextTracks === false) { + _this.featuresNativeTextTracks = false; + } else if (options.nativeCaptions === true || options.nativeTextTracks === true) { + _this.featuresNativeTextTracks = true; + } + + if (!_this.featuresNativeTextTracks) { + _this.emulateTextTracks(); + } + + _this.autoRemoteTextTracks_ = new ALL.text.ListClass(); + + _this.initTrackListeners(); + + // Turn on component tap events only if not using native controls + if (!options.nativeControlsForTouch) { + _this.emitTapEvents(); + } + + if (_this.constructor) { + _this.name_ = _this.constructor.name || 'Unknown Tech'; + } + return _this; + } + + /** + * A special function to trigger source set in a way that will allow player + * to re-trigger if the player or tech are not ready yet. + * + * @fires Tech#sourceset + * @param {string} src The source string at the time of the source changing. + */ + + + Tech.prototype.triggerSourceset = function triggerSourceset(src) { + var _this2 = this; + + if (!this.isReady_) { + // on initial ready we have to trigger source set + // 1ms after ready so that player can watch for it. + this.one('ready', function () { + return _this2.setTimeout(function () { + return _this2.triggerSourceset(src); + }, 1); + }); + } + + /** + * Fired when the source is set on the tech causing the media element + * to reload. + * + * @see {@link Player#event:sourceset} + * @event Tech#sourceset + * @type {EventTarget~Event} + */ + this.trigger({ + src: src, + type: 'sourceset' + }); + }; + + /* Fallbacks for unsupported event types + ================================================================================ */ + + /** + * Polyfill the `progress` event for browsers that don't support it natively. + * + * @see {@link Tech#trackProgress} + */ + + + Tech.prototype.manualProgressOn = function manualProgressOn() { + this.on('durationchange', this.onDurationChange); + + this.manualProgress = true; + + // Trigger progress watching when a source begins loading + this.one('ready', this.trackProgress); + }; + + /** + * Turn off the polyfill for `progress` events that was created in + * {@link Tech#manualProgressOn} + */ + + + Tech.prototype.manualProgressOff = function manualProgressOff() { + this.manualProgress = false; + this.stopTrackingProgress(); + + this.off('durationchange', this.onDurationChange); + }; + + /** + * This is used to trigger a `progress` event when the buffered percent changes. It + * sets an interval function that will be called every 500 milliseconds to check if the + * buffer end percent has changed. + * + * > This function is called by {@link Tech#manualProgressOn} + * + * @param {EventTarget~Event} event + * The `ready` event that caused this to run. + * + * @listens Tech#ready + * @fires Tech#progress + */ + + + Tech.prototype.trackProgress = function trackProgress(event) { + this.stopTrackingProgress(); + this.progressInterval = this.setInterval(bind(this, function () { + // Don't trigger unless buffered amount is greater than last time + + var numBufferedPercent = this.bufferedPercent(); + + if (this.bufferedPercent_ !== numBufferedPercent) { + /** + * See {@link Player#progress} + * + * @event Tech#progress + * @type {EventTarget~Event} + */ + this.trigger('progress'); + } + + this.bufferedPercent_ = numBufferedPercent; + + if (numBufferedPercent === 1) { + this.stopTrackingProgress(); + } + }), 500); + }; + + /** + * Update our internal duration on a `durationchange` event by calling + * {@link Tech#duration}. + * + * @param {EventTarget~Event} event + * The `durationchange` event that caused this to run. + * + * @listens Tech#durationchange + */ + + + Tech.prototype.onDurationChange = function onDurationChange(event) { + this.duration_ = this.duration(); + }; + + /** + * Get and create a `TimeRange` object for buffering. + * + * @return {TimeRange} + * The time range object that was created. + */ + + + Tech.prototype.buffered = function buffered() { + return createTimeRanges(0, 0); + }; + + /** + * Get the percentage of the current video that is currently buffered. + * + * @return {number} + * A number from 0 to 1 that represents the decimal percentage of the + * video that is buffered. + * + */ + + + Tech.prototype.bufferedPercent = function bufferedPercent$$1() { + return bufferedPercent(this.buffered(), this.duration_); + }; + + /** + * Turn off the polyfill for `progress` events that was created in + * {@link Tech#manualProgressOn} + * Stop manually tracking progress events by clearing the interval that was set in + * {@link Tech#trackProgress}. + */ + + + Tech.prototype.stopTrackingProgress = function stopTrackingProgress() { + this.clearInterval(this.progressInterval); + }; + + /** + * Polyfill the `timeupdate` event for browsers that don't support it. + * + * @see {@link Tech#trackCurrentTime} + */ + + + Tech.prototype.manualTimeUpdatesOn = function manualTimeUpdatesOn() { + this.manualTimeUpdates = true; + + this.on('play', this.trackCurrentTime); + this.on('pause', this.stopTrackingCurrentTime); + }; + + /** + * Turn off the polyfill for `timeupdate` events that was created in + * {@link Tech#manualTimeUpdatesOn} + */ + + + Tech.prototype.manualTimeUpdatesOff = function manualTimeUpdatesOff() { + this.manualTimeUpdates = false; + this.stopTrackingCurrentTime(); + this.off('play', this.trackCurrentTime); + this.off('pause', this.stopTrackingCurrentTime); + }; + + /** + * Sets up an interval function to track current time and trigger `timeupdate` every + * 250 milliseconds. + * + * @listens Tech#play + * @triggers Tech#timeupdate + */ + + + Tech.prototype.trackCurrentTime = function trackCurrentTime() { + if (this.currentTimeInterval) { + this.stopTrackingCurrentTime(); + } + this.currentTimeInterval = this.setInterval(function () { + /** + * Triggered at an interval of 250ms to indicated that time is passing in the video. + * + * @event Tech#timeupdate + * @type {EventTarget~Event} + */ + this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true }); + + // 42 = 24 fps // 250 is what Webkit uses // FF uses 15 + }, 250); + }; + + /** + * Stop the interval function created in {@link Tech#trackCurrentTime} so that the + * `timeupdate` event is no longer triggered. + * + * @listens {Tech#pause} + */ + + + Tech.prototype.stopTrackingCurrentTime = function stopTrackingCurrentTime() { + this.clearInterval(this.currentTimeInterval); + + // #1002 - if the video ends right before the next timeupdate would happen, + // the progress bar won't make it all the way to the end + this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true }); + }; + + /** + * Turn off all event polyfills, clear the `Tech`s {@link AudioTrackList}, + * {@link VideoTrackList}, and {@link TextTrackList}, and dispose of this Tech. + * + * @fires Component#dispose + */ + + + Tech.prototype.dispose = function dispose() { + + // clear out all tracks because we can't reuse them between techs + this.clearTracks(NORMAL.names); + + // Turn off any manual progress or timeupdate tracking + if (this.manualProgress) { + this.manualProgressOff(); + } + + if (this.manualTimeUpdates) { + this.manualTimeUpdatesOff(); + } + + _Component.prototype.dispose.call(this); + }; + + /** + * Clear out a single `TrackList` or an array of `TrackLists` given their names. + * + * > Note: Techs without source handlers should call this between sources for `video` + * & `audio` tracks. You don't want to use them between tracks! + * + * @param {string[]|string} types + * TrackList names to clear, valid names are `video`, `audio`, and + * `text`. + */ + + + Tech.prototype.clearTracks = function clearTracks(types) { + var _this3 = this; + + types = [].concat(types); + // clear out all tracks because we can't reuse them between techs + types.forEach(function (type) { + var list = _this3[type + 'Tracks']() || []; + var i = list.length; + + while (i--) { + var track = list[i]; + + if (type === 'text') { + _this3.removeRemoteTextTrack(track); + } + list.removeTrack(track); + } + }); + }; + + /** + * Remove any TextTracks added via addRemoteTextTrack that are + * flagged for automatic garbage collection + */ + + + Tech.prototype.cleanupAutoTextTracks = function cleanupAutoTextTracks() { + var list = this.autoRemoteTextTracks_ || []; + var i = list.length; + + while (i--) { + var track = list[i]; + + this.removeRemoteTextTrack(track); + } + }; + + /** + * Reset the tech, which will removes all sources and reset the internal readyState. + * + * @abstract + */ + + + Tech.prototype.reset = function reset() {}; + + /** + * Get or set an error on the Tech. + * + * @param {MediaError} [err] + * Error to set on the Tech + * + * @return {MediaError|null} + * The current error object on the tech, or null if there isn't one. + */ + + + Tech.prototype.error = function error(err) { + if (err !== undefined) { + this.error_ = new MediaError(err); + this.trigger('error'); + } + return this.error_; + }; + + /** + * Returns the `TimeRange`s that have been played through for the current source. + * + * > NOTE: This implementation is incomplete. It does not track the played `TimeRange`. + * It only checks whether the source has played at all or not. + * + * @return {TimeRange} + * - A single time range if this video has played + * - An empty set of ranges if not. + */ + + + Tech.prototype.played = function played() { + if (this.hasStarted_) { + return createTimeRanges(0, 0); + } + return createTimeRanges(); + }; + + /** + * Causes a manual time update to occur if {@link Tech#manualTimeUpdatesOn} was + * previously called. + * + * @fires Tech#timeupdate + */ + + + Tech.prototype.setCurrentTime = function setCurrentTime() { + // improve the accuracy of manual timeupdates + if (this.manualTimeUpdates) { + /** + * A manual `timeupdate` event. + * + * @event Tech#timeupdate + * @type {EventTarget~Event} + */ + this.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true }); + } + }; + + /** + * Turn on listeners for {@link VideoTrackList}, {@link {AudioTrackList}, and + * {@link TextTrackList} events. + * + * This adds {@link EventTarget~EventListeners} for `addtrack`, and `removetrack`. + * + * @fires Tech#audiotrackchange + * @fires Tech#videotrackchange + * @fires Tech#texttrackchange + */ + + + Tech.prototype.initTrackListeners = function initTrackListeners() { + var _this4 = this; + + /** + * Triggered when tracks are added or removed on the Tech {@link AudioTrackList} + * + * @event Tech#audiotrackchange + * @type {EventTarget~Event} + */ + + /** + * Triggered when tracks are added or removed on the Tech {@link VideoTrackList} + * + * @event Tech#videotrackchange + * @type {EventTarget~Event} + */ + + /** + * Triggered when tracks are added or removed on the Tech {@link TextTrackList} + * + * @event Tech#texttrackchange + * @type {EventTarget~Event} + */ + NORMAL.names.forEach(function (name) { + var props = NORMAL[name]; + var trackListChanges = function trackListChanges() { + _this4.trigger(name + 'trackchange'); + }; + + var tracks = _this4[props.getterName](); + + tracks.addEventListener('removetrack', trackListChanges); + tracks.addEventListener('addtrack', trackListChanges); + + _this4.on('dispose', function () { + tracks.removeEventListener('removetrack', trackListChanges); + tracks.removeEventListener('addtrack', trackListChanges); + }); + }); + }; + + /** + * Emulate TextTracks using vtt.js if necessary + * + * @fires Tech#vttjsloaded + * @fires Tech#vttjserror + */ + + + Tech.prototype.addWebVttScript_ = function addWebVttScript_() { + var _this5 = this; + + if (window_1.WebVTT) { + return; + } + + // Initially, Tech.el_ is a child of a dummy-div wait until the Component system + // signals that the Tech is ready at which point Tech.el_ is part of the DOM + // before inserting the WebVTT script + if (document_1.body.contains(this.el())) { + + // load via require if available and vtt.js script location was not passed in + // as an option. novtt builds will turn the above require call into an empty object + // which will cause this if check to always fail. + if (!this.options_['vtt.js'] && isPlain(browserIndex) && Object.keys(browserIndex).length > 0) { + this.trigger('vttjsloaded'); + return; + } + + // load vtt.js via the script location option or the cdn of no location was + // passed in + var script = document_1.createElement('script'); + + script.src = this.options_['vtt.js'] || 'https://vjs.zencdn.net/vttjs/0.14.1/vtt.min.js'; + script.onload = function () { + /** + * Fired when vtt.js is loaded. + * + * @event Tech#vttjsloaded + * @type {EventTarget~Event} + */ + _this5.trigger('vttjsloaded'); + }; + script.onerror = function () { + /** + * Fired when vtt.js was not loaded due to an error + * + * @event Tech#vttjsloaded + * @type {EventTarget~Event} + */ + _this5.trigger('vttjserror'); + }; + this.on('dispose', function () { + script.onload = null; + script.onerror = null; + }); + // but have not loaded yet and we set it to true before the inject so that + // we don't overwrite the injected window.WebVTT if it loads right away + window_1.WebVTT = true; + this.el().parentNode.appendChild(script); + } else { + this.ready(this.addWebVttScript_); + } + }; + + /** + * Emulate texttracks + * + */ + + + Tech.prototype.emulateTextTracks = function emulateTextTracks() { + var _this6 = this; + + var tracks = this.textTracks(); + var remoteTracks = this.remoteTextTracks(); + var handleAddTrack = function handleAddTrack(e) { + return tracks.addTrack(e.track); + }; + var handleRemoveTrack = function handleRemoveTrack(e) { + return tracks.removeTrack(e.track); + }; + + remoteTracks.on('addtrack', handleAddTrack); + remoteTracks.on('removetrack', handleRemoveTrack); + + this.addWebVttScript_(); + + var updateDisplay = function updateDisplay() { + return _this6.trigger('texttrackchange'); + }; + + var textTracksChanges = function textTracksChanges() { + updateDisplay(); + + for (var i = 0; i < tracks.length; i++) { + var track = tracks[i]; + + track.removeEventListener('cuechange', updateDisplay); + if (track.mode === 'showing') { + track.addEventListener('cuechange', updateDisplay); + } + } + }; + + textTracksChanges(); + tracks.addEventListener('change', textTracksChanges); + tracks.addEventListener('addtrack', textTracksChanges); + tracks.addEventListener('removetrack', textTracksChanges); + + this.on('dispose', function () { + remoteTracks.off('addtrack', handleAddTrack); + remoteTracks.off('removetrack', handleRemoveTrack); + tracks.removeEventListener('change', textTracksChanges); + tracks.removeEventListener('addtrack', textTracksChanges); + tracks.removeEventListener('removetrack', textTracksChanges); + + for (var i = 0; i < tracks.length; i++) { + var track = tracks[i]; + + track.removeEventListener('cuechange', updateDisplay); + } + }); + }; + + /** + * Create and returns a remote {@link TextTrack} object. + * + * @param {string} kind + * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata) + * + * @param {string} [label] + * Label to identify the text track + * + * @param {string} [language] + * Two letter language abbreviation + * + * @return {TextTrack} + * The TextTrack that gets created. + */ + + + Tech.prototype.addTextTrack = function addTextTrack(kind, label, language) { + if (!kind) { + throw new Error('TextTrack kind is required but was not provided'); + } + + return createTrackHelper(this, kind, label, language); + }; + + /** + * Create an emulated TextTrack for use by addRemoteTextTrack + * + * This is intended to be overridden by classes that inherit from + * Tech in order to create native or custom TextTracks. + * + * @param {Object} options + * The object should contain the options to initialize the TextTrack with. + * + * @param {string} [options.kind] + * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata). + * + * @param {string} [options.label]. + * Label to identify the text track + * + * @param {string} [options.language] + * Two letter language abbreviation. + * + * @return {HTMLTrackElement} + * The track element that gets created. + */ + + + Tech.prototype.createRemoteTextTrack = function createRemoteTextTrack(options) { + var track = mergeOptions(options, { + tech: this + }); + + return new REMOTE.remoteTextEl.TrackClass(track); + }; + + /** + * Creates a remote text track object and returns an html track element. + * + * > Note: This can be an emulated {@link HTMLTrackElement} or a native one. + * + * @param {Object} options + * See {@link Tech#createRemoteTextTrack} for more detailed properties. + * + * @param {boolean} [manualCleanup=true] + * - When false: the TextTrack will be automatically removed from the video + * element whenever the source changes + * - When True: The TextTrack will have to be cleaned up manually + * + * @return {HTMLTrackElement} + * An Html Track Element. + * + * @deprecated The default functionality for this function will be equivalent + * to "manualCleanup=false" in the future. The manualCleanup parameter will + * also be removed. + */ + + + Tech.prototype.addRemoteTextTrack = function addRemoteTextTrack() { + var _this7 = this; + + var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + var manualCleanup = arguments[1]; + + var htmlTrackElement = this.createRemoteTextTrack(options); + + if (manualCleanup !== true && manualCleanup !== false) { + // deprecation warning + log$1.warn('Calling addRemoteTextTrack without explicitly setting the "manualCleanup" parameter to `true` is deprecated and default to `false` in future version of video.js'); + manualCleanup = true; + } + + // store HTMLTrackElement and TextTrack to remote list + this.remoteTextTrackEls().addTrackElement_(htmlTrackElement); + this.remoteTextTracks().addTrack(htmlTrackElement.track); + + if (manualCleanup !== true) { + // create the TextTrackList if it doesn't exist + this.ready(function () { + return _this7.autoRemoteTextTracks_.addTrack(htmlTrackElement.track); + }); + } + + return htmlTrackElement; + }; + + /** + * Remove a remote text track from the remote `TextTrackList`. + * + * @param {TextTrack} track + * `TextTrack` to remove from the `TextTrackList` + */ + + + Tech.prototype.removeRemoteTextTrack = function removeRemoteTextTrack(track) { + var trackElement = this.remoteTextTrackEls().getTrackElementByTrack_(track); + + // remove HTMLTrackElement and TextTrack from remote list + this.remoteTextTrackEls().removeTrackElement_(trackElement); + this.remoteTextTracks().removeTrack(track); + this.autoRemoteTextTracks_.removeTrack(track); + }; + + /** + * Gets available media playback quality metrics as specified by the W3C's Media + * Playback Quality API. + * + * @see [Spec]{@link https://wicg.github.io/media-playback-quality} + * + * @return {Object} + * An object with supported media playback quality metrics + * + * @abstract + */ + + + Tech.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() { + return {}; + }; + + /** + * A method to set a poster from a `Tech`. + * + * @abstract + */ + + + Tech.prototype.setPoster = function setPoster() {}; + + /** + * A method to check for the presence of the 'playsinline' <video> attribute. + * + * @abstract + */ + + + Tech.prototype.playsinline = function playsinline() {}; + + /** + * A method to set or unset the 'playsinline' <video> attribute. + * + * @abstract + */ + + + Tech.prototype.setPlaysinline = function setPlaysinline() {}; + + /** + * Attempt to force override of native audio tracks. + * + * @param {Boolean} override - If set to true native audio will be overridden, + * otherwise native audio will potentially be used. + * + * @abstract + */ + + + Tech.prototype.overrideNativeAudioTracks = function overrideNativeAudioTracks() {}; + + /** + * Attempt to force override of native video tracks. + * + * @param {Boolean} override - If set to true native video will be overridden, + * otherwise native video will potentially be used. + * + * @abstract + */ + + + Tech.prototype.overrideNativeVideoTracks = function overrideNativeVideoTracks() {}; + + /* + * Check if the tech can support the given mime-type. + * + * The base tech does not support any type, but source handlers might + * overwrite this. + * + * @param {string} type + * The mimetype to check for support + * + * @return {string} + * 'probably', 'maybe', or empty string + * + * @see [Spec]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/canPlayType} + * + * @abstract + */ + + + Tech.prototype.canPlayType = function canPlayType() { + return ''; + }; + + /** + * Check if the type is supported by this tech. + * + * The base tech does not support any type, but source handlers might + * overwrite this. + * + * @param {string} type + * The media type to check + * @return {string} Returns the native video element's response + */ + + + Tech.canPlayType = function canPlayType() { + return ''; + }; + + /** + * Check if the tech can support the given source + * @param {Object} srcObj + * The source object + * @param {Object} options + * The options passed to the tech + * @return {string} 'probably', 'maybe', or '' (empty string) + */ + + + Tech.canPlaySource = function canPlaySource(srcObj, options) { + return Tech.canPlayType(srcObj.type); + }; + + /* + * Return whether the argument is a Tech or not. + * Can be passed either a Class like `Html5` or a instance like `player.tech_` + * + * @param {Object} component + * The item to check + * + * @return {boolean} + * Whether it is a tech or not + * - True if it is a tech + * - False if it is not + */ + + + Tech.isTech = function isTech(component) { + return component.prototype instanceof Tech || component instanceof Tech || component === Tech; + }; + + /** + * Registers a `Tech` into a shared list for videojs. + * + * @param {string} name + * Name of the `Tech` to register. + * + * @param {Object} tech + * The `Tech` class to register. + */ + + + Tech.registerTech = function registerTech(name, tech) { + if (!Tech.techs_) { + Tech.techs_ = {}; + } + + if (!Tech.isTech(tech)) { + throw new Error('Tech ' + name + ' must be a Tech'); + } + + if (!Tech.canPlayType) { + throw new Error('Techs must have a static canPlayType method on them'); + } + if (!Tech.canPlaySource) { + throw new Error('Techs must have a static canPlaySource method on them'); + } + + name = toTitleCase(name); + + Tech.techs_[name] = tech; + if (name !== 'Tech') { + // camel case the techName for use in techOrder + Tech.defaultTechOrder_.push(name); + } + return tech; + }; + + /** + * Get a `Tech` from the shared list by name. + * + * @param {string} name + * `camelCase` or `TitleCase` name of the Tech to get + * + * @return {Tech|undefined} + * The `Tech` or undefined if there was no tech with the name requested. + */ + + + Tech.getTech = function getTech(name) { + if (!name) { + return; + } + + name = toTitleCase(name); + + if (Tech.techs_ && Tech.techs_[name]) { + return Tech.techs_[name]; + } + + if (window_1 && window_1.videojs && window_1.videojs[name]) { + log$1.warn('The ' + name + ' tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)'); + return window_1.videojs[name]; + } + }; + + return Tech; + }(Component); + + /** + * Get the {@link VideoTrackList} + * + * @returns {VideoTrackList} + * @method Tech.prototype.videoTracks + */ + + /** + * Get the {@link AudioTrackList} + * + * @returns {AudioTrackList} + * @method Tech.prototype.audioTracks + */ + + /** + * Get the {@link TextTrackList} + * + * @returns {TextTrackList} + * @method Tech.prototype.textTracks + */ + + /** + * Get the remote element {@link TextTrackList} + * + * @returns {TextTrackList} + * @method Tech.prototype.remoteTextTracks + */ + + /** + * Get the remote element {@link HtmlTrackElementList} + * + * @returns {HtmlTrackElementList} + * @method Tech.prototype.remoteTextTrackEls + */ + + ALL.names.forEach(function (name) { + var props = ALL[name]; + + Tech.prototype[props.getterName] = function () { + this[props.privateName] = this[props.privateName] || new props.ListClass(); + return this[props.privateName]; + }; + }); + + /** + * List of associated text tracks + * + * @type {TextTrackList} + * @private + * @property Tech#textTracks_ + */ + + /** + * List of associated audio tracks. + * + * @type {AudioTrackList} + * @private + * @property Tech#audioTracks_ + */ + + /** + * List of associated video tracks. + * + * @type {VideoTrackList} + * @private + * @property Tech#videoTracks_ + */ + + /** + * Boolean indicating whether the `Tech` supports volume control. + * + * @type {boolean} + * @default + */ + Tech.prototype.featuresVolumeControl = true; + + /** + * Boolean indicating whether the `Tech` supports muting volume. + * + * @type {bolean} + * @default + */ + Tech.prototype.featuresMuteControl = true; + + /** + * Boolean indicating whether the `Tech` supports fullscreen resize control. + * Resizing plugins using request fullscreen reloads the plugin + * + * @type {boolean} + * @default + */ + Tech.prototype.featuresFullscreenResize = false; + + /** + * Boolean indicating whether the `Tech` supports changing the speed at which the video + * plays. Examples: + * - Set player to play 2x (twice) as fast + * - Set player to play 0.5x (half) as fast + * + * @type {boolean} + * @default + */ + Tech.prototype.featuresPlaybackRate = false; + + /** + * Boolean indicating whether the `Tech` supports the `progress` event. This is currently + * not triggered by video-js-swf. This will be used to determine if + * {@link Tech#manualProgressOn} should be called. + * + * @type {boolean} + * @default + */ + Tech.prototype.featuresProgressEvents = false; + + /** + * Boolean indicating whether the `Tech` supports the `sourceset` event. + * + * A tech should set this to `true` and then use {@link Tech#triggerSourceset} + * to trigger a {@link Tech#event:sourceset} at the earliest time after getting + * a new source. + * + * @type {boolean} + * @default + */ + Tech.prototype.featuresSourceset = false; + + /** + * Boolean indicating whether the `Tech` supports the `timeupdate` event. This is currently + * not triggered by video-js-swf. This will be used to determine if + * {@link Tech#manualTimeUpdates} should be called. + * + * @type {boolean} + * @default + */ + Tech.prototype.featuresTimeupdateEvents = false; + + /** + * Boolean indicating whether the `Tech` supports the native `TextTrack`s. + * This will help us integrate with native `TextTrack`s if the browser supports them. + * + * @type {boolean} + * @default + */ + Tech.prototype.featuresNativeTextTracks = false; + + /** + * A functional mixin for techs that want to use the Source Handler pattern. + * Source handlers are scripts for handling specific formats. + * The source handler pattern is used for adaptive formats (HLS, DASH) that + * manually load video data and feed it into a Source Buffer (Media Source Extensions) + * Example: `Tech.withSourceHandlers.call(MyTech);` + * + * @param {Tech} _Tech + * The tech to add source handler functions to. + * + * @mixes Tech~SourceHandlerAdditions + */ + Tech.withSourceHandlers = function (_Tech) { + + /** + * Register a source handler + * + * @param {Function} handler + * The source handler class + * + * @param {number} [index] + * Register it at the following index + */ + _Tech.registerSourceHandler = function (handler, index) { + var handlers = _Tech.sourceHandlers; + + if (!handlers) { + handlers = _Tech.sourceHandlers = []; + } + + if (index === undefined) { + // add to the end of the list + index = handlers.length; + } + + handlers.splice(index, 0, handler); + }; + + /** + * Check if the tech can support the given type. Also checks the + * Techs sourceHandlers. + * + * @param {string} type + * The mimetype to check. + * + * @return {string} + * 'probably', 'maybe', or '' (empty string) + */ + _Tech.canPlayType = function (type) { + var handlers = _Tech.sourceHandlers || []; + var can = void 0; + + for (var i = 0; i < handlers.length; i++) { + can = handlers[i].canPlayType(type); + + if (can) { + return can; + } + } + + return ''; + }; + + /** + * Returns the first source handler that supports the source. + * + * TODO: Answer question: should 'probably' be prioritized over 'maybe' + * + * @param {Tech~SourceObject} source + * The source object + * + * @param {Object} options + * The options passed to the tech + * + * @return {SourceHandler|null} + * The first source handler that supports the source or null if + * no SourceHandler supports the source + */ + _Tech.selectSourceHandler = function (source, options) { + var handlers = _Tech.sourceHandlers || []; + var can = void 0; + + for (var i = 0; i < handlers.length; i++) { + can = handlers[i].canHandleSource(source, options); + + if (can) { + return handlers[i]; + } + } + + return null; + }; + + /** + * Check if the tech can support the given source. + * + * @param {Tech~SourceObject} srcObj + * The source object + * + * @param {Object} options + * The options passed to the tech + * + * @return {string} + * 'probably', 'maybe', or '' (empty string) + */ + _Tech.canPlaySource = function (srcObj, options) { + var sh = _Tech.selectSourceHandler(srcObj, options); + + if (sh) { + return sh.canHandleSource(srcObj, options); + } + + return ''; + }; + + /** + * When using a source handler, prefer its implementation of + * any function normally provided by the tech. + */ + var deferrable = ['seekable', 'seeking', 'duration']; + + /** + * A wrapper around {@link Tech#seekable} that will call a `SourceHandler`s seekable + * function if it exists, with a fallback to the Techs seekable function. + * + * @method _Tech.seekable + */ + + /** + * A wrapper around {@link Tech#duration} that will call a `SourceHandler`s duration + * function if it exists, otherwise it will fallback to the techs duration function. + * + * @method _Tech.duration + */ + + deferrable.forEach(function (fnName) { + var originalFn = this[fnName]; + + if (typeof originalFn !== 'function') { + return; + } + + this[fnName] = function () { + if (this.sourceHandler_ && this.sourceHandler_[fnName]) { + return this.sourceHandler_[fnName].apply(this.sourceHandler_, arguments); + } + return originalFn.apply(this, arguments); + }; + }, _Tech.prototype); + + /** + * Create a function for setting the source using a source object + * and source handlers. + * Should never be called unless a source handler was found. + * + * @param {Tech~SourceObject} source + * A source object with src and type keys + */ + _Tech.prototype.setSource = function (source) { + var sh = _Tech.selectSourceHandler(source, this.options_); + + if (!sh) { + // Fall back to a native source hander when unsupported sources are + // deliberately set + if (_Tech.nativeSourceHandler) { + sh = _Tech.nativeSourceHandler; + } else { + log$1.error('No source handler found for the current source.'); + } + } + + // Dispose any existing source handler + this.disposeSourceHandler(); + this.off('dispose', this.disposeSourceHandler); + + if (sh !== _Tech.nativeSourceHandler) { + this.currentSource_ = source; + } + + this.sourceHandler_ = sh.handleSource(source, this, this.options_); + this.on('dispose', this.disposeSourceHandler); + }; + + /** + * Clean up any existing SourceHandlers and listeners when the Tech is disposed. + * + * @listens Tech#dispose + */ + _Tech.prototype.disposeSourceHandler = function () { + // if we have a source and get another one + // then we are loading something new + // than clear all of our current tracks + if (this.currentSource_) { + this.clearTracks(['audio', 'video']); + this.currentSource_ = null; + } + + // always clean up auto-text tracks + this.cleanupAutoTextTracks(); + + if (this.sourceHandler_) { + + if (this.sourceHandler_.dispose) { + this.sourceHandler_.dispose(); + } + + this.sourceHandler_ = null; + } + }; + }; + + // The base Tech class needs to be registered as a Component. It is the only + // Tech that can be registered as a Component. + Component.registerComponent('Tech', Tech); + Tech.registerTech('Tech', Tech); + + /** + * A list of techs that should be added to techOrder on Players + * + * @private + */ + Tech.defaultTechOrder_ = []; + + var middlewares = {}; + var middlewareInstances = {}; + + var TERMINATOR = {}; + + function use(type, middleware) { + middlewares[type] = middlewares[type] || []; + middlewares[type].push(middleware); + } + + function setSource(player, src, next) { + player.setTimeout(function () { + return setSourceHelper(src, middlewares[src.type], next, player); + }, 1); + } + + function setTech(middleware, tech) { + middleware.forEach(function (mw) { + return mw.setTech && mw.setTech(tech); + }); + } + + /** + * Calls a getter on the tech first, through each middleware + * from right to left to the player. + */ + function get$1(middleware, tech, method) { + return middleware.reduceRight(middlewareIterator(method), tech[method]()); + } + + /** + * Takes the argument given to the player and calls the setter method on each + * middleware from left to right to the tech. + */ + function set$1(middleware, tech, method, arg) { + return tech[method](middleware.reduce(middlewareIterator(method), arg)); + } + + /** + * Takes the argument given to the player and calls the `call` version of the method + * on each middleware from left to right. + * Then, call the passed in method on the tech and return the result unchanged + * back to the player, through middleware, this time from right to left. + */ + function mediate(middleware, tech, method) { + var arg = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null; + + var callMethod = 'call' + toTitleCase(method); + var middlewareValue = middleware.reduce(middlewareIterator(callMethod), arg); + var terminated = middlewareValue === TERMINATOR; + var returnValue = terminated ? null : tech[method](middlewareValue); + + executeRight(middleware, method, returnValue, terminated); + + return returnValue; + } + + var allowedGetters = { + buffered: 1, + currentTime: 1, + duration: 1, + seekable: 1, + played: 1, + paused: 1 + }; + + var allowedSetters = { + setCurrentTime: 1 + }; + + var allowedMediators = { + play: 1, + pause: 1 + }; + + function middlewareIterator(method) { + return function (value, mw) { + // if the previous middleware terminated, pass along the termination + if (value === TERMINATOR) { + return TERMINATOR; + } + + if (mw[method]) { + return mw[method](value); + } + + return value; + }; + } + + function executeRight(mws, method, value, terminated) { + for (var i = mws.length - 1; i >= 0; i--) { + var mw = mws[i]; + + if (mw[method]) { + mw[method](terminated, value); + } + } + } + + function clearCacheForPlayer(player) { + middlewareInstances[player.id()] = null; + } + + /** + * { + * [playerId]: [[mwFactory, mwInstance], ...] + * } + */ + function getOrCreateFactory(player, mwFactory) { + var mws = middlewareInstances[player.id()]; + var mw = null; + + if (mws === undefined || mws === null) { + mw = mwFactory(player); + middlewareInstances[player.id()] = [[mwFactory, mw]]; + return mw; + } + + for (var i = 0; i < mws.length; i++) { + var _mws$i = mws[i], + mwf = _mws$i[0], + mwi = _mws$i[1]; + + + if (mwf !== mwFactory) { + continue; + } + + mw = mwi; + } + + if (mw === null) { + mw = mwFactory(player); + mws.push([mwFactory, mw]); + } + + return mw; + } + + function setSourceHelper() { + var src = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + var middleware = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : []; + var next = arguments[2]; + var player = arguments[3]; + var acc = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : []; + var lastRun = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : false; + var mwFactory = middleware[0], + mwrest = middleware.slice(1); + + // if mwFactory is a string, then we're at a fork in the road + + if (typeof mwFactory === 'string') { + setSourceHelper(src, middlewares[mwFactory], next, player, acc, lastRun); + + // if we have an mwFactory, call it with the player to get the mw, + // then call the mw's setSource method + } else if (mwFactory) { + var mw = getOrCreateFactory(player, mwFactory); + + // if setSource isn't present, implicitly select this middleware + if (!mw.setSource) { + acc.push(mw); + return setSourceHelper(src, mwrest, next, player, acc, lastRun); + } + + mw.setSource(assign({}, src), function (err, _src) { + + // something happened, try the next middleware on the current level + // make sure to use the old src + if (err) { + return setSourceHelper(src, mwrest, next, player, acc, lastRun); + } + + // we've succeeded, now we need to go deeper + acc.push(mw); + + // if it's the same type, continue down the current chain + // otherwise, we want to go down the new chain + setSourceHelper(_src, src.type === _src.type ? mwrest : middlewares[_src.type], next, player, acc, lastRun); + }); + } else if (mwrest.length) { + setSourceHelper(src, mwrest, next, player, acc, lastRun); + } else if (lastRun) { + next(src, acc); + } else { + setSourceHelper(src, middlewares['*'], next, player, acc, true); + } + } + + /** + * Mimetypes + * + * @see http://hul.harvard.edu/ois/////systems/wax/wax-public-help/mimetypes.htm + * @typedef Mimetypes~Kind + * @enum + */ + var MimetypesKind = { + opus: 'video/ogg', + ogv: 'video/ogg', + mp4: 'video/mp4', + mov: 'video/mp4', + m4v: 'video/mp4', + mkv: 'video/x-matroska', + mp3: 'audio/mpeg', + aac: 'audio/aac', + oga: 'audio/ogg', + m3u8: 'application/x-mpegURL' + }; + + /** + * Get the mimetype of a given src url if possible + * + * @param {string} src + * The url to the src + * + * @return {string} + * return the mimetype if it was known or empty string otherwise + */ + var getMimetype = function getMimetype() { + var src = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ''; + + var ext = getFileExtension(src); + var mimetype = MimetypesKind[ext.toLowerCase()]; + + return mimetype || ''; + }; + + /** + * Find the mime type of a given source string if possible. Uses the player + * source cache. + * + * @param {Player} player + * The player object + * + * @param {string} src + * The source string + * + * @return {string} + * The type that was found + */ + var findMimetype = function findMimetype(player, src) { + if (!src) { + return ''; + } + + // 1. check for the type in the `source` cache + if (player.cache_.source.src === src && player.cache_.source.type) { + return player.cache_.source.type; + } + + // 2. see if we have this source in our `currentSources` cache + var matchingSources = player.cache_.sources.filter(function (s) { + return s.src === src; + }); + + if (matchingSources.length) { + return matchingSources[0].type; + } + + // 3. look for the src url in source elements and use the type there + var sources = player.$$('source'); + + for (var i = 0; i < sources.length; i++) { + var s = sources[i]; + + if (s.type && s.src && s.src === src) { + return s.type; + } + } + + // 4. finally fallback to our list of mime types based on src url extension + return getMimetype(src); + }; + + /** + * @module filter-source + */ + + /** + * Filter out single bad source objects or multiple source objects in an + * array. Also flattens nested source object arrays into a 1 dimensional + * array of source objects. + * + * @param {Tech~SourceObject|Tech~SourceObject[]} src + * The src object to filter + * + * @return {Tech~SourceObject[]} + * An array of sourceobjects containing only valid sources + * + * @private + */ + var filterSource = function filterSource(src) { + // traverse array + if (Array.isArray(src)) { + var newsrc = []; + + src.forEach(function (srcobj) { + srcobj = filterSource(srcobj); + + if (Array.isArray(srcobj)) { + newsrc = newsrc.concat(srcobj); + } else if (isObject(srcobj)) { + newsrc.push(srcobj); + } + }); + + src = newsrc; + } else if (typeof src === 'string' && src.trim()) { + // convert string into object + src = [fixSource({ src: src })]; + } else if (isObject(src) && typeof src.src === 'string' && src.src && src.src.trim()) { + // src is already valid + src = [fixSource(src)]; + } else { + // invalid source, turn it into an empty array + src = []; + } + + return src; + }; + + /** + * Checks src mimetype, adding it when possible + * + * @param {Tech~SourceObject} src + * The src object to check + * @return {Tech~SourceObject} + * src Object with known type + */ + function fixSource(src) { + var mimetype = getMimetype(src.src); + + if (!src.type && mimetype) { + src.type = mimetype; + } + + return src; + } + + /** + * @file loader.js + */ + + /** + * The `MediaLoader` is the `Component` that decides which playback technology to load + * when a player is initialized. + * + * @extends Component + */ + + var MediaLoader = function (_Component) { + inherits(MediaLoader, _Component); + + /** + * Create an instance of this class. + * + * @param {Player} player + * The `Player` that this class should attach to. + * + * @param {Object} [options] + * The key/value store of player options. + * + * @param {Component~ReadyCallback} [ready] + * The function that is run when this component is ready. + */ + function MediaLoader(player, options, ready) { + classCallCheck(this, MediaLoader); + + // MediaLoader has no element + var options_ = mergeOptions({ createEl: false }, options); + + // If there are no sources when the player is initialized, + // load the first supported playback technology. + + var _this = possibleConstructorReturn(this, _Component.call(this, player, options_, ready)); + + if (!options.playerOptions.sources || options.playerOptions.sources.length === 0) { + for (var i = 0, j = options.playerOptions.techOrder; i < j.length; i++) { + var techName = toTitleCase(j[i]); + var tech = Tech.getTech(techName); + + // Support old behavior of techs being registered as components. + // Remove once that deprecated behavior is removed. + if (!techName) { + tech = Component.getComponent(techName); + } + + // Check if the browser supports this technology + if (tech && tech.isSupported()) { + player.loadTech_(techName); + break; + } + } + } else { + // Loop through playback technologies (HTML5, Flash) and check for support. + // Then load the best source. + // A few assumptions here: + // All playback technologies respect preload false. + player.src(options.playerOptions.sources); + } + return _this; + } + + return MediaLoader; + }(Component); + + Component.registerComponent('MediaLoader', MediaLoader); + + /** + * @file clickable-component.js + */ + + /** + * Clickable Component which is clickable or keyboard actionable, + * but is not a native HTML button. + * + * @extends Component + */ + + var ClickableComponent = function (_Component) { + inherits(ClickableComponent, _Component); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function ClickableComponent(player, options) { + classCallCheck(this, ClickableComponent); + + var _this = possibleConstructorReturn(this, _Component.call(this, player, options)); + + _this.emitTapEvents(); + + _this.enable(); + return _this; + } + + /** + * Create the `Component`s DOM element. + * + * @param {string} [tag=div] + * The element's node type. + * + * @param {Object} [props={}] + * An object of properties that should be set on the element. + * + * @param {Object} [attributes={}] + * An object of attributes that should be set on the element. + * + * @return {Element} + * The element that gets created. + */ + + + ClickableComponent.prototype.createEl = function createEl$$1() { + var tag = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'div'; + var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; + + props = assign({ + innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>', + className: this.buildCSSClass(), + tabIndex: 0 + }, props); + + if (tag === 'button') { + log$1.error('Creating a ClickableComponent with an HTML element of ' + tag + ' is not supported; use a Button instead.'); + } + + // Add ARIA attributes for clickable element which is not a native HTML button + attributes = assign({ + role: 'button' + }, attributes); + + this.tabIndex_ = props.tabIndex; + + var el = _Component.prototype.createEl.call(this, tag, props, attributes); + + this.createControlTextEl(el); + + return el; + }; + + ClickableComponent.prototype.dispose = function dispose() { + // remove controlTextEl_ on dispose + this.controlTextEl_ = null; + + _Component.prototype.dispose.call(this); + }; + + /** + * Create a control text element on this `Component` + * + * @param {Element} [el] + * Parent element for the control text. + * + * @return {Element} + * The control text element that gets created. + */ + + + ClickableComponent.prototype.createControlTextEl = function createControlTextEl(el) { + this.controlTextEl_ = createEl('span', { + className: 'vjs-control-text' + }, { + // let the screen reader user know that the text of the element may change + 'aria-live': 'polite' + }); + + if (el) { + el.appendChild(this.controlTextEl_); + } + + this.controlText(this.controlText_, el); + + return this.controlTextEl_; + }; + + /** + * Get or set the localize text to use for the controls on the `Component`. + * + * @param {string} [text] + * Control text for element. + * + * @param {Element} [el=this.el()] + * Element to set the title on. + * + * @return {string} + * - The control text when getting + */ + + + ClickableComponent.prototype.controlText = function controlText(text) { + var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.el(); + + if (text === undefined) { + return this.controlText_ || 'Need Text'; + } + + var localizedText = this.localize(text); + + this.controlText_ = text; + textContent(this.controlTextEl_, localizedText); + if (!this.nonIconControl) { + // Set title attribute if only an icon is shown + el.setAttribute('title', localizedText); + } + }; + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + ClickableComponent.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-control vjs-button ' + _Component.prototype.buildCSSClass.call(this); + }; + + /** + * Enable this `Component`s element. + */ + + + ClickableComponent.prototype.enable = function enable() { + if (!this.enabled_) { + this.enabled_ = true; + this.removeClass('vjs-disabled'); + this.el_.setAttribute('aria-disabled', 'false'); + if (typeof this.tabIndex_ !== 'undefined') { + this.el_.setAttribute('tabIndex', this.tabIndex_); + } + this.on(['tap', 'click'], this.handleClick); + this.on('focus', this.handleFocus); + this.on('blur', this.handleBlur); + } + }; + + /** + * Disable this `Component`s element. + */ + + + ClickableComponent.prototype.disable = function disable() { + this.enabled_ = false; + this.addClass('vjs-disabled'); + this.el_.setAttribute('aria-disabled', 'true'); + if (typeof this.tabIndex_ !== 'undefined') { + this.el_.removeAttribute('tabIndex'); + } + this.off(['tap', 'click'], this.handleClick); + this.off('focus', this.handleFocus); + this.off('blur', this.handleBlur); + }; + + /** + * This gets called when a `ClickableComponent` gets: + * - Clicked (via the `click` event, listening starts in the constructor) + * - Tapped (via the `tap` event, listening starts in the constructor) + * - The following things happen in order: + * 1. {@link ClickableComponent#handleFocus} is called via a `focus` event on the + * `ClickableComponent`. + * 2. {@link ClickableComponent#handleFocus} adds a listener for `keydown` on using + * {@link ClickableComponent#handleKeyPress}. + * 3. `ClickableComponent` has not had a `blur` event (`blur` means that focus was lost). The user presses + * the space or enter key. + * 4. {@link ClickableComponent#handleKeyPress} calls this function with the `keydown` + * event as a parameter. + * + * @param {EventTarget~Event} event + * The `keydown`, `tap`, or `click` event that caused this function to be + * called. + * + * @listens tap + * @listens click + * @abstract + */ + + + ClickableComponent.prototype.handleClick = function handleClick(event) {}; + + /** + * This gets called when a `ClickableComponent` gains focus via a `focus` event. + * Turns on listening for `keydown` events. When they happen it + * calls `this.handleKeyPress`. + * + * @param {EventTarget~Event} event + * The `focus` event that caused this function to be called. + * + * @listens focus + */ + + + ClickableComponent.prototype.handleFocus = function handleFocus(event) { + on(document_1, 'keydown', bind(this, this.handleKeyPress)); + }; + + /** + * Called when this ClickableComponent has focus and a key gets pressed down. By + * default it will call `this.handleClick` when the key is space or enter. + * + * @param {EventTarget~Event} event + * The `keydown` event that caused this function to be called. + * + * @listens keydown + */ + + + ClickableComponent.prototype.handleKeyPress = function handleKeyPress(event) { + + // Support Space (32) or Enter (13) key operation to fire a click event + if (event.which === 32 || event.which === 13) { + event.preventDefault(); + this.trigger('click'); + } else if (_Component.prototype.handleKeyPress) { + + // Pass keypress handling up for unsupported keys + _Component.prototype.handleKeyPress.call(this, event); + } + }; + + /** + * Called when a `ClickableComponent` loses focus. Turns off the listener for + * `keydown` events. Which Stops `this.handleKeyPress` from getting called. + * + * @param {EventTarget~Event} event + * The `blur` event that caused this function to be called. + * + * @listens blur + */ + + + ClickableComponent.prototype.handleBlur = function handleBlur(event) { + off(document_1, 'keydown', bind(this, this.handleKeyPress)); + }; + + return ClickableComponent; + }(Component); + + Component.registerComponent('ClickableComponent', ClickableComponent); + + /** + * @file poster-image.js + */ + + /** + * A `ClickableComponent` that handles showing the poster image for the player. + * + * @extends ClickableComponent + */ + + var PosterImage = function (_ClickableComponent) { + inherits(PosterImage, _ClickableComponent); + + /** + * Create an instance of this class. + * + * @param {Player} player + * The `Player` that this class should attach to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function PosterImage(player, options) { + classCallCheck(this, PosterImage); + + var _this = possibleConstructorReturn(this, _ClickableComponent.call(this, player, options)); + + _this.update(); + player.on('posterchange', bind(_this, _this.update)); + return _this; + } + + /** + * Clean up and dispose of the `PosterImage`. + */ + + + PosterImage.prototype.dispose = function dispose() { + this.player().off('posterchange', this.update); + _ClickableComponent.prototype.dispose.call(this); + }; + + /** + * Create the `PosterImage`s DOM element. + * + * @return {Element} + * The element that gets created. + */ + + + PosterImage.prototype.createEl = function createEl$$1() { + var el = createEl('div', { + className: 'vjs-poster', + + // Don't want poster to be tabbable. + tabIndex: -1 + }); + + return el; + }; + + /** + * An {@link EventTarget~EventListener} for {@link Player#posterchange} events. + * + * @listens Player#posterchange + * + * @param {EventTarget~Event} [event] + * The `Player#posterchange` event that triggered this function. + */ + + + PosterImage.prototype.update = function update(event) { + var url = this.player().poster(); + + this.setSrc(url); + + // If there's no poster source we should display:none on this component + // so it's not still clickable or right-clickable + if (url) { + this.show(); + } else { + this.hide(); + } + }; + + /** + * Set the source of the `PosterImage` depending on the display method. + * + * @param {string} url + * The URL to the source for the `PosterImage`. + */ + + + PosterImage.prototype.setSrc = function setSrc(url) { + var backgroundImage = ''; + + // Any falsy value should stay as an empty string, otherwise + // this will throw an extra error + if (url) { + backgroundImage = 'url("' + url + '")'; + } + + this.el_.style.backgroundImage = backgroundImage; + }; + + /** + * An {@link EventTarget~EventListener} for clicks on the `PosterImage`. See + * {@link ClickableComponent#handleClick} for instances where this will be triggered. + * + * @listens tap + * @listens click + * @listens keydown + * + * @param {EventTarget~Event} event + + The `click`, `tap` or `keydown` event that caused this function to be called. + */ + + + PosterImage.prototype.handleClick = function handleClick(event) { + // We don't want a click to trigger playback when controls are disabled + if (!this.player_.controls()) { + return; + } + + if (this.player_.paused()) { + silencePromise(this.player_.play()); + } else { + this.player_.pause(); + } + }; + + return PosterImage; + }(ClickableComponent); + + Component.registerComponent('PosterImage', PosterImage); + + /** + * @file text-track-display.js + */ + + var darkGray = '#222'; + var lightGray = '#ccc'; + var fontMap = { + monospace: 'monospace', + sansSerif: 'sans-serif', + serif: 'serif', + monospaceSansSerif: '"Andale Mono", "Lucida Console", monospace', + monospaceSerif: '"Courier New", monospace', + proportionalSansSerif: 'sans-serif', + proportionalSerif: 'serif', + casual: '"Comic Sans MS", Impact, fantasy', + script: '"Monotype Corsiva", cursive', + smallcaps: '"Andale Mono", "Lucida Console", monospace, sans-serif' + }; + + /** + * Construct an rgba color from a given hex color code. + * + * @param {number} color + * Hex number for color, like #f0e or #f604e2. + * + * @param {number} opacity + * Value for opacity, 0.0 - 1.0. + * + * @return {string} + * The rgba color that was created, like 'rgba(255, 0, 0, 0.3)'. + */ + function constructColor(color, opacity) { + var hex = void 0; + + if (color.length === 4) { + // color looks like "#f0e" + hex = color[1] + color[1] + color[2] + color[2] + color[3] + color[3]; + } else if (color.length === 7) { + // color looks like "#f604e2" + hex = color.slice(1); + } else { + throw new Error('Invalid color code provided, ' + color + '; must be formatted as e.g. #f0e or #f604e2.'); + } + return 'rgba(' + parseInt(hex.slice(0, 2), 16) + ',' + parseInt(hex.slice(2, 4), 16) + ',' + parseInt(hex.slice(4, 6), 16) + ',' + opacity + ')'; + } + + /** + * Try to update the style of a DOM element. Some style changes will throw an error, + * particularly in IE8. Those should be noops. + * + * @param {Element} el + * The DOM element to be styled. + * + * @param {string} style + * The CSS property on the element that should be styled. + * + * @param {string} rule + * The style rule that should be applied to the property. + * + * @private + */ + function tryUpdateStyle(el, style, rule) { + try { + el.style[style] = rule; + } catch (e) { + + // Satisfies linter. + return; + } + } + + /** + * The component for displaying text track cues. + * + * @extends Component + */ + + var TextTrackDisplay = function (_Component) { + inherits(TextTrackDisplay, _Component); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + * + * @param {Component~ReadyCallback} [ready] + * The function to call when `TextTrackDisplay` is ready. + */ + function TextTrackDisplay(player, options, ready) { + classCallCheck(this, TextTrackDisplay); + + var _this = possibleConstructorReturn(this, _Component.call(this, player, options, ready)); + + var updateDisplayHandler = bind(_this, _this.updateDisplay); + + player.on('loadstart', bind(_this, _this.toggleDisplay)); + player.on('texttrackchange', updateDisplayHandler); + player.on('loadstart', bind(_this, _this.preselectTrack)); + + // This used to be called during player init, but was causing an error + // if a track should show by default and the display hadn't loaded yet. + // Should probably be moved to an external track loader when we support + // tracks that don't need a display. + player.ready(bind(_this, function () { + if (player.tech_ && player.tech_.featuresNativeTextTracks) { + this.hide(); + return; + } + + player.on('fullscreenchange', updateDisplayHandler); + player.on('playerresize', updateDisplayHandler); + + window_1.addEventListener('orientationchange', updateDisplayHandler); + player.on('dispose', function () { + return window_1.removeEventListener('orientationchange', updateDisplayHandler); + }); + + var tracks = this.options_.playerOptions.tracks || []; + + for (var i = 0; i < tracks.length; i++) { + this.player_.addRemoteTextTrack(tracks[i], true); + } + + this.preselectTrack(); + })); + return _this; + } + + /** + * Preselect a track following this precedence: + * - matches the previously selected {@link TextTrack}'s language and kind + * - matches the previously selected {@link TextTrack}'s language only + * - is the first default captions track + * - is the first default descriptions track + * + * @listens Player#loadstart + */ + + + TextTrackDisplay.prototype.preselectTrack = function preselectTrack() { + var modes = { captions: 1, subtitles: 1 }; + var trackList = this.player_.textTracks(); + var userPref = this.player_.cache_.selectedLanguage; + var firstDesc = void 0; + var firstCaptions = void 0; + var preferredTrack = void 0; + + for (var i = 0; i < trackList.length; i++) { + var track = trackList[i]; + + if (userPref && userPref.enabled && userPref.language === track.language) { + // Always choose the track that matches both language and kind + if (track.kind === userPref.kind) { + preferredTrack = track; + // or choose the first track that matches language + } else if (!preferredTrack) { + preferredTrack = track; + } + + // clear everything if offTextTrackMenuItem was clicked + } else if (userPref && !userPref.enabled) { + preferredTrack = null; + firstDesc = null; + firstCaptions = null; + } else if (track.default) { + if (track.kind === 'descriptions' && !firstDesc) { + firstDesc = track; + } else if (track.kind in modes && !firstCaptions) { + firstCaptions = track; + } + } + } + + // The preferredTrack matches the user preference and takes + // precedence over all the other tracks. + // So, display the preferredTrack before the first default track + // and the subtitles/captions track before the descriptions track + if (preferredTrack) { + preferredTrack.mode = 'showing'; + } else if (firstCaptions) { + firstCaptions.mode = 'showing'; + } else if (firstDesc) { + firstDesc.mode = 'showing'; + } + }; + + /** + * Turn display of {@link TextTrack}'s from the current state into the other state. + * There are only two states: + * - 'shown' + * - 'hidden' + * + * @listens Player#loadstart + */ + + + TextTrackDisplay.prototype.toggleDisplay = function toggleDisplay() { + if (this.player_.tech_ && this.player_.tech_.featuresNativeTextTracks) { + this.hide(); + } else { + this.show(); + } + }; + + /** + * Create the {@link Component}'s DOM element. + * + * @return {Element} + * The element that was created. + */ + + + TextTrackDisplay.prototype.createEl = function createEl() { + return _Component.prototype.createEl.call(this, 'div', { + className: 'vjs-text-track-display' + }, { + 'aria-live': 'off', + 'aria-atomic': 'true' + }); + }; + + /** + * Clear all displayed {@link TextTrack}s. + */ + + + TextTrackDisplay.prototype.clearDisplay = function clearDisplay() { + if (typeof window_1.WebVTT === 'function') { + window_1.WebVTT.processCues(window_1, [], this.el_); + } + }; + + /** + * Update the displayed TextTrack when a either a {@link Player#texttrackchange} or + * a {@link Player#fullscreenchange} is fired. + * + * @listens Player#texttrackchange + * @listens Player#fullscreenchange + */ + + + TextTrackDisplay.prototype.updateDisplay = function updateDisplay() { + var tracks = this.player_.textTracks(); + + this.clearDisplay(); + + // Track display prioritization model: if multiple tracks are 'showing', + // display the first 'subtitles' or 'captions' track which is 'showing', + // otherwise display the first 'descriptions' track which is 'showing' + + var descriptionsTrack = null; + var captionsSubtitlesTrack = null; + var i = tracks.length; + + while (i--) { + var track = tracks[i]; + + if (track.mode === 'showing') { + if (track.kind === 'descriptions') { + descriptionsTrack = track; + } else { + captionsSubtitlesTrack = track; + } + } + } + + if (captionsSubtitlesTrack) { + if (this.getAttribute('aria-live') !