diff options
| -rw-r--r-- | README.md | 68 | ||||
| -rw-r--r-- | css/reveal.css | 49 | ||||
| -rw-r--r-- | css/reveal.min.css | 2 | ||||
| -rw-r--r-- | index.html | 6 | ||||
| -rw-r--r-- | js/reveal.js | 480 | ||||
| -rw-r--r-- | js/reveal.min.js | 4 | ||||
| -rwxr-xr-x | plugin/markdown/markdown.js | 2 | ||||
| -rw-r--r-- | plugin/remotes/remotes.js | 2 | ||||
| -rw-r--r-- | test/examples/barebones.html | 1 |
9 files changed, 544 insertions, 70 deletions
@@ -11,7 +11,7 @@ reveal.js comes with a broad range of features including [nested slides](https:/ - [Examples](https://github.com/hakimel/reveal.js/wiki/Example-Presentations): Presentations created with reveal.js, add your own! - [Browser Support](https://github.com/hakimel/reveal.js/wiki/Browser-Support): Explanation of browser support and fallbacks. -## Slides +## Online Editor Presentations are written using HTML or markdown but there's also an online editor for those of you who prefer a graphical interface. Give it a try at [http://slid.es](http://slid.es). @@ -97,6 +97,9 @@ Reveal.initialize({ // by using a data-autoslide attribute on your slides autoSlide: 0, + // Stop auto-sliding after user input + autoSlideStoppable: true, + // Enable slide navigation via mouse wheel mouseWheel: false, @@ -109,6 +112,16 @@ Reveal.initialize({ // Transition style for full page backgrounds backgroundTransition: 'default' // default/linear/none + // Parallax background image + parallaxBackgroundImage: '', // e.g. "'https://s3.amazonaws.com/hakim-static/reveal-js/reveal-parallax-1.jpg'" + + // Parallax background size + parallaxBackgroundSize: '', // CSS syntax, e.g. "2100px 900px" + + // Number of slides away from the current that are visible + viewDistance: 3, + + }); ``` @@ -192,6 +205,27 @@ Reveal.initialize({ }); ``` + +### Auto-sliding + +Presentations can be configure to progress through slides automatically, without any user input. To enable this you will need to tell the framework how many milliseconds it should wait between slides: + +```javascript +// Slide every five seconds +Reveal.configure({ + autoSlide: 5000 +}); +``` + +When this is turned on a control element will appear that enables users to pause and resume auto-sliding. Sliding is also paused automatically as soon as the user starts navigating. You can disable these controls by specifying ```autoSlideStoppable: false``` in your reveal.js config. + +You can also override the slide duration for individual slides by using the ```data-autoslide``` attribute on individual sections: + +```html +<section data-autoslide="10000">This will remain on screen for 10 seconds</section> +``` + + ### Keyboard Bindings If you're unhappy with any of the default keyboard bindings you can override them using the ```keyboard``` config option: @@ -291,6 +325,28 @@ Slides are contained within a limited portion of the screen by default to allow Backgrounds transition using a fade animation by default. This can be changed to a linear sliding transition by passing ```backgroundTransition: 'slide'``` to the ```Reveal.initialize()``` call. Alternatively you can set ```data-background-transition``` on any section with a background to override that specific transition. +### Parallax Background + +If you want to use a parallax scrolling background, set the two following config properties when initializing reveal.js (the third one is optional). + +```javascript +Reveal.initialize({ + + // Parallax background image + parallaxBackgroundImage: '', // e.g. "https://s3.amazonaws.com/hakim-static/reveal-js/reveal-parallax-1.jpg" + + // Parallax background size + parallaxBackgroundSize: '', // CSS syntax, e.g. "2100px 900px" - currently only pixels are supported (don't use % or auto) + + // This slide transition gives best results: + transition: linear + +}); +``` + +Make sure that the background size is much bigger than screen size to allow for some scrolling. + + ### Slide Transitions The global presentation transition is set using the ```transition``` config value. You can override the global transition for a specific slide by using the ```data-transition``` attribute: @@ -330,7 +386,7 @@ You can also add relative navigation links, similar to the built in