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|
- (function( root, factory ) {
- if( typeof define === 'function' && define.amd ) {
-
- define( function() {
- root.Reveal = factory();
- return root.Reveal;
- } );
- } else if( typeof exports === 'object' ) {
-
- module.exports = factory();
- } else {
-
- root.Reveal = factory();
- }
- }( this, function() {
- 'use strict';
- var Reveal;
-
- var VERSION = '3.9.2';
- var SLIDES_SELECTOR = '.slides section',
- HORIZONTAL_SLIDES_SELECTOR = '.slides>section',
- VERTICAL_SLIDES_SELECTOR = '.slides>section.present>section',
- HOME_SLIDE_SELECTOR = '.slides>section:first-of-type',
- UA = navigator.userAgent,
-
- POST_MESSAGE_METHOD_BLACKLIST = /registerPlugin|registerKeyboardShortcut|addKeyBinding|addEventListener/,
-
- config = {
-
-
- width: 960,
- height: 700,
-
- margin: 0.04,
-
- minScale: 0.2,
- maxScale: 2.0,
-
- controls: true,
-
-
- controlsTutorial: true,
-
- controlsLayout: 'bottom-right',
-
-
- controlsBackArrows: 'faded',
-
- progress: true,
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- slideNumber: false,
-
-
-
-
- showSlideNumber: 'all',
-
-
- hashOneBasedIndex: false,
-
-
- hash: false,
-
- history: false,
-
- keyboard: true,
-
- keyboardCondition: null,
-
- overview: true,
-
-
- disableLayout: false,
-
- center: true,
-
- touch: true,
-
- loop: false,
-
- rtl: false,
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- navigationMode: 'default',
-
- shuffle: false,
-
- fragments: true,
-
-
- fragmentInURL: false,
-
-
- embedded: false,
-
-
- help: true,
-
- pause: true,
-
- showNotes: false,
-
-
-
-
- autoPlayMedia: null,
-
-
-
-
-
- preloadIframes: null,
-
-
-
-
-
- autoSlide: 0,
-
- autoSlideStoppable: true,
-
- autoSlideMethod: null,
-
-
-
- defaultTiming: null,
-
- mouseWheel: false,
-
- rollingLinks: false,
-
- hideAddressBar: true,
-
-
-
- previewLinks: false,
-
- postMessage: true,
-
- postMessageEvents: false,
-
- focusBodyOnPageVisibilityChange: true,
-
- transition: 'slide',
-
- transitionSpeed: 'default',
-
- backgroundTransition: 'fade',
-
- parallaxBackgroundImage: '',
-
- parallaxBackgroundSize: '',
-
- parallaxBackgroundRepeat: '',
-
- parallaxBackgroundPosition: '',
-
- parallaxBackgroundHorizontal: null,
- parallaxBackgroundVertical: null,
-
-
- pdfMaxPagesPerSlide: Number.POSITIVE_INFINITY,
-
- pdfSeparateFragments: true,
-
-
-
-
-
- pdfPageHeightOffset: -1,
-
- viewDistance: 3,
-
-
-
- mobileViewDistance: 2,
-
- display: 'block',
-
- hideInactiveCursor: true,
-
- hideCursorTime: 5000,
-
- dependencies: []
- },
-
- initialized = false,
-
- loaded = false,
-
- overview = false,
-
- overviewSlideWidth = null,
- overviewSlideHeight = null,
-
- indexh,
- indexv,
-
- previousSlide,
- currentSlide,
- previousBackground,
-
- hasNavigatedRight = false,
- hasNavigatedDown = false,
-
-
-
- state = [],
-
- scale = 1,
-
-
- slidesTransform = { layout: '', overview: '' },
-
- dom = {},
-
- plugins = {},
-
- asyncDependencies = [],
-
- features = {},
-
- isMobileDevice,
-
- isChrome,
-
- lastMouseWheelStep = 0,
-
- writeURLTimeout = 0,
-
- cursorHidden = false,
-
- cursorInactiveTimeout = 0,
-
- eventsAreBound = false,
-
- autoSlide = 0,
-
- autoSlidePlayer,
- autoSlideTimeout = 0,
- autoSlideStartTime = -1,
- autoSlidePaused = false,
-
- touch = {
- startX: 0,
- startY: 0,
- startCount: 0,
- captured: false,
- threshold: 40
- },
-
-
- keyboardShortcuts = {},
-
- registeredKeyBindings = {};
-
- function initialize( options ) {
-
- if( initialized === true ) return;
- initialized = true;
- checkCapabilities();
- if( !features.transforms2d && !features.transforms3d ) {
- document.body.setAttribute( 'class', 'no-transforms' );
-
-
- var images = toArray( document.getElementsByTagName( 'img' ) ),
- iframes = toArray( document.getElementsByTagName( 'iframe' ) );
- var lazyLoadable = images.concat( iframes );
- for( var i = 0, len = lazyLoadable.length; i < len; i++ ) {
- var element = lazyLoadable[i];
- if( element.getAttribute( 'data-src' ) ) {
- element.setAttribute( 'src', element.getAttribute( 'data-src' ) );
- element.removeAttribute( 'data-src' );
- }
- }
-
-
- return;
- }
-
- dom.wrapper = document.querySelector( '.reveal' );
- dom.slides = document.querySelector( '.reveal .slides' );
-
- window.addEventListener( 'load', layout, false );
- var query = Reveal.getQueryHash();
-
-
- if( typeof query['dependencies'] !== 'undefined' ) delete query['dependencies'];
-
- extend( config, options );
- extend( config, query );
-
- hideAddressBar();
-
- load();
- }
-
- function checkCapabilities() {
- isMobileDevice = /(iphone|ipod|ipad|android)/gi.test( UA ) ||
- ( navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1 );
- isChrome = /chrome/i.test( UA ) && !/edge/i.test( UA );
- var testElement = document.createElement( 'div' );
- features.transforms3d = 'WebkitPerspective' in testElement.style ||
- 'MozPerspective' in testElement.style ||
- 'msPerspective' in testElement.style ||
- 'OPerspective' in testElement.style ||
- 'perspective' in testElement.style;
- features.transforms2d = 'WebkitTransform' in testElement.style ||
- 'MozTransform' in testElement.style ||
- 'msTransform' in testElement.style ||
- 'OTransform' in testElement.style ||
- 'transform' in testElement.style;
- features.requestAnimationFrameMethod = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
- features.requestAnimationFrame = typeof features.requestAnimationFrameMethod === 'function';
- features.canvas = !!document.createElement( 'canvas' ).getContext;
-
-
- features.overviewTransitions = !/Version\/[\d\.]+.*Safari/.test( UA );
-
-
-
- features.zoom = 'zoom' in testElement.style && !isMobileDevice &&
- ( isChrome || /Version\/[\d\.]+.*Safari/.test( UA ) );
- }
-
- function load() {
- var scripts = [],
- scriptsToLoad = 0;
- config.dependencies.forEach( function( s ) {
-
- if( !s.condition || s.condition() ) {
- if( s.async ) {
- asyncDependencies.push( s );
- }
- else {
- scripts.push( s );
- }
- }
- } );
- if( scripts.length ) {
- scriptsToLoad = scripts.length;
-
- scripts.forEach( function( s ) {
- loadScript( s.src, function() {
- if( typeof s.callback === 'function' ) s.callback();
- if( --scriptsToLoad === 0 ) {
- initPlugins();
- }
- } );
- } );
- }
- else {
- initPlugins();
- }
- }
-
- function initPlugins() {
- var pluginsToInitialize = Object.keys( plugins ).length;
-
- if( pluginsToInitialize === 0 ) {
- loadAsyncDependencies();
- }
-
- else {
- var afterPlugInitialized = function() {
- if( --pluginsToInitialize === 0 ) {
- loadAsyncDependencies();
- }
- };
- for( var i in plugins ) {
- var plugin = plugins[i];
-
- if( typeof plugin.init === 'function' ) {
- var callback = plugin.init();
-
- if( callback && typeof callback.then === 'function' ) {
- callback.then( afterPlugInitialized );
- }
- else {
- afterPlugInitialized();
- }
- }
- else {
- afterPlugInitialized();
- }
- }
- }
- }
-
- function loadAsyncDependencies() {
- if( asyncDependencies.length ) {
- asyncDependencies.forEach( function( s ) {
- loadScript( s.src, s.callback );
- } );
- }
- start();
- }
-
- function loadScript( url, callback ) {
- var script = document.createElement( 'script' );
- script.type = 'text/javascript';
- script.async = false;
- script.defer = false;
- script.src = url;
- if( callback ) {
-
- script.onload = script.onreadystatechange = function( event ) {
- if( event.type === "load" || (/loaded|complete/.test( script.readyState ) ) ) {
-
- script.onload = script.onreadystatechange = script.onerror = null;
- callback();
- }
- };
-
- script.onerror = function( err ) {
-
- script.onload = script.onreadystatechange = script.onerror = null;
- callback( new Error( 'Failed loading script: ' + script.src + '\n' + err) );
- };
- }
-
- var head = document.querySelector( 'head' );
- head.insertBefore( script, head.lastChild );
- }
-
- function start() {
- loaded = true;
-
- setupDOM();
-
- setupPostMessage();
-
- setupScrollPrevention();
-
- resetVerticalSlides();
-
- configure();
-
- readURL();
-
- updateBackground( true );
-
-
- setTimeout( function() {
-
- dom.slides.classList.remove( 'no-transition' );
- dom.wrapper.classList.add( 'ready' );
- dispatchEvent( 'ready', {
- 'indexh': indexh,
- 'indexv': indexv,
- 'currentSlide': currentSlide
- } );
- }, 1 );
-
- if( isPrintingPDF() ) {
- removeEventListeners();
-
-
- if( document.readyState === 'complete' ) {
- setupPDF();
- }
- else {
- window.addEventListener( 'load', setupPDF );
- }
- }
- }
-
- function setupDOM() {
-
- dom.slides.classList.add( 'no-transition' );
- if( isMobileDevice ) {
- dom.wrapper.classList.add( 'no-hover' );
- }
- else {
- dom.wrapper.classList.remove( 'no-hover' );
- }
- if( /iphone/gi.test( UA ) ) {
- dom.wrapper.classList.add( 'ua-iphone' );
- }
- else {
- dom.wrapper.classList.remove( 'ua-iphone' );
- }
-
- dom.background = createSingletonNode( dom.wrapper, 'div', 'backgrounds', null );
-
- dom.progress = createSingletonNode( dom.wrapper, 'div', 'progress', '<span></span>' );
- dom.progressbar = dom.progress.querySelector( 'span' );
-
- dom.controls = createSingletonNode( dom.wrapper, 'aside', 'controls',
- '<button class="navigate-left" aria-label="previous slide"><div class="controls-arrow"></div></button>' +
- '<button class="navigate-right" aria-label="next slide"><div class="controls-arrow"></div></button>' +
- '<button class="navigate-up" aria-label="above slide"><div class="controls-arrow"></div></button>' +
- '<button class="navigate-down" aria-label="below slide"><div class="controls-arrow"></div></button>' );
-
- dom.slideNumber = createSingletonNode( dom.wrapper, 'div', 'slide-number', '' );
-
- dom.speakerNotes = createSingletonNode( dom.wrapper, 'div', 'speaker-notes', null );
- dom.speakerNotes.setAttribute( 'data-prevent-swipe', '' );
- dom.speakerNotes.setAttribute( 'tabindex', '0' );
-
- dom.pauseOverlay = createSingletonNode( dom.wrapper, 'div', 'pause-overlay', config.controls ? '<button class="resume-button">Resume presentation</button>' : null );
- dom.wrapper.setAttribute( 'role', 'application' );
-
- dom.controlsLeft = toArray( document.querySelectorAll( '.navigate-left' ) );
- dom.controlsRight = toArray( document.querySelectorAll( '.navigate-right' ) );
- dom.controlsUp = toArray( document.querySelectorAll( '.navigate-up' ) );
- dom.controlsDown = toArray( document.querySelectorAll( '.navigate-down' ) );
- dom.controlsPrev = toArray( document.querySelectorAll( '.navigate-prev' ) );
- dom.controlsNext = toArray( document.querySelectorAll( '.navigate-next' ) );
-
- dom.controlsRightArrow = dom.controls.querySelector( '.navigate-right' );
- dom.controlsDownArrow = dom.controls.querySelector( '.navigate-down' );
- dom.statusDiv = createStatusDiv();
- }
-
- function createStatusDiv() {
- var statusDiv = document.getElementById( 'aria-status-div' );
- if( !statusDiv ) {
- statusDiv = document.createElement( 'div' );
- statusDiv.style.position = 'absolute';
- statusDiv.style.height = '1px';
- statusDiv.style.width = '1px';
- statusDiv.style.overflow = 'hidden';
- statusDiv.style.clip = 'rect( 1px, 1px, 1px, 1px )';
- statusDiv.setAttribute( 'id', 'aria-status-div' );
- statusDiv.setAttribute( 'aria-live', 'polite' );
- statusDiv.setAttribute( 'aria-atomic','true' );
- dom.wrapper.appendChild( statusDiv );
- }
- return statusDiv;
- }
-
- function getStatusText( node ) {
- var text = '';
-
- if( node.nodeType === 3 ) {
- text += node.textContent;
- }
-
- else if( node.nodeType === 1 ) {
- var isAriaHidden = node.getAttribute( 'aria-hidden' );
- var isDisplayHidden = window.getComputedStyle( node )['display'] === 'none';
- if( isAriaHidden !== 'true' && !isDisplayHidden ) {
- toArray( node.childNodes ).forEach( function( child ) {
- text += getStatusText( child );
- } );
- }
- }
- return text;
- }
-
- function setupPDF() {
- var slideSize = getComputedSlideSize( window.innerWidth, window.innerHeight );
-
- var pageWidth = Math.floor( slideSize.width * ( 1 + config.margin ) ),
- pageHeight = Math.floor( slideSize.height * ( 1 + config.margin ) );
-
- var slideWidth = slideSize.width,
- slideHeight = slideSize.height;
-
- injectStyleSheet( '@page{size:'+ pageWidth +'px '+ pageHeight +'px; margin: 0px;}' );
-
- injectStyleSheet( '.reveal section>img, .reveal section>video, .reveal section>iframe{max-width: '+ slideWidth +'px; max-height:'+ slideHeight +'px}' );
- document.body.classList.add( 'print-pdf' );
- document.body.style.width = pageWidth + 'px';
- document.body.style.height = pageHeight + 'px';
-
- layoutSlideContents( slideWidth, slideHeight );
-
- var doingSlideNumbers = config.slideNumber && /all|print/i.test( config.showSlideNumber );
- toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) ).forEach( function( slide ) {
- slide.setAttribute( 'data-slide-number', getSlideNumber( slide ) );
- } );
-
- toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) ).forEach( function( slide ) {
-
-
- if( slide.classList.contains( 'stack' ) === false ) {
-
- var left = ( pageWidth - slideWidth ) / 2,
- top = ( pageHeight - slideHeight ) / 2;
- var contentHeight = slide.scrollHeight;
- var numberOfPages = Math.max( Math.ceil( contentHeight / pageHeight ), 1 );
-
- numberOfPages = Math.min( numberOfPages, config.pdfMaxPagesPerSlide );
-
- if( numberOfPages === 1 && config.center || slide.classList.contains( 'center' ) ) {
- top = Math.max( ( pageHeight - contentHeight ) / 2, 0 );
- }
-
-
- var page = document.createElement( 'div' );
- page.className = 'pdf-page';
- page.style.height = ( ( pageHeight + config.pdfPageHeightOffset ) * numberOfPages ) + 'px';
- slide.parentNode.insertBefore( page, slide );
- page.appendChild( slide );
-
- slide.style.left = left + 'px';
- slide.style.top = top + 'px';
- slide.style.width = slideWidth + 'px';
- if( slide.slideBackgroundElement ) {
