Merge pull request #43 from x000032001/master

Add Slide Mode
author: jackycute 2015-11-28 21:57:35 -0600
committer: jackycute 2015-11-28 21:57:35 -0600
commit: d6dec55a07ceacbc21aa211b90c18fcf0d189013 (patch)
tree: b6f43191518b16f74ca33b1406567a0ffcaa6f32 /public/plugin/notes
parent: 75ae505a1544d8999e6705aad7ed96ff5a6eb0e5 (diff)
parent: f51b7370f030c5cd1235fa7a23514a7e1ccef2dd (diff)
2 files changed, 528 insertions, 0 deletions
diff --git a/public/plugin/notes/notes.html b/public/plugin/notes/notes.html
new file mode 100644
index 00000000..0cc8cf61
--- /dev/null
+++ b/public/plugin/notes/notes.html
@@ -0,0 +1,406 @@
+<!doctype html>
+<html lang="en">
+	<head>
+		<meta charset="utf-8">
+
+		<title>reveal.js - Slide Notes</title>
+
+		<style>
+			body {
+				font-family: Helvetica;
+			}
+
+			#current-slide,
+			#upcoming-slide,
+			#speaker-controls {
+				padding: 6px;
+				box-sizing: border-box;
+				-moz-box-sizing: border-box;
+			}
+
+			#current-slide iframe,
+			#upcoming-slide iframe {
+				width: 100%;
+				height: 100%;
+				border: 1px solid #ddd;
+			}
+
+			#current-slide .label,
+			#upcoming-slide .label {
+				position: absolute;
+				top: 10px;
+				left: 10px;
+				font-weight: bold;
+				font-size: 14px;
+				z-index: 2;
+				color: rgba( 255, 255, 255, 0.9 );
+			}
+
+			#current-slide {
+				position: absolute;
+				width: 65%;
+				height: 100%;
+				top: 0;
+				left: 0;
+				padding-right: 0;
+			}
+
+			#upcoming-slide {
+				position: absolute;
+				width: 35%;
+				height: 40%;
+				right: 0;
+				top: 0;
+			}
+
+			#speaker-controls {
+				position: absolute;
+				top: 40%;
+				right: 0;
+				width: 35%;
+				height: 60%;
+				overflow: auto;
+
+				font-size: 18px;
+			}
+
+				.speaker-controls-time.hidden,
+				.speaker-controls-notes.hidden {
+					display: none;
+				}
+
+				.speaker-controls-time .label,
+				.speaker-controls-notes .label {
+					text-transform: uppercase;
+					font-weight: normal;
+					font-size: 0.66em;
+					color: #666;
+					margin: 0;
+				}
+
+				.speaker-controls-time {
+					border-bottom: 1px solid rgba( 200, 200, 200, 0.5 );
+					margin-bottom: 10px;
+					padding: 10px 16px;
+					padding-bottom: 20px;
+					cursor: pointer;
+				}
+
+				.speaker-controls-time .reset-button {
+					opacity: 0;
+					float: right;
+					color: #666;
+					text-decoration: none;
+				}
+				.speaker-controls-time:hover .reset-button {
+					opacity: 1;
+				}
+
+				.speaker-controls-time .timer,
+				.speaker-controls-time .clock {
+					width: 50%;
+					font-size: 1.9em;
+				}
+
+				.speaker-controls-time .timer {
+					float: left;
+				}
+
+				.speaker-controls-time .clock {
+					float: right;
+					text-align: right;
+				}
+
+				.speaker-controls-time span.mute {
+					color: #bbb;
+				}
+
+				.speaker-controls-notes {
+					padding: 10px 16px;
+				}
+
+				.speaker-controls-notes .value {
+					margin-top: 5px;
+					line-height: 1.4;
+					font-size: 1.2em;
+				}
+
+			.clear {
+				clear: both;
+			}
+
+			@media screen and (max-width: 1080px) {
+				#speaker-controls {
+					font-size: 16px;
+				}
+			}
+
+			@media screen and (max-width: 900px) {
+				#speaker-controls {
+					font-size: 14px;
+				}
+			}
+
+			@media screen and (max-width: 800px) {
+				#speaker-controls {
+					font-size: 12px;
+				}
+			}
+
+		</style>
+	</head>
+
+	<body>
+
+		<div id="current-slide"></div>
+		<div id="upcoming-slide"><span class="label">UPCOMING:</span></div>
+		<div id="speaker-controls">
+			<div class="speaker-controls-time">