== 'off') { + this.setAttribute('aria-live', 'off'); + } + this.updateForTrack(captionsSubtitlesTrack); + } else if (descriptionsTrack) { + if (this.getAttribute('aria-live') !== 'assertive') { + this.setAttribute('aria-live', 'assertive'); + } + this.updateForTrack(descriptionsTrack); + } + }; + + /** + * Add an {@link TextTrack} to to the {@link Tech}s {@link TextTrackList}. + * + * @param {TextTrack} track + * Text track object to be added to the list. + */ + + + TextTrackDisplay.prototype.updateForTrack = function updateForTrack(track) { + if (typeof window_1.WebVTT !== 'function' || !track.activeCues) { + return; + } + + var cues = []; + + for (var _i = 0; _i < track.activeCues.length; _i++) { + cues.push(track.activeCues[_i]); + } + + window_1.WebVTT.processCues(window_1, cues, this.el_); + + if (!this.player_.textTrackSettings) { + return; + } + + var overrides = this.player_.textTrackSettings.getValues(); + + var i = cues.length; + + while (i--) { + var cue = cues[i]; + + if (!cue) { + continue; + } + + var cueDiv = cue.displayState; + + if (overrides.color) { + cueDiv.firstChild.style.color = overrides.color; + } + if (overrides.textOpacity) { + tryUpdateStyle(cueDiv.firstChild, 'color', constructColor(overrides.color || '#fff', overrides.textOpacity)); + } + if (overrides.backgroundColor) { + cueDiv.firstChild.style.backgroundColor = overrides.backgroundColor; + } + if (overrides.backgroundOpacity) { + tryUpdateStyle(cueDiv.firstChild, 'backgroundColor', constructColor(overrides.backgroundColor || '#000', overrides.backgroundOpacity)); + } + if (overrides.windowColor) { + if (overrides.windowOpacity) { + tryUpdateStyle(cueDiv, 'backgroundColor', constructColor(overrides.windowColor, overrides.windowOpacity)); + } else { + cueDiv.style.backgroundColor = overrides.windowColor; + } + } + if (overrides.edgeStyle) { + if (overrides.edgeStyle === 'dropshadow') { + cueDiv.firstChild.style.textShadow = '2px 2px 3px ' + darkGray + ', 2px 2px 4px ' + darkGray + ', 2px 2px 5px ' + darkGray; + } else if (overrides.edgeStyle === 'raised') { + cueDiv.firstChild.style.textShadow = '1px 1px ' + darkGray + ', 2px 2px ' + darkGray + ', 3px 3px ' + darkGray; + } else if (overrides.edgeStyle === 'depressed') { + cueDiv.firstChild.style.textShadow = '1px 1px ' + lightGray + ', 0 1px ' + lightGray + ', -1px -1px ' + darkGray + ', 0 -1px ' + darkGray; + } else if (overrides.edgeStyle === 'uniform') { + cueDiv.firstChild.style.textShadow = '0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray; + } + } + if (overrides.fontPercent && overrides.fontPercent !== 1) { + var fontSize = window_1.parseFloat(cueDiv.style.fontSize); + + cueDiv.style.fontSize = fontSize * overrides.fontPercent + 'px'; + cueDiv.style.height = 'auto'; + cueDiv.style.top = 'auto'; + cueDiv.style.bottom = '2px'; + } + if (overrides.fontFamily && overrides.fontFamily !== 'default') { + if (overrides.fontFamily === 'small-caps') { + cueDiv.firstChild.style.fontVariant = 'small-caps'; + } else { + cueDiv.firstChild.style.fontFamily = fontMap[overrides.fontFamily]; + } + } + } + }; + + return TextTrackDisplay; + }(Component); + + Component.registerComponent('TextTrackDisplay', TextTrackDisplay); + + /** + * @file loading-spinner.js + */ + + /** + * A loading spinner for use during waiting/loading events. + * + * @extends Component + */ + + var LoadingSpinner = function (_Component) { + inherits(LoadingSpinner, _Component); + + function LoadingSpinner() { + classCallCheck(this, LoadingSpinner); + return possibleConstructorReturn(this, _Component.apply(this, arguments)); + } + + /** + * Create the `LoadingSpinner`s DOM element. + * + * @return {Element} + * The dom element that gets created. + */ + LoadingSpinner.prototype.createEl = function createEl$$1() { + var isAudio = this.player_.isAudio(); + var playerType = this.localize(isAudio ? 'Audio Player' : 'Video Player'); + var controlText = createEl('span', { + className: 'vjs-control-text', + innerHTML: this.localize('{1} is loading.', [playerType]) + }); + + var el = _Component.prototype.createEl.call(this, 'div', { + className: 'vjs-loading-spinner', + dir: 'ltr' + }); + + el.appendChild(controlText); + + return el; + }; + + return LoadingSpinner; + }(Component); + + Component.registerComponent('LoadingSpinner', LoadingSpinner); + + /** + * @file button.js + */ + + /** + * Base class for all buttons. + * + * @extends ClickableComponent + */ + + var Button = function (_ClickableComponent) { + inherits(Button, _ClickableComponent); + + function Button() { + classCallCheck(this, Button); + return possibleConstructorReturn(this, _ClickableComponent.apply(this, arguments)); + } + + /** + * Create the `Button`s DOM element. + * + * @param {string} [tag="button"] + * The element's node type. This argument is IGNORED: no matter what + * is passed, it will always create a `button` element. + * + * @param {Object} [props={}] + * An object of properties that should be set on the element. + * + * @param {Object} [attributes={}] + * An object of attributes that should be set on the element. + * + * @return {Element} + * The element that gets created. + */ + Button.prototype.createEl = function createEl(tag) { + var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; + + tag = 'button'; + + props = assign({ + innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>', + className: this.buildCSSClass() + }, props); + + // Add attributes for button element + attributes = assign({ + + // Necessary since the default button type is "submit" + type: 'button' + }, attributes); + + var el = Component.prototype.createEl.call(this, tag, props, attributes); + + this.createControlTextEl(el); + + return el; + }; + + /** + * Add a child `Component` inside of this `Button`. + * + * @param {string|Component} child + * The name or instance of a child to add. + * + * @param {Object} [options={}] + * The key/value store of options that will get passed to children of + * the child. + * + * @return {Component} + * The `Component` that gets added as a child. When using a string the + * `Component` will get created by this process. + * + * @deprecated since version 5 + */ + + + Button.prototype.addChild = function addChild(child) { + var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + + var className = this.constructor.name; + + log$1.warn('Adding an actionable (user controllable) child to a Button (' + className + ') is not supported; use a ClickableComponent instead.'); + + // Avoid the error message generated by ClickableComponent's addChild method + return Component.prototype.addChild.call(this, child, options); + }; + + /** + * Enable the `Button` element so that it can be activated or clicked. Use this with + * {@link Button#disable}. + */ + + + Button.prototype.enable = function enable() { + _ClickableComponent.prototype.enable.call(this); + this.el_.removeAttribute('disabled'); + }; + + /** + * Disable the `Button` element so that it cannot be activated or clicked. Use this with + * {@link Button#enable}. + */ + + + Button.prototype.disable = function disable() { + _ClickableComponent.prototype.disable.call(this); + this.el_.setAttribute('disabled', 'disabled'); + }; + + /** + * This gets called when a `Button` has focus and `keydown` is triggered via a key + * press. + * + * @param {EventTarget~Event} event + * The event that caused this function to get called. + * + * @listens keydown + */ + + + Button.prototype.handleKeyPress = function handleKeyPress(event) { + + // Ignore Space (32) or Enter (13) key operation, which is handled by the browser for a button. + if (event.which === 32 || event.which === 13) { + return; + } + + // Pass keypress handling up for unsupported keys + _ClickableComponent.prototype.handleKeyPress.call(this, event); + }; + + return Button; + }(ClickableComponent); + + Component.registerComponent('Button', Button); + + /** + * @file big-play-button.js + */ + + /** + * The initial play button that shows before the video has played. The hiding of the + * `BigPlayButton` get done via CSS and `Player` states. + * + * @extends Button + */ + + var BigPlayButton = function (_Button) { + inherits(BigPlayButton, _Button); + + function BigPlayButton(player, options) { + classCallCheck(this, BigPlayButton); + + var _this = possibleConstructorReturn(this, _Button.call(this, player, options)); + + _this.mouseused_ = false; + + _this.on('mousedown', _this.handleMouseDown); + return _this; + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. Always returns 'vjs-big-play-button'. + */ + + + BigPlayButton.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-big-play-button'; + }; + + /** + * This gets called when a `BigPlayButton` "clicked". See {@link ClickableComponent} + * for more detailed information on what a click can be. + * + * @param {EventTarget~Event} event + * The `keydown`, `tap`, or `click` event that caused this function to be + * called. + * + * @listens tap + * @listens click + */ + + + BigPlayButton.prototype.handleClick = function handleClick(event) { + var playPromise = this.player_.play(); + + // exit early if clicked via the mouse + if (this.mouseused_ && event.clientX && event.clientY) { + silencePromise(playPromise); + return; + } + + var cb = this.player_.getChild('controlBar'); + var playToggle = cb && cb.getChild('playToggle'); + + if (!playToggle) { + this.player_.focus(); + return; + } + + var playFocus = function playFocus() { + return playToggle.focus(); + }; + + if (isPromise(playPromise)) { + playPromise.then(playFocus, function () {}); + } else { + this.setTimeout(playFocus, 1); + } + }; + + BigPlayButton.prototype.handleKeyPress = function handleKeyPress(event) { + this.mouseused_ = false; + + _Button.prototype.handleKeyPress.call(this, event); + }; + + BigPlayButton.prototype.handleMouseDown = function handleMouseDown(event) { + this.mouseused_ = true; + }; + + return BigPlayButton; + }(Button); + + /** + * The text that should display over the `BigPlayButton`s controls. Added to for localization. + * + * @type {string} + * @private + */ + + + BigPlayButton.prototype.controlText_ = 'Play Video'; + + Component.registerComponent('BigPlayButton', BigPlayButton); + + /** + * @file close-button.js + */ + + /** + * The `CloseButton` is a `{@link Button}` that fires a `close` event when + * it gets clicked. + * + * @extends Button + */ + + var CloseButton = function (_Button) { + inherits(CloseButton, _Button); + + /** + * Creates an instance of the this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function CloseButton(player, options) { + classCallCheck(this, CloseButton); + + var _this = possibleConstructorReturn(this, _Button.call(this, player, options)); + + _this.controlText(options && options.controlText || _this.localize('Close')); + return _this; + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + CloseButton.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-close-button ' + _Button.prototype.buildCSSClass.call(this); + }; + + /** + * This gets called when a `CloseButton` gets clicked. See + * {@link ClickableComponent#handleClick} for more information on when this will be + * triggered + * + * @param {EventTarget~Event} event + * The `keydown`, `tap`, or `click` event that caused this function to be + * called. + * + * @listens tap + * @listens click + * @fires CloseButton#close + */ + + + CloseButton.prototype.handleClick = function handleClick(event) { + + /** + * Triggered when the a `CloseButton` is clicked. + * + * @event CloseButton#close + * @type {EventTarget~Event} + * + * @property {boolean} [bubbles=false] + * set to false so that the close event does not + * bubble up to parents if there is no listener + */ + this.trigger({ type: 'close', bubbles: false }); + }; + + return CloseButton; + }(Button); + + Component.registerComponent('CloseButton', CloseButton); + + /** + * @file play-toggle.js + */ + + /** + * Button to toggle between play and pause. + * + * @extends Button + */ + + var PlayToggle = function (_Button) { + inherits(PlayToggle, _Button); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function PlayToggle(player, options) { + classCallCheck(this, PlayToggle); + + var _this = possibleConstructorReturn(this, _Button.call(this, player, options)); + + _this.on(player, 'play', _this.handlePlay); + _this.on(player, 'pause', _this.handlePause); + _this.on(player, 'ended', _this.handleEnded); + return _this; + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + PlayToggle.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-play-control ' + _Button.prototype.buildCSSClass.call(this); + }; + + /** + * This gets called when an `PlayToggle` is "clicked". See + * {@link ClickableComponent} for more detailed information on what a click can be. + * + * @param {EventTarget~Event} [event] + * The `keydown`, `tap`, or `click` event that caused this function to be + * called. + * + * @listens tap + * @listens click + */ + + + PlayToggle.prototype.handleClick = function handleClick(event) { + if (this.player_.paused()) { + this.player_.play(); + } else { + this.player_.pause(); + } + }; + + /** + * This gets called once after the video has ended and the user seeks so that + * we can change the replay button back to a play button. + * + * @param {EventTarget~Event} [event] + * The event that caused this function to run. + * + * @listens Player#seeked + */ + + + PlayToggle.prototype.handleSeeked = function handleSeeked(event) { + this.removeClass('vjs-ended'); + + if (this.player_.paused()) { + this.handlePause(event); + } else { + this.handlePlay(event); + } + }; + + /** + * Add the vjs-playing class to the element so it can change appearance. + * + * @param {EventTarget~Event} [event] + * The event that caused this function to run. + * + * @listens Player#play + */ + + + PlayToggle.prototype.handlePlay = function handlePlay(event) { + this.removeClass('vjs-ended'); + this.removeClass('vjs-paused'); + this.addClass('vjs-playing'); + // change the button text to "Pause" + this.controlText('Pause'); + }; + + /** + * Add the vjs-paused class to the element so it can change appearance. + * + * @param {EventTarget~Event} [event] + * The event that caused this function to run. + * + * @listens Player#pause + */ + + + PlayToggle.prototype.handlePause = function handlePause(event) { + this.removeClass('vjs-playing'); + this.addClass('vjs-paused'); + // change the button text to "Play" + this.controlText('Play'); + }; + + /** + * Add the vjs-ended class to the element so it can change appearance + * + * @param {EventTarget~Event} [event] + * The event that caused this function to run. + * + * @listens Player#ended + */ + + + PlayToggle.prototype.handleEnded = function handleEnded(event) { + this.removeClass('vjs-playing'); + this.addClass('vjs-ended'); + // change the button text to "Replay" + this.controlText('Replay'); + + // on the next seek remove the replay button + this.one(this.player_, 'seeked', this.handleSeeked); + }; + + return PlayToggle; + }(Button); + + /** + * The text that should display over the `PlayToggle`s controls. Added for localization. + * + * @type {string} + * @private + */ + + + PlayToggle.prototype.controlText_ = 'Play'; + + Component.registerComponent('PlayToggle', PlayToggle); + + /** + * @file format-time.js + * @module format-time + */ + + /** + * Format seconds as a time string, H:MM:SS or M:SS. Supplying a guide (in seconds) + * will force a number of leading zeros to cover the length of the guide. + * + * @param {number} seconds + * Number of seconds to be turned into a string + * + * @param {number} guide + * Number (in seconds) to model the string after + * + * @return {string} + * Time formatted as H:MM:SS or M:SS + */ + var defaultImplementation = function defaultImplementation(seconds, guide) { + seconds = seconds < 0 ? 0 : seconds; + var s = Math.floor(seconds % 60); + var m = Math.floor(seconds / 60 % 60); + var h = Math.floor(seconds / 3600); + var gm = Math.floor(guide / 60 % 60); + var gh = Math.floor(guide / 3600); + + // handle invalid times + if (isNaN(seconds) || seconds === Infinity) { + // '-' is false for all relational operators (e.g. <, >=) so this setting + // will add the minimum number of fields specified by the guide + h = m = s = '-'; + } + + // Check if we need to show hours + h = h > 0 || gh > 0 ? h + ':' : ''; + + // If hours are showing, we may need to add a leading zero. + // Always show at least one digit of minutes. + m = ((h || gm >= 10) && m < 10 ? '0' + m : m) + ':'; + + // Check if leading zero is need for seconds + s = s < 10 ? '0' + s : s; + + return h + m + s; + }; + + var implementation = defaultImplementation; + + /** + * Replaces the default formatTime implementation with a custom implementation. + * + * @param {Function} customImplementation + * A function which will be used in place of the default formatTime implementation. + * Will receive the current time in seconds and the guide (in seconds) as arguments. + */ + function setFormatTime(customImplementation) { + implementation = customImplementation; + } + + /** + * Resets formatTime to the default implementation. + */ + function resetFormatTime() { + implementation = defaultImplementation; + } + + function formatTime (seconds) { + var guide = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : seconds; + + return implementation(seconds, guide); + } + + /** + * @file time-display.js + */ + + /** + * Displays the time left in the video + * + * @extends Component + */ + + var TimeDisplay = function (_Component) { + inherits(TimeDisplay, _Component); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function TimeDisplay(player, options) { + classCallCheck(this, TimeDisplay); + + var _this = possibleConstructorReturn(this, _Component.call(this, player, options)); + + _this.throttledUpdateContent = throttle(bind(_this, _this.updateContent), 25); + _this.on(player, 'timeupdate', _this.throttledUpdateContent); + return _this; + } + + /** + * Create the `Component`'s DOM element + * + * @return {Element} + * The element that was created. + */ + + + TimeDisplay.prototype.createEl = function createEl$$1(plainName) { + var className = this.buildCSSClass(); + var el = _Component.prototype.createEl.call(this, 'div', { + className: className + ' vjs-time-control vjs-control', + innerHTML: '<span class="vjs-control-text">' + this.localize(this.labelText_) + '\xA0</span>' + }); + + this.contentEl_ = createEl('span', { + className: className + '-display' + }, { + // tell screen readers not to automatically read the time as it changes + 'aria-live': 'off' + }); + + this.updateTextNode_(); + el.appendChild(this.contentEl_); + return el; + }; + + TimeDisplay.prototype.dispose = function dispose() { + this.contentEl_ = null; + this.textNode_ = null; + + _Component.prototype.dispose.call(this); + }; + + /** + * Updates the "remaining time" text node with new content using the + * contents of the `formattedTime_` property. + * + * @private + */ + + + TimeDisplay.prototype.updateTextNode_ = function updateTextNode_() { + if (!this.contentEl_) { + return; + } + + while (this.contentEl_.firstChild) { + this.contentEl_.removeChild(this.contentEl_.firstChild); + } + + this.textNode_ = document_1.createTextNode(this.formattedTime_ || this.formatTime_(0)); + this.contentEl_.appendChild(this.textNode_); + }; + + /** + * Generates a formatted time for this component to use in display. + * + * @param {number} time + * A numeric time, in seconds. + * + * @return {string} + * A formatted time + * + * @private + */ + + + TimeDisplay.prototype.formatTime_ = function formatTime_(time) { + return formatTime(time); + }; + + /** + * Updates the time display text node if it has what was passed in changed + * the formatted time. + * + * @param {number} time + * The time to update to + * + * @private + */ + + + TimeDisplay.prototype.updateFormattedTime_ = function updateFormattedTime_(time) { + var formattedTime = this.formatTime_(time); + + if (formattedTime === this.formattedTime_) { + return; + } + + this.formattedTime_ = formattedTime; + this.requestAnimationFrame(this.updateTextNode_); + }; + + /** + * To be filled out in the child class, should update the displayed time + * in accordance with the fact that the current time has changed. + * + * @param {EventTarget~Event} [event] + * The `timeupdate` event that caused this to run. + * + * @listens Player#timeupdate + */ + + + TimeDisplay.prototype.updateContent = function updateContent(event) {}; + + return TimeDisplay; + }(Component); + + /** + * The text that is added to the `TimeDisplay` for screen reader users. + * + * @type {string} + * @private + */ + + + TimeDisplay.prototype.labelText_ = 'Time'; + + /** + * The text that should display over the `TimeDisplay`s controls. Added to for localization. + * + * @type {string} + * @private + * + * @deprecated in v7; controlText_ is not used in non-active display Components + */ + TimeDisplay.prototype.controlText_ = 'Time'; + + Component.registerComponent('TimeDisplay', TimeDisplay); + + /** + * @file current-time-display.js + */ + + /** + * Displays the current time + * + * @extends Component + */ + + var CurrentTimeDisplay = function (_TimeDisplay) { + inherits(CurrentTimeDisplay, _TimeDisplay); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function CurrentTimeDisplay(player, options) { + classCallCheck(this, CurrentTimeDisplay); + + var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options)); + + _this.on(player, 'ended', _this.handleEnded); + return _this; + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + CurrentTimeDisplay.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-current-time'; + }; + + /** + * Update current time display + * + * @param {EventTarget~Event} [event] + * The `timeupdate` event that caused this function to run. + * + * @listens Player#timeupdate + */ + + + CurrentTimeDisplay.prototype.updateContent = function updateContent(event) { + // Allows for smooth scrubbing, when player can't keep up. + var time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime(); + + this.updateFormattedTime_(time); + }; + + /** + * When the player fires ended there should be no time left. Sadly + * this is not always the case, lets make it seem like that is the case + * for users. + * + * @param {EventTarget~Event} [event] + * The `ended` event that caused this to run. + * + * @listens Player#ended + */ + + + CurrentTimeDisplay.prototype.handleEnded = function handleEnded(event) { + if (!this.player_.duration()) { + return; + } + this.updateFormattedTime_(this.player_.duration()); + }; + + return CurrentTimeDisplay; + }(TimeDisplay); + + /** + * The text that is added to the `CurrentTimeDisplay` for screen reader users. + * + * @type {string} + * @private + */ + + + CurrentTimeDisplay.prototype.labelText_ = 'Current Time'; + + /** + * The text that should display over the `CurrentTimeDisplay`s controls. Added to for localization. + * + * @type {string} + * @private + * + * @deprecated in v7; controlText_ is not used in non-active display Components + */ + CurrentTimeDisplay.prototype.controlText_ = 'Current Time'; + + Component.registerComponent('CurrentTimeDisplay', CurrentTimeDisplay); + + /** + * @file duration-display.js + */ + + /** + * Displays the duration + * + * @extends Component + */ + + var DurationDisplay = function (_TimeDisplay) { + inherits(DurationDisplay, _TimeDisplay); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function DurationDisplay(player, options) { + classCallCheck(this, DurationDisplay); + + // we do not want to/need to throttle duration changes, + // as they should always display the changed duration as + // it has changed + var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options)); + + _this.on(player, 'durationchange', _this.updateContent); + + // Also listen for timeupdate (in the parent) and loadedmetadata because removing those + // listeners could have broken dependent applications/libraries. These + // can likely be removed for 7.0. + _this.on(player, 'loadedmetadata', _this.throttledUpdateContent); + return _this; + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + DurationDisplay.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-duration'; + }; + + /** + * Update duration time display. + * + * @param {EventTarget~Event} [event] + * The `durationchange`, `timeupdate`, or `loadedmetadata` event that caused + * this function to be called. + * + * @listens Player#durationchange + * @listens Player#timeupdate + * @listens Player#loadedmetadata + */ + + + DurationDisplay.prototype.updateContent = function updateContent(event) { + var duration = this.player_.duration(); + + if (duration && this.duration_ !== duration) { + this.duration_ = duration; + this.updateFormattedTime_(duration); + } + }; + + return DurationDisplay; + }(TimeDisplay); + + /** + * The text that is added to the `DurationDisplay` for screen reader users. + * + * @type {string} + * @private + */ + + + DurationDisplay.prototype.labelText_ = 'Duration'; + + /** + * The text that should display over the `DurationDisplay`s controls. Added to for localization. + * + * @type {string} + * @private + * + * @deprecated in v7; controlText_ is not used in non-active display Components + */ + DurationDisplay.prototype.controlText_ = 'Duration'; + + Component.registerComponent('DurationDisplay', DurationDisplay); + + /** + * @file time-divider.js + */ + + /** + * The separator between the current time and duration. + * Can be hidden if it's not needed in the design. + * + * @extends Component + */ + + var TimeDivider = function (_Component) { + inherits(TimeDivider, _Component); + + function TimeDivider() { + classCallCheck(this, TimeDivider); + return possibleConstructorReturn(this, _Component.apply(this, arguments)); + } + + /** + * Create the component's DOM element + * + * @return {Element} + * The element that was created. + */ + TimeDivider.prototype.createEl = function createEl() { + return _Component.prototype.createEl.call(this, 'div', { + className: 'vjs-time-control vjs-time-divider', + innerHTML: '<div><span>/</span></div>' + }); + }; + + return TimeDivider; + }(Component); + + Component.registerComponent('TimeDivider', TimeDivider); + + /** + * @file remaining-time-display.js + */ + /** + * Displays the time left in the video + * + * @extends Component + */ + + var RemainingTimeDisplay = function (_TimeDisplay) { + inherits(RemainingTimeDisplay, _TimeDisplay); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function RemainingTimeDisplay(player, options) { + classCallCheck(this, RemainingTimeDisplay); + + var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options)); + + _this.on(player, 'durationchange', _this.throttledUpdateContent); + _this.on(player, 'ended', _this.handleEnded); + return _this; + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + RemainingTimeDisplay.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-remaining-time'; + }; + + /** + * The remaining time display prefixes numbers with a "minus" character. + * + * @param {number} time + * A numeric time, in seconds. + * + * @return {string} + * A formatted time + * + * @private + */ + + + RemainingTimeDisplay.prototype.formatTime_ = function formatTime_(time) { + // TODO: The "-" should be decorative, and not announced by a screen reader + return '-' + _TimeDisplay.prototype.formatTime_.call(this, time); + }; + + /** + * Update remaining time display. + * + * @param {EventTarget~Event} [event] + * The `timeupdate` or `durationchange` event that caused this to run. + * + * @listens Player#timeupdate + * @listens Player#durationchange + */ + + + RemainingTimeDisplay.prototype.updateContent = function updateContent(event) { + if (!this.player_.duration()) { + return; + } + + // @deprecated We should only use remainingTimeDisplay + // as of video.js 7 + if (this.player_.remainingTimeDisplay) { + this.updateFormattedTime_(this.player_.remainingTimeDisplay()); + } else { + this.updateFormattedTime_(this.player_.remainingTime()); + } + }; + + /** + * When the player fires ended there should be no time left. Sadly + * this is not always the case, lets make it seem like that is the case + * for users. + * + * @param {EventTarget~Event} [event] + * The `ended` event that caused this to run. + * + * @listens Player#ended + */ + + + RemainingTimeDisplay.prototype.handleEnded = function handleEnded(event) { + if (!this.player_.duration()) { + return; + } + this.updateFormattedTime_(0); + }; + + return RemainingTimeDisplay; + }(TimeDisplay); + + /** + * The text that is added to the `RemainingTimeDisplay` for screen reader users. + * + * @type {string} + * @private + */ + + + RemainingTimeDisplay.prototype.labelText_ = 'Remaining Time'; + + /** + * The text that should display over the `RemainingTimeDisplay`s controls. Added to for localization. + * + * @type {string} + * @private + * + * @deprecated in v7; controlText_ is not used in non-active display Components + */ + RemainingTimeDisplay.prototype.controlText_ = 'Remaining Time'; + + Component.registerComponent('RemainingTimeDisplay', RemainingTimeDisplay); + + /** + * @file live-display.js + */ + + // TODO - Future make it click to snap to live + + /** + * Displays the live indicator when duration is Infinity. + * + * @extends Component + */ + + var LiveDisplay = function (_Component) { + inherits(LiveDisplay, _Component); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function LiveDisplay(player, options) { + classCallCheck(this, LiveDisplay); + + var _this = possibleConstructorReturn(this, _Component.call(this, player, options)); + + _this.updateShowing(); + _this.on(_this.player(), 'durationchange', _this.updateShowing); + return _this; + } + + /** + * Create the `Component`'s DOM element + * + * @return {Element} + * The element that was created. + */ + + + LiveDisplay.prototype.createEl = function createEl$$1() { + var el = _Component.prototype.createEl.call(this, 'div', { + className: 'vjs-live-control vjs-control' + }); + + this.contentEl_ = createEl('div', { + className: 'vjs-live-display', + innerHTML: '<span class="vjs-control-text">' + this.localize('Stream Type') + '\xA0</span>' + this.localize('LIVE') + }, { + 'aria-live': 'off' + }); + + el.appendChild(this.contentEl_); + return el; + }; + + LiveDisplay.prototype.dispose = function dispose() { + this.contentEl_ = null; + + _Component.prototype.dispose.call(this); + }; + + /** + * Check the duration to see if the LiveDisplay should be showing or not. Then show/hide + * it accordingly + * + * @param {EventTarget~Event} [event] + * The {@link Player#durationchange} event that caused this function to run. + * + * @listens Player#durationchange + */ + + + LiveDisplay.prototype.updateShowing = function updateShowing(event) { + if (this.player().duration() === Infinity) { + this.show(); + } else { + this.hide(); + } + }; + + return LiveDisplay; + }(Component); + + Component.registerComponent('LiveDisplay', LiveDisplay); + + /** + * @file slider.js + */ + + /** + * The base functionality for a slider. Can be vertical or horizontal. + * For instance the volume bar or the seek bar on a video is a slider. + * + * @extends Component + */ + + var Slider = function (_Component) { + inherits(Slider, _Component); + + /** + * Create an instance of this class + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function Slider(player, options) { + classCallCheck(this, Slider); + + // Set property names to bar to match with the child Slider class is looking for + var _this = possibleConstructorReturn(this, _Component.call(this, player, options)); + + _this.bar = _this.getChild(_this.options_.barName); + + // Set a horizontal or vertical class on the slider depending on the slider type + _this.vertical(!!_this.options_.vertical); + + _this.enable(); + return _this; + } + + /** + * Are controls are currently enabled for this slider or not. + * + * @return {boolean} + * true if controls are enabled, false otherwise + */ + + + Slider.prototype.enabled = function enabled() { + return this.enabled_; + }; + + /** + * Enable controls for this slider if they are disabled + */ + + + Slider.prototype.enable = function enable() { + if (this.enabled()) { + return; + } + + this.on('mousedown', this.handleMouseDown); + this.on('touchstart', this.handleMouseDown); + this.on('focus', this.handleFocus); + this.on('blur', this.handleBlur); + this.on('click', this.handleClick); + + this.on(this.player_, 'controlsvisible', this.update); + + if (this.playerEvent) { + this.on(this.player_, this.playerEvent, this.update); + } + + this.removeClass('disabled'); + this.setAttribute('tabindex', 0); + + this.enabled_ = true; + }; + + /** + * Disable controls for this slider if they are enabled + */ + + + Slider.prototype.disable = function disable() { + if (!this.enabled()) { + return; + } + var doc = this.bar.el_.ownerDocument; + + this.off('mousedown', this.handleMouseDown); + this.off('touchstart', this.handleMouseDown); + this.off('focus', this.handleFocus); + this.off('blur', this.handleBlur); + this.off('click', this.handleClick); + this.off(this.player_, 'controlsvisible', this.update); + this.off(doc, 'mousemove', this.handleMouseMove); + this.off(doc, 'mouseup', this.handleMouseUp); + this.off(doc, 'touchmove', this.handleMouseMove); + this.off(doc, 'touchend', this.handleMouseUp); + this.removeAttribute('tabindex'); + + this.addClass('disabled'); + + if (this.playerEvent) { + this.off(this.player_, this.playerEvent, this.update); + } + this.enabled_ = false; + }; + + /** + * Create the `Slider`s DOM element. + * + * @param {string} type + * Type of element to create. + * + * @param {Object} [props={}] + * List of properties in Object form. + * + * @param {Object} [attributes={}] + * list of attributes in Object form. + * + * @return {Element} + * The element that gets created. + */ + + + Slider.prototype.createEl = function createEl$$1(type) { + var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; + + // Add the slider element class to all sub classes + props.className = props.className + ' vjs-slider'; + props = assign({ + tabIndex: 0 + }, props); + + attributes = assign({ + 'role': 'slider', + 'aria-valuenow': 0, + 'aria-valuemin': 0, + 'aria-valuemax': 100, + 'tabIndex': 0 + }, attributes); + + return _Component.prototype.createEl.call(this, type, props, attributes); + }; + + /** + * Handle `mousedown` or `touchstart` events on the `Slider`. + * + * @param {EventTarget~Event} event + * `mousedown` or `touchstart` event that triggered this function + * + * @listens mousedown + * @listens touchstart + * @fires Slider#slideractive + */ + + + Slider.prototype.handleMouseDown = function handleMouseDown(event) { + var doc = this.bar.el_.ownerDocument; + + if (event.type === 'mousedown') { + event.preventDefault(); + } + // Do not call preventDefault() on touchstart in Chrome + // to avoid console warnings. Use a 'touch-action: none' style + // instead to prevent unintented scrolling. + // https://developers.google.com/web/updates/2017/01/scrolling-intervention + if (event.type === 'touchstart' && !IS_CHROME) { + event.preventDefault(); + } + blockTextSelection(); + + this.addClass('vjs-sliding'); + /** + * Triggered when the slider is in an active state + * + * @event Slider#slideractive + * @type {EventTarget~Event} + */ + this.trigger('slideractive'); + + this.on(doc, 'mousemove', this.handleMouseMove); + this.on(doc, 'mouseup', this.handleMouseUp); + this.on(doc, 'touchmove', this.handleMouseMove); + this.on(doc, 'touchend', this.handleMouseUp); + + this.handleMouseMove(event); + }; + + /** + * Handle the `mousemove`, `touchmove`, and `mousedown` events on this `Slider`. + * The `mousemove` and `touchmove` events will only only trigger this function during + * `mousedown` and `touchstart`. This is due to {@link Slider#handleMouseDown} and + * {@link Slider#handleMouseUp}. + * + * @param {EventTarget~Event} event + * `mousedown`, `mousemove`, `touchstart`, or `touchmove` event that triggered + * this function + * + * @listens mousemove + * @listens touchmove + */ + + + Slider.prototype.handleMouseMove = function handleMouseMove(event) {}; + + /** + * Handle `mouseup` or `touchend` events on the `Slider`. + * + * @param {EventTarget~Event} event + * `mouseup` or `touchend` event that triggered this function. + * + * @listens touchend + * @listens mouseup + * @fires Slider#sliderinactive + */ + + + Slider.prototype.handleMouseUp = function handleMouseUp() { + var doc = this.bar.el_.ownerDocument; + + unblockTextSelection(); + + this.removeClass('vjs-sliding'); + /** + * Triggered when the slider is no longer in an active state. + * + * @event Slider#sliderinactive + * @type {EventTarget~Event} + */ + this.trigger('sliderinactive'); + + this.off(doc, 'mousemove', this.handleMouseMove); + this.off(doc, 'mouseup', this.handleMouseUp); + this.off(doc, 'touchmove', this.handleMouseMove); + this.off(doc, 'touchend', this.handleMouseUp); + + this.update(); + }; + + /** + * Update the progress bar of the `Slider`. + * + * @returns {number} + * The percentage of progress the progress bar represents as a + * number from 0 to 1. + */ + + + Slider.prototype.update = function update() { + + // In VolumeBar init we have a setTimeout for update that pops and update + // to the end of the execution stack. The player is destroyed before then + // update will cause an error + if (!this.el_) { + return; + } + + // If scrubbing, we could use a cached value to make the handle keep up + // with the user's mouse. On HTML5 browsers scrubbing is really smooth, but + // some flash players are slow, so we might want to utilize this later. + // var progress = (this.player_.scrubbing()) ? this.player_.getCache().currentTime / this.player_.duration() : this.player_.currentTime() / this.player_.duration(); + var progress = this.getPercent(); + var bar = this.bar; + + // If there's no bar... + if (!bar) { + return; + } + + // Protect against no duration and other division issues + if (typeof progress !== 'number' || progress !== progress || progress < 0 || progress === Infinity) { + progress = 0; + } + + // Convert to a percentage for setting + var percentage = (progress * 100).toFixed(2) + '%'; + var style = bar.el().style; + + // Set the new bar width or height + if (this.vertical()) { + style.height = percentage; + } else { + style.width = percentage; + } + + return progress; + }; + + /** + * Calculate distance for slider + * + * @param {EventTarget~Event} event + * The event that caused this function to run. + * + * @return {number} + * The current position of the Slider. + * - position.x for vertical `Slider`s + * - position.y for horizontal `Slider`s + */ + + + Slider.prototype.calculateDistance = function calculateDistance(event) { + var position = getPointerPosition(this.el_, event); + + if (this.vertical()) { + return position.y; + } + return position.x; + }; + + /** + * Handle a `focus` event on this `Slider`. + * + * @param {EventTarget~Event} event + * The `focus` event that caused this function to run. + * + * @listens focus + */ + + + Slider.prototype.handleFocus = function handleFocus() { + this.on(this.bar.el_.ownerDocument, 'keydown', this.handleKeyPress); + }; + + /** + * Handle a `keydown` event on the `Slider`. Watches for left, rigth, up, and down + * arrow keys. This function will only be called when the slider has focus. See + * {@link Slider#handleFocus} and {@link Slider#handleBlur}. + * + * @param {EventTarget~Event} event + * the `keydown` event that caused this function to run. + * + * @listens keydown + */ + + + Slider.prototype.handleKeyPress = function handleKeyPress(event) { + // Left and Down Arrows + if (event.which === 37 || event.which === 40) { + event.preventDefault(); + this.stepBack(); + + // Up and Right Arrows + } else if (event.which === 38 || event.which === 39) { + event.preventDefault(); + this.stepForward(); + } + }; + + /** + * Handle a `blur` event on this `Slider`. + * + * @param {EventTarget~Event} event + * The `blur` event that caused this function to run. + * + * @listens blur + */ + + Slider.prototype.handleBlur = function handleBlur() { + this.off(this.bar.el_.ownerDocument, 'keydown', this.handleKeyPress); + }; + + /** + * Listener for click events on slider, used to prevent clicks + * from bubbling up to parent elements like button menus. + * + * @param {Object} event + * Event that caused this object to run + */ + + + Slider.prototype.handleClick = function handleClick(event) { + event.stopImmediatePropagation(); + event.preventDefault(); + }; + + /** + * Get/set if slider is horizontal for vertical + * + * @param {boolean} [bool] + * - true if slider is vertical, + * - false is horizontal + * + * @return {boolean} + * - true if slider is vertical, and getting + * - false if the slider is horizontal, and getting + */ + + + Slider.prototype.vertical = function vertical(bool) { + if (bool === undefined) { + return this.vertical_ || false; + } + + this.vertical_ = !!bool; + + if (this.vertical_) { + this.addClass('vjs-slider-vertical'); + } else { + this.addClass('vjs-slider-horizontal'); + } + }; + + return Slider; + }(Component); + + Component.registerComponent('Slider', Slider); + + /** + * @file load-progress-bar.js + */ + + /** + * Shows loading progress + * + * @extends Component + */ + + var LoadProgressBar = function (_Component) { + inherits(LoadProgressBar, _Component); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function LoadProgressBar(player, options) { + classCallCheck(this, LoadProgressBar); + + var _this = possibleConstructorReturn(this, _Component.call(this, player, options)); + + _this.partEls_ = []; + _this.on(player, 'progress', _this.update); + return _this; + } + + /** + * Create the `Component`'s DOM element + * + * @return {Element} + * The element that was created. + */ + + + LoadProgressBar.prototype.createEl = function createEl$$1() { + return _Component.prototype.createEl.call(this, 'div', { + className: 'vjs-load-progress', + innerHTML: '<span class="vjs-control-text"><span>' + this.localize('Loaded') + '</span>: 0%</span>' + }); + }; + + LoadProgressBar.prototype.dispose = function dispose() { + this.partEls_ = null; + + _Component.prototype.dispose.call(this); + }; + + /** + * Update progress bar + * + * @param {EventTarget~Event} [event] + * The `progress` event that caused this function to run. + * + * @listens Player#progress + */ + + + LoadProgressBar.prototype.update = function update(event) { + var buffered = this.player_.buffered(); + var duration = this.player_.duration(); + var bufferedEnd = this.player_.bufferedEnd(); + var children = this.partEls_; + + // get the percent width of a time compared to the total end + var percentify = function percentify(time, end) { + // no NaN + var percent = time / end || 0; + + return (percent >= 1 ? 1 : percent) * 100 + '%'; + }; + + // update the width of the progress bar + this.el_.style.width = percentify(bufferedEnd, duration); + + // add child elements to represent the individual buffered time ranges + for (var i = 0; i < buffered.length; i++) { + var start = buffered.start(i); + var end = buffered.end(i); + var part = children[i]; + + if (!part) { + part = this.el_.appendChild(createEl()); + children[i] = part; + } + + // set the percent based on the width of the progress bar (bufferedEnd) + part.style.left = percentify(start, bufferedEnd); + part.style.width = percentify(end - start, bufferedEnd); + } + + // remove unused buffered range elements + for (var _i = children.length; _i > buffered.length; _i--) { + this.el_.removeChild(children[_i - 1]); + } + children.length = buffered.length; + }; + + return LoadProgressBar; + }(Component); + + Component.registerComponent('LoadProgressBar', LoadProgressBar); + + /** + * @file time-tooltip.js + */ + + /** + * Time tooltips display a time above the progress bar. + * + * @extends Component + */ + + var TimeTooltip = function (_Component) { + inherits(TimeTooltip, _Component); + + function TimeTooltip() { + classCallCheck(this, TimeTooltip); + return possibleConstructorReturn(this, _Component.apply(this, arguments)); + } + + /** + * Create the time tooltip DOM element + * + * @return {Element} + * The element that was created. + */ + TimeTooltip.prototype.createEl = function createEl$$1() { + return _Component.prototype.createEl.call(this, 'div', { + className: 'vjs-time-tooltip' + }); + }; + + /** + * Updates the position of the time tooltip relative to the `SeekBar`. + * + * @param {Object} seekBarRect + * The `ClientRect` for the {@link SeekBar} element. + * + * @param {number} seekBarPoint + * A number from 0 to 1, representing a horizontal reference point + * from the left edge of the {@link SeekBar} + */ + + + TimeTooltip.prototype.update = function update(seekBarRect, seekBarPoint, content) { + var tooltipRect = getBoundingClientRect(this.el_); + var playerRect = getBoundingClientRect(this.player_.el()); + var seekBarPointPx = seekBarRect.width * seekBarPoint; + + // do nothing if either rect isn't available + // for example, if the player isn't in the DOM for testing + if (!playerRect || !tooltipRect) { + return; + } + + // This is the space left of the `seekBarPoint` available within the bounds + // of the player. We calculate any gap between the left edge of the player + // and the left edge of the `SeekBar` and add the number of pixels in the + // `SeekBar` before hitting the `seekBarPoint` + var spaceLeftOfPoint = seekBarRect.left - playerRect.left + seekBarPointPx; + + // This is the space right of the `seekBarPoint` available within the bounds + // of the player. We calculate the number of pixels from the `seekBarPoint` + // to the right edge of the `SeekBar` and add to that any gap between the + // right edge of the `SeekBar` and the player. + var spaceRightOfPoint = seekBarRect.width - seekBarPointPx + (playerRect.right - seekBarRect.right); + + // This is the number of pixels by which the tooltip will need to be pulled + // further to the right to center it over the `seekBarPoint`. + var pullTooltipBy = tooltipRect.width / 2; + + // Adjust the `pullTooltipBy` distance to the left or right depending on + // the results of the space calculations above. + if (spaceLeftOfPoint < pullTooltipBy) { + pullTooltipBy += pullTooltipBy - spaceLeftOfPoint; + } else if (spaceRightOfPoint < pullTooltipBy) { + pullTooltipBy = spaceRightOfPoint; + } + + // Due to the imprecision of decimal/ratio based calculations and varying + // rounding behaviors, there are cases where the spacing adjustment is off + // by a pixel or two. This adds insurance to these calculations. + if (pullTooltipBy < 0) { + pullTooltipBy = 0; + } else if (pullTooltipBy > tooltipRect.width) { + pullTooltipBy = tooltipRect.width; + } + + this.el_.style.right = '-' + pullTooltipBy + 'px'; + textContent(this.el_, content); + }; + + return TimeTooltip; + }(Component); + + Component.registerComponent('TimeTooltip', TimeTooltip); + + /** + * @file play-progress-bar.js + */ + + /** + * Used by {@link SeekBar} to display media playback progress as part of the + * {@link ProgressControl}. + * + * @extends Component + */ + + var PlayProgressBar = function (_Component) { + inherits(PlayProgressBar, _Component); + + function PlayProgressBar() { + classCallCheck(this, PlayProgressBar); + return possibleConstructorReturn(this, _Component.apply(this, arguments)); + } + + /** + * Create the the DOM element for this class. + * + * @return {Element} + * The element that was created. + */ + PlayProgressBar.prototype.createEl = function createEl() { + return _Component.prototype.createEl.call(this, 'div', { + className: 'vjs-play-progress vjs-slider-bar', + innerHTML: '<span class="vjs-control-text"><span>' + this.localize('Progress') + '</span>: 0%</span>' + }); + }; + + /** + * Enqueues updates to its own DOM as well as the DOM of its + * {@link TimeTooltip} child. + * + * @param {Object} seekBarRect + * The `ClientRect` for the {@link SeekBar} element. + * + * @param {number} seekBarPoint + * A number from 0 to 1, representing a horizontal reference point + * from the left edge of the {@link SeekBar} + */ + + + PlayProgressBar.prototype.update = function update(seekBarRect, seekBarPoint) { + var _this2 = this; + + // If there is an existing rAF ID, cancel it so we don't over-queue. + if (this.rafId_) { + this.cancelAnimationFrame(this.rafId_); + } + + this.rafId_ = this.requestAnimationFrame(function () { + var time = _this2.player_.scrubbing() ? _this2.player_.getCache().currentTime : _this2.player_.currentTime(); + + var content = formatTime(time, _this2.player_.duration()); + var timeTooltip = _this2.getChild('timeTooltip'); + + if (timeTooltip) { + timeTooltip.update(seekBarRect, seekBarPoint, content); + } + }); + }; + + return PlayProgressBar; + }(Component); + + /** + * Default options for {@link PlayProgressBar}. + * + * @type {Object} + * @private + */ + + + PlayProgressBar.prototype.options_ = { + children: [] + }; + + // Time tooltips should not be added to a player on mobile devices + if (!IS_IOS && !IS_ANDROID) { + PlayProgressBar.prototype.options_.children.push('timeTooltip'); + } + + Component.registerComponent('PlayProgressBar', PlayProgressBar); + + /** + * @file mouse-time-display.js + */ + + /** + * The {@link MouseTimeDisplay} component tracks mouse movement over the + * {@link ProgressControl}. It displays an indicator and a {@link TimeTooltip} + * indicating the time which is represented by a given point in the + * {@link ProgressControl}. + * + * @extends Component + */ + + var MouseTimeDisplay = function (_Component) { + inherits(MouseTimeDisplay, _Component); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The {@link Player} that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function MouseTimeDisplay(player, options) { + classCallCheck(this, MouseTimeDisplay); + + var _this = possibleConstructorReturn(this, _Component.call(this, player, options)); + + _this.update = throttle(bind(_this, _this.update), 25); + return _this; + } + + /** + * Create the DOM element for this class. + * + * @return {Element} + * The element that was created. + */ + + + MouseTimeDisplay.prototype.createEl = function createEl() { + return _Component.prototype.createEl.call(this, 'div', { + className: 'vjs-mouse-display' + }); + }; + + /** + * Enqueues updates to its own DOM as well as the DOM of its + * {@link TimeTooltip} child. + * + * @param {Object} seekBarRect + * The `ClientRect` for the {@link SeekBar} element. + * + * @param {number} seekBarPoint + * A number from 0 to 1, representing a horizontal reference point + * from the left edge of the {@link SeekBar} + */ + + + MouseTimeDisplay.prototype.update = function update(seekBarRect, seekBarPoint) { + var _this2 = this; + + // If there is an existing rAF ID, cancel it so we don't over-queue. + if (this.rafId_) { + this.cancelAnimationFrame(this.rafId_); + } + + this.rafId_ = this.requestAnimationFrame(function () { + var duration = _this2.player_.duration(); + var content = formatTime(seekBarPoint * duration, duration); + + _this2.el_.style.left = seekBarRect.width * seekBarPoint + 'px'; + _this2.getChild('timeTooltip').update(seekBarRect, seekBarPoint, content); + }); + }; + + return MouseTimeDisplay; + }(Component); + + /** + * Default options for `MouseTimeDisplay` + * + * @type {Object} + * @private + */ + + + MouseTimeDisplay.prototype.options_ = { + children: ['timeTooltip'] + }; + + Component.registerComponent('MouseTimeDisplay', MouseTimeDisplay); + + /** + * @file seek-bar.js + */ + + // The number of seconds the `step*` functions move the timeline. + var STEP_SECONDS = 5; + + // The interval at which the bar should update as it progresses. + var UPDATE_REFRESH_INTERVAL = 30; + + /** + * Seek bar and container for the progress bars. Uses {@link PlayProgressBar} + * as its `bar`. + * + * @extends Slider + */ + + var SeekBar = function (_Slider) { + inherits(SeekBar, _Slider); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function SeekBar(player, options) { + classCallCheck(this, SeekBar); + + var _this = possibleConstructorReturn(this, _Slider.call(this, player, options)); + + _this.setEventHandlers_(); + return _this; + } + + /** + * Sets the event handlers + * + * @private + */ + + + SeekBar.prototype.setEventHandlers_ = function setEventHandlers_() { + var _this2 = this; + + this.update = throttle(bind(this, this.update), UPDATE_REFRESH_INTERVAL); + + this.on(this.player_, 'timeupdate', this.update); + this.on(this.player_, 'ended', this.handleEnded); + + // when playing, let's ensure we smoothly update the play progress bar + // via an interval + this.updateInterval = null; + + this.on(this.player_, ['playing'], function () { + _this2.clearInterval(_this2.updateInterval); + + _this2.updateInterval = _this2.setInterval(function () { + _this2.requestAnimationFrame(function () { + _this2.update(); + }); + }, UPDATE_REFRESH_INTERVAL); + }); + + this.on(this.player_, ['ended', 'pause', 'waiting'], function () { + _this2.clearInterval(_this2.updateInterval); + }); + + this.on(this.player_, ['timeupdate', 'ended'], this.update); + }; + + /** + * Create the `Component`'s DOM element + * + * @return {Element} + * The element that was created. + */ + + + SeekBar.prototype.createEl = function createEl$$1() { + return _Slider.prototype.createEl.call(this, 'div', { + className: 'vjs-progress-holder' + }, { + 'aria-label': this.localize('Progress Bar') + }); + }; + + /** + * This function updates the play progress bar and accessibility + * attributes to whatever is passed in. + * + * @param {number} currentTime + * The currentTime value that should be used for accessibility + * + * @param {number} percent + * The percentage as a decimal that the bar should be filled from 0-1. + * + * @private + */ + + + SeekBar.prototype.update_ = function update_(currentTime, percent) { + var duration = this.player_.duration(); + + // machine readable value of progress bar (percentage complete) + this.el_.setAttribute('aria-valuenow', (percent * 100).toFixed(2)); + + // human readable value of progress bar (time complete) + this.el_.setAttribute('aria-valuetext', this.localize('progress bar timing: currentTime={1} duration={2}', [formatTime(currentTime, duration), formatTime(duration, duration)], '{1} of {2}')); + + // Update the `PlayProgressBar`. + this.bar.update(getBoundingClientRect(this.el_), percent); + }; + + /** + * Update the seek bar's UI. + * + * @param {EventTarget~Event} [event] + * The `timeupdate` or `ended` event that caused this to run. + * + * @listens Player#timeupdate + * + * @returns {number} + * The current percent at a number from 0-1 + */ + + + SeekBar.prototype.update = function update(event) { + var percent = _Slider.prototype.update.call(this); + + this.update_(this.getCurrentTime_(), percent); + return percent; + }; + + /** + * Get the value of current time but allows for smooth scrubbing, + * when player can't keep up. + * + * @return {number} + * The current time value to display + * + * @private + */ + + + SeekBar.prototype.getCurrentTime_ = function getCurrentTime_() { + return this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime(); + }; + + /** + * We want the seek bar to be full on ended + * no matter what the actual internal values are. so we force it. + * + * @param {EventTarget~Event} [event] + * The `timeupdate` or `ended` event that caused this to run. + * + * @listens Player#ended + */ + + + SeekBar.prototype.handleEnded = function handleEnded(event) { + this.update_(this.player_.duration(), 1); + }; + + /** + * Get the percentage of media played so far. + * + * @return {number} + * The percentage of media played so far (0 to 1). + */ + + + SeekBar.prototype.getPercent = function getPercent() { + var percent = this.getCurrentTime_() / this.player_.duration(); + + return percent >= 1 ? 