- page.insertBefore( slide.slideBackgroundElement, slide );
- }
-
- if( config.showNotes ) {
-
- var notes = getSlideNotes( slide );
- if( notes ) {
- var notesSpacing = 8;
- var notesLayout = typeof config.showNotes === 'string' ? config.showNotes : 'inline';
- var notesElement = document.createElement( 'div' );
- notesElement.classList.add( 'speaker-notes' );
- notesElement.classList.add( 'speaker-notes-pdf' );
- notesElement.setAttribute( 'data-layout', notesLayout );
- notesElement.innerHTML = notes;
- if( notesLayout === 'separate-page' ) {
- page.parentNode.insertBefore( notesElement, page.nextSibling );
- }
- else {
- notesElement.style.left = notesSpacing + 'px';
- notesElement.style.bottom = notesSpacing + 'px';
- notesElement.style.width = ( pageWidth - notesSpacing*2 ) + 'px';
- page.appendChild( notesElement );
- }
- }
- }
-
- if( doingSlideNumbers ) {
- var numberElement = document.createElement( 'div' );
- numberElement.classList.add( 'slide-number' );
- numberElement.classList.add( 'slide-number-pdf' );
- numberElement.innerHTML = slide.getAttribute( 'data-slide-number' );
- page.appendChild( numberElement );
- }
-
- if( config.pdfSeparateFragments ) {
-
-
-
- var fragmentGroups = sortFragments( page.querySelectorAll( '.fragment' ), true );
- var previousFragmentStep;
- var previousPage;
- fragmentGroups.forEach( function( fragments ) {
-
- if( previousFragmentStep ) {
- previousFragmentStep.forEach( function( fragment ) {
- fragment.classList.remove( 'current-fragment' );
- } );
- }
-
- fragments.forEach( function( fragment ) {
- fragment.classList.add( 'visible', 'current-fragment' );
- } );
-
- var clonedPage = page.cloneNode( true );
- page.parentNode.insertBefore( clonedPage, ( previousPage || page ).nextSibling );
- previousFragmentStep = fragments;
- previousPage = clonedPage;
- } );
-
- fragmentGroups.forEach( function( fragments ) {
- fragments.forEach( function( fragment ) {
- fragment.classList.remove( 'visible', 'current-fragment' );
- } );
- } );
- }
-
- else {
- toArray( page.querySelectorAll( '.fragment:not(.fade-out)' ) ).forEach( function( fragment ) {
- fragment.classList.add( 'visible' );
- } );
- }
- }
- } );
-
- dispatchEvent( 'pdf-ready' );
- }
-
- function setupScrollPrevention() {
- setInterval( function() {
- if( dom.wrapper.scrollTop !== 0 || dom.wrapper.scrollLeft !== 0 ) {
- dom.wrapper.scrollTop = 0;
- dom.wrapper.scrollLeft = 0;
- }
- }, 1000 );
- }
-
- function createSingletonNode( container, tagname, classname, innerHTML ) {
-
- var nodes = container.querySelectorAll( '.' + classname );
-
-
- for( var i = 0; i < nodes.length; i++ ) {
- var testNode = nodes[i];
- if( testNode.parentNode === container ) {
- return testNode;
- }
- }
-
- var node = document.createElement( tagname );
- node.className = classname;
- if( typeof innerHTML === 'string' ) {
- node.innerHTML = innerHTML;
- }
- container.appendChild( node );
- return node;
- }
-
- function createBackgrounds() {
- var printMode = isPrintingPDF();
-
- dom.background.innerHTML = '';
- dom.background.classList.add( 'no-transition' );
-
- toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).forEach( function( slideh ) {
- var backgroundStack = createBackground( slideh, dom.background );
-
- toArray( slideh.querySelectorAll( 'section' ) ).forEach( function( slidev ) {
- createBackground( slidev, backgroundStack );
- backgroundStack.classList.add( 'stack' );
- } );
- } );
-
- if( config.parallaxBackgroundImage ) {
- dom.background.style.backgroundImage = 'url("' + config.parallaxBackgroundImage + '")';
- dom.background.style.backgroundSize = config.parallaxBackgroundSize;
- dom.background.style.backgroundRepeat = config.parallaxBackgroundRepeat;
- dom.background.style.backgroundPosition = config.parallaxBackgroundPosition;
-
-
-
-
- setTimeout( function() {
- dom.wrapper.classList.add( 'has-parallax-background' );
- }, 1 );
- }
- else {
- dom.background.style.backgroundImage = '';
- dom.wrapper.classList.remove( 'has-parallax-background' );
- }
- }
-
- function createBackground( slide, container ) {
-
- var element = document.createElement( 'div' );
- element.className = 'slide-background ' + slide.className.replace( /present|past|future/, '' );
-
- var contentElement = document.createElement( 'div' );
- contentElement.className = 'slide-background-content';
- element.appendChild( contentElement );
- container.appendChild( element );
- slide.slideBackgroundElement = element;
- slide.slideBackgroundContentElement = contentElement;
-
- syncBackground( slide );
- return element;
- }
-
- function syncBackground( slide ) {
- var element = slide.slideBackgroundElement,
- contentElement = slide.slideBackgroundContentElement;
-
-
- slide.classList.remove( 'has-dark-background' );
- slide.classList.remove( 'has-light-background' );
- element.removeAttribute( 'data-loaded' );
- element.removeAttribute( 'data-background-hash' );
- element.removeAttribute( 'data-background-size' );
- element.removeAttribute( 'data-background-transition' );
- element.style.backgroundColor = '';
- contentElement.style.backgroundSize = '';
- contentElement.style.backgroundRepeat = '';
- contentElement.style.backgroundPosition = '';
- contentElement.style.backgroundImage = '';
- contentElement.style.opacity = '';
- contentElement.innerHTML = '';
- var data = {
- background: slide.getAttribute( 'data-background' ),
- backgroundSize: slide.getAttribute( 'data-background-size' ),
- backgroundImage: slide.getAttribute( 'data-background-image' ),
- backgroundVideo: slide.getAttribute( 'data-background-video' ),
- backgroundIframe: slide.getAttribute( 'data-background-iframe' ),
- backgroundColor: slide.getAttribute( 'data-background-color' ),
- backgroundRepeat: slide.getAttribute( 'data-background-repeat' ),
- backgroundPosition: slide.getAttribute( 'data-background-position' ),
- backgroundTransition: slide.getAttribute( 'data-background-transition' ),
- backgroundOpacity: slide.getAttribute( 'data-background-opacity' )
- };
- if( data.background ) {
-
- if( /^(http|file|\/\/)/gi.test( data.background ) || /\.(svg|png|jpg|jpeg|gif|bmp)([?#\s]|$)/gi.test( data.background ) ) {
- slide.setAttribute( 'data-background-image', data.background );
- }
- else {
- element.style.background = data.background;
- }
- }
-
-
-
- if( data.background || data.backgroundColor || data.backgroundImage || data.backgroundVideo || data.backgroundIframe ) {
- element.setAttribute( 'data-background-hash', data.background +
- data.backgroundSize +
- data.backgroundImage +
- data.backgroundVideo +
- data.backgroundIframe +
- data.backgroundColor +
- data.backgroundRepeat +
- data.backgroundPosition +
- data.backgroundTransition +
- data.backgroundOpacity );
- }
-
- if( data.backgroundSize ) element.setAttribute( 'data-background-size', data.backgroundSize );
- if( data.backgroundColor ) element.style.backgroundColor = data.backgroundColor;
- if( data.backgroundTransition ) element.setAttribute( 'data-background-transition', data.backgroundTransition );
- if( slide.hasAttribute( 'data-preload' ) ) element.setAttribute( 'data-preload', '' );
-
- if( data.backgroundSize ) contentElement.style.backgroundSize = data.backgroundSize;
- if( data.backgroundRepeat ) contentElement.style.backgroundRepeat = data.backgroundRepeat;
- if( data.backgroundPosition ) contentElement.style.backgroundPosition = data.backgroundPosition;
- if( data.backgroundOpacity ) contentElement.style.opacity = data.backgroundOpacity;
-
-
-
- var contrastColor = data.backgroundColor;
-
- if( !contrastColor ) {
- var computedBackgroundStyle = window.getComputedStyle( element );
- if( computedBackgroundStyle && computedBackgroundStyle.backgroundColor ) {
- contrastColor = computedBackgroundStyle.backgroundColor;
- }
- }
- if( contrastColor ) {
- var rgb = colorToRgb( contrastColor );
-
-
-
- if( rgb && rgb.a !== 0 ) {
- if( colorBrightness( contrastColor ) < 128 ) {
- slide.classList.add( 'has-dark-background' );
- }
- else {
- slide.classList.add( 'has-light-background' );
- }
- }
- }
- }
-
- function setupPostMessage() {
- if( config.postMessage ) {
- window.addEventListener( 'message', function ( event ) {
- var data = event.data;
-
- if( typeof data === 'string' && data.charAt( 0 ) === '{' && data.charAt( data.length - 1 ) === '}' ) {
- data = JSON.parse( data );
-
- if( data.method && typeof Reveal[data.method] === 'function' ) {
- if( POST_MESSAGE_METHOD_BLACKLIST.test( data.method ) === false ) {
- var result = Reveal[data.method].apply( Reveal, data.args );
-
-
- dispatchPostMessage( 'callback', { method: data.method, result: result } );
- }
- else {
- console.warn( 'reveal.js: "'+ data.method +'" is is blacklisted from the postMessage API' );
- }
- }
- }
- }, false );
- }
- }
-
- function configure( options ) {
- var oldTransition = config.transition;
-
-
- if( typeof options === 'object' ) extend( config, options );
-
-
-
- if( loaded === false ) return;
- var numberOfSlides = dom.wrapper.querySelectorAll( SLIDES_SELECTOR ).length;
-
- dom.wrapper.classList.remove( oldTransition );
-
- if( features.transforms3d === false ) config.transition = 'linear';
- dom.wrapper.classList.add( config.transition );
- dom.wrapper.setAttribute( 'data-transition-speed', config.transitionSpeed );
- dom.wrapper.setAttribute( 'data-background-transition', config.backgroundTransition );
- dom.controls.style.display = config.controls ? 'block' : 'none';
- dom.progress.style.display = config.progress ? 'block' : 'none';
- dom.controls.setAttribute( 'data-controls-layout', config.controlsLayout );
- dom.controls.setAttribute( 'data-controls-back-arrows', config.controlsBackArrows );
- if( config.shuffle ) {
- shuffle();
- }
- if( config.rtl ) {
- dom.wrapper.classList.add( 'rtl' );
- }
- else {
- dom.wrapper.classList.remove( 'rtl' );
- }
- if( config.center ) {
- dom.wrapper.classList.add( 'center' );
- }
- else {
- dom.wrapper.classList.remove( 'center' );
- }
-
- if( config.pause === false ) {
- resume();
- }
- if( config.showNotes ) {
- dom.speakerNotes.setAttribute( 'data-layout', typeof config.showNotes === 'string' ? config.showNotes : 'inline' );
- }
- if( config.mouseWheel ) {
- document.addEventListener( 'DOMMouseScroll', onDocumentMouseScroll, false );
- document.addEventListener( 'mousewheel', onDocumentMouseScroll, false );
- }
- else {
- document.removeEventListener( 'DOMMouseScroll', onDocumentMouseScroll, false );
- document.removeEventListener( 'mousewheel', onDocumentMouseScroll, false );
- }
-
- if( config.rollingLinks ) {
- enableRollingLinks();
- }
- else {
- disableRollingLinks();
- }
-
- if( config.hideInactiveCursor ) {
- document.addEventListener( 'mousemove', onDocumentCursorActive, false );
- document.addEventListener( 'mousedown', onDocumentCursorActive, false );
- }
- else {
- showCursor();
- document.removeEventListener( 'mousemove', onDocumentCursorActive, false );
- document.removeEventListener( 'mousedown', onDocumentCursorActive, false );
- }
-
- if( config.previewLinks ) {
- enablePreviewLinks();
- disablePreviewLinks( '[data-preview-link=false]' );
- }
- else {
- disablePreviewLinks();
- enablePreviewLinks( '[data-preview-link]:not([data-preview-link=false])' );
- }
-
- if( autoSlidePlayer ) {
- autoSlidePlayer.destroy();
- autoSlidePlayer = null;
- }
-
- if( numberOfSlides > 1 && config.autoSlide && config.autoSlideStoppable && features.canvas && features.requestAnimationFrame ) {
- autoSlidePlayer = new Playback( dom.wrapper, function() {
- return Math.min( Math.max( ( Date.now() - autoSlideStartTime ) / autoSlide, 0 ), 1 );
- } );
- autoSlidePlayer.on( 'click', onAutoSlidePlayerClick );
- autoSlidePaused = false;
- }
-
- if( config.fragments === false ) {
- toArray( dom.slides.querySelectorAll( '.fragment' ) ).forEach( function( element ) {
- element.classList.add( 'visible' );
- element.classList.remove( 'current-fragment' );
- } );
- }
-
- var slideNumberDisplay = 'none';
- if( config.slideNumber && !isPrintingPDF() ) {
- if( config.showSlideNumber === 'all' ) {
- slideNumberDisplay = 'block';
- }
- else if( config.showSlideNumber === 'speaker' && isSpeakerNotes() ) {
- slideNumberDisplay = 'block';
- }
- }
- dom.slideNumber.style.display = slideNumberDisplay;
-
- if( config.navigationMode !== 'default' ) {
- dom.wrapper.setAttribute( 'data-navigation-mode', config.navigationMode );
- }
- else {
- dom.wrapper.removeAttribute( 'data-navigation-mode' );
- }
-
- if( config.navigationMode === 'linear' ) {
- keyboardShortcuts['→ , ↓ , SPACE , N , L , J'] = 'Next slide';
- keyboardShortcuts['← , ↑ , P , H , K'] = 'Previous slide';
- }
- else {
- keyboardShortcuts['N , SPACE'] = 'Next slide';
- keyboardShortcuts['P'] = 'Previous slide';
- keyboardShortcuts['← , H'] = 'Navigate left';
- keyboardShortcuts['→ , L'] = 'Navigate right';
- keyboardShortcuts['↑ , K'] = 'Navigate up';
- keyboardShortcuts['↓ , J'] = 'Navigate down';
- }
- keyboardShortcuts['Home , Shift ←'] = 'First slide';
- keyboardShortcuts['End , Shift →'] = 'Last slide';
- keyboardShortcuts['B , .'] = 'Pause';
- keyboardShortcuts['F'] = 'Fullscreen';
- keyboardShortcuts['ESC, O'] = 'Slide overview';
- sync();
- }
-
- function addEventListeners() {
- eventsAreBound = true;
- window.addEventListener( 'hashchange', onWindowHashChange, false );
- window.addEventListener( 'resize', onWindowResize, false );
- if( config.touch ) {
- if( 'onpointerdown' in window ) {
-
- dom.wrapper.addEventListener( 'pointerdown', onPointerDown, false );
- dom.wrapper.addEventListener( 'pointermove', onPointerMove, false );
- dom.wrapper.addEventListener( 'pointerup', onPointerUp, false );
- }
- else if( window.navigator.msPointerEnabled ) {
-
- dom.wrapper.addEventListener( 'MSPointerDown', onPointerDown, false );
- dom.wrapper.addEventListener( 'MSPointerMove', onPointerMove, false );
