From b070de8fa931d1b3b3f87d0c4afce55675f3cb93 Mon Sep 17 00:00:00 2001
From: Wu Cheng-Han
Date: Sun, 29 Nov 2015 01:04:20 -0600
Subject: Updated and merge reveal.js to use bower
---
public/js/reveal.js | 4508 ---------------------------------------------------
1 file changed, 4508 deletions(-)
delete mode 100644 public/js/reveal.js
(limited to 'public/js')
diff --git a/public/js/reveal.js b/public/js/reveal.js
deleted file mode 100644
index ff5ea533..00000000
--- a/public/js/reveal.js
+++ /dev/null
@@ -1,4508 +0,0 @@
-/*!
- * reveal.js
- * http://lab.hakim.se/reveal-js
- * MIT licensed
- *
- * Copyright (C) 2015 Hakim El Hattab, http://hakim.se
- */
-(function( root, factory ) {
- if( typeof define === 'function' && define.amd ) {
- // AMD. Register as an anonymous module.
- define( function() {
- root.Reveal = factory();
- return root.Reveal;
- } );
- } else if( typeof exports === 'object' ) {
- // Node. Does not work with strict CommonJS.
- module.exports = factory();
- } else {
- // Browser globals.
- root.Reveal = factory();
- }
-}( this, function() {
-
- 'use strict';
-
- var Reveal;
-
- var SLIDES_SELECTOR = '.slides section',
- HORIZONTAL_SLIDES_SELECTOR = '.slides>section',
- VERTICAL_SLIDES_SELECTOR = '.slides>section.present>section',
- HOME_SLIDE_SELECTOR = '.slides>section:first-of-type',
-
- // Configuration defaults, can be overridden at initialization time
- config = {
-
- // The "normal" size of the presentation, aspect ratio will be preserved
- // when the presentation is scaled to fit different resolutions
- width: 960,
- height: 700,
-
- // Factor of the display size that should remain empty around the content
- margin: 0.1,
-
- // Bounds for smallest/largest possible scale to apply to content
- minScale: 0.2,
- maxScale: 1.5,
-
- // Display controls in the bottom right corner
- controls: true,
-
- // Display a presentation progress bar
- progress: true,
-
- // Display the page number of the current slide
- slideNumber: false,
-
- // Push each slide change to the browser history
- history: false,
-
- // Enable keyboard shortcuts for navigation
- keyboard: true,
-
- // Optional function that blocks keyboard events when retuning false
- keyboardCondition: null,
-
- // Enable the slide overview mode
- overview: true,
-
- // Vertical centering of slides
- center: true,
-
- // Enables touch navigation on devices with touch input
- touch: true,
-
- // Loop the presentation
- loop: false,
-
- // Change the presentation direction to be RTL
- rtl: false,
-
- // Turns fragments on and off globally
- fragments: true,
-
- // Flags if the presentation is running in an embedded mode,
- // i.e. contained within a limited portion of the screen
- embedded: false,
-
- // Flags if we should show a help overlay when the questionmark
- // key is pressed
- help: true,
-
- // Flags if it should be possible to pause the presentation (blackout)
- pause: true,
-
- // Number of milliseconds between automatically proceeding to the
- // next slide, disabled when set to 0, this value can be overwritten
- // by using a data-autoslide attribute on your slides
- autoSlide: 0,
-
- // Stop auto-sliding after user input
- autoSlideStoppable: true,
-
- // Enable slide navigation via mouse wheel
- mouseWheel: false,
-
- // Apply a 3D roll to links on hover
- rollingLinks: false,
-
- // Hides the address bar on mobile devices
- hideAddressBar: true,
-
- // Opens links in an iframe preview overlay
- previewLinks: false,
-
- // Exposes the reveal.js API through window.postMessage
- postMessage: true,
-
- // Dispatches all reveal.js events to the parent window through postMessage
- postMessageEvents: false,
-
- // Focuses body when page changes visiblity to ensure keyboard shortcuts work
- focusBodyOnPageVisibilityChange: true,
-
- // Transition style
- transition: 'slide', // none/fade/slide/convex/concave/zoom
-
- // Transition speed
- transitionSpeed: 'default', // default/fast/slow
-
- // Transition style for full page slide backgrounds
- backgroundTransition: 'fade', // none/fade/slide/convex/concave/zoom
-
- // Parallax background image
- parallaxBackgroundImage: '', // CSS syntax, e.g. "a.jpg"
-
- // Parallax background size
- parallaxBackgroundSize: '', // CSS syntax, e.g. "3000px 2000px"
-
- // Amount of pixels to move the parallax background per slide step
- parallaxBackgroundHorizontal: null,
- parallaxBackgroundVertical: null,
-
- // Number of slides away from the current that are visible
- viewDistance: 3,
-
- // Script dependencies to load
- dependencies: []
-
- },
-
- // Flags if reveal.js is loaded (has dispatched the 'ready' event)
- loaded = false,
-
- // Flags if the overview mode is currently active
- overview = false,
-
- // The horizontal and vertical index of the currently active slide
- indexh,
- indexv,
-
- // The previous and current slide HTML elements
- previousSlide,
- currentSlide,
-
- previousBackground,
-
- // Slides may hold a data-state attribute which we pick up and apply
- // as a class to the body. This list contains the combined state of
- // all current slides.
