update server side notes to match client side plugin
This commit is contained in:
Hakim El Hattab
parent
54e256764c
commit
4c5b15d0b9
3 changed files with 395 additions and 163 deletions
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@ -1,55 +1,28 @@
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(function() {
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// don't emit events from inside the previews themselves
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if( window.location.search.match( /receiver/gi ) ) { return; }
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var socket = io.connect( window.location.origin );
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var socketId = Math.random().toString().slice( 2 );
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var socket = io.connect( window.location.origin ),
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socketId = Math.random().toString().slice( 2 );
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console.log( 'View slide notes at ' + window.location.origin + '/notes/' + socketId );
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window.open( window.location.origin + '/notes/' + socketId, 'notes-' + socketId );
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// Fires when a fragment is shown
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Reveal.addEventListener( 'fragmentshown', function( event ) {
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var fragmentData = {
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fragment : 'next',
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socketId : socketId
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};
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socket.emit('fragmentchanged', fragmentData);
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} );
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/**
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* Posts the current slide data to the notes window
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*/
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function post() {
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// Fires when a fragment is hidden
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Reveal.addEventListener( 'fragmenthidden', function( event ) {
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var fragmentData = {
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fragment : 'previous',
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socketId : socketId
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};
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socket.emit( 'fragmentchanged', fragmentData );
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} );
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// Fires when slide is changed
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Reveal.addEventListener( 'slidechanged', function( event ) {
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var nextindexh,
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nextindexv,
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slideElement = event.currentSlide,
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var slideElement = Reveal.getCurrentSlide(),
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notesElement = slideElement.querySelector( 'aside.notes' );
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if( slideElement.nextElementSibling && slideElement.parentNode.nodeName == 'SECTION' ) {
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nextindexh = event.indexh;
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nextindexv = event.indexv + 1;
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} else {
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nextindexh = event.indexh + 1;
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nextindexv = 0;
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}
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var messageData = {
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notes : '',
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indexh : event.indexh,
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indexv : event.indexv,
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nextindexh : nextindexh,
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nextindexv : nextindexv,
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socketId : socketId,
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markdown : false
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notes: '',
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markdown: false,
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socketId: socketId,
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state: Reveal.getState()
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};
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// Look for notes defined in a slide attribute
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@ -63,6 +36,20 @@
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messageData.markdown = typeof notesElement.getAttribute( 'data-markdown' ) === 'string';
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}
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socket.emit( 'slidechanged', messageData );
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} );
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socket.emit( 'state', messageData );
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}
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// Monitor events that trigger a change in state
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Reveal.addEventListener( 'slidechanged', post );
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Reveal.addEventListener( 'fragmentshown', post );
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Reveal.addEventListener( 'fragmenthidden', post );
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Reveal.addEventListener( 'overviewhidden', post );
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Reveal.addEventListener( 'overviewshown', post );
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Reveal.addEventListener( 'paused', post );
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Reveal.addEventListener( 'resumed', post );
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// Post the initial state
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post();
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}());
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@ -14,46 +14,49 @@ var opts = {
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baseDir : __dirname + '/../../'
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};
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io.sockets.on('connection', function(socket) {
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socket.on('slidechanged', function(slideData) {
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socket.broadcast.emit('slidedata', slideData);
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});
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socket.on('fragmentchanged', function(fragmentData) {
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socket.broadcast.emit('fragmentdata', fragmentData);
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io.sockets.on( 'connection', function( socket ) {
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socket.on( 'state', function( state ) {
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socket.broadcast.emit( 'state', state );
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});
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});
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app.configure(function() {
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[ 'css', 'js', 'images', 'plugin', 'lib' ].forEach(function(dir) {
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app.use('/' + dir, staticDir(opts.baseDir + dir));
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app.configure( function() {
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[ 'css', 'js', 'images', 'plugin', 'lib' ].forEach( function( dir ) {
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app.use( '/' + dir, staticDir( opts.baseDir + dir ) );
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});
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});
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app.get("/", function(req, res) {
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res.writeHead(200, {'Content-Type': 'text/html'});
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fs.createReadStream(opts.baseDir + '/index.html').pipe(res);
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app.get('/', function( req, res ) {
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res.writeHead( 200, { 'Content-Type': 'text/html' } );
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fs.createReadStream( opts.baseDir + '/index.html' ).pipe( res );
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});
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app.get("/notes/:socketId", function(req, res) {
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app.get( '/notes/:socketId', function( req, res ) {
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fs.readFile(opts.baseDir + 'plugin/notes-server/notes.html', function(err, data) {
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res.send(Mustache.to_html(data.toString(), {
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fs.readFile( opts.baseDir + 'plugin/notes-server/notes.html', function( err, data ) {
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res.send( Mustache.to_html( data.toString(), {
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socketId : req.params.socketId
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}));
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});
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// fs.createReadStream(opts.baseDir + 'notes-server/notes.html').pipe(res);
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});
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// Actually listen
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app.listen(opts.port || null);
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app.listen( opts.port || null );
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var brown = '\033[33m',
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green = '\033[32m',
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reset = '\033[0m';
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var slidesLocation = "http://localhost" + ( opts.port ? ( ':' + opts.port ) : '' );
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var slidesLocation = 'http://localhost' + ( opts.port ? ( ':' + opts.port ) : '' );
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console.log( brown + "reveal.js - Speaker Notes" + reset );
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console.log( "1. Open the slides at " + green + slidesLocation + reset );
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console.log( "2. Click on the link your JS console to go to the notes page" );
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console.log( "3. Advance through your slides and your notes will advance automatically" );
