update server side notes to match client side plugin
This commit is contained in:
		| @@ -1,55 +1,28 @@ | ||||
| (function() { | ||||
|  | ||||
| 	// don't emit events from inside the previews themselves | ||||
| 	if( window.location.search.match( /receiver/gi ) ) { return; } | ||||
|  | ||||
| 	var socket = io.connect( window.location.origin ); | ||||
| 	var socketId = Math.random().toString().slice( 2 ); | ||||
| 	var socket = io.connect( window.location.origin ), | ||||
| 		socketId = Math.random().toString().slice( 2 ); | ||||
|  | ||||
| 	console.log( 'View slide notes at ' + window.location.origin + '/notes/' + socketId ); | ||||
|  | ||||
| 	window.open( window.location.origin + '/notes/' + socketId, 'notes-' + socketId ); | ||||
|  | ||||
| 	// Fires when a fragment is shown | ||||
| 	Reveal.addEventListener( 'fragmentshown', function( event ) { | ||||
| 		var fragmentData = { | ||||
| 			fragment : 'next', | ||||
| 			socketId : socketId | ||||
| 		}; | ||||
| 		socket.emit('fragmentchanged', fragmentData); | ||||
| 	} ); | ||||
| 	/** | ||||
| 	 * Posts the current slide data to the notes window | ||||
| 	 */ | ||||
| 	function post() { | ||||
|  | ||||
| 	// Fires when a fragment is hidden | ||||
| 	Reveal.addEventListener( 'fragmenthidden', function( event ) { | ||||
| 		var fragmentData = { | ||||
| 			fragment : 'previous', | ||||
| 			socketId : socketId | ||||
| 		}; | ||||
| 		socket.emit( 'fragmentchanged', fragmentData ); | ||||
| 	} ); | ||||
|  | ||||
| 	// Fires when slide is changed | ||||
| 	Reveal.addEventListener( 'slidechanged', function( event ) { | ||||
| 		var nextindexh, | ||||
| 			nextindexv, | ||||
| 			slideElement = event.currentSlide, | ||||
| 		var slideElement = Reveal.getCurrentSlide(), | ||||
| 			notesElement = slideElement.querySelector( 'aside.notes' ); | ||||
|  | ||||
| 		if( slideElement.nextElementSibling && slideElement.parentNode.nodeName == 'SECTION' ) { | ||||
| 			nextindexh = event.indexh; | ||||
| 			nextindexv = event.indexv + 1; | ||||
| 		} else { | ||||
| 			nextindexh = event.indexh + 1; | ||||
| 			nextindexv = 0; | ||||
| 		} | ||||
|  | ||||
| 		var messageData = { | ||||
| 			notes: '', | ||||
| 			indexh : event.indexh, | ||||
| 			indexv : event.indexv, | ||||
| 			nextindexh : nextindexh, | ||||
| 			nextindexv : nextindexv, | ||||
| 			markdown: false, | ||||
| 			socketId: socketId, | ||||
| 			markdown : false | ||||
| 			state: Reveal.getState() | ||||
| 		}; | ||||
|  | ||||
| 		// Look for notes defined in a slide attribute | ||||
| @@ -63,6 +36,20 @@ | ||||
| 			messageData.markdown = typeof notesElement.getAttribute( 'data-markdown' ) === 'string'; | ||||
| 		} | ||||
|  | ||||
| 		socket.emit( 'slidechanged', messageData ); | ||||
| 	} ); | ||||
| 		socket.emit( 'state', messageData ); | ||||
|  | ||||
| 	} | ||||
|  | ||||
| 	// 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(); | ||||
|  | ||||
| }()); | ||||
|   | ||||
| @@ -15,33 +15,36 @@ var opts = { | ||||
| }; | ||||
|  | ||||
| io.sockets.on( 'connection', function( socket ) { | ||||
| 	socket.on('slidechanged', function(slideData) { | ||||
| 		socket.broadcast.emit('slidedata', slideData); | ||||
| 	}); | ||||
| 	socket.on('fragmentchanged', function(fragmentData) { | ||||
| 		socket.broadcast.emit('fragmentdata', fragmentData); | ||||
|  | ||||
| 	socket.on( 'state', function( state ) { | ||||
| 		socket.broadcast.emit( 'state', state ); | ||||
| 	}); | ||||
|  | ||||
| }); | ||||
|  | ||||
| app.configure( function() { | ||||
|  | ||||
| 	[ 'css', 'js', 'images', 'plugin', 'lib' ].forEach( function( dir ) { | ||||
| 		app.use( '/' + dir, staticDir( opts.baseDir + dir ) ); | ||||
| 	}); | ||||
|  | ||||
| }); | ||||
|  | ||||
| app.get("/", function(req, res) { | ||||
| app.get('/', function( req, res ) { | ||||
|  | ||||
| 	res.writeHead( 200, { 'Content-Type': 'text/html' } ); | ||||
| 	fs.createReadStream( opts.baseDir + '/index.html' ).pipe( res ); | ||||