- state = [],
-
- // The current scale of the presentation (see width/height config)
- scale = 1,
-
- // CSS transform that is currently applied to the slides container,
- // split into two groups
- slidesTransform = { layout: '', overview: '' },
-
- // Cached references to DOM elements
- dom = {},
-
- // Features supported by the browser, see #checkCapabilities()
- features = {},
-
- // Client is a mobile device, see #checkCapabilities()
- isMobileDevice,
-
- // Throttles mouse wheel navigation
- lastMouseWheelStep = 0,
-
- // Delays updates to the URL due to a Chrome thumbnailer bug
- writeURLTimeout = 0,
-
- // Flags if the interaction event listeners are bound
- eventsAreBound = false,
-
- // The current auto-slide duration
- autoSlide = 0,
-
- // Auto slide properties
- autoSlidePlayer,
- autoSlideTimeout = 0,
- autoSlideStartTime = -1,
- autoSlidePaused = false,
-
- // Holds information about the currently ongoing touch input
- touch = {
- startX: 0,
- startY: 0,
- startSpan: 0,
- startCount: 0,
- captured: false,
- threshold: 40
- },
-
- // Holds information about the keyboard shortcuts
- keyboardShortcuts = {
- 'N , SPACE': 'Next slide',
- 'P': 'Previous slide',
- '← , H': 'Navigate left',
- '→ , L': 'Navigate right',
- '↑ , K': 'Navigate up',
- '↓ , J': 'Navigate down',
- 'Home': 'First slide',
- 'End': 'Last slide',
- 'B , .': 'Pause',
- 'F': 'Fullscreen',
- 'ESC, O': 'Slide overview'
- };
-
- /**
- * Starts up the presentation if the client is capable.
- */
- function initialize( options ) {
-
- checkCapabilities();
-
- if( !features.transforms2d && !features.transforms3d ) {
- document.body.setAttribute( 'class', 'no-transforms' );
-
- // Since JS won't be running any further, we load all lazy
- // loading elements upfront
- var images = toArray( document.getElementsByTagName( 'img' ) ),
- iframes = toArray( document.getElementsByTagName( 'iframe' ) );
-
- var lazyLoadable = images.concat( iframes );
-
- for( var i = 0, len = lazyLoadable.length; i < len; i++ ) {
- var element = lazyLoadable[i];
- if( element.getAttribute( 'data-src' ) ) {
- element.setAttribute( 'src', element.getAttribute( 'data-src' ) );
- element.removeAttribute( 'data-src' );
- }
- }
-
- // If the browser doesn't support core features we won't be
- // using JavaScript to control the presentation
- return;
- }
-
- // Cache references to key DOM elements
- dom.wrapper = document.querySelector( '.reveal' );
- dom.slides = document.querySelector( '.reveal .slides' );
-
- // Force a layout when the whole page, incl fonts, has loaded
- window.addEventListener( 'load', layout, false );
-
- var query = Reveal.getQueryHash();
-
- // Do not accept new dependencies via query config to avoid
- // the potential of malicious script injection
- if( typeof query['dependencies'] !== 'undefined' ) delete query['dependencies'];
-
- // Copy options over to our config object
- extend( config, options );
- extend( config, query );
-
- // Hide the address bar in mobile browsers
- hideAddressBar();
-
- // Loads the dependencies and continues to #start() once done
- load();
-
- }
-
- /**
- * Inspect the client to see what it's capable of, this
- * should only happens once per runtime.
- */
- function checkCapabilities() {
-
- features.transforms3d = 'WebkitPerspective' in document.body.style ||
- 'MozPerspective' in document.body.style ||
- 'msPerspective' in document.body.style ||
- 'OPerspective' in document.body.style ||
- 'perspective' in document.body.style;
-
- features.transforms2d = 'WebkitTransform' in document.body.style ||
- 'MozTransform' in document.body.style ||
- 'msTransform' in document.body.style ||
- 'OTransform' in document.body.style ||
- 'transform' in document.body.style;
-
- features.requestAnimationFrameMethod = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
- features.requestAnimationFrame = typeof features.requestAnimationFrameMethod === 'function';
-
- features.canvas = !!document.createElement( 'canvas' ).getContext;
-
- features.touch = !!( 'ontouchstart' in window );
-
- // Transitions in the overview are disabled in desktop and
- // mobile Safari due to lag
- features.overviewTransitions = !/Version\/[\d\.]+.*Safari/.test( navigator.userAgent );
-
- isMobileDevice = /(iphone|ipod|ipad|android)/gi.test( navigator.userAgent );
-
- }
-
- /**
- * Loads the dependencies of reveal.js. Dependencies are
- * defined via the configuration option 'dependencies'
- * and will be loaded prior to starting/binding reveal.js.
- * Some dependencies may have an 'async' flag, if so they
- * will load after reveal.js has been started up.
- */
- function load() {
-
- var scripts = [],
- scriptsAsync = [],
- scriptsToPreload = 0;
-
- // Called once synchronous scripts finish loading
- function proceed() {
- if( scriptsAsync.length ) {
- // Load asynchronous scripts
- head.js.apply( null, scriptsAsync );
- }
-
- start();
- }
-
- function loadScript( s ) {
- head.ready( s.src.match( /([\w\d_\-]*)\.?js$|[^\\\/]*$/i )[0], function() {
- // Extension may contain callback functions
- if( typeof s.callback === 'function' ) {
- s.callback.apply( this );
- }
-
- if( --scriptsToPreload === 0 ) {
- proceed();
- }
- });
- }
-
- for( var i = 0, len = config.dependencies.length; i < len; i++ ) {
- var s = config.dependencies[i];
-
- // Load if there's no condition or the condition is truthy
- if( !s.condition || s.condition() ) {
- if( s.async ) {
- scriptsAsync.push( s.src );
- }
- else {
- scripts.push( s.src );
- }
-
- loadScript( s );
- }
- }
-
- if( scripts.length ) {
- scriptsToPreload = scripts.length;
-
- // Load synchronous scripts
- head.js.apply( null, scripts );
- }
- else {
- proceed();
- }
-
- }
-
- /**
- * Starts up reveal.js by binding input events and navigating
- * to the current URL deeplink if there is one.