- dom.wrapper.addEventListener( 'MSPointerUp', onPointerUp, false );
- }
- else {
-
- dom.wrapper.addEventListener( 'touchstart', onTouchStart, false );
- dom.wrapper.addEventListener( 'touchmove', onTouchMove, false );
- dom.wrapper.addEventListener( 'touchend', onTouchEnd, false );
- }
- }
- if( config.keyboard ) {
- document.addEventListener( 'keydown', onDocumentKeyDown, false );
- document.addEventListener( 'keypress', onDocumentKeyPress, false );
- }
- if( config.progress && dom.progress ) {
- dom.progress.addEventListener( 'click', onProgressClicked, false );
- }
- dom.pauseOverlay.addEventListener( 'click', resume, false );
- if( config.focusBodyOnPageVisibilityChange ) {
- var visibilityChange;
- if( 'hidden' in document ) {
- visibilityChange = 'visibilitychange';
- }
- else if( 'msHidden' in document ) {
- visibilityChange = 'msvisibilitychange';
- }
- else if( 'webkitHidden' in document ) {
- visibilityChange = 'webkitvisibilitychange';
- }
- if( visibilityChange ) {
- document.addEventListener( visibilityChange, onPageVisibilityChange, false );
- }
- }
-
-
- var pointerEvents = [ 'touchstart', 'click' ];
-
-
- if( UA.match( /android/gi ) ) {
- pointerEvents = [ 'touchstart' ];
- }
- pointerEvents.forEach( function( eventName ) {
- dom.controlsLeft.forEach( function( el ) { el.addEventListener( eventName, onNavigateLeftClicked, false ); } );
- dom.controlsRight.forEach( function( el ) { el.addEventListener( eventName, onNavigateRightClicked, false ); } );
- dom.controlsUp.forEach( function( el ) { el.addEventListener( eventName, onNavigateUpClicked, false ); } );
- dom.controlsDown.forEach( function( el ) { el.addEventListener( eventName, onNavigateDownClicked, false ); } );
- dom.controlsPrev.forEach( function( el ) { el.addEventListener( eventName, onNavigatePrevClicked, false ); } );
- dom.controlsNext.forEach( function( el ) { el.addEventListener( eventName, onNavigateNextClicked, false ); } );
- } );
- }
-
- function removeEventListeners() {
- eventsAreBound = false;
- document.removeEventListener( 'keydown', onDocumentKeyDown, false );
- document.removeEventListener( 'keypress', onDocumentKeyPress, false );
- window.removeEventListener( 'hashchange', onWindowHashChange, false );
- window.removeEventListener( 'resize', onWindowResize, false );
- dom.wrapper.removeEventListener( 'pointerdown', onPointerDown, false );
- dom.wrapper.removeEventListener( 'pointermove', onPointerMove, false );
- dom.wrapper.removeEventListener( 'pointerup', onPointerUp, false );
- dom.wrapper.removeEventListener( 'MSPointerDown', onPointerDown, false );
- dom.wrapper.removeEventListener( 'MSPointerMove', onPointerMove, false );
- dom.wrapper.removeEventListener( 'MSPointerUp', onPointerUp, false );
- dom.wrapper.removeEventListener( 'touchstart', onTouchStart, false );
- dom.wrapper.removeEventListener( 'touchmove', onTouchMove, false );
- dom.wrapper.removeEventListener( 'touchend', onTouchEnd, false );
- dom.pauseOverlay.removeEventListener( 'click', resume, false );
- if ( config.progress && dom.progress ) {
- dom.progress.removeEventListener( 'click', onProgressClicked, false );
- }
- [ 'touchstart', 'click' ].forEach( function( eventName ) {
- dom.controlsLeft.forEach( function( el ) { el.removeEventListener( eventName, onNavigateLeftClicked, false ); } );
- dom.controlsRight.forEach( function( el ) { el.removeEventListener( eventName, onNavigateRightClicked, false ); } );
- dom.controlsUp.forEach( function( el ) { el.removeEventListener( eventName, onNavigateUpClicked, false ); } );
- dom.controlsDown.forEach( function( el ) { el.removeEventListener( eventName, onNavigateDownClicked, false ); } );
- dom.controlsPrev.forEach( function( el ) { el.removeEventListener( eventName, onNavigatePrevClicked, false ); } );
- dom.controlsNext.forEach( function( el ) { el.removeEventListener( eventName, onNavigateNextClicked, false ); } );
- } );
- }
-
- function registerPlugin( id, plugin ) {
- if( plugins[id] === undefined ) {
- plugins[id] = plugin;
-
-
- if( loaded && typeof plugin.init === 'function' ) {
- plugin.init();
- }
- }
- else {
- console.warn( 'reveal.js: "'+ id +'" plugin has already been registered' );
- }
- }
-
- function hasPlugin( id ) {
- return !!plugins[id];
- }
-
- function getPlugin( id ) {
- return plugins[id];
- }
-
- function addKeyBinding( binding, callback ) {
- if( typeof binding === 'object' && binding.keyCode ) {
- registeredKeyBindings[binding.keyCode] = {
- callback: callback,
- key: binding.key,
- description: binding.description
- };
- }
- else {
- registeredKeyBindings[binding] = {
- callback: callback,
- key: null,
- description: null
- };
- }
- }
-
- function removeKeyBinding( keyCode ) {
- delete registeredKeyBindings[keyCode];
- }
-
- function extend( a, b ) {
- for( var i in b ) {
- a[ i ] = b[ i ];
- }
- return a;
- }
-
- function toArray( o ) {
- return Array.prototype.slice.call( o );
- }
-
- function deserialize( value ) {
- if( typeof value === 'string' ) {
- if( value === 'null' ) return null;
- else if( value === 'true' ) return true;
- else if( value === 'false' ) return false;
- else if( value.match( /^-?[\d\.]+$/ ) ) return parseFloat( value );
- }
- return value;
- }
-
- function distanceBetween( a, b ) {
- var dx = a.x - b.x,
- dy = a.y - b.y;
- return Math.sqrt( dx*dx + dy*dy );
- }
-
- function transformElement( element, transform ) {
- element.style.WebkitTransform = transform;
- element.style.MozTransform = transform;
- element.style.msTransform = transform;
- element.style.transform = transform;
- }
-
- function transformSlides( transforms ) {
-
- if( typeof transforms.layout === 'string' ) slidesTransform.layout = transforms.layout;
- if( typeof transforms.overview === 'string' ) slidesTransform.overview = transforms.overview;
-
- if( slidesTransform.layout ) {
- transformElement( dom.slides, slidesTransform.layout + ' ' + slidesTransform.overview );
- }
- else {
- transformElement( dom.slides, slidesTransform.overview );
- }
- }
-
- function injectStyleSheet( value ) {
- var tag = document.createElement( 'style' );
- tag.type = 'text/css';
- if( tag.styleSheet ) {
- tag.styleSheet.cssText = value;
- }
- else {
- tag.appendChild( document.createTextNode( value ) );
- }
- document.getElementsByTagName( 'head' )[0].appendChild( tag );
- }
-
- function closestParent( target, selector ) {
- var parent = target.parentNode;
- while( parent ) {
-
-
-
- var matchesMethod = parent.matches || parent.matchesSelector || parent.msMatchesSelector;
-
- if( matchesMethod && matchesMethod.call( parent, selector ) ) {
- return parent;
- }
-
- parent = parent.parentNode;
- }
- return null;
- }
-
- function colorToRgb( color ) {
- var hex3 = color.match( /^#([0-9a-f]{3})$/i );
- if( hex3 && hex3[1] ) {
- hex3 = hex3[1];
- return {
- r: parseInt( hex3.charAt( 0 ), 16 ) * 0x11,
- g: parseInt( hex3.charAt( 1 ), 16 ) * 0x11,
- b: parseInt( hex3.charAt( 2 ), 16 ) * 0x11
- };
- }
- var hex6 = color.match( /^#([0-9a-f]{6})$/i );
- if( hex6 && hex6[1] ) {
- hex6 = hex6[1];
- return {
- r: parseInt( hex6.substr( 0, 2 ), 16 ),
- g: parseInt( hex6.substr( 2, 2 ), 16 ),
- b: parseInt( hex6.substr( 4, 2 ), 16 )
- };
- }
- var rgb = color.match( /^rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/i );
- if( rgb ) {
- return {
- r: parseInt( rgb[1], 10 ),
- g: parseInt( rgb[2], 10 ),
- b: parseInt( rgb[3], 10 )
- };
- }
- var rgba = color.match( /^rgba\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\,\s*([\d]+|[\d]*.[\d]+)\s*\)$/i );
- if( rgba ) {
- return {
- r: parseInt( rgba[1], 10 ),
- g: parseInt( rgba[2], 10 ),
- b: parseInt( rgba[3], 10 ),
- a: parseFloat( rgba[4] )
- };
- }
- return null;
- }
-
- function colorBrightness( color ) {
- if( typeof color === 'string' ) color = colorToRgb( color );
- if( color ) {
- return ( color.r * 299 + color.g * 587 + color.b * 114 ) / 1000;
- }
- return null;
- }
-
- function getRemainingHeight( element, height ) {
- height = height || 0;
- if( element ) {
- var newHeight, oldHeight = element.style.height;
-
-
- element.style.height = '0px';
-
-
- element.parentNode.style.height = 'auto';
- newHeight = height - element.parentNode.offsetHeight;
-
- element.style.height = oldHeight + 'px';
-
- element.parentNode.style.removeProperty('height');
- return newHeight;
- }
- return height;
- }
-
- function isPrintingPDF() {
- return ( /print-pdf/gi ).test( window.location.search );
- }
-
- function hideAddressBar() {
- if( config.hideAddressBar && isMobileDevice ) {
-
- window.addEventListener( 'load', removeAddressBar, false );
- window.addEventListener( 'orientationchange', removeAddressBar, false );
- }
- }
-
- function removeAddressBar() {
- setTimeout( function() {
- window.scrollTo( 0, 1 );
- }, 10 );
- }
-
- function dispatchEvent( type, args ) {
- var event = document.createEvent( 'HTMLEvents', 1, 2 );
- event.initEvent( type, true, true );
- extend( event, args );
- dom.wrapper.dispatchEvent( event );
-
-
- dispatchPostMessage( type );
- }
-
- function dispatchPostMessage( type, data ) {
- if( config.postMessageEvents && window.parent !== window.self ) {
- var message = {
- namespace: 'reveal',
- eventName: type,
- state: getState()
- };
- extend( message, data );
- window.parent.postMessage( JSON.stringify( message ), '*' );
- }
- }
-
- function enableRollingLinks() {
- if( features.transforms3d && !( 'msPerspective' in document.body.style ) ) {
- var anchors = dom.wrapper.querySelectorAll( SLIDES_SELECTOR + ' a' );
- for( var i = 0, len = anchors.length; i < len; i++ ) {
- var anchor = anchors[i];
- if( anchor.textContent && !anchor.querySelector( '*' ) && ( !anchor.className || !anchor.classList.contains( anchor, 'roll' ) ) ) {
- var span = document.createElement('span');
- span.setAttribute('data-title', anchor.text);
- span.innerHTML = anchor.innerHTML;
- anchor.classList.add( 'roll' );
- anchor.innerHTML = '';
- anchor.appendChild(span);
- }
- }
- }
- }
-
- function disableRollingLinks() {
- var anchors = dom.wrapper.querySelectorAll( SLIDES_SELECTOR + ' a.roll' );
- for( var i = 0, len = anchors.length; i < len; i++ ) {
- var anchor = anchors[i];
- var span = anchor.querySelector( 'span' );
- if( span ) {
- anchor.classList.remove( 'roll' );
- anchor.innerHTML = span.innerHTML;
- }
- }
- }
-
- function enablePreviewLinks( selector ) {
- var anchors = toArray( document.querySelectorAll( selector ? selector : 'a' ) );
- anchors.forEach( function( element ) {
- if( /^(http|www)/gi.test( element.getAttribute( 'href' ) ) ) {
- element.addEventListener( 'click', onPreviewLinkClicked, false );
- }
- } );
- }
-
- function disablePreviewLinks( selector ) {
- var anchors = toArray( document.querySelectorAll( selector ? selector : 'a' ) );
- anchors.forEach( function( element ) {
- if( /^(http|www)/gi.test( element.getAttribute( 'href' ) ) ) {
- element.removeEventListener( 'click', onPreviewLinkClicked, false );
- }
- } );
- }
-
- function showPreview( url ) {
- closeOverlay();
- dom.overlay = document.createElement( 'div' );
- dom.overlay.classList.add( 'overlay' );
- dom.overlay.classList.add( 'overlay-preview' );
- dom.wrapper.appendChild( dom.overlay );
- dom.overlay.innerHTML = [
- '<header>',
- '<a class="close" href="#"><span class="icon"></span></a>',
- '<a class="external" href="'+ url +'" target="_blank"><span class="icon"></span></a>',
- '</header>',
- '<div class="spinner"></div>',
- '<div class="viewport">',
- '<iframe src="'+ url +'"></iframe>',
- '<small class="viewport-inner">',
- '<span class="x-frame-error">Unable to load iframe. This is likely due to the site\'s policy (x-frame-options).</span>',
- '</small>',
- '</div>'
- ].join('');
- dom.overlay.querySelector( 'iframe' ).addEventListener( 'load', function( event ) {
- dom.overlay.classList.add( 'loaded' );
- }, false );
- dom.overlay.querySelector( '.close' ).addEventListener( 'click', function( event ) {
- closeOverlay();
- event.preventDefault();
- }, false );
- dom.overlay.querySelector( '.external' ).addEventListener( 'click', function( event ) {
- closeOverlay();
- }, false );
- setTimeout( function() {
- dom.overlay.classList.add( 'visible' );
- }, 1 );
- }
-
- function toggleHelp( override ){
- if( typeof override === 'boolean' ) {
- override ? showHelp() : closeOverlay();
- }
- else {
- if( dom.overlay ) {
- closeOverlay();
- }
- else {
- showHelp();
- }
- }
- }
-
- function showHelp() {
- if( config.help ) {
- closeOverlay();
- dom.overlay = document.createElement( 'div' );
- dom.overlay.classList.add( 'overlay' );
- dom.overlay.classList.add( 'overlay-help' );
- dom.wrapper.appendChild( dom.overlay );
- var html = '<p class="title">Keyboard Shortcuts</p><br/>';
- html += '<table><th>KEY</th><th>ACTION</th>';
- for( var key in keyboardShortcuts ) {
- html += '<tr><td>' + key + '</td><td>' + keyboardShortcuts[ key ] + '</td></tr>';
- }
-
- for( var binding in registeredKeyBindings ) {
- if( registeredKeyBindings[binding].key && registeredKeyBindings[binding].description ) {
- html += '<tr><td>' + registeredKeyBindings[binding].key + '</td><td>' + registeredKeyBindings[binding].description + '</td></tr>';
- }
- }
- html += '</table>';
- dom.overlay.innerHTML = [
- '<header>',
- '<a class="close" href="#"><span class="icon"></span></a>',
- '</header>',
- '<div class="viewport">',
- '<div class="viewport-inner">'+ html +'</div>',
- '</div>'
- ].join('');
- dom.overlay.querySelector( '.close' ).addEventListener( 'click', function( event ) {
- closeOverlay();
- event.preventDefault();
- }, false );
- setTimeout( function() {
- dom.overlay.classList.add( 'visible' );
- }, 1 );
- }
- }
-
- function closeOverlay() {
- if( dom.overlay ) {
- dom.overlay.parentNode.removeChild( dom.overlay );
- dom.overlay = null;
- }
- }
-
- function layout() {
- if( dom.wrapper && !isPrintingPDF() ) {
- if( !config.disableLayout ) {