|  | ||||
| }); | ||||
|  | ||||
| app.get("/notes/:socketId", function(req, res) { | ||||
| app.get( '/notes/:socketId', function( req, res ) { | ||||
|  | ||||
| 	fs.readFile( opts.baseDir + 'plugin/notes-server/notes.html', function( err, data ) { | ||||
| 		res.send( Mustache.to_html( data.toString(), { | ||||
| 			socketId : req.params.socketId | ||||
| 		})); | ||||
| 	}); | ||||
| 	// fs.createReadStream(opts.baseDir + 'notes-server/notes.html').pipe(res); | ||||
|  | ||||
| }); | ||||
|  | ||||
| // Actually listen | ||||
| @@ -51,9 +54,9 @@ var brown = '\033[33m', | ||||
| 	green = '\033[32m', | ||||
| 	reset = '\033[0m'; | ||||
|  | ||||
| var slidesLocation = "http://localhost" + ( opts.port ? ( ':' + opts.port ) : '' ); | ||||
| var slidesLocation = 'http://localhost' + ( opts.port ? ( ':' + opts.port ) : '' ); | ||||
|  | ||||
| console.log( brown + "reveal.js - Speaker Notes" + reset ); | ||||
| console.log( "1. Open the slides at " + green + slidesLocation + reset ); | ||||
| console.log( "2. Click on the link your JS console to go to the notes page" ); | ||||
| console.log( "3. Advance through your slides and your notes will advance automatically" ); | ||||
| console.log( brown + 'reveal.js - Speaker Notes' + reset ); | ||||
| console.log( '1. Open the slides at ' + green + slidesLocation + reset ); | ||||
| console.log( '2. Click on the link your JS console to go to the notes page' ); | ||||
| console.log( '3. Advance through your slides and your notes will advance automatically' ); | ||||
|   | ||||
| @@ -3,8 +3,6 @@ | ||||
| 	<head> | ||||
| 		<meta charset="utf-8"> | ||||
|  | ||||
| 		<meta name="viewport" content="width=1150"> | ||||
|  | ||||
| 		<title>reveal.js - Slide Notes</title> | ||||
|  | ||||
| 		<style> | ||||
| @@ -12,130 +10,374 @@ | ||||
| 				font-family: Helvetica; | ||||
| 			} | ||||
|  | ||||
| 			#notes { | ||||
| 				font-size: 24px; | ||||
| 				width: 640px; | ||||
| 				margin-top: 5px; | ||||
| 				clear: left; | ||||
| 			#current-slide, | ||||
| 			#upcoming-slide, | ||||
| 			#speaker-controls { | ||||
| 				padding: 6px; | ||||
| 				box-sizing: border-box; | ||||
| 				-moz-box-sizing: border-box; | ||||
| 			} | ||||
|  | ||||
| 			#wrap-current-slide { | ||||
| 				width: 640px; | ||||
| 				height: 512px; | ||||
| 				float: left; | ||||
| 				overflow: hidden; | ||||
| 			#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 { | ||||
| 				width: 1280px; | ||||
| 				height: 1024px; | ||||
| 				border: none; | ||||
|  | ||||
| 				-webkit-transform-origin: 0 0; | ||||
| 				   -moz-transform-origin: 0 0; | ||||
| 				    -ms-transform-origin: 0 0; | ||||
| 				     -o-transform-origin: 0 0; | ||||
| 				        transform-origin: 0 0; | ||||
|  | ||||
| 				-webkit-transform: scale(0.5); | ||||
| 				   -moz-transform: scale(0.5); | ||||
| 				    -ms-transform: scale(0.5); | ||||
| 				     -o-transform: scale(0.5); | ||||
| 				        transform: scale(0.5); | ||||
| 			} | ||||
|  | ||||
| 			#wrap-next-slide { | ||||
| 				width: 448px; | ||||
| 				height: 358px; | ||||
| 				float: left; | ||||
| 				margin: 0 0 0 10px; | ||||
| 				overflow: hidden; | ||||
| 			} | ||||
|  | ||||
| 			#next-slide { | ||||
| 				width: 1280px; | ||||
| 				height: 1024px; | ||||
| 				border: none; | ||||
|  | ||||
| 				-webkit-transform-origin: 0 0; | ||||
| 				   -moz-transform-origin: 0 0; | ||||
| 				    -ms-transform-origin: 0 0; | ||||
| 				     -o-transform-origin: 0 0; | ||||
| 				        transform-origin: 0 0; | ||||
|  | ||||
| 				-webkit-transform: scale(0.35); | ||||
| 				   -moz-transform: scale(0.35); | ||||
| 				    -ms-transform: scale(0.35); | ||||
| 				     -o-transform: scale(0.35); | ||||
| 				        transform: scale(0.35); | ||||
| 			} | ||||
|  | ||||
| 			.slides { | ||||
| 				position: relative; | ||||
| 				margin-bottom: 10px; | ||||
| 				border: 1px solid black; | ||||