- */
- function start() {
-
- // Make sure we've got all the DOM elements we need
- setupDOM();
-
- // Listen to messages posted to this window
- setupPostMessage();
-
- // Prevent iframes from scrolling the slides out of view
- setupIframeScrollPrevention();
-
- // Resets all vertical slides so that only the first is visible
- resetVerticalSlides();
-
- // Updates the presentation to match the current configuration values
- configure();
-
- // Read the initial hash
- readURL();
-
- // Update all backgrounds
- updateBackground( true );
-
- // Notify listeners that the presentation is ready but use a 1ms
- // timeout to ensure it's not fired synchronously after #initialize()
- setTimeout( function() {
- // Enable transitions now that we're loaded
- dom.slides.classList.remove( 'no-transition' );
-
- loaded = true;
-
- dispatchEvent( 'ready', {
- 'indexh': indexh,
- 'indexv': indexv,
- 'currentSlide': currentSlide
- } );
- }, 1 );
-
- // Special setup and config is required when printing to PDF
- if( isPrintingPDF() ) {
- removeEventListeners();
-
- // The document needs to have loaded for the PDF layout
- // measurements to be accurate
- if( document.readyState === 'complete' ) {
- setupPDF();
- }
- else {
- window.addEventListener( 'load', setupPDF );
- }
- }
-
- }
-
- /**
- * Finds and stores references to DOM elements which are
- * required by the presentation. If a required element is
- * not found, it is created.
- */
- function setupDOM() {
-
- // Prevent transitions while we're loading
- dom.slides.classList.add( 'no-transition' );
-
- // Background element
- dom.background = createSingletonNode( dom.wrapper, 'div', 'backgrounds', null );
-
- // Progress bar
- dom.progress = createSingletonNode( dom.wrapper, 'div', 'progress', '' );
- dom.progressbar = dom.progress.querySelector( 'span' );
-
- // Arrow controls
- createSingletonNode( dom.wrapper, 'aside', 'controls',
- '
' +
- '' +
- '' +
- '' );
-
- // Slide number
- dom.slideNumber = createSingletonNode( dom.wrapper, 'div', 'slide-number', '' );
-
- // Overlay graphic which is displayed during the paused mode
- createSingletonNode( dom.wrapper, 'div', 'pause-overlay', null );
-
- // Cache references to elements
- dom.controls = document.querySelector( '.reveal .controls' );
- dom.theme = document.querySelector( '#theme' );
-
- dom.wrapper.setAttribute( 'role', 'application' );
-
- // There can be multiple instances of controls throughout the page
- dom.controlsLeft = toArray( document.querySelectorAll( '.navigate-left' ) );
- dom.controlsRight = toArray( document.querySelectorAll( '.navigate-right' ) );
- dom.controlsUp = toArray( document.querySelectorAll( '.navigate-up' ) );
- dom.controlsDown = toArray( document.querySelectorAll( '.navigate-down' ) );
- dom.controlsPrev = toArray( document.querySelectorAll( '.navigate-prev' ) );
- dom.controlsNext = toArray( document.querySelectorAll( '.navigate-next' ) );
-
- dom.statusDiv = createStatusDiv();
- }
-
- /**
- * Creates a hidden div with role aria-live to announce the
- * current slide content. Hide the div off-screen to make it
- * available only to Assistive Technologies.
- */
- function createStatusDiv() {
-
- var statusDiv = document.getElementById( 'aria-status-div' );
- if( !statusDiv ) {
- statusDiv = document.createElement( 'div' );
- statusDiv.style.position = 'absolute';
- statusDiv.style.height = '1px';
- statusDiv.style.width = '1px';
- statusDiv.style.overflow ='hidden';
- statusDiv.style.clip = 'rect( 1px, 1px, 1px, 1px )';
- statusDiv.setAttribute( 'id', 'aria-status-div' );
- statusDiv.setAttribute( 'aria-live', 'polite' );
- statusDiv.setAttribute( 'aria-atomic','true' );
- dom.wrapper.appendChild( statusDiv );
- }
- return statusDiv;
-
- }
-
- /**
- * Configures the presentation for printing to a static
- * PDF.