1 : percent || 0; + }; + + /** + * Handle mouse down on seek bar + * + * @param {EventTarget~Event} event + * The `mousedown` event that caused this to run. + * + * @listens mousedown + */ + + + SeekBar.prototype.handleMouseDown = function handleMouseDown(event) { + if (!isSingleLeftClick(event)) { + return; + } + + // Stop event propagation to prevent double fire in progress-control.js + event.stopPropagation(); + this.player_.scrubbing(true); + + this.videoWasPlaying = !this.player_.paused(); + this.player_.pause(); + + _Slider.prototype.handleMouseDown.call(this, event); + }; + + /** + * Handle mouse move on seek bar + * + * @param {EventTarget~Event} event + * The `mousemove` event that caused this to run. + * + * @listens mousemove + */ + + + SeekBar.prototype.handleMouseMove = function handleMouseMove(event) { + if (!isSingleLeftClick(event)) { + return; + } + + var newTime = this.calculateDistance(event) * this.player_.duration(); + + // Don't let video end while scrubbing. + if (newTime === this.player_.duration()) { + newTime = newTime - 0.1; + } + + // Set new time (tell player to seek to new time) + this.player_.currentTime(newTime); + }; + + SeekBar.prototype.enable = function enable() { + _Slider.prototype.enable.call(this); + var mouseTimeDisplay = this.getChild('mouseTimeDisplay'); + + if (!mouseTimeDisplay) { + return; + } + + mouseTimeDisplay.show(); + }; + + SeekBar.prototype.disable = function disable() { + _Slider.prototype.disable.call(this); + var mouseTimeDisplay = this.getChild('mouseTimeDisplay'); + + if (!mouseTimeDisplay) { + return; + } + + mouseTimeDisplay.hide(); + }; + + /** + * Handle mouse up on seek bar + * + * @param {EventTarget~Event} event + * The `mouseup` event that caused this to run. + * + * @listens mouseup + */ + + + SeekBar.prototype.handleMouseUp = function handleMouseUp(event) { + _Slider.prototype.handleMouseUp.call(this, event); + + // Stop event propagation to prevent double fire in progress-control.js + if (event) { + event.stopPropagation(); + } + this.player_.scrubbing(false); + + /** + * Trigger timeupdate because we're done seeking and the time has changed. + * This is particularly useful for if the player is paused to time the time displays. + * + * @event Tech#timeupdate + * @type {EventTarget~Event} + */ + this.player_.trigger({ type: 'timeupdate', target: this, manuallyTriggered: true }); + if (this.videoWasPlaying) { + silencePromise(this.player_.play()); + } + }; + + /** + * Move more quickly fast forward for keyboard-only users + */ + + + SeekBar.prototype.stepForward = function stepForward() { + this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS); + }; + + /** + * Move more quickly rewind for keyboard-only users + */ + + + SeekBar.prototype.stepBack = function stepBack() { + this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS); + }; + + /** + * Toggles the playback state of the player + * This gets called when enter or space is used on the seekbar + * + * @param {EventTarget~Event} event + * The `keydown` event that caused this function to be called + * + */ + + + SeekBar.prototype.handleAction = function handleAction(event) { + if (this.player_.paused()) { + this.player_.play(); + } else { + this.player_.pause(); + } + }; + + /** + * Called when this SeekBar has focus and a key gets pressed down. By + * default it will call `this.handleAction` when the key is space or enter. + * + * @param {EventTarget~Event} event + * The `keydown` event that caused this function to be called. + * + * @listens keydown + */ + + + SeekBar.prototype.handleKeyPress = function handleKeyPress(event) { + + // Support Space (32) or Enter (13) key operation to fire a click event + if (event.which === 32 || event.which === 13) { + event.preventDefault(); + this.handleAction(event); + } else if (_Slider.prototype.handleKeyPress) { + + // Pass keypress handling up for unsupported keys + _Slider.prototype.handleKeyPress.call(this, event); + } + }; + + return SeekBar; + }(Slider); + + /** + * Default options for the `SeekBar` + * + * @type {Object} + * @private + */ + + + SeekBar.prototype.options_ = { + children: ['loadProgressBar', 'playProgressBar'], + barName: 'playProgressBar' + }; + + // MouseTimeDisplay tooltips should not be added to a player on mobile devices + if (!IS_IOS && !IS_ANDROID) { + SeekBar.prototype.options_.children.splice(1, 0, 'mouseTimeDisplay'); + } + + /** + * Call the update event for this Slider when this event happens on the player. + * + * @type {string} + */ + SeekBar.prototype.playerEvent = 'timeupdate'; + + Component.registerComponent('SeekBar', SeekBar); + + /** + * @file progress-control.js + */ + + /** + * The Progress Control component contains the seek bar, load progress, + * and play progress. + * + * @extends Component + */ + + var ProgressControl = function (_Component) { + inherits(ProgressControl, _Component); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function ProgressControl(player, options) { + classCallCheck(this, ProgressControl); + + var _this = possibleConstructorReturn(this, _Component.call(this, player, options)); + + _this.handleMouseMove = throttle(bind(_this, _this.handleMouseMove), 25); + _this.throttledHandleMouseSeek = throttle(bind(_this, _this.handleMouseSeek), 25); + + _this.enable(); + return _this; + } + + /** + * Create the `Component`'s DOM element + * + * @return {Element} + * The element that was created. + */ + + + ProgressControl.prototype.createEl = function createEl$$1() { + return _Component.prototype.createEl.call(this, 'div', { + className: 'vjs-progress-control vjs-control' + }); + }; + + /** + * When the mouse moves over the `ProgressControl`, the pointer position + * gets passed down to the `MouseTimeDisplay` component. + * + * @param {EventTarget~Event} event + * The `mousemove` event that caused this function to run. + * + * @listen mousemove + */ + + + ProgressControl.prototype.handleMouseMove = function handleMouseMove(event) { + var seekBar = this.getChild('seekBar'); + + if (seekBar) { + var mouseTimeDisplay = seekBar.getChild('mouseTimeDisplay'); + var seekBarEl = seekBar.el(); + var seekBarRect = getBoundingClientRect(seekBarEl); + var seekBarPoint = getPointerPosition(seekBarEl, event).x; + + // The default skin has a gap on either side of the `SeekBar`. This means + // that it's possible to trigger this behavior outside the boundaries of + // the `SeekBar`. This ensures we stay within it at all times. + if (seekBarPoint > 1) { + seekBarPoint = 1; + } else if (seekBarPoint < 0) { + seekBarPoint = 0; + } + + if (mouseTimeDisplay) { + mouseTimeDisplay.update(seekBarRect, seekBarPoint); + } + } + }; + + /** + * A throttled version of the {@link ProgressControl#handleMouseSeek} listener. + * + * @method ProgressControl#throttledHandleMouseSeek + * @param {EventTarget~Event} event + * The `mousemove` event that caused this function to run. + * + * @listen mousemove + * @listen touchmove + */ + + /** + * Handle `mousemove` or `touchmove` events on the `ProgressControl`. + * + * @param {EventTarget~Event} event + * `mousedown` or `touchstart` event that triggered this function + * + * @listens mousemove + * @listens touchmove + */ + + + ProgressControl.prototype.handleMouseSeek = function handleMouseSeek(event) { + var seekBar = this.getChild('seekBar'); + + if (seekBar) { + seekBar.handleMouseMove(event); + } + }; + + /** + * Are controls are currently enabled for this progress control. + * + * @return {boolean} + * true if controls are enabled, false otherwise + */ + + + ProgressControl.prototype.enabled = function enabled() { + return this.enabled_; + }; + + /** + * Disable all controls on the progress control and its children + */ + + + ProgressControl.prototype.disable = function disable() { + this.children().forEach(function (child) { + return child.disable && child.disable(); + }); + + if (!this.enabled()) { + return; + } + + this.off(['mousedown', 'touchstart'], this.handleMouseDown); + this.off(this.el_, 'mousemove', this.handleMouseMove); + this.handleMouseUp(); + + this.addClass('disabled'); + + this.enabled_ = false; + }; + + /** + * Enable all controls on the progress control and its children + */ + + + ProgressControl.prototype.enable = function enable() { + this.children().forEach(function (child) { + return child.enable && child.enable(); + }); + + if (this.enabled()) { + return; + } + + this.on(['mousedown', 'touchstart'], this.handleMouseDown); + this.on(this.el_, 'mousemove', this.handleMouseMove); + this.removeClass('disabled'); + + this.enabled_ = true; + }; + + /** + * Handle `mousedown` or `touchstart` events on the `ProgressControl`. + * + * @param {EventTarget~Event} event + * `mousedown` or `touchstart` event that triggered this function + * + * @listens mousedown + * @listens touchstart + */ + + + ProgressControl.prototype.handleMouseDown = function handleMouseDown(event) { + var doc = this.el_.ownerDocument; + var seekBar = this.getChild('seekBar'); + + if (seekBar) { + seekBar.handleMouseDown(event); + } + + this.on(doc, 'mousemove', this.throttledHandleMouseSeek); + this.on(doc, 'touchmove', this.throttledHandleMouseSeek); + this.on(doc, 'mouseup', this.handleMouseUp); + this.on(doc, 'touchend', this.handleMouseUp); + }; + + /** + * Handle `mouseup` or `touchend` events on the `ProgressControl`. + * + * @param {EventTarget~Event} event + * `mouseup` or `touchend` event that triggered this function. + * + * @listens touchend + * @listens mouseup + */ + + + ProgressControl.prototype.handleMouseUp = function handleMouseUp(event) { + var doc = this.el_.ownerDocument; + var seekBar = this.getChild('seekBar'); + + if (seekBar) { + seekBar.handleMouseUp(event); + } + + this.off(doc, 'mousemove', this.throttledHandleMouseSeek); + this.off(doc, 'touchmove', this.throttledHandleMouseSeek); + this.off(doc, 'mouseup', this.handleMouseUp); + this.off(doc, 'touchend', this.handleMouseUp); + }; + + return ProgressControl; + }(Component); + + /** + * Default options for `ProgressControl` + * + * @type {Object} + * @private + */ + + + ProgressControl.prototype.options_ = { + children: ['seekBar'] + }; + + Component.registerComponent('ProgressControl', ProgressControl); + + /** + * @file fullscreen-toggle.js + */ + + /** + * Toggle fullscreen video + * + * @extends Button + */ + + var FullscreenToggle = function (_Button) { + inherits(FullscreenToggle, _Button); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function FullscreenToggle(player, options) { + classCallCheck(this, FullscreenToggle); + + var _this = possibleConstructorReturn(this, _Button.call(this, player, options)); + + _this.on(player, 'fullscreenchange', _this.handleFullscreenChange); + + if (document_1[FullscreenApi.fullscreenEnabled] === false) { + _this.disable(); + } + return _this; + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + FullscreenToggle.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-fullscreen-control ' + _Button.prototype.buildCSSClass.call(this); + }; + + /** + * Handles fullscreenchange on the player and change control text accordingly. + * + * @param {EventTarget~Event} [event] + * The {@link Player#fullscreenchange} event that caused this function to be + * called. + * + * @listens Player#fullscreenchange + */ + + + FullscreenToggle.prototype.handleFullscreenChange = function handleFullscreenChange(event) { + if (this.player_.isFullscreen()) { + this.controlText('Non-Fullscreen'); + } else { + this.controlText('Fullscreen'); + } + }; + + /** + * This gets called when an `FullscreenToggle` is "clicked". See + * {@link ClickableComponent} for more detailed information on what a click can be. + * + * @param {EventTarget~Event} [event] + * The `keydown`, `tap`, or `click` event that caused this function to be + * called. + * + * @listens tap + * @listens click + */ + + + FullscreenToggle.prototype.handleClick = function handleClick(event) { + if (!this.player_.isFullscreen()) { + this.player_.requestFullscreen(); + } else { + this.player_.exitFullscreen(); + } + }; + + return FullscreenToggle; + }(Button); + + /** + * The text that should display over the `FullscreenToggle`s controls. Added for localization. + * + * @type {string} + * @private + */ + + + FullscreenToggle.prototype.controlText_ = 'Fullscreen'; + + Component.registerComponent('FullscreenToggle', FullscreenToggle); + + /** + * Check if volume control is supported and if it isn't hide the + * `Component` that was passed using the `vjs-hidden` class. + * + * @param {Component} self + * The component that should be hidden if volume is unsupported + * + * @param {Player} player + * A reference to the player + * + * @private + */ + var checkVolumeSupport = function checkVolumeSupport(self, player) { + // hide volume controls when they're not supported by the current tech + if (player.tech_ && !player.tech_.featuresVolumeControl) { + self.addClass('vjs-hidden'); + } + + self.on(player, 'loadstart', function () { + if (!player.tech_.featuresVolumeControl) { + self.addClass('vjs-hidden'); + } else { + self.removeClass('vjs-hidden'); + } + }); + }; + + /** + * @file volume-level.js + */ + + /** + * Shows volume level + * + * @extends Component + */ + + var VolumeLevel = function (_Component) { + inherits(VolumeLevel, _Component); + + function VolumeLevel() { + classCallCheck(this, VolumeLevel); + return possibleConstructorReturn(this, _Component.apply(this, arguments)); + } + + /** + * Create the `Component`'s DOM element + * + * @return {Element} + * The element that was created. + */ + VolumeLevel.prototype.createEl = function createEl() { + return _Component.prototype.createEl.call(this, 'div', { + className: 'vjs-volume-level', + innerHTML: '<span class="vjs-control-text"></span>' + }); + }; + + return VolumeLevel; + }(Component); + + Component.registerComponent('VolumeLevel', VolumeLevel); + + /** + * @file volume-bar.js + */ + + /** + * The bar that contains the volume level and can be clicked on to adjust the level + * + * @extends Slider + */ + + var VolumeBar = function (_Slider) { + inherits(VolumeBar, _Slider); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function VolumeBar(player, options) { + classCallCheck(this, VolumeBar); + + var _this = possibleConstructorReturn(this, _Slider.call(this, player, options)); + + _this.on('slideractive', _this.updateLastVolume_); + _this.on(player, 'volumechange', _this.updateARIAAttributes); + player.ready(function () { + return _this.updateARIAAttributes(); + }); + return _this; + } + + /** + * Create the `Component`'s DOM element + * + * @return {Element} + * The element that was created. + */ + + + VolumeBar.prototype.createEl = function createEl$$1() { + return _Slider.prototype.createEl.call(this, 'div', { + className: 'vjs-volume-bar vjs-slider-bar' + }, { + 'aria-label': this.localize('Volume Level'), + 'aria-live': 'polite' + }); + }; + + /** + * Handle mouse down on volume bar + * + * @param {EventTarget~Event} event + * The `mousedown` event that caused this to run. + * + * @listens mousedown + */ + + + VolumeBar.prototype.handleMouseDown = function handleMouseDown(event) { + if (!isSingleLeftClick(event)) { + return; + } + + _Slider.prototype.handleMouseDown.call(this, event); + }; + + /** + * Handle movement events on the {@link VolumeMenuButton}. + * + * @param {EventTarget~Event} event + * The event that caused this function to run. + * + * @listens mousemove + */ + + + VolumeBar.prototype.handleMouseMove = function handleMouseMove(event) { + if (!isSingleLeftClick(event)) { + return; + } + + this.checkMuted(); + this.player_.volume(this.calculateDistance(event)); + }; + + /** + * If the player is muted unmute it. + */ + + + VolumeBar.prototype.checkMuted = function checkMuted() { + if (this.player_.muted()) { + this.player_.muted(false); + } + }; + + /** + * Get percent of volume level + * + * @return {number} + * Volume level percent as a decimal number. + */ + + + VolumeBar.prototype.getPercent = function getPercent() { + if (this.player_.muted()) { + return 0; + } + return this.player_.volume(); + }; + + /** + * Increase volume level for keyboard users + */ + + + VolumeBar.prototype.stepForward = function stepForward() { + this.checkMuted(); + this.player_.volume(this.player_.volume() + 0.1); + }; + + /** + * Decrease volume level for keyboard users + */ + + + VolumeBar.prototype.stepBack = function stepBack() { + this.checkMuted(); + this.player_.volume(this.player_.volume() - 0.1); + }; + + /** + * Update ARIA accessibility attributes + * + * @param {EventTarget~Event} [event] + * The `volumechange` event that caused this function to run. + * + * @listens Player#volumechange + */ + + + VolumeBar.prototype.updateARIAAttributes = function updateARIAAttributes(event) { + var ariaValue = this.player_.muted() ? 0 : this.volumeAsPercentage_(); + + this.el_.setAttribute('aria-valuenow', ariaValue); + this.el_.setAttribute('aria-valuetext', ariaValue + '%'); + }; + + /** + * Returns the current value of the player volume as a percentage + * + * @private + */ + + + VolumeBar.prototype.volumeAsPercentage_ = function volumeAsPercentage_() { + return Math.round(this.player_.volume() * 100); + }; + + /** + * When user starts dragging the VolumeBar, store the volume and listen for + * the end of the drag. When the drag ends, if the volume was set to zero, + * set lastVolume to the stored volume. + * + * @listens slideractive + * @private + */ + + + VolumeBar.prototype.updateLastVolume_ = function updateLastVolume_() { + var _this2 = this; + + var volumeBeforeDrag = this.player_.volume(); + + this.one('sliderinactive', function () { + if (_this2.player_.volume() === 0) { + _this2.player_.lastVolume_(volumeBeforeDrag); + } + }); + }; + + return VolumeBar; + }(Slider); + + /** + * Default options for the `VolumeBar` + * + * @type {Object} + * @private + */ + + + VolumeBar.prototype.options_ = { + children: ['volumeLevel'], + barName: 'volumeLevel' + }; + + /** + * Call the update event for this Slider when this event happens on the player. + * + * @type {string} + */ + VolumeBar.prototype.playerEvent = 'volumechange'; + + Component.registerComponent('VolumeBar', VolumeBar); + + /** + * @file volume-control.js + */ + + /** + * The component for controlling the volume level + * + * @extends Component + */ + + var VolumeControl = function (_Component) { + inherits(VolumeControl, _Component); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options={}] + * The key/value store of player options. + */ + function VolumeControl(player) { + var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + classCallCheck(this, VolumeControl); + + options.vertical = options.vertical || false; + + // Pass the vertical option down to the VolumeBar if + // the VolumeBar is turned on. + if (typeof options.volumeBar === 'undefined' || isPlain(options.volumeBar)) { + options.volumeBar = options.volumeBar || {}; + options.volumeBar.vertical = options.vertical; + } + + // hide this control if volume support is missing + var _this = possibleConstructorReturn(this, _Component.call(this, player, options)); + + checkVolumeSupport(_this, player); + + _this.throttledHandleMouseMove = throttle(bind(_this, _this.handleMouseMove), 25); + + _this.on('mousedown', _this.handleMouseDown); + _this.on('touchstart', _this.handleMouseDown); + + // while the slider is active (the mouse has been pressed down and + // is dragging) or in focus we do not want to hide the VolumeBar + _this.on(_this.volumeBar, ['focus', 'slideractive'], function () { + _this.volumeBar.addClass('vjs-slider-active'); + _this.addClass('vjs-slider-active'); + _this.trigger('slideractive'); + }); + + _this.on(_this.volumeBar, ['blur', 'sliderinactive'], function () { + _this.volumeBar.removeClass('vjs-slider-active'); + _this.removeClass('vjs-slider-active'); + _this.trigger('sliderinactive'); + }); + return _this; + } + + /** + * Create the `Component`'s DOM element + * + * @return {Element} + * The element that was created. + */ + + + VolumeControl.prototype.createEl = function createEl() { + var orientationClass = 'vjs-volume-horizontal'; + + if (this.options_.vertical) { + orientationClass = 'vjs-volume-vertical'; + } + + return _Component.prototype.createEl.call(this, 'div', { + className: 'vjs-volume-control vjs-control ' + orientationClass + }); + }; + + /** + * Handle `mousedown` or `touchstart` events on the `VolumeControl`. + * + * @param {EventTarget~Event} event + * `mousedown` or `touchstart` event that triggered this function + * + * @listens mousedown + * @listens touchstart + */ + + + VolumeControl.prototype.handleMouseDown = function handleMouseDown(event) { + var doc = this.el_.ownerDocument; + + this.on(doc, 'mousemove', this.throttledHandleMouseMove); + this.on(doc, 'touchmove', this.throttledHandleMouseMove); + this.on(doc, 'mouseup', this.handleMouseUp); + this.on(doc, 'touchend', this.handleMouseUp); + }; + + /** + * Handle `mouseup` or `touchend` events on the `VolumeControl`. + * + * @param {EventTarget~Event} event + * `mouseup` or `touchend` event that triggered this function. + * + * @listens touchend + * @listens mouseup + */ + + + VolumeControl.prototype.handleMouseUp = function handleMouseUp(event) { + var doc = this.el_.ownerDocument; + + this.off(doc, 'mousemove', this.throttledHandleMouseMove); + this.off(doc, 'touchmove', this.throttledHandleMouseMove); + this.off(doc, 'mouseup', this.handleMouseUp); + this.off(doc, 'touchend', this.handleMouseUp); + }; + + /** + * Handle `mousedown` or `touchstart` events on the `VolumeControl`. + * + * @param {EventTarget~Event} event + * `mousedown` or `touchstart` event that triggered this function + * + * @listens mousedown + * @listens touchstart + */ + + + VolumeControl.prototype.handleMouseMove = function handleMouseMove(event) { + this.volumeBar.handleMouseMove(event); + }; + + return VolumeControl; + }(Component); + + /** + * Default options for the `VolumeControl` + * + * @type {Object} + * @private + */ + + + VolumeControl.prototype.options_ = { + children: ['volumeBar'] + }; + + Component.registerComponent('VolumeControl', VolumeControl); + + /** + * Check if muting volume is supported and if it isn't hide the mute toggle + * button. + * + * @param {Component} self + * A reference to the mute toggle button + * + * @param {Player} player + * A reference to the player + * + * @private + */ + var checkMuteSupport = function checkMuteSupport(self, player) { + // hide mute toggle button if it's not supported by the current tech + if (player.tech_ && !player.tech_.featuresMuteControl) { + self.addClass('vjs-hidden'); + } + + self.on(player, 'loadstart', function () { + if (!player.tech_.featuresMuteControl) { + self.addClass('vjs-hidden'); + } else { + self.removeClass('vjs-hidden'); + } + }); + }; + + /** + * @file mute-toggle.js + */ + + /** + * A button component for muting the audio. + * + * @extends Button + */ + + var MuteToggle = function (_Button) { + inherits(MuteToggle, _Button); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function MuteToggle(player, options) { + classCallCheck(this, MuteToggle); + + // hide this control if volume support is missing + var _this = possibleConstructorReturn(this, _Button.call(this, player, options)); + + checkMuteSupport(_this, player); + + _this.on(player, ['loadstart', 'volumechange'], _this.update); + return _this; + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + MuteToggle.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-mute-control ' + _Button.prototype.buildCSSClass.call(this); + }; + + /** + * This gets called when an `MuteToggle` is "clicked". See + * {@link ClickableComponent} for more detailed information on what a click can be. + * + * @param {EventTarget~Event} [event] + * The `keydown`, `tap`, or `click` event that caused this function to be + * called. + * + * @listens tap + * @listens click + */ + + + MuteToggle.prototype.handleClick = function handleClick(event) { + var vol = this.player_.volume(); + var lastVolume = this.player_.lastVolume_(); + + if (vol === 0) { + var volumeToSet = lastVolume < 0.1 ? 0.1 : lastVolume; + + this.player_.volume(volumeToSet); + this.player_.muted(false); + } else { + this.player_.muted(this.player_.muted() ? false : true); + } + }; + + /** + * Update the `MuteToggle` button based on the state of `volume` and `muted` + * on the player. + * + * @param {EventTarget~Event} [event] + * The {@link Player#loadstart} event if this function was called + * through an event. + * + * @listens Player#loadstart + * @listens Player#volumechange + */ + + + MuteToggle.prototype.update = function update(event) { + this.updateIcon_(); + this.updateControlText_(); + }; + + /** + * Update the appearance of the `MuteToggle` icon. + * + * Possible states (given `level` variable below): + * - 0: crossed out + * - 1: zero bars of volume + * - 2: one bar of volume + * - 3: two bars of volume + * + * @private + */ + + + MuteToggle.prototype.updateIcon_ = function updateIcon_() { + var vol = this.player_.volume(); + var level = 3; + + // in iOS when a player is loaded with muted attribute + // and volume is changed with a native mute button + // we want to make sure muted state is updated + if (IS_IOS) { + this.player_.muted(this.player_.tech_.el_.muted); + } + + if (vol === 0 || this.player_.muted()) { + level = 0; + } else if (vol < 0.33) { + level = 1; + } else if (vol < 0.67) { + level = 2; + } + + // TODO improve muted icon classes + for (var i = 0; i < 4; i++) { + removeClass(this.el_, 'vjs-vol-' + i); + } + addClass(this.el_, 'vjs-vol-' + level); + }; + + /** + * If `muted` has changed on the player, update the control text + * (`title` attribute on `vjs-mute-control` element and content of + * `vjs-control-text` element). + * + * @private + */ + + + MuteToggle.prototype.updateControlText_ = function updateControlText_() { + var soundOff = this.player_.muted() || this.player_.volume() === 0; + var text = soundOff ? 'Unmute' : 'Mute'; + + if (this.controlText() !== text) { + this.controlText(text); + } + }; + + return MuteToggle; + }(Button); + + /** + * The text that should display over the `MuteToggle`s controls. Added for localization. + * + * @type {string} + * @private + */ + + + MuteToggle.prototype.controlText_ = 'Mute'; + + Component.registerComponent('MuteToggle', MuteToggle); + + /** + * @file volume-control.js + */ + + /** + * A Component to contain the MuteToggle and VolumeControl so that + * they can work together. + * + * @extends Component + */ + + var VolumePanel = function (_Component) { + inherits(VolumePanel, _Component); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options={}] + * The key/value store of player options. + */ + function VolumePanel(player) { + var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + classCallCheck(this, VolumePanel); + + if (typeof options.inline !== 'undefined') { + options.inline = options.inline; + } else { + options.inline = true; + } + + // pass the inline option down to the VolumeControl as vertical if + // the VolumeControl is on. + if (typeof options.volumeControl === 'undefined' || isPlain(options.volumeControl)) { + options.volumeControl = options.volumeControl || {}; + options.volumeControl.vertical = !options.inline; + } + + var _this = possibleConstructorReturn(this, _Component.call(this, player, options)); + + _this.on(player, ['loadstart'], _this.volumePanelState_); + + // while the slider is active (the mouse has been pressed down and + // is dragging) we do not want to hide the VolumeBar + _this.on(_this.volumeControl, ['slideractive'], _this.sliderActive_); + + _this.on(_this.volumeControl, ['sliderinactive'], _this.sliderInactive_); + return _this; + } + + /** + * Add vjs-slider-active class to the VolumePanel + * + * @listens VolumeControl#slideractive + * @private + */ + + + VolumePanel.prototype.sliderActive_ = function sliderActive_() { + this.addClass('vjs-slider-active'); + }; + + /** + * Removes vjs-slider-active class to the VolumePanel + * + * @listens VolumeControl#sliderinactive + * @private + */ + + + VolumePanel.prototype.sliderInactive_ = function sliderInactive_() { + this.removeClass('vjs-slider-active'); + }; + + /** + * Adds vjs-hidden or vjs-mute-toggle-only to the VolumePanel + * depending on MuteToggle and VolumeControl state + * + * @listens Player#loadstart + * @private + */ + + + VolumePanel.prototype.volumePanelState_ = function volumePanelState_() { + // hide volume panel if neither volume control or mute toggle + // are displayed + if (this.volumeControl.hasClass('vjs-hidden') && this.muteToggle.hasClass('vjs-hidden')) { + this.addClass('vjs-hidden'); + } + + // if only mute toggle is visible we don't want + // volume panel expanding when hovered or active + if (this.volumeControl.hasClass('vjs-hidden') && !this.muteToggle.hasClass('vjs-hidden')) { + this.addClass('vjs-mute-toggle-only'); + } + }; + + /** + * Create the `Component`'s DOM element + * + * @return {Element} + * The element that was created. + */ + + + VolumePanel.prototype.createEl = function createEl() { + var orientationClass = 'vjs-volume-panel-horizontal'; + + if (!this.options_.inline) { + orientationClass = 'vjs-volume-panel-vertical'; + } + + return _Component.prototype.createEl.call(this, 'div', { + className: 'vjs-volume-panel vjs-control ' + orientationClass + }); + }; + + return VolumePanel; + }(Component); + + /** + * Default options for the `VolumeControl` + * + * @type {Object} + * @private + */ + + + VolumePanel.prototype.options_ = { + children: ['muteToggle', 'volumeControl'] + }; + + Component.registerComponent('VolumePanel', VolumePanel); + + /** + * @file menu.js + */ + + /** + * The Menu component is used to build popup menus, including subtitle and + * captions selection menus. + * + * @extends Component + */ + + var Menu = function (_Component) { + inherits(Menu, _Component); + + /** + * Create an instance of this class. + * + * @param {Player} player + * the player that this component should attach to + * + * @param {Object} [options] + * Object of option names and values + * + */ + function Menu(player, options) { + classCallCheck(this, Menu); + + var _this = possibleConstructorReturn(this, _Component.call(this, player, options)); + + if (options) { + _this.menuButton_ = options.menuButton; + } + + _this.focusedChild_ = -1; + + _this.on('keydown', _this.handleKeyPress); + return _this; + } + + /** + * Add a {@link MenuItem} to the menu. + * + * @param {Object|string} component + * The name or instance of the `MenuItem` to add. + * + */ + + + Menu.prototype.addItem = function addItem(component) { + this.addChild(component); + component.on('click', bind(this, function (event) { + // Unpress the associated MenuButton, and move focus back to it + if (this.menuButton_) { + this.menuButton_.unpressButton(); + + // don't focus menu button if item is a caption settings item + // because focus will move elsewhere + if (component.name() !== 'CaptionSettingsMenuItem') { + this.menuButton_.focus(); + } + } + })); + }; + + /** + * Create the `Menu`s DOM element. + * + * @return {Element} + * the element that was created + */ + + + Menu.prototype.createEl = function createEl$$1() { + var contentElType = this.options_.contentElType || 'ul'; + + this.contentEl_ = createEl(contentElType, { + className: 'vjs-menu-content' + }); + + this.contentEl_.setAttribute('role', 'menu'); + + var el = _Component.prototype.createEl.call(this, 'div', { + append: this.contentEl_, + className: 'vjs-menu' + }); + + el.appendChild(this.contentEl_); + + // Prevent clicks from bubbling up. Needed for Menu Buttons, + // where a click on the parent is significant + on(el, 'click', function (event) { + event.preventDefault(); + event.stopImmediatePropagation(); + }); + + return el; + }; + + Menu.prototype.dispose = function dispose() { + this.contentEl_ = null; + + _Component.prototype.dispose.call(this); + }; + + /** + * Handle a `keydown` event on this menu. This listener is added in the constructor. + * + * @param {EventTarget~Event} event + * A `keydown` event that happened on the menu. + * + * @listens keydown + */ + + + Menu.prototype.handleKeyPress = function handleKeyPress(event) { + // Left and Down Arrows + if (event.which === 37 || event.which === 40) { + event.preventDefault(); + this.stepForward(); + + // Up and Right Arrows + } else if (event.which === 38 || event.which === 39) { + event.preventDefault(); + this.stepBack(); + } + }; + + /** + * Move to next (lower) menu item for keyboard users. + */ + + + Menu.prototype.stepForward = function stepForward() { + var stepChild = 0; + + if (this.focusedChild_ !== undefined) { + stepChild = this.focusedChild_ + 1; + } + this.focus(stepChild); + }; + + /** + * Move to previous (higher) menu item for keyboard users. + */ + + + Menu.prototype.stepBack = function stepBack() { + var stepChild = 0; + + if (this.focusedChild_ !== undefined) { + stepChild = this.focusedChild_ - 1; + } + this.focus(stepChild); + }; + + /** + * Set focus on a {@link MenuItem} in the `Menu`. + * + * @param {Object|string} [item=0] + * Index of child item set focus on. + */ + + + Menu.prototype.focus = function focus() { + var item = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0; + + var children = this.children().slice(); + var haveTitle = children.length && children[0].className && /vjs-menu-title/.test(children[0].className); + + if (haveTitle) { + children.shift(); + } + + if (children.length > 0) { + if (item < 0) { + item = 0; + } else if (item >= children.length) { + item = children.length - 1; + } + + this.focusedChild_ = item; + + children[item].el_.focus(); + } + }; + + return Menu; + }(Component); + + Component.registerComponent('Menu', Menu); + + /** + * @file menu-button.js + */ + + /** + * A `MenuButton` class for any popup {@link Menu}. + * + * @extends Component + */ + + var MenuButton = function (_Component) { + inherits(MenuButton, _Component); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options={}] + * The key/value store of player options. + */ + function MenuButton(player) { + var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + classCallCheck(this, MenuButton); + + var _this = possibleConstructorReturn(this, _Component.call(this, player, options)); + + _this.menuButton_ = new Button(player, options); + + _this.menuButton_.controlText(_this.controlText_); + _this.menuButton_.el_.setAttribute('aria-haspopup', 'true'); + + // Add buildCSSClass values to the button, not the wrapper + var buttonClass = Button.prototype.buildCSSClass(); + + _this.menuButton_.el_.className = _this.buildCSSClass() + ' ' + buttonClass; + _this.menuButton_.removeClass('vjs-control'); + + _this.addChild(_this.menuButton_); + + _this.update(); + + _this.enabled_ = true; + + _this.on(_this.menuButton_, 'tap', _this.handleClick); + _this.on(_this.menuButton_, 'click', _this.handleClick); + _this.on(_this.menuButton_, 'focus', _this.handleFocus); + _this.on(_this.menuButton_, 'blur', _this.handleBlur); + + _this.on('keydown', _this.handleSubmenuKeyPress); + return _this; + } + + /** + * Update the menu based on the current state of its items. + */ + + + MenuButton.prototype.update = function update() { + var menu = this.createMenu(); + + if (this.menu) { + this.menu.dispose(); + this.removeChild(this.menu); + } + + this.menu = menu; + this.addChild(menu); + + /** + * Track the state of the menu button + * + * @type {Boolean} + * @private + */ + this.buttonPressed_ = false; + this.menuButton_.el_.setAttribute('aria-expanded', 'false'); + + if (this.items && this.items.length <= this.hideThreshold_) { + this.hide(); + } else { + this.show(); + } + }; + + /** + * Create the menu and add all items to it. + * + * @return {Menu} + * The constructed menu + */ + + + MenuButton.prototype.createMenu = function createMenu() { + var menu = new Menu(this.player_, { menuButton: this }); + + /** + * Hide the menu if the number of items is less than or equal to this threshold. This defaults + * to 0 and whenever we add items which can be hidden to the menu we'll increment it. We list + * it here because every time we run `createMenu` we need to reset the value. + * + * @protected + * @type {Number} + */ + this.hideThreshold_ = 0; + + // Add a title list item to the top + if (this.options_.title) { + var title = createEl('li', { + className: 'vjs-menu-title', + innerHTML: toTitleCase(this.options_.title), + tabIndex: -1 + }); + + this.hideThreshold_ += 1; + + menu.children_.unshift(title); + prependTo(title, menu.contentEl()); + } + + this.items = this.createItems(); + + if (this.items) { + // Add menu items to the menu + for (var i = 0; i < this.items.length; i++) { + menu.addItem(this.items[i]); + } + } + + return menu; + }; + + /** + * Create the list of menu items. Specific to each subclass. + * + * @abstract + */ + + + MenuButton.prototype.createItems = function createItems() {}; + + /** + * Create the `MenuButtons`s DOM element. + * + * @return {Element} + * The element that gets created. + */ + + + MenuButton.prototype.createEl = function createEl$$1() { + return _Component.prototype.createEl.call(this, 'div', { + className: this.buildWrapperCSSClass() + }, {}); + }; + + /** + * Allow sub components to stack CSS class names for the wrapper element + * + * @return {string} + * The constructed wrapper DOM `className` + */ + + + MenuButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() { + var menuButtonClass = 'vjs-menu-button'; + + // If the inline option is passed, we want to use different styles altogether. + if (this.options_.inline === true) { + menuButtonClass += '-inline'; + } else { + menuButtonClass += '-popup'; + } + + // TODO: Fix the CSS so that this isn't necessary + var buttonClass = Button.prototype.buildCSSClass(); + + return 'vjs-menu-button ' + menuButtonClass + ' ' + buttonClass + ' ' + _Component.prototype.buildCSSClass.call(this); + }; + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + MenuButton.prototype.buildCSSClass = function buildCSSClass() { + var menuButtonClass = 'vjs-menu-button'; + + // If the inline option is passed, we want to use different styles altogether. + if (this.options_.inline === true) { + menuButtonClass += '-inline'; + } else { + menuButtonClass += '-popup'; + } + + return 'vjs-menu-button ' + menuButtonClass + ' ' + _Component.prototype.buildCSSClass.call(this); + }; + + /** + * Get or set the localized control text that will be used for accessibility. + * + * > NOTE: This will come from the internal `menuButton_` element. + * + * @param {string} [text] + * Control text for element. + * + * @param {Element} [el=this.menuButton_.el()] + * Element to set the title on. + * + * @return {string} + * - The control text when getting + */ + + + MenuButton.prototype.controlText = function controlText(text) { + var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.menuButton_.el(); + + return this.menuButton_.controlText(text, el); + }; + + /** + * Handle a click on a `MenuButton`. + * See {@link ClickableComponent#handleClick} for instances where this is called. + * + * @param {EventTarget~Event} event + * The `keydown`, `tap`, or `click` event that caused this function to be + * called. + * + * @listens tap + * @listens click + */ + + + MenuButton.prototype.handleClick = function handleClick(event) { + // When you click the button it adds focus, which will show the menu. + // So we'll remove focus when the mouse leaves the button. Focus is needed + // for tab navigation. + + this.one(this.menu.contentEl(), 'mouseleave', bind(this, function (e) { + this.unpressButton(); + this.el_.blur(); + })); + if (this.buttonPressed_) { + this.unpressButton(); + } else { + this.pressButton(); + } + }; + + /** + * Set the focus to the actual button, not to this element + */ + + + MenuButton.prototype.focus = function focus() { + this.menuButton_.focus(); + }; + + /** + * Remove the focus from the actual button, not this element + */ + + + MenuButton.prototype.blur = function blur() { + this.menuButton_.blur(); + }; + + /** + * This gets called when a `MenuButton` gains focus via a `focus` event. + * Turns on listening for `keydown` events. When they happen it + * calls `this.handleKeyPress`. + * + * @param {EventTarget~Event} event + * The `focus` event that caused this function to be called. + * + * @listens focus + */ + + + MenuButton.prototype.handleFocus = function handleFocus() { + on(document_1, 'keydown', bind(this, this.handleKeyPress)); + }; + + /** + * Called when a `MenuButton` loses focus. Turns off the listener for + * `keydown` events. Which Stops `this.handleKeyPress` from getting called. + * + * @param {EventTarget~Event} event + * The `blur` event that caused this function to be called. + * + * @listens blur + */ + + + MenuButton.prototype.handleBlur = function handleBlur() { + off(document_1, 'keydown', bind(this, this.handleKeyPress)); + }; + + /** + * Handle tab, escape, down arrow, and up arrow keys for `MenuButton`. See + * {@link ClickableComponent#handleKeyPress} for instances where this is called. + * + * @param {EventTarget~Event} event + * The `keydown` event that caused this function to be called. + * + * @listens keydown + */ + + + MenuButton.prototype.handleKeyPress = function handleKeyPress(event) { + + // Escape (27) key or Tab (9) key unpress the 'button' + if (event.which === 27 || event.which === 9) { + if (this.buttonPressed_) { + this.unpressButton(); + } + // Don't preventDefault for Tab key - we still want to lose focus + if (event.which !== 9) { + event.preventDefault(); + // Set focus back to the menu button's button + this.menuButton_.el_.focus(); + } + // Up (38) key or Down (40) key press the 'button' + } else if (event.which === 38 || event.which === 40) { + if (!this.buttonPressed_) { + this.pressButton(); + event.preventDefault(); + } + } + }; + + /** + * Handle a `keydown` event on a sub-menu. The listener for this is added in + * the constructor. + * + * @param {EventTarget~Event} event + * Key press event + * + * @listens keydown + */ + + + MenuButton.prototype.handleSubmenuKeyPress = function handleSubmenuKeyPress(event) { + + // Escape (27) key or Tab (9) key unpress the 'button' + if (event.which === 27 || event.which === 9) { + if (this.buttonPressed_) { + this.unpressButton(); + } + // Don't preventDefault for Tab key - we still want to lose focus + if (event.which !== 9) { + event.preventDefault(); + // Set focus back to the menu button's button + this.menuButton_.el_.focus(); + } + } + }; + + /** + * Put the current `MenuButton` into a pressed state. + */ + + + MenuButton.prototype.pressButton = function pressButton() { + if (this.enabled_) { + this.buttonPressed_ = true; + this.menu.lockShowing(); + this.menuButton_.el_.setAttribute('aria-expanded', 'true'); + + // set the focus into the submenu, except on iOS where it is resulting in + // undesired scrolling behavior when the player is in an iframe + if (IS_IOS && isInFrame()) { + // Return early so that the menu isn't focused + return; + } + + this.menu.focus(); + } + }; + + /** + * Take the current `MenuButton` out of a pressed state. + */ + + + MenuButton.prototype.unpressButton = function unpressButton() { + if (this.enabled_) { + this.buttonPressed_ = false; + this.menu.unlockShowing(); + this.menuButton_.el_.setAttribute('aria-expanded', 'false'); + } + }; + + /** + * Disable the `MenuButton`. Don't allow it to be clicked. + */ + + + MenuButton.prototype.disable = function disable() { + this.unpressButton(); + + this.enabled_ = false; + this.addClass('vjs-disabled'); + + this.menuButton_.disable(); + }; + + /** + * Enable the `MenuButton`. Allow it to be clicked. + */ + + + MenuButton.prototype.enable = function enable() { + this.enabled_ = true; + this.removeClass('vjs-disabled'); + + this.menuButton_.enable(); + }; + + return MenuButton; + }(Component); + + Component.registerComponent('MenuButton', MenuButton); + + /** + * @file track-button.js + */ + + /** + * The base class for buttons that toggle specific track types (e.g. subtitles). + * + * @extends MenuButton + */ + + var TrackButton = function (_MenuButton) { + inherits(TrackButton, _MenuButton); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function TrackButton(player, options) { + classCallCheck(this, TrackButton); + + var tracks = options.tracks; + + var _this = possibleConstructorReturn(this, _MenuButton.call(this, player, options)); + + if (_this.items.length <= 1) { + _this.hide(); + } + + if (!tracks) { + return possibleConstructorReturn(_this); + } + + var updateHandler = bind(_this, _this.update); + + tracks.addEventListener('removetrack', updateHandler); + tracks.addEventListener('addtrack', updateHandler); + _this.player_.on('ready', updateHandler); + + _this.player_.on('dispose', function () { + tracks.removeEventListener('removetrack', updateHandler); + tracks.removeEventListener('addtrack', updateHandler); + }); + return _this; + } + + return TrackButton; + }(MenuButton); + + Component.registerComponent('TrackButton', TrackButton); + + /** + * @file menu-item.js + */ + + /** + * The component for a menu item. `<li>` + * + * @extends ClickableComponent + */ + + var MenuItem = function (_ClickableComponent) { + inherits(MenuItem, _ClickableComponent); + + /** + * Creates an instance of the this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options={}] + * The key/value store of player options. + * + */ + function MenuItem(player, options) { + classCallCheck(this, MenuItem); + + var _this = possibleConstructorReturn(this, _ClickableComponent.call(this, player, options)); + + _this.selectable = options.selectable; + _this.isSelected_ = options.selected || false; + _this.multiSelectable = options.multiSelectable; + + _this.selected(_this.isSelected_); + + if (_this.selectable) { + if (_this.multiSelectable) { + _this.el_.setAttribute('role', 'menuitemcheckbox'); + } else { + _this.el_.setAttribute('role', 'menuitemradio'); + } + } else { + _this.el_.setAttribute('role', 'menuitem'); + } + return _this; + } + + /** + * Create the `MenuItem's DOM element + * + * @param {string} [type=li] + * Element's node type, not actually used, always set to `li`. + * + * @param {Object} [props={}] + * An object of properties that should be set on the element + * + * @param {Object} [attrs={}] + * An object of attributes that should be set on the element + * + * @return {Element} + * The element that gets created. + */ + + + MenuItem.prototype.createEl = function createEl(type, props, attrs) { + // The control is textual, not just an icon + this.nonIconControl = true; + + return _ClickableComponent.prototype.createEl.call(this, 'li', assign({ + className: 'vjs-menu-item', + innerHTML: '<span class="vjs-menu-item-text">' + this.localize(this.options_.label) + '</span>', + tabIndex: -1 + }, props), attrs); + }; + + /** + * Any click on a `MenuItem` puts it into the selected state. + * See {@link ClickableComponent#handleClick} for instances where this is called. + * + * @param {EventTarget~Event} event + * The `keydown`, `tap`, or `click` event that caused this function to be + * called. + * + * @listens tap + * @listens click + */ + + + MenuItem.prototype.handleClick = function handleClick(event) { + this.selected(true); + }; + + /** + * Set the state for this menu item as selected or not. + * + * @param {boolean} selected + * if the menu item is selected or not + */ + + + MenuItem.prototype.selected = function selected(_selected) { + if (this.selectable) { + if (_selected) { + this.addClass('vjs-selected'); + this.el_.setAttribute('aria-checked', 'true'); + // aria-checked isn't fully supported by browsers/screen readers, + // so indicate selected state to screen reader in the control text. + this.controlText(', selected'); + this.isSelected_ = true; + } else { + this.removeClass('vjs-selected'); + this.el_.setAttribute('aria-checked', 'false'); + // Indicate un-selected state to screen reader + this.controlText(''); + this.isSelected_ = false; + } + } + }; + + return MenuItem; + }(ClickableComponent); + + Component.registerComponent('MenuItem', MenuItem); + + /** + * @file text-track-menu-item.js + */ + + /** + * The specific menu item type for selecting a language within a text track kind + * + * @extends MenuItem + */ + + var TextTrackMenuItem = function (_MenuItem) { + inherits(TextTrackMenuItem, _MenuItem); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function TextTrackMenuItem(player, options) { + classCallCheck(this, TextTrackMenuItem); + + var track = options.track; + var tracks = player.textTracks(); + + // Modify options for parent MenuItem class's init. + options.label = track.label || track.language || 'Unknown'; + options.selected = track.mode === 'showing'; + + var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options)); + + _this.track = track; + var changeHandler = function changeHandler() { + for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) { + args[_key] = arguments[_key]; + } + + _this.handleTracksChange.apply(_this, args); + }; + var selectedLanguageChangeHandler = function selectedLanguageChangeHandler() { + for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { + args[_key2] = arguments[_key2]; + } + + _this.handleSelectedLanguageChange.apply(_this, args); + }; + + player.on(['loadstart', 'texttrackchange'], changeHandler); + tracks.addEventListener('change', changeHandler); + tracks.addEventListener('selectedlanguagechange', selectedLanguageChangeHandler); + _this.on('dispose', function () { + player.off(['loadstart', 'texttrackchange'], changeHandler); + tracks.removeEventListener('change', changeHandler); + tracks.removeEventListener('selectedlanguagechange', selectedLanguageChangeHandler); + }); + + // iOS7 doesn't dispatch change events to TextTrackLists when an + // associated track's mode changes. Without something like + // Object.observe() (also not present on iOS7), it's not + // possible to detect changes to the mode attribute and polyfill + // the change event. As a poor substitute, we manually dispatch + // change events whenever the controls modify the mode. + if (tracks.onchange === undefined) { + var event = void 0; + + _this.on(['tap', 'click'], function () { + if (_typeof(window_1.Event) !