-
-
-
-
-
-
- if( isMobileDevice ) {
- document.documentElement.style.setProperty( '--vh', ( window.innerHeight * 0.01 ) + 'px' );
- }
- var size = getComputedSlideSize();
- var oldScale = scale;
-
- layoutSlideContents( config.width, config.height );
- dom.slides.style.width = size.width + 'px';
- dom.slides.style.height = size.height + 'px';
-
- scale = Math.min( size.presentationWidth / size.width, size.presentationHeight / size.height );
-
- scale = Math.max( scale, config.minScale );
- scale = Math.min( scale, config.maxScale );
-
- if( scale === 1 ) {
- dom.slides.style.zoom = '';
- dom.slides.style.left = '';
- dom.slides.style.top = '';
- dom.slides.style.bottom = '';
- dom.slides.style.right = '';
- transformSlides( { layout: '' } );
- }
- else {
-
-
-
-
-
- if( scale > 1 && features.zoom && window.devicePixelRatio < 2 ) {
- dom.slides.style.zoom = scale;
- dom.slides.style.left = '';
- dom.slides.style.top = '';
- dom.slides.style.bottom = '';
- dom.slides.style.right = '';
- transformSlides( { layout: '' } );
- }
-
-
-
-
- else {
- dom.slides.style.zoom = '';
- dom.slides.style.left = '50%';
- dom.slides.style.top = '50%';
- dom.slides.style.bottom = 'auto';
- dom.slides.style.right = 'auto';
- transformSlides( { layout: 'translate(-50%, -50%) scale('+ scale +')' } );
- }
- }
-
- var slides = toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) );
- for( var i = 0, len = slides.length; i < len; i++ ) {
- var slide = slides[ i ];
-
- if( slide.style.display === 'none' ) {
- continue;
- }
- if( config.center || slide.classList.contains( 'center' ) ) {
-
-
- if( slide.classList.contains( 'stack' ) ) {
- slide.style.top = 0;
- }
- else {
- slide.style.top = Math.max( ( size.height - slide.scrollHeight ) / 2, 0 ) + 'px';
- }
- }
- else {
- slide.style.top = '';
- }
- }
- if( oldScale !== scale ) {
- dispatchEvent( 'resize', {
- 'oldScale': oldScale,
- 'scale': scale,
- 'size': size
- } );
- }
- }
- updateProgress();
- updateParallax();
- if( isOverview() ) {
- updateOverview();
- }
- }
- }
-
- function layoutSlideContents( width, height ) {
-
- toArray( dom.slides.querySelectorAll( 'section > .stretch' ) ).forEach( function( element ) {
-
- var remainingHeight = getRemainingHeight( element, height );
-
- if( /(img|video)/gi.test( element.nodeName ) ) {
- var nw = element.naturalWidth || element.videoWidth,
- nh = element.naturalHeight || element.videoHeight;
- var es = Math.min( width / nw, remainingHeight / nh );
- element.style.width = ( nw * es ) + 'px';
- element.style.height = ( nh * es ) + 'px';
- }
- else {
- element.style.width = width + 'px';
- element.style.height = remainingHeight + 'px';
- }
- } );
- }
-
- function getComputedSlideSize( presentationWidth, presentationHeight ) {
- var size = {
-
- width: config.width,
- height: config.height,
-
- presentationWidth: presentationWidth || dom.wrapper.offsetWidth,
- presentationHeight: presentationHeight || dom.wrapper.offsetHeight
- };
-
- size.presentationWidth -= ( size.presentationWidth * config.margin );
- size.presentationHeight -= ( size.presentationHeight * config.margin );
-
- if( typeof size.width === 'string' && /%$/.test( size.width ) ) {
- size.width = parseInt( size.width, 10 ) / 100 * size.presentationWidth;
- }
-
- if( typeof size.height === 'string' && /%$/.test( size.height ) ) {
- size.height = parseInt( size.height, 10 ) / 100 * size.presentationHeight;
- }
- return size;
- }
-
- function setPreviousVerticalIndex( stack, v ) {
- if( typeof stack === 'object' && typeof stack.setAttribute === 'function' ) {
- stack.setAttribute( 'data-previous-indexv', v || 0 );
- }
- }
-
- function getPreviousVerticalIndex( stack ) {
- if( typeof stack === 'object' && typeof stack.setAttribute === 'function' && stack.classList.contains( 'stack' ) ) {
-
- var attributeName = stack.hasAttribute( 'data-start-indexv' ) ? 'data-start-indexv' : 'data-previous-indexv';
- return parseInt( stack.getAttribute( attributeName ) || 0, 10 );
- }
- return 0;
- }
-
- function activateOverview() {
-
- if( config.overview && !isOverview() ) {
- overview = true;
- dom.wrapper.classList.add( 'overview' );
- dom.wrapper.classList.remove( 'overview-deactivating' );
- if( features.overviewTransitions ) {
- setTimeout( function() {
- dom.wrapper.classList.add( 'overview-animated' );
- }, 1 );
- }
-
- cancelAutoSlide();
-
-
- dom.slides.appendChild( dom.background );
-
- toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) ).forEach( function( slide ) {
- if( !slide.classList.contains( 'stack' ) ) {
- slide.addEventListener( 'click', onOverviewSlideClicked, true );
- }
- } );
-
- var margin = 70;
- var slideSize = getComputedSlideSize();
- overviewSlideWidth = slideSize.width + margin;
- overviewSlideHeight = slideSize.height + margin;
-
- if( config.rtl ) {
- overviewSlideWidth = -overviewSlideWidth;
- }
- updateSlidesVisibility();
- layoutOverview();
- updateOverview();
- layout();
-
- dispatchEvent( 'overviewshown', {
- 'indexh': indexh,
- 'indexv': indexv,
- 'currentSlide': currentSlide
- } );
- }
- }
-
- function layoutOverview() {
-
- toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).forEach( function( hslide, h ) {
- hslide.setAttribute( 'data-index-h', h );
- transformElement( hslide, 'translate3d(' + ( h * overviewSlideWidth ) + 'px, 0, 0)' );
- if( hslide.classList.contains( 'stack' ) ) {
- toArray( hslide.querySelectorAll( 'section' ) ).forEach( function( vslide, v ) {
- vslide.setAttribute( 'data-index-h', h );
- vslide.setAttribute( 'data-index-v', v );
- transformElement( vslide, 'translate3d(0, ' + ( v * overviewSlideHeight ) + 'px, 0)' );
- } );
- }
- } );
-
- toArray( dom.background.childNodes ).forEach( function( hbackground, h ) {
- transformElement( hbackground, 'translate3d(' + ( h * overviewSlideWidth ) + 'px, 0, 0)' );
- toArray( hbackground.querySelectorAll( '.slide-background' ) ).forEach( function( vbackground, v ) {
- transformElement( vbackground, 'translate3d(0, ' + ( v * overviewSlideHeight ) + 'px, 0)' );
- } );
- } );
- }
-
- function updateOverview() {
- var vmin = Math.min( window.innerWidth, window.innerHeight );
- var scale = Math.max( vmin / 5, 150 ) / vmin;
- transformSlides( {
- overview: [
- 'scale('+ scale +')',
- 'translateX('+ ( -indexh * overviewSlideWidth ) +'px)',
- 'translateY('+ ( -indexv * overviewSlideHeight ) +'px)'
- ].join( ' ' )
- } );
- }
-
- function deactivateOverview() {
-
- if( config.overview ) {
- overview = false;
- dom.wrapper.classList.remove( 'overview' );
- dom.wrapper.classList.remove( 'overview-animated' );
-
-
-
- dom.wrapper.classList.add( 'overview-deactivating' );
- setTimeout( function () {
- dom.wrapper.classList.remove( 'overview-deactivating' );
- }, 1 );
-
- dom.wrapper.appendChild( dom.background );
-
- toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) ).forEach( function( slide ) {
- transformElement( slide, '' );
- slide.removeEventListener( 'click', onOverviewSlideClicked, true );
- } );
-
- toArray( dom.background.querySelectorAll( '.slide-background' ) ).forEach( function( background ) {
- transformElement( background, '' );
- } );
- transformSlides( { overview: '' } );
- slide( indexh, indexv );
- layout();
- cueAutoSlide();
-
- dispatchEvent( 'overviewhidden', {
- 'indexh': indexh,
- 'indexv': indexv,
- 'currentSlide': currentSlide
- } );
- }
- }
-
- function toggleOverview( override ) {
- if( typeof override === 'boolean' ) {
- override ? activateOverview() : deactivateOverview();
- }
- else {
- isOverview() ? deactivateOverview() : activateOverview();
- }
- }
-
- function isOverview() {
- return overview;
- }
-
- function locationHash( slide ) {
- var url = '/';
-
- var s = slide || currentSlide;
- var id = s ? s.getAttribute( 'id' ) : null;
- if( id ) {
- id = encodeURIComponent( id );
- }
- var index = getIndices( slide );
- if( !config.fragmentInURL ) {
- index.f = undefined;
- }
-
-
- if( typeof id === 'string' && id.length && index.f === undefined ) {
- url = '/' + id;
- }
-
- else {
- var hashIndexBase = config.hashOneBasedIndex ? 1 : 0;
- if( index.h > 0 || index.v > 0 || index.f !== undefined ) url += index.h + hashIndexBase;
- if( index.v > 0 || index.f !== undefined ) url += '/' + (index.v + hashIndexBase );
- if( index.f !== undefined ) url += '/' + index.f;
- }
- return url;
- }
-
- function isVerticalSlide( slide ) {
-
- slide = slide ? slide : currentSlide;
- return slide && slide.parentNode && !!slide.parentNode.nodeName.match( /section/i );
- }
-
- function enterFullscreen() {
- var element = document.documentElement;
-
- var requestMethod = element.requestFullscreen ||
- element.webkitRequestFullscreen ||
- element.webkitRequestFullScreen ||
- element.mozRequestFullScreen ||
- element.msRequestFullscreen;
- if( requestMethod ) {
- requestMethod.apply( element );
- }
- }
-
- function showCursor() {
- if( cursorHidden ) {
- cursorHidden = false;
- dom.wrapper.style.cursor = '';
- }
- }
-
- function hideCursor() {
- if( cursorHidden === false ) {
- cursorHidden = true;
- dom.wrapper.style.cursor = 'none';
- }
- }
-
- function pause() {
- if( config.pause ) {
- var wasPaused = dom.wrapper.classList.contains( 'paused' );
- cancelAutoSlide();
- dom.wrapper.classList.add( 'paused' );
- if( wasPaused === false ) {
- dispatchEvent( 'paused' );
- }
- }
- }
-
- function resume() {
- var wasPaused = dom.wrapper.classList.contains( 'paused' );
- dom.wrapper.classList.remove( 'paused' );
- cueAutoSlide();
- if( wasPaused ) {
- dispatchEvent( 'resumed' );
- }
- }
-
- function togglePause( override ) {
- if( typeof override === 'boolean' ) {
- override ? pause() : resume();
- }
- else {
- isPaused() ? resume() : pause();
- }
- }
-
- function isPaused() {
- return dom.wrapper.classList.contains( 'paused' );
- }
-
- function toggleAutoSlide( override ) {
- if( typeof override === 'boolean' ) {
- override ? resumeAutoSlide() : pauseAutoSlide();
- }
- else {
- autoSlidePaused ? resumeAutoSlide() : pauseAutoSlide();
- }
- }
-
- function isAutoSliding() {
- return !!( autoSlide && !autoSlidePaused );
- }
-
- function slide( h, v, f, o ) {
-
- previousSlide = currentSlide;
-
- var horizontalSlides = dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR );
-
- if( horizontalSlides.length === 0 ) return;
-
-
- if( v === undefined && !isOverview() ) {
- v = getPreviousVerticalIndex( horizontalSlides[ h ] );
- }
-
-
- if( previousSlide && previousSlide.parentNode && previousSlide.parentNode.classList.contains( 'stack' ) ) {
- setPreviousVerticalIndex( previousSlide.parentNode, indexv );
- }
-
- var stateBefore = state.concat();
-
- state.length = 0;
- var indexhBefore = indexh || 0,
- indexvBefore = indexv || 0;
-
- indexh = updateSlides( HORIZONTAL_SLIDES_SELECTOR, h === undefined ? indexh : h );
- indexv = updateSlides( VERTICAL_SLIDES_SELECTOR, v === undefined ? indexv : v );
-
- updateSlidesVisibility();
- layout();
-
- if( isOverview() ) {
- updateOverview();
- }
-
-
- var currentHorizontalSlide = horizontalSlides[ indexh ],
- currentVerticalSlides = currentHorizontalSlide.querySelectorAll( 'section' );
-
- currentSlide = currentVerticalSlides[ indexv ] || currentHorizontalSlide;
-
- if( typeof f !== 'undefined' ) {
- navigateFragment( f );
- }
-
- var slideChanged = ( indexh !== indexhBefore || indexv !== indexvBefore );
- if (!slideChanged) {
-
- previousSlide = null;
- }
-
-
-
- if( previousSlide && previousSlide !== currentSlide ) {
- previousSlide.classList.remove( 'present' );
- previousSlide.setAttribute( 'aria-hidden', 'true' );
-
-
- if ( dom.wrapper.querySelector( HOME_SLIDE_SELECTOR ).classList.contains( 'present' ) ) {
-
- setTimeout( function () {
- var slides = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.stack') ), i;
- for( i in slides ) {
- if( slides[i] ) {
-
- setPreviousVerticalIndex( slides[i], 0 );
- }
- }
- }, 0 );
- }
- }
-
- stateLoop: for( var i = 0, len = state.length; i < len; i++ ) {
-
-
- for( var j = 0; j < stateBefore.length; j++ ) {
- if( stateBefore[j] === state[i] ) {
- stateBefore.splice( j, 1 );
- continue stateLoop;
- }
- }
- document.documentElement.classList.add( state[i] );
-
- dispatchEvent( state[i] );
- }
-
- while( stateBefore.length ) {
- document.documentElement.classList.remove( stateBefore.pop() );
- }
- if( slideChanged ) {
- dispatchEvent( 'slidechanged', {
- 'indexh': indexh,
- 'indexv': indexv,
- 'previousSlide': previousSlide,
- 'currentSlide': currentSlide,
- 'origin': o
- } );
- }
-
- if( slideChanged || !previousSlide ) {
- stopEmbeddedContent( previousSlide );
- startEmbeddedContent( currentSlide );
- }
-
- dom.statusDiv.textContent = getStatusText( currentSlide );
- updateControls();
- updateProgress();
- updateBackground();
- updateParallax();
- updateSlideNumber();
- updateNotes();
- updateFragments();
-
- writeURL();
- cueAutoSlide();
- }
-
- function sync() {
-
- removeEventListeners();
- addEventListeners();
-
- layout();
-
- autoSlide = config.autoSlide;
-
- cueAutoSlide();
-
- createBackgrounds();
-
- writeURL();
- sortAllFragments();
- updateControls();
- updateProgress();
- updateSlideNumber();
- updateSlidesVisibility();
- updateBackground( true );
- updateNotesVisibility();
- updateNotes();
- formatEmbeddedContent();
-
- if( config.autoPlayMedia === false ) {
- stopEmbeddedContent( currentSlide, { unloadIframes: false } );
- }
- else {
- startEmbeddedContent( currentSlide );
- }
- if( isOverview() ) {
- layoutOverview();
- }
- }
-
- function syncSlide( slide ) {
-
- slide = slide || currentSlide;
- syncBackground( slide );
- syncFragments( slide );
- loadSlide( slide );
- updateBackground();
- updateNotes();
- }
-
- function syncFragments( slide ) {
-
- slide = slide || currentSlide;
- return sortFragments( slide.querySelectorAll( '.fragment' ) );
- }
-
- function resetVerticalSlides() {