- */
- function setupPDF() {
-
- var slideSize = getComputedSlideSize( window.innerWidth, window.innerHeight );
-
- // Dimensions of the PDF pages
- var pageWidth = Math.floor( slideSize.width * ( 1 + config.margin ) ),
- pageHeight = Math.floor( slideSize.height * ( 1 + config.margin ) );
-
- // Dimensions of slides within the pages
- var slideWidth = slideSize.width,
- slideHeight = slideSize.height;
-
- // Let the browser know what page size we want to print
- injectStyleSheet( '@page{size:'+ pageWidth +'px '+ pageHeight +'px; margin: 0;}' );
-
- // Limit the size of certain elements to the dimensions of the slide
- injectStyleSheet( '.reveal section>img, .reveal section>video, .reveal section>iframe{max-width: '+ slideWidth +'px; max-height:'+ slideHeight +'px}' );
-
- document.body.classList.add( 'print-pdf' );
- document.body.style.width = pageWidth + 'px';
- document.body.style.height = pageHeight + 'px';
-
- // Slide and slide background layout
- toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) ).forEach( function( slide ) {
-
- // Vertical stacks are not centred since their section
- // children will be
- if( slide.classList.contains( 'stack' ) === false ) {
- // Center the slide inside of the page, giving the slide some margin
- var left = ( pageWidth - slideWidth ) / 2,
- top = ( pageHeight - slideHeight ) / 2;
-
- var contentHeight = getAbsoluteHeight( slide );
- var numberOfPages = Math.max( Math.ceil( contentHeight / pageHeight ), 1 );
-
- // Center slides vertically
- if( numberOfPages === 1 && config.center || slide.classList.contains( 'center' ) ) {
- top = Math.max( ( pageHeight - contentHeight ) / 2, 0 );
- }
-
- // Position the slide inside of the page
- slide.style.left = left + 'px';
- slide.style.top = top + 'px';
- slide.style.width = slideWidth + 'px';
-
- // TODO Backgrounds need to be multiplied when the slide
- // stretches over multiple pages
- var background = slide.querySelector( '.slide-background' );
- if( background ) {
- background.style.width = pageWidth + 'px';
- background.style.height = ( pageHeight * numberOfPages ) + 'px';
- background.style.top = -top + 'px';
- background.style.left = -left + 'px';
- }
- }
-
- } );
-
- // Show all fragments
- toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR + ' .fragment' ) ).forEach( function( fragment ) {
- fragment.classList.add( 'visible' );
- } );
-
- }
-
- /**
- * This is an unfortunate necessity. Iframes can trigger the
- * parent window to scroll, for example by focusing an input.
- * This scrolling can not be prevented by hiding overflow in
- * CSS so we have to resort to repeatedly checking if the
- * browser has decided to offset our slides :(
- */
- function setupIframeScrollPrevention() {
-
- if( dom.slides.querySelector( 'iframe' ) ) {
- setInterval( function() {
- if( dom.wrapper.scrollTop !== 0 || dom.wrapper.scrollLeft !== 0 ) {
- dom.wrapper.scrollTop = 0;
- dom.wrapper.scrollLeft = 0;
- }
- }, 500 );
- }
-
- }
-
- /**
- * Creates an HTML element and returns a reference to it.
- * If the element already exists the existing instance will
- * be returned.
- */
- function createSingletonNode( container, tagname, classname, innerHTML ) {
-
- // Find all nodes matching the description
- var nodes = container.querySelectorAll( '.' + classname );
-
- // Check all matches to find one which is a direct child of
- // the specified container
- for( var i = 0; i < nodes.length; i++ ) {
- var testNode = nodes[i];
- if( testNode.parentNode === container ) {
- return testNode;
- }
- }
-
- // If no node was found, create it now
- var node = document.createElement( tagname );
- node.classList.add( classname );
- if( typeof innerHTML === 'string' ) {
- node.innerHTML = innerHTML;
- }
- container.appendChild( node );
-
- return node;
-
- }
-
- /**
- * Creates the slide background elements and appends them
- * to the background container. One element is created per
- * slide no matter if the given slide has visible background.
- */
- function createBackgrounds() {
-
- var printMode = isPrintingPDF();
-
- // Clear prior backgrounds
- dom.background.innerHTML = '';
- dom.background.classList.add( 'no-transition' );
-
- // Iterate over all horizontal slides
- toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).forEach( function( slideh ) {
-
- var backgroundStack;
-
- if( printMode ) {
- backgroundStack = createBackground( slideh, slideh );
- }
- else {
- backgroundStack = createBackground( slideh, dom.background );
- }
-
- // Iterate over all vertical slides
- toArray( slideh.querySelectorAll( 'section' ) ).forEach( function( slidev ) {
-
- if( printMode ) {
- createBackground( slidev, slidev );
- }
- else {
- createBackground( slidev, backgroundStack );
- }
-
- backgroundStack.classList.add( 'stack' );
-
- } );
-
- } );
-
- // Add parallax background if specified
- if( config.parallaxBackgroundImage ) {
-
- dom.background.style.backgroundImage = 'url("' + config.parallaxBackgroundImage + '")';
- dom.background.style.backgroundSize = config.parallaxBackgroundSize;
-
- // Make sure the below properties are set on the element - these properties are
- // needed for proper transitions to be set on the element via CSS. To remove
- // annoying background slide-in effect when the presentation starts, apply
- // these properties after short time delay
- setTimeout( function() {
- dom.wrapper.classList.add( 'has-parallax-background' );
- }, 1 );
-
- }
- else {
-
- dom.background.style.backgroundImage = '';
- dom.wrapper.classList.remove( 'has-parallax-background' );
-
- }
-
- }
-
- /**
- * Creates a background for the given slide.
- *
- * @param {HTMLElement} slide
- * @param {HTMLElement} container The element that the background
- * should be appended to
- */
- function createBackground( slide, container ) {
-
- var data = {
- background: slide.getAttribute( 'data-background' ),
- backgroundSize: slide.getAttribute( 'data-background-size' ),
- backgroundImage: slide.getAttribute( 'data-background-image' ),
- backgroundVideo: slide.getAttribute( 'data-background-video' ),
- backgroundIframe: slide.getAttribute( 'data-background-iframe' ),
- backgroundColor: slide.getAttribute( 'data-background-color' ),
- backgroundRepeat: slide.getAttribute( 'data-background-repeat' ),
- backgroundPosition: slide.getAttribute( 'data-background-position' ),
- backgroundTransition: slide.getAttribute( 'data-background-transition' )
- };
-
- var element = document.createElement( 'div' );
-
- // Carry over custom classes from the slide to the background
- element.className = 'slide-background ' + slide.className.replace( /present|past|future/, '' );
-
- if( data.background ) {
- // Auto-wrap image urls in url(...)
