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@ -347,6 +347,8 @@
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upcomingSlide,
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layoutLabel,
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layoutDropdown,
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pendingCalls = {},
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lastRevealApiCallId = 0,
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connected = false;
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var SPEAKER_LAYOUTS = {
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@ -382,6 +384,10 @@
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else if( data.type === 'state' ) {
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handleStateMessage( data );
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}
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else if( data.type === 'return' ) {
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pendingCalls[data.callId](data.result);
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delete pendingCalls[data.callId];
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}
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}
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// Messages sent by the reveal.js inside of the current slide preview
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else if( data && data.namespace === 'reveal' ) {
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@ -398,6 +404,21 @@
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} );
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/**
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* Asynchronously calls the Reveal.js API of the main frame.
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*/
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function callRevealApi( methodName, methodArguments, callback ) {
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var callId = ++lastRevealApiCallId;
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pendingCalls[callId] = callback;
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window.opener.postMessage( JSON.stringify( {
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namespace: 'reveal-notes',
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type: 'call',
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callId: callId,
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methodName: methodName,
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arguments: methodArguments
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} ), '*' );
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}
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/**
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* Called when the main window is trying to establish a
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* connection.
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@ -512,28 +533,34 @@
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}
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function getTimings() {
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function getTimings( callback ) {
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var slides = Reveal.getSlides();
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var defaultTiming = Reveal.getConfig().defaultTiming;
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if (defaultTiming == null) {
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return null;
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}
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var timings = [];
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for ( var i in slides ) {
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var slide = slides[i];
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var timing = defaultTiming;
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if( slide.hasAttribute( 'data-timing' )) {
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var t = slide.getAttribute( 'data-timing' );
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timing = parseInt(t);
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if( isNaN(timing) ) {
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console.warn("Could not parse timing '" + t + "' of slide " + i + "; using default of " + defaultTiming);
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timing = defaultTiming;
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callRevealApi( 'getSlidesMetaInfo', [], function ( slides ) {
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callRevealApi( 'getConfig', [], function ( config ) {
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var defaultTiming = config.defaultTiming;
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if (defaultTiming == null) {
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callback(null);
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return;
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}
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}
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timings.push(timing);
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}
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return timings;
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var timings = [];
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for ( var i in slides ) {
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var slide = slides[ i ];
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var timing = defaultTiming;
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if( slide.hasOwnProperty( 'data-timing' )) {
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var t = slide[ 'data-timing' ];
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timing = parseInt(t);
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if( isNaN(timing) ) {
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console.warn("Could not parse timing '" + t + "' of slide " + i + "; using default of " + defaultTiming);
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timing = defaultTiming;
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}
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}
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timings.push(timing);
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}
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callback( timings );
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} );
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} );
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}
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@ -541,15 +568,15 @@
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* Return the number of seconds allocated for presenting
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* all slides up to and including this one.
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*/
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function getTimeAllocated(timings) {
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function getTimeAllocated( timings, callback ) {
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var slides = Reveal.getSlides();
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var allocated = 0;
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var currentSlide = Reveal.getSlidePastCount();
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for (var i in slides.slice(0, currentSlide + 1)) {
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allocated += timings[i];
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}
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return allocated;
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callRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {
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var allocated = 0;
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for (var i in timings.slice(0, currentSlide + 1)) {
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allocated += timings[i];
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}
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callback( allocated );
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} );
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}
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@ -571,12 +598,51 @@
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pacingMinutesEl = pacingEl.querySelector( '.minutes-value' ),
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pacingSecondsEl = pacingEl.querySelector( '.seconds-value' );
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var timings = getTimings();
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if (timings !== null) {
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pacingTitleEl.style.removeProperty('display');
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pacingEl.style.removeProperty('display');
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var timings = null;
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getTimings( function ( _timings ) {
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timings = _timings;
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if (_timings !== null) {
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pacingTitleEl.style.removeProperty('display');
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pacingEl.style.removeProperty('display');
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}
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// Update once directly
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_updateTimer();
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// Then update every second
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setInterval( _updateTimer, 1000 );
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} );
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function _resetTimer() {
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if (timings == null) {
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start = new Date();
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_updateTimer();
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}
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else {
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// Reset timer to beginning of current slide
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getTimeAllocated( timings, function ( slideEndTimingSeconds ) {
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var slideEndTiming = slideEndTimingSeconds * 1000;
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callRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {
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var currentSlideTiming = timings[currentSlide] * 1000;
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var previousSlidesTiming = slideEndTiming - currentSlideTiming;
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var now = new Date();
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start = new Date(now.getTime() - previousSlidesTiming);
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_updateTimer();
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} );
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} );
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}
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}
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timeEl.addEventListener( 'click', function() {
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_resetTimer();
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return false;
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} );
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function _displayTime( hrEl, minEl, secEl, time) {
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var sign = Math.sign(time) == -1 ? "-" : "";
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@ -618,52 +684,26 @@
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function _updatePacing(diff) {
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var slideEndTiming = getTimeAllocated(timings) * 1000;
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var currentSlide = Reveal.getSlidePastCount();
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var currentSlideTiming = timings[currentSlide] * 1000;
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var timeLeftCurrentSlide = slideEndTiming - diff;
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if (timeLeftCurrentSlide < 0) {
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pacingEl.className = 'pacing behind';
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}
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else if (timeLeftCurrentSlide < currentSlideTiming) {
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pacingEl.className = 'pacing on-track';
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}
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else {
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pacingEl.className = 'pacing ahead';
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}
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_displayTime( pacingHoursEl, pacingMinutesEl, pacingSecondsEl, timeLeftCurrentSlide );
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getTimeAllocated( timings, function ( slideEndTimingSeconds ) {
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var slideEndTiming = slideEndTimingSeconds * 1000;
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callRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {
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var currentSlideTiming = timings[currentSlide] * 1000;
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var timeLeftCurrentSlide = slideEndTiming - diff;
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if (timeLeftCurrentSlide < 0) {
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pacingEl.className = 'pacing behind';
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}
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else if (timeLeftCurrentSlide < currentSlideTiming) {
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pacingEl.className = 'pacing on-track';
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}
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else {
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pacingEl.className = 'pacing ahead';
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}
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_displayTime( pacingHoursEl, pacingMinutesEl, pacingSecondsEl, timeLeftCurrentSlide );
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} );
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} );
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}
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// Update once directly
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_updateTimer();
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// Then update every second
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setInterval( _updateTimer, 1000 );
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function _resetTimer() {
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if (timings == null) {
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start = new Date();
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}
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else {
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// Reset timer to beginning of current slide
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var slideEndTiming = getTimeAllocated(timings) * 1000;
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var currentSlide = Reveal.getSlidePastCount();
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var currentSlideTiming = timings[currentSlide] * 1000;
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var previousSlidesTiming = slideEndTiming - currentSlideTiming;
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var now = new Date();
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start = new Date(now.getTime() - previousSlidesTiming);
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}
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_updateTimer();
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}
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timeEl.addEventListener( 'click', function() {
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_resetTimer();
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return false;
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} );
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}
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/**
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