== 'object') { + // Android 2.3 throws an Illegal Constructor error for window.Event + try { + event = new window_1.Event('change'); + } catch (err) { + // continue regardless of error + } + } + + if (!event) { + event = document_1.createEvent('Event'); + event.initEvent('change', true, true); + } + + tracks.dispatchEvent(event); + }); + } + + // set the default state based on current tracks + _this.handleTracksChange(); + return _this; + } + + /** + * This gets called when an `TextTrackMenuItem` is "clicked". See + * {@link ClickableComponent} for more detailed information on what a click can be. + * + * @param {EventTarget~Event} event + * The `keydown`, `tap`, or `click` event that caused this function to be + * called. + * + * @listens tap + * @listens click + */ + + + TextTrackMenuItem.prototype.handleClick = function handleClick(event) { + var kind = this.track.kind; + var kinds = this.track.kinds; + var tracks = this.player_.textTracks(); + + if (!kinds) { + kinds = [kind]; + } + + _MenuItem.prototype.handleClick.call(this, event); + + if (!tracks) { + return; + } + + for (var i = 0; i < tracks.length; i++) { + var track = tracks[i]; + + if (track === this.track && kinds.indexOf(track.kind) > -1) { + if (track.mode !== 'showing') { + track.mode = 'showing'; + } + } else if (track.mode !== 'disabled') { + track.mode = 'disabled'; + } + } + }; + + /** + * Handle text track list change + * + * @param {EventTarget~Event} event + * The `change` event that caused this function to be called. + * + * @listens TextTrackList#change + */ + + + TextTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) { + var shouldBeSelected = this.track.mode === 'showing'; + + // Prevent redundant selected() calls because they may cause + // screen readers to read the appended control text unnecessarily + if (shouldBeSelected !== this.isSelected_) { + this.selected(shouldBeSelected); + } + }; + + TextTrackMenuItem.prototype.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) { + if (this.track.mode === 'showing') { + var selectedLanguage = this.player_.cache_.selectedLanguage; + + // Don't replace the kind of track across the same language + if (selectedLanguage && selectedLanguage.enabled && selectedLanguage.language === this.track.language && selectedLanguage.kind !== this.track.kind) { + return; + } + + this.player_.cache_.selectedLanguage = { + enabled: true, + language: this.track.language, + kind: this.track.kind + }; + } + }; + + TextTrackMenuItem.prototype.dispose = function dispose() { + // remove reference to track object on dispose + this.track = null; + + _MenuItem.prototype.dispose.call(this); + }; + + return TextTrackMenuItem; + }(MenuItem); + + Component.registerComponent('TextTrackMenuItem', TextTrackMenuItem); + + /** + * @file off-text-track-menu-item.js + */ + + /** + * A special menu item for turning of a specific type of text track + * + * @extends TextTrackMenuItem + */ + + var OffTextTrackMenuItem = function (_TextTrackMenuItem) { + inherits(OffTextTrackMenuItem, _TextTrackMenuItem); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function OffTextTrackMenuItem(player, options) { + classCallCheck(this, OffTextTrackMenuItem); + + // Create pseudo track info + // Requires options['kind'] + options.track = { + player: player, + kind: options.kind, + kinds: options.kinds, + default: false, + mode: 'disabled' + }; + + if (!options.kinds) { + options.kinds = [options.kind]; + } + + if (options.label) { + options.track.label = options.label; + } else { + options.track.label = options.kinds.join(' and ') + ' off'; + } + + // MenuItem is selectable + options.selectable = true; + // MenuItem is NOT multiSelectable (i.e. only one can be marked "selected" at a time) + options.multiSelectable = false; + + return possibleConstructorReturn(this, _TextTrackMenuItem.call(this, player, options)); + } + + /** + * Handle text track change + * + * @param {EventTarget~Event} event + * The event that caused this function to run + */ + + + OffTextTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) { + var tracks = this.player().textTracks(); + var shouldBeSelected = true; + + for (var i = 0, l = tracks.length; i < l; i++) { + var track = tracks[i]; + + if (this.options_.kinds.indexOf(track.kind) > -1 && track.mode === 'showing') { + shouldBeSelected = false; + break; + } + } + + // Prevent redundant selected() calls because they may cause + // screen readers to read the appended control text unnecessarily + if (shouldBeSelected !== this.isSelected_) { + this.selected(shouldBeSelected); + } + }; + + OffTextTrackMenuItem.prototype.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) { + var tracks = this.player().textTracks(); + var allHidden = true; + + for (var i = 0, l = tracks.length; i < l; i++) { + var track = tracks[i]; + + if (['captions', 'descriptions', 'subtitles'].indexOf(track.kind) > -1 && track.mode === 'showing') { + allHidden = false; + break; + } + } + + if (allHidden) { + this.player_.cache_.selectedLanguage = { + enabled: false + }; + } + }; + + return OffTextTrackMenuItem; + }(TextTrackMenuItem); + + Component.registerComponent('OffTextTrackMenuItem', OffTextTrackMenuItem); + + /** + * @file text-track-button.js + */ + + /** + * The base class for buttons that toggle specific text track types (e.g. subtitles) + * + * @extends MenuButton + */ + + var TextTrackButton = function (_TrackButton) { + inherits(TextTrackButton, _TrackButton); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options={}] + * The key/value store of player options. + */ + function TextTrackButton(player) { + var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + classCallCheck(this, TextTrackButton); + + options.tracks = player.textTracks(); + + return possibleConstructorReturn(this, _TrackButton.call(this, player, options)); + } + + /** + * Create a menu item for each text track + * + * @param {TextTrackMenuItem[]} [items=[]] + * Existing array of items to use during creation + * + * @return {TextTrackMenuItem[]} + * Array of menu items that were created + */ + + + TextTrackButton.prototype.createItems = function createItems() { + var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : []; + var TrackMenuItem = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : TextTrackMenuItem; + + + // Label is an override for the [track] off label + // USed to localise captions/subtitles + var label = void 0; + + if (this.label_) { + label = this.label_ + ' off'; + } + // Add an OFF menu item to turn all tracks off + items.push(new OffTextTrackMenuItem(this.player_, { + kinds: this.kinds_, + kind: this.kind_, + label: label + })); + + this.hideThreshold_ += 1; + + var tracks = this.player_.textTracks(); + + if (!Array.isArray(this.kinds_)) { + this.kinds_ = [this.kind_]; + } + + for (var i = 0; i < tracks.length; i++) { + var track = tracks[i]; + + // only add tracks that are of an appropriate kind and have a label + if (this.kinds_.indexOf(track.kind) > -1) { + + var item = new TrackMenuItem(this.player_, { + track: track, + // MenuItem is selectable + selectable: true, + // MenuItem is NOT multiSelectable (i.e. only one can be marked "selected" at a time) + multiSelectable: false + }); + + item.addClass('vjs-' + track.kind + '-menu-item'); + items.push(item); + } + } + + return items; + }; + + return TextTrackButton; + }(TrackButton); + + Component.registerComponent('TextTrackButton', TextTrackButton); + + /** + * @file chapters-track-menu-item.js + */ + + /** + * The chapter track menu item + * + * @extends MenuItem + */ + + var ChaptersTrackMenuItem = function (_MenuItem) { + inherits(ChaptersTrackMenuItem, _MenuItem); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function ChaptersTrackMenuItem(player, options) { + classCallCheck(this, ChaptersTrackMenuItem); + + var track = options.track; + var cue = options.cue; + var currentTime = player.currentTime(); + + // Modify options for parent MenuItem class's init. + options.selectable = true; + options.multiSelectable = false; + options.label = cue.text; + options.selected = cue.startTime <= currentTime && currentTime < cue.endTime; + + var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options)); + + _this.track = track; + _this.cue = cue; + track.addEventListener('cuechange', bind(_this, _this.update)); + return _this; + } + + /** + * This gets called when an `ChaptersTrackMenuItem` is "clicked". See + * {@link ClickableComponent} for more detailed information on what a click can be. + * + * @param {EventTarget~Event} [event] + * The `keydown`, `tap`, or `click` event that caused this function to be + * called. + * + * @listens tap + * @listens click + */ + + + ChaptersTrackMenuItem.prototype.handleClick = function handleClick(event) { + _MenuItem.prototype.handleClick.call(this); + this.player_.currentTime(this.cue.startTime); + this.update(this.cue.startTime); + }; + + /** + * Update chapter menu item + * + * @param {EventTarget~Event} [event] + * The `cuechange` event that caused this function to run. + * + * @listens TextTrack#cuechange + */ + + + ChaptersTrackMenuItem.prototype.update = function update(event) { + var cue = this.cue; + var currentTime = this.player_.currentTime(); + + // vjs.log(currentTime, cue.startTime); + this.selected(cue.startTime <= currentTime && currentTime < cue.endTime); + }; + + return ChaptersTrackMenuItem; + }(MenuItem); + + Component.registerComponent('ChaptersTrackMenuItem', ChaptersTrackMenuItem); + + /** + * @file chapters-button.js + */ + + /** + * The button component for toggling and selecting chapters + * Chapters act much differently than other text tracks + * Cues are navigation vs. other tracks of alternative languages + * + * @extends TextTrackButton + */ + + var ChaptersButton = function (_TextTrackButton) { + inherits(ChaptersButton, _TextTrackButton); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + * + * @param {Component~ReadyCallback} [ready] + * The function to call when this function is ready. + */ + function ChaptersButton(player, options, ready) { + classCallCheck(this, ChaptersButton); + return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready)); + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + ChaptersButton.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-chapters-button ' + _TextTrackButton.prototype.buildCSSClass.call(this); + }; + + ChaptersButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() { + return 'vjs-chapters-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this); + }; + + /** + * Update the menu based on the current state of its items. + * + * @param {EventTarget~Event} [event] + * An event that triggered this function to run. + * + * @listens TextTrackList#addtrack + * @listens TextTrackList#removetrack + * @listens TextTrackList#change + */ + + + ChaptersButton.prototype.update = function update(event) { + if (!this.track_ || event && (event.type === 'addtrack' || event.type === 'removetrack')) { + this.setTrack(this.findChaptersTrack()); + } + _TextTrackButton.prototype.update.call(this); + }; + + /** + * Set the currently selected track for the chapters button. + * + * @param {TextTrack} track + * The new track to select. Nothing will change if this is the currently selected + * track. + */ + + + ChaptersButton.prototype.setTrack = function setTrack(track) { + if (this.track_ === track) { + return; + } + + if (!this.updateHandler_) { + this.updateHandler_ = this.update.bind(this); + } + + // here this.track_ refers to the old track instance + if (this.track_) { + var remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_); + + if (remoteTextTrackEl) { + remoteTextTrackEl.removeEventListener('load', this.updateHandler_); + } + + this.track_ = null; + } + + this.track_ = track; + + // here this.track_ refers to the new track instance + if (this.track_) { + this.track_.mode = 'hidden'; + + var _remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_); + + if (_remoteTextTrackEl) { + _remoteTextTrackEl.addEventListener('load', this.updateHandler_); + } + } + }; + + /** + * Find the track object that is currently in use by this ChaptersButton + * + * @return {TextTrack|undefined} + * The current track or undefined if none was found. + */ + + + ChaptersButton.prototype.findChaptersTrack = function findChaptersTrack() { + var tracks = this.player_.textTracks() || []; + + for (var i = tracks.length - 1; i >= 0; i--) { + // We will always choose the last track as our chaptersTrack + var track = tracks[i]; + + if (track.kind === this.kind_) { + return track; + } + } + }; + + /** + * Get the caption for the ChaptersButton based on the track label. This will also + * use the current tracks localized kind as a fallback if a label does not exist. + * + * @return {string} + * The tracks current label or the localized track kind. + */ + + + ChaptersButton.prototype.getMenuCaption = function getMenuCaption() { + if (this.track_ && this.track_.label) { + return this.track_.label; + } + return this.localize(toTitleCase(this.kind_)); + }; + + /** + * Create menu from chapter track + * + * @return {Menu} + * New menu for the chapter buttons + */ + + + ChaptersButton.prototype.createMenu = function createMenu() { + this.options_.title = this.getMenuCaption(); + return _TextTrackButton.prototype.createMenu.call(this); + }; + + /** + * Create a menu item for each text track + * + * @return {TextTrackMenuItem[]} + * Array of menu items + */ + + + ChaptersButton.prototype.createItems = function createItems() { + var items = []; + + if (!this.track_) { + return items; + } + + var cues = this.track_.cues; + + if (!cues) { + return items; + } + + for (var i = 0, l = cues.length; i < l; i++) { + var cue = cues[i]; + var mi = new ChaptersTrackMenuItem(this.player_, { track: this.track_, cue: cue }); + + items.push(mi); + } + + return items; + }; + + return ChaptersButton; + }(TextTrackButton); + + /** + * `kind` of TextTrack to look for to associate it with this menu. + * + * @type {string} + * @private + */ + + + ChaptersButton.prototype.kind_ = 'chapters'; + + /** + * The text that should display over the `ChaptersButton`s controls. Added for localization. + * + * @type {string} + * @private + */ + ChaptersButton.prototype.controlText_ = 'Chapters'; + + Component.registerComponent('ChaptersButton', ChaptersButton); + + /** + * @file descriptions-button.js + */ + + /** + * The button component for toggling and selecting descriptions + * + * @extends TextTrackButton + */ + + var DescriptionsButton = function (_TextTrackButton) { + inherits(DescriptionsButton, _TextTrackButton); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + * + * @param {Component~ReadyCallback} [ready] + * The function to call when this component is ready. + */ + function DescriptionsButton(player, options, ready) { + classCallCheck(this, DescriptionsButton); + + var _this = possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready)); + + var tracks = player.textTracks(); + var changeHandler = bind(_this, _this.handleTracksChange); + + tracks.addEventListener('change', changeHandler); + _this.on('dispose', function () { + tracks.removeEventListener('change', changeHandler); + }); + return _this; + } + + /** + * Handle text track change + * + * @param {EventTarget~Event} event + * The event that caused this function to run + * + * @listens TextTrackList#change + */ + + + DescriptionsButton.prototype.handleTracksChange = function handleTracksChange(event) { + var tracks = this.player().textTracks(); + var disabled = false; + + // Check whether a track of a different kind is showing + for (var i = 0, l = tracks.length; i < l; i++) { + var track = tracks[i]; + + if (track.kind !== this.kind_ && track.mode === 'showing') { + disabled = true; + break; + } + } + + // If another track is showing, disable this menu button + if (disabled) { + this.disable(); + } else { + this.enable(); + } + }; + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + DescriptionsButton.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-descriptions-button ' + _TextTrackButton.prototype.buildCSSClass.call(this); + }; + + DescriptionsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() { + return 'vjs-descriptions-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this); + }; + + return DescriptionsButton; + }(TextTrackButton); + + /** + * `kind` of TextTrack to look for to associate it with this menu. + * + * @type {string} + * @private + */ + + + DescriptionsButton.prototype.kind_ = 'descriptions'; + + /** + * The text that should display over the `DescriptionsButton`s controls. Added for localization. + * + * @type {string} + * @private + */ + DescriptionsButton.prototype.controlText_ = 'Descriptions'; + + Component.registerComponent('DescriptionsButton', DescriptionsButton); + + /** + * @file subtitles-button.js + */ + + /** + * The button component for toggling and selecting subtitles + * + * @extends TextTrackButton + */ + + var SubtitlesButton = function (_TextTrackButton) { + inherits(SubtitlesButton, _TextTrackButton); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + * + * @param {Component~ReadyCallback} [ready] + * The function to call when this component is ready. + */ + function SubtitlesButton(player, options, ready) { + classCallCheck(this, SubtitlesButton); + return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready)); + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + SubtitlesButton.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-subtitles-button ' + _TextTrackButton.prototype.buildCSSClass.call(this); + }; + + SubtitlesButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() { + return 'vjs-subtitles-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this); + }; + + return SubtitlesButton; + }(TextTrackButton); + + /** + * `kind` of TextTrack to look for to associate it with this menu. + * + * @type {string} + * @private + */ + + + SubtitlesButton.prototype.kind_ = 'subtitles'; + + /** + * The text that should display over the `SubtitlesButton`s controls. Added for localization. + * + * @type {string} + * @private + */ + SubtitlesButton.prototype.controlText_ = 'Subtitles'; + + Component.registerComponent('SubtitlesButton', SubtitlesButton); + + /** + * @file caption-settings-menu-item.js + */ + + /** + * The menu item for caption track settings menu + * + * @extends TextTrackMenuItem + */ + + var CaptionSettingsMenuItem = function (_TextTrackMenuItem) { + inherits(CaptionSettingsMenuItem, _TextTrackMenuItem); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function CaptionSettingsMenuItem(player, options) { + classCallCheck(this, CaptionSettingsMenuItem); + + options.track = { + player: player, + kind: options.kind, + label: options.kind + ' settings', + selectable: false, + default: false, + mode: 'disabled' + }; + + // CaptionSettingsMenuItem has no concept of 'selected' + options.selectable = false; + + options.name = 'CaptionSettingsMenuItem'; + + var _this = possibleConstructorReturn(this, _TextTrackMenuItem.call(this, player, options)); + + _this.addClass('vjs-texttrack-settings'); + _this.controlText(', opens ' + options.kind + ' settings dialog'); + return _this; + } + + /** + * This gets called when an `CaptionSettingsMenuItem` is "clicked". See + * {@link ClickableComponent} for more detailed information on what a click can be. + * + * @param {EventTarget~Event} [event] + * The `keydown`, `tap`, or `click` event that caused this function to be + * called. + * + * @listens tap + * @listens click + */ + + + CaptionSettingsMenuItem.prototype.handleClick = function handleClick(event) { + this.player().getChild('textTrackSettings').open(); + }; + + return CaptionSettingsMenuItem; + }(TextTrackMenuItem); + + Component.registerComponent('CaptionSettingsMenuItem', CaptionSettingsMenuItem); + + /** + * @file captions-button.js + */ + + /** + * The button component for toggling and selecting captions + * + * @extends TextTrackButton + */ + + var CaptionsButton = function (_TextTrackButton) { + inherits(CaptionsButton, _TextTrackButton); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + * + * @param {Component~ReadyCallback} [ready] + * The function to call when this component is ready. + */ + function CaptionsButton(player, options, ready) { + classCallCheck(this, CaptionsButton); + return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready)); + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + CaptionsButton.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-captions-button ' + _TextTrackButton.prototype.buildCSSClass.call(this); + }; + + CaptionsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() { + return 'vjs-captions-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this); + }; + + /** + * Create caption menu items + * + * @return {CaptionSettingsMenuItem[]} + * The array of current menu items. + */ + + + CaptionsButton.prototype.createItems = function createItems() { + var items = []; + + if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) { + items.push(new CaptionSettingsMenuItem(this.player_, { kind: this.kind_ })); + + this.hideThreshold_ += 1; + } + + return _TextTrackButton.prototype.createItems.call(this, items); + }; + + return CaptionsButton; + }(TextTrackButton); + + /** + * `kind` of TextTrack to look for to associate it with this menu. + * + * @type {string} + * @private + */ + + + CaptionsButton.prototype.kind_ = 'captions'; + + /** + * The text that should display over the `CaptionsButton`s controls. Added for localization. + * + * @type {string} + * @private + */ + CaptionsButton.prototype.controlText_ = 'Captions'; + + Component.registerComponent('CaptionsButton', CaptionsButton); + + /** + * @file subs-caps-menu-item.js + */ + + /** + * SubsCapsMenuItem has an [cc] icon to distinguish captions from subtitles + * in the SubsCapsMenu. + * + * @extends TextTrackMenuItem + */ + + var SubsCapsMenuItem = function (_TextTrackMenuItem) { + inherits(SubsCapsMenuItem, _TextTrackMenuItem); + + function SubsCapsMenuItem() { + classCallCheck(this, SubsCapsMenuItem); + return possibleConstructorReturn(this, _TextTrackMenuItem.apply(this, arguments)); + } + + SubsCapsMenuItem.prototype.createEl = function createEl(type, props, attrs) { + var innerHTML = '<span class="vjs-menu-item-text">' + this.localize(this.options_.label); + + if (this.options_.track.kind === 'captions') { + innerHTML += '\n <span aria-hidden="true" class="vjs-icon-placeholder"></span>\n <span class="vjs-control-text"> ' + this.localize('Captions') + '</span>\n '; + } + + innerHTML += '</span>'; + + var el = _TextTrackMenuItem.prototype.createEl.call(this, type, assign({ + innerHTML: innerHTML + }, props), attrs); + + return el; + }; + + return SubsCapsMenuItem; + }(TextTrackMenuItem); + + Component.registerComponent('SubsCapsMenuItem', SubsCapsMenuItem); + + /** + * @file sub-caps-button.js + */ + /** + * The button component for toggling and selecting captions and/or subtitles + * + * @extends TextTrackButton + */ + + var SubsCapsButton = function (_TextTrackButton) { + inherits(SubsCapsButton, _TextTrackButton); + + function SubsCapsButton(player) { + var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + classCallCheck(this, SubsCapsButton); + + // Although North America uses "captions" in most cases for + // "captions and subtitles" other locales use "subtitles" + var _this = possibleConstructorReturn(this, _TextTrackButton.call(this, player, options)); + + _this.label_ = 'subtitles'; + if (['en', 'en-us', 'en-ca', 'fr-ca'].indexOf(_this.player_.language_) > -1) { + _this.label_ = 'captions'; + } + _this.menuButton_.controlText(toTitleCase(_this.label_)); + return _this; + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + SubsCapsButton.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-subs-caps-button ' + _TextTrackButton.prototype.buildCSSClass.call(this); + }; + + SubsCapsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() { + return 'vjs-subs-caps-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this); + }; + + /** + * Create caption/subtitles menu items + * + * @return {CaptionSettingsMenuItem[]} + * The array of current menu items. + */ + + + SubsCapsButton.prototype.createItems = function createItems() { + var items = []; + + if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) { + items.push(new CaptionSettingsMenuItem(this.player_, { kind: this.label_ })); + + this.hideThreshold_ += 1; + } + + items = _TextTrackButton.prototype.createItems.call(this, items, SubsCapsMenuItem); + return items; + }; + + return SubsCapsButton; + }(TextTrackButton); + + /** + * `kind`s of TextTrack to look for to associate it with this menu. + * + * @type {array} + * @private + */ + + + SubsCapsButton.prototype.kinds_ = ['captions', 'subtitles']; + + /** + * The text that should display over the `SubsCapsButton`s controls. + * + * + * @type {string} + * @private + */ + SubsCapsButton.prototype.controlText_ = 'Subtitles'; + + Component.registerComponent('SubsCapsButton', SubsCapsButton); + + /** + * @file audio-track-menu-item.js + */ + + /** + * An {@link AudioTrack} {@link MenuItem} + * + * @extends MenuItem + */ + + var AudioTrackMenuItem = function (_MenuItem) { + inherits(AudioTrackMenuItem, _MenuItem); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function AudioTrackMenuItem(player, options) { + classCallCheck(this, AudioTrackMenuItem); + + var track = options.track; + var tracks = player.audioTracks(); + + // Modify options for parent MenuItem class's init. + options.label = track.label || track.language || 'Unknown'; + options.selected = track.enabled; + + var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options)); + + _this.track = track; + + _this.addClass('vjs-' + track.kind + '-menu-item'); + + var changeHandler = function changeHandler() { + for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) { + args[_key] = arguments[_key]; + } + + _this.handleTracksChange.apply(_this, args); + }; + + tracks.addEventListener('change', changeHandler); + _this.on('dispose', function () { + tracks.removeEventListener('change', changeHandler); + }); + return _this; + } + + AudioTrackMenuItem.prototype.createEl = function createEl(type, props, attrs) { + var innerHTML = '<span class="vjs-menu-item-text">' + this.localize(this.options_.label); + + if (this.options_.track.kind === 'main-desc') { + innerHTML += '\n <span aria-hidden="true" class="vjs-icon-placeholder"></span>\n <span class="vjs-control-text"> ' + this.localize('Descriptions') + '</span>\n '; + } + + innerHTML += '</span>'; + + var el = _MenuItem.prototype.createEl.call(this, type, assign({ + innerHTML: innerHTML + }, props), attrs); + + return el; + }; + + /** + * This gets called when an `AudioTrackMenuItem is "clicked". See {@link ClickableComponent} + * for more detailed information on what a click can be. + * + * @param {EventTarget~Event} [event] + * The `keydown`, `tap`, or `click` event that caused this function to be + * called. + * + * @listens tap + * @listens click + */ + + + AudioTrackMenuItem.prototype.handleClick = function handleClick(event) { + var tracks = this.player_.audioTracks(); + + _MenuItem.prototype.handleClick.call(this, event); + + for (var i = 0; i < tracks.length; i++) { + var track = tracks[i]; + + track.enabled = track === this.track; + } + }; + + /** + * Handle any {@link AudioTrack} change. + * + * @param {EventTarget~Event} [event] + * The {@link AudioTrackList#change} event that caused this to run. + * + * @listens AudioTrackList#change + */ + + + AudioTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) { + this.selected(this.track.enabled); + }; + + return AudioTrackMenuItem; + }(MenuItem); + + Component.registerComponent('AudioTrackMenuItem', AudioTrackMenuItem); + + /** + * @file audio-track-button.js + */ + + /** + * The base class for buttons that toggle specific {@link AudioTrack} types. + * + * @extends TrackButton + */ + + var AudioTrackButton = function (_TrackButton) { + inherits(AudioTrackButton, _TrackButton); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options={}] + * The key/value store of player options. + */ + function AudioTrackButton(player) { + var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + classCallCheck(this, AudioTrackButton); + + options.tracks = player.audioTracks(); + + return possibleConstructorReturn(this, _TrackButton.call(this, player, options)); + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + AudioTrackButton.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-audio-button ' + _TrackButton.prototype.buildCSSClass.call(this); + }; + + AudioTrackButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() { + return 'vjs-audio-button ' + _TrackButton.prototype.buildWrapperCSSClass.call(this); + }; + + /** + * Create a menu item for each audio track + * + * @param {AudioTrackMenuItem[]} [items=[]] + * An array of existing menu items to use. + * + * @return {AudioTrackMenuItem[]} + * An array of menu items + */ + + + AudioTrackButton.prototype.createItems = function createItems() { + var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : []; + + // if there's only one audio track, there no point in showing it + this.hideThreshold_ = 1; + + var tracks = this.player_.audioTracks(); + + for (var i = 0; i < tracks.length; i++) { + var track = tracks[i]; + + items.push(new AudioTrackMenuItem(this.player_, { + track: track, + // MenuItem is selectable + selectable: true, + // MenuItem is NOT multiSelectable (i.e. only one can be marked "selected" at a time) + multiSelectable: false + })); + } + + return items; + }; + + return AudioTrackButton; + }(TrackButton); + + /** + * The text that should display over the `AudioTrackButton`s controls. Added for localization. + * + * @type {string} + * @private + */ + + + AudioTrackButton.prototype.controlText_ = 'Audio Track'; + Component.registerComponent('AudioTrackButton', AudioTrackButton); + + /** + * @file playback-rate-menu-item.js + */ + + /** + * The specific menu item type for selecting a playback rate. + * + * @extends MenuItem + */ + + var PlaybackRateMenuItem = function (_MenuItem) { + inherits(PlaybackRateMenuItem, _MenuItem); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function PlaybackRateMenuItem(player, options) { + classCallCheck(this, PlaybackRateMenuItem); + + var label = options.rate; + var rate = parseFloat(label, 10); + + // Modify options for parent MenuItem class's init. + options.label = label; + options.selected = rate === 1; + options.selectable = true; + options.multiSelectable = false; + + var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options)); + + _this.label = label; + _this.rate = rate; + + _this.on(player, 'ratechange', _this.update); + return _this; + } + + /** + * This gets called when an `PlaybackRateMenuItem` is "clicked". See + * {@link ClickableComponent} for more detailed information on what a click can be. + * + * @param {EventTarget~Event} [event] + * The `keydown`, `tap`, or `click` event that caused this function to be + * called. + * + * @listens tap + * @listens click + */ + + + PlaybackRateMenuItem.prototype.handleClick = function handleClick(event) { + _MenuItem.prototype.handleClick.call(this); + this.player().playbackRate(this.rate); + }; + + /** + * Update the PlaybackRateMenuItem when the playbackrate changes. + * + * @param {EventTarget~Event} [event] + * The `ratechange` event that caused this function to run. + * + * @listens Player#ratechange + */ + + + PlaybackRateMenuItem.prototype.update = function update(event) { + this.selected(this.player().playbackRate() === this.rate); + }; + + return PlaybackRateMenuItem; + }(MenuItem); + + /** + * The text that should display over the `PlaybackRateMenuItem`s controls. Added for localization. + * + * @type {string} + * @private + */ + + + PlaybackRateMenuItem.prototype.contentElType = 'button'; + + Component.registerComponent('PlaybackRateMenuItem', PlaybackRateMenuItem); + + /** + * @file playback-rate-menu-button.js + */ + + /** + * The component for controlling the playback rate. + * + * @extends MenuButton + */ + + var PlaybackRateMenuButton = function (_MenuButton) { + inherits(PlaybackRateMenuButton, _MenuButton); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function PlaybackRateMenuButton(player, options) { + classCallCheck(this, PlaybackRateMenuButton); + + var _this = possibleConstructorReturn(this, _MenuButton.call(this, player, options)); + + _this.updateVisibility(); + _this.updateLabel(); + + _this.on(player, 'loadstart', _this.updateVisibility); + _this.on(player, 'ratechange', _this.updateLabel); + return _this; + } + + /** + * Create the `Component`'s DOM element + * + * @return {Element} + * The element that was created. + */ + + + PlaybackRateMenuButton.prototype.createEl = function createEl$$1() { + var el = _MenuButton.prototype.createEl.call(this); + + this.labelEl_ = createEl('div', { + className: 'vjs-playback-rate-value', + innerHTML: '1x' + }); + + el.appendChild(this.labelEl_); + + return el; + }; + + PlaybackRateMenuButton.prototype.dispose = function dispose() { + this.labelEl_ = null; + + _MenuButton.prototype.dispose.call(this); + }; + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + + + PlaybackRateMenuButton.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-playback-rate ' + _MenuButton.prototype.buildCSSClass.call(this); + }; + + PlaybackRateMenuButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() { + return 'vjs-playback-rate ' + _MenuButton.prototype.buildWrapperCSSClass.call(this); + }; + + /** + * Create the playback rate menu + * + * @return {Menu} + * Menu object populated with {@link PlaybackRateMenuItem}s + */ + + + PlaybackRateMenuButton.prototype.createMenu = function createMenu() { + var menu = new Menu(this.player()); + var rates = this.playbackRates(); + + if (rates) { + for (var i = rates.length - 1; i >= 0; i--) { + menu.addChild(new PlaybackRateMenuItem(this.player(), { rate: rates[i] + 'x' })); + } + } + + return menu; + }; + + /** + * Updates ARIA accessibility attributes + */ + + + PlaybackRateMenuButton.prototype.updateARIAAttributes = function updateARIAAttributes() { + // Current playback rate + this.el().setAttribute('aria-valuenow', this.player().playbackRate()); + }; + + /** + * This gets called when an `PlaybackRateMenuButton` is "clicked". See + * {@link ClickableComponent} for more detailed information on what a click can be. + * + * @param {EventTarget~Event} [event] + * The `keydown`, `tap`, or `click` event that caused this function to be + * called. + * + * @listens tap + * @listens click + */ + + + PlaybackRateMenuButton.prototype.handleClick = function handleClick(event) { + // select next rate option + var currentRate = this.player().playbackRate(); + var rates = this.playbackRates(); + + // this will select first one if the last one currently selected + var newRate = rates[0]; + + for (var i = 0; i < rates.length; i++) { + if (rates[i] > currentRate) { + newRate = rates[i]; + break; + } + } + this.player().playbackRate(newRate); + }; + + /** + * Get possible playback rates + * + * @return {Array} + * All possible playback rates + */ + + + PlaybackRateMenuButton.prototype.playbackRates = function playbackRates() { + return this.options_.playbackRates || this.options_.playerOptions && this.options_.playerOptions.playbackRates; + }; + + /** + * Get whether playback rates is supported by the tech + * and an array of playback rates exists + * + * @return {boolean} + * Whether changing playback rate is supported + */ + + + PlaybackRateMenuButton.prototype.playbackRateSupported = function playbackRateSupported() { + return this.player().tech_ && this.player().tech_.featuresPlaybackRate && this.playbackRates() && this.playbackRates().length > 0; + }; + + /** + * Hide playback rate controls when they're no playback rate options to select + * + * @param {EventTarget~Event} [event] + * The event that caused this function to run. + * + * @listens Player#loadstart + */ + + + PlaybackRateMenuButton.prototype.updateVisibility = function updateVisibility(event) { + if (this.playbackRateSupported()) { + this.removeClass('vjs-hidden'); + } else { + this.addClass('vjs-hidden'); + } + }; + + /** + * Update button label when rate changed + * + * @param {EventTarget~Event} [event] + * The event that caused this function to run. + * + * @listens Player#ratechange + */ + + + PlaybackRateMenuButton.prototype.updateLabel = function updateLabel(event) { + if (this.playbackRateSupported()) { + this.labelEl_.innerHTML = this.player().playbackRate() + 'x'; + } + }; + + return PlaybackRateMenuButton; + }(MenuButton); + + /** + * The text that should display over the `FullscreenToggle`s controls. Added for localization. + * + * @type {string} + * @private + */ + + + PlaybackRateMenuButton.prototype.controlText_ = 'Playback Rate'; + + Component.registerComponent('PlaybackRateMenuButton', PlaybackRateMenuButton); + + /** + * @file spacer.js + */ + + /** + * Just an empty spacer element that can be used as an append point for plugins, etc. + * Also can be used to create space between elements when necessary. + * + * @extends Component + */ + + var Spacer = function (_Component) { + inherits(Spacer, _Component); + + function Spacer() { + classCallCheck(this, Spacer); + return possibleConstructorReturn(this, _Component.apply(this, arguments)); + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + Spacer.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-spacer ' + _Component.prototype.buildCSSClass.call(this); + }; + + /** + * Create the `Component`'s DOM element + * + * @return {Element} + * The element that was created. + */ + + + Spacer.prototype.createEl = function createEl() { + return _Component.prototype.createEl.call(this, 'div', { + className: this.buildCSSClass() + }); + }; + + return Spacer; + }(Component); + + Component.registerComponent('Spacer', Spacer); + + /** + * @file custom-control-spacer.js + */ + + /** + * Spacer specifically meant to be used as an insertion point for new plugins, etc. + * + * @extends Spacer + */ + + var CustomControlSpacer = function (_Spacer) { + inherits(CustomControlSpacer, _Spacer); + + function CustomControlSpacer() { + classCallCheck(this, CustomControlSpacer); + return possibleConstructorReturn(this, _Spacer.apply(this, arguments)); + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + */ + CustomControlSpacer.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-custom-control-spacer ' + _Spacer.prototype.buildCSSClass.call(this); + }; + + /** + * Create the `Component`'s DOM element + * + * @return {Element} + * The element that was created. + */ + + + CustomControlSpacer.prototype.createEl = function createEl() { + var el = _Spacer.prototype.createEl.call(this, { + className: this.buildCSSClass() + }); + + // No-flex/table-cell mode requires there be some content + // in the cell to fill the remaining space of the table. + el.innerHTML = '\xA0'; + return el; + }; + + return CustomControlSpacer; + }(Spacer); + + Component.registerComponent('CustomControlSpacer', CustomControlSpacer); + + /** + * @file control-bar.js + */ + + /** + * Container of main controls. + * + * @extends Component + */ + + var ControlBar = function (_Component) { + inherits(ControlBar, _Component); + + function ControlBar() { + classCallCheck(this, ControlBar); + return possibleConstructorReturn(this, _Component.apply(this, arguments)); + } + + /** + * Create the `Component`'s DOM element + * + * @return {Element} + * The element that was created. + */ + ControlBar.prototype.createEl = function createEl() { + return _Component.prototype.createEl.call(this, 'div', { + className: 'vjs-control-bar', + dir: 'ltr' + }); + }; + + return ControlBar; + }(Component); + + /** + * Default options for `ControlBar` + * + * @type {Object} + * @private + */ + + + ControlBar.prototype.options_ = { + children: ['playToggle', 'volumePanel', 'currentTimeDisplay', 'timeDivider', 'durationDisplay', 'progressControl', 'liveDisplay', 'remainingTimeDisplay', 'customControlSpacer', 'playbackRateMenuButton', 'chaptersButton', 'descriptionsButton', 'subsCapsButton', 'audioTrackButton', 'fullscreenToggle'] + }; + + Component.registerComponent('ControlBar', ControlBar); + + /** + * @file error-display.js + */ + + /** + * A display that indicates an error has occurred. This means that the video + * is unplayable. + * + * @extends ModalDialog + */ + + var ErrorDisplay = function (_ModalDialog) { + inherits(ErrorDisplay, _ModalDialog); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function ErrorDisplay(player, options) { + classCallCheck(this, ErrorDisplay); + + var _this = possibleConstructorReturn(this, _ModalDialog.call(this, player, options)); + + _this.on(player, 'error', _this.open); + return _this; + } + + /** + * Builds the default DOM `className`. + * + * @return {string} + * The DOM `className` for this object. + * + * @deprecated Since version 5. + */ + + + ErrorDisplay.prototype.buildCSSClass = function buildCSSClass() { + return 'vjs-error-display ' + _ModalDialog.prototype.buildCSSClass.call(this); + }; + + /** + * Gets the localized error message based on the `Player`s error. + * + * @return {string} + * The `Player`s error message localized or an empty string. + */ + + + ErrorDisplay.prototype.content = function content() { + var error = this.player().error(); + + return error ? this.localize(error.message) : ''; + }; + + return ErrorDisplay; + }(ModalDialog); + + /** + * The default options for an `ErrorDisplay`. + * + * @private + */ + + + ErrorDisplay.prototype.options_ = mergeOptions(ModalDialog.prototype.options_, { + pauseOnOpen: false, + fillAlways: true, + temporary: false, + uncloseable: true + }); + + Component.registerComponent('ErrorDisplay', ErrorDisplay); + + /** + * @file text-track-settings.js + */ + + var LOCAL_STORAGE_KEY = 'vjs-text-track-settings'; + + var COLOR_BLACK = ['#000', 'Black']; + var COLOR_BLUE = ['#00F', 'Blue']; + var COLOR_CYAN = ['#0FF', 'Cyan']; + var COLOR_GREEN = ['#0F0', 'Green']; + var COLOR_MAGENTA = ['#F0F', 'Magenta']; + var COLOR_RED = ['#F00', 'Red']; + var COLOR_WHITE = ['#FFF', 'White']; + var COLOR_YELLOW = ['#FF0', 'Yellow']; + + var OPACITY_OPAQUE = ['1', 'Opaque']; + var OPACITY_SEMI = ['0.5', 'Semi-Transparent']; + var OPACITY_TRANS = ['0', 'Transparent']; + + // Configuration for the various <select> elements in the DOM of this component. + // + // Possible keys include: + // + // `default`: + // The default option index. Only needs to be provided if not zero. + // `parser`: + // A function which is used to parse the value from the selected option in + // a customized way. + // `selector`: + // The selector used to find the associated <select> element. + var selectConfigs = { + backgroundColor: { + selector: '.vjs-bg-color > select', + id: 'captions-background-color-%s', + label: 'Color', + options: [COLOR_BLACK, COLOR_WHITE, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN] + }, + + backgroundOpacity: { + selector: '.vjs-bg-opacity > select', + id: 'captions-background-opacity-%s', + label: 'Transparency', + options: [OPACITY_OPAQUE, OPACITY_SEMI, OPACITY_TRANS] + }, + + color: { + selector: '.vjs-fg-color > select', + id: 'captions-foreground-color-%s', + label: 'Color', + options: [COLOR_WHITE, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN] + }, + + edgeStyle: { + selector: '.vjs-edge-style > select', + id: '%s', + label: 'Text Edge Style', + options: [['none', 'None'], ['raised', 'Raised'], ['depressed', 'Depressed'], ['uniform', 'Uniform'], ['dropshadow', 'Dropshadow']] + }, + + fontFamily: { + selector: '.vjs-font-family > select', + id: 'captions-font-family-%s', + label: 'Font Family', + options: [['proportionalSansSerif', 'Proportional Sans-Serif'], ['monospaceSansSerif', 'Monospace Sans-Serif'], ['proportionalSerif', 'Proportional Serif'], ['monospaceSerif', 'Monospace Serif'], ['casual', 'Casual'], ['script', 'Script'], ['small-caps', 'Small Caps']] + }, + + fontPercent: { + selector: '.vjs-font-percent > select', + id: 'captions-font-size-%s', + label: 'Font Size', + options: [['0.50', '50%'], ['0.75', '75%'], ['1.00', '100%'], ['1.25', '125%'], ['1.50', '150%'], ['1.75', '175%'], ['2.00', '200%'], ['3.00', '300%'], ['4.00', '400%']], + default: 2, + parser: function parser(v) { + return v === '1.00' ? null : Number(v); + } + }, + + textOpacity: { + selector: '.vjs-text-opacity > select', + id: 'captions-foreground-opacity-%s', + label: 'Transparency', + options: [OPACITY_OPAQUE, OPACITY_SEMI] + }, + + // Options for this object are defined below. + windowColor: { + selector: '.vjs-window-color > select', + id: 'captions-window-color-%s', + label: 'Color' + }, + + // Options for this object are defined below. + windowOpacity: { + selector: '.vjs-window-opacity > select', + id: 'captions-window-opacity-%s', + label: 'Transparency', + options: [OPACITY_TRANS, OPACITY_SEMI, OPACITY_OPAQUE] + } + }; + + selectConfigs.windowColor.options = selectConfigs.backgroundColor.options; + + /** + * Get the actual value of an option. + * + * @param {string} value + * The value to get + * + * @param {Function} [parser] + * Optional function to adjust the value. + * + * @return {Mixed} + * - Will be `undefined` if no value exists + * - Will be `undefined` if the given value is "none". + * - Will be the actual value otherwise. + * + * @private + */ + function parseOptionValue(value, parser) { + if (parser) { + value = parser(value); + } + + if (value && value !== 'none') { + return value; + } + } + + /** + * Gets the value of the selected <option> element within a <select> element. + * + * @param {Element} el + * the element to look in + * + * @param {Function} [parser] + * Optional function to adjust the value. + * + * @return {Mixed} + * - Will be `undefined` if no value exists + * - Will be `undefined` if the given value is "none". + * - Will be the actual value otherwise. + * + * @private + */ + function getSelectedOptionValue(el, parser) { + var value = el.options[el.options.selectedIndex].value; + + return parseOptionValue(value, parser); + } + + /** + * Sets the selected <option> element within a <select> element based on a + * given value. + * + * @param {Element} el + * The element to look in. + * + * @param {string} value + * the property to look on. + * + * @param {Function} [parser] + * Optional function to adjust the value before comparing. + * + * @private + */ + function setSelectedOption(el, value, parser) { + if (!value) { + return; + } + + for (var i = 0; i < el.options.length; i++) { + if (parseOptionValue(el.options[i].value, parser) === value) { + el.selectedIndex = i; + break; + } + } + } + + /** + * Manipulate Text Tracks settings. + * + * @extends ModalDialog + */ + + var TextTrackSettings = function (_ModalDialog) { + inherits(TextTrackSettings, _ModalDialog); + + /** + * Creates an instance of this class. + * + * @param {Player} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of player options. + */ + function TextTrackSettings(player, options) { + classCallCheck(this, TextTrackSettings); + + options.temporary = false; + + var _this = possibleConstructorReturn(this, _ModalDialog.call(this, player, options)); + + _this.updateDisplay = bind(_this, _this.updateDisplay); + + // fill the modal and pretend we have opened it + _this.fill(); + _this.hasBeenOpened_ = _this.hasBeenFilled_ = true; + + _this.endDialog = createEl('p', { + className: 'vjs-control-text', + textContent: _this.localize('End of dialog window.') + }); + _this.el().appendChild(_this.endDialog); + + _this.setDefaults(); + + // Grab `persistTextTrackSettings` from the player options if not passed in child options + if (options.persistTextTrackSettings === undefined) { + _this.options_.persistTextTrackSettings = _this.options_.playerOptions.persistTextTrackSettings; + } + + _this.on(_this.$('.vjs-done-button'), 'click', function () { + _this.saveSettings(); + _this.close(); + }); + + _this.on(_this.$('.vjs-default-button'), 'click', function () { + _this.setDefaults(); + _this.updateDisplay(); + }); + + each(selectConfigs, function (config) { + _this.on(_this.$(config.selector), 'change', _this.updateDisplay); + }); + + if (_this.options_.persistTextTrackSettings) { + _this.restoreSettings(); + } + return _this; + } + + TextTrackSettings.prototype.dispose = function dispose() { + this.endDialog = null; + + _ModalDialog.prototype.dispose.call(this); + }; + + /** + * Create a <select> element with configured options. + * + * @param {string} key + * Configuration key to use during creation. + * + * @return {string} + * An HTML string. + * + * @private + */ + + + TextTrackSettings.prototype.createElSelect_ = function createElSelect_(key) { + var _this2 = this; + + var legendId = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : ''; + var type = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'label'; + + var config = selectConfigs[key]; + var id = config.id.replace('%s', this.id_); + var selectLabelledbyIds = [legendId, id].join(' ').trim(); + + return ['<' + type + ' id="' + id + '" class="' + (type === 'label' ? 'vjs-label' : '') + '">', this.localize(config.label), '</' + type + '>', '<select aria-labelledby="' + selectLabelledbyIds + '">'].concat(config.options.map(function (o) { + var optionId = id + '-' + o[1].replace(/\W+/g, ''); + + return ['<option id="' + optionId + '" value="' + o[0] + '" ', 'aria-labelledby="' + selectLabelledbyIds + ' ' + optionId + '">', _this2.localize(o[1]), '</option>'].join(''); + })).concat('</select>').join(''); + }; + + /** + * Create foreground color element for the component + * + * @return {string} + * An HTML string. + * + * @private + */ + + + TextTrackSettings.prototype.createElFgColor_ = function createElFgColor_() { + var legendId = 'captions-text-legend-' + this.id_; + + return ['<fieldset class="vjs-fg-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Text'), '</legend>', this.createElSelect_('color', legendId), '<span class="vjs-text-opacity vjs-opacity">', this.createElSelect_('textOpacity', legendId), '</span>', '</fieldset>'].join(''); + }; + + /** + * Create background color element for the component + * + * @return {string} + * An HTML string. + * + * @private + */ + + + TextTrackSettings.prototype.createElBgColor_ = function createElBgColor_() { + var legendId = 'captions-background-' + this.id_; + + return ['<fieldset class="vjs-bg-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Background'), '</legend>', this.createElSelect_('backgroundColor', legendId), '<span class="vjs-bg-opacity vjs-opacity">', this.createElSelect_('backgroundOpacity', legendId), '</span>', '</fieldset>'].join(''); + }; + + /** + * Create window color element for the component + * + * @return {string} + * An HTML string. + * + * @private + */ + + + TextTrackSettings.prototype.createElWinColor_ = function createElWinColor_() { + var legendId = 'captions-window-' + this.id_; + + return ['<fieldset class="vjs-window-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Window'), '</legend>', this.createElSelect_('windowColor', legendId), '<span class="vjs-window-opacity vjs-opacity">', this.createElSelect_('windowOpacity', legendId), '</span>', '</fieldset>'].join(''); + }; + + /** + * Create color elements for the component + * + * @return {Element} + * The element that was created + * + * @private + */ + + + TextTrackSettings.prototype.createElColors_ = function createElColors_() { + return createEl('div', { + className: 'vjs-track-settings-colors', + innerHTML: [this.createElFgColor_(), this.createElBgColor_(), this.createElWinColor_()].join('') + }); + }; + + /** + * Create font elements for the component + * + * @return {Element} + * The element that was created. + * + * @private + */ + + + TextTrackSettings.prototype.createElFont_ = function createElFont_() { + return createEl('div', { + className: 'vjs-track-settings-font', + innerHTML: ['<fieldset class="vjs-font-percent vjs-track-setting">', this.createElSelect_('fontPercent', '', 'legend'), '</fieldset>', '<fieldset class="vjs-edge-style vjs-track-setting">', this.createElSelect_('edgeStyle', '', 'legend'), '</fieldset>', '<fieldset class="vjs-font-family vjs-track-setting">', this.createElSelect_('fontFamily', '', 'legend'), '</fieldset>'].join('') + }); + }; + + /** + * Create controls for the component + * + * @return {Element} + * The element that was created. + * + * @private + */ + + + TextTrackSettings.prototype.createElControls_ = function createElControls_() { + var defaultsDescription = this.localize('restore all settings to the default values'); + + return createEl('div', { + className: 'vjs-track-settings-controls', + innerHTML: ['<button class="vjs-default-button" title="' + defaultsDescription + '">', this.localize('Reset'), '<span class="vjs-control-text"> ' + defaultsDescription + '</span>', '</button>', '<button class="vjs-done-button">' + this.localize('Done') + '</button>'].join('') + }); + }; + + TextTrackSettings.prototype.content = function content() { + return [this.createElColors_(), this.createElFont_(), this.createElControls_()]; + }; + + TextTrackSettings.prototype.label = function label() { + return this.localize('Caption Settings Dialog'); + }; + + TextTrackSettings.prototype.description = function description() { + return this.localize('Beginning of dialog window. Escape will cancel and close the window.'); + }; + + TextTrackSettings.prototype.buildCSSClass = function buildCSSClass() { + return _ModalDialog.prototype.buildCSSClass.call(this) + ' vjs-text-track-settings'; + }; + + /** + * Gets an object of text track settings (or null). + * + * @return {Object} + * An object with config values parsed from the DOM or localStorage. + */ + + + TextTrackSettings.prototype.getValues = function getValues() { + var _this3 = this; + + return reduce(selectConfigs, function (accum, config, key) { + var value = getSelectedOptionValue(_this3.$(config.selector), config.parser); + + if (value !