- if( /^(http|file|\/\/)/gi.test( data.background ) || /\.(svg|png|jpg|jpeg|gif|bmp)$/gi.test( data.background ) ) {
- slide.setAttribute( 'data-background-image', data.background );
- }
- else {
- element.style.background = data.background;
- }
- }
-
- // Create a hash for this combination of background settings.
- // This is used to determine when two slide backgrounds are
- // the same.
- if( data.background || data.backgroundColor || data.backgroundImage || data.backgroundVideo || data.backgroundIframe ) {
- element.setAttribute( 'data-background-hash', data.background +
- data.backgroundSize +
- data.backgroundImage +
- data.backgroundVideo +
- data.backgroundIframe +
- data.backgroundColor +
- data.backgroundRepeat +
- data.backgroundPosition +
- data.backgroundTransition );
- }
-
- // Additional and optional background properties
- if( data.backgroundSize ) element.style.backgroundSize = data.backgroundSize;
- if( data.backgroundColor ) element.style.backgroundColor = data.backgroundColor;
- if( data.backgroundRepeat ) element.style.backgroundRepeat = data.backgroundRepeat;
- if( data.backgroundPosition ) element.style.backgroundPosition = data.backgroundPosition;
- if( data.backgroundTransition ) element.setAttribute( 'data-background-transition', data.backgroundTransition );
-
- container.appendChild( element );
-
- // If backgrounds are being recreated, clear old classes
- slide.classList.remove( 'has-dark-background' );
- slide.classList.remove( 'has-light-background' );
-
- // If this slide has a background color, add a class that
- // signals if it is light or dark. If the slide has no background
- // color, no class will be set
- var computedBackgroundColor = window.getComputedStyle( element ).backgroundColor;
- if( computedBackgroundColor ) {
- var rgb = colorToRgb( computedBackgroundColor );
-
- // Ignore fully transparent backgrounds. Some browsers return
- // rgba(0,0,0,0) when reading the computed background color of
- // an element with no background
- if( rgb && rgb.a !== 0 ) {
- if( colorBrightness( computedBackgroundColor ) < 128 ) {
- slide.classList.add( 'has-dark-background' );
- }
- else {
- slide.classList.add( 'has-light-background' );
- }
- }
- }
-
- return element;
-
- }
-
- /**
- * Registers a listener to postMessage events, this makes it
- * possible to call all reveal.js API methods from another
- * window. For example:
- *
- * revealWindow.postMessage( JSON.stringify({
- * method: 'slide',
- * args: [ 2 ]
- * }), '*' );
- */
- function setupPostMessage() {
-
- if( config.postMessage ) {
- window.addEventListener( 'message', function ( event ) {
- var data = event.data;
-
- // Make sure we're dealing with JSON
- if( typeof data === 'string' && data.charAt( 0 ) === '{' && data.charAt( data.length - 1 ) === '}' ) {
- data = JSON.parse( data );
-
- // Check if the requested method can be found
- if( data.method && typeof Reveal[data.method] === 'function' ) {
- Reveal[data.method].apply( Reveal, data.args );
- }
- }
- }, false );
- }
-
- }
-
- /**
- * Applies the configuration settings from the config
- * object. May be called multiple times.
- */
- function configure( options ) {
-
- var numberOfSlides = dom.wrapper.querySelectorAll( SLIDES_SELECTOR ).length;
-
- dom.wrapper.classList.remove( config.transition );
-
- // New config options may be passed when this method
- // is invoked through the API after initialization
- if( typeof options === 'object' ) extend( config, options );
-
- // Force linear transition based on browser capabilities
- if( features.transforms3d === false ) config.transition = 'linear';
-
- dom.wrapper.classList.add( config.transition );
-
- dom.wrapper.setAttribute( 'data-transition-speed', config.transitionSpeed );
- dom.wrapper.setAttribute( 'data-background-transition', config.backgroundTransition );
-
- dom.controls.style.display = config.controls ? 'block' : 'none';
- dom.progress.style.display = config.progress ? 'block' : 'none';
-
- if( config.rtl ) {
- dom.wrapper.classList.add( 'rtl' );
- }
- else {
- dom.wrapper.classList.remove( 'rtl' );
- }
-
- if( config.center ) {
- dom.wrapper.classList.add( 'center' );
- }
- else {
- dom.wrapper.classList.remove( 'center' );
- }
-
- // Exit the paused mode if it was configured off
- if( config.pause === false ) {
- resume();
- }
-
- if( config.mouseWheel ) {
- document.addEventListener( 'DOMMouseScroll', onDocumentMouseScroll, false ); // FF
- document.addEventListener( 'mousewheel', onDocumentMouseScroll, false );
- }
- else {
- document.removeEventListener( 'DOMMouseScroll', onDocumentMouseScroll, false ); // FF
- document.removeEventListener( 'mousewheel', onDocumentMouseScroll, false );
- }
-
- // Rolling 3D links
- if( config.rollingLinks ) {
- enableRollingLinks();
- }
- else {
- disableRollingLinks();
- }
-
- // Iframe link previews
- if( config.previewLinks ) {
- enablePreviewLinks();
- }
- else {
- disablePreviewLinks();
- enablePreviewLinks( '[data-preview-link]' );
- }
-
- // Remove existing auto-slide controls
- if( autoSlidePlayer ) {
- autoSlidePlayer.destroy();
- autoSlidePlayer = null;
- }
-
- // Generate auto-slide controls if needed
- if( numberOfSlides > 1 && config.autoSlide && config.autoSlideStoppable && features.canvas && features.requestAnimationFrame ) {
- autoSlidePlayer = new Playback( dom.wrapper, function() {
- return Math.min( Math.max( ( Date.now() - autoSlideStartTime ) / autoSlide, 0 ), 1 );
- } );
-
- autoSlidePlayer.on( 'click', onAutoSlidePlayerClick );
- autoSlidePaused = false;
- }
-
- // When fragments are turned off they should be visible
- if( config.fragments === false ) {
- toArray( dom.slides.querySelectorAll( '.fragment' ) ).forEach( function( element ) {
- element.classList.add( 'visible' );
- element.classList.remove( 'current-fragment' );
- } );
- }
-
- sync();
-
- }
-
- /**
- * Binds all event listeners.