- var horizontalSlides = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
- horizontalSlides.forEach( function( horizontalSlide ) {
- var verticalSlides = toArray( horizontalSlide.querySelectorAll( 'section' ) );
- verticalSlides.forEach( function( verticalSlide, y ) {
- if( y > 0 ) {
- verticalSlide.classList.remove( 'present' );
- verticalSlide.classList.remove( 'past' );
- verticalSlide.classList.add( 'future' );
- verticalSlide.setAttribute( 'aria-hidden', 'true' );
- }
- } );
- } );
- }
-
- function sortAllFragments() {
- var horizontalSlides = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
- horizontalSlides.forEach( function( horizontalSlide ) {
- var verticalSlides = toArray( horizontalSlide.querySelectorAll( 'section' ) );
- verticalSlides.forEach( function( verticalSlide, y ) {
- sortFragments( verticalSlide.querySelectorAll( '.fragment' ) );
- } );
- if( verticalSlides.length === 0 ) sortFragments( horizontalSlide.querySelectorAll( '.fragment' ) );
- } );
- }
-
- function shuffle() {
- var slides = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
- slides.forEach( function( slide ) {
-
-
- dom.slides.insertBefore( slide, slides[ Math.floor( Math.random() * slides.length ) ] );
- } );
- }
-
- function updateSlides( selector, index ) {
-
-
- var slides = toArray( dom.wrapper.querySelectorAll( selector ) ),
- slidesLength = slides.length;
- var printMode = isPrintingPDF();
- if( slidesLength ) {
-
- if( config.loop ) {
- index %= slidesLength;
- if( index < 0 ) {
- index = slidesLength + index;
- }
- }
-
- index = Math.max( Math.min( index, slidesLength - 1 ), 0 );
- for( var i = 0; i < slidesLength; i++ ) {
- var element = slides[i];
- var reverse = config.rtl && !isVerticalSlide( element );
- element.classList.remove( 'past' );
- element.classList.remove( 'present' );
- element.classList.remove( 'future' );
-
- element.setAttribute( 'hidden', '' );
- element.setAttribute( 'aria-hidden', 'true' );
-
- if( element.querySelector( 'section' ) ) {
- element.classList.add( 'stack' );
- }
-
- if( printMode ) {
- element.classList.add( 'present' );
- continue;
- }
- if( i < index ) {
-
- element.classList.add( reverse ? 'future' : 'past' );
- if( config.fragments ) {
-
- toArray( element.querySelectorAll( '.fragment' ) ).forEach( function( fragment ) {
- fragment.classList.add( 'visible' );
- fragment.classList.remove( 'current-fragment' );
- } );
- }
- }
- else if( i > index ) {
-
- element.classList.add( reverse ? 'past' : 'future' );
- if( config.fragments ) {
-
- toArray( element.querySelectorAll( '.fragment.visible' ) ).forEach( function( fragment ) {
- fragment.classList.remove( 'visible' );
- fragment.classList.remove( 'current-fragment' );
- } );
- }
- }
- }
-
- slides[index].classList.add( 'present' );
- slides[index].removeAttribute( 'hidden' );
- slides[index].removeAttribute( 'aria-hidden' );
-
-
- var slideState = slides[index].getAttribute( 'data-state' );
- if( slideState ) {
- state = state.concat( slideState.split( ' ' ) );
- }
- }
- else {
-
-
- index = 0;
- }
- return index;
- }
-
- function updateSlidesVisibility() {
-
-
- var horizontalSlides = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ),
- horizontalSlidesLength = horizontalSlides.length,
- distanceX,
- distanceY;
- if( horizontalSlidesLength && typeof indexh !== 'undefined' ) {
-
-
- var viewDistance = isOverview() ? 10 : config.viewDistance;
-
-
- if( isMobileDevice ) {
- viewDistance = isOverview() ? 6 : config.mobileViewDistance;
- }
-
- if( isPrintingPDF() ) {
- viewDistance = Number.MAX_VALUE;
- }
- for( var x = 0; x < horizontalSlidesLength; x++ ) {
- var horizontalSlide = horizontalSlides[x];
- var verticalSlides = toArray( horizontalSlide.querySelectorAll( 'section' ) ),
- verticalSlidesLength = verticalSlides.length;
-
- distanceX = Math.abs( ( indexh || 0 ) - x ) || 0;
-
-
- if( config.loop ) {
- distanceX = Math.abs( ( ( indexh || 0 ) - x ) % ( horizontalSlidesLength - viewDistance ) ) || 0;
- }
-
- if( distanceX < viewDistance ) {
- loadSlide( horizontalSlide );
- }
- else {
- unloadSlide( horizontalSlide );
- }
- if( verticalSlidesLength ) {
- var oy = getPreviousVerticalIndex( horizontalSlide );
- for( var y = 0; y < verticalSlidesLength; y++ ) {
- var verticalSlide = verticalSlides[y];
- distanceY = x === ( indexh || 0 ) ? Math.abs( ( indexv || 0 ) - y ) : Math.abs( y - oy );
- if( distanceX + distanceY < viewDistance ) {
- loadSlide( verticalSlide );
- }
- else {
- unloadSlide( verticalSlide );
- }
- }
- }
- }
-
- if( hasVerticalSlides() ) {
- dom.wrapper.classList.add( 'has-vertical-slides' );
- }
- else {
- dom.wrapper.classList.remove( 'has-vertical-slides' );
- }
-
- if( hasHorizontalSlides() ) {
- dom.wrapper.classList.add( 'has-horizontal-slides' );
- }
- else {
- dom.wrapper.classList.remove( 'has-horizontal-slides' );
- }
- }
- }
-
- function updateNotes() {
- if( config.showNotes && dom.speakerNotes && currentSlide && !isPrintingPDF() ) {
- dom.speakerNotes.innerHTML = getSlideNotes() || '<span class="notes-placeholder">No notes on this slide.</span>';
- }
- }
-
- function updateNotesVisibility() {
- if( config.showNotes && hasNotes() ) {
- dom.wrapper.classList.add( 'show-notes' );
- }
- else {
- dom.wrapper.classList.remove( 'show-notes' );
- }
- }
-
- function hasNotes() {
- return dom.slides.querySelectorAll( '[data-notes], aside.notes' ).length > 0;
- }
-
- function updateProgress() {
-
- if( config.progress && dom.progressbar ) {
- dom.progressbar.style.width = getProgress() * dom.wrapper.offsetWidth + 'px';
- }
- }
-
- function updateSlideNumber() {
-
- if( config.slideNumber && dom.slideNumber ) {
- dom.slideNumber.innerHTML = getSlideNumber();
- }
- }
-
- function getSlideNumber( slide ) {
- var value;
- var format = 'h.v';
- if( slide === undefined ) {
- slide = currentSlide;
- }
- if ( typeof config.slideNumber === 'function' ) {
- value = config.slideNumber( slide );
- } else {
-
- if( typeof config.slideNumber === 'string' ) {
- format = config.slideNumber;
- }
-
-
- if( !/c/.test( format ) && dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ).length === 1 ) {
- format = 'c';
- }
- value = [];
- switch( format ) {
- case 'c':
- value.push( getSlidePastCount( slide ) + 1 );
- break;
- case 'c/t':
- value.push( getSlidePastCount( slide ) + 1, '/', getTotalSlides() );
- break;
- default:
- var indices = getIndices( slide );
- value.push( indices.h + 1 );
- var sep = format === 'h/v' ? '/' : '.';
- if( isVerticalSlide( slide ) ) value.push( sep, indices.v + 1 );
- }
- }
- var url = '#' + locationHash( slide );
- return formatSlideNumber( value[0], value[1], value[2], url );
- }
-
- function formatSlideNumber( a, delimiter, b, url ) {
- if( url === undefined ) {
- url = '#' + locationHash();
- }
- if( typeof b === 'number' && !isNaN( b ) ) {
- return '<a href="' + url + '">' +
- '<span class="slide-number-a">'+ a +'</span>' +
- '<span class="slide-number-delimiter">'+ delimiter +'</span>' +
- '<span class="slide-number-b">'+ b +'</span>' +
- '</a>';
- }
- else {
- return '<a href="' + url + '">' +
- '<span class="slide-number-a">'+ a +'</span>' +
- '</a>';
- }
- }
-
- function updateControls() {
- var routes = availableRoutes();
- var fragments = availableFragments();
-
- dom.controlsLeft.concat( dom.controlsRight )
- .concat( dom.controlsUp )
- .concat( dom.controlsDown )
- .concat( dom.controlsPrev )
- .concat( dom.controlsNext ).forEach( function( node ) {
- node.classList.remove( 'enabled' );
- node.classList.remove( 'fragmented' );
-
- node.setAttribute( 'disabled', 'disabled' );
- } );
-
- if( routes.left ) dom.controlsLeft.forEach( function( el ) { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
- if( routes.right ) dom.controlsRight.forEach( function( el ) { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
- if( routes.up ) dom.controlsUp.forEach( function( el ) { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
- if( routes.down ) dom.controlsDown.forEach( function( el ) { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
-
- if( routes.left || routes.up ) dom.controlsPrev.forEach( function( el ) { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
- if( routes.right || routes.down ) dom.controlsNext.forEach( function( el ) { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
-
- if( currentSlide ) {
-
- if( fragments.prev ) dom.controlsPrev.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
- if( fragments.next ) dom.controlsNext.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
-
-
- if( isVerticalSlide( currentSlide ) ) {
- if( fragments.prev ) dom.controlsUp.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
- if( fragments.next ) dom.controlsDown.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
- }
- else {
- if( fragments.prev ) dom.controlsLeft.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
- if( fragments.next ) dom.controlsRight.forEach( function( el ) { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
- }
- }
- if( config.controlsTutorial ) {
-
-
- if( !hasNavigatedDown && routes.down ) {
- dom.controlsDownArrow.classList.add( 'highlight' );
- }
- else {
- dom.controlsDownArrow.classList.remove( 'highlight' );
- if( !hasNavigatedRight && routes.right && indexv === 0 ) {
- dom.controlsRightArrow.classList.add( 'highlight' );
- }
- else {
- dom.controlsRightArrow.classList.remove( 'highlight' );
- }
- }
- }
- }
-
- function updateBackground( includeAll ) {
- var currentBackground = null;
-
- var horizontalPast = config.rtl ? 'future' : 'past',
- horizontalFuture = config.rtl ? 'past' : 'future';
-
-
- toArray( dom.background.childNodes ).forEach( function( backgroundh, h ) {
- backgroundh.classList.remove( 'past' );
- backgroundh.classList.remove( 'present' );
- backgroundh.classList.remove( 'future' );
- if( h < indexh ) {
- backgroundh.classList.add( horizontalPast );
- }
- else if ( h > indexh ) {
- backgroundh.classList.add( horizontalFuture );
- }
- else {
- backgroundh.classList.add( 'present' );
-
- currentBackground = backgroundh;
- }
- if( includeAll || h === indexh ) {
- toArray( backgroundh.querySelectorAll( '.slide-background' ) ).forEach( function( backgroundv, v ) {
- backgroundv.classList.remove( 'past' );
- backgroundv.classList.remove( 'present' );
- backgroundv.classList.remove( 'future' );
- if( v < indexv ) {
- backgroundv.classList.add( 'past' );
- }
- else if ( v > indexv ) {
- backgroundv.classList.add( 'future' );
- }
- else {
- backgroundv.classList.add( 'present' );
-
- if( h === indexh ) currentBackground = backgroundv;
- }
- } );
- }
- } );
-
- if( previousBackground ) {
- stopEmbeddedContent( previousBackground, { unloadIframes: !shouldPreload( previousBackground ) } );
- }
-
- if( currentBackground ) {
- startEmbeddedContent( currentBackground );
- var currentBackgroundContent = currentBackground.querySelector( '.slide-background-content' );
- if( currentBackgroundContent ) {
- var backgroundImageURL = currentBackgroundContent.style.backgroundImage || '';
-
- if( /\.gif/i.test( backgroundImageURL ) ) {
- currentBackgroundContent.style.backgroundImage = '';
- window.getComputedStyle( currentBackgroundContent ).opacity;
- currentBackgroundContent.style.backgroundImage = backgroundImageURL;
- }
- }
-
-
- var previousBackgroundHash = previousBackground ? previousBackground.getAttribute( 'data-background-hash' ) : null;
- var currentBackgroundHash = currentBackground.getAttribute( 'data-background-hash' );
- if( currentBackgroundHash && currentBackgroundHash === previousBackgroundHash && currentBackground !== previousBackground ) {
- dom.background.classList.add( 'no-transition' );
- }
- previousBackground = currentBackground;
- }
-
-
- if( currentSlide ) {
- [ 'has-light-background', 'has-dark-background' ].forEach( function( classToBubble ) {
- if( currentSlide.classList.contains( classToBubble ) ) {
- dom.wrapper.classList.add( classToBubble );
- }
- else {
- dom.wrapper.classList.remove( classToBubble );
- }
- } );
- }
-
- setTimeout( function() {
- dom.background.classList.remove( 'no-transition' );
- }, 1 );
- }
-
- function updateParallax() {
- if( config.parallaxBackgroundImage ) {
- var horizontalSlides = dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ),
- verticalSlides = dom.wrapper.querySelectorAll( VERTICAL_SLIDES_SELECTOR );
- var backgroundSize = dom.background.style.backgroundSize.split( ' ' ),
- backgroundWidth, backgroundHeight;
- if( backgroundSize.length === 1 ) {
- backgroundWidth = backgroundHeight = parseInt( backgroundSize[0], 10 );
- }
- else {
- backgroundWidth = parseInt( backgroundSize[0], 10 );
- backgroundHeight = parseInt( backgroundSize[1], 10 );
- }
- var slideWidth = dom.background.offsetWidth,
- horizontalSlideCount = horizontalSlides.length,
- horizontalOffsetMultiplier,
- horizontalOffset;
- if( typeof config.parallaxBackgroundHorizontal === 'number' ) {
- horizontalOffsetMultiplier = config.parallaxBackgroundHorizontal;
- }
- else {
- horizontalOffsetMultiplier = horizontalSlideCount > 1 ? ( backgroundWidth - slideWidth ) / ( horizontalSlideCount-1 ) : 0;
- }
- horizontalOffset = horizontalOffsetMultiplier * indexh * -1;
- var slideHeight = dom.background.offsetHeight,
- verticalSlideCount = verticalSlides.length,
- verticalOffsetMultiplier,
- verticalOffset;
- if( typeof config.parallaxBackgroundVertical === 'number' ) {
- verticalOffsetMultiplier = config.parallaxBackgroundVertical;
- }
- else {
- verticalOffsetMultiplier = ( backgroundHeight - slideHeight ) / ( verticalSlideCount-1 );
- }
- verticalOffset = verticalSlideCount > 0 ? verticalOffsetMultiplier * indexv : 0;
- dom.background.style.backgroundPosition = horizontalOffset + 'px ' + -verticalOffset + 'px';
- }
- }
-
- function shouldPreload( element ) {
-
- var preload = config.preloadIframes;
-
-
- if( typeof preload !== 'boolean' ) {