== undefined) { + accum[key] = value; + } + + return accum; + }, {}); + }; + + /** + * Sets text track settings from an object of values. + * + * @param {Object} values + * An object with config values parsed from the DOM or localStorage. + */ + + + TextTrackSettings.prototype.setValues = function setValues(values) { + var _this4 = this; + + each(selectConfigs, function (config, key) { + setSelectedOption(_this4.$(config.selector), values[key], config.parser); + }); + }; + + /** + * Sets all `<select>` elements to their default values. + */ + + + TextTrackSettings.prototype.setDefaults = function setDefaults() { + var _this5 = this; + + each(selectConfigs, function (config) { + var index = config.hasOwnProperty('default') ? config.default : 0; + + _this5.$(config.selector).selectedIndex = index; + }); + }; + + /** + * Restore texttrack settings from localStorage + */ + + + TextTrackSettings.prototype.restoreSettings = function restoreSettings() { + var values = void 0; + + try { + values = JSON.parse(window_1.localStorage.getItem(LOCAL_STORAGE_KEY)); + } catch (err) { + log$1.warn(err); + } + + if (values) { + this.setValues(values); + } + }; + + /** + * Save text track settings to localStorage + */ + + + TextTrackSettings.prototype.saveSettings = function saveSettings() { + if (!this.options_.persistTextTrackSettings) { + return; + } + + var values = this.getValues(); + + try { + if (Object.keys(values).length) { + window_1.localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(values)); + } else { + window_1.localStorage.removeItem(LOCAL_STORAGE_KEY); + } + } catch (err) { + log$1.warn(err); + } + }; + + /** + * Update display of text track settings + */ + + + TextTrackSettings.prototype.updateDisplay = function updateDisplay() { + var ttDisplay = this.player_.getChild('textTrackDisplay'); + + if (ttDisplay) { + ttDisplay.updateDisplay(); + } + }; + + /** + * conditionally blur the element and refocus the captions button + * + * @private + */ + + + TextTrackSettings.prototype.conditionalBlur_ = function conditionalBlur_() { + this.previouslyActiveEl_ = null; + this.off(document_1, 'keydown', this.handleKeyDown); + + var cb = this.player_.controlBar; + var subsCapsBtn = cb && cb.subsCapsButton; + var ccBtn = cb && cb.captionsButton; + + if (subsCapsBtn) { + subsCapsBtn.focus(); + } else if (ccBtn) { + ccBtn.focus(); + } + }; + + return TextTrackSettings; + }(ModalDialog); + + Component.registerComponent('TextTrackSettings', TextTrackSettings); + + /** + * @file resize-manager.js + */ + + /** + * A Resize Manager. It is in charge of triggering `playerresize` on the player in the right conditions. + * + * It'll either create an iframe and use a debounced resize handler on it or use the new {@link https://wicg.github.io/ResizeObserver/|ResizeObserver}. + * + * If the ResizeObserver is available natively, it will be used. A polyfill can be passed in as an option. + * If a `playerresize` event is not needed, the ResizeManager component can be removed from the player, see the example below. + * @example <caption>How to disable the resize manager</caption> + * const player = videojs('#vid', { + * resizeManager: false + * }); + * + * @see {@link https://wicg.github.io/ResizeObserver/|ResizeObserver specification} + * + * @extends Component + */ + + var ResizeManager = function (_Component) { + inherits(ResizeManager, _Component); + + /** + * Create the ResizeManager. + * + * @param {Object} player + * The `Player` that this class should be attached to. + * + * @param {Object} [options] + * The key/value store of ResizeManager options. + * + * @param {Object} [options.ResizeObserver] + * A polyfill for ResizeObserver can be passed in here. + * If this is set to null it will ignore the native ResizeObserver and fall back to the iframe fallback. + */ + function ResizeManager(player, options) { + classCallCheck(this, ResizeManager); + + var RESIZE_OBSERVER_AVAILABLE = options.ResizeObserver || window_1.ResizeObserver; + + // if `null` was passed, we want to disable the ResizeObserver + if (options.ResizeObserver === null) { + RESIZE_OBSERVER_AVAILABLE = false; + } + + // Only create an element when ResizeObserver isn't available + var options_ = mergeOptions({ + createEl: !RESIZE_OBSERVER_AVAILABLE, + reportTouchActivity: false + }, options); + + var _this = possibleConstructorReturn(this, _Component.call(this, player, options_)); + + _this.ResizeObserver = options.ResizeObserver || window_1.ResizeObserver; + _this.loadListener_ = null; + _this.resizeObserver_ = null; + _this.debouncedHandler_ = debounce(function () { + _this.resizeHandler(); + }, 100, false, _this); + + if (RESIZE_OBSERVER_AVAILABLE) { + _this.resizeObserver_ = new _this.ResizeObserver(_this.debouncedHandler_); + _this.resizeObserver_.observe(player.el()); + } else { + _this.loadListener_ = function () { + if (!_this.el_ || !_this.el_.contentWindow) { + return; + } + + on(_this.el_.contentWindow, 'resize', _this.debouncedHandler_); + }; + + _this.one('load', _this.loadListener_); + } + return _this; + } + + ResizeManager.prototype.createEl = function createEl() { + return _Component.prototype.createEl.call(this, 'iframe', { + className: 'vjs-resize-manager' + }); + }; + + /** + * Called when a resize is triggered on the iframe or a resize is observed via the ResizeObserver + * + * @fires Player#playerresize + */ + + + ResizeManager.prototype.resizeHandler = function resizeHandler() { + /** + * Called when the player size has changed + * + * @event Player#playerresize + * @type {EventTarget~Event} + */ + // make sure player is still around to trigger + // prevents this from causing an error after dispose + if (!this.player_ || !this.player_.trigger) { + return; + } + + this.player_.trigger('playerresize'); + }; + + ResizeManager.prototype.dispose = function dispose() { + if (this.debouncedHandler_) { + this.debouncedHandler_.cancel(); + } + + if (this.resizeObserver_) { + if (this.player_.el()) { + this.resizeObserver_.unobserve(this.player_.el()); + } + this.resizeObserver_.disconnect(); + } + + if (this.el_ && this.el_.contentWindow) { + off(this.el_.contentWindow, 'resize', this.debouncedHandler_); + } + + if (this.loadListener_) { + this.off('load', this.loadListener_); + } + + this.ResizeObserver = null; + this.resizeObserver = null; + this.debouncedHandler_ = null; + this.loadListener_ = null; + }; + + return ResizeManager; + }(Component); + + Component.registerComponent('ResizeManager', ResizeManager); + + /** + * This function is used to fire a sourceset when there is something + * similar to `mediaEl.load()` being called. It will try to find the source via + * the `src` attribute and then the `<source>` elements. It will then fire `sourceset` + * with the source that was found or empty string if we cannot know. If it cannot + * find a source then `sourceset` will not be fired. + * + * @param {Html5} tech + * The tech object that sourceset was setup on + * + * @return {boolean} + * returns false if the sourceset was not fired and true otherwise. + */ + var sourcesetLoad = function sourcesetLoad(tech) { + var el = tech.el(); + + // if `el.src` is set, that source will be loaded. + if (el.hasAttribute('src')) { + tech.triggerSourceset(el.src); + return true; + } + + /** + * Since there isn't a src property on the media element, source elements will be used for + * implementing the source selection algorithm. This happens asynchronously and + * for most cases were there is more than one source we cannot tell what source will + * be loaded, without re-implementing the source selection algorithm. At this time we are not + * going to do that. There are three special cases that we do handle here though: + * + * 1. If there are no sources, do not fire `sourceset`. + * 2. If there is only one `<source>` with a `src` property/attribute that is our `src` + * 3. If there is more than one `<source>` but all of them have the same `src` url. + * That will be our src. + */ + var sources = tech.$$('source'); + var srcUrls = []; + var src = ''; + + // if there are no sources, do not fire sourceset + if (!sources.length) { + return false; + } + + // only count valid/non-duplicate source elements + for (var i = 0; i < sources.length; i++) { + var url = sources[i].src; + + if (url && srcUrls.indexOf(url) === -1) { + srcUrls.push(url); + } + } + + // there were no valid sources + if (!srcUrls.length) { + return false; + } + + // there is only one valid source element url + // use that + if (srcUrls.length === 1) { + src = srcUrls[0]; + } + + tech.triggerSourceset(src); + return true; + }; + + /** + * our implementation of an `innerHTML` descriptor for browsers + * that do not have one. + */ + var innerHTMLDescriptorPolyfill = Object.defineProperty({}, 'innerHTML', { + get: function get() { + return this.cloneNode(true).innerHTML; + }, + set: function set(v) { + // make a dummy node to use innerHTML on + var dummy = document_1.createElement(this.nodeName.toLowerCase()); + + // set innerHTML to the value provided + dummy.innerHTML = v; + + // make a document fragment to hold the nodes from dummy + var docFrag = document_1.createDocumentFragment(); + + // copy all of the nodes created by the innerHTML on dummy + // to the document fragment + while (dummy.childNodes.length) { + docFrag.appendChild(dummy.childNodes[0]); + } + + // remove content + this.innerText = ''; + + // now we add all of that html in one by appending the + // document fragment. This is how innerHTML does it. + window_1.Element.prototype.appendChild.call(this, docFrag); + + // then return the result that innerHTML's setter would + return this.innerHTML; + } + }); + + /** + * Get a property descriptor given a list of priorities and the + * property to get. + */ + var getDescriptor = function getDescriptor(priority, prop) { + var descriptor = {}; + + for (var i = 0; i < priority.length; i++) { + descriptor = Object.getOwnPropertyDescriptor(priority[i], prop); + + if (descriptor && descriptor.set && descriptor.get) { + break; + } + } + + descriptor.enumerable = true; + descriptor.configurable = true; + + return descriptor; + }; + + var getInnerHTMLDescriptor = function getInnerHTMLDescriptor(tech) { + return getDescriptor([tech.el(), window_1.HTMLMediaElement.prototype, window_1.Element.prototype, innerHTMLDescriptorPolyfill], 'innerHTML'); + }; + + /** + * Patches browser internal functions so that we can tell synchronously + * if a `<source>` was appended to the media element. For some reason this + * causes a `sourceset` if the the media element is ready and has no source. + * This happens when: + * - The page has just loaded and the media element does not have a source. + * - The media element was emptied of all sources, then `load()` was called. + * + * It does this by patching the following functions/properties when they are supported: + * + * - `append()` - can be used to add a `<source>` element to the media element + * - `appendChild()` - can be used to add a `<source>` element to the media element + * - `insertAdjacentHTML()` - can be used to add a `<source>` element to the media element + * - `innerHTML` - can be used to add a `<source>` element to the media element + * + * @param {Html5} tech + * The tech object that sourceset is being setup on. + */ + var firstSourceWatch = function firstSourceWatch(tech) { + var el = tech.el(); + + // make sure firstSourceWatch isn't setup twice. + if (el.resetSourceWatch_) { + return; + } + + var old = {}; + var innerDescriptor = getInnerHTMLDescriptor(tech); + var appendWrapper = function appendWrapper(appendFn) { + return function () { + for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) { + args[_key] = arguments[_key]; + } + + var retval = appendFn.apply(el, args); + + sourcesetLoad(tech); + + return retval; + }; + }; + + ['append', 'appendChild', 'insertAdjacentHTML'].forEach(function (k) { + if (!el[k]) { + return; + } + + // store the old function + old[k] = el[k]; + + // call the old function with a sourceset if a source + // was loaded + el[k] = appendWrapper(old[k]); + }); + + Object.defineProperty(el, 'innerHTML', mergeOptions(innerDescriptor, { + set: appendWrapper(innerDescriptor.set) + })); + + el.resetSourceWatch_ = function () { + el.resetSourceWatch_ = null; + Object.keys(old).forEach(function (k) { + el[k] = old[k]; + }); + + Object.defineProperty(el, 'innerHTML', innerDescriptor); + }; + + // on the first sourceset, we need to revert our changes + tech.one('sourceset', el.resetSourceWatch_); + }; + + /** + * our implementation of a `src` descriptor for browsers + * that do not have one. + */ + var srcDescriptorPolyfill = Object.defineProperty({}, 'src', { + get: function get() { + if (this.hasAttribute('src')) { + return getAbsoluteURL(window_1.Element.prototype.getAttribute.call(this, 'src')); + } + + return ''; + }, + set: function set(v) { + window_1.Element.prototype.setAttribute.call(this, 'src', v); + + return v; + } + }); + + var getSrcDescriptor = function getSrcDescriptor(tech) { + return getDescriptor([tech.el(), window_1.HTMLMediaElement.prototype, srcDescriptorPolyfill], 'src'); + }; + + /** + * setup `sourceset` handling on the `Html5` tech. This function + * patches the following element properties/functions: + * + * - `src` - to determine when `src` is set + * - `setAttribute()` - to determine when `src` is set + * - `load()` - this re-triggers the source selection algorithm, and can + * cause a sourceset. + * + * If there is no source when we are adding `sourceset` support or during a `load()` + * we also patch the functions listed in `firstSourceWatch`. + * + * @param {Html5} tech + * The tech to patch + */ + var setupSourceset = function setupSourceset(tech) { + if (!tech.featuresSourceset) { + return; + } + + var el = tech.el(); + + // make sure sourceset isn't setup twice. + if (el.resetSourceset_) { + return; + } + + var srcDescriptor = getSrcDescriptor(tech); + var oldSetAttribute = el.setAttribute; + var oldLoad = el.load; + + Object.defineProperty(el, 'src', mergeOptions(srcDescriptor, { + set: function set(v) { + var retval = srcDescriptor.set.call(el, v); + + // we use the getter here to get the actual value set on src + tech.triggerSourceset(el.src); + + return retval; + } + })); + + el.setAttribute = function (n, v) { + var retval = oldSetAttribute.call(el, n, v); + + if (/src/i.test(n)) { + tech.triggerSourceset(el.src); + } + + return retval; + }; + + el.load = function () { + var retval = oldLoad.call(el); + + // if load was called, but there was no source to fire + // sourceset on. We have to watch for a source append + // as that can trigger a `sourceset` when the media element + // has no source + if (!sourcesetLoad(tech)) { + tech.triggerSourceset(''); + firstSourceWatch(tech); + } + + return retval; + }; + + if (el.currentSrc) { + tech.triggerSourceset(el.currentSrc); + } else if (!sourcesetLoad(tech)) { + firstSourceWatch(tech); + } + + el.resetSourceset_ = function () { + el.resetSourceset_ = null; + el.load = oldLoad; + el.setAttribute = oldSetAttribute; + Object.defineProperty(el, 'src', srcDescriptor); + if (el.resetSourceWatch_) { + el.resetSourceWatch_(); + } + }; + }; + + var _templateObject$1 = taggedTemplateLiteralLoose(['Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n This may prevent text tracks from loading.'], ['Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n This may prevent text tracks from loading.']); + + /** + * HTML5 Media Controller - Wrapper for HTML5 Media API + * + * @mixes Tech~SourceHandlerAdditions + * @extends Tech + */ + + var Html5 = function (_Tech) { + inherits(Html5, _Tech); + + /** + * Create an instance of this Tech. + * + * @param {Object} [options] + * The key/value store of player options. + * + * @param {Component~ReadyCallback} ready + * Callback function to call when the `HTML5` Tech is ready. + */ + function Html5(options, ready) { + classCallCheck(this, Html5); + + var _this = possibleConstructorReturn(this, _Tech.call(this, options, ready)); + + var source = options.source; + var crossoriginTracks = false; + + // Set the source if one is provided + // 1) Check if the source is new (if not, we want to keep the original so playback isn't interrupted) + // 2) Check to see if the network state of the tag was failed at init, and if so, reset the source + // anyway so the error gets fired. + if (source && (_this.el_.currentSrc !== source.src || options.tag && options.tag.initNetworkState_ === 3)) { + _this.setSource(source); + } else { + _this.handleLateInit_(_this.el_); + } + + // setup sourceset after late sourceset/init + if (options.enableSourceset) { + _this.setupSourcesetHandling_(); + } + + if (_this.el_.hasChildNodes()) { + + var nodes = _this.el_.childNodes; + var nodesLength = nodes.length; + var removeNodes = []; + + while (nodesLength--) { + var node = nodes[nodesLength]; + var nodeName = node.nodeName.toLowerCase(); + + if (nodeName === 'track') { + if (!_this.featuresNativeTextTracks) { + // Empty video tag tracks so the built-in player doesn't use them also. + // This may not be fast enough to stop HTML5 browsers from reading the tags + // so we'll need to turn off any default tracks if we're manually doing + // captions and subtitles. videoElement.textTracks + removeNodes.push(node); + } else { + // store HTMLTrackElement and TextTrack to remote list + _this.remoteTextTrackEls().addTrackElement_(node); + _this.remoteTextTracks().addTrack(node.track); + _this.textTracks().addTrack(node.track); + if (!crossoriginTracks && !_this.el_.hasAttribute('crossorigin') && isCrossOrigin(node.src)) { + crossoriginTracks = true; + } + } + } + } + + for (var i = 0; i < removeNodes.length; i++) { + _this.el_.removeChild(removeNodes[i]); + } + } + + _this.proxyNativeTracks_(); + if (_this.featuresNativeTextTracks && crossoriginTracks) { + log$1.warn(tsml(_templateObject$1)); + } + + // prevent iOS Safari from disabling metadata text tracks during native playback + _this.restoreMetadataTracksInIOSNativePlayer_(); + + // Determine if native controls should be used + // Our goal should be to get the custom controls on mobile solid everywhere + // so we can remove this all together. Right now this will block custom + // controls on touch enabled laptops like the Chrome Pixel + if ((TOUCH_ENABLED || IS_IPHONE || IS_NATIVE_ANDROID) && options.nativeControlsForTouch === true) { + _this.setControls(true); + } + + // on iOS, we want to proxy `webkitbeginfullscreen` and `webkitendfullscreen` + // into a `fullscreenchange` event + _this.proxyWebkitFullscreen_(); + + _this.triggerReady(); + return _this; + } + + /** + * Dispose of `HTML5` media element and remove all tracks. + */ + + + Html5.prototype.dispose = function dispose() { + if (this.el_ && this.el_.resetSourceset_) { + this.el_.resetSourceset_(); + } + Html5.disposeMediaElement(this.el_); + this.options_ = null; + + // tech will handle clearing of the emulated track list + _Tech.prototype.dispose.call(this); + }; + + /** + * Modify the media element so that we can detect when + * the source is changed. Fires `sourceset` just after the source has changed + */ + + + Html5.prototype.setupSourcesetHandling_ = function setupSourcesetHandling_() { + setupSourceset(this); + }; + + /** + * When a captions track is enabled in the iOS Safari native player, all other + * tracks are disabled (including metadata tracks), which nulls all of their + * associated cue points. This will restore metadata tracks to their pre-fullscreen + * state in those cases so that cue points are not needlessly lost. + * + * @private + */ + + + Html5.prototype.restoreMetadataTracksInIOSNativePlayer_ = function restoreMetadataTracksInIOSNativePlayer_() { + var textTracks = this.textTracks(); + var metadataTracksPreFullscreenState = void 0; + + // captures a snapshot of every metadata track's current state + var takeMetadataTrackSnapshot = function takeMetadataTrackSnapshot() { + metadataTracksPreFullscreenState = []; + + for (var i = 0; i < textTracks.length; i++) { + var track = textTracks[i]; + + if (track.kind === 'metadata') { + metadataTracksPreFullscreenState.push({ + track: track, + storedMode: track.mode + }); + } + } + }; + + // snapshot each metadata track's initial state, and update the snapshot + // each time there is a track 'change' event + takeMetadataTrackSnapshot(); + textTracks.addEventListener('change', takeMetadataTrackSnapshot); + + this.on('dispose', function () { + return textTracks.removeEventListener('change', takeMetadataTrackSnapshot); + }); + + var restoreTrackMode = function restoreTrackMode() { + for (var i = 0; i < metadataTracksPreFullscreenState.length; i++) { + var storedTrack = metadataTracksPreFullscreenState[i]; + + if (storedTrack.track.mode === 'disabled' && storedTrack.track.mode !== storedTrack.storedMode) { + storedTrack.track.mode = storedTrack.storedMode; + } + } + // we only want this handler to be executed on the first 'change' event + textTracks.removeEventListener('change', restoreTrackMode); + }; + + // when we enter fullscreen playback, stop updating the snapshot and + // restore all track modes to their pre-fullscreen state + this.on('webkitbeginfullscreen', function () { + textTracks.removeEventListener('change', takeMetadataTrackSnapshot); + + // remove the listener before adding it just in case it wasn't previously removed + textTracks.removeEventListener('change', restoreTrackMode); + textTracks.addEventListener('change', restoreTrackMode); + }); + + // start updating the snapshot again after leaving fullscreen + this.on('webkitendfullscreen', function () { + // remove the listener before adding it just in case it wasn't previously removed + textTracks.removeEventListener('change', takeMetadataTrackSnapshot); + textTracks.addEventListener('change', takeMetadataTrackSnapshot); + + // remove the restoreTrackMode handler in case it wasn't triggered during fullscreen playback + textTracks.removeEventListener('change', restoreTrackMode); + }); + }; + + /** + * Attempt to force override of tracks for the given type + * + * @param {String} type - Track type to override, possible values include 'Audio', + * 'Video', and 'Text'. + * @param {Boolean} override - If set to true native audio/video will be overridden, + * otherwise native audio/video will potentially be used. + * @private + */ + + + Html5.prototype.overrideNative_ = function overrideNative_(type, override) { + var _this2 = this; + + // If there is no behavioral change don't add/remove listeners + if (override !== this['featuresNative' + type + 'Tracks']) { + return; + } + + var lowerCaseType = type.toLowerCase(); + + if (this[lowerCaseType + 'TracksListeners_']) { + Object.keys(this[lowerCaseType + 'TracksListeners_']).forEach(function (eventName) { + var elTracks = _this2.el()[lowerCaseType + 'Tracks']; + + elTracks.removeEventListener(eventName, _this2[lowerCaseType + 'TracksListeners_'][eventName]); + }); + } + + this['featuresNative' + type + 'Tracks'] = !override; + this[lowerCaseType + 'TracksListeners_'] = null; + + this.proxyNativeTracksForType_(lowerCaseType); + }; + + /** + * Attempt to force override of native audio tracks. + * + * @param {Boolean} override - If set to true native audio will be overridden, + * otherwise native audio will potentially be used. + */ + + + Html5.prototype.overrideNativeAudioTracks = function overrideNativeAudioTracks(override) { + this.overrideNative_('Audio', override); + }; + + /** + * Attempt to force override of native video tracks. + * + * @param {Boolean} override - If set to true native video will be overridden, + * otherwise native video will potentially be used. + */ + + + Html5.prototype.overrideNativeVideoTracks = function overrideNativeVideoTracks(override) { + this.overrideNative_('Video', override); + }; + + /** + * Proxy native track list events for the given type to our track + * lists if the browser we are playing in supports that type of track list. + * + * @param {string} name - Track type; values include 'audio', 'video', and 'text' + * @private + */ + + + Html5.prototype.proxyNativeTracksForType_ = function proxyNativeTracksForType_(name) { + var _this3 = this; + + var props = NORMAL[name]; + var elTracks = this.el()[props.getterName]; + var techTracks = this[props.getterName](); + + if (!this['featuresNative' + props.capitalName + 'Tracks'] || !elTracks || !elTracks.addEventListener) { + return; + } + var listeners = { + change: function change(e) { + techTracks.trigger({ + type: 'change', + target: techTracks, + currentTarget: techTracks, + srcElement: techTracks + }); + }, + addtrack: function addtrack(e) { + techTracks.addTrack(e.track); + }, + removetrack: function removetrack(e) { + techTracks.removeTrack(e.track); + } + }; + var removeOldTracks = function removeOldTracks() { + var removeTracks = []; + + for (var i = 0; i < techTracks.length; i++) { + var found = false; + + for (var j = 0; j < elTracks.length; j++) { + if (elTracks[j] === techTracks[i]) { + found = true; + break; + } + } + + if (!found) { + removeTracks.push(techTracks[i]); + } + } + + while (removeTracks.length) { + techTracks.removeTrack(removeTracks.shift()); + } + }; + + this[props.getterName + 'Listeners_'] = listeners; + + Object.keys(listeners).forEach(function (eventName) { + var listener = listeners[eventName]; + + elTracks.addEventListener(eventName, listener); + _this3.on('dispose', function (e) { + return elTracks.removeEventListener(eventName, listener); + }); + }); + + // Remove (native) tracks that are not used anymore + this.on('loadstart', removeOldTracks); + this.on('dispose', function (e) { + return _this3.off('loadstart', removeOldTracks); + }); + }; + + /** + * Proxy all native track list events to our track lists if the browser we are playing + * in supports that type of track list. + * + * @private + */ + + + Html5.prototype.proxyNativeTracks_ = function proxyNativeTracks_() { + var _this4 = this; + + NORMAL.names.forEach(function (name) { + _this4.proxyNativeTracksForType_(name); + }); + }; + + /** + * Create the `Html5` Tech's DOM element. + * + * @return {Element} + * The element that gets created. + */ + + + Html5.prototype.createEl = function createEl$$1() { + var el = this.options_.tag; + + // Check if this browser supports moving the element into the box. + // On the iPhone video will break if you move the element, + // So we have to create a brand new element. + // If we ingested the player div, we do not need to move the media element. + if (!el || !(this.options_.playerElIngest || this.movingMediaElementInDOM)) { + + // If the original tag is still there, clone and remove it. + if (el) { + var clone = el.cloneNode(true); + + if (el.parentNode) { + el.parentNode.insertBefore(clone, el); + } + Html5.disposeMediaElement(el); + el = clone; + } else { + el = document_1.createElement('video'); + + // determine if native controls should be used + var tagAttributes = this.options_.tag && getAttributes(this.options_.tag); + var attributes = mergeOptions({}, tagAttributes); + + if (!TOUCH_ENABLED || this.options_.nativeControlsForTouch !== true) { + delete attributes.controls; + } + + setAttributes(el, assign(attributes, { + id: this.options_.techId, + class: 'vjs-tech' + })); + } + + el.playerId = this.options_.playerId; + } + + if (typeof this.options_.preload !== 'undefined') { + setAttribute(el, 'preload', this.options_.preload); + } + + // Update specific tag settings, in case they were overridden + // `autoplay` has to be *last* so that `muted` and `playsinline` are present + // when iOS/Safari or other browsers attempt to autoplay. + var settingsAttrs = ['loop', 'muted', 'playsinline', 'autoplay']; + + for (var i = 0; i < settingsAttrs.length; i++) { + var attr = settingsAttrs[i]; + var value = this.options_[attr]; + + if (typeof value !== 'undefined') { + if (value) { + setAttribute(el, attr, attr); + } else { + removeAttribute(el, attr); + } + el[attr] = value; + } + } + + return el; + }; + + /** + * This will be triggered if the loadstart event has already fired, before videojs was + * ready. Two known examples of when this can happen are: + * 1. If we're loading the playback object after it has started loading + * 2. The media is already playing the (often with autoplay on) then + * + * This function will fire another loadstart so that videojs can catchup. + * + * @fires Tech#loadstart + * + * @return {undefined} + * returns nothing. + */ + + + Html5.prototype.handleLateInit_ = function handleLateInit_(el) { + if (el.networkState === 0 || el.networkState === 3) { + // The video element hasn't started loading the source yet + // or didn't find a source + return; + } + + if (el.readyState === 0) { + // NetworkState is set synchronously BUT loadstart is fired at the + // end of the current stack, usually before setInterval(fn, 0). + // So at this point we know loadstart may have already fired or is + // about to fire, and either way the player hasn't seen it yet. + // We don't want to fire loadstart prematurely here and cause a + // double loadstart so we'll wait and see if it happens between now + // and the next loop, and fire it if not. + // HOWEVER, we also want to make sure it fires before loadedmetadata + // which could also happen between now and the next loop, so we'll + // watch for that also. + var loadstartFired = false; + var setLoadstartFired = function setLoadstartFired() { + loadstartFired = true; + }; + + this.on('loadstart', setLoadstartFired); + + var triggerLoadstart = function triggerLoadstart() { + // We did miss the original loadstart. Make sure the player + // sees loadstart before loadedmetadata + if (!loadstartFired) { + this.trigger('loadstart'); + } + }; + + this.on('loadedmetadata', triggerLoadstart); + + this.ready(function () { + this.off('loadstart', setLoadstartFired); + this.off('loadedmetadata', triggerLoadstart); + + if (!loadstartFired) { + // We did miss the original native loadstart. Fire it now. + this.trigger('loadstart'); + } + }); + + return; + } + + // From here on we know that loadstart already fired and we missed it. + // The other readyState events aren't as much of a problem if we double + // them, so not going to go to as much trouble as loadstart to prevent + // that unless we find reason to. + var eventsToTrigger = ['loadstart']; + + // loadedmetadata: newly equal to HAVE_METADATA (1) or greater + eventsToTrigger.push('loadedmetadata'); + + // loadeddata: newly increased to HAVE_CURRENT_DATA (2) or greater + if (el.readyState >= 2) { + eventsToTrigger.push('loadeddata'); + } + + // canplay: newly increased to HAVE_FUTURE_DATA (3) or greater + if (el.readyState >= 3) { + eventsToTrigger.push('canplay'); + } + + // canplaythrough: newly equal to HAVE_ENOUGH_DATA (4) + if (el.readyState >= 4) { + eventsToTrigger.push('canplaythrough'); + } + + // We still need to give the player time to add event listeners + this.ready(function () { + eventsToTrigger.forEach(function (type) { + this.trigger(type); + }, this); + }); + }; + + /** + * Set current time for the `HTML5` tech. + * + * @param {number} seconds + * Set the current time of the media to this. + */ + + + Html5.prototype.setCurrentTime = function setCurrentTime(seconds) { + try { + this.el_.currentTime = seconds; + } catch (e) { + log$1(e, 'Video is not ready. (Video.js)'); + // this.warning(VideoJS.warnings.videoNotReady); + } + }; + + /** + * Get the current duration of the HTML5 media element. + * + * @return {number} + * The duration of the media or 0 if there is no duration. + */ + + + Html5.prototype.duration = function duration() { + var _this5 = this; + + // Android Chrome will report duration as Infinity for VOD HLS until after + // playback has started, which triggers the live display erroneously. + // Return NaN if playback has not started and trigger a durationupdate once + // the duration can be reliably known. + if (this.el_.duration === Infinity && IS_ANDROID && IS_CHROME && this.el_.currentTime === 0) { + // Wait for the first `timeupdate` with currentTime > 0 - there may be + // several with 0 + var checkProgress = function checkProgress() { + if (_this5.el_.currentTime > 0) { + // Trigger durationchange for genuinely live video + if (_this5.el_.duration === Infinity) { + _this5.trigger('durationchange'); + } + _this5.off('timeupdate', checkProgress); + } + }; + + this.on('timeupdate', checkProgress); + return NaN; + } + return this.el_.duration || NaN; + }; + + /** + * Get the current width of the HTML5 media element. + * + * @return {number} + * The width of the HTML5 media element. + */ + + + Html5.prototype.width = function width() { + return this.el_.offsetWidth; + }; + + /** + * Get the current height of the HTML5 media element. + * + * @return {number} + * The height of the HTML5 media element. + */ + + + Html5.prototype.height = function height() { + return this.el_.offsetHeight; + }; + + /** + * Proxy iOS `webkitbeginfullscreen` and `webkitendfullscreen` into + * `fullscreenchange` event. + * + * @private + * @fires fullscreenchange + * @listens webkitendfullscreen + * @listens webkitbeginfullscreen + * @listens webkitbeginfullscreen + */ + + + Html5.prototype.proxyWebkitFullscreen_ = function proxyWebkitFullscreen_() { + var _this6 = this; + + if (!('webkitDisplayingFullscreen' in this.el_)) { + return; + } + + var endFn = function endFn() { + this.trigger('fullscreenchange', { isFullscreen: false }); + }; + + var beginFn = function beginFn() { + if ('webkitPresentationMode' in this.el_ && this.el_.webkitPresentationMode !== 'picture-in-picture') { + this.one('webkitendfullscreen', endFn); + + this.trigger('fullscreenchange', { isFullscreen: true }); + } + }; + + this.on('webkitbeginfullscreen', beginFn); + this.on('dispose', function () { + _this6.off('webkitbeginfullscreen', beginFn); + _this6.off('webkitendfullscreen', endFn); + }); + }; + + /** + * Check if fullscreen is supported on the current playback device. + * + * @return {boolean} + * - True if fullscreen is supported. + * - False if fullscreen is not supported. + */ + + + Html5.prototype.supportsFullScreen = function supportsFullScreen() { + if (typeof this.el_.webkitEnterFullScreen === 'function') { + var userAgent = window_1.navigator && window_1.navigator.userAgent || ''; + + // Seems to be broken in Chromium/Chrome && Safari in Leopard + if (/Android/.test(userAgent) || !/Chrome|Mac OS X 10.5/.test(userAgent)) { + return true; + } + } + return false; + }; + + /** + * Request that the `HTML5` Tech enter fullscreen. + */ + + + Html5.prototype.enterFullScreen = function enterFullScreen() { + var video = this.el_; + + if (video.paused && video.networkState <= video.HAVE_METADATA) { + // attempt to prime the video element for programmatic access + // this isn't necessary on the desktop but shouldn't hurt + this.el_.play(); + + // playing and pausing synchronously during the transition to fullscreen + // can get iOS ~6.1 devices into a play/pause loop + this.setTimeout(function () { + video.pause(); + video.webkitEnterFullScreen(); + }, 0); + } else { + video.webkitEnterFullScreen(); + } + }; + + /** + * Request that the `HTML5` Tech exit fullscreen. + */ + + + Html5.prototype.exitFullScreen = function exitFullScreen() { + this.el_.webkitExitFullScreen(); + }; + + /** + * A getter/setter for the `Html5` Tech's source object. + * > Note: Please use {@link Html5#setSource} + * + * @param {Tech~SourceObject} [src] + * The source object you want to set on the `HTML5` techs element. + * + * @return {Tech~SourceObject|undefined} + * - The current source object when a source is not passed in. + * - undefined when setting + * + * @deprecated Since version 5. + */ + + + Html5.prototype.src = function src(_src) { + if (_src === undefined) { + return this.el_.src; + } + + // Setting src through `src` instead of `setSrc` will be deprecated + this.setSrc(_src); + }; + + /** + * Reset the tech by removing all sources and then calling + * {@link Html5.resetMediaElement}. + */ + + + Html5.prototype.reset = function reset() { + Html5.resetMediaElement(this.el_); + }; + + /** + * Get the current source on the `HTML5` Tech. Falls back to returning the source from + * the HTML5 media element. + * + * @return {Tech~SourceObject} + * The current source object from the HTML5 tech. With a fallback to the + * elements source. + */ + + + Html5.prototype.currentSrc = function currentSrc() { + if (this.currentSource_) { + return this.currentSource_.src; + } + return this.el_.currentSrc; + }; + + /** + * Set controls attribute for the HTML5 media Element. + * + * @param {string} val + * Value to set the controls attribute to + */ + + + Html5.prototype.setControls = function setControls(val) { + this.el_.controls = !!val; + }; + + /** + * Create and returns a remote {@link TextTrack} object. + * + * @param {string} kind + * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata) + * + * @param {string} [label] + * Label to identify the text track + * + * @param {string} [language] + * Two letter language abbreviation + * + * @return {TextTrack} + * The TextTrack that gets created. + */ + + + Html5.prototype.addTextTrack = function addTextTrack(kind, label, language) { + if (!this.featuresNativeTextTracks) { + return _Tech.prototype.addTextTrack.call(this, kind, label, language); + } + + return this.el_.addTextTrack(kind, label, language); + }; + + /** + * Creates either native TextTrack or an emulated TextTrack depending + * on the value of `featuresNativeTextTracks` + * + * @param {Object} options + * The object should contain the options to initialize the TextTrack with. + * + * @param {string} [options.kind] + * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata). + * + * @param {string} [options.label] + * Label to identify the text track + * + * @param {string} [options.language] + * Two letter language abbreviation. + * + * @param {boolean} [options.default] + * Default this track to on. + * + * @param {string} [options.id] + * The internal id to assign this track. + * + * @param {string} [options.src] + * A source url for the track. + * + * @return {HTMLTrackElement} + * The track element that gets created. + */ + + + Html5.prototype.createRemoteTextTrack = function createRemoteTextTrack(options) { + if (!this.featuresNativeTextTracks) { + return _Tech.prototype.createRemoteTextTrack.call(this, options); + } + var htmlTrackElement = document_1.createElement('track'); + + if (options.kind) { + htmlTrackElement.kind = options.kind; + } + if (options.label) { + htmlTrackElement.label = options.label; + } + if (options.language || options.srclang) { + htmlTrackElement.srclang = options.language || options.srclang; + } + if (options.default) { + htmlTrackElement.default = options.default; + } + if (options.id) { + htmlTrackElement.id = options.id; + } + if (options.src) { + htmlTrackElement.src = options.src; + } + + return htmlTrackElement; + }; + + /** + * Creates a remote text track object and returns an html track element. + * + * @param {Object} options The object should contain values for + * kind, language, label, and src (location of the WebVTT file) + * @param {Boolean} [manualCleanup=true] if set to false, the TextTrack will be + * automatically removed from the video element whenever the source changes + * @return {HTMLTrackElement} An Html Track Element. + * This can be an emulated {@link HTMLTrackElement} or a native one. + * @deprecated The default value of the "manualCleanup" parameter will default + * to "false" in upcoming versions of Video.js + */ + + + Html5.prototype.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) { + var htmlTrackElement = _Tech.prototype.addRemoteTextTrack.call(this, options, manualCleanup); + + if (this.featuresNativeTextTracks) { + this.el().appendChild(htmlTrackElement); + } + + return htmlTrackElement; + }; + + /** + * Remove remote `TextTrack` from `TextTrackList` object + * + * @param {TextTrack} track + * `TextTrack` object to remove + */ + + + Html5.prototype.removeRemoteTextTrack = function removeRemoteTextTrack(track) { + _Tech.prototype.removeRemoteTextTrack.call(this, track); + + if (this.featuresNativeTextTracks) { + var tracks = this.$$('track'); + + var i = tracks.length; + + while (i--) { + if (track === tracks[i] || track === tracks[i].track) { + this.el().removeChild(tracks[i]); + } + } + } + }; + + /** + * Gets available media playback quality metrics as specified by the W3C's Media + * Playback Quality API. + * + * @see [Spec]{@link https://wicg.github.io/media-playback-quality} + * + * @return {Object} + * An object with supported media playback quality metrics + */ + + + Html5.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() { + if (typeof this.el().getVideoPlaybackQuality === 'function') { + return this.el().getVideoPlaybackQuality(); + } + + var videoPlaybackQuality = {}; + + if (typeof this.el().webkitDroppedFrameCount !== 'undefined' && typeof this.el().webkitDecodedFrameCount !== 'undefined') { + videoPlaybackQuality.droppedVideoFrames = this.el().webkitDroppedFrameCount; + videoPlaybackQuality.totalVideoFrames = this.el().webkitDecodedFrameCount; + } + + if (window_1.performance && typeof window_1.performance.now === 'function') { + videoPlaybackQuality.creationTime = window_1.performance.now(); + } else if (window_1.performance && window_1.performance.timing && typeof window_1.performance.timing.navigationStart === 'number') { + videoPlaybackQuality.creationTime = window_1.Date.now() - window_1.performance.timing.navigationStart; + } + + return videoPlaybackQuality; + }; + + return Html5; + }(Tech); + + /* HTML5 Support Testing ---------------------------------------------------- */ + + if (isReal()) { + + /** + * Element for testing browser HTML5 media capabilities + * + * @type {Element} + * @constant + * @private + */ + Html5.TEST_VID = document_1.createElement('video'); + var track = document_1.createElement('track'); + + track.kind = 'captions'; + track.srclang = 'en'; + track.label = 'English'; + Html5.TEST_VID.appendChild(track); + } + + /** + * Check if HTML5 media is supported by this browser/device. + * + * @return {boolean} + * - True if HTML5 media is supported. + * - False if HTML5 media is not supported. + */ + Html5.isSupported = function () { + // IE with no Media Player is a LIAR! (#984) + try { + Html5.TEST_VID.volume = 0.5; + } catch (e) { + return false; + } + + return !!(Html5.TEST_VID && Html5.TEST_VID.canPlayType); + }; + + /** + * Check if the tech can support the given type + * + * @param {string} type + * The mimetype to check + * @return {string} 'probably', 'maybe', or '' (empty string) + */ + Html5.canPlayType = function (type) { + return Html5.TEST_VID.canPlayType(type); + }; + + /** + * Check if the tech can support the given source + * @param {Object} srcObj + * The source object + * @param {Object} options + * The options passed to the tech + * @return {string} 'probably', 'maybe', or '' (empty string) + */ + Html5.canPlaySource = function (srcObj, options) { + return Html5.canPlayType(srcObj.type); + }; + + /** + * Check if the volume can be changed in this browser/device. + * Volume cannot be changed in a lot of mobile devices. + * Specifically, it can't be changed from 1 on iOS. + * + * @return {boolean} + * - True if volume can be controlled + * - False otherwise + */ + Html5.canControlVolume = function () { + // IE will error if Windows Media Player not installed #3315 + try { + var volume = Html5.TEST_VID.volume; + + Html5.TEST_VID.volume = volume / 2 + 0.1; + return volume !== Html5.TEST_VID.volume; + } catch (e) { + return false; + } + }; + + /** + * Check if the volume can be muted in this browser/device. + * Some devices, e.g. iOS, don't allow changing volume + * but permits muting/unmuting. + * + * @return {bolean} + * - True if volume can be muted + * - False otherwise + */ + Html5.canMuteVolume = function () { + try { + var muted = Html5.TEST_VID.muted; + + // in some versions of iOS muted property doesn't always + // work, so we want to set both property and attribute + Html5.TEST_VID.muted = !muted; + if (Html5.TEST_VID.muted) { + setAttribute(Html5.TEST_VID, 'muted', 'muted'); + } else { + removeAttribute(Html5.TEST_VID, 'muted', 'muted'); + } + return muted !== Html5.TEST_VID.muted; + } catch (e) { + return false; + } + }; + + /** + * Check if the playback rate can be changed in this browser/device. + * + * @return {boolean} + * - True if playback rate can be controlled + * - False otherwise + */ + Html5.canControlPlaybackRate = function () { + // Playback rate API is implemented in Android Chrome, but doesn't do anything + // https://github.com/videojs/video.js/issues/3180 + if (IS_ANDROID && IS_CHROME && CHROME_VERSION < 58) { + return false; + } + // IE will error if Windows Media Player not installed #3315 + try { + var playbackRate = Html5.TEST_VID.playbackRate; + + Html5.TEST_VID.playbackRate = playbackRate / 2 + 0.1; + return playbackRate !== Html5.TEST_VID.playbackRate; + } catch (e) { + return false; + } + }; + + /** + * Check if we can override a video/audio elements attributes, with + * Object.defineProperty. + * + * @return {boolean} + * - True if builtin attributes can be overridden + * - False otherwise + */ + Html5.canOverrideAttributes = function () { + // if we cannot overwrite the src/innerHTML property, there is no support + // iOS 7 safari for instance cannot do this. + try { + var noop = function noop() {}; + + Object.defineProperty(document_1.createElement('video'), 'src', { get: noop, set: noop }); + Object.defineProperty(document_1.createElement('audio'), 'src', { get: noop, set: noop }); + Object.defineProperty(document_1.createElement('video'), 'innerHTML', { get: noop, set: noop }); + Object.defineProperty(document_1.createElement('audio'), 'innerHTML', { get: noop, set: noop }); + } catch (e) { + return false; + } + + return true; + }; + + /** + * Check to see if native `TextTrack`s are supported by this browser/device. + * + * @return {boolean} + * - True if native `TextTrack`s are supported. + * - False otherwise + */ + Html5.supportsNativeTextTracks = function () { + return IS_ANY_SAFARI || IS_IOS && IS_CHROME; + }; + + /** + * Check to see if native `VideoTrack`s are supported by this browser/device + * + * @return {boolean} + * - True if native `VideoTrack`s are supported. + * - False otherwise + */ + Html5.supportsNativeVideoTracks = function () { + return !!(Html5.TEST_VID && Html5.TEST_VID.videoTracks); + }; + + /** + * Check to see if native `AudioTrack`s are supported by this browser/device + * + * @return {boolean} + * - True if native `AudioTrack`s are supported. + * - False otherwise + */ + Html5.supportsNativeAudioTracks = function () { + return !!(Html5.TEST_VID && Html5.TEST_VID.audioTracks); + }; + + /** + * An array of events available on the Html5 tech. + * + * @private + * @type {Array} + */ + Html5.Events = ['loadstart', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'loadedmetadata', 'loadeddata', 'canplay', 'canplaythrough', 'playing', 'waiting', 'seeking', 'seeked', 'ended', 'durationchange', 'timeupdate', 'progress', 'play', 'pause', 'ratechange', 'resize', 'volumechange']; + + /** + * Boolean indicating whether the `Tech` supports volume control. + * + * @type {boolean} + * @default {@link Html5.canControlVolume} + */ + Html5.prototype.featuresVolumeControl = Html5.canControlVolume(); + + /** + * Boolean indicating whether the `Tech` supports muting volume. + * + * @type {bolean} + * @default {@link Html5.canMuteVolume} + */ + Html5.prototype.featuresMuteControl = Html5.canMuteVolume(); + + /** + * Boolean indicating whether the `Tech` supports changing the speed at which the media + * plays. Examples: + * - Set player to play 2x (twice) as fast + * - Set player to play 0.5x (half) as fast + * + * @type {boolean} + * @default {@link Html5.canControlPlaybackRate} + */ + Html5.prototype.featuresPlaybackRate = Html5.canControlPlaybackRate(); + + /** + * Boolean indicating whether the `Tech` supports the `sourceset` event. + * + * @type {boolean} + * @default + */ + Html5.prototype.featuresSourceset = Html5.canOverrideAttributes(); + + /** + * Boolean indicating whether the `HTML5` tech currently supports the media element + * moving in the DOM. iOS breaks if you move the media element, so this is set this to + * false there. Everywhere else this should be true. + * + * @type {boolean} + * @default + */ + Html5.prototype.movingMediaElementInDOM = !IS_IOS; + + // TODO: Previous comment: No longer appears to be used. Can probably be removed. + // Is this true? + /** + * Boolean indicating whether the `HTML5` tech currently supports automatic media resize + * when going into fullscreen. + * + * @type {boolean} + * @default + */ + Html5.prototype.featuresFullscreenResize = true; + + /** + * Boolean indicating whether the `HTML5` tech currently supports the progress event. + * If this is false, manual `progress` events will be triggered instead. + * + * @type {boolean} + * @default + */ + Html5.prototype.featuresProgressEvents = true; + + /** + * Boolean indicating whether the `HTML5` tech currently supports the timeupdate event. + * If this is false, manual `timeupdate` events will be triggered instead. + * + * @default + */ + Html5.prototype.featuresTimeupdateEvents = true; + + /** + * Boolean indicating whether the `HTML5` tech currently supports native `TextTrack`s. + * + * @type {boolean} + * @default {@link Html5.supportsNativeTextTracks} + */ + Html5.prototype.featuresNativeTextTracks = Html5.supportsNativeTextTracks(); + + /** + * Boolean indicating whether the `HTML5` tech currently supports native `VideoTrack`s. + * + * @type {boolean} + * @default {@link Html5.supportsNativeVideoTracks} + */ + Html5.prototype.featuresNativeVideoTracks = Html5.supportsNativeVideoTracks(); + + /** + * Boolean indicating whether the `HTML5` tech currently supports native `AudioTrack`s. + * + * @type {boolean} + * @default {@link Html5.supportsNativeAudioTracks} + */ + Html5.prototype.featuresNativeAudioTracks = Html5.supportsNativeAudioTracks(); + + // HTML5 Feature detection and Device Fixes --------------------------------- // + var canPlayType = Html5.TEST_VID && Html5.TEST_VID.constructor.prototype.canPlayType; + var mpegurlRE = /^application\/(?:x-|vnd\.apple\.)mpegurl/i; + + Html5.patchCanPlayType = function () { + + // Android 4.0 and above can play HLS to some extent but it reports being unable to do so + // Firefox and Chrome report correctly + if (ANDROID_VERSION >= 4.0 && !IS_FIREFOX && !IS_CHROME) { + Html5.TEST_VID.constructor.prototype.canPlayType = function (type) { + if (type && mpegurlRE.test(type)) { + return 'maybe'; + } + return canPlayType.call(this, type); + }; + } + }; + + Html5.unpatchCanPlayType = function () { + var r = Html5.TEST_VID.constructor.prototype.canPlayType; + + Html5.TEST_VID.constructor.prototype.canPlayType = canPlayType; + return r; + }; + + // by default, patch the media element + Html5.patchCanPlayType(); + + Html5.disposeMediaElement = function (el) { + if (!el) { + return; + } + + if (el.parentNode) { + el.parentNode.removeChild(el); + } + + // remove any child track or source nodes to prevent their loading + while (el.hasChildNodes()) { + el.removeChild(el.firstChild); + } + + // remove any src reference. not setting `src=''` because that causes a warning + // in firefox + el.removeAttribute('src'); + + // force the media element to update its loading state by calling load() + // however IE on Windows 7N has a bug that throws an error so need a try/catch (#793) + if (typeof el.load === 'function') { + // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473) + (function () { + try { + el.load(); + } catch (e) { + // not supported + } + })(); + } + }; + + Html5.resetMediaElement = function (el) { + if (!el) { + return; + } + + var sources = el.querySelectorAll('source'); + var i = sources.length; + + while (i--) { + el.removeChild(sources[i]); + } + + // remove any src reference. + // not setting `src=''` because that throws an error + el.removeAttribute('src'); + + if (typeof el.load === 'function') { + // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473) + (function () { + try { + el.load(); + } catch (e) { + // satisfy linter + } + })(); + } + }; + + /* Native HTML5 element property wrapping ----------------------------------- */ + // Wrap native boolean attributes with getters that check both property and attribute + // The list is as followed: + // muted, defaultMuted, autoplay, controls, loop, playsinline + [ + /** + * Get the value of `muted` from the media element. `muted` indicates + * that the volume for the media should be set to silent. This does not actually change + * the `volume` attribute. + * + * @method Html5#muted + * @return {boolean} + * - True if the value of `volume` should be ignored and the audio set to silent. + * - False if the value of `volume` should be used. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted} + */ + 'muted', + + /** + * Get the value of `defaultMuted` from the media element. `defaultMuted` indicates + * whether the media should start muted or not. Only changes the default state of the + * media. `muted` and `defaultMuted` can have different values. {@link Html5#muted} indicates the + * current state. + * + * @method Html5#defaultMuted + * @return {boolean} + * - The value of `defaultMuted` from the media element. + * - True indicates that the media should start muted. + * - False indicates that the media should not start muted + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted} + */ + 'defaultMuted', + + /** + * Get the value of `autoplay` from the media element. `autoplay` indicates + * that the media should start to play as soon as the page is ready. + * + * @method Html5#autoplay + * @return {boolean} + * - The value of `autoplay` from the media element. + * - True indicates that the media should start as soon as the page loads. + * - False indicates that the media should not start as soon as the page loads. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay} + */ + 'autoplay', + + /** + * Get the value of `controls` from the media element. `controls` indicates + * whether the native media controls should be shown or hidden. + * + * @method Html5#controls + * @return {boolean} + * - The value of `controls` from the media element. + * - True indicates that native controls should be showing. + * - False indicates that native controls should be hidden. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-controls} + */ + 'controls', + + /** + * Get the value of `loop` from the media element. `loop` indicates + * that the media should return to the start of the media and continue playing once + * it reaches the end. + * + * @method Html5#loop + * @return {boolean} + * - The value of `loop` from the media element. + * - True indicates that playback should seek back to start once + * the end of a media is reached. + * - False indicates that playback should not loop back to the start when the + * end of the media is reached. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop} + */ + 'loop', + + /** + * Get the value of `playsinline` from the media element. `playsinline` indicates + * to the browser that non-fullscreen playback is preferred when fullscreen + * playback is the native default, such as in iOS Safari. + * + * @method Html5#playsinline + * @return {boolean} + * - The value of `playsinline` from the media element. + * - True indicates that the media should play inline. + * - False indicates that the media should not play inline. + * + * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline} + */ + 'playsinline'].forEach(function (prop) { + Html5.prototype[prop] = function () { + return this.el_[prop] || this.el_.hasAttribute(prop); + }; + }); + + // Wrap native boolean attributes with setters that set both property and attribute + // The list is as followed: + // setMuted, setDefaultMuted, setAutoplay, setLoop, setPlaysinline + // setControls is special-cased above + [ + /** + * Set the value of `muted` on the media element. `muted` indicates that the current + * audio level should be silent. + * + * @method Html5#setMuted + * @param {boolean} muted + * - True if the audio should be set to silent + * - False otherwise + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted} + */ + 'muted', + + /** + * Set the value of `defaultMuted` on the media element. `defaultMuted` indicates that the current + * audio level should be silent, but will only effect the muted level on intial playback.. + * + * @method Html5.prototype.setDefaultMuted + * @param {boolean} defaultMuted + * - True if the audio should be set to silent + * - False otherwise + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted} + */ + 'defaultMuted', + + /** + * Set the value of `autoplay` on the media element. `autoplay` indicates + * that the media should start to play as soon as the page is ready. + * + * @method Html5#setAutoplay + * @param {boolean} autoplay + * - True indicates that the media should start as soon as the page loads. + * - False indicates that the media should not start as soon as the page loads. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay} + */ + 'autoplay', + + /** + * Set the value of `loop` on the media element. `loop` indicates + * that the media should return to the start of the media and continue playing once + * it reaches the end. + * + * @method Html5#setLoop + * @param {boolean} loop + * - True indicates that playback should seek back to start once + * the end of a media is reached. + * - False indicates that playback should not loop back to the start when the + * end of the media is reached. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop} + */ + 'loop', + + /** + * Set the value of `playsinline` from the media element. `playsinline` indicates + * to the browser that non-fullscreen playback is preferred when fullscreen + * playback is the native default, such as in iOS Safari. + * + * @method Html5#setPlaysinline + * @param {boolean} playsinline + * - True indicates that the media should play inline. + * - False indicates that the media should not play inline. + * + * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline} + */ + 'playsinline'].forEach(function (prop) { + Html5.prototype['set' + toTitleCase(prop)] = function (v) { + this.el_[prop] = v; + + if (v) { + this.el_.setAttribute(prop, prop); + } else { + this.el_.removeAttribute(prop); + } + }; + }); + + // Wrap native properties with a getter + // The list is as followed + // paused, currentTime, buffered, volume, poster, preload, error, seeking + // seekable, ended, playbackRate, defaultPlaybackRate, played, networkState + // readyState, videoWidth, videoHeight + [ + /** + * Get the value of `paused` from the media element. `paused` indicates whether the media element + * is currently paused or not. + * + * @method Html5#paused + * @return {boolean} + * The value of `paused` from the media element. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-paused} + */ + 'paused', + + /** + * Get the value of `currentTime` from the media element. `currentTime` indicates + * the current second that the media is at in playback. + * + * @method Html5#currentTime + * @return {number} + * The value of `currentTime` from the media element. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-currenttime} + */ + 'currentTime', + + /** + * Get the value of `buffered` from the media element. `buffered` is a `TimeRange` + * object that represents the parts of the media that are already downloaded and + * available for playback. + * + * @method Html5#buffered + * @return {TimeRange} + * The value of `buffered` from the media element. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-buffered} + */ + 'buffered', + + /** + * Get the value of `volume` from the media element. `volume` indicates + * the current playback volume of audio for a media. `volume` will be a value from 0 + * (silent) to 1 (loudest and default). + * + * @method Html5#volume + * @return {number} + * The value of `volume` from the media element. Value will be between 0-1. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume} + */ + 'volume', + + /** + * Get the value of `poster` from the media element. `poster` indicates + * that the url of an image file that can/will be shown when no media data is available. + * + * @method Html5#poster + * @return {string} + * The value of `poster` from the media element. Value will be a url to an + * image. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-video-poster} + */ + 'poster', + + /** + * Get the value of `preload` from the media element. `preload` indicates + * what should download before the media is interacted with. It can have the following + * values: + * - none: nothing should be downloaded + * - metadata: poster and the first few frames of the media may be downloaded to get + * media dimensions and other metadata + * - auto: allow the media and metadata for the media to be downloaded before + * interaction + * + * @method Html5#preload + * @return {string} + * The value of `preload` from the media element. Will be 'none', 'metadata', + * or 'auto'. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload} + */ + 'preload', + + /** + * Get the value of the `error` from the media element. `error` indicates any + * MediaError that may have occurred during playback. If error returns null there is no + * current error. + * + * @method Html5#error + * @return {MediaError|null} + * The value of `error` from the media element. Will be `MediaError` if there + * is a current error and null otherwise. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-error} + */ + 'error', + + /** + * Get the value of `seeking` from the media element. `seeking` indicates whether the + * media is currently seeking to a new position or not. + * + * @method Html5#seeking + * @return {boolean} + * - The value of `seeking` from the media element. + * - True indicates that the media is currently seeking to a new position. + * - False indicates that the media is not seeking to a new position at this time. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seeking} + */ + 'seeking', + + /** + * Get the value of `seekable` from the media element. `seekable` returns a + * `TimeRange` object indicating ranges of time that can currently be `seeked` to. + * + * @method Html5#seekable + * @return {TimeRange} + * The value of `seekable` from the media element. A `TimeRange` object + * indicating the current ranges of time that can be seeked to. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seekable} + */ + 'seekable', + + /** + * Get the value of `ended` from the media element. `ended` indicates whether + * the media has reached the end or not. + * + * @method Html5#ended + * @return {boolean} + * - The value of `ended` from the media element. + * - True indicates that the media has ended. + * - False indicates that the media has not ended. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended} + */ + 'ended', + + /** + * Get the value of `playbackRate` from the media element. `playbackRate` indicates + * the rate at which the media is currently playing back. Examples: + * - if playbackRate is set to 2, media will play twice as fast. + * - if playbackRate is set to 0.5, media will play half as fast. + * + * @method Html5#playbackRate + * @return {number} + * The value of `playbackRate` from the media element. A number indicating + * the current playback speed of the media, where 1 is normal speed. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate} + */ + 'playbackRate', + + /** + * Get the value of `defaultPlaybackRate` from the media element. `defaultPlaybackRate` indicates + * the rate at which the media is currently playing back. This value will not indicate the current + * `playbackRate` after playback has started, use {@link Html5#playbackRate} for that. + * + * Examples: + * - if defaultPlaybackRate is set to 2, media will play twice as fast. + * - if defaultPlaybackRate is set to 0.5, media will play half as fast. + * + * @method Html5.prototype.defaultPlaybackRate + * @return {number} + * The value of `defaultPlaybackRate` from the media element. A number indicating + * the current playback speed of the media, where 1 is normal speed. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate} + */ + 'defaultPlaybackRate', + + /** + * Get the value of `played` from the media element. `played` returns a `TimeRange` + * object representing points in the media timeline that have been played. + * + * @method Html5#played + * @return {TimeRange} + * The value of `played` from the media element. A `TimeRange` object indicating + * the ranges of time that have been played. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-played} + */ + 'played', + + /** + * Get the value of `networkState` from the media element. `networkState` indicates + * the current network state. It returns an enumeration from the following list: + * - 0: NETWORK_EMPTY + * - 1: NETWORK_IDLE + * - 2: NETWORK_LOADING + * - 3: NETWORK_NO_SOURCE + * + * @method Html5#networkState + * @return {number} + * The value of `networkState` from the media element. This will be a number + * from the list in the description. + * + * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-networkstate} + */ + 'networkState', + + /** + * Get the value of `readyState` from the media element. `readyState` indicates + * the current state of the media element. It returns an enumeration from the + * following list: + * - 0: HAVE_NOTHING + * - 1: HAVE_METADATA + * - 2: HAVE_CURRENT_DATA + * - 3: HAVE_FUTURE_DATA + * - 4: HAVE_ENOUGH_DATA + * + * @method Html5#readyState + * @return {number} + * The value of `readyState` from the media element. This will be a number + * from the list in the description. + * + * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#ready-states} + */ + 'readyState', + + /** + * Get the value of `videoWidth` from the video element. `videoWidth` indicates + * the current width of the video in css pixels. + * + * @method Html5#videoWidth + * @return {number} + * The value of `videoWidth` from the video element. This will be a number + * in css pixels. + * + * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth} + */ + 'videoWidth', + + /** + * Get the value of `videoHeight` from the video element. `videoHeight` indicates + * the current height of the video in css pixels. + * + * @method Html5#videoHeight + * @return {number} + * The value of `videoHeight` from the video element. This will be a number + * in css pixels. + * + * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth} + */ + 'videoHeight'].forEach(function (prop) { + Html5.prototype[prop] = function () { + return this.el_[prop]; + }; + }); + + // Wrap native properties with a setter in this format: + // set + toTitleCase(name) + // The list is as follows: + // setVolume, setSrc, setPoster, setPreload, setPlaybackRate, setDefaultPlaybackRate + [ + /** + * Set the value of `volume` on the media element. `volume` indicates the current + * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and + * so on. + * + * @method Html5#setVolume + * @param {number} percentAsDecimal + * The volume percent as a decimal. Valid range is from 0-1. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume} + */ + 'volume', + + /** + * Set the value of `src` on the media element. `src` indicates the current + * {@link Tech~SourceObject} for the media. + * + * @method Html5#setSrc + * @param {Tech~SourceObject} src + * The source object to set as the current source. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-src} + */ + 'src', + + /** + * Set the value of `poster` on the media element. `poster` is the url to + * an image file that can/will be shown when no media data is available. + * + * @method Html5#setPoster + * @param {string} poster + * The url to an image that should be used as the `poster` for the media + * element. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-poster} + */ + 'poster', + + /** + * Set the value of `preload` on the media element. `preload` indicates + * what should download before the media is interacted with. It can have the following + * values: + * - none: nothing should be downloaded + * - metadata: poster and the first few frames of the media may be downloaded to get + * media dimensions and other metadata + * - auto: allow the media and metadata for the media to be downloaded before + * interaction + * + * @method Html5#setPreload + * @param {string} preload + * The value of `preload` to set on the media element. Must be 'none', 'metadata', + * or 'auto'. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload} + */ + 'preload', + + /** + * Set the value of `playbackRate` on the media element. `playbackRate` indicates + * the rate at which the media should play back. Examples: + * - if playbackRate is set to 2, media will play twice as fast. + * - if playbackRate is set to 0.5, media will play half as fast. + * + * @method Html5#setPlaybackRate + * @return {number} + * The value of `playbackRate` from the media element. A number indicating + * the current playback speed of the media, where 1 is normal speed. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate} + */ + 'playbackRate', + + /** + * Set the value of `defaultPlaybackRate` on the media element. `defaultPlaybackRate` indicates + * the rate at which the media should play back upon initial startup. Changing this value + * after a video has started will do nothing. Instead you should used {@link Html5#setPlaybackRate}. + * + * Example Values: + * - if playbackRate is set to 2, media will play twice as fast. + * - if playbackRate is set to 0.5, media will play half as fast. + * + * @method Html5.prototype.setDefaultPlaybackRate + * @return {number} + * The value of `defaultPlaybackRate` from the media element. A number indicating + * the current playback speed of the media, where 1 is normal speed. + * + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultplaybackrate} + */ + 'defaultPlaybackRate'].forEach(function (prop) { + Html5.prototype['set' + toTitleCase(prop)] = function (v) { + this.el_[prop] = v; + }; + }); + + // wrap native functions with a function + // The list is as follows: + // pause, load, play + [ + /** + * A wrapper around the media elements `pause` function. This will call the `HTML5` + * media elements `pause` function. + * + * @method Html5#pause + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-pause} + */ + 'pause', + + /** + * A wrapper around the media elements `load` function. This will call the `HTML5`s + * media element `load` function. + * + * @method Html5#load + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-load} + */ + 'load', + + /** + * A wrapper around the media elements `play` function. This will call the `HTML5`s + * media element `play` function. + * + * @method Html5#play + * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-play} + */ + 'play'].forEach(function (prop) { + Html5.prototype[prop] = function () { + return this.el_[prop](); + }; + }); + + Tech.withSourceHandlers(Html5); + + /** + * Native source handler for Html5, simply passes the source to the media element. + * + * @property {Tech~SourceObject} source + * The source object + * + * @property {Html5} tech + * The instance of the HTML5 tech. + */ + Html5.nativeSourceHandler = {}; + + /** + * Check if the media element can play the given mime type. + * + * @param {string} type + * The mimetype to check + * + * @return {string} + * 'probably', 'maybe', or '' (empty string) + */ + Html5.nativeSourceHandler.canPlayType = function (type) { + // IE without MediaPlayer throws an error (#519) + try { + return Html5.TEST_VID.canPlayType(type); + } catch (e) { + return ''; + } + }; + + /** + * Check if the media element can handle a source natively. + * + * @param {Tech~SourceObject} source + * The source object + * + * @param {Object} [options] + * Options to be passed to the tech. + * + * @return {string} + * 'probably', 'maybe', or '' (empty string). + */ + Html5.nativeSourceHandler.canHandleSource = function (source, options) { + + // If a type was provided we should rely on that + if (source.type) { + return Html5.nativeSourceHandler.canPlayType(source.type); + + // If no type, fall back to checking 'video/[EXTENSION]' + } else if (source.src) { + var ext = getFileExtension(source.src); + + return Html5.nativeSourceHandler.canPlayType('video/' + ext); + } + + return ''; + }; + + /** + * Pass the source to the native media element. + * + * @param {Tech~SourceObject} source + * The source object + * + * @param {Html5} tech + * The instance of the Html5 tech + * + * @param {Object} [options] + * The options to pass to the source + */ + Html5.nativeSourceHandler.handleSource = function (source, tech, options) { + tech.setSrc(source.src); + }; + + /** + * A noop for the native dispose function, as cleanup is not needed. + */ + Html5.nativeSourceHandler.dispose = function () {}; + + // Register the native source handler + Html5.registerSourceHandler(Html5.nativeSourceHandler); + + Tech.registerTech('Html5', Html5); + + var _templateObject$2 = taggedTemplateLiteralLoose(['\n Using the tech directly can be dangerous. I hope you know what you\'re doing.\n See https://github.com/videojs/video.js/issues/2617 for more info.\n '], ['\n Using the tech directly can be dangerous. I hope you know what you\'re doing.\n See https://github.com/videojs/video.js/issues/2617 for more info.\n ']); + + // The following tech events are simply re-triggered + // on the player when they happen + var TECH_EVENTS_RETRIGGER = [ + /** + * Fired while the user agent is downloading media data. + * + * @event Player#progress + * @type {EventTarget~Event} + */ + /** + * Retrigger the `progress` event that was triggered by the {@link Tech}. + * + * @private + * @method Player#handleTechProgress_ + * @fires Player#progress + * @listens Tech#progress + */ + 'progress', + + /** + * Fires when the loading of an audio/video is aborted. + * + * @event Player#abort + * @type {EventTarget~Event} + */ + /** + * Retrigger the `abort` event that was triggered by the {@link Tech}. + * + * @private + * @method Player#handleTechAbort_ + * @fires Player#abort + * @listens Tech#abort + */ + 'abort', + + /** + * Fires when the browser is intentionally not getting media data. + * + * @event Player#suspend + * @type {EventTarget~Event} + */ + /** + * Retrigger the `suspend` event that was triggered by the {@link Tech}. + * + * @private + * @method Player#handleTechSuspend_ + * @fires Player#suspend + * @listens Tech#suspend + */ + 'suspend', + + /** + * Fires when the current playlist is empty. + * + * @event Player#emptied + * @type {EventTarget~Event} + */ + /** + * Retrigger the `emptied` event that was triggered by the {@link Tech}. + * + * @private + * @method Player#handleTechEmptied_ + * @fires Player#emptied + * @listens Tech#emptied + */ + 'emptied', + /** + * Fires when the browser is trying to get media data, but data is not available. + * + * @event Player#stalled + * @type {EventTarget~Event} + */ + /** + * Retrigger the `stalled` event that was triggered by the {@link Tech}. + * + * @private + * @method Player#handleTechStalled_ + * @fires Player#stalled + * @listens Tech#stalled + */ + 'stalled', + + /** + * Fires when the browser has loaded meta data for the audio/video. + * + * @event Player#loadedmetadata + * @type {EventTarget~Event} + */ + /** + * Retrigger the `stalled` event that was triggered by the {@link Tech}. + * + * @private + * @method Player#handleTechLoadedmetadata_ + * @fires Player#loadedmetadata + * @listens Tech#loadedmetadata + */ + 'loadedmetadata', + + /** + * Fires when the browser has loaded the current frame of the audio/video. + * + * @event Player#loadeddata + * @type {event} + */ + /** + * Retrigger the `loadeddata` event that was triggered by the {@link Tech}. + * + * @private + * @method Player#handleTechLoaddeddata_ + * @fires Player#loadeddata + * @listens Tech#loadeddata + */ + 'loadeddata', + + /** + * Fires when the current playback position has changed. + * + * @event Player#timeupdate + * @type {event} + */ + /** + * Retrigger the `timeupdate` event that was triggered by the {@link Tech}. + * + * @private + * @method Player#handleTechTimeUpdate_ + * @fires Player#timeupdate + * @listens Tech#timeupdate + */ + 'timeupdate', + + /** + * Fires when the video's intrinsic dimensions change + * + * @event Player#resize + * @type {event} + */ + /** + * Retrigger the `resize` event that was triggered by the {@link Tech}. + * + * @private + * @method Player#handleTechResize_ + * @fires Player#resize + * @listens Tech#resize + */ + 'resize', + + /** + * Fires when the volume has been changed + * + * @event Player#volumechange + * @type {event} + */ + /** + * Retrigger the `volumechange` event that was triggered by the {@link Tech}. + * + * @private + * @method Player#handleTechVolumechange_ + * @fires Player#volumechange + * @listens Tech#volumechange + */ + 'volumechange', + + /** + * Fires when the text track has been changed + * + * @event Player#texttrackchange + * @type {event} + */ + /** + * Retrigger the `texttrackchange` event that was triggered by the {@link Tech}. + * + * @private + * @method Player#handleTechTexttrackchange_ + * @fires Player#texttrackchange + * @listens Tech#texttrackchange + */ + 'texttrackchange']; + + // events to queue when playback rate is zero + // this is a hash for the sole purpose of mapping non-camel-cased event names + // to camel-cased function names + var TECH_EVENTS_QUEUE = { + canplay: 'CanPlay', + canplaythrough: 'CanPlayThrough', + playing: 'Playing', + seeked: 'Seeked' + }; + + /** + * An instance of the `Player` class is created when any of the Video.js setup methods + * are used to initialize a video. + * + * After an instance has been created it can be accessed globally in two ways: + * 1. By calling `videojs('example_video_1');` + * 2. By using it directly via `videojs.players.example_video_1;` + * + * @extends Component + */ + + var Player = function (_Component) { + inherits(Player, _Component); + + /** + * Create an instance of this class. + * + * @param {Element} tag + * The original video DOM element used for configuring options. + * + * @param {Object} [options] + * Object of option names and values. + * + * @param {Component~ReadyCallback} [ready] + * Ready callback function. + */ + function Player(tag, options, ready) { + classCallCheck(this, Player); + + // Make sure tag ID exists + tag.id = tag.id || options.id || 'vjs_video_' + newGUID(); + + // Set Options + // The options argument overrides options set in the video tag + // which overrides globally set options. + // This latter part coincides with the load order + // (tag must exist before Player) + options = assign(Player.getTagSettings(tag), options); + + // Delay the initialization of children because we need to set up + // player properties first, and can't use `this` before `super()` + options.initChildren = false; + + // Same with creating the element + options.createEl = false; + + // don't auto mixin the evented mixin + options.evented = false; + + // we don't want the player to report touch activity on itself + // see enableTouchActivity in Component + options.reportTouchActivity = false; + + // If language is not set, get the closest lang attribute + if (!options.language) { + if (typeof tag.closest === 'function') { + var closest = tag.closest('[lang]'); + + if (closest && closest.getAttribute) { + options.language = closest.getAttribute('lang'); + } + } else { + var element = tag; + + while (element && element.nodeType === 1) { + if (getAttributes(element).hasOwnProperty('lang')) { + options.language = element.getAttribute('lang'); + break; + } + element = element.parentNode; + } + } + } + + // Run base component initializing with new options + + // Tracks when a tech changes the poster + var _this = possibleConstructorReturn(this, _Component.call(this, null, options, ready)); + + _this.isPosterFromTech_ = false; + + // Holds callback info that gets queued when playback rate is zero + // and a seek is happening + _this.queuedCallbacks_ = []; + + // Turn off API access because we're loading a new tech that might load asynchronously + _this.isReady_ = false; + + // Init state hasStarted_ + _this.hasStarted_ = false; + + // Init state userActive_ + _this.userActive_ = false; + + // if the global option object was accidentally blown away by + // someone, bail early with an informative error + if (!_this.options_ || !_this.options_.techOrder || !_this.options_.techOrder.length) { + throw new Error('No techOrder specified. Did you overwrite ' + 'videojs.options instead of just changing the ' + 'properties you want to override?'); + } + + // Store the original tag used to set options + _this.tag = tag; + + // Store the tag attributes used to restore html5 element + _this.tagAttributes = tag && getAttributes(tag); + + // Update current language + _this.language(_this.options_.language); + + // Update Supported Languages + if (options.languages) { + // Normalise player option languages to lowercase + var languagesToLower = {}; + + Object.getOwnPropertyNames(options.languages).forEach(function (name$$1) { + languagesToLower[name$$1.toLowerCase()] = options.languages[name$$1]; + }); + _this.languages_ = languagesToLower; + } else { + _this.languages_ = Player.prototype.options_.languages; + } + + // Cache for video property values. + _this.cache_ = {}; + + // Set poster + _this.poster_ = options.poster || ''; + + // Set controls + _this.controls_ = !!options.controls; + + // Set default values for lastVolume + _this.cache_.lastVolume = 1; + + // Original tag settings stored in options + // now remove immediately so native controls don't flash. + // May be turned back on by HTML5 tech if nativeControlsForTouch is true + tag.controls = false; + tag.removeAttribute('controls'); + + // the attribute overrides the option + if (tag.hasAttribute('autoplay')) { + _this.options_.autoplay = true; + } else { + // otherwise use the setter to validate and + // set the correct value. + _this.autoplay(_this.options_.autoplay); + } + + /* + * Store the internal state of scrubbing + * + * @private + * @return {Boolean} True if the user is scrubbing + */ + _this.scrubbing_ = false; + + _this.el_ = _this.createEl(); + + // Set default value for lastPlaybackRate + _this.cache_.lastPlaybackRate = _this.defaultPlaybackRate(); + + // Make this an evented object and use `el_` as its event bus. + evented(_this, { eventBusKey: 'el_' }); + + // We also want to pass the original player options to each component and plugin + // as well so they don't need to reach back into the player for options later. + // We also need to do another copy of this.options_ so we don't end up with + // an infinite loop. + var playerOptionsCopy = mergeOptions(_this.options_); + + // Load plugins + if (options.plugins) { + var plugins = options.plugins; + + Object.keys(plugins).forEach(function (name$$1) { + if (typeof this[name$$1] === 'function') { + this[name$$1](plugins[name$$1]); + } else { + throw new Error('plugin "' + name$$1 + '" does not exist'); + } + }, _this); + } + + _this.options_.playerOptions = playerOptionsCopy; + + _this.middleware_ = []; + + _this.initChildren(); + + // Set isAudio based on whether or not an audio tag was used + _this.isAudio(tag.nodeName.toLowerCase() === 'audio'); + + // Update controls className. Can't do this when the controls are initially + // set because the element doesn't exist yet. + if (_this.controls()) { + _this.addClass('vjs-controls-enabled'); + } else { + _this.addClass('vjs-controls-disabled'); + } + + // Set ARIA label and region role depending on player type + _this.el_.setAttribute('role', 'region'); + if (_this.isAudio()) { + _this.el_.setAttribute('aria-label', _this.localize('Audio Player')); + } else { + _this.el_.setAttribute('aria-label', _this.localize('Video Player')); + } + + if (_this.isAudio()) { + _this.addClass('vjs-audio'); + } + + if (_this.flexNotSupported_()) { + _this.addClass('vjs-no-flex'); + } + + // TODO: Make this smarter. Toggle user state between touching/mousing + // using events, since devices can have both touch and mouse events. + // if (browser.TOUCH_ENABLED) { + // this.addClass('vjs-touch-enabled'); + // } + + // iOS Safari has broken hover handling + if (!IS_IOS) { + _this.addClass('vjs-workinghover'); + } + + // Make player easily findable by ID + Player.players[_this.id_] = _this; + + // Add a major version class to aid css in plugins + var majorVersion = version.split('.')[0]; + + _this.addClass('vjs-v' + majorVersion); + + // When the player is first initialized, trigger activity so components + // like the control bar show themselves if needed + _this.userActive(true); + _this.reportUserActivity(); + + _this.one('play', _this.listenForUserActivity_); + _this.on('fullscreenchange', _this.handleFullscreenChange_); + _this.on('stageclick', _this.handleStageClick_); + + _this.changingSrc_ = false; + _this.playWaitingForReady_ = false; + _this.playOnLoadstart_ = null; + return _this; + } + + /** + * Destroys the video player and does any necessary cleanup. + * + * This is especially helpful if you are dynamically adding and removing videos + * to/from the DOM. + * + * @fires Player#dispose + */ + + + Player.prototype.dispose = function dispose() { + /** + * Called when the player is being disposed of. + * + * @event Player#dispose + * @type {EventTarget~Event} + */ + this.trigger('dispose'); + // prevent dispose from being called twice + this.off('dispose'); + + if (this.styleEl_ && this.styleEl_.parentNode) { + this.styleEl_.parentNode.removeChild(this.styleEl_); + this.styleEl_ = null; + } + + // Kill reference to this player + Player.players[this.id_] = null; + + if (this.tag && this.tag.player) { + this.tag.player = null; + } + + if (this.el_ && this.el_.player) { + this.el_.player = null; + } + + if (this.tech_) { + this.tech_.dispose(); + this.isPosterFromTech_ = false; + this.poster_ = ''; + } + + if (this.playerElIngest_) { + this.playerElIngest_ = null; + } + + if (this.tag) { + this.tag = null; + } + + clearCacheForPlayer(this); + + // the actual .el_ is removed here + _Component.prototype.dispose.call(this); + }; + + /** + * Create the `Player`'s DOM element. + * + * @return {Element} + * The DOM element that gets created. + */ + + + Player.prototype.createEl = function createEl$$1() { + var tag = this.tag; + var el = void 0; + var playerElIngest = this.playerElIngest_ = tag.parentNode && tag.parentNode.hasAttribute && tag.parentNode.hasAttribute('data-vjs-player'); + var divEmbed = this.tag.tagName.toLowerCase() === 'video-js'; + + if (playerElIngest) { + el = this.el_ = tag.parentNode; + } else if (!divEmbed) { + el = this.el_ = _Component.prototype.createEl.call(this, 'div'); + } + + // Copy over all the attributes from the tag, including ID and class + // ID will now reference player box, not the video tag + var attrs = getAttributes(tag); + + if (divEmbed) { + el = this.el_ = tag; + tag = this.tag = document_1.createElement('video'); + while (el.children.length) { + tag.appendChild(el.firstChild); + } + + if (!hasClass(el, 'video-js')) { + addClass(el, 'video-js'); + } + + el.appendChild(tag); + + playerElIngest = this.playerElIngest_ = el; + // move properties over from our custom `video-js` element + // to our new `video` element. This will move things like + // `src` or `controls` that were set via js before the player + // was initialized. + Object.keys(el).forEach(function (k) { + tag[k] = el[k]; + }); + } + + // set tabindex to -1 to remove the video element from the focus order + tag.setAttribute('tabindex', '-1'); + attrs.tabindex = '-1'; + + // Workaround for #4583 (JAWS+IE doesn't announce BPB or play button) + // See https://github.com/FreedomScientific/VFO-standards-support/issues/78 + // Note that we can't detect if JAWS is being used, but this ARIA attribute + // doesn't change behavior of IE11 if JAWS is not being used + if (IE_VERSION) { + tag.setAttribute('role', 'application'); + attrs.role = 'application'; + } + + // Remove width/height attrs from tag so CSS can make it 100% width/height + tag.removeAttribute('width'); + tag.removeAttribute('height'); + + if ('width' in attrs) { + delete attrs.width; + } + if ('height' in attrs) { + delete attrs.height; + } + + Object.getOwnPropertyNames(attrs).forEach(function (attr) { + // don't copy over the class attribute to the player element when we're in a div embed + // the class is already set up properly in the divEmbed case + // and we want to make sure that the `video-js` class doesn't get lost + if (!(divEmbed && attr === 'class')) { + el.setAttribute(attr, attrs[attr]); + } + + if (divEmbed) { + tag.setAttribute(attr, attrs[attr]); + } + }); + + // Update tag id/class for use as HTML5 playback tech + // Might think we should do this after embedding in container so .vjs-tech class + // doesn't flash 100% width/height, but class only applies with .video-js parent + tag.playerId = tag.id; + tag.id += '_html5_api'; + tag.className = 'vjs-tech'; + + // Make player findable on elements + tag.player = el.player = this; + // Default state of video is paused + this.addClass('vjs-paused'); + + // Add a style element in the player that we'll use to set the width/height + // of the player in a way that's still overrideable by CSS, just like the + // video element + if (window_1.VIDEOJS_NO_DYNAMIC_STYLE !== true) { + this.styleEl_ = createStyleElement('vjs-styles-dimensions'); + var defaultsStyleEl = $('.vjs-styles-defaults'); + var head = $('head'); + + head.insertBefore(this.styleEl_, defaultsStyleEl ? defaultsStyleEl.nextSibling : head.firstChild); + } + + // Pass in the width/height/aspectRatio options which will update the style el + this.width(this.options_.width); + this.height(this.options_.height); + this.fluid(this.options_.fluid); + this.aspectRatio(this.options_.aspectRatio); + + // Hide any links within the video/audio tag, + // because IE doesn't hide them completely from screen readers. + var links = tag.getElementsByTagName('a'); + + for (var i = 0; i < links.length; i++) { + var linkEl = links.item(i); + + addClass(linkEl, 'vjs-hidden'); + linkEl.setAttribute('hidden', 'hidden'); + } + + // insertElFirst seems to cause the networkState to flicker from 3 to 2, so + // keep track of the original for later so we can know if the source originally failed + tag.initNetworkState_ = tag.networkState; + + // Wrap video tag in div (el/box) container + if (tag.parentNode && !playerElIngest) { + tag.parentNode.insertBefore(el, tag); + } + + // insert the tag as the first child of the player element + // then manually add it to the children array so that this.addChild + // will work properly for other components + // + // Breaks iPhone, fixed in HTML5 setup. + prependTo(tag, el); + this.children_.unshift(tag); + + // Set lang attr on player to ensure CSS :lang() in consistent with player + // if it's been set to something different to the doc + this.el_.setAttribute('lang', this.language_); + + this.el_ = el; + + return el; + }; + + /** + * A getter/setter for the `Player`'s width. Returns the player's configured value. + * To get the current width use `currentWidth()`. + * + * @param {number} [value] + * The value to set the `Player`'s width to. + * + * @return {number} + * The current width of the `Player` when getting. + */ + + + Player.prototype.width = function width(value) { + return this.dimension('width', value); + }; + + /** + * A getter/setter for the `Player`'s height. Returns the player's configured value. + * To get the current height use `currentheight()`. + * + * @param {number} [value] + * The value to set the `Player`'s heigth to. + * + * @return {number} + * The current height of the `Player` when getting. + */ + + + Player.prototype.height = function height(value) { + return this.dimension('height', value); + }; + + /** + * A getter/setter for the `Player`'s width & height. + * + * @param {string} dimension + * This string can be: + * - 'width' + * - 'height' + * + * @param {number} [value] + * Value for dimension specified in the first argument. + * + * @return {number} + * The dimension arguments value when getting (width/height). + */ + + + Player.prototype.dimension = function dimension(_dimension, value) { + var privDimension = _dimension + '_'; + + if (value === undefined) { + return this[privDimension] || 0; + } + + if (value === '') { + // If an empty string is given, reset the dimension to be automatic + this[privDimension] = undefined; + this.updateStyleEl_(); + return; + } + + var parsedVal = parseFloat(value); + + if (isNaN(parsedVal)) { + log$1.error('Improper value "' + value + '" supplied for for ' + _dimension); + return; + } + + this[privDimension] = parsedVal; + this.updateStyleEl_(); + }; + + /** + * A getter/setter/toggler for the vjs-fluid `className` on the `Player`. + * + * @param {boolean} [bool] + * - A value of true adds the class. + * - A value of false removes the class. + * - No value will toggle the fluid class. + * + * @return {boolean|undefined} + * - The value of fluid when getting. + * - `undefined` when setting. + */ + + + Player.prototype.fluid = function fluid(bool) { + if (bool === undefined) { + return !!this.fluid_; + } + + this.fluid_ = !!bool; + + if (bool) { + this.addClass('vjs-fluid'); + } else { + this.removeClass('vjs-fluid'); + } + + this.updateStyleEl_(); + }; + + /** + * Get/Set the aspect ratio + * + * @param {string} [ratio] + * Aspect ratio for player + * + * @return {string|undefined} + * returns the current aspect ratio when getting + */ + + /** + * A getter/setter for the `Player`'s aspect ratio. + * + * @param {string} [ratio] + * The value to set the `Player's aspect ratio to. + * + * @return {string|undefined} + * - The current aspect ratio of the `Player` when getting. + * - undefined when setting + */ + + + Player.prototype.aspectRatio = function aspectRatio(ratio) { + if (ratio === undefined) { + return this.aspectRatio_; + } + + // Check for width:height format + if (!/^\d+\:\d+$/.test(ratio)) { + throw new Error('Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.'); + } + this.aspectRatio_ = ratio; + + // We're assuming if you set an aspect ratio you want fluid mode, + // because in fixed mode you could calculate width and height yourself. + this.fluid(true); + + this.updateStyleEl_(); + }; + + /** + * Update styles of the `Player` element (height, width and aspect ratio). + * + * @private + * @listens Tech#loadedmetadata + */ + + + Player.prototype.updateStyleEl_ = function updateStyleEl_() { + if (window_1.VIDEOJS_NO_DYNAMIC_STYLE === true) { + var _width = typeof this.width_ === 'number' ? this.width_ : this.options_.width; + var _height = typeof this.height_ === 'number' ? this.height_ : this.options_.height; + var techEl = this.tech_ && this.tech_.el(); + + if (techEl) { + if (_width >= 0) { + techEl.width = _width; + } + if (_height >= 0) { + techEl.height = _height; + } + } + + return; + } + + var width = void 0; + var height = void 0; + var aspectRatio = void 0; + var idClass = void 0; + + // The aspect ratio is either used directly or to calculate width and height. + if (this.aspectRatio_ !== undefined && this.aspectRatio_ !== 'auto') { + // Use any aspectRatio that's been specifically set + aspectRatio = this.aspectRatio_; + } else if (this.videoWidth() > 0) { + // Otherwise try to get the aspect ratio from the video metadata + aspectRatio = this.videoWidth() + ':' + this.videoHeight(); + } else { + // Or use a default. The video element's is 2:1, but 16:9 is more common. + aspectRatio = '16:9'; + } + + // Get the ratio as a decimal we can use to calculate dimensions + var ratioParts = aspectRatio.split(':'); + var ratioMultiplier = ratioParts[1] / ratioParts[0]; + + if (this.width_ !== undefined) { + // Use any width that's been specifically set + width = this.width_; + } else if (this.height_ !== undefined) { + // Or calulate the width from the aspect ratio if a height has been set + width = this.height_ / ratioMultiplier; + } else { + // Or use the video's metadata, or use the video el's default of 300 + width = this.videoWidth() || 300; + } + + if (this.height_ !== undefined) { + // Use any height that's been specifically set + height = this.height_; + } else { + // Otherwise calculate the height from the ratio and the width + height = width * ratioMultiplier; + } + + // Ensure the CSS class is valid by starting with an alpha character + if (/^[^a-zA-Z]/.test(this.id())) { + idClass = 'dimensions-' + this.id(); + } else { + idClass = this.id() + '-dimensions'; + } + + // Ensure the right class is still on the player for the style element + this.addClass(idClass); + + setTextContent(this.styleEl_, '\n .' + idClass + ' {\n width: ' + width + 'px;\n height: ' + height + 'px;\n }\n\n .' + idClass + '.vjs-fluid {\n padding-top: ' + ratioMultiplier * 100 + '%;\n }\n '); + }; + + /** + * Load/Create an instance of playback {@link Tech} including element + * and API methods. Then append the `Tech` element in `Player` as a child. + * + * @param {string} techName + * name of the playback technology + * + * @param {string} source + * video source + * + * @private + */ + + + Player.prototype.loadTech_ = function loadTech_(techName, source) { + var _this2 = this; + + // Pause and remove current playback technology + if (this.tech_) { + this.unloadTech_(); + } + + var titleTechName = toTitleCase(techName); + var camelTechName = techName.charAt(0).toLowerCase() + techName.slice(1); + + // get rid of the HTML5 video tag as soon as we are using another tech + if (titleTechName !== 'Html5' && this.tag) { + Tech.getTech('Html5').disposeMediaElement(this.tag); + this.tag.player = null; + this.tag = null; + } + + this.techName_ = titleTechName; + + // Turn off API access because we're loading a new tech that might load asynchronously + this.isReady_ = false; + + // if autoplay is a string we pass false to the tech + // because the player is going to handle autoplay on `loadstart` + var autoplay = typeof this.autoplay() === 'string' ? false : this.autoplay(); + + // Grab tech-specific options from player options and add source and parent element to use. + var techOptions = { + source: source, + autoplay: autoplay, + 'nativeControlsForTouch': this.options_.nativeControlsForTouch, + 'playerId': this.id(), + 'techId': this.id() + '_' + camelTechName + '_api', + 'playsinline': this.options_.playsinline, + 'preload': this.options_.preload, + 'loop': this.options_.loop, + 'muted': this.options_.muted, + 'poster': this.poster(), + 'language': this.language(), + 'playerElIngest': this.playerElIngest_ || false, + 'vtt.js': this.options_['vtt.js'], + 'canOverridePoster': !!this.options_.techCanOverridePoster, + 'enableSourceset': this.options_.enableSourceset + }; + + ALL.names.forEach(function (name$$1) { + var props = ALL[name$$1]; + + techOptions[props.getterName] = _this2[props.privateName]; + }); + + assign(techOptions, this.options_[titleTechName]); + assign(techOptions, this.options_[camelTechName]); + assign(techOptions, this.options_[techName.toLowerCase()]); + + if (this.tag) { + techOptions.tag = this.tag; + } + + if (source && source.src === this.cache_.src && this.cache_.currentTime > 0) { + techOptions.startTime = this.cache_.currentTime; + } + + // Initialize tech instance + var TechClass = Tech.getTech(techName); + + if (!TechClass) { + throw new Error('No Tech named \'' + titleTechName + '\' exists! \'' + titleTechName + '\' should be registered using videojs.registerTech()\''); + } + + this.tech_ = new TechClass(techOptions); + + // player.triggerReady is always async, so don't need this to be async + this.tech_.ready(bind(this, this.handleTechReady_), true); + + textTrackConverter.jsonToTextTracks(this.textTracksJson_ || [], this.tech_); + + // Listen to all HTML5-defined events and trigger them on the player + TECH_EVENTS_RETRIGGER.forEach(function (event) { + _this2.on(_this2.tech_, event, _this2['handleTech' + toTitleCase(event) + '_']); + }); + + Object.keys(TECH_EVENTS_QUEUE).forEach(function (event) { + _this2.on(_this2.tech_, event, function (eventObj) { + if (_this2.tech_.playbackRate() === 0 && _this2.tech_.seeking()) { + _this2.queuedCallbacks_.push({ + callback: _this2['handleTech' + TECH_EVENTS_QUEUE[event] + '_'].bind(_this2), + event: eventObj + }); + return; + } + _this2['handleTech' + TECH_EVENTS_QUEUE[event] + '_'](eventObj); + }); + }); + + this.on(this.tech_, 'loadstart', this.handleTechLoadStart_); + this.on(this.tech_, 'sourceset', this.handleTechSourceset_); + this.on(this.tech_, 'waiting', this.handleTechWaiting_); + this.on(this.tech_, 'ended', this.handleTechEnded_); + this.on(this.tech_, 'seeking', this.handleTechSeeking_); + this.on(this.tech_, 'play', this.handleTechPlay_); + this.on(this.tech_, 'firstplay', this.handleTechFirstPlay_); + this.on(this.tech_, 'pause', this.handleTechPause_); + this.on(this.tech_, 'durationchange', this.handleTechDurationChange_); + this.on(this.tech_, 'fullscreenchange', this.handleTechFullscreenChange_); + this.on(this.tech_, 'error', this.handleTechError_); + this.on(this.tech_, 'loadedmetadata', this.updateStyleEl_); + this.on(this.tech_, 'posterchange', this.handleTechPosterChange_); + this.on(this.tech_, 'textdata', this.handleTechTextData_); + this.on(this.tech_, 'ratechange', this.handleTechRateChange_); + + this.usingNativeControls(this.techGet_('controls')); + + if (this.controls() && !this.usingNativeControls()) { + this.addTechControlsListeners_(); + } + + // Add the tech element in the DOM if it was not already there + // Make sure to not insert the original video element if using Html5 + if (this.tech_.el().parentNode !== this.el() && (titleTechName !== 'Html5' || !this.tag)) { + prependTo(this.tech_.el(), this.el()); + } + + // Get rid of the original video tag reference after the first tech is loaded + if (this.tag) { + this.tag.player = null; + this.tag = null; + } + }; + + /** + * Unload and dispose of the current playback {@link Tech}. + * + * @private + */ + + + Player.prototype.unloadTech_ = function unloadTech_() { + var _this3 = this; + + // Save the current text tracks so that we can reuse the same text tracks with the next tech + ALL.names.forEach(function (name$$1) { + var props = ALL[name$$1]; + + _this3[props.privateName] = _this3[props.getterName](); + }); + this.textTracksJson_ = textTrackConverter.textTracksToJson(this.tech_); + + this.isReady_ = false; + + this.tech_.dispose(); + + this.tech_ = false; + + if (this.isPosterFromTech_) { + this.poster_ = ''; + this.trigger('posterchange'); + } + + this.isPosterFromTech_ = false; + }; + + /** + * Return a reference to the current {@link Tech}. + * It will print a warning by default about the danger of using the tech directly + * but any argument that is passed in will silence the warning. + * + * @param {*} [safety] + * Anything passed in to silence the warning + * + * @return {Tech} + * The Tech + */ + + + Player.prototype.tech = function tech(safety) { + if (safety === undefined) { + log$1.warn(tsml(_templateObject$2)); + } + + return this.tech_; + }; + + /** + * Set up click and touch listeners for the playback element + * + * - On desktops: a click on the video itself will toggle playback + * - On mobile devices: a click on the video toggles controls + * which is done by toggling the user state between active and + * inactive + * - A tap can signal that a user has become active or has become inactive + * e.g. a quick tap on an iPhone movie should reveal the controls. Another + * quick tap should hide them again (signaling the user is in an inactive + * viewing state) + * - In addition to this, we still want the user to be considered inactive after + * a few seconds of inactivity. + * + * > Note: the only part of iOS interaction we can't mimic with this setup + * is a touch and hold on the video element counting as activity in order to + * keep the controls showing, but that shouldn't be an issue. A touch and hold + * on any controls will still keep the user active + * + * @private + */ + + + Player.prototype.addTechControlsListeners_ = function addTechControlsListeners_() { + // Make sure to remove all the previous listeners in case we are called multiple times. + this.removeTechControlsListeners_(); + + // Some browsers (Chrome & IE) don't trigger a click on a flash swf, but do + // trigger mousedown/up. + // http://stackoverflow.com/questions/1444562/javascript-onclick-event-over-flash-object + // Any touch events are set to block the mousedown event from happening + this.on(this.tech_, 'mousedown', this.handleTechClick_); + this.on(this.tech_, 'dblclick', this.handleTechDoubleClick_); + + // If the controls were hidden we don't want that to change without a tap event + // so we'll check if the controls were already showing before reporting user + // activity + this.on(this.tech_, 'touchstart', this.handleTechTouchStart_); + this.on(this.tech_, 'touchmove', this.handleTechTouchMove_); + this.on(this.tech_, 'touchend', this.handleTechTouchEnd_); + + // The tap listener needs to come after the touchend listener because the tap + // listener cancels out any reportedUserActivity when setting userActive(false) + this.on(this.tech_, 'tap', this.handleTechTap_); + }; + + /** + * Remove the listeners used for click and tap controls. This is needed for + * toggling to controls disabled, where a tap/touch should do nothing. + * + * @private + */ + + + Player.prototype.removeTechControlsListeners_ = function removeTechControlsListeners_() { + // We don't want to just use `this.off()` because there might be other needed + // listeners added by techs that extend this. + this.off(this.tech_, 'tap', this.handleTechTap_); + this.off(this.tech_, 'touchstart', this.handleTechTouchStart_); + this.off(this.tech_, 'touchmove', this.handleTechTouchMove_); + this.off(this.tech_, 'touchend', this.handleTechTouchEnd_); + this.off(this.tech_, 'mousedown', this.handleTechClick_); + this.off(this.tech_, 'dblclick', this.handleTechDoubleClick_); + }; + + /** + * Player waits for the tech to be ready + * + * @private + */ + + + Player.prototype.handleTechReady_ = function handleTechReady_() { + this.triggerReady(); + + // Keep the same volume as before + if (this.cache_.volume) { + this.techCall_('setVolume', this.cache_.volume); + } + + // Look if the tech found a higher resolution poster while loading + this.handleTechPosterChange_(); + + // Update the duration if available + this.handleTechDurationChange_(); + }; + + /** + * Retrigger the `loadstart` event that was triggered by the {@link Tech}. This + * function will also trigger {@link Player#firstplay} if it is the first loadstart + * for a video. + * + * @fires Player#loadstart + * @fires Player#firstplay + * @listens Tech#loadstart + * @private + */ + + + Player.prototype.handleTechLoadStart_ = function handleTechLoadStart_() { + // TODO: Update to use `emptied` event instead. See #1277. + + this.removeClass('vjs-ended'); + this.removeClass('vjs-seeking'); + + // reset the error state + this.error(null); + + // If it's already playing we want to trigger a firstplay event now. + // The firstplay event relies on both the play and loadstart events + // which can happen in any order for a new source + if (!this.paused()) { + /** + * Fired when the user agent begins looking for media data + * + * @event Player#loadstart + * @type {EventTarget~Event} + */ + this.trigger('loadstart'); + this.trigger('firstplay'); + } else { + // reset the hasStarted state + this.hasStarted(false); + this.trigger('loadstart'); + } + + // autoplay happens after loadstart for the browser, + // so we mimic that behavior + this.manualAutoplay_(this.autoplay()); + }; + + /** + * Handle autoplay string values, rather than the typical boolean + * values that should be handled by the tech. Note that this is not + * part of any specification. Valid values and what they do can be + * found on the autoplay getter at Player#autoplay() + */ + + + Player.prototype.manualAutoplay_ = function manualAutoplay_(type) { + var _this4 = this; + + if (!this.tech_ || typeof type !== 'string') { + return; + } + + var muted = function muted() { + var previouslyMuted = _this4.muted(); + + _this4.muted(true); + + var playPromise = _this4.play(); + + if (!playPromise || !playPromise.then || !playPromise.catch) { + return; + } + + return playPromise.catch(function (e) { + // restore old value of muted on failure + _this4.muted(previouslyMuted); + }); + }; + + var promise = void 0; + + if (type === 'any') { + promise = this.play(); + + if (promise && promise.then && promise.catch) { + promise.catch(function () { + return muted(); + }); + } + } else if (type === 'muted') { + promise = muted(); + } else { + promise = this.play(); + } + + if (!promise || !promise.then || !promise.catch) { + return; + } + + return promise.then(function () { + _this4.trigger({ type: 'autoplay-success', autoplay: type }); + }).catch(function (e) { + _this4.trigger({ type: 'autoplay-failure', autoplay: type }); + }); + }; + + /** + * Update the internal source caches so that we return the correct source from + * `src()`, `currentSource()`, and `currentSources()`. + * + * > Note: `currentSources` will not be updated if the source that is passed in exists + * in the current `currentSources` cache. + * + * + * @param {Tech~SourceObject} srcObj + * A string or object source to update our caches to. + */ + + + Player.prototype.updateSourceCaches_ = function updateSourceCaches_() { + var srcObj = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ''; + + + var src = srcObj; + var type = ''; + + if (typeof src !