- */
- function addEventListeners() {
-
- eventsAreBound = true;
-
- window.addEventListener( 'hashchange', onWindowHashChange, false );
- window.addEventListener( 'resize', onWindowResize, false );
-
- if( config.touch ) {
- dom.wrapper.addEventListener( 'touchstart', onTouchStart, false );
- dom.wrapper.addEventListener( 'touchmove', onTouchMove, false );
- dom.wrapper.addEventListener( 'touchend', onTouchEnd, false );
-
- // Support pointer-style touch interaction as well
- if( window.navigator.pointerEnabled ) {
- // IE 11 uses un-prefixed version of pointer events
- dom.wrapper.addEventListener( 'pointerdown', onPointerDown, false );
- dom.wrapper.addEventListener( 'pointermove', onPointerMove, false );
- dom.wrapper.addEventListener( 'pointerup', onPointerUp, false );
- }
- else if( window.navigator.msPointerEnabled ) {
- // IE 10 uses prefixed version of pointer events
- dom.wrapper.addEventListener( 'MSPointerDown', onPointerDown, false );
- dom.wrapper.addEventListener( 'MSPointerMove', onPointerMove, false );
- dom.wrapper.addEventListener( 'MSPointerUp', onPointerUp, false );
- }
- }
-
- if( config.keyboard ) {
- document.addEventListener( 'keydown', onDocumentKeyDown, false );
- document.addEventListener( 'keypress', onDocumentKeyPress, false );
- }
-
- if( config.progress && dom.progress ) {
- dom.progress.addEventListener( 'click', onProgressClicked, false );
- }
-
- if( config.focusBodyOnPageVisibilityChange ) {
- var visibilityChange;
-
- if( 'hidden' in document ) {
- visibilityChange = 'visibilitychange';
- }
- else if( 'msHidden' in document ) {
- visibilityChange = 'msvisibilitychange';
- }
- else if( 'webkitHidden' in document ) {
- visibilityChange = 'webkitvisibilitychange';
- }
-
- if( visibilityChange ) {
- document.addEventListener( visibilityChange, onPageVisibilityChange, false );
- }
- }
-
- // Listen to both touch and click events, in case the device
- // supports both
- var pointerEvents = [ 'touchstart', 'click' ];
-
- // Only support touch for Android, fixes double navigations in
- // stock browser
- if( navigator.userAgent.match( /android/gi ) ) {
- pointerEvents = [ 'touchstart' ];
- }
-
- pointerEvents.forEach( function( eventName ) {
- dom.controlsLeft.forEach( function( el ) { el.addEventListener( eventName, onNavigateLeftClicked, false ); } );
- dom.controlsRight.forEach( function( el ) { el.addEventListener( eventName, onNavigateRightClicked, false ); } );
- dom.controlsUp.forEach( function( el ) { el.addEventListener( eventName, onNavigateUpClicked, false ); } );
- dom.controlsDown.forEach( function( el ) { el.addEventListener( eventName, onNavigateDownClicked, false ); } );
- dom.controlsPrev.forEach( function( el ) { el.addEventListener( eventName, onNavigatePrevClicked, false ); } );
- dom.controlsNext.forEach( function( el ) { el.addEventListener( eventName, onNavigateNextClicked, false ); } );
- } );
-
- }
-
- /**
- * Unbinds all event listeners.
- */
- function removeEventListeners() {
-
- eventsAreBound = false;
-
- document.removeEventListener( 'keydown', onDocumentKeyDown, false );
- document.removeEventListener( 'keypress', onDocumentKeyPress, false );
- window.removeEventListener( 'hashchange', onWindowHashChange, false );
- window.removeEventListener( 'resize', onWindowResize, false );
-
- dom.wrapper.removeEventListener( 'touchstart', onTouchStart, false );
- dom.wrapper.removeEventListener( 'touchmove', onTouchMove, false );
- dom.wrapper.removeEventListener( 'touchend', onTouchEnd, false );
-
- // IE11
- if( window.navigator.pointerEnabled ) {
- dom.wrapper.removeEventListener( 'pointerdown', onPointerDown, false );
- dom.wrapper.removeEventListener( 'pointermove', onPointerMove, false );
- dom.wrapper.removeEventListener( 'pointerup', onPointerUp, false );
- }
- // IE10
- else if( window.navigator.msPointerEnabled ) {
- dom.wrapper.removeEventListener( 'MSPointerDown', onPointerDown, false );
- dom.wrapper.removeEventListener( 'MSPointerMove', onPointerMove, false );
- dom.wrapper.removeEventListener( 'MSPointerUp', onPointerUp, false );
- }
-
- if ( config.progress && dom.progress ) {
- dom.progress.removeEventListener( 'click', onProgressClicked, false );
- }
-
- [ 'touchstart', 'click' ].forEach( function( eventName ) {
- dom.controlsLeft.forEach( function( el ) { el.removeEventListener( eventName, onNavigateLeftClicked, false ); } );
- dom.controlsRight.forEach( function( el ) { el.removeEventListener( eventName, onNavigateRightClicked, false ); } );
- dom.controlsUp.forEach( function( el ) { el.removeEventListener( eventName, onNavigateUpClicked, false ); } );
- dom.controlsDown.forEach( function( el ) { el.removeEventListener( eventName, onNavigateDownClicked, false ); } );
- dom.controlsPrev.forEach( function( el ) { el.removeEventListener( eventName, onNavigatePrevClicked, false ); } );
- dom.controlsNext.forEach( function( el ) { el.removeEventListener( eventName, onNavigateNextClicked, false ); } );
- } );
-
- }
-
- /**
- * Extend object a with the properties of object b.