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console.log( brown + 'reveal.js - Speaker Notes' + reset );
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console.log( '1. Open the slides at ' + green + slidesLocation + reset );
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console.log( '2. Click on the link your JS console to go to the notes page' );
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console.log( '3. Advance through your slides and your notes will advance automatically' );
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@ -3,8 +3,6 @@
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=1150">
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<title>reveal.js - Slide Notes</title>
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<style>
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@ -12,130 +10,374 @@
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font-family: Helvetica;
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}
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#notes {
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font-size: 24px;
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width: 640px;
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margin-top: 5px;
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clear: left;
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#current-slide,
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#upcoming-slide,
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#speaker-controls {
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padding: 6px;
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box-sizing: border-box;
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-moz-box-sizing: border-box;
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}
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#wrap-current-slide {
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width: 640px;
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height: 512px;
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float: left;
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overflow: hidden;
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#current-slide iframe,
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#upcoming-slide iframe {
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width: 100%;
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height: 100%;
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border: 1px solid #ddd;
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}
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#current-slide .label,
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#upcoming-slide .label {
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position: absolute;
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top: 10px;
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left: 10px;
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font-weight: bold;
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font-size: 14px;
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z-index: 2;
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color: rgba( 255, 255, 255, 0.9 );
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}
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#current-slide {
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width: 1280px;
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height: 1024px;
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border: none;
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-webkit-transform-origin: 0 0;
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-moz-transform-origin: 0 0;
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-ms-transform-origin: 0 0;
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-o-transform-origin: 0 0;
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transform-origin: 0 0;
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-webkit-transform: scale(0.5);
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-moz-transform: scale(0.5);
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-ms-transform: scale(0.5);
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-o-transform: scale(0.5);
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transform: scale(0.5);
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}
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#wrap-next-slide {
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width: 448px;
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height: 358px;
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float: left;
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margin: 0 0 0 10px;
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overflow: hidden;
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}
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#next-slide {
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width: 1280px;
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height: 1024px;
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border: none;
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-webkit-transform-origin: 0 0;
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-moz-transform-origin: 0 0;
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-ms-transform-origin: 0 0;
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-o-transform-origin: 0 0;
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transform-origin: 0 0;
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-webkit-transform: scale(0.35);
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-moz-transform: scale(0.35);
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-ms-transform: scale(0.35);
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-o-transform: scale(0.35);
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transform: scale(0.35);
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}
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.slides {
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position: relative;
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margin-bottom: 10px;
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border: 1px solid black;
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border-radius: 2px;
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background: rgb(28, 30, 32);
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}
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.slides span {
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position: absolute;
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top: 3px;
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left: 3px;
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font-weight: bold;
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font-size: 14px;
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color: rgba( 255, 255, 255, 0.9 );
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width: 65%;
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height: 100%;
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top: 0;
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left: 0;
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padding-right: 0;
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}
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#upcoming-slide {
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position: absolute;
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width: 35%;
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height: 40%;
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right: 0;
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top: 0;
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}
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#speaker-controls {
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position: absolute;
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top: 40%;
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right: 0;
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width: 35%;
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height: 60%;
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font-size: 18px;
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}
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.speaker-controls-time.hidden,
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.speaker-controls-notes.hidden {
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display: none;
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}
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.speaker-controls-time .label,
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.speaker-controls-notes .label {
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text-transform: uppercase;
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font-weight: normal;
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font-size: 0.66em;
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color: #666;
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margin: 0;
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}
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.speaker-controls-time {
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border-bottom: 1px solid rgba( 200, 200, 200, 0.5 );
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margin-bottom: 10px;
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padding: 10px 16px;
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padding-bottom: 20px;
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cursor: pointer;
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}
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.speaker-controls-time .reset-button {
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opacity: 0;
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float: right;
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color: #666;
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text-decoration: none;
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}
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.speaker-controls-time:hover .reset-button {
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opacity: 1;
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}
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.speaker-controls-time .timer,
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.speaker-controls-time .clock {
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width: 50%;
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font-size: 1.9em;
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}
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.speaker-controls-time .timer {
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float: left;
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}
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.speaker-controls-time .clock {
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float: right;
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text-align: right;
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}
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.speaker-controls-time span.mute {
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color: #bbb;
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}
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.speaker-controls-notes {