- preload = element.hasAttribute( 'data-preload' );
- }
- return preload;
- }
-
- function loadSlide( slide, options ) {
- options = options || {};
-
- slide.style.display = config.display;
-
- toArray( slide.querySelectorAll( 'img[data-src], video[data-src], audio[data-src], iframe[data-src]' ) ).forEach( function( element ) {
- if( element.tagName !== 'IFRAME' || shouldPreload( element ) ) {
- element.setAttribute( 'src', element.getAttribute( 'data-src' ) );
- element.setAttribute( 'data-lazy-loaded', '' );
- element.removeAttribute( 'data-src' );
- }
- } );
-
- toArray( slide.querySelectorAll( 'video, audio' ) ).forEach( function( media ) {
- var sources = 0;
- toArray( media.querySelectorAll( 'source[data-src]' ) ).forEach( function( source ) {
- source.setAttribute( 'src', source.getAttribute( 'data-src' ) );
- source.removeAttribute( 'data-src' );
- source.setAttribute( 'data-lazy-loaded', '' );
- sources += 1;
- } );
-
-
- if( sources > 0 ) {
- media.load();
- }
- } );
-
- var background = slide.slideBackgroundElement;
- if( background ) {
- background.style.display = 'block';
- var backgroundContent = slide.slideBackgroundContentElement;
- var backgroundIframe = slide.getAttribute( 'data-background-iframe' );
-
- if( background.hasAttribute( 'data-loaded' ) === false ) {
- background.setAttribute( 'data-loaded', 'true' );
- var backgroundImage = slide.getAttribute( 'data-background-image' ),
- backgroundVideo = slide.getAttribute( 'data-background-video' ),
- backgroundVideoLoop = slide.hasAttribute( 'data-background-video-loop' ),
- backgroundVideoMuted = slide.hasAttribute( 'data-background-video-muted' );
-
- if( backgroundImage ) {
- backgroundContent.style.backgroundImage = 'url('+ encodeURI( backgroundImage ) +')';
- }
-
- else if ( backgroundVideo && !isSpeakerNotes() ) {
- var video = document.createElement( 'video' );
- if( backgroundVideoLoop ) {
- video.setAttribute( 'loop', '' );
- }
- if( backgroundVideoMuted ) {
- video.muted = true;
- }
-
-
-
- if( isMobileDevice ) {
- video.muted = true;
- video.autoplay = true;
- video.setAttribute( 'playsinline', '' );
- }
-
- backgroundVideo.split( ',' ).forEach( function( source ) {
- video.innerHTML += '<source src="'+ source +'">';
- } );
- backgroundContent.appendChild( video );
- }
-
- else if( backgroundIframe && options.excludeIframes !== true ) {
- var iframe = document.createElement( 'iframe' );
- iframe.setAttribute( 'allowfullscreen', '' );
- iframe.setAttribute( 'mozallowfullscreen', '' );
- iframe.setAttribute( 'webkitallowfullscreen', '' );
- iframe.setAttribute( 'allow', 'autoplay' );
- iframe.setAttribute( 'data-src', backgroundIframe );
- iframe.style.width = '100%';
- iframe.style.height = '100%';
- iframe.style.maxHeight = '100%';
- iframe.style.maxWidth = '100%';
- backgroundContent.appendChild( iframe );
- }
- }
-
- var backgroundIframeElement = backgroundContent.querySelector( 'iframe[data-src]' );
- if( backgroundIframeElement ) {
-
- if( shouldPreload( background ) && !/autoplay=(1|true|yes)/gi.test( backgroundIframe ) ) {
- if( backgroundIframeElement.getAttribute( 'src' ) !== backgroundIframe ) {
- backgroundIframeElement.setAttribute( 'src', backgroundIframe );
- }
- }
- }
- }
- }
-
- function unloadSlide( slide ) {
-
- slide.style.display = 'none';
-
- var background = getSlideBackground( slide );
- if( background ) {
- background.style.display = 'none';
-
- toArray( background.querySelectorAll( 'iframe[src]' ) ).forEach( function( element ) {
- element.removeAttribute( 'src' );
- } );
- }
-
- toArray( slide.querySelectorAll( 'video[data-lazy-loaded][src], audio[data-lazy-loaded][src], iframe[data-lazy-loaded][src]' ) ).forEach( function( element ) {
- element.setAttribute( 'data-src', element.getAttribute( 'src' ) );
- element.removeAttribute( 'src' );
- } );
-
- toArray( slide.querySelectorAll( 'video[data-lazy-loaded] source[src], audio source[src]' ) ).forEach( function( source ) {
- source.setAttribute( 'data-src', source.getAttribute( 'src' ) );
- source.removeAttribute( 'src' );
- } );
- }
-
- function availableRoutes() {
- var horizontalSlides = dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ),
- verticalSlides = dom.wrapper.querySelectorAll( VERTICAL_SLIDES_SELECTOR );
- var routes = {
- left: indexh > 0,
- right: indexh < horizontalSlides.length - 1,
- up: indexv > 0,
- down: indexv < verticalSlides.length - 1
- };
-
-
- if( config.loop ) {
- if( horizontalSlides.length > 1 ) {
- routes.left = true;
- routes.right = true;
- }
- if( verticalSlides.length > 1 ) {
- routes.up = true;
- routes.down = true;
- }
- }
-
- if( config.rtl ) {
- var left = routes.left;
- routes.left = routes.right;
- routes.right = left;
- }
- return routes;
- }
-
- function availableFragments() {
- if( currentSlide && config.fragments ) {
- var fragments = currentSlide.querySelectorAll( '.fragment' );
- var hiddenFragments = currentSlide.querySelectorAll( '.fragment:not(.visible)' );
- return {
- prev: fragments.length - hiddenFragments.length > 0,
- next: !!hiddenFragments.length
- };
- }
- else {
- return { prev: false, next: false };
- }
- }
-
- function formatEmbeddedContent() {
- var _appendParamToIframeSource = function( sourceAttribute, sourceURL, param ) {
- toArray( dom.slides.querySelectorAll( 'iframe['+ sourceAttribute +'*="'+ sourceURL +'"]' ) ).forEach( function( el ) {
- var src = el.getAttribute( sourceAttribute );
- if( src && src.indexOf( param ) === -1 ) {
- el.setAttribute( sourceAttribute, src + ( !/\?/.test( src ) ? '?' : '&' ) + param );
- }
- });
- };
-
- _appendParamToIframeSource( 'src', 'youtube.com/embed/', 'enablejsapi=1' );
- _appendParamToIframeSource( 'data-src', 'youtube.com/embed/', 'enablejsapi=1' );
-
- _appendParamToIframeSource( 'src', 'player.vimeo.com/', 'api=1' );
- _appendParamToIframeSource( 'data-src', 'player.vimeo.com/', 'api=1' );
- }
-
- function startEmbeddedContent( element ) {
- if( element && !isSpeakerNotes() ) {
-
- toArray( element.querySelectorAll( 'img[src$=".gif"]' ) ).forEach( function( el ) {
-
-
- el.setAttribute( 'src', el.getAttribute( 'src' ) );
- } );
-
- toArray( element.querySelectorAll( 'video, audio' ) ).forEach( function( el ) {
- if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) {
- return;
- }
-
- var autoplay = config.autoPlayMedia;
-
-
- if( typeof autoplay !== 'boolean' ) {
- autoplay = el.hasAttribute( 'data-autoplay' ) || !!closestParent( el, '.slide-background' );
- }
- if( autoplay && typeof el.play === 'function' ) {
-
- if( el.readyState > 1 ) {
- startEmbeddedMedia( { target: el } );
- }
-
-
- else if( isMobileDevice ) {
- var promise = el.play();
-
-
- if( promise && typeof promise.catch === 'function' && el.controls === false ) {
- promise.catch( function() {
- el.controls = true;
-
- el.addEventListener( 'play', function() {
- el.controls = false;
- } );
- } );
- }
- }
-
- else {
- el.removeEventListener( 'loadeddata', startEmbeddedMedia );
- el.addEventListener( 'loadeddata', startEmbeddedMedia );
- }
- }
- } );
-
- toArray( element.querySelectorAll( 'iframe[src]' ) ).forEach( function( el ) {
- if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) {
- return;
- }
- startEmbeddedIframe( { target: el } );
- } );
-
- toArray( element.querySelectorAll( 'iframe[data-src]' ) ).forEach( function( el ) {
- if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) {
- return;
- }
- if( el.getAttribute( 'src' ) !== el.getAttribute( 'data-src' ) ) {
- el.removeEventListener( 'load', startEmbeddedIframe );
- el.addEventListener( 'load', startEmbeddedIframe );
- el.setAttribute( 'src', el.getAttribute( 'data-src' ) );
- }
- } );
- }
- }
-
- function startEmbeddedMedia( event ) {
- var isAttachedToDOM = !!closestParent( event.target, 'html' ),
- isVisible = !!closestParent( event.target, '.present' );
- if( isAttachedToDOM && isVisible ) {
- event.target.currentTime = 0;
- event.target.play();
- }
- event.target.removeEventListener( 'loadeddata', startEmbeddedMedia );
- }
-
- function startEmbeddedIframe( event ) {
- var iframe = event.target;
- if( iframe && iframe.contentWindow ) {
- var isAttachedToDOM = !!closestParent( event.target, 'html' ),
- isVisible = !!closestParent( event.target, '.present' );
- if( isAttachedToDOM && isVisible ) {
-
- var autoplay = config.autoPlayMedia;
-
-
- if( typeof autoplay !== 'boolean' ) {
- autoplay = iframe.hasAttribute( 'data-autoplay' ) || !!closestParent( iframe, '.slide-background' );
- }
-
- if( /youtube\.com\/embed\//.test( iframe.getAttribute( 'src' ) ) && autoplay ) {
- iframe.contentWindow.postMessage( '{"event":"command","func":"playVideo","args":""}', '*' );
- }
-
- else if( /player\.vimeo\.com\//.test( iframe.getAttribute( 'src' ) ) && autoplay ) {
- iframe.contentWindow.postMessage( '{"method":"play"}', '*' );
- }
-
- else {
- iframe.contentWindow.postMessage( 'slide:start', '*' );
- }
- }
- }
- }
-
- function stopEmbeddedContent( element, options ) {
- options = extend( {
-
- unloadIframes: true
- }, options || {} );
- if( element && element.parentNode ) {
-
- toArray( element.querySelectorAll( 'video, audio' ) ).forEach( function( el ) {
- if( !el.hasAttribute( 'data-ignore' ) && typeof el.pause === 'function' ) {
- el.setAttribute('data-paused-by-reveal', '');
- el.pause();
- }
- } );
-
- toArray( element.querySelectorAll( 'iframe' ) ).forEach( function( el ) {
- if( el.contentWindow ) el.contentWindow.postMessage( 'slide:stop', '*' );
- el.removeEventListener( 'load', startEmbeddedIframe );
- });
-
- toArray( element.querySelectorAll( 'iframe[src*="youtube.com/embed/"]' ) ).forEach( function( el ) {
- if( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) {
- el.contentWindow.postMessage( '{"event":"command","func":"pauseVideo","args":""}', '*' );
- }
- });
-
- toArray( element.querySelectorAll( 'iframe[src*="player.vimeo.com/"]' ) ).forEach( function( el ) {
- if( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) {
- el.contentWindow.postMessage( '{"method":"pause"}', '*' );
- }
- });
- if( options.unloadIframes === true ) {
-
- toArray( element.querySelectorAll( 'iframe[data-src]' ) ).forEach( function( el ) {
-
-
- el.setAttribute( 'src', 'about:blank' );
- el.removeAttribute( 'src' );
- } );
- }
- }
- }
-
- function getSlidePastCount( slide ) {
- if( slide === undefined ) {
- slide = currentSlide;
- }
- var horizontalSlides = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
-
- var pastCount = 0;
-
- mainLoop: for( var i = 0; i < horizontalSlides.length; i++ ) {
- var horizontalSlide = horizontalSlides[i];
- var verticalSlides = toArray( horizontalSlide.querySelectorAll( 'section' ) );
- for( var j = 0; j < verticalSlides.length; j++ ) {
-
- if( verticalSlides[j] === slide ) {
- break mainLoop;
- }
- pastCount++;
- }
-
- if( horizontalSlide === slide ) {
- break;
- }
-
- if( horizontalSlide.classList.contains( 'stack' ) === false ) {
- pastCount++;
- }
- }
- return pastCount;
- }
-
- function getProgress() {
-
- var totalCount = getTotalSlides();
- var pastCount = getSlidePastCount();
- if( currentSlide ) {
- var allFragments = currentSlide.querySelectorAll( '.fragment' );
-
-
- if( allFragments.length > 0 ) {
- var visibleFragments = currentSlide.querySelectorAll( '.fragment.visible' );
-
-
- var fragmentWeight = 0.9;
-
- pastCount += ( visibleFragments.length / allFragments.length ) * fragmentWeight;
- }
- }
- return Math.min( pastCount / ( totalCount - 1 ), 1 );
- }
-
- function isSpeakerNotes() {
- return !!window.location.search.match( /receiver/gi );
- }
-
- function readURL() {
- var hash = window.location.hash;
-
- var bits = hash.slice( 2 ).split( '/' ),
- name = hash.replace( /#|\//gi, '' );
-
-
- if( !/^[0-9]*$/.test( bits[0] ) && name.length ) {
- var element;
-
- try {
- element = document.getElementById( decodeURIComponent( name ) );
- }
- catch ( error ) { }
-
- var isSameNameAsCurrentSlide = currentSlide ? currentSlide.getAttribute( 'id' ) === name : false;
- if( element ) {
-
- if ( !isSameNameAsCurrentSlide ) {
-
- var indices = Reveal.getIndices(element);
- slide(indices.h, indices.v);
- }
- }
-
- else {
- slide( indexh || 0, indexv || 0 );
- }
- }
- else {
- var hashIndexBase = config.hashOneBasedIndex ? 1 : 0;
-
- var h = ( parseInt( bits[0], 10 ) - hashIndexBase ) || 0,
- v = ( parseInt( bits[1], 10 ) - hashIndexBase ) || 0,
- f;
- if( config.fragmentInURL ) {
- f = parseInt( bits[2], 10 );
- if( isNaN( f ) ) {
- f = undefined;
- }
- }
- if( h !== indexh || v !== indexv || f !== undefined ) {
- slide( h, v, f );
- }
- }
- }
-
- function writeURL( delay ) {
-
- clearTimeout( writeURLTimeout );
-
- if( typeof delay === 'number' ) {
- writeURLTimeout = setTimeout( writeURL, delay );
- }
- else if( currentSlide ) {
-
-
- if( config.history || !window.history ) {
- window.location.hash = locationHash();
- }
-
-
- else if( config.hash ) {
- window.history.replaceState( null, null, '#' + locationHash() );
- }
-
-
-
- else {
- window.history.replaceState( null, null, window.location.pathname + window.location.search );
- }
- }
- }
-
- function getIndices( slide ) {
-
- var h = indexh,
- v = indexv,
- f;
-
- if( slide ) {
- var isVertical = isVerticalSlide( slide );
- var slideh = isVertical ? slide.parentNode : slide;
-
- var horizontalSlides = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
-
- h = Math.max( horizontalSlides.indexOf( slideh ), 0 );
-
- v = undefined;
-
- if( isVertical ) {
- v = Math.max( toArray( slide.parentNode.querySelectorAll( 'section' ) ).indexOf( slide ), 0 );
- }
- }
- if( !slide && currentSlide ) {
- var hasFragments = currentSlide.querySelectorAll( '.fragment' ).length > 0;
- if( hasFragments ) {
- var currentFragment = currentSlide.querySelector( '.current-fragment' );
- if( currentFragment && currentFragment.hasAttribute( 'data-fragment-index' ) ) {