reveal.js co ### Fragments -Fragments are used to highlight individual elements on a slide. Every element with the class ```fragment``` will be stepped through before moving on to the next slide. Here's an example: http://lab.hakim.se/reveal-js/#/16 +Fragments are used to highlight individual elements on a slide. Every element with the class ```fragment``` will be stepped through before moving on to the next slide. Here's an example: http://lab.hakim.se/reveal-js/#/fragments The default fragment style is to start out invisible and fade in. This style can be changed by appending a different class to the fragment: @@ -757,22 +813,22 @@ Some reveal.js features, like external markdown, require that presentations run 2. Install [Grunt](http://gruntjs.com/getting-started#installing-the-cli) 4. Clone the reveal.js repository -``` +```sh $ git clone https://github.com/hakimel/reveal.js.git ``` 5. Navigate to the reveal.js folder -``` +```sh $ cd reveal.js ``` 6. Install dependencies -``` +```sh $ npm install ``` 7. Serve the presentation and monitor source files for changes -``` +```sh $ grunt serve ``` diff --git a/css/reveal.css b/css/reveal.css index a9b3888..7f1dd74 100644 --- a/css/reveal.css +++ b/css/reveal.css @@ -1402,6 +1402,31 @@ body { float: right } +/********************************************* + * PARALLAX BACKGROUND + *********************************************/ + +.reveal.has-parallax-background .backgrounds { + -webkit-transition: all 0.8s ease; + -moz-transition: all 0.8s ease; + -ms-transition: all 0.8s ease; + transition: all 0.8s ease; +} + +/* Global transition speed settings */ +.reveal.has-parallax-background[data-transition-speed="fast"] .backgrounds { + -webkit-transition-duration: 400ms; + -moz-transition-duration: 400ms; + -ms-transition-duration: 400ms; + transition-duration: 400ms; +} +.reveal.has-parallax-background[data-transition-speed="slow"] .backgrounds { + -webkit-transition-duration: 1200ms; + -moz-transition-duration: 1200ms; + -ms-transition-duration: 1200ms; + transition-duration: 1200ms; +} + /********************************************* * LINK PREVIEW OVERLAY @@ -1526,6 +1551,30 @@ body { } + +/********************************************* + * PLAYBACK COMPONENT + *********************************************/ + +.reveal .playback { + position: fixed; + left: 15px; + bottom: 15px; + z-index: 30; + cursor: pointer; + + -webkit-transition: all 400ms ease; + -moz-transition: all 400ms ease; + -ms-transition: all 400ms ease; + transition: all 400ms ease; +} + +.reveal.overview .playback { + opacity: 0; + visibility: hidden; +} + + /********************************************* * ROLLING LINKS *********************************************/ diff --git a/css/reveal.min.css b/css/reveal.min.css index 8db3675..9aab891 100644 --- a/css/reveal.min.css +++ b/css/reveal.min.css @@ -4,4 +4,4 @@ * MIT licensed * * Copyright (C) 2013 Hakim El Hattab, http://hakim.se - */ html,body,.reveal div,.reveal span,.reveal applet,.reveal object,.reveal 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\ No newline at end of file @@ -281,7 +281,7 @@ function linkify( selector ) { </section> <section> - <section> + <section id="fragments"> <h2>Fragmented Views</h2> <p>Hit the next arrow...</p> <p class="fragment">... to step through ...</p> @@ -366,6 +366,10 @@ function linkify( selector ) { theme: Reveal.getQueryHash().theme, // available themes are in /css/theme transition: Reveal.getQueryHash().transition || 'default', // default/cube/page/concave/zoom/linear/fade/none + // Parallax scrolling + // parallaxBackgroundImage: 'https://s3.amazonaws.com/hakim-static/reveal-js/reveal-parallax-1.jpg', + // parallaxBackgroundSize: '2100px 900px', + // Optional libraries used to extend on reveal.js dependencies: [ { src: 'lib/js/classList.js', condition: function() { return !document.body.classList; } }, diff --git a/js/reveal.js b/js/reveal.js index 794911c..1cbfa34 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -68,6 +68,9 @@ var Reveal = (function(){ // by using a data-autoslide attribute on your slides autoSlide: 0, + // Stop auto-sliding after user input + autoSlideStoppable: true, + // Enable slide navigation via mouse