- * If there's a conflict, object b takes precedence.
- */
- function extend( a, b ) {
-
- for( var i in b ) {
- a[ i ] = b[ i ];
- }
-
- }
-
- /**
- * Converts the target object to an array.
- */
- function toArray( o ) {
-
- return Array.prototype.slice.call( o );
-
- }
-
- /**
- * Utility for deserializing a value.
- */
- function deserialize( value ) {
-
- if( typeof value === 'string' ) {
- if( value === 'null' ) return null;
- else if( value === 'true' ) return true;
- else if( value === 'false' ) return false;
- else if( value.match( /^\d+$/ ) ) return parseFloat( value );
- }
-
- return value;
-
- }
-
- /**
- * Measures the distance in pixels between point a
- * and point b.
- *
- * @param {Object} a point with x/y properties
- * @param {Object} b point with x/y properties
- */
- function distanceBetween( a, b ) {
-
- var dx = a.x - b.x,
- dy = a.y - b.y;
-
- return Math.sqrt( dx*dx + dy*dy );
-
- }
-
- /**
- * Applies a CSS transform to the target element.
- */
- function transformElement( element, transform ) {
-
- element.style.WebkitTransform = transform;
- element.style.MozTransform = transform;
- element.style.msTransform = transform;
- element.style.transform = transform;
-
- }
-
- /**
- * Applies CSS transforms to the slides container. The container
- * is transformed from two separate sources: layout and the overview
- * mode.
- */
- function transformSlides( transforms ) {
-
- // Pick up new transforms from arguments
- if( typeof transforms.layout === 'string' ) slidesTransform.layout = transforms.layout;
- if( typeof transforms.overview === 'string' ) slidesTransform.overview = transforms.overview;
-
- // Apply the transforms to the slides container
- if( slidesTransform.layout ) {
- transformElement( dom.slides, slidesTransform.layout + ' ' + slidesTransform.overview );
- }
- else {
- transformElement( dom.slides, slidesTransform.overview );
- }
-
- }
-
- /**
- * Injects the given CSS styles into the DOM.
- */
- function injectStyleSheet( value ) {
-
- var tag = document.createElement( 'style' );
- tag.type = 'text/css';
- if( tag.styleSheet ) {
- tag.styleSheet.cssText = value;
- }
- else {
- tag.appendChild( document.createTextNode( value ) );
- }
- document.getElementsByTagName( 'head' )[0].appendChild( tag );
-
- }
-
- /**
- * Converts various color input formats to an {r:0,g:0,b:0} object.
- *
- * @param {String} color The string representation of a color,
- * the following formats are supported:
- * - #000
- * - #000000
- * - rgb(0,0,0)
- */
- function colorToRgb( color ) {
-
- var hex3 = color.match( /^#([0-9a-f]{3})$/i );
- if( hex3 && hex3[1] ) {
- hex3 = hex3[1];
- return {
- r: parseInt( hex3.charAt( 0 ), 16 ) * 0x11,
- g: parseInt( hex3.charAt( 1 ), 16 ) * 0x11,
- b: parseInt( hex3.charAt( 2 ), 16 ) * 0x11
- };
- }
-
- var hex6 = color.match( /^#([0-9a-f]{6})$/i );
- if( hex6 && hex6[1] ) {
- hex6 = hex6[1];
- return {
- r: parseInt( hex6.substr( 0, 2 ), 16 ),
- g: parseInt( hex6.substr( 2, 2 ), 16 ),
- b: parseInt( hex6.substr( 4, 2 ), 16 )
- };
- }
-
- var rgb = color.match( /^rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/i );
- if( rgb ) {
- return {
- r: parseInt( rgb[1], 10 ),
- g: parseInt( rgb[2], 10 ),
- b: parseInt( rgb[3], 10 )
- };
- }
-
- var rgba = color.match( /^rgba\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\,\s*([\d]+|[\d]*.[\d]+)\s*\)$/i );
- if( rgba ) {
- return {
- r: parseInt( rgba[1], 10 ),
- g: parseInt( rgba[2], 10 ),
- b: parseInt( rgba[3], 10 ),
- a: parseFloat( rgba[4] )
- };
- }
-
- return null;
-
- }
-
- /**
- * Calculates brightness on a scale of 0-255.
- *
- * @param color See colorStringToRgb for supported formats.