- f = parseInt( currentFragment.getAttribute( 'data-fragment-index' ), 10 );
- }
- else {
- f = currentSlide.querySelectorAll( '.fragment.visible' ).length - 1;
- }
- }
- }
- return { h: h, v: v, f: f };
- }
-
- function getSlides() {
- return toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR + ':not(.stack)' ) );
- }
-
- function getHorizontalSlides() {
- return toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) );
- }
-
- function getVerticalSlides() {
- return toArray( dom.wrapper.querySelectorAll( '.slides>section>section' ) );
- }
-
- function hasHorizontalSlides() {
- return getHorizontalSlides().length > 1;
- }
-
- function hasVerticalSlides() {
- return getVerticalSlides().length > 1;
- }
-
- function getSlidesAttributes() {
- return getSlides().map( function( slide ) {
- var attributes = {};
- for( var i = 0; i < slide.attributes.length; i++ ) {
- var attribute = slide.attributes[ i ];
- attributes[ attribute.name ] = attribute.value;
- }
- return attributes;
- } );
- }
-
- function getTotalSlides() {
- return getSlides().length;
- }
-
- function getSlide( x, y ) {
- var horizontalSlide = dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR )[ x ];
- var verticalSlides = horizontalSlide && horizontalSlide.querySelectorAll( 'section' );
- if( verticalSlides && verticalSlides.length && typeof y === 'number' ) {
- return verticalSlides ? verticalSlides[ y ] : undefined;
- }
- return horizontalSlide;
- }
-
- function getSlideBackground( x, y ) {
- var slide = typeof x === 'number' ? getSlide( x, y ) : x;
- if( slide ) {
- return slide.slideBackgroundElement;
- }
- return undefined;
- }
-
- function getSlideNotes( slide ) {
-
- slide = slide || currentSlide;
-
- if( slide.hasAttribute( 'data-notes' ) ) {
- return slide.getAttribute( 'data-notes' );
- }
-
- var notesElement = slide.querySelector( 'aside.notes' );
- if( notesElement ) {
- return notesElement.innerHTML;
- }
- return null;
- }
-
- function getState() {
- var indices = getIndices();
- return {
- indexh: indices.h,
- indexv: indices.v,
- indexf: indices.f,
- paused: isPaused(),
- overview: isOverview()
- };
- }
-
- function setState( state ) {
- if( typeof state === 'object' ) {
- slide( deserialize( state.indexh ), deserialize( state.indexv ), deserialize( state.indexf ) );
- var pausedFlag = deserialize( state.paused ),
- overviewFlag = deserialize( state.overview );
- if( typeof pausedFlag === 'boolean' && pausedFlag !== isPaused() ) {
- togglePause( pausedFlag );
- }
- if( typeof overviewFlag === 'boolean' && overviewFlag !== isOverview() ) {
- toggleOverview( overviewFlag );
- }
- }
- }
-
- function sortFragments( fragments, grouped ) {
- fragments = toArray( fragments );
- var ordered = [],
- unordered = [],
- sorted = [];
-
- fragments.forEach( function( fragment, i ) {
- if( fragment.hasAttribute( 'data-fragment-index' ) ) {
- var index = parseInt( fragment.getAttribute( 'data-fragment-index' ), 10 );
- if( !ordered[index] ) {
- ordered[index] = [];
- }
- ordered[index].push( fragment );
- }
- else {
- unordered.push( [ fragment ] );
- }
- } );
-
-
- ordered = ordered.concat( unordered );
-
-
- var index = 0;
-
-
- ordered.forEach( function( group ) {
- group.forEach( function( fragment ) {
- sorted.push( fragment );
- fragment.setAttribute( 'data-fragment-index', index );
- } );
- index ++;
- } );
- return grouped === true ? ordered : sorted;
- }
-
- function updateFragments( index, fragments ) {
- var changedFragments = {
- shown: [],
- hidden: []
- };
- if( currentSlide && config.fragments ) {
- fragments = fragments || sortFragments( currentSlide.querySelectorAll( '.fragment' ) );
- if( fragments.length ) {
- var maxIndex = 0;
- if( typeof index !== 'number' ) {
- var currentFragment = sortFragments( currentSlide.querySelectorAll( '.fragment.visible' ) ).pop();
- if( currentFragment ) {
- index = parseInt( currentFragment.getAttribute( 'data-fragment-index' ) || 0, 10 );
- }
- }
- toArray( fragments ).forEach( function( el, i ) {
- if( el.hasAttribute( 'data-fragment-index' ) ) {
- i = parseInt( el.getAttribute( 'data-fragment-index' ), 10 );
- }
- maxIndex = Math.max( maxIndex, i );
-
- if( i <= index ) {
- if( !el.classList.contains( 'visible' ) ) changedFragments.shown.push( el );
- el.classList.add( 'visible' );
- el.classList.remove( 'current-fragment' );
-
- dom.statusDiv.textContent = getStatusText( el );
- if( i === index ) {
- el.classList.add( 'current-fragment' );
- startEmbeddedContent( el );
- }
- }
-
- else {
- if( el.classList.contains( 'visible' ) ) changedFragments.hidden.push( el );
- el.classList.remove( 'visible' );
- el.classList.remove( 'current-fragment' );
- }
- } );
-
-
-
- index = typeof index === 'number' ? index : -1;
- index = Math.max( Math.min( index, maxIndex ), -1 );
- currentSlide.setAttribute( 'data-fragment', index );
- }
- }
- return changedFragments;
- }
-
- function navigateFragment( index, offset ) {
- if( currentSlide && config.fragments ) {
- var fragments = sortFragments( currentSlide.querySelectorAll( '.fragment' ) );
- if( fragments.length ) {
-
- if( typeof index !== 'number' ) {
- var lastVisibleFragment = sortFragments( currentSlide.querySelectorAll( '.fragment.visible' ) ).pop();
- if( lastVisibleFragment ) {
- index = parseInt( lastVisibleFragment.getAttribute( 'data-fragment-index' ) || 0, 10 );
- }
- else {
- index = -1;
- }
- }
-
- if( typeof offset === 'number' ) {
- index += offset;
- }
- var changedFragments = updateFragments( index, fragments );
- if( changedFragments.hidden.length ) {
- dispatchEvent( 'fragmenthidden', { fragment: changedFragments.hidden[0], fragments: changedFragments.hidden } );
- }
- if( changedFragments.shown.length ) {
- dispatchEvent( 'fragmentshown', { fragment: changedFragments.shown[0], fragments: changedFragments.shown } );
- }
- updateControls();
- updateProgress();
- if( config.fragmentInURL ) {
- writeURL();
- }
- return !!( changedFragments.shown.length || changedFragments.hidden.length );
- }
- }
- return false;
- }
-
- function nextFragment() {
- return navigateFragment( null, 1 );
- }
-
- function previousFragment() {
- return navigateFragment( null, -1 );
- }
-
- function cueAutoSlide() {
- cancelAutoSlide();
- if( currentSlide && config.autoSlide !== false ) {
- var fragment = currentSlide.querySelector( '.current-fragment' );
-
-
- if( !fragment ) fragment = currentSlide.querySelector( '.fragment' );
- var fragmentAutoSlide = fragment ? fragment.getAttribute( 'data-autoslide' ) : null;
- var parentAutoSlide = currentSlide.parentNode ? currentSlide.parentNode.getAttribute( 'data-autoslide' ) : null;
- var slideAutoSlide = currentSlide.getAttribute( 'data-autoslide' );
-
-
-
-
-
- if( fragmentAutoSlide ) {
- autoSlide = parseInt( fragmentAutoSlide, 10 );
- }
- else if( slideAutoSlide ) {
- autoSlide = parseInt( slideAutoSlide, 10 );
- }
- else if( parentAutoSlide ) {
- autoSlide = parseInt( parentAutoSlide, 10 );
- }
- else {
- autoSlide = config.autoSlide;
- }
-
-
-
-
-
- if( currentSlide.querySelectorAll( '.fragment' ).length === 0 ) {
- toArray( currentSlide.querySelectorAll( 'video, audio' ) ).forEach( function( el ) {
- if( el.hasAttribute( 'data-autoplay' ) ) {
- if( autoSlide && (el.duration * 1000 / el.playbackRate ) > autoSlide ) {
- autoSlide = ( el.duration * 1000 / el.playbackRate ) + 1000;
- }
- }
- } );
- }
-
-
-
-
-
-
- if( autoSlide && !autoSlidePaused && !isPaused() && !isOverview() && ( !Reveal.isLastSlide() || availableFragments().next || config.loop === true ) ) {
- autoSlideTimeout = setTimeout( function() {
- typeof config.autoSlideMethod === 'function' ? config.autoSlideMethod() : navigateNext();
- cueAutoSlide();
- }, autoSlide );
- autoSlideStartTime = Date.now();
- }
- if( autoSlidePlayer ) {
- autoSlidePlayer.setPlaying( autoSlideTimeout !== -1 );
- }
- }
- }
-
- function cancelAutoSlide() {
- clearTimeout( autoSlideTimeout );
- autoSlideTimeout = -1;
- }
- function pauseAutoSlide() {
- if( autoSlide && !autoSlidePaused ) {
- autoSlidePaused = true;
- dispatchEvent( 'autoslidepaused' );
- clearTimeout( autoSlideTimeout );
- if( autoSlidePlayer ) {
- autoSlidePlayer.setPlaying( false );
- }
- }
- }
- function resumeAutoSlide() {
- if( autoSlide && autoSlidePaused ) {
- autoSlidePaused = false;
- dispatchEvent( 'autoslideresumed' );
- cueAutoSlide();
- }
- }
- function navigateLeft() {
-
- if( config.rtl ) {
- if( ( isOverview() || nextFragment() === false ) && availableRoutes().left ) {
- slide( indexh + 1, config.navigationMode === 'grid' ? indexv : undefined );
- }
- }
-
- else if( ( isOverview() || previousFragment() === false ) && availableRoutes().left ) {
- slide( indexh - 1, config.navigationMode === 'grid' ? indexv : undefined );
- }
- }
- function navigateRight() {
- hasNavigatedRight = true;
-
- if( config.rtl ) {
- if( ( isOverview() || previousFragment() === false ) && availableRoutes().right ) {
- slide( indexh - 1, config.navigationMode === 'grid' ? indexv : undefined );
- }
- }
-
- else if( ( isOverview() || nextFragment() === false ) && availableRoutes().right ) {
- slide( indexh + 1, config.navigationMode === 'grid' ? indexv : undefined );
- }
- }
- function navigateUp() {
-
- if( ( isOverview() || previousFragment() === false ) && availableRoutes().up ) {
- slide( indexh, indexv - 1 );
- }
- }
- function navigateDown() {
- hasNavigatedDown = true;
-
- if( ( isOverview() || nextFragment() === false ) && availableRoutes().down ) {
- slide( indexh, indexv + 1 );
- }
- }
-
- function navigatePrev() {
-
- if( previousFragment() === false ) {
- if( availableRoutes().up ) {
- navigateUp();
- }
- else {
-
- var previousSlide;
- if( config.rtl ) {
- previousSlide = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.future' ) ).pop();
- }
- else {
- previousSlide = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR + '.past' ) ).pop();
- }
- if( previousSlide ) {
- var v = ( previousSlide.querySelectorAll( 'section' ).length - 1 ) || undefined;
- var h = indexh - 1;
- slide( h, v );
- }
- }
- }
- }
-
- function navigateNext() {
- hasNavigatedRight = true;
- hasNavigatedDown = true;
-
- if( nextFragment() === false ) {
- var routes = availableRoutes();
-
-
-
- if( routes.down && routes.right && config.loop && Reveal.isLastVerticalSlide( currentSlide ) ) {
- routes.down = false;
- }
- if( routes.down ) {
- navigateDown();
- }
- else if( config.rtl ) {
- navigateLeft();
- }
- else {
- navigateRight();
- }
- }
- }
-
- function isSwipePrevented( target ) {
- while( target && typeof target.hasAttribute === 'function' ) {
- if( target.hasAttribute( 'data-prevent-swipe' ) ) return true;
- target = target.parentNode;
- }
- return false;
- }
-
-
-
-
- function onUserInput( event ) {
- if( config.autoSlideStoppable ) {
- pauseAutoSlide();
- }
- }
-
- function onDocumentCursorActive( event ) {
- showCursor();
- clearTimeout( cursorInactiveTimeout );
- cursorInactiveTimeout = setTimeout( hideCursor, config.hideCursorTime );
- }
-
- function onDocumentKeyPress( event ) {
-
- if( event.shiftKey && event.charCode === 63 ) {
- toggleHelp();
- }
- }
-
- function onDocumentKeyDown( event ) {
-
-
- if( typeof config.keyboardCondition === 'function' && config.keyboardCondition(event) === false ) {
- return true;
- }
-
- var keyCode = event.keyCode;
-
- var autoSlideWasPaused = autoSlidePaused;
- onUserInput( event );
-
- var activeElementIsCE = document.activeElement && document.activeElement.contentEditable !== 'inherit';
- var activeElementIsInput = document.activeElement && document.activeElement.tagName && /input|textarea/i.test( document.activeElement.tagName );
- var activeElementIsNotes = document.activeElement && document.activeElement.className && /speaker-notes/i.test( document.activeElement.className);
-
- var prevSlideShortcut = event.shiftKey && event.keyCode === 32;
- var firstSlideShortcut = event.shiftKey && keyCode === 37;
- var lastSlideShortcut = event.shiftKey && keyCode === 39;
-
- var unusedModifier = !prevSlideShortcut && !firstSlideShortcut && !lastSlideShortcut &&
- ( event.shiftKey || event.altKey || event.ctrlKey || event.metaKey );
-
-
- if( activeElementIsCE || activeElementIsInput || activeElementIsNotes || unusedModifier ) return;
-
- var resumeKeyCodes = [66,86,190,191];
- var key;
-
- if( typeof config.keyboard === 'object' ) {
- for( key in config.keyboard ) {
- if( config.keyboard[key] === 'togglePause' ) {
- resumeKeyCodes.push( parseInt( key, 10 ) );
- }
- }
- }
- if( isPaused() && resumeKeyCodes.indexOf( keyCode ) === -1 ) {
- return false;
- }
-
-
- var useLinearMode = config.navigationMode === 'linear' || !hasHorizontalSlides() || !hasVerticalSlides();
- var triggered = false;
-
- if( typeof config.keyboard === 'object' ) {
- for( key in config.keyboard ) {
-
- if( parseInt( key, 10 ) === keyCode ) {
- var value = config.keyboard[ key ];
-
- if( typeof value === 'function' ) {
- value.apply( null, [ event ] );
- }
-
- else if( typeof value === 'string' && typeof Reveal[ value ] === 'function' ) {
- Reveal[ value ].call();
- }
- triggered = true;
- }
- }
- }
-
- if( triggered === false ) {
- for( key in registeredKeyBindings ) {
-
- if( parseInt( key, 10 ) === keyCode ) {
- var action = registeredKeyBindings[ key ].callback;
-
- if( typeof action === 'function' ) {
- action.apply( null, [ event ] );
- }
-
- else if( typeof action === 'string' && typeof Reveal[ action ] === 'function' ) {
- Reveal[ action ].call();
- }
- triggered = true;
- }
- }
- }
-
- if( triggered === false ) {
-
- triggered = true;
-
- if( keyCode === 80 || keyCode === 33 ) {
- navigatePrev();
- }
-
- else if( keyCode === 78 || keyCode === 34 ) {
- navigateNext();
- }
-
- else if( keyCode === 72 || keyCode === 37 ) {
- if( firstSlideShortcut ) {
- slide( 0 );
- }
- else if( !isOverview() && useLinearMode ) {