+				<h4 class="label">Time <span class="reset-button">Click to Reset</span></h4>
+				<div class="clock">
+					<span class="clock-value">0:00 AM</span>
+				</div>
+				<div class="timer">
+					<span class="hours-value">00</span><span class="minutes-value">:00</span><span class="seconds-value">:00</span>
+				</div>
+				<div class="clear"></div>
+			</div>
+
+			<div class="speaker-controls-notes hidden">
+				<h4 class="label">Notes</h4>
+				<div class="value"></div>
+			</div>
+		</div>
+
+		<script src="../../plugin/markdown/marked.js"></script>
+		<script>
+
+			(function() {
+
+				var notes,
+					notesValue,
+					currentState,
+					currentSlide,
+					upcomingSlide,
+					connected = false;
+
+				window.addEventListener( 'message', function( event ) {
+
+					var data = JSON.parse( event.data );
+
+					// Messages sent by the notes plugin inside of the main window
+					if( data && data.namespace === 'reveal-notes' ) {
+						if( data.type === 'connect' ) {
+							handleConnectMessage( data );
+						}
+						else if( data.type === 'state' ) {
+							handleStateMessage( data );
+						}
+					}
+					// Messages sent by the reveal.js inside of the current slide preview
+					else if( data && data.namespace === 'reveal' ) {
+						if( /ready/.test( data.eventName ) ) {
+							// Send a message back to notify that the handshake is complete
+							window.opener.postMessage( JSON.stringify({ namespace: 'reveal-notes', type: 'connected'} ), '*' );
+						}
+						else if( /slidechanged|fragmentshown|fragmenthidden|overviewshown|overviewhidden|paused|resumed/.test( data.eventName ) && currentState !== JSON.stringify( data.state ) ) {
+							window.opener.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ]} ), '*' );
+						}
+					}
+
+				} );
+
+				/**
+				 * Called when the main window is trying to establish a
+				 * connection.
+				 */
+				function handleConnectMessage( data ) {
+
+					if( connected === false ) {
+						connected = true;
+
+						setupIframes( data );
+						setupKeyboard();
+						setupNotes();
+						setupTimer();
+					}
+
+				}
+
+				/**
+				 * Called when the main window sends an updated state.
+				 */
+				function handleStateMessage( data ) {
+
+					// Store the most recently set state to avoid circular loops
+					// applying the same state
+					currentState = JSON.stringify( data.state );
+
+					// No need for updating the notes in case of fragment changes
+					if ( data.notes ) {
+						notes.classList.remove( 'hidden' );
+						if( data.markdown ) {
+							notesValue.innerHTML = marked( data.notes );
+						}
+						else {
+							notesValue.innerHTML = data.notes;
+						}
+					}
+					else {
+						notes.classList.add( 'hidden' );
+					}
+
+					// Update the note slides
+					currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
+					upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
+					upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'next' }), '*' );
+
+				}
+
+				// Limit to max one state update per X ms
+				handleStateMessage = debounce( handleStateMessage, 200 );
+
+				/**
+				 * Forward keyboard events to the current slide window.
+				 * This enables keyboard events to work even if focus
+				 * isn't set on the current slide iframe.
+				 */
+				function setupKeyboard() {
+
+					document.addEventListener( 'keydown', function( event ) {
+						currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'triggerKey', args: [ event.keyCode ] }), '*' );
+					} );
+
+				}
+
+				/**
+				 * Creates the preview iframes.