== 'string') { + src = srcObj.src; + type = srcObj.type; + } + + // if we are a blob url, don't update the source cache + // blob urls can arise when playback is done via Media Source Extension (MSE) + // such as m3u8 sources with @videojs/http-streaming (VHS) + if (/^blob:/.test(src)) { + return; + } + + // make sure all the caches are set to default values + // to prevent null checking + this.cache_.source = this.cache_.source || {}; + this.cache_.sources = this.cache_.sources || []; + + // try to get the type of the src that was passed in + if (src && !type) { + type = findMimetype(this, src); + } + + // update `currentSource` cache always + this.cache_.source = mergeOptions({}, srcObj, { src: src, type: type }); + + var matchingSources = this.cache_.sources.filter(function (s) { + return s.src && s.src === src; + }); + var sourceElSources = []; + var sourceEls = this.$$('source'); + var matchingSourceEls = []; + + for (var i = 0; i < sourceEls.length; i++) { + var sourceObj = getAttributes(sourceEls[i]); + + sourceElSources.push(sourceObj); + + if (sourceObj.src && sourceObj.src === src) { + matchingSourceEls.push(sourceObj.src); + } + } + + // if we have matching source els but not matching sources + // the current source cache is not up to date + if (matchingSourceEls.length && !matchingSources.length) { + this.cache_.sources = sourceElSources; + // if we don't have matching source or source els set the + // sources cache to the `currentSource` cache + } else if (!matchingSources.length) { + this.cache_.sources = [this.cache_.source]; + } + + // update the tech `src` cache + this.cache_.src = src; + }; + + /** + * *EXPERIMENTAL* Fired when the source is set or changed on the {@link Tech} + * causing the media element to reload. + * + * It will fire for the initial source and each subsequent source. + * This event is a custom event from Video.js and is triggered by the {@link Tech}. + * + * The event object for this event contains a `src` property that will contain the source + * that was available when the event was triggered. This is generally only necessary if Video.js + * is switching techs while the source was being changed. + * + * It is also fired when `load` is called on the player (or media element) + * because the {@link https://html.spec.whatwg.org/multipage/media.html#dom-media-load|specification for `load`} + * says that the resource selection algorithm needs to be aborted and restarted. + * In this case, it is very likely that the `src` property will be set to the + * empty string `""` to indicate we do not know what the source will be but + * that it is changing. + * + * *This event is currently still experimental and may change in minor releases.* + * __To use this, pass `enableSourceset` option to the player.__ + * + * @event Player#sourceset + * @type {EventTarget~Event} + * @prop {string} src + * The source url available when the `sourceset` was triggered. + * It will be an empty string if we cannot know what the source is + * but know that the source will change. + */ + /** + * Retrigger the `sourceset` event that was triggered by the {@link Tech}. + * + * @fires Player#sourceset + * @listens Tech#sourceset + * @private + */ + + + Player.prototype.handleTechSourceset_ = function handleTechSourceset_(event) { + var _this5 = this; + + // only update the source cache when the source + // was not updated using the player api + if (!this.changingSrc_) { + // update the source to the intial source right away + // in some cases this will be empty string + this.updateSourceCaches_(event.src); + + // if the `sourceset` `src` was an empty string + // wait for a `loadstart` to update the cache to `currentSrc`. + // If a sourceset happens before a `loadstart`, we reset the state + // as this function will be called again. + if (!event.src) { + var updateCache = function updateCache(e) { + if (e.type !== 'sourceset') { + _this5.updateSourceCaches_(_this5.techGet_('currentSrc')); + } + + _this5.tech_.off(['sourceset', 'loadstart'], updateCache); + }; + + this.tech_.one(['sourceset', 'loadstart'], updateCache); + } + } + + this.trigger({ + src: event.src, + type: 'sourceset' + }); + }; + + /** + * Add/remove the vjs-has-started class + * + * @fires Player#firstplay + * + * @param {boolean} request + * - true: adds the class + * - false: remove the class + * + * @return {boolean} + * the boolean value of hasStarted_ + */ + + + Player.prototype.hasStarted = function hasStarted(request) { + if (request === undefined) { + // act as getter, if we have no request to change + return this.hasStarted_; + } + + if (request === this.hasStarted_) { + return; + } + + this.hasStarted_ = request; + + if (this.hasStarted_) { + this.addClass('vjs-has-started'); + this.trigger('firstplay'); + } else { + this.removeClass('vjs-has-started'); + } + }; + + /** + * Fired whenever the media begins or resumes playback + * + * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-play} + * @fires Player#play + * @listens Tech#play + * @private + */ + + + Player.prototype.handleTechPlay_ = function handleTechPlay_() { + this.removeClass('vjs-ended'); + this.removeClass('vjs-paused'); + this.addClass('vjs-playing'); + + // hide the poster when the user hits play + this.hasStarted(true); + /** + * Triggered whenever an {@link Tech#play} event happens. Indicates that + * playback has started or resumed. + * + * @event Player#play + * @type {EventTarget~Event} + */ + this.trigger('play'); + }; + + /** + * Retrigger the `ratechange` event that was triggered by the {@link Tech}. + * + * If there were any events queued while the playback rate was zero, fire + * those events now. + * + * @private + * @method Player#handleTechRateChange_ + * @fires Player#ratechange + * @listens Tech#ratechange + */ + + + Player.prototype.handleTechRateChange_ = function handleTechRateChange_() { + if (this.tech_.playbackRate() > 0 && this.cache_.lastPlaybackRate === 0) { + this.queuedCallbacks_.forEach(function (queued) { + return queued.callback(queued.event); + }); + this.queuedCallbacks_ = []; + } + this.cache_.lastPlaybackRate = this.tech_.playbackRate(); + /** + * Fires when the playing speed of the audio/video is changed + * + * @event Player#ratechange + * @type {event} + */ + this.trigger('ratechange'); + }; + + /** + * Retrigger the `waiting` event that was triggered by the {@link Tech}. + * + * @fires Player#waiting + * @listens Tech#waiting + * @private + */ + + + Player.prototype.handleTechWaiting_ = function handleTechWaiting_() { + var _this6 = this; + + this.addClass('vjs-waiting'); + /** + * A readyState change on the DOM element has caused playback to stop. + * + * @event Player#waiting + * @type {EventTarget~Event} + */ + this.trigger('waiting'); + this.one('timeupdate', function () { + return _this6.removeClass('vjs-waiting'); + }); + }; + + /** + * Retrigger the `canplay` event that was triggered by the {@link Tech}. + * > Note: This is not consistent between browsers. See #1351 + * + * @fires Player#canplay + * @listens Tech#canplay + * @private + */ + + + Player.prototype.handleTechCanPlay_ = function handleTechCanPlay_() { + this.removeClass('vjs-waiting'); + /** + * The media has a readyState of HAVE_FUTURE_DATA or greater. + * + * @event Player#canplay + * @type {EventTarget~Event} + */ + this.trigger('canplay'); + }; + + /** + * Retrigger the `canplaythrough` event that was triggered by the {@link Tech}. + * + * @fires Player#canplaythrough + * @listens Tech#canplaythrough + * @private + */ + + + Player.prototype.handleTechCanPlayThrough_ = function handleTechCanPlayThrough_() { + this.removeClass('vjs-waiting'); + /** + * The media has a readyState of HAVE_ENOUGH_DATA or greater. This means that the + * entire media file can be played without buffering. + * + * @event Player#canplaythrough + * @type {EventTarget~Event} + */ + this.trigger('canplaythrough'); + }; + + /** + * Retrigger the `playing` event that was triggered by the {@link Tech}. + * + * @fires Player#playing + * @listens Tech#playing + * @private + */ + + + Player.prototype.handleTechPlaying_ = function handleTechPlaying_() { + this.removeClass('vjs-waiting'); + /** + * The media is no longer blocked from playback, and has started playing. + * + * @event Player#playing + * @type {EventTarget~Event} + */ + this.trigger('playing'); + }; + + /** + * Retrigger the `seeking` event that was triggered by the {@link Tech}. + * + * @fires Player#seeking + * @listens Tech#seeking + * @private + */ + + + Player.prototype.handleTechSeeking_ = function handleTechSeeking_() { + this.addClass('vjs-seeking'); + /** + * Fired whenever the player is jumping to a new time + * + * @event Player#seeking + * @type {EventTarget~Event} + */ + this.trigger('seeking'); + }; + + /** + * Retrigger the `seeked` event that was triggered by the {@link Tech}. + * + * @fires Player#seeked + * @listens Tech#seeked + * @private + */ + + + Player.prototype.handleTechSeeked_ = function handleTechSeeked_() { + this.removeClass('vjs-seeking'); + /** + * Fired when the player has finished jumping to a new time + * + * @event Player#seeked + * @type {EventTarget~Event} + */ + this.trigger('seeked'); + }; + + /** + * Retrigger the `firstplay` event that was triggered by the {@link Tech}. + * + * @fires Player#firstplay + * @listens Tech#firstplay + * @deprecated As of 6.0 firstplay event is deprecated. + * As of 6.0 passing the `starttime` option to the player and the firstplay event are deprecated. + * @private + */ + + + Player.prototype.handleTechFirstPlay_ = function handleTechFirstPlay_() { + // If the first starttime attribute is specified + // then we will start at the given offset in seconds + if (this.options_.starttime) { + log$1.warn('Passing the `starttime` option to the player will be deprecated in 6.0'); + this.currentTime(this.options_.starttime); + } + + this.addClass('vjs-has-started'); + /** + * Fired the first time a video is played. Not part of the HLS spec, and this is + * probably not the best implementation yet, so use sparingly. If you don't have a + * reason to prevent playback, use `myPlayer.one('play');` instead. + * + * @event Player#firstplay + * @deprecated As of 6.0 firstplay event is deprecated. + * @type {EventTarget~Event} + */ + this.trigger('firstplay'); + }; + + /** + * Retrigger the `pause` event that was triggered by the {@link Tech}. + * + * @fires Player#pause + * @listens Tech#pause + * @private + */ + + + Player.prototype.handleTechPause_ = function handleTechPause_() { + this.removeClass('vjs-playing'); + this.addClass('vjs-paused'); + /** + * Fired whenever the media has been paused + * + * @event Player#pause + * @type {EventTarget~Event} + */ + this.trigger('pause'); + }; + + /** + * Retrigger the `ended` event that was triggered by the {@link Tech}. + * + * @fires Player#ended + * @listens Tech#ended + * @private + */ + + + Player.prototype.handleTechEnded_ = function handleTechEnded_() { + this.addClass('vjs-ended'); + if (this.options_.loop) { + this.currentTime(0); + this.play(); + } else if (!this.paused()) { + this.pause(); + } + + /** + * Fired when the end of the media resource is reached (currentTime == duration) + * + * @event Player#ended + * @type {EventTarget~Event} + */ + this.trigger('ended'); + }; + + /** + * Fired when the duration of the media resource is first known or changed + * + * @listens Tech#durationchange + * @private + */ + + + Player.prototype.handleTechDurationChange_ = function handleTechDurationChange_() { + this.duration(this.techGet_('duration')); + }; + + /** + * Handle a click on the media element to play/pause + * + * @param {EventTarget~Event} event + * the event that caused this function to trigger + * + * @listens Tech#mousedown + * @private + */ + + + Player.prototype.handleTechClick_ = function handleTechClick_(event) { + if (!isSingleLeftClick(event)) { + return; + } + + // When controls are disabled a click should not toggle playback because + // the click is considered a control + if (!this.controls_) { + return; + } + + if (this.paused()) { + silencePromise(this.play()); + } else { + this.pause(); + } + }; + + /** + * Handle a double-click on the media element to enter/exit fullscreen + * + * @param {EventTarget~Event} event + * the event that caused this function to trigger + * + * @listens Tech#dblclick + * @private + */ + + + Player.prototype.handleTechDoubleClick_ = function handleTechDoubleClick_(event) { + if (!this.controls_) { + return; + } + + // we do not want to toggle fullscreen state + // when double-clicking inside a control bar or a modal + var inAllowedEls = Array.prototype.some.call(this.$$('.vjs-control-bar, .vjs-modal-dialog'), function (el) { + return el.contains(event.target); + }); + + if (!inAllowedEls) { + if (this.isFullscreen()) { + this.exitFullscreen(); + } else { + this.requestFullscreen(); + } + } + }; + + /** + * Handle a tap on the media element. It will toggle the user + * activity state, which hides and shows the controls. + * + * @listens Tech#tap + * @private + */ + + + Player.prototype.handleTechTap_ = function handleTechTap_() { + this.userActive(!this.userActive()); + }; + + /** + * Handle touch to start + * + * @listens Tech#touchstart + * @private + */ + + + Player.prototype.handleTechTouchStart_ = function handleTechTouchStart_() { + this.userWasActive = this.userActive(); + }; + + /** + * Handle touch to move + * + * @listens Tech#touchmove + * @private + */ + + + Player.prototype.handleTechTouchMove_ = function handleTechTouchMove_() { + if (this.userWasActive) { + this.reportUserActivity(); + } + }; + + /** + * Handle touch to end + * + * @param {EventTarget~Event} event + * the touchend event that triggered + * this function + * + * @listens Tech#touchend + * @private + */ + + + Player.prototype.handleTechTouchEnd_ = function handleTechTouchEnd_(event) { + // Stop the mouse events from also happening + event.preventDefault(); + }; + + /** + * Fired when the player switches in or out of fullscreen mode + * + * @private + * @listens Player#fullscreenchange + */ + + + Player.prototype.handleFullscreenChange_ = function handleFullscreenChange_() { + if (this.isFullscreen()) { + this.addClass('vjs-fullscreen'); + } else { + this.removeClass('vjs-fullscreen'); + } + }; + + /** + * native click events on the SWF aren't triggered on IE11, Win8.1RT + * use stageclick events triggered from inside the SWF instead + * + * @private + * @listens stageclick + */ + + + Player.prototype.handleStageClick_ = function handleStageClick_() { + this.reportUserActivity(); + }; + + /** + * Handle Tech Fullscreen Change + * + * @param {EventTarget~Event} event + * the fullscreenchange event that triggered this function + * + * @param {Object} data + * the data that was sent with the event + * + * @private + * @listens Tech#fullscreenchange + * @fires Player#fullscreenchange + */ + + + Player.prototype.handleTechFullscreenChange_ = function handleTechFullscreenChange_(event, data) { + if (data) { + this.isFullscreen(data.isFullscreen); + } + /** + * Fired when going in and out of fullscreen. + * + * @event Player#fullscreenchange + * @type {EventTarget~Event} + */ + this.trigger('fullscreenchange'); + }; + + /** + * Fires when an error occurred during the loading of an audio/video. + * + * @private + * @listens Tech#error + */ + + + Player.prototype.handleTechError_ = function handleTechError_() { + var error = this.tech_.error(); + + this.error(error); + }; + + /** + * Retrigger the `textdata` event that was triggered by the {@link Tech}. + * + * @fires Player#textdata + * @listens Tech#textdata + * @private + */ + + + Player.prototype.handleTechTextData_ = function handleTechTextData_() { + var data = null; + + if (arguments.length > 1) { + data = arguments[1]; + } + + /** + * Fires when we get a textdata event from tech + * + * @event Player#textdata + * @type {EventTarget~Event} + */ + this.trigger('textdata', data); + }; + + /** + * Get object for cached values. + * + * @return {Object} + * get the current object cache + */ + + + Player.prototype.getCache = function getCache() { + return this.cache_; + }; + + /** + * Pass values to the playback tech + * + * @param {string} [method] + * the method to call + * + * @param {Object} arg + * the argument to pass + * + * @private + */ + + + Player.prototype.techCall_ = function techCall_(method, arg) { + // If it's not ready yet, call method when it is + + this.ready(function () { + if (method in allowedSetters) { + return set$1(this.middleware_, this.tech_, method, arg); + } else if (method in allowedMediators) { + return mediate(this.middleware_, this.tech_, method, arg); + } + + try { + if (this.tech_) { + this.tech_[method](arg); + } + } catch (e) { + log$1(e); + throw e; + } + }, true); + }; + + /** + * Get calls can't wait for the tech, and sometimes don't need to. + * + * @param {string} method + * Tech method + * + * @return {Function|undefined} + * the method or undefined + * + * @private + */ + + + Player.prototype.techGet_ = function techGet_(method) { + if (!this.tech_ || !this.tech_.isReady_) { + return; + } + + if (method in allowedGetters) { + return get$1(this.middleware_, this.tech_, method); + } else if (method in allowedMediators) { + return mediate(this.middleware_, this.tech_, method); + } + + // Flash likes to die and reload when you hide or reposition it. + // In these cases the object methods go away and we get errors. + // When that happens we'll catch the errors and inform tech that it's not ready any more. + try { + return this.tech_[method](); + } catch (e) { + + // When building additional tech libs, an expected method may not be defined yet + if (this.tech_[method] === undefined) { + log$1('Video.js: ' + method + ' method not defined for ' + this.techName_ + ' playback technology.', e); + throw e; + } + + // When a method isn't available on the object it throws a TypeError + if (e.name === 'TypeError') { + log$1('Video.js: ' + method + ' unavailable on ' + this.techName_ + ' playback technology element.', e); + this.tech_.isReady_ = false; + throw e; + } + + // If error unknown, just log and throw + log$1(e); + throw e; + } + }; + + /** + * Attempt to begin playback at the first opportunity. + * + * @return {Promise|undefined} + * Returns a promise if the browser supports Promises (or one + * was passed in as an option). This promise will be resolved on + * the return value of play. If this is undefined it will fulfill the + * promise chain otherwise the promise chain will be fulfilled when + * the promise from play is fulfilled. + */ + + + Player.prototype.play = function play() { + var _this7 = this; + + var PromiseClass = this.options_.Promise || window_1.Promise; + + if (PromiseClass) { + return new PromiseClass(function (resolve) { + _this7.play_(resolve); + }); + } + + return this.play_(); + }; + + /** + * The actual logic for play, takes a callback that will be resolved on the + * return value of play. This allows us to resolve to the play promise if there + * is one on modern browsers. + * + * @private + * @param {Function} [callback] + * The callback that should be called when the techs play is actually called + */ + + + Player.prototype.play_ = function play_() { + var _this8 = this; + + var callback = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : silencePromise; + + // If this is called while we have a play queued up on a loadstart, remove + // that listener to avoid getting in a potentially bad state. + if (this.playOnLoadstart_) { + this.off('loadstart', this.playOnLoadstart_); + } + + // If the player/tech is not ready, queue up another call to `play()` for + // when it is. This will loop back into this method for another attempt at + // playback when the tech is ready. + if (!this.isReady_) { + + // Bail out if we're already waiting for `ready`! + if (this.playWaitingForReady_) { + return; + } + + this.playWaitingForReady_ = true; + this.ready(function () { + _this8.playWaitingForReady_ = false; + callback(_this8.play()); + }); + + // If the player/tech is ready and we have a source, we can attempt playback. + } else if (!this.changingSrc_ && (this.src() || this.currentSrc())) { + callback(this.techGet_('play')); + return; + + // If the tech is ready, but we do not have a source, we'll need to wait + // for both the `ready` and a `loadstart` when the source is finally + // resolved by middleware and set on the player. + // + // This can happen if `play()` is called while changing sources or before + // one has been set on the player. + } else { + + this.playOnLoadstart_ = function () { + _this8.playOnLoadstart_ = null; + callback(_this8.play()); + }; + + this.one('loadstart', this.playOnLoadstart_); + } + }; + + /** + * Pause the video playback + * + * @return {Player} + * A reference to the player object this function was called on + */ + + + Player.prototype.pause = function pause() { + this.techCall_('pause'); + }; + + /** + * Check if the player is paused or has yet to play + * + * @return {boolean} + * - false: if the media is currently playing + * - true: if media is not currently playing + */ + + + Player.prototype.paused = function paused() { + // The initial state of paused should be true (in Safari it's actually false) + return this.techGet_('paused') === false ? false : true; + }; + + /** + * Get a TimeRange object representing the current ranges of time that the user + * has played. + * + * @return {TimeRange} + * A time range object that represents all the increments of time that have + * been played. + */ + + + Player.prototype.played = function played() { + return this.techGet_('played') || createTimeRanges(0, 0); + }; + + /** + * Returns whether or not the user is "scrubbing". Scrubbing is + * when the user has clicked the progress bar handle and is + * dragging it along the progress bar. + * + * @param {boolean} [isScrubbing] + * whether the user is or is not scrubbing + * + * @return {boolean} + * The value of scrubbing when getting + */ + + + Player.prototype.scrubbing = function scrubbing(isScrubbing) { + if (typeof isScrubbing === 'undefined') { + return this.scrubbing_; + } + this.scrubbing_ = !!isScrubbing; + + if (isScrubbing) { + this.addClass('vjs-scrubbing'); + } else { + this.removeClass('vjs-scrubbing'); + } + }; + + /** + * Get or set the current time (in seconds) + * + * @param {number|string} [seconds] + * The time to seek to in seconds + * + * @return {number} + * - the current time in seconds when getting + */ + + + Player.prototype.currentTime = function currentTime(seconds) { + if (typeof seconds !== 'undefined') { + if (seconds < 0) { + seconds = 0; + } + this.techCall_('setCurrentTime', seconds); + return; + } + + // cache last currentTime and return. default to 0 seconds + // + // Caching the currentTime is meant to prevent a massive amount of reads on the tech's + // currentTime when scrubbing, but may not provide much performance benefit afterall. + // Should be tested. Also something has to read the actual current time or the cache will + // never get updated. + this.cache_.currentTime = this.techGet_('currentTime') || 0; + return this.cache_.currentTime; + }; + + /** + * Normally gets the length in time of the video in seconds; + * in all but the rarest use cases an argument will NOT be passed to the method + * + * > **NOTE**: The video must have started loading before the duration can be + * known, and in the case of Flash, may not be known until the video starts + * playing. + * + * @fires Player#durationchange + * + * @param {number} [seconds] + * The duration of the video to set in seconds + * + * @return {number} + * - The duration of the video in seconds when getting + */ + + + Player.prototype.duration = function duration(seconds) { + if (seconds === undefined) { + // return NaN if the duration is not known + return this.cache_.duration !== undefined ? this.cache_.duration : NaN; + } + + seconds = parseFloat(seconds); + + // Standardize on Infinity for signaling video is live + if (seconds < 0) { + seconds = Infinity; + } + + if (seconds !== this.cache_.duration) { + // Cache the last set value for optimized scrubbing (esp. Flash) + this.cache_.duration = seconds; + + if (seconds === Infinity) { + this.addClass('vjs-live'); + } else { + this.removeClass('vjs-live'); + } + /** + * @event Player#durationchange + * @type {EventTarget~Event} + */ + this.trigger('durationchange'); + } + }; + + /** + * Calculates how much time is left in the video. Not part + * of the native video API. + * + * @return {number} + * The time remaining in seconds + */ + + + Player.prototype.remainingTime = function remainingTime() { + return this.duration() - this.currentTime(); + }; + + /** + * A remaining time function that is intented to be used when + * the time is to be displayed directly to the user. + * + * @return {number} + * The rounded time remaining in seconds + */ + + + Player.prototype.remainingTimeDisplay = function remainingTimeDisplay() { + return Math.floor(this.duration()) - Math.floor(this.currentTime()); + }; + + // + // Kind of like an array of portions of the video that have been downloaded. + + /** + * Get a TimeRange object with an array of the times of the video + * that have been downloaded. If you just want the percent of the + * video that's been downloaded, use bufferedPercent. + * + * @see [Buffered Spec]{@link http://dev.w3.org/html5/spec/video.html#dom-media-buffered} + * + * @return {TimeRange} + * A mock TimeRange object (following HTML spec) + */ + + + Player.prototype.buffered = function buffered() { + var buffered = this.techGet_('buffered'); + + if (!buffered || !buffered.length) { + buffered = createTimeRanges(0, 0); + } + + return buffered; + }; + + /** + * Get the percent (as a decimal) of the video that's been downloaded. + * This method is not a part of the native HTML video API. + * + * @return {number} + * A decimal between 0 and 1 representing the percent + * that is buffered 0 being 0% and 1 being 100% + */ + + + Player.prototype.bufferedPercent = function bufferedPercent$$1() { + return bufferedPercent(this.buffered(), this.duration()); + }; + + /** + * Get the ending time of the last buffered time range + * This is used in the progress bar to encapsulate all time ranges. + * + * @return {number} + * The end of the last buffered time range + */ + + + Player.prototype.bufferedEnd = function bufferedEnd() { + var buffered = this.buffered(); + var duration = this.duration(); + var end = buffered.end(buffered.length - 1); + + if (end > duration) { + end = duration; + } + + return end; + }; + + /** + * Get or set the current volume of the media + * + * @param {number} [percentAsDecimal] + * The new volume as a decimal percent: + * - 0 is muted/0%/off + * - 1.0 is 100%/full + * - 0.5 is half volume or 50% + * + * @return {number} + * The current volume as a percent when getting + */ + + + Player.prototype.volume = function volume(percentAsDecimal) { + var vol = void 0; + + if (percentAsDecimal !== undefined) { + // Force value to between 0 and 1 + vol = Math.max(0, Math.min(1, parseFloat(percentAsDecimal))); + this.cache_.volume = vol; + this.techCall_('setVolume', vol); + + if (vol > 0) { + this.lastVolume_(vol); + } + + return; + } + + // Default to 1 when returning current volume. + vol = parseFloat(this.techGet_('volume')); + return isNaN(vol) ? 1 : vol; + }; + + /** + * Get the current muted state, or turn mute on or off + * + * @param {boolean} [muted] + * - true to mute + * - false to unmute + * + * @return {boolean} + * - true if mute is on and getting + * - false if mute is off and getting + */ + + + Player.prototype.muted = function muted(_muted) { + if (_muted !== undefined) { + this.techCall_('setMuted', _muted); + return; + } + return this.techGet_('muted') || false; + }; + + /** + * Get the current defaultMuted state, or turn defaultMuted on or off. defaultMuted + * indicates the state of muted on initial playback. + * + * ```js + * var myPlayer = videojs('some-player-id'); + * + * myPlayer.src("http://www.example.com/path/to/video.mp4"); + * + * // get, should be false + * console.log(myPlayer.defaultMuted()); + * // set to true + * myPlayer.defaultMuted(true); + * // get should be true + * console.log(myPlayer.defaultMuted()); + * ``` + * + * @param {boolean} [defaultMuted] + * - true to mute + * - false to unmute + * + * @return {boolean|Player} + * - true if defaultMuted is on and getting + * - false if defaultMuted is off and getting + * - A reference to the current player when setting + */ + + + Player.prototype.defaultMuted = function defaultMuted(_defaultMuted) { + if (_defaultMuted !== undefined) { + return this.techCall_('setDefaultMuted', _defaultMuted); + } + return this.techGet_('defaultMuted') || false; + }; + + /** + * Get the last volume, or set it + * + * @param {number} [percentAsDecimal] + * The new last volume as a decimal percent: + * - 0 is muted/0%/off + * - 1.0 is 100%/full + * - 0.5 is half volume or 50% + * + * @return {number} + * the current value of lastVolume as a percent when getting + * + * @private + */ + + + Player.prototype.lastVolume_ = function lastVolume_(percentAsDecimal) { + if (percentAsDecimal !== undefined && percentAsDecimal !== 0) { + this.cache_.lastVolume = percentAsDecimal; + return; + } + return this.cache_.lastVolume; + }; + + /** + * Check if current tech can support native fullscreen + * (e.g. with built in controls like iOS, so not our flash swf) + * + * @return {boolean} + * if native fullscreen is supported + */ + + + Player.prototype.supportsFullScreen = function supportsFullScreen() { + return this.techGet_('supportsFullScreen') || false; + }; + + /** + * Check if the player is in fullscreen mode or tell the player that it + * is or is not in fullscreen mode. + * + * > NOTE: As of the latest HTML5 spec, isFullscreen is no longer an official + * property and instead document.fullscreenElement is used. But isFullscreen is + * still a valuable property for internal player workings. + * + * @param {boolean} [isFS] + * Set the players current fullscreen state + * + * @return {boolean} + * - true if fullscreen is on and getting + * - false if fullscreen is off and getting + */ + + + Player.prototype.isFullscreen = function isFullscreen(isFS) { + if (isFS !== undefined) { + this.isFullscreen_ = !!isFS; + return; + } + return !!this.isFullscreen_; + }; + + /** + * Increase the size of the video to full screen + * In some browsers, full screen is not supported natively, so it enters + * "full window mode", where the video fills the browser window. + * In browsers and devices that support native full screen, sometimes the + * browser's default controls will be shown, and not the Video.js custom skin. + * This includes most mobile devices (iOS, Android) and older versions of + * Safari. + * + * @fires Player#fullscreenchange + */ + + + Player.prototype.requestFullscreen = function requestFullscreen() { + var fsApi = FullscreenApi; + + this.isFullscreen(true); + + if (fsApi.requestFullscreen) { + // the browser supports going fullscreen at the element level so we can + // take the controls fullscreen as well as the video + + // Trigger fullscreenchange event after change + // We have to specifically add this each time, and remove + // when canceling fullscreen. Otherwise if there's multiple + // players on a page, they would all be reacting to the same fullscreen + // events + on(document_1, fsApi.fullscreenchange, bind(this, function documentFullscreenChange(e) { + this.isFullscreen(document_1[fsApi.fullscreenElement]); + + // If cancelling fullscreen, remove event listener. + if (this.isFullscreen() === false) { + off(document_1, fsApi.fullscreenchange, documentFullscreenChange); + } + /** + * @event Player#fullscreenchange + * @type {EventTarget~Event} + */ + this.trigger('fullscreenchange'); + })); + + this.el_[fsApi.requestFullscreen](); + } else if (this.tech_.supportsFullScreen()) { + // we can't take the video.js controls fullscreen but we can go fullscreen + // with native controls + this.techCall_('enterFullScreen'); + } else { + // fullscreen isn't supported so we'll just stretch the video element to + // fill the viewport + this.enterFullWindow(); + /** + * @event Player#fullscreenchange + * @type {EventTarget~Event} + */ + this.trigger('fullscreenchange'); + } + }; + + /** + * Return the video to its normal size after having been in full screen mode + * + * @fires Player#fullscreenchange + */ + + + Player.prototype.exitFullscreen = function exitFullscreen() { + var fsApi = FullscreenApi; + + this.isFullscreen(false); + + // Check for browser element fullscreen support + if (fsApi.requestFullscreen) { + document_1[fsApi.exitFullscreen](); + } else if (this.tech_.supportsFullScreen()) { + this.techCall_('exitFullScreen'); + } else { + this.exitFullWindow(); + /** + * @event Player#fullscreenchange + * @type {EventTarget~Event} + */ + this.trigger('fullscreenchange'); + } + }; + + /** + * When fullscreen isn't supported we can stretch the + * video container to as wide as the browser will let us. + * + * @fires Player#enterFullWindow + */ + + + Player.prototype.enterFullWindow = function enterFullWindow() { + this.isFullWindow = true; + + // Storing original doc overflow value to return to when fullscreen is off + this.docOrigOverflow = document_1.documentElement.style.overflow; + + // Add listener for esc key to exit fullscreen + on(document_1, 'keydown', bind(this, this.fullWindowOnEscKey)); + + // Hide any scroll bars + document_1.documentElement.style.overflow = 'hidden'; + + // Apply fullscreen styles + addClass(document_1.body, 'vjs-full-window'); + + /** + * @event Player#enterFullWindow + * @type {EventTarget~Event} + */ + this.trigger('enterFullWindow'); + }; + + /** + * Check for call to either exit full window or + * full screen on ESC key + * + * @param {string} event + * Event to check for key press + */ + + + Player.prototype.fullWindowOnEscKey = function fullWindowOnEscKey(event) { + if (event.keyCode === 27) { + if (this.isFullscreen() === true) { + this.exitFullscreen(); + } else { + this.exitFullWindow(); + } + } + }; + + /** + * Exit full window + * + * @fires Player#exitFullWindow + */ + + + Player.prototype.exitFullWindow = function exitFullWindow() { + this.isFullWindow = false; + off(document_1, 'keydown', this.fullWindowOnEscKey); + + // Unhide scroll bars. + document_1.documentElement.style.overflow = this.docOrigOverflow; + + // Remove fullscreen styles + removeClass(document_1.body, 'vjs-full-window'); + + // Resize the box, controller, and poster to original sizes + // this.positionAll(); + /** + * @event Player#exitFullWindow + * @type {EventTarget~Event} + */ + this.trigger('exitFullWindow'); + }; + + /** + * Check whether the player can play a given mimetype + * + * @see https://www.w3.org/TR/2011/WD-html5-20110113/video.html#dom-navigator-canplaytype + * + * @param {string} type + * The mimetype to check + * + * @return {string} + * 'probably', 'maybe', or '' (empty string) + */ + + + Player.prototype.canPlayType = function canPlayType(type) { + var can = void 0; + + // Loop through each playback technology in the options order + for (var i = 0, j = this.options_.techOrder; i < j.length; i++) { + var techName = j[i]; + var tech = Tech.getTech(techName); + + // Support old behavior of techs being registered as components. + // Remove once that deprecated behavior is removed. + if (!tech) { + tech = Component.getComponent(techName); + } + + // Check if the current tech is defined before continuing + if (!tech) { + log$1.error('The "' + techName + '" tech is undefined. Skipped browser support check for that tech.'); + continue; + } + + // Check if the browser supports this technology + if (tech.isSupported()) { + can = tech.canPlayType(type); + + if (can) { + return can; + } + } + } + + return ''; + }; + + /** + * Select source based on tech-order or source-order + * Uses source-order selection if `options.sourceOrder` is truthy. Otherwise, + * defaults to tech-order selection + * + * @param {Array} sources + * The sources for a media asset + * + * @return {Object|boolean} + * Object of source and tech order or false + */ + + + Player.prototype.selectSource = function selectSource(sources) { + var _this9 = this; + + // Get only the techs specified in `techOrder` that exist and are supported by the + // current platform + var techs = this.options_.techOrder.map(function (techName) { + return [techName, Tech.getTech(techName)]; + }).filter(function (_ref) { + var techName = _ref[0], + tech = _ref[1]; + + // Check if the current tech is defined before continuing + if (tech) { + // Check if the browser supports this technology + return tech.isSupported(); + } + + log$1.error('The "' + techName + '" tech is undefined. Skipped browser support check for that tech.'); + return false; + }); + + // Iterate over each `innerArray` element once per `outerArray` element and execute + // `tester` with both. If `tester` returns a non-falsy value, exit early and return + // that value. + var findFirstPassingTechSourcePair = function findFirstPassingTechSourcePair(outerArray, innerArray, tester) { + var found = void 0; + + outerArray.some(function (outerChoice) { + return innerArray.some(function (innerChoice) { + found = tester(outerChoice, innerChoice); + + if (found) { + return true; + } + }); + }); + + return found; + }; + + var foundSourceAndTech = void 0; + var flip = function flip(fn) { + return function (a, b) { + return fn(b, a); + }; + }; + var finder = function finder(_ref2, source) { + var techName = _ref2[0], + tech = _ref2[1]; + + if (tech.canPlaySource(source, _this9.options_[techName.toLowerCase()])) { + return { source: source, tech: techName }; + } + }; + + // Depending on the truthiness of `options.sourceOrder`, we swap the order of techs and sources + // to select from them based on their priority. + if (this.options_.sourceOrder) { + // Source-first ordering + foundSourceAndTech = findFirstPassingTechSourcePair(sources, techs, flip(finder)); + } else { + // Tech-first ordering + foundSourceAndTech = findFirstPassingTechSourcePair(techs, sources, finder); + } + + return foundSourceAndTech || false; + }; + + /** + * Get or set the video source. + * + * @param {Tech~SourceObject|Tech~SourceObject[]|string} [source] + * A SourceObject, an array of SourceObjects, or a string referencing + * a URL to a media source. It is _highly recommended_ that an object + * or array of objects is used here, so that source selection + * algorithms can take the `type` into account. + * + * If not provided, this method acts as a getter. + * + * @return {string|undefined} + * If the `source` argument is missing, returns the current source + * URL. Otherwise, returns nothing/undefined. + */ + + + Player.prototype.src = function src(source) { + var _this10 = this; + + // getter usage + if (typeof source === 'undefined') { + return this.cache_.src || ''; + } + // filter out invalid sources and turn our source into + // an array of source objects + var sources = filterSource(source); + + // if a source was passed in then it is invalid because + // it was filtered to a zero length Array. So we have to + // show an error + if (!sources.length) { + this.setTimeout(function () { + this.error({ code: 4, message: this.localize(this.options_.notSupportedMessage) }); + }, 0); + return; + } + + // intial sources + this.changingSrc_ = true; + + this.cache_.sources = sources; + this.updateSourceCaches_(sources[0]); + + // middlewareSource is the source after it has been changed by middleware + setSource(this, sources[0], function (middlewareSource, mws) { + _this10.middleware_ = mws; + + // since sourceSet is async we have to update the cache again after we select a source since + // the source that is selected could be out of order from the cache update above this callback. + _this10.cache_.sources = sources; + _this10.updateSourceCaches_(middlewareSource); + + var err = _this10.src_(middlewareSource); + + if (err) { + if (sources.length > 1) { + return _this10.src(sources.slice(1)); + } + + _this10.changingSrc_ = false; + + // We need to wrap this in a timeout to give folks a chance to add error event handlers + _this10.setTimeout(function () { + this.error({ code: 4, message: this.localize(this.options_.notSupportedMessage) }); + }, 0); + + // we could not find an appropriate tech, but let's still notify the delegate that this is it + // this needs a better comment about why this is needed + _this10.triggerReady(); + + return; + } + + setTech(mws, _this10.tech_); + }); + }; + + /** + * Set the source object on the tech, returns a boolean that indicates whether + * there is a tech that can play the source or not + * + * @param {Tech~SourceObject} source + * The source object to set on the Tech + * + * @return {Boolean} + * - True if there is no Tech to playback this source + * - False otherwise + * + * @private + */ + + + Player.prototype.src_ = function src_(source) { + var _this11 = this; + + var sourceTech = this.selectSource([source]); + + if (!sourceTech) { + return true; + } + + if (!titleCaseEquals(sourceTech.tech, this.techName_)) { + this.changingSrc_ = true; + // load this technology with the chosen source + this.loadTech_(sourceTech.tech, sourceTech.source); + this.tech_.ready(function () { + _this11.changingSrc_ = false; + }); + return false; + } + + // wait until the tech is ready to set the source + // and set it synchronously if possible (#2326) + this.ready(function () { + + // The setSource tech method was added with source handlers + // so older techs won't support it + // We need to check the direct prototype for the case where subclasses + // of the tech do not support source handlers + if (this.tech_.constructor.prototype.hasOwnProperty('setSource')) { + this.techCall_('setSource', source); + } else { + this.techCall_('src', source.src); + } + + this.changingSrc_ = false; + }, true); + + return false; + }; + + /** + * Begin loading the src data. + */ + + + Player.prototype.load = function load() { + this.techCall_('load'); + }; + + /** + * Reset the player. Loads the first tech in the techOrder, + * and calls `reset` on the tech`. + */ + + + Player.prototype.reset = function reset() { + if (this.tech_) { + this.tech_.clearTracks('text'); + } + this.loadTech_(this.options_.techOrder[0], null); + this.techCall_('reset'); + }; + + /** + * Returns all of the current source objects. + * + * @return {Tech~SourceObject[]} + * The current source objects + */ + + + Player.prototype.currentSources = function currentSources() { + var source = this.currentSource(); + var sources = []; + + // assume `{}` or `{ src }` + if (Object.keys(source).length !== 0) { + sources.push(source); + } + + return this.cache_.sources || sources; + }; + + /** + * Returns the current source object. + * + * @return {Tech~SourceObject} + * The current source object + */ + + + Player.prototype.currentSource = function currentSource() { + return this.cache_.source || {}; + }; + + /** + * Returns the fully qualified URL of the current source value e.g. http://mysite.com/video.mp4 + * Can be used in conjunction with `currentType` to assist in rebuilding the current source object. + * + * @return {string} + * The current source + */ + + + Player.prototype.currentSrc = function currentSrc() { + return this.currentSource() && this.currentSource().src || ''; + }; + + /** + * Get the current source type e.g. video/mp4 + * This can allow you rebuild the current source object so that you could load the same + * source and tech later + * + * @return {string} + * The source MIME type + */ + + + Player.prototype.currentType = function currentType() { + return this.currentSource() && this.currentSource().type || ''; + }; + + /** + * Get or set the preload attribute + * + * @param {boolean} [value] + * - true means that we should preload + * - false means that we should not preload + * + * @return {string} + * The preload attribute value when getting + */ + + + Player.prototype.preload = function preload(value) { + if (value !== undefined) { + this.techCall_('setPreload', value); + this.options_.preload = value; + return; + } + return this.techGet_('preload'); + }; + + /** + * Get or set the autoplay option. When this is a boolean it will + * modify the attribute on the tech. When this is a string the attribute on + * the tech will be removed and `Player` will handle autoplay on loadstarts. + * + * @param {boolean|string} [value] + * - true: autoplay using the browser behavior + * - false: do not autoplay + * - 'play': call play() on every loadstart + * - 'muted': call muted() then play() on every loadstart + * - 'any': call play() on every loadstart. if that fails call muted() then play(). + * - *: values other than those listed here will be set `autoplay` to true + * + * @return {boolean|string} + * The current value of autoplay when getting + */ + + + Player.prototype.autoplay = function autoplay(value) { + // getter usage + if (value === undefined) { + return this.options_.autoplay || false; + } + + var techAutoplay = void 0; + + // if the value is a valid string set it to that + if (typeof value === 'string' && /(any|play|muted)/.test(value)) { + this.options_.autoplay = value; + this.manualAutoplay_(value); + techAutoplay = false; + + // any falsy value sets autoplay to false in the browser, + // lets do the same + } else if (!value) { + this.options_.autoplay = false; + + // any other value (ie truthy) sets autoplay to true + } else { + this.options_.autoplay = true; + } + + techAutoplay = techAutoplay || this.options_.autoplay; + + // if we don't have a tech then we do not queue up + // a setAutoplay call on tech ready. We do this because the + // autoplay option will be passed in the constructor and we + // do not need to set it twice + if (this.tech_) { + this.techCall_('setAutoplay', techAutoplay); + } + }; + + /** + * Set or unset the playsinline attribute. + * Playsinline tells the browser that non-fullscreen playback is preferred. + * + * @param {boolean} [value] + * - true means that we should try to play inline by default + * - false means that we should use the browser's default playback mode, + * which in most cases is inline. iOS Safari is a notable exception + * and plays fullscreen by default. + * + * @return {string|Player} + * - the current value of playsinline + * - the player when setting + * + * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline} + */ + + + Player.prototype.playsinline = function playsinline(value) { + if (value !== undefined) { + this.techCall_('setPlaysinline', value); + this.options_.playsinline = value; + return this; + } + return this.techGet_('playsinline'); + }; + + /** + * Get or set the loop attribute on the video element. + * + * @param {boolean} [value] + * - true means that we should loop the video + * - false means that we should not loop the video + * + * @return {string} + * The current value of loop when getting + */ + + + Player.prototype.loop = function loop(value) { + if (value !== undefined) { + this.techCall_('setLoop', value); + this.options_.loop = value; + return; + } + return this.techGet_('loop'); + }; + + /** + * Get or set the poster image source url + * + * @fires Player#posterchange + * + * @param {string} [src] + * Poster image source URL + * + * @return {string} + * The current value of poster when getting + */ + + + Player.prototype.poster = function poster(src) { + if (src === undefined) { + return this.poster_; + } + + // The correct way to remove a poster is to set as an empty string + // other falsey values will throw errors + if (!src) { + src = ''; + } + + if (src === this.poster_) { + return; + } + + // update the internal poster variable + this.poster_ = src; + + // update the tech's poster + this.techCall_('setPoster', src); + + this.isPosterFromTech_ = false; + + // alert components that the poster has been set + /** + * This event fires when the poster image is changed on the player. + * + * @event Player#posterchange + * @type {EventTarget~Event} + */ + this.trigger('posterchange'); + }; + + /** + * Some techs (e.g. YouTube) can provide a poster source in an + * asynchronous way. We want the poster component to use this + * poster source so that it covers up the tech's controls. + * (YouTube's play button). However we only want to use this + * source if the player user hasn't set a poster through + * the normal APIs. + * + * @fires Player#posterchange + * @listens Tech#posterchange + * @private + */ + + + Player.prototype.handleTechPosterChange_ = function handleTechPosterChange_() { + if ((!this.poster_ || this.options_.techCanOverridePoster) && this.tech_ && this.tech_.poster) { + var newPoster = this.tech_.poster() || ''; + + if (newPoster !== this.poster_) { + this.poster_ = newPoster; + this.isPosterFromTech_ = true; + + // Let components know the poster has changed + this.trigger('posterchange'); + } + } + }; + + /** + * Get or set whether or not the controls are showing. + * + * @fires Player#controlsenabled + * + * @param {boolean} [bool] + * - true to turn controls on + * - false to turn controls off + * + * @return {boolean} + * The current value of controls when getting + */ + + + Player.prototype.controls = function controls(bool) { + if (bool === undefined) { + return !!this.controls_; + } + + bool = !!bool; + + // Don't trigger a change event unless it actually changed + if (this.controls_ === bool) { + return; + } + + this.controls_ = bool; + + if (this.usingNativeControls()) { + this.techCall_('setControls', bool); + } + + if (this.controls_) { + this.removeClass('vjs-controls-disabled'); + this.addClass('vjs-controls-enabled'); + /** + * @event Player#controlsenabled + * @type {EventTarget~Event} + */ + this.trigger('controlsenabled'); + if (!this.usingNativeControls()) { + this.addTechControlsListeners_(); + } + } else { + this.removeClass('vjs-controls-enabled'); + this.addClass('vjs-controls-disabled'); + /** + * @event Player#controlsdisabled + * @type {EventTarget~Event} + */ + this.trigger('controlsdisabled'); + if (!this.usingNativeControls()) { + this.removeTechControlsListeners_(); + } + } + }; + + /** + * Toggle native controls on/off. Native controls are the controls built into + * devices (e.g. default iPhone controls), Flash, or other techs + * (e.g. Vimeo Controls) + * **This should only be set by the current tech, because only the tech knows + * if it can support native controls** + * + * @fires Player#usingnativecontrols + * @fires Player#usingcustomcontrols + * + * @param {boolean} [bool] + * - true to turn native controls on + * - false to turn native controls off + * + * @return {boolean} + * The current value of native controls when getting + */ + + + Player.prototype.usingNativeControls = function usingNativeControls(bool) { + if (bool === undefined) { + return !!this.usingNativeControls_; + } + + bool = !!bool; + + // Don't trigger a change event unless it actually changed + if (this.usingNativeControls_ === bool) { + return; + } + + this.usingNativeControls_ = bool; + + if (this.usingNativeControls_) { + this.addClass('vjs-using-native-controls'); + + /** + * player is using the native device controls + * + * @event Player#usingnativecontrols + * @type {EventTarget~Event} + */ + this.trigger('usingnativecontrols'); + } else { + this.removeClass('vjs-using-native-controls'); + + /** + * player is using the custom HTML controls + * + * @event Player#usingcustomcontrols + * @type {EventTarget~Event} + */ + this.trigger('usingcustomcontrols'); + } + }; + + /** + * Set or get the current MediaError + * + * @fires Player#error + * + * @param {MediaError|string|number} [err] + * A MediaError or a string/number to be turned + * into a MediaError + * + * @return {MediaError|null} + * The current MediaError when getting (or null) + */ + + + Player.prototype.error = function error(err) { + if (err === undefined) { + return this.error_ || null; + } + + // restoring to default + if (err === null) { + this.error_ = err; + this.removeClass('vjs-error'); + if (this.errorDisplay) { + this.errorDisplay.close(); + } + return; + } + + this.error_ = new MediaError(err); + + // add the vjs-error classname to the player + this.addClass('vjs-error'); + + // log the name of the error type and any message + // IE11 logs "[object object]" and required you to expand message to see error object + log$1.error('(CODE:' + this.error_.code + ' ' + MediaError.errorTypes[this.error_.code] + ')', this.error_.message, this.error_); + + /** + * @event Player#error + * @type {EventTarget~Event} + */ + this.trigger('error'); + + return; + }; + + /** + * Report user activity + * + * @param {Object} event + * Event object + */ + + + Player.prototype.reportUserActivity = function reportUserActivity(event) { + this.userActivity_ = true; + }; + + /** + * Get/set if user is active + * + * @fires Player#useractive + * @fires Player#userinactive + * + * @param {boolean} [bool] + * - true if the user is active + * - false if the user is inactive + * + * @return {boolean} + * The current value of userActive when getting + */ + + + Player.prototype.userActive = function userActive(bool) { + if (bool === undefined) { + return this.userActive_; + } + + bool = !!bool; + + if (bool === this.userActive_) { + return; + } + + this.userActive_ = bool; + + if (this.userActive_) { + this.userActivity_ = true; + this.removeClass('vjs-user-inactive'); + this.addClass('vjs-user-active'); + /** + * @event Player#useractive + * @type {EventTarget~Event} + */ + this.trigger('useractive'); + return; + } + + // Chrome/Safari/IE have bugs where when you change the cursor it can + // trigger a mousemove event. This causes an issue when you're hiding + // the cursor when the user is inactive, and a mousemove signals user + // activity. Making it impossible to go into inactive mode. Specifically + // this happens in fullscreen when we really need to hide the cursor. + // + // When this gets resolved in ALL browsers it can be removed + // https://code.google.com/p/chromium/issues/detail?id=103041 + if (this.tech_) { + this.tech_.one('mousemove', function (e) { + e.stopPropagation(); + e.preventDefault(); + }); + } + + this.userActivity_ = false; + this.removeClass('vjs-user-active'); + this.addClass('vjs-user-inactive'); + /** + * @event Player#userinactive + * @type {EventTarget~Event} + */ + this.trigger('userinactive'); + }; + + /** + * Listen for user activity based on timeout value + * + * @private + */ + + + Player.prototype.listenForUserActivity_ = function listenForUserActivity_() { + var mouseInProgress = void 0; + var lastMoveX = void 0; + var lastMoveY = void 0; + var handleActivity = bind(this, this.reportUserActivity); + + var handleMouseMove = function handleMouseMove(e) { + // #1068 - Prevent mousemove spamming + // Chrome Bug: https://code.google.com/p/chromium/issues/detail?id=366970 + if (e.screenX !== lastMoveX || e.screenY !