| 				border-radius: 2px; | ||||
| 				background: rgb(28, 30, 32); | ||||
| 			} | ||||
|  | ||||
| 			.slides span { | ||||
| 				position: absolute; | ||||
| 				top: 3px; | ||||
| 				left: 3px; | ||||
| 				font-weight: bold; | ||||
| 				font-size: 14px; | ||||
| 				color: rgba( 255, 255, 255, 0.9 ); | ||||
| 				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%; | ||||
|  | ||||
| 				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="wrap-current-slide" class="slides"> | ||||
| 			<iframe src="/?receiver" width="1280" height="1024" id="current-slide"></iframe> | ||||
| 		<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 id="wrap-next-slide" class="slides"> | ||||
| 			<iframe src="/?receiver" width="640" height="512" id="next-slide"></iframe> | ||||
| 			<span>UPCOMING:</span> | ||||
| 			<div class="speaker-controls-notes hidden"> | ||||
| 				<h4 class="label">Notes</h4> | ||||
| 				<div class="value"></div> | ||||
| 			</div> | ||||
| 		</div> | ||||
| 		<div id="notes"></div> | ||||
|  | ||||
| 		<script src="/socket.io/socket.io.js"></script> | ||||
| 		<script src="/plugin/markdown/marked.js"></script> | ||||
|  | ||||
| 		<script> | ||||
| 		var socketId = '{{socketId}}'; | ||||
| 		var socket = io.connect(window.location.origin); | ||||
| 		var notes = document.getElementById('notes'); | ||||
| 		var currentSlide = document.getElementById('current-slide'); | ||||
| 		var nextSlide = document.getElementById('next-slide'); | ||||
| 		(function() { | ||||
|  | ||||
| 			var notes, | ||||
| 				notesValue, | ||||
| 				currentState, | ||||
| 				currentSlide, | ||||
| 				upcomingSlide, | ||||
| 				connected = false; | ||||
|  | ||||
| 			var socket = io.connect( window.location.origin ), | ||||
| 				socketId = '{{socketId}}'; | ||||
|  | ||||
| 			socket.on( 'state', function( data ) { | ||||
|  | ||||
| 		socket.on('slidedata', function(data) { | ||||
| 				// ignore data from sockets that aren't ours | ||||
| 				if( data.socketId !== socketId ) { return; } | ||||
|  | ||||
| 				if( connected === false ) { | ||||
| 					connected = true; | ||||
|  | ||||
| 					setupIframes( data ); | ||||
| 					setupKeyboard(); | ||||
| 					setupNotes(); | ||||
| 					setupTimer(); | ||||
|  | ||||
| 				} | ||||
|  | ||||
| 				handleStateMessage( data ); | ||||
|  | ||||
| 			} ); | ||||
|  | ||||
| 			/** | ||||
| 			 * 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 ) { | ||||
| 				notes.innerHTML = marked(data.notes); | ||||
| 						notesValue.innerHTML = marked( data.notes ); | ||||
| 					} | ||||
| 					else { | ||||
| 				notes.innerHTML = data.notes; | ||||
| 						notesValue.innerHTML = data.notes; | ||||
| 					} | ||||
| 				} | ||||
| 				else { | ||||
| 					notes.classList.add( 'hidden' ); | ||||
| 				} | ||||
|  | ||||
| 			currentSlide.contentWindow.Reveal.slide(data.indexh, data.indexv); | ||||
| 			nextSlide.contentWindow.Reveal.slide(data.nextindexh, data.nextindexv); | ||||
| 		}); | ||||
| 		socket.on('fragmentdata', function(data) { | ||||
| 			// ignore data from sockets that aren't ours | ||||
| 			if (data.socketId !== socketId) { return; } | ||||
| 				// 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' }), '*' ); | ||||
|  | ||||
| 			if (data.fragment === 'next') { | ||||
| 				currentSlide.contentWindow.Reveal.nextFragment(); | ||||
| 			} | ||||
| 			else if (data.fragment === 'previous') { | ||||
| 				currentSlide.contentWindow.Reveal.prevFragment(); | ||||
| 			} | ||||
|  | ||||
| 			// 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', | ||||
| 					'backgroundTransition=none' | ||||
| 				].join( '&' ); | ||||
|  | ||||
| 				var hash = '#/' + data.state.indexh + '/' + data.state.indexv; | ||||
| 				var currentURL = '/?' + params + hash; | ||||
| 				var upcomingURL = '/?' + 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> | ||||
|   | ||||
		Reference in New Issue
	
	Block a user