+				 */
+				function setupIframes( data ) {
+
+					var params = [
+						'receiver',
+						'progress=false',
+						'history=false',
+						'transition=none',
+						'autoSlide=0',
+						'backgroundTransition=none'
+					].join( '&' );
+
+					var hash = '#/' + data.state.indexh + '/' + data.state.indexv;
+					var currentURL = data.url + '?' + params + '&postMessageEvents=true' + hash;
+					var upcomingURL = data.url + '?' + params + '&controls=false' + hash;
+
+					currentSlide = document.createElement( 'iframe' );
+					currentSlide.setAttribute( 'width', 1280 );
+					currentSlide.setAttribute( 'height', 1024 );
+					currentSlide.setAttribute( 'src', currentURL );
+					document.querySelector( '#current-slide' ).appendChild( currentSlide );
+
+					upcomingSlide = document.createElement( 'iframe' );
+					upcomingSlide.setAttribute( 'width', 640 );
+					upcomingSlide.setAttribute( 'height', 512 );
+					upcomingSlide.setAttribute( 'src', upcomingURL );
+					document.querySelector( '#upcoming-slide' ).appendChild( upcomingSlide );
+
+				}
+
+				/**
+				 * Setup the notes UI.
+				 */
+				function setupNotes() {
+
+					notes = document.querySelector( '.speaker-controls-notes' );
+					notesValue = document.querySelector( '.speaker-controls-notes .value' );
+
+				}
+
+				/**
+				 * Create the timer and clock and start updating them
+				 * at an interval.
+				 */
+				function setupTimer() {
+
+					var start = new Date(),
+						timeEl = document.querySelector( '.speaker-controls-time' ),
+						clockEl = timeEl.querySelector( '.clock-value' ),
+						hoursEl = timeEl.querySelector( '.hours-value' ),
+						minutesEl = timeEl.querySelector( '.minutes-value' ),
+						secondsEl = timeEl.querySelector( '.seconds-value' );
+
+					function _updateTimer() {
+
+						var diff, hours, minutes, seconds,
+							now = new Date();
+
+						diff = now.getTime() - start.getTime();
+						hours = Math.floor( diff / ( 1000 * 60 * 60 ) );
+						minutes = Math.floor( ( diff / ( 1000 * 60 ) ) % 60 );
+						seconds = Math.floor( ( diff / 1000 ) % 60 );
+
+						clockEl.innerHTML = now.toLocaleTimeString( 'en-US', { hour12: true, hour: '2-digit', minute:'2-digit' } );
+						hoursEl.innerHTML = zeroPadInteger( hours );
+						hoursEl.className = hours > 0 ? '' : 'mute';
+						minutesEl.innerHTML = ':' + zeroPadInteger( minutes );
+						minutesEl.className = minutes > 0 ? '' : 'mute';
+						secondsEl.innerHTML = ':' + zeroPadInteger( seconds );
+
+					}
+
+					// Update once directly
+					_updateTimer();
+
+					// Then update every second
+					setInterval( _updateTimer, 1000 );
+
+					timeEl.addEventListener( 'click', function() {
+						start = new Date();
+						_updateTimer();
+						return false;
+					} );
+
+				}
+
+				function zeroPadInteger( num ) {
+
+					var str = '00' + parseInt( num );
+					return str.substring( str.length - 2 );
+
+				}
+
+				/**
+				 * Limits the frequency at which a function can be called.
+				 */
+				function debounce( fn, ms ) {
+
+					var lastTime = 0,
+						timeout;
+
+					return function() {
+
+						var args = arguments;
+						var context = this;
+
+						clearTimeout( timeout );
+
+						var timeSinceLastCall = Date.now() - lastTime;
+						if( timeSinceLastCall > ms ) {
+							fn.apply( context, args );
+							lastTime = Date.now();
+						}
+						else {
+							timeout = setTimeout( function() {
+								fn.apply( context, args );
+								lastTime = Date.now();
+							}, ms - timeSinceLastCall );
+						}
+
+					}
+
+				}
+
+			})();
+
+		</script>
+	</body>
+</html>
diff --git a/public/plugin/notes/notes.js b/public/plugin/notes/notes.js
new file mode 100644
index 00000000..e42329d2
--- /dev/null
+++ b/public/plugin/notes/notes.js
@@ -0,0 +1,122 @@
+/**
+ * Handles opening of and synchronization with the reveal.js
+ * notes window.