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padding: 10px 16px;
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}
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.speaker-controls-notes .value {
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margin-top: 5px;
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line-height: 1.4;
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font-size: 1.2em;
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}
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.clear {
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clear: both;
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}
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@media screen and (max-width: 1080px) {
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#speaker-controls {
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font-size: 16px;
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}
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}
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@media screen and (max-width: 900px) {
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#speaker-controls {
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font-size: 14px;
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}
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}
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@media screen and (max-width: 800px) {
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#speaker-controls {
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font-size: 12px;
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}
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}
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</style>
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</head>
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<body>
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<div id="wrap-current-slide" class="slides">
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<iframe src="/?receiver" width="1280" height="1024" id="current-slide"></iframe>
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</div>
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<div id="current-slide"></div>
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<div id="upcoming-slide"><span class="label">UPCOMING:</span></div>
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<div id="speaker-controls">
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<div class="speaker-controls-time">
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<h4 class="label">Time <span class="reset-button">Click to Reset</span></h4>
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<div class="clock">
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<span class="clock-value">0:00 AM</span>
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</div>
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<div class="timer">
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<span class="hours-value">00</span><span class="minutes-value">:00</span><span class="seconds-value">:00</span>
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</div>
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<div class="clear"></div>
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</div>
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<div id="wrap-next-slide" class="slides">
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<iframe src="/?receiver" width="640" height="512" id="next-slide"></iframe>
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<span>UPCOMING:</span>
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<div class="speaker-controls-notes hidden">
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<h4 class="label">Notes</h4>
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<div class="value"></div>
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</div>
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</div>
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<div id="notes"></div>
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<script src="/socket.io/socket.io.js"></script>
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<script src="/plugin/markdown/marked.js"></script>
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<script>
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var socketId = '{{socketId}}';
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var socket = io.connect(window.location.origin);
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var notes = document.getElementById('notes');
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var currentSlide = document.getElementById('current-slide');
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var nextSlide = document.getElementById('next-slide');
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(function() {
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socket.on('slidedata', function(data) {
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// ignore data from sockets that aren't ours
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if (data.socketId !== socketId) { return; }
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var notes,
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notesValue,
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currentState,
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currentSlide,
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upcomingSlide,
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connected = false;
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var socket = io.connect( window.location.origin ),
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socketId = '{{socketId}}';
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socket.on( 'state', function( data ) {
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// ignore data from sockets that aren't ours
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if( data.socketId !== socketId ) { return; }
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if( connected === false ) {
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connected = true;
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setupIframes( data );
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setupKeyboard();
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setupNotes();
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setupTimer();
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}
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handleStateMessage( data );
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} );
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/**
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* Called when the main window sends an updated state.
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*/
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function handleStateMessage( data ) {
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// Store the most recently set state to avoid circular loops
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// applying the same state
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currentState = JSON.stringify( data.state );
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// No need for updating the notes in case of fragment changes
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if ( data.notes ) {
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notes.classList.remove( 'hidden' );
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if( data.markdown ) {
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notesValue.innerHTML = marked( data.notes );
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}
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else {
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notesValue.innerHTML = data.notes;
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}
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}
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else {
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notes.classList.add( 'hidden' );
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}
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// Update the note slides
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currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
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upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
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upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'next' }), '*' );
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if (data.markdown) {
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notes.innerHTML = marked(data.notes);
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}
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else {
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notes.innerHTML = data.notes;
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}
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currentSlide.contentWindow.Reveal.slide(data.indexh, data.indexv);
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nextSlide.contentWindow.Reveal.slide(data.nextindexh, data.nextindexv);
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});
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socket.on('fragmentdata', function(data) {
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// ignore data from sockets that aren't ours
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if (data.socketId !== socketId) { return; }
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// Limit to max one state update per X ms
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handleStateMessage = debounce( handleStateMessage, 200 );
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/**
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* Forward keyboard events to the current slide window.
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* This enables keyboard events to work even if focus
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* isn't set on the current slide iframe.
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*/
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function setupKeyboard() {
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document.addEventListener( 'keydown', function( event ) {
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currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'triggerKey', args: [ event.keyCode ] }), '*' );
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} );
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if (data.fragment === 'next') {
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currentSlide.contentWindow.Reveal.nextFragment();
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}
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else if (data.fragment === 'previous') {
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currentSlide.contentWindow.Reveal.prevFragment();
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/**
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* Creates the preview iframes.
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*/
|
||||
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>
|
||||
|
|
|
|||
Loading…
Reference in a new issue