- */
- function colorBrightness( color ) {
-
- if( typeof color === 'string' ) color = colorToRgb( color );
-
- if( color ) {
- return ( color.r * 299 + color.g * 587 + color.b * 114 ) / 1000;
- }
-
- return null;
-
- }
-
- /**
- * Retrieves the height of the given element by looking
- * at the position and height of its immediate children.
- */
- function getAbsoluteHeight( element ) {
-
- var height = 0;
-
- if( element ) {
- var absoluteChildren = 0;
-
- toArray( element.childNodes ).forEach( function( child ) {
-
- if( typeof child.offsetTop === 'number' && child.style ) {
- // Count # of abs children
- if( window.getComputedStyle( child ).position === 'absolute' ) {
- absoluteChildren += 1;
- }
-
- height = Math.max( height, child.offsetTop + child.offsetHeight );
- }
-
- } );
-
- // If there are no absolute children, use offsetHeight
- if( absoluteChildren === 0 ) {
- height = element.offsetHeight;
- }
-
- }
-
- return height;
-
- }
-
- /**
- * Returns the remaining height within the parent of the
- * target element.
- *
- * remaining height = [ configured parent height ] - [ current parent height ]
- */
- function getRemainingHeight( element, height ) {
-
- height = height || 0;
-
- if( element ) {
- var newHeight, oldHeight = element.style.height;
-
- // Change the .stretch element height to 0 in order find the height of all
- // the other elements
- element.style.height = '0px';
- newHeight = height - element.parentNode.offsetHeight;
-
- // Restore the old height, just in case
- element.style.height = oldHeight + 'px';
-
- return newHeight;
- }
-
- return height;
-
- }
-
- /**
- * Checks if this instance is being used to print a PDF.
- */
- function isPrintingPDF() {
-
- return ( /print-pdf/gi ).test( window.location.search );
-
- }
-
- /**
- * Hides the address bar if we're on a mobile device.
- */
- function hideAddressBar() {
-
- if( config.hideAddressBar && isMobileDevice ) {
- // Events that should trigger the address bar to hide
- window.addEventListener( 'load', removeAddressBar, false );
- window.addEventListener( 'orientationchange', removeAddressBar, false );
- }
-
- }
-
- /**
- * Causes the address bar to hide on mobile devices,
- * more vertical space ftw.
- */
- function removeAddressBar() {
-
- setTimeout( function() {
- window.scrollTo( 0, 1 );
- }, 10 );
-
- }
-
- /**
- * Dispatches an event of the specified type from the
- * reveal DOM element.
- */
- function dispatchEvent( type, args ) {
-
- var event = document.createEvent( 'HTMLEvents', 1, 2 );
- event.initEvent( type, true, true );
- extend( event, args );
- dom.wrapper.dispatchEvent( event );
-
- // If we're in an iframe, post each reveal.js event to the
- // parent window. Used by the notes plugin
- if( config.postMessageEvents && window.parent !== window.self ) {
- window.parent.postMessage( JSON.stringify({ namespace: 'reveal', eventName: type, state: getState() }), '*' );
- }
-
- }
-
- /**
- * Wrap all links in 3D goodness.
- */
- function enableRollingLinks() {
-
- if( features.transforms3d && !( 'msPerspective' in document.body.style ) ) {
- var anchors = dom.wrapper.querySelectorAll( SLIDES_SELECTOR + ' a' );
-
- for( var i = 0, len = anchors.length; i < len; i++ ) {
- var anchor = anchors[i];
-
- if( anchor.textContent && !anchor.querySelector( '*' ) && ( !anchor.className || !anchor.classList.contains( anchor, 'roll' ) ) ) {
- var span = document.createElement('span');
- span.setAttribute('data-title', anchor.text);
- span.innerHTML = anchor.innerHTML;
-
- anchor.classList.add( 'roll' );
- anchor.innerHTML = '';
- anchor.appendChild(span);
- }
- }
- }
-
- }
-
- /**
- * Unwrap all 3D links.
- */
- function disableRollingLinks() {
-
- var anchors = dom.wrapper.querySelectorAll( SLIDES_SELECTOR + ' a.roll' );
-
- for( var i = 0, len = anchors.length; i < len; i++ ) {
- var anchor = anchors[i];
- var span = anchor.querySelector( 'span' );
-
- if( span ) {
- anchor.classList.remove( 'roll' );
- anchor.innerHTML = span.innerHTML;
- }
- }
-
- }
-
- /**
- * Bind preview frame links.
- */
- function enablePreviewLinks( selector ) {
-
- var anchors = toArray( document.querySelectorAll( selector ? selector : 'a' ) );
-
- anchors.forEach( function( element ) {
- if( /^(http|www)/gi.test( element.getAttribute( 'href' ) ) ) {
- element.addEventListener( 'click', onPreviewLinkClicked, false );
- }
- } );
-
- }
-
- /**
- * Unbind preview frame links.
- */
- function disablePreviewLinks() {
-
- var anchors = toArray( document.querySelectorAll( 'a' ) );
-
- anchors.forEach( function( element ) {
- if( /^(http|www)/gi.test( element.getAttribute( 'href' ) ) ) {
- element.removeEventListener( 'click', onPreviewLinkClicked, false );
- }
- } );
-
- }
-
- /**
- * Opens a preview window for the target URL.
- */
- function showPreview( url ) {
-
- closeOverlay();
-
- dom.overlay = document.createElement( 'div' );
- dom.overlay.classList.add( 'overlay' );
- dom.overlay.classList.add( 'overlay-preview' );
- dom.wrapper.appendChild( dom.overlay );
-
- dom.overlay.innerHTML = [
- '',
- '',
- '',
- '',
- '',
- '