+ *
+ * Handshake process:
+ * 1. This window posts 'connect' to notes window
+ *    - Includes URL of presentation to show
+ * 2. Notes window responds with 'connected' when it is available
+ * 3. This window proceeds to send the current presentation state
+ *    to the notes window
+ */
+var RevealNotes = (function() {
+
+	function openNotes() {
+		var jsFileLocation = document.querySelector('script[src$="notes.js"]').src;  // this js file path
+		jsFileLocation = jsFileLocation.replace(/notes\.js(\?.*)?$/, '');   // the js folder path
+		var notesPopup = window.open( jsFileLocation + 'notes.html', 'reveal.js - Notes', 'width=1100,height=700' );
+
+		/**
+		 * Connect to the notes window through a postmessage handshake.
+		 * Using postmessage enables us to work in situations where the
+		 * origins differ, such as a presentation being opened from the
+		 * file system.
+		 */
+		function connect() {
+			// Keep trying to connect until we get a 'connected' message back
+			var connectInterval = setInterval( function() {
+				notesPopup.postMessage( JSON.stringify( {
+					namespace: 'reveal-notes',
+					type: 'connect',
+					url: window.location.protocol + '//' + window.location.host + window.location.pathname + window.location.search,
+					state: Reveal.getState()
+				} ), '*' );
+			}, 500 );
+
+			window.addEventListener( 'message', function( event ) {
+				var data = JSON.parse( event.data );
+				if( data && data.namespace === 'reveal-notes' && data.type === 'connected' ) {
+					clearInterval( connectInterval );
+					onConnected();
+				}
+			} );
+		}
+
+		/**
+		 * Posts the current slide data to the notes window
+		 */
+		function post() {
+
+			var slideElement = Reveal.getCurrentSlide(),
+				notesElement = slideElement.querySelector( 'aside.notes' );
+
+			var messageData = {
+				namespace: 'reveal-notes',
+				type: 'state',
+				notes: '',
+				markdown: false,
+				state: Reveal.getState()
+			};
+
+			// Look for notes defined in a slide attribute
+			if( slideElement.hasAttribute( 'data-notes' ) ) {
+				messageData.notes = slideElement.getAttribute( 'data-notes' );
+			}
+
+			// Look for notes defined in an aside element
+			if( notesElement ) {
+				messageData.notes = notesElement.innerHTML;
+				messageData.markdown = typeof notesElement.getAttribute( 'data-markdown' ) === 'string';
+			}
+
+			notesPopup.postMessage( JSON.stringify( messageData ), '*' );
+
+		}
+
+		/**
+		 * Called once we have established a connection to the notes
+		 * window.
+		 */
+		function onConnected() {
+
+			// Monitor events that trigger a change in state
+			Reveal.addEventListener( 'slidechanged', post );
+			Reveal.addEventListener( 'fragmentshown', post );
+			Reveal.addEventListener( 'fragmenthidden', post );
+			Reveal.addEventListener( 'overviewhidden', post );
+			Reveal.addEventListener( 'overviewshown', post );
+			Reveal.addEventListener( 'paused', post );
+			Reveal.addEventListener( 'resumed', post );
+
+			// Post the initial state
+			post();
+
+		}
+
+		connect();
+	}
+
+	if( !/receiver/i.test( window.location.search ) ) {
+
+		// If the there's a 'notes' query set, open directly
+		if( window.location.search.match( /(\?|\&)notes/gi ) !== null ) {
+			openNotes();
+		}
+
+		// Open the notes when the 's' key is hit
+		document.addEventListener( 'keydown', function( event ) {
+			// Disregard the event if the target is editable or a
+			// modifier is present
+			if ( document.querySelector( ':focus' ) !== null || event.shiftKey || event.altKey || event.ctrlKey || event.metaKey ) return;
+
+			if( event.keyCode === 83 ) {
+				event.preventDefault();
+				openNotes();
+			}
+		}, false );
+
+	}
+
+	return { open: openNotes };
+
+})();
author	jackycute	2015-11-28 21:57:35 -0600
committer	jackycute	2015-11-28 21:57:35 -0600
commit	d6dec55a07ceacbc21aa211b90c18fcf0d189013 (patch)
tree	b6f43191518b16f74ca33b1406567a0ffcaa6f32 /public/plugin/notes
parent	75ae505a1544d8999e6705aad7ed96ff5a6eb0e5 (diff)
parent	f51b7370f030c5cd1235fa7a23514a7e1ccef2dd (diff)