- navigatePrev();
- }
- else {
- navigateLeft();
- }
- }
-
- else if( keyCode === 76 || keyCode === 39 ) {
- if( lastSlideShortcut ) {
- slide( Number.MAX_VALUE );
- }
- else if( !isOverview() && useLinearMode ) {
- navigateNext();
- }
- else {
- navigateRight();
- }
- }
-
- else if( keyCode === 75 || keyCode === 38 ) {
- if( !isOverview() && useLinearMode ) {
- navigatePrev();
- }
- else {
- navigateUp();
- }
- }
-
- else if( keyCode === 74 || keyCode === 40 ) {
- if( !isOverview() && useLinearMode ) {
- navigateNext();
- }
- else {
- navigateDown();
- }
- }
-
- else if( keyCode === 36 ) {
- slide( 0 );
- }
-
- else if( keyCode === 35 ) {
- slide( Number.MAX_VALUE );
- }
-
- else if( keyCode === 32 ) {
- if( isOverview() ) {
- deactivateOverview();
- }
- if( event.shiftKey ) {
- navigatePrev();
- }
- else {
- navigateNext();
- }
- }
-
- else if( keyCode === 58 || keyCode === 59 || keyCode === 66 || keyCode === 86 || keyCode === 190 || keyCode === 191 ) {
- togglePause();
- }
-
- else if( keyCode === 70 ) {
- enterFullscreen();
- }
-
- else if( keyCode === 65 ) {
- if ( config.autoSlideStoppable ) {
- toggleAutoSlide( autoSlideWasPaused );
- }
- }
- else {
- triggered = false;
- }
- }
-
-
- if( triggered ) {
- event.preventDefault && event.preventDefault();
- }
-
- else if ( ( keyCode === 27 || keyCode === 79 ) && features.transforms3d ) {
- if( dom.overlay ) {
- closeOverlay();
- }
- else {
- toggleOverview();
- }
- event.preventDefault && event.preventDefault();
- }
-
-
- cueAutoSlide();
- }
-
- function onTouchStart( event ) {
- if( isSwipePrevented( event.target ) ) return true;
- touch.startX = event.touches[0].clientX;
- touch.startY = event.touches[0].clientY;
- touch.startCount = event.touches.length;
- }
-
- function onTouchMove( event ) {
- if( isSwipePrevented( event.target ) ) return true;
-
- if( !touch.captured ) {
- onUserInput( event );
- var currentX = event.touches[0].clientX;
- var currentY = event.touches[0].clientY;
-
- if( event.touches.length === 1 && touch.startCount !== 2 ) {
- var deltaX = currentX - touch.startX,
- deltaY = currentY - touch.startY;
- if( deltaX > touch.threshold && Math.abs( deltaX ) > Math.abs( deltaY ) ) {
- touch.captured = true;
- if( config.navigationMode === 'linear' ) {
- if( config.rtl ) {
- navigateNext();
- }
- else {
- navigatePrev();
- }
- }
- else {
- navigateLeft();
- }
- }
- else if( deltaX < -touch.threshold && Math.abs( deltaX ) > Math.abs( deltaY ) ) {
- touch.captured = true;
- if( config.navigationMode === 'linear' ) {
- if( config.rtl ) {
- navigatePrev();
- }
- else {
- navigateNext();
- }
- }
- else {
- navigateRight();
- }
- }
- else if( deltaY > touch.threshold ) {
- touch.captured = true;
- if( config.navigationMode === 'linear' ) {
- navigatePrev();
- }
- else {
- navigateUp();
- }
- }
- else if( deltaY < -touch.threshold ) {
- touch.captured = true;
- if( config.navigationMode === 'linear' ) {
- navigateNext();
- }
- else {
- navigateDown();
- }
- }
-
-
- if( config.embedded ) {
- if( touch.captured || isVerticalSlide( currentSlide ) ) {
- event.preventDefault();
- }
- }
-
-
- else {
- event.preventDefault();
- }
- }
- }
-
-
- else if( UA.match( /android/gi ) ) {
- event.preventDefault();
- }
- }
-
- function onTouchEnd( event ) {
- touch.captured = false;
- }
-
- function onPointerDown( event ) {
- if( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === "touch" ) {
- event.touches = [{ clientX: event.clientX, clientY: event.clientY }];
- onTouchStart( event );
- }
- }
-
- function onPointerMove( event ) {
- if( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === "touch" ) {
- event.touches = [{ clientX: event.clientX, clientY: event.clientY }];
- onTouchMove( event );
- }
- }
-
- function onPointerUp( event ) {
- if( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === "touch" ) {
- event.touches = [{ clientX: event.clientX, clientY: event.clientY }];
- onTouchEnd( event );
- }
- }
-
- function onDocumentMouseScroll( event ) {
- if( Date.now() - lastMouseWheelStep > 600 ) {
- lastMouseWheelStep = Date.now();
- var delta = event.detail || -event.wheelDelta;
- if( delta > 0 ) {
- navigateNext();
- }
- else if( delta < 0 ) {
- navigatePrev();
- }
- }
- }
-
- function onProgressClicked( event ) {
- onUserInput( event );
- event.preventDefault();
- var slidesTotal = toArray( dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).length;
- var slideIndex = Math.floor( ( event.clientX / dom.wrapper.offsetWidth ) * slidesTotal );
- if( config.rtl ) {
- slideIndex = slidesTotal - slideIndex;
- }
- slide( slideIndex );
- }
-
- function onNavigateLeftClicked( event ) { event.preventDefault(); onUserInput(); config.navigationMode === 'linear' ? navigatePrev() : navigateLeft(); }
- function onNavigateRightClicked( event ) { event.preventDefault(); onUserInput(); config.navigationMode === 'linear' ? navigateNext() : navigateRight(); }
- function onNavigateUpClicked( event ) { event.preventDefault(); onUserInput(); navigateUp(); }
- function onNavigateDownClicked( event ) { event.preventDefault(); onUserInput(); navigateDown(); }
- function onNavigatePrevClicked( event ) { event.preventDefault(); onUserInput(); navigatePrev(); }
- function onNavigateNextClicked( event ) { event.preventDefault(); onUserInput(); navigateNext(); }
-
- function onWindowHashChange( event ) {
- readURL();
- }
-
- function onWindowResize( event ) {
- layout();
- }
-
- function onPageVisibilityChange( event ) {
- var isHidden = document.webkitHidden ||
- document.msHidden ||
- document.hidden;
-
-
- if( isHidden === false && document.activeElement !== document.body ) {
-
- if( typeof document.activeElement.blur === 'function' ) {
- document.activeElement.blur();
- }
- document.body.focus();
- }
- }
-
- function onOverviewSlideClicked( event ) {
-
-
- if( eventsAreBound && isOverview() ) {
- event.preventDefault();
- var element = event.target;
- while( element && !element.nodeName.match( /section/gi ) ) {
- element = element.parentNode;
- }
- if( element && !element.classList.contains( 'disabled' ) ) {
- deactivateOverview();
- if( element.nodeName.match( /section/gi ) ) {
- var h = parseInt( element.getAttribute( 'data-index-h' ), 10 ),
- v = parseInt( element.getAttribute( 'data-index-v' ), 10 );
- slide( h, v );
- }
- }
- }
- }
-
- function onPreviewLinkClicked( event ) {
- if( event.currentTarget && event.currentTarget.hasAttribute( 'href' ) ) {
- var url = event.currentTarget.getAttribute( 'href' );
- if( url ) {
- showPreview( url );
- event.preventDefault();
- }
- }
- }
-
- function onAutoSlidePlayerClick( event ) {
-
- if( Reveal.isLastSlide() && config.loop === false ) {
- slide( 0, 0 );
- resumeAutoSlide();
- }
-
- else if( autoSlidePaused ) {
- resumeAutoSlide();
- }
-
- else {
- pauseAutoSlide();
- }
- }
-
-
-
-
- function Playback( container, progressCheck ) {
-
- this.diameter = 100;
- this.diameter2 = this.diameter/2;
- this.thickness = 6;
-
- this.playing = false;
-
- this.progress = 0;
-
- this.progressOffset = 1;
- this.container = container;
- this.progressCheck = progressCheck;
- this.canvas = document.createElement( 'canvas' );
- this.canvas.className = 'playback';
- this.canvas.width = this.diameter;
- this.canvas.height = this.diameter;
- this.canvas.style.width = this.diameter2 + 'px';
- this.canvas.style.height = this.diameter2 + 'px';
- this.context = this.canvas.getContext( '2d' );
- this.container.appendChild( this.canvas );
- this.render();
- }
-
- Playback.prototype.setPlaying = function( value ) {
- var wasPlaying = this.playing;
- this.playing = value;
-
- if( !wasPlaying && this.playing ) {
- this.animate();
- }
- else {
- this.render();
- }
- };
- Playback.prototype.animate = function() {
- var progressBefore = this.progress;
- this.progress = this.progressCheck();
-
-
- if( progressBefore > 0.8 && this.progress < 0.2 ) {
- this.progressOffset = this.progress;
- }
- this.render();
- if( this.playing ) {
- features.requestAnimationFrameMethod.call( window, this.animate.bind( this ) );
- }
- };
-
- Playback.prototype.render = function() {
- var progress = this.playing ? this.progress : 0,
- radius = ( this.diameter2 ) - this.thickness,
- x = this.diameter2,
- y = this.diameter2,
- iconSize = 28;
-
- this.progressOffset += ( 1 - this.progressOffset ) * 0.1;
- var endAngle = ( - Math.PI / 2 ) + ( progress * ( Math.PI * 2 ) );
- var startAngle = ( - Math.PI / 2 ) + ( this.progressOffset * ( Math.PI * 2 ) );
- this.context.save();
- this.context.clearRect( 0, 0, this.diameter, this.diameter );
-
- this.context.beginPath();
- this.context.arc( x, y, radius + 4, 0, Math.PI * 2, false );
- this.context.fillStyle = 'rgba( 0, 0, 0, 0.4 )';
- this.context.fill();
-
- this.context.beginPath();
- this.context.arc( x, y, radius, 0, Math.PI * 2, false );
- this.context.lineWidth = this.thickness;
- this.context.strokeStyle = 'rgba( 255, 255, 255, 0.2 )';
- this.context.stroke();
- if( this.playing ) {
-
- this.context.beginPath();
- this.context.arc( x, y, radius, startAngle, endAngle, false );
- this.context.lineWidth = this.thickness;
- this.context.strokeStyle = '#fff';
- this.context.stroke();
- }
- this.context.translate( x - ( iconSize / 2 ), y - ( iconSize / 2 ) );
-
- if( this.playing ) {
- this.context.fillStyle = '#fff';
- this.context.fillRect( 0, 0, iconSize / 2 - 4, iconSize );
- this.context.fillRect( iconSize / 2 + 4, 0, iconSize / 2 - 4, iconSize );
- }
- else {
- this.context.beginPath();
- this.context.translate( 4, 0 );
- this.context.moveTo( 0, 0 );
- this.context.lineTo( iconSize - 4, iconSize / 2 );
- this.context.lineTo( 0, iconSize );
- this.context.fillStyle = '#fff';
- this.context.fill();
- }
- this.context.restore();
- };
- Playback.prototype.on = function( type, listener ) {
- this.canvas.addEventListener( type, listener, false );
- };
- Playback.prototype.off = function( type, listener ) {
- this.canvas.removeEventListener( type, listener, false );
- };
- Playback.prototype.destroy = function() {
- this.playing = false;
- if( this.canvas.parentNode ) {
- this.container.removeChild( this.canvas );
- }
- };
-
-
-
- Reveal = {
- VERSION: VERSION,
- initialize: initialize,
- configure: configure,
- sync: sync,
- syncSlide: syncSlide,
- syncFragments: syncFragments,
-
- slide: slide,
- left: navigateLeft,
- right: navigateRight,
- up: navigateUp,
- down: navigateDown,
- prev: navigatePrev,
- next: navigateNext,
-
- navigateFragment: navigateFragment,
- prevFragment: previousFragment,
- nextFragment: nextFragment,
-
- navigateTo: slide,
- navigateLeft: navigateLeft,
- navigateRight: navigateRight,
- navigateUp: navigateUp,
- navigateDown: navigateDown,
- navigatePrev: navigatePrev,
- navigateNext: navigateNext,
-
- layout: layout,
-
- shuffle: shuffle,
-
- availableRoutes: availableRoutes,
-
- availableFragments: availableFragments,
-
- toggleHelp: toggleHelp,
-
- toggleOverview: toggleOverview,
-
- togglePause: togglePause,
-
- toggleAutoSlide: toggleAutoSlide,
-
- isOverview: isOverview,
- isPaused: isPaused,
- isAutoSliding: isAutoSliding,
- isSpeakerNotes: isSpeakerNotes,
-
- loadSlide: loadSlide,
- unloadSlide: unloadSlide,
-
- addEventListeners: addEventListeners,
- removeEventListeners: removeEventListeners,
-
- getState: getState,
- setState: setState,
-
- getSlidePastCount: getSlidePastCount,
-
- getProgress: getProgress,
-
- getIndices: getIndices,
-
- getSlides: getSlides,
-
-
- getSlidesAttributes: getSlidesAttributes,
-
- getTotalSlides: getTotalSlides,
-
- getSlide: getSlide,
-
- getSlideBackground: getSlideBackground,
-
- getSlideNotes: getSlideNotes,
-
- getHorizontalSlides: getHorizontalSlides,
- getVerticalSlides: getVerticalSlides,
-
-
- hasHorizontalSlides: hasHorizontalSlides,
- hasVerticalSlides: hasVerticalSlides,
-
- getPreviousSlide: function() {
- return previousSlide;
- },
-
- getCurrentSlide: function() {
- return currentSlide;
- },
-
- getScale: function() {
- return scale;
- },
-
- getConfig: function() {
- return config;
- },
-
- getQueryHash: function() {
- var query = {};
- location.search.replace( /[A-Z0-9]+?=([\w\.%-]*)/gi, function(a) {
- query[ a.split( '=' ).shift() ] = a.split( '=' ).pop();
- } );
-
- for( var i in query ) {
- var value = query[ i ];
- query[ i ] = deserialize( unescape( value ) );
- }
- return query;
- },
-
- getRevealElement: function() {
- return dom.wrapper || document.querySelector( '.reveal' );
- },
-
- getPlugins: function() {
- return plugins;
- },
-
- isFirstSlide: function() {
- return ( indexh === 0 && indexv === 0 );
- },
-
- isLastSlide: function() {
- if( currentSlide ) {
-
- if( currentSlide.nextElementSibling ) return false;
-
- if( isVerticalSlide( currentSlide ) && currentSlide.parentNode.nextElementSibling ) return false;
- return true;
- }
- return false;
- },
-
-
- isLastVerticalSlide: function() {
- if( currentSlide && isVerticalSlide( currentSlide ) ) {
-
- if( currentSlide.nextElementSibling ) return false;
- return true;
- }
- return false;
- },
-
- isReady: function() {
- return loaded;
- },
-
- addEventListener: function( type, listener, useCapture ) {
- if( 'addEventListener' in window ) {
- Reveal.getRevealElement().addEventListener( type, listener, useCapture );
- }
- },
- removeEventListener: function( type, listener, useCapture ) {
- if( 'addEventListener' in window ) {
- Reveal.getRevealElement().removeEventListener( type, listener, useCapture );
- }
- },
-
- addKeyBinding: addKeyBinding,
- removeKeyBinding: removeKeyBinding,
-
- registerPlugin: registerPlugin,
- hasPlugin: hasPlugin,
- getPlugin: getPlugin,
-
- triggerKey: function( keyCode ) {
- onDocumentKeyDown( { keyCode: keyCode } );
- },
-
- registerKeyboardShortcut: function( key, value ) {
- keyboardShortcuts[key] = value;
- }
- };
- return Reveal;
- }));
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