== lastMoveY) { + lastMoveX = e.screenX; + lastMoveY = e.screenY; + handleActivity(); + } + }; + + var handleMouseDown = function handleMouseDown() { + handleActivity(); + // For as long as the they are touching the device or have their mouse down, + // we consider them active even if they're not moving their finger or mouse. + // So we want to continue to update that they are active + this.clearInterval(mouseInProgress); + // Setting userActivity=true now and setting the interval to the same time + // as the activityCheck interval (250) should ensure we never miss the + // next activityCheck + mouseInProgress = this.setInterval(handleActivity, 250); + }; + + var handleMouseUp = function handleMouseUp(event) { + handleActivity(); + // Stop the interval that maintains activity if the mouse/touch is down + this.clearInterval(mouseInProgress); + }; + + // Any mouse movement will be considered user activity + this.on('mousedown', handleMouseDown); + this.on('mousemove', handleMouseMove); + this.on('mouseup', handleMouseUp); + + // Listen for keyboard navigation + // Shouldn't need to use inProgress interval because of key repeat + this.on('keydown', handleActivity); + this.on('keyup', handleActivity); + + // Run an interval every 250 milliseconds instead of stuffing everything into + // the mousemove/touchmove function itself, to prevent performance degradation. + // `this.reportUserActivity` simply sets this.userActivity_ to true, which + // then gets picked up by this loop + // http://ejohn.org/blog/learning-from-twitter/ + var inactivityTimeout = void 0; + + this.setInterval(function () { + // Check to see if mouse/touch activity has happened + if (!this.userActivity_) { + return; + } + + // Reset the activity tracker + this.userActivity_ = false; + + // If the user state was inactive, set the state to active + this.userActive(true); + + // Clear any existing inactivity timeout to start the timer over + this.clearTimeout(inactivityTimeout); + + var timeout = this.options_.inactivityTimeout; + + if (timeout <= 0) { + return; + } + + // In <timeout> milliseconds, if no more activity has occurred the + // user will be considered inactive + inactivityTimeout = this.setTimeout(function () { + // Protect against the case where the inactivityTimeout can trigger just + // before the next user activity is picked up by the activity check loop + // causing a flicker + if (!this.userActivity_) { + this.userActive(false); + } + }, timeout); + }, 250); + }; + + /** + * Gets or sets the current playback rate. A playback rate of + * 1.0 represents normal speed and 0.5 would indicate half-speed + * playback, for instance. + * + * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-playbackrate + * + * @param {number} [rate] + * New playback rate to set. + * + * @return {number} + * The current playback rate when getting or 1.0 + */ + + + Player.prototype.playbackRate = function playbackRate(rate) { + if (rate !== undefined) { + // NOTE: this.cache_.lastPlaybackRate is set from the tech handler + // that is registered above + this.techCall_('setPlaybackRate', rate); + return; + } + + if (this.tech_ && this.tech_.featuresPlaybackRate) { + return this.cache_.lastPlaybackRate || this.techGet_('playbackRate'); + } + return 1.0; + }; + + /** + * Gets or sets the current default playback rate. A default playback rate of + * 1.0 represents normal speed and 0.5 would indicate half-speed playback, for instance. + * defaultPlaybackRate will only represent what the initial playbackRate of a video was, not + * not the current playbackRate. + * + * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-defaultplaybackrate + * + * @param {number} [rate] + * New default playback rate to set. + * + * @return {number|Player} + * - The default playback rate when getting or 1.0 + * - the player when setting + */ + + + Player.prototype.defaultPlaybackRate = function defaultPlaybackRate(rate) { + if (rate !== undefined) { + return this.techCall_('setDefaultPlaybackRate', rate); + } + + if (this.tech_ && this.tech_.featuresPlaybackRate) { + return this.techGet_('defaultPlaybackRate'); + } + return 1.0; + }; + + /** + * Gets or sets the audio flag + * + * @param {boolean} bool + * - true signals that this is an audio player + * - false signals that this is not an audio player + * + * @return {boolean} + * The current value of isAudio when getting + */ + + + Player.prototype.isAudio = function isAudio(bool) { + if (bool !== undefined) { + this.isAudio_ = !!bool; + return; + } + + return !!this.isAudio_; + }; + + /** + * A helper method for adding a {@link TextTrack} to our + * {@link TextTrackList}. + * + * In addition to the W3C settings we allow adding additional info through options. + * + * @see http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-addtexttrack + * + * @param {string} [kind] + * the kind of TextTrack you are adding + * + * @param {string} [label] + * the label to give the TextTrack label + * + * @param {string} [language] + * the language to set on the TextTrack + * + * @return {TextTrack|undefined} + * the TextTrack that was added or undefined + * if there is no tech + */ + + + Player.prototype.addTextTrack = function addTextTrack(kind, label, language) { + if (this.tech_) { + return this.tech_.addTextTrack(kind, label, language); + } + }; + + /** + * Create a remote {@link TextTrack} and an {@link HTMLTrackElement}. It will + * automatically removed from the video element whenever the source changes, unless + * manualCleanup is set to false. + * + * @param {Object} options + * Options to pass to {@link HTMLTrackElement} during creation. See + * {@link HTMLTrackElement} for object properties that you should use. + * + * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be + * + * @return {HtmlTrackElement} + * the HTMLTrackElement that was created and added + * to the HtmlTrackElementList and the remote + * TextTrackList + * + * @deprecated The default value of the "manualCleanup" parameter will default + * to "false" in upcoming versions of Video.js + */ + + + Player.prototype.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) { + if (this.tech_) { + return this.tech_.addRemoteTextTrack(options, manualCleanup); + } + }; + + /** + * Remove a remote {@link TextTrack} from the respective + * {@link TextTrackList} and {@link HtmlTrackElementList}. + * + * @param {Object} track + * Remote {@link TextTrack} to remove + * + * @return {undefined} + * does not return anything + */ + + + Player.prototype.removeRemoteTextTrack = function removeRemoteTextTrack() { + var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}, + _ref3$track = _ref3.track, + track = _ref3$track === undefined ? arguments[0] : _ref3$track; + + // destructure the input into an object with a track argument, defaulting to arguments[0] + // default the whole argument to an empty object if nothing was passed in + + if (this.tech_) { + return this.tech_.removeRemoteTextTrack(track); + } + }; + + /** + * Gets available media playback quality metrics as specified by the W3C's Media + * Playback Quality API. + * + * @see [Spec]{@link https://wicg.github.io/media-playback-quality} + * + * @return {Object|undefined} + * An object with supported media playback quality metrics or undefined if there + * is no tech or the tech does not support it. + */ + + + Player.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() { + return this.techGet_('getVideoPlaybackQuality'); + }; + + /** + * Get video width + * + * @return {number} + * current video width + */ + + + Player.prototype.videoWidth = function videoWidth() { + return this.tech_ && this.tech_.videoWidth && this.tech_.videoWidth() || 0; + }; + + /** + * Get video height + * + * @return {number} + * current video height + */ + + + Player.prototype.videoHeight = function videoHeight() { + return this.tech_ && this.tech_.videoHeight && this.tech_.videoHeight() || 0; + }; + + /** + * The player's language code + * NOTE: The language should be set in the player options if you want the + * the controls to be built with a specific language. Changing the language + * later will not update controls text. + * + * @param {string} [code] + * the language code to set the player to + * + * @return {string} + * The current language code when getting + */ + + + Player.prototype.language = function language(code) { + if (code === undefined) { + return this.language_; + } + + this.language_ = String(code).toLowerCase(); + }; + + /** + * Get the player's language dictionary + * Merge every time, because a newly added plugin might call videojs.addLanguage() at any time + * Languages specified directly in the player options have precedence + * + * @return {Array} + * An array of of supported languages + */ + + + Player.prototype.languages = function languages() { + return mergeOptions(Player.prototype.options_.languages, this.languages_); + }; + + /** + * returns a JavaScript object reperesenting the current track + * information. **DOES not return it as JSON** + * + * @return {Object} + * Object representing the current of track info + */ + + + Player.prototype.toJSON = function toJSON() { + var options = mergeOptions(this.options_); + var tracks = options.tracks; + + options.tracks = []; + + for (var i = 0; i < tracks.length; i++) { + var track = tracks[i]; + + // deep merge tracks and null out player so no circular references + track = mergeOptions(track); + track.player = undefined; + options.tracks[i] = track; + } + + return options; + }; + + /** + * Creates a simple modal dialog (an instance of the {@link ModalDialog} + * component) that immediately overlays the player with arbitrary + * content and removes itself when closed. + * + * @param {string|Function|Element|Array|null} content + * Same as {@link ModalDialog#content}'s param of the same name. + * The most straight-forward usage is to provide a string or DOM + * element. + * + * @param {Object} [options] + * Extra options which will be passed on to the {@link ModalDialog}. + * + * @return {ModalDialog} + * the {@link ModalDialog} that was created + */ + + + Player.prototype.createModal = function createModal(content, options) { + var _this12 = this; + + options = options || {}; + options.content = content || ''; + + var modal = new ModalDialog(this, options); + + this.addChild(modal); + modal.on('dispose', function () { + _this12.removeChild(modal); + }); + + modal.open(); + return modal; + }; + + /** + * Gets tag settings + * + * @param {Element} tag + * The player tag + * + * @return {Object} + * An object containing all of the settings + * for a player tag + */ + + + Player.getTagSettings = function getTagSettings(tag) { + var baseOptions = { + sources: [], + tracks: [] + }; + + var tagOptions = getAttributes(tag); + var dataSetup = tagOptions['data-setup']; + + if (hasClass(tag, 'vjs-fluid')) { + tagOptions.fluid = true; + } + + // Check if data-setup attr exists. + if (dataSetup !== null) { + // Parse options JSON + // If empty string, make it a parsable json object. + var _safeParseTuple = tuple(dataSetup || '{}'), + err = _safeParseTuple[0], + data = _safeParseTuple[1]; + + if (err) { + log$1.error(err); + } + assign(tagOptions, data); + } + + assign(baseOptions, tagOptions); + + // Get tag children settings + if (tag.hasChildNodes()) { + var children = tag.childNodes; + + for (var i = 0, j = children.length; i < j; i++) { + var child = children[i]; + // Change case needed: http://ejohn.org/blog/nodename-case-sensitivity/ + var childName = child.nodeName.toLowerCase(); + + if (childName === 'source') { + baseOptions.sources.push(getAttributes(child)); + } else if (childName === 'track') { + baseOptions.tracks.push(getAttributes(child)); + } + } + } + + return baseOptions; + }; + + /** + * Determine whether or not flexbox is supported + * + * @return {boolean} + * - true if flexbox is supported + * - false if flexbox is not supported + */ + + + Player.prototype.flexNotSupported_ = function flexNotSupported_() { + var elem = document_1.createElement('i'); + + // Note: We don't actually use flexBasis (or flexOrder), but it's one of the more + // common flex features that we can rely on when checking for flex support. + return !('flexBasis' in elem.style || 'webkitFlexBasis' in elem.style || 'mozFlexBasis' in elem.style || 'msFlexBasis' in elem.style || + // IE10-specific (2012 flex spec), available for completeness + 'msFlexOrder' in elem.style); + }; + + return Player; + }(Component); + + /** + * Get the {@link VideoTrackList} + * @link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist + * + * @return {VideoTrackList} + * the current video track list + * + * @method Player.prototype.videoTracks + */ + + /** + * Get the {@link AudioTrackList} + * @link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist + * + * @return {AudioTrackList} + * the current audio track list + * + * @method Player.prototype.audioTracks + */ + + /** + * Get the {@link TextTrackList} + * + * @link http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-texttracks + * + * @return {TextTrackList} + * the current text track list + * + * @method Player.prototype.textTracks + */ + + /** + * Get the remote {@link TextTrackList} + * + * @return {TextTrackList} + * The current remote text track list + * + * @method Player.prototype.remoteTextTracks + */ + + /** + * Get the remote {@link HtmlTrackElementList} tracks. + * + * @return {HtmlTrackElementList} + * The current remote text track element list + * + * @method Player.prototype.remoteTextTrackEls + */ + + ALL.names.forEach(function (name$$1) { + var props = ALL[name$$1]; + + Player.prototype[props.getterName] = function () { + if (this.tech_) { + return this.tech_[props.getterName](); + } + + // if we have not yet loadTech_, we create {video,audio,text}Tracks_ + // these will be passed to the tech during loading + this[props.privateName] = this[props.privateName] || new props.ListClass(); + return this[props.privateName]; + }; + }); + + /** + * Global player list + * + * @type {Object} + */ + Player.players = {}; + + var navigator = window_1.navigator; + + /* + * Player instance options, surfaced using options + * options = Player.prototype.options_ + * Make changes in options, not here. + * + * @type {Object} + * @private + */ + Player.prototype.options_ = { + // Default order of fallback technology + techOrder: Tech.defaultTechOrder_, + + html5: {}, + flash: {}, + + // default inactivity timeout + inactivityTimeout: 2000, + + // default playback rates + playbackRates: [], + // Add playback rate selection by adding rates + // 'playbackRates': [0.5, 1, 1.5, 2], + + // Included control sets + children: ['mediaLoader', 'posterImage', 'textTrackDisplay', 'loadingSpinner', 'bigPlayButton', 'controlBar', 'errorDisplay', 'textTrackSettings', 'resizeManager'], + + language: navigator && (navigator.languages && navigator.languages[0] || navigator.userLanguage || navigator.language) || 'en', + + // locales and their language translations + languages: {}, + + // Default message to show when a video cannot be played. + notSupportedMessage: 'No compatible source was found for this media.' + }; + + [ + /** + * Returns whether or not the player is in the "ended" state. + * + * @return {Boolean} True if the player is in the ended state, false if not. + * @method Player#ended + */ + 'ended', + /** + * Returns whether or not the player is in the "seeking" state. + * + * @return {Boolean} True if the player is in the seeking state, false if not. + * @method Player#seeking + */ + 'seeking', + /** + * Returns the TimeRanges of the media that are currently available + * for seeking to. + * + * @return {TimeRanges} the seekable intervals of the media timeline + * @method Player#seekable + */ + 'seekable', + /** + * Returns the current state of network activity for the element, from + * the codes in the list below. + * - NETWORK_EMPTY (numeric value 0) + * The element has not yet been initialised. All attributes are in + * their initial states. + * - NETWORK_IDLE (numeric value 1) + * The element's resource selection algorithm is active and has + * selected a resource, but it is not actually using the network at + * this time. + * - NETWORK_LOADING (numeric value 2) + * The user agent is actively trying to download data. + * - NETWORK_NO_SOURCE (numeric value 3) + * The element's resource selection algorithm is active, but it has + * not yet found a resource to use. + * + * @see https://html.spec.whatwg.org/multipage/embedded-content.html#network-states + * @return {number} the current network activity state + * @method Player#networkState + */ + 'networkState', + /** + * Returns a value that expresses the current state of the element + * with respect to rendering the current playback position, from the + * codes in the list below. + * - HAVE_NOTHING (numeric value 0) + * No information regarding the media resource is available. + * - HAVE_METADATA (numeric value 1) + * Enough of the resource has been obtained that the duration of the + * resource is available. + * - HAVE_CURRENT_DATA (numeric value 2) + * Data for the immediate current playback position is available. + * - HAVE_FUTURE_DATA (numeric value 3) + * Data for the immediate current playback position is available, as + * well as enough data for the user agent to advance the current + * playback position in the direction of playback. + * - HAVE_ENOUGH_DATA (numeric value 4) + * The user agent estimates that enough data is available for + * playback to proceed uninterrupted. + * + * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-readystate + * @return {number} the current playback rendering state + * @method Player#readyState + */ + 'readyState'].forEach(function (fn) { + Player.prototype[fn] = function () { + return this.techGet_(fn); + }; + }); + + TECH_EVENTS_RETRIGGER.forEach(function (event) { + Player.prototype['handleTech' + toTitleCase(event) + '_'] = function () { + return this.trigger(event); + }; + }); + + /** + * Fired when the player has initial duration and dimension information + * + * @event Player#loadedmetadata + * @type {EventTarget~Event} + */ + + /** + * Fired when the player has downloaded data at the current playback position + * + * @event Player#loadeddata + * @type {EventTarget~Event} + */ + + /** + * Fired when the current playback position has changed * + * During playback this is fired every 15-250 milliseconds, depending on the + * playback technology in use. + * + * @event Player#timeupdate + * @type {EventTarget~Event} + */ + + /** + * Fired when the volume changes + * + * @event Player#volumechange + * @type {EventTarget~Event} + */ + + /** + * Reports whether or not a player has a plugin available. + * + * This does not report whether or not the plugin has ever been initialized + * on this player. For that, [usingPlugin]{@link Player#usingPlugin}. + * + * @method Player#hasPlugin + * @param {string} name + * The name of a plugin. + * + * @return {boolean} + * Whether or not this player has the requested plugin available. + */ + + /** + * Reports whether or not a player is using a plugin by name. + * + * For basic plugins, this only reports whether the plugin has _ever_ been + * initialized on this player. + * + * @method Player#usingPlugin + * @param {string} name + * The name of a plugin. + * + * @return {boolean} + * Whether or not this player is using the requested plugin. + */ + + Component.registerComponent('Player', Player); + + /** + * @file plugin.js + */ + + /** + * The base plugin name. + * + * @private + * @constant + * @type {string} + */ + var BASE_PLUGIN_NAME = 'plugin'; + + /** + * The key on which a player's active plugins cache is stored. + * + * @private + * @constant + * @type {string} + */ + var PLUGIN_CACHE_KEY = 'activePlugins_'; + + /** + * Stores registered plugins in a private space. + * + * @private + * @type {Object} + */ + var pluginStorage = {}; + + /** + * Reports whether or not a plugin has been registered. + * + * @private + * @param {string} name + * The name of a plugin. + * + * @returns {boolean} + * Whether or not the plugin has been registered. + */ + var pluginExists = function pluginExists(name) { + return pluginStorage.hasOwnProperty(name); + }; + + /** + * Get a single registered plugin by name. + * + * @private + * @param {string} name + * The name of a plugin. + * + * @returns {Function|undefined} + * The plugin (or undefined). + */ + var getPlugin = function getPlugin(name) { + return pluginExists(name) ? pluginStorage[name] : undefined; + }; + + /** + * Marks a plugin as "active" on a player. + * + * Also, ensures that the player has an object for tracking active plugins. + * + * @private + * @param {Player} player + * A Video.js player instance. + * + * @param {string} name + * The name of a plugin. + */ + var markPluginAsActive = function markPluginAsActive(player, name) { + player[PLUGIN_CACHE_KEY] = player[PLUGIN_CACHE_KEY] || {}; + player[PLUGIN_CACHE_KEY][name] = true; + }; + + /** + * Triggers a pair of plugin setup events. + * + * @private + * @param {Player} player + * A Video.js player instance. + * + * @param {Plugin~PluginEventHash} hash + * A plugin event hash. + * + * @param {Boolean} [before] + * If true, prefixes the event name with "before". In other words, + * use this to trigger "beforepluginsetup" instead of "pluginsetup". + */ + var triggerSetupEvent = function triggerSetupEvent(player, hash, before) { + var eventName = (before ? 'before' : '') + 'pluginsetup'; + + player.trigger(eventName, hash); + player.trigger(eventName + ':' + hash.name, hash); + }; + + /** + * Takes a basic plugin function and returns a wrapper function which marks + * on the player that the plugin has been activated. + * + * @private + * @param {string} name + * The name of the plugin. + * + * @param {Function} plugin + * The basic plugin. + * + * @returns {Function} + * A wrapper function for the given plugin. + */ + var createBasicPlugin = function createBasicPlugin(name, plugin) { + var basicPluginWrapper = function basicPluginWrapper() { + + // We trigger the "beforepluginsetup" and "pluginsetup" events on the player + // regardless, but we want the hash to be consistent with the hash provided + // for advanced plugins. + // + // The only potentially counter-intuitive thing here is the `instance` in + // the "pluginsetup" event is the value returned by the `plugin` function. + triggerSetupEvent(this, { name: name, plugin: plugin, instance: null }, true); + + var instance = plugin.apply(this, arguments); + + markPluginAsActive(this, name); + triggerSetupEvent(this, { name: name, plugin: plugin, instance: instance }); + + return instance; + }; + + Object.keys(plugin).forEach(function (prop) { + basicPluginWrapper[prop] = plugin[prop]; + }); + + return basicPluginWrapper; + }; + + /** + * Takes a plugin sub-class and returns a factory function for generating + * instances of it. + * + * This factory function will replace itself with an instance of the requested + * sub-class of Plugin. + * + * @private + * @param {string} name + * The name of the plugin. + * + * @param {Plugin} PluginSubClass + * The advanced plugin. + * + * @returns {Function} + */ + var createPluginFactory = function createPluginFactory(name, PluginSubClass) { + + // Add a `name` property to the plugin prototype so that each plugin can + // refer to itself by name. + PluginSubClass.prototype.name = name; + + return function () { + triggerSetupEvent(this, { name: name, plugin: PluginSubClass, instance: null }, true); + + for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) { + args[_key] = arguments[_key]; + } + + var instance = new (Function.prototype.bind.apply(PluginSubClass, [null].concat([this].concat(args))))(); + + // The plugin is replaced by a function that returns the current instance. + this[name] = function () { + return instance; + }; + + triggerSetupEvent(this, instance.getEventHash()); + + return instance; + }; + }; + + /** + * Parent class for all advanced plugins. + * + * @mixes module:evented~EventedMixin + * @mixes module:stateful~StatefulMixin + * @fires Player#beforepluginsetup + * @fires Player#beforepluginsetup:$name + * @fires Player#pluginsetup + * @fires Player#pluginsetup:$name + * @listens Player#dispose + * @throws {Error} + * If attempting to instantiate the base {@link Plugin} class + * directly instead of via a sub-class. + */ + + var Plugin = function () { + + /** + * Creates an instance of this class. + * + * Sub-classes should call `super` to ensure plugins are properly initialized. + * + * @param {Player} player + * A Video.js player instance. + */ + function Plugin(player) { + classCallCheck(this, Plugin); + + if (this.constructor === Plugin) { + throw new Error('Plugin must be sub-classed; not directly instantiated.'); + } + + this.player = player; + + // Make this object evented, but remove the added `trigger` method so we + // use the prototype version instead. + evented(this); + delete this.trigger; + + stateful(this, this.constructor.defaultState); + markPluginAsActive(player, this.name); + + // Auto-bind the dispose method so we can use it as a listener and unbind + // it later easily. + this.dispose = bind(this, this.dispose); + + // If the player is disposed, dispose the plugin. + player.on('dispose', this.dispose); + } + + /** + * Get the version of the plugin that was set on <pluginName>.VERSION + */ + + + Plugin.prototype.version = function version() { + return this.constructor.VERSION; + }; + + /** + * Each event triggered by plugins includes a hash of additional data with + * conventional properties. + * + * This returns that object or mutates an existing hash. + * + * @param {Object} [hash={}] + * An object to be used as event an event hash. + * + * @returns {Plugin~PluginEventHash} + * An event hash object with provided properties mixed-in. + */ + + + Plugin.prototype.getEventHash = function getEventHash() { + var hash = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + + hash.name = this.name; + hash.plugin = this.constructor; + hash.instance = this; + return hash; + }; + + /** + * Triggers an event on the plugin object and overrides + * {@link module:evented~EventedMixin.trigger|EventedMixin.trigger}. + * + * @param {string|Object} event + * An event type or an object with a type property. + * + * @param {Object} [hash={}] + * Additional data hash to merge with a + * {@link Plugin~PluginEventHash|PluginEventHash}. + * + * @returns {boolean} + * Whether or not default was prevented. + */ + + + Plugin.prototype.trigger = function trigger$$1(event) { + var hash = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + + return trigger(this.eventBusEl_, event, this.getEventHash(hash)); + }; + + /** + * Handles "statechanged" events on the plugin. No-op by default, override by + * subclassing. + * + * @abstract + * @param {Event} e + * An event object provided by a "statechanged" event. + * + * @param {Object} e.changes + * An object describing changes that occurred with the "statechanged" + * event. + */ + + + Plugin.prototype.handleStateChanged = function handleStateChanged(e) {}; + + /** + * Disposes a plugin. + * + * Subclasses can override this if they want, but for the sake of safety, + * it's probably best to subscribe the "dispose" event. + * + * @fires Plugin#dispose + */ + + + Plugin.prototype.dispose = function dispose() { + var name = this.name, + player = this.player; + + /** + * Signals that a advanced plugin is about to be disposed. + * + * @event Plugin#dispose + * @type {EventTarget~Event} + */ + + this.trigger('dispose'); + this.off(); + player.off('dispose', this.dispose); + + // Eliminate any possible sources of leaking memory by clearing up + // references between the player and the plugin instance and nulling out + // the plugin's state and replacing methods with a function that throws. + player[PLUGIN_CACHE_KEY][name] = false; + this.player = this.state = null; + + // Finally, replace the plugin name on the player with a new factory + // function, so that the plugin is ready to be set up again. + player[name] = createPluginFactory(name, pluginStorage[name]); + }; + + /** + * Determines if a plugin is a basic plugin (i.e. not a sub-class of `Plugin`). + * + * @param {string|Function} plugin + * If a string, matches the name of a plugin. If a function, will be + * tested directly. + * + * @returns {boolean} + * Whether or not a plugin is a basic plugin. + */ + + + Plugin.isBasic = function isBasic(plugin) { + var p = typeof plugin === 'string' ? getPlugin(plugin) : plugin; + + return typeof p === 'function' && !Plugin.prototype.isPrototypeOf(p.prototype); + }; + + /** + * Register a Video.js plugin. + * + * @param {string} name + * The name of the plugin to be registered. Must be a string and + * must not match an existing plugin or a method on the `Player` + * prototype. + * + * @param {Function} plugin + * A sub-class of `Plugin` or a function for basic plugins. + * + * @returns {Function} + * For advanced plugins, a factory function for that plugin. For + * basic plugins, a wrapper function that initializes the plugin. + */ + + + Plugin.registerPlugin = function registerPlugin(name, plugin) { + if (typeof name !== 'string') { + throw new Error('Illegal plugin name, "' + name + '", must be a string, was ' + (typeof name === 'undefined' ? 'undefined' : _typeof(name)) + '.'); + } + + if (pluginExists(name)) { + log$1.warn('A plugin named "' + name + '" already exists. You may want to avoid re-registering plugins!'); + } else if (Player.prototype.hasOwnProperty(name)) { + throw new Error('Illegal plugin name, "' + name + '", cannot share a name with an existing player method!'); + } + + if (typeof plugin !== 'function') { + throw new Error('Illegal plugin for "' + name + '", must be a function, was ' + (typeof plugin === 'undefined' ? 'undefined' : _typeof(plugin)) + '.'); + } + + pluginStorage[name] = plugin; + + // Add a player prototype method for all sub-classed plugins (but not for + // the base Plugin class). + if (name !== BASE_PLUGIN_NAME) { + if (Plugin.isBasic(plugin)) { + Player.prototype[name] = createBasicPlugin(name, plugin); + } else { + Player.prototype[name] = createPluginFactory(name, plugin); + } + } + + return plugin; + }; + + /** + * De-register a Video.js plugin. + * + * @param {string} name + * The name of the plugin to be deregistered. + */ + + + Plugin.deregisterPlugin = function deregisterPlugin(name) { + if (name === BASE_PLUGIN_NAME) { + throw new Error('Cannot de-register base plugin.'); + } + if (pluginExists(name)) { + delete pluginStorage[name]; + delete Player.prototype[name]; + } + }; + + /** + * Gets an object containing multiple Video.js plugins. + * + * @param {Array} [names] + * If provided, should be an array of plugin names. Defaults to _all_ + * plugin names. + * + * @returns {Object|undefined} + * An object containing plugin(s) associated with their name(s) or + * `undefined` if no matching plugins exist). + */ + + + Plugin.getPlugins = function getPlugins() { + var names = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : Object.keys(pluginStorage); + + var result = void 0; + + names.forEach(function (name) { + var plugin = getPlugin(name); + + if (plugin) { + result = result || {}; + result[name] = plugin; + } + }); + + return result; + }; + + /** + * Gets a plugin's version, if available + * + * @param {string} name + * The name of a plugin. + * + * @returns {string} + * The plugin's version or an empty string. + */ + + + Plugin.getPluginVersion = function getPluginVersion(name) { + var plugin = getPlugin(name); + + return plugin && plugin.VERSION || ''; + }; + + return Plugin; + }(); + + /** + * Gets a plugin by name if it exists. + * + * @static + * @method getPlugin + * @memberOf Plugin + * @param {string} name + * The name of a plugin. + * + * @returns {Function|undefined} + * The plugin (or `undefined`). + */ + + + Plugin.getPlugin = getPlugin; + + /** + * The name of the base plugin class as it is registered. + * + * @type {string} + */ + Plugin.BASE_PLUGIN_NAME = BASE_PLUGIN_NAME; + + Plugin.registerPlugin(BASE_PLUGIN_NAME, Plugin); + + /** + * Documented in player.js + * + * @ignore + */ + Player.prototype.usingPlugin = function (name) { + return !!this[PLUGIN_CACHE_KEY] && this[PLUGIN_CACHE_KEY][name] === true; + }; + + /** + * Documented in player.js + * + * @ignore + */ + Player.prototype.hasPlugin = function (name) { + return !!pluginExists(name); + }; + + /** + * @file extend.js + * @module extend + */ + + /** + * A combination of node inherits and babel's inherits (after transpile). + * Both work the same but node adds `super_` to the subClass + * and Bable adds the superClass as __proto__. Both seem useful. + * + * @param {Object} subClass + * The class to inherit to + * + * @param {Object} superClass + * The class to inherit from + * + * @private + */ + var _inherits = function _inherits(subClass, superClass) { + if (typeof superClass !== 'function' && superClass !== null) { + throw new TypeError('Super expression must either be null or a function, not ' + (typeof superClass === 'undefined' ? 'undefined' : _typeof(superClass))); + } + + subClass.prototype = Object.create(superClass && superClass.prototype, { + constructor: { + value: subClass, + enumerable: false, + writable: true, + configurable: true + } + }); + + if (superClass) { + // node + subClass.super_ = superClass; + } + }; + + /** + * Function for subclassing using the same inheritance that + * videojs uses internally + * + * @static + * @const + * + * @param {Object} superClass + * The class to inherit from + * + * @param {Object} [subClassMethods={}] + * The class to inherit to + * + * @return {Object} + * The new object with subClassMethods that inherited superClass. + */ + var extendFn = function extendFn(superClass) { + var subClassMethods = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + + var subClass = function subClass() { + superClass.apply(this, arguments); + }; + + var methods = {}; + + if ((typeof subClassMethods === 'undefined' ? 'undefined' : _typeof(subClassMethods)) === 'object') { + if (subClassMethods.constructor !== Object.prototype.constructor) { + subClass = subClassMethods.constructor; + } + methods = subClassMethods; + } else if (typeof subClassMethods === 'function') { + subClass = subClassMethods; + } + + _inherits(subClass, superClass); + + // Extend subObj's prototype with functions and other properties from props + for (var name in methods) { + if (methods.hasOwnProperty(name)) { + subClass.prototype[name] = methods[name]; + } + } + + return subClass; + }; + + /** + * @file video.js + * @module videojs + */ + + /** + * Normalize an `id` value by trimming off a leading `#` + * + * @param {string} id + * A string, maybe with a leading `#`. + * + * @returns {string} + * The string, without any leading `#`. + */ + var normalizeId = function normalizeId(id) { + return id.indexOf('#') === 0 ? id.slice(1) : id; + }; + + /** + * Doubles as the main function for users to create a player instance and also + * the main library object. + * The `videojs` function can be used to initialize or retrieve a player. + * + * @param {string|Element} id + * Video element or video element ID + * + * @param {Object} [options] + * Optional options object for config/settings + * + * @param {Component~ReadyCallback} [ready] + * Optional ready callback + * + * @return {Player} + * A player instance + */ + function videojs$1(id, options, ready) { + var player = videojs$1.getPlayer(id); + + if (player) { + if (options) { + log$1.warn('Player "' + id + '" is already initialised. Options will not be applied.'); + } + if (ready) { + player.ready(ready); + } + return player; + } + + var el = typeof id === 'string' ? $('#' + normalizeId(id)) : id; + + if (!isEl(el)) { + throw new TypeError('The element or ID supplied is not valid. (videojs)'); + } + + if (!document_1.body.contains(el)) { + log$1.warn('The element supplied is not included in the DOM'); + } + + options = options || {}; + + videojs$1.hooks('beforesetup').forEach(function (hookFunction) { + var opts = hookFunction(el, mergeOptions(options)); + + if (!isObject(opts) || Array.isArray(opts)) { + log$1.error('please return an object in beforesetup hooks'); + return; + } + + options = mergeOptions(options, opts); + }); + + // We get the current "Player" component here in case an integration has + // replaced it with a custom player. + var PlayerComponent = Component.getComponent('Player'); + + player = new PlayerComponent(el, options, ready); + + videojs$1.hooks('setup').forEach(function (hookFunction) { + return hookFunction(player); + }); + + return player; + } + + /** + * An Object that contains lifecycle hooks as keys which point to an array + * of functions that are run when a lifecycle is triggered + */ + videojs$1.hooks_ = {}; + + /** + * Get a list of hooks for a specific lifecycle + * @function videojs.hooks + * + * @param {string} type + * the lifecyle to get hooks from + * + * @param {Function|Function[]} [fn] + * Optionally add a hook (or hooks) to the lifecycle that your are getting. + * + * @return {Array} + * an array of hooks, or an empty array if there are none. + */ + videojs$1.hooks = function (type, fn) { + videojs$1.hooks_[type] = videojs$1.hooks_[type] || []; + if (fn) { + videojs$1.hooks_[type] = videojs$1.hooks_[type].concat(fn); + } + return videojs$1.hooks_[type]; + }; + + /** + * Add a function hook to a specific videojs lifecycle. + * + * @param {string} type + * the lifecycle to hook the function to. + * + * @param {Function|Function[]} + * The function or array of functions to attach. + */ + videojs$1.hook = function (type, fn) { + videojs$1.hooks(type, fn); + }; + + /** + * Add a function hook that will only run once to a specific videojs lifecycle. + * + * @param {string} type + * the lifecycle to hook the function to. + * + * @param {Function|Function[]} + * The function or array of functions to attach. + */ + videojs$1.hookOnce = function (type, fn) { + videojs$1.hooks(type, [].concat(fn).map(function (original) { + var wrapper = function wrapper() { + videojs$1.removeHook(type, wrapper); + return original.apply(undefined, arguments); + }; + + return wrapper; + })); + }; + + /** + * Remove a hook from a specific videojs lifecycle. + * + * @param {string} type + * the lifecycle that the function hooked to + * + * @param {Function} fn + * The hooked function to remove + * + * @return {boolean} + * The function that was removed or undef + */ + videojs$1.removeHook = function (type, fn) { + var index = videojs$1.hooks(type).indexOf(fn); + + if (index <= -1) { + return false; + } + + videojs$1.hooks_[type] = videojs$1.hooks_[type].slice(); + videojs$1.hooks_[type].splice(index, 1); + + return true; + }; + + // Add default styles + if (window_1.VIDEOJS_NO_DYNAMIC_STYLE !== true && isReal()) { + var style$1 = $('.vjs-styles-defaults'); + + if (!style$1) { + style$1 = createStyleElement('vjs-styles-defaults'); + var head = $('head'); + + if (head) { + head.insertBefore(style$1, head.firstChild); + } + setTextContent(style$1, '\n .video-js {\n width: 300px;\n height: 150px;\n }\n\n .vjs-fluid {\n padding-top: 56.25%\n }\n '); + } + } + + // Run Auto-load players + // You have to wait at least once in case this script is loaded after your + // video in the DOM (weird behavior only with minified version) + autoSetupTimeout(1, videojs$1); + + /** + * Current software version. Follows semver. + * + * @type {string} + */ + videojs$1.VERSION = version; + + /** + * The global options object. These are the settings that take effect + * if no overrides are specified when the player is created. + * + * @type {Object} + */ + videojs$1.options = Player.prototype.options_; + + /** + * Get an object with the currently created players, keyed by player ID + * + * @return {Object} + * The created players + */ + videojs$1.getPlayers = function () { + return Player.players; + }; + + /** + * Get a single player based on an ID or DOM element. + * + * This is useful if you want to check if an element or ID has an associated + * Video.js player, but not create one if it doesn't. + * + * @param {string|Element} id + * An HTML element - `<video>`, `<audio>`, or `<video-js>` - + * or a string matching the `id` of such an element. + * + * @returns {Player|undefined} + * A player instance or `undefined` if there is no player instance + * matching the argument. + */ + videojs$1.getPlayer = function (id) { + var players = Player.players; + var tag = void 0; + + if (typeof id === 'string') { + var nId = normalizeId(id); + var player = players[nId]; + + if (player) { + return player; + } + + tag = $('#' + nId); + } else { + tag = id; + } + + if (isEl(tag)) { + var _tag = tag, + _player = _tag.player, + playerId = _tag.playerId; + + // Element may have a `player` property referring to an already created + // player instance. If so, return that. + + if (_player || players[playerId]) { + return _player || players[playerId]; + } + } + }; + + /** + * Returns an array of all current players. + * + * @return {Array} + * An array of all players. The array will be in the order that + * `Object.keys` provides, which could potentially vary between + * JavaScript engines. + * + */ + videojs$1.getAllPlayers = function () { + return ( + + // Disposed players leave a key with a `null` value, so we need to make sure + // we filter those out. + Object.keys(Player.players).map(function (k) { + return Player.players[k]; + }).filter(Boolean) + ); + }; + + /** + * Expose players object. + * + * @memberOf videojs + * @property {Object} players + */ + videojs$1.players = Player.players; + + /** + * Get a component class object by name + * + * @borrows Component.getComponent as videojs.getComponent + */ + videojs$1.getComponent = Component.getComponent; + + /** + * Register a component so it can referred to by name. Used when adding to other + * components, either through addChild `component.addChild('myComponent')` or through + * default children options `{ children: ['myComponent'] }`. + * + * > NOTE: You could also just initialize the component before adding. + * `component.addChild(new MyComponent());` + * + * @param {string} name + * The class name of the component + * + * @param {Component} comp + * The component class + * + * @return {Component} + * The newly registered component + */ + videojs$1.registerComponent = function (name$$1, comp) { + if (Tech.isTech(comp)) { + log$1.warn('The ' + name$$1 + ' tech was registered as a component. It should instead be registered using videojs.registerTech(name, tech)'); + } + + Component.registerComponent.call(Component, name$$1, comp); + }; + + /** + * Get a Tech class object by name + * + * @borrows Tech.getTech as videojs.getTech + */ + videojs$1.getTech = Tech.getTech; + + /** + * Register a Tech so it can referred to by name. + * This is used in the tech order for the player. + * + * @borrows Tech.registerTech as videojs.registerTech + */ + videojs$1.registerTech = Tech.registerTech; + + /** + * Register a middleware to a source type. + * + * @param {String} type A string representing a MIME type. + * @param {function(player):object} middleware A middleware factory that takes a player. + */ + videojs$1.use = use; + + /** + * An object that can be returned by a middleware to signify + * that the middleware is being terminated. + * + * @type {object} + * @memberOf {videojs} + * @property {object} middleware.TERMINATOR + */ + Object.defineProperty(videojs$1, 'middleware', { + value: {}, + writeable: false, + enumerable: true + }); + + Object.defineProperty(videojs$1.middleware, 'TERMINATOR', { + value: TERMINATOR, + writeable: false, + enumerable: true + }); + + /** + * A suite of browser and device tests from {@link browser}. + * + * @type {Object} + * @private + */ + videojs$1.browser = browser; + + /** + * Whether or not the browser supports touch events. Included for backward + * compatibility with 4.x, but deprecated. Use `videojs.browser.TOUCH_ENABLED` + * instead going forward. + * + * @deprecated since version 5.0 + * @type {boolean} + */ + videojs$1.TOUCH_ENABLED = TOUCH_ENABLED; + + /** + * Subclass an existing class + * Mimics ES6 subclassing with the `extend` keyword + * + * @borrows extend:extendFn as videojs.extend + */ + videojs$1.extend = extendFn; + + /** + * Merge two options objects recursively + * Performs a deep merge like lodash.merge but **only merges plain objects** + * (not arrays, elements, anything else) + * Other values will be copied directly from the second object. + * + * @borrows merge-options:mergeOptions as videojs.mergeOptions + */ + videojs$1.mergeOptions = mergeOptions; + + /** + * Change the context (this) of a function + * + * > NOTE: as of v5.0 we require an ES5 shim, so you should use the native + * `function() {}.bind(newContext);` instead of this. + * + * @borrows fn:bind as videojs.bind + */ + videojs$1.bind = bind; + + /** + * Register a Video.js plugin. + * + * @borrows plugin:registerPlugin as videojs.registerPlugin + * @method registerPlugin + * + * @param {string} name + * The name of the plugin to be registered. Must be a string and + * must not match an existing plugin or a method on the `Player` + * prototype. + * + * @param {Function} plugin + * A sub-class of `Plugin` or a function for basic plugins. + * + * @return {Function} + * For advanced plugins, a factory function for that plugin. For + * basic plugins, a wrapper function that initializes the plugin. + */ + videojs$1.registerPlugin = Plugin.registerPlugin; + + /** + * Deregister a Video.js plugin. + * + * @borrows plugin:deregisterPlugin as videojs.deregisterPlugin + * @method deregisterPlugin + * + * @param {string} name + * The name of the plugin to be deregistered. Must be a string and + * must match an existing plugin or a method on the `Player` + * prototype. + * + */ + videojs$1.deregisterPlugin = Plugin.deregisterPlugin; + + /** + * Deprecated method to register a plugin with Video.js + * + * @deprecated + * videojs.plugin() is deprecated; use videojs.registerPlugin() instead + * + * @param {string} name + * The plugin name + * + * @param {Plugin|Function} plugin + * The plugin sub-class or function + */ + videojs$1.plugin = function (name$$1, plugin) { + log$1.warn('videojs.plugin() is deprecated; use videojs.registerPlugin() instead'); + return Plugin.registerPlugin(name$$1, plugin); + }; + + /** + * Gets an object containing multiple Video.js plugins. + * + * @param {Array} [names] + * If provided, should be an array of plugin names. Defaults to _all_ + * plugin names. + * + * @return {Object|undefined} + * An object containing plugin(s) associated with their name(s) or + * `undefined` if no matching plugins exist). + */ + videojs$1.getPlugins = Plugin.getPlugins; + + /** + * Gets a plugin by name if it exists. + * + * @param {string} name + * The name of a plugin. + * + * @return {Function|undefined} + * The plugin (or `undefined`). + */ + videojs$1.getPlugin = Plugin.getPlugin; + + /** + * Gets a plugin's version, if available + * + * @param {string} name + * The name of a plugin. + * + * @return {string} + * The plugin's version or an empty string. + */ + videojs$1.getPluginVersion = Plugin.getPluginVersion; + + /** + * Adding languages so that they're available to all players. + * Example: `videojs.addLanguage('es', { 'Hello': 'Hola' });` + * + * @param {string} code + * The language code or dictionary property + * + * @param {Object} data + * The data values to be translated + * + * @return {Object} + * The resulting language dictionary object + */ + videojs$1.addLanguage = function (code, data) { + var _mergeOptions; + + code = ('' + code).toLowerCase(); + + videojs$1.options.languages = mergeOptions(videojs$1.options.languages, (_mergeOptions = {}, _mergeOptions[code] = data, _mergeOptions)); + + return videojs$1.options.languages[code]; + }; + + /** + * Log messages + * + * @borrows log:log as videojs.log + */ + videojs$1.log = log$1; + + /** + * Creates an emulated TimeRange object. + * + * @borrows time-ranges:createTimeRanges as videojs.createTimeRange + */ + /** + * @borrows time-ranges:createTimeRanges as videojs.createTimeRanges + */ + videojs$1.createTimeRange = videojs$1.createTimeRanges = createTimeRanges; + + /** + * Format seconds as a time string, H:MM:SS or M:SS + * Supplying a guide (in seconds) will force a number of leading zeros + * to cover the length of the guide + * + * @borrows format-time:formatTime as videojs.formatTime + */ + videojs$1.formatTime = formatTime; + + /** + * Replaces format-time with a custom implementation, to be used in place of the default. + * + * @borrows format-time:setFormatTime as videojs.setFormatTime + * + * @method setFormatTime + * + * @param {Function} customFn + * A custom format-time function which will be called with the current time and guide (in seconds) as arguments. + * Passed fn should return a string. + */ + videojs$1.setFormatTime = setFormatTime; + + /** + * Resets format-time to the default implementation. + * + * @borrows format-time:resetFormatTime as videojs.resetFormatTime + * + * @method resetFormatTime + */ + videojs$1.resetFormatTime = resetFormatTime; + + /** + * Resolve and parse the elements of a URL + * + * @borrows url:parseUrl as videojs.parseUrl + * + */ + videojs$1.parseUrl = parseUrl; + + /** + * Returns whether the url passed is a cross domain request or not. + * + * @borrows url:isCrossOrigin as videojs.isCrossOrigin + */ + videojs$1.isCrossOrigin = isCrossOrigin; + + /** + * Event target class. + * + * @borrows EventTarget as videojs.EventTarget + */ + videojs$1.EventTarget = EventTarget; + + /** + * Add an event listener to element + * It stores the handler function in a separate cache object + * and adds a generic handler to the element's event, + * along with a unique id (guid) to the element. + * + * @borrows events:on as videojs.on + */ + videojs$1.on = on; + + /** + * Trigger a listener only once for an event + * + * @borrows events:one as videojs.one + */ + videojs$1.one = one; + + /** + * Removes event listeners from an element + * + * @borrows events:off as videojs.off + */ + videojs$1.off = off; + + /** + * Trigger an event for an element + * + * @borrows events:trigger as videojs.trigger + */ + videojs$1.trigger = trigger; + + /** + * A cross-browser XMLHttpRequest wrapper. Here's a simple example: + * + * @param {Object} options + * settings for the request. + * + * @return {XMLHttpRequest|XDomainRequest} + * The request object. + * + * @see https://github.com/Raynos/xhr + */ + videojs$1.xhr = xhr; + + /** + * TextTrack class + * + * @borrows TextTrack as videojs.TextTrack + */ + videojs$1.TextTrack = TextTrack; + + /** + * export the AudioTrack class so that source handlers can create + * AudioTracks and then add them to the players AudioTrackList + * + * @borrows AudioTrack as videojs.AudioTrack + */ + videojs$1.AudioTrack = AudioTrack; + + /** + * export the VideoTrack class so that source handlers can create + * VideoTracks and then add them to the players VideoTrackList + * + * @borrows VideoTrack as videojs.VideoTrack + */ + videojs$1.VideoTrack = VideoTrack; + + /** + * Determines, via duck typing, whether or not a value is a DOM element. + * + * @borrows dom:isEl as videojs.isEl + * @deprecated Use videojs.dom.isEl() instead + */ + + /** + * Determines, via duck typing, whether or not a value is a text node. + * + * @borrows dom:isTextNode as videojs.isTextNode + * @deprecated Use videojs.dom.isTextNode() instead + */ + + /** + * Creates an element and applies properties. + * + * @borrows dom:createEl as videojs.createEl + * @deprecated Use videojs.dom.createEl() instead + */ + + /** + * Check if an element has a CSS class + * + * @borrows dom:hasElClass as videojs.hasClass + * @deprecated Use videojs.dom.hasClass() instead + */ + + /** + * Add a CSS class name to an element + * + * @borrows dom:addElClass as videojs.addClass + * @deprecated Use videojs.dom.addClass() instead + */ + + /** + * Remove a CSS class name from an element + * + * @borrows dom:removeElClass as videojs.removeClass + * @deprecated Use videojs.dom.removeClass() instead + */ + + /** + * Adds or removes a CSS class name on an element depending on an optional + * condition or the presence/absence of the class name. + * + * @borrows dom:toggleElClass as videojs.toggleClass + * @deprecated Use videojs.dom.toggleClass() instead + */ + + /** + * Apply attributes to an HTML element. + * + * @borrows dom:setElAttributes as videojs.setAttribute + * @deprecated Use videojs.dom.setAttributes() instead + */ + + /** + * Get an element's attribute values, as defined on the HTML tag + * Attributes are not the same as properties. They're defined on the tag + * or with setAttribute (which shouldn't be used with HTML) + * This will return true or false for boolean attributes. + * + * @borrows dom:getElAttributes as videojs.getAttributes + * @deprecated Use videojs.dom.getAttributes() instead + */ + + /** + * Empties the contents of an element. + * + * @borrows dom:emptyEl as videojs.emptyEl + * @deprecated Use videojs.dom.emptyEl() instead + */ + + /** + * Normalizes and appends content to an element. + * + * The content for an element can be passed in multiple types and + * combinations, whose behavior is as follows: + * + * - String + * Normalized into a text node. + * + * - Element, TextNode + * Passed through. + * + * - Array + * A one-dimensional array of strings, elements, nodes, or functions (which + * return single strings, elements, or nodes). + * + * - Function + * If the sole argument, is expected to produce a string, element, + * node, or array. + * + * @borrows dom:appendContents as videojs.appendContet + * @deprecated Use videojs.dom.appendContent() instead + */ + + /** + * Normalizes and inserts content into an element; this is identical to + * `appendContent()`, except it empties the element first. + * + * The content for an element can be passed in multiple types and + * combinations, whose behavior is as follows: + * + * - String + * Normalized into a text node. + * + * - Element, TextNode + * Passed through. + * + * - Array + * A one-dimensional array of strings, elements, nodes, or functions (which + * return single strings, elements, or nodes). + * + * - Function + * If the sole argument, is expected to produce a string, element, + * node, or array. + * + * @borrows dom:insertContent as videojs.insertContent + * @deprecated Use videojs.dom.insertContent() instead + */ + ['isEl', 'isTextNode', 'createEl', 'hasClass', 'addClass', 'removeClass', 'toggleClass', 'setAttributes', 'getAttributes', 'emptyEl', 'appendContent', 'insertContent'].forEach(function (k) { + videojs$1[k] = function () { + log$1.warn('videojs.' + k + '() is deprecated; use videojs.dom.' + k + '() instead'); + return Dom[k].apply(null, arguments); + }; + }); + + /** + * A safe getComputedStyle. + * + * This is because in Firefox, if the player is loaded in an iframe with `display:none`, + * then `getComputedStyle` returns `null`, so, we do a null-check to make sure + * that the player doesn't break in these cases. + * See https://bugzilla.mozilla.org/show_bug.cgi?id=548397 for more details. + * + * @borrows computed-style:computedStyle as videojs.computedStyle + */ + videojs$1.computedStyle = computedStyle; + + /** + * Export the Dom utilities for use in external plugins + * and Tech's + */ + videojs$1.dom = Dom; + + /** + * Export the Url utilities for use in external plugins + * and Tech's + */ + videojs$1.url = Url; + + return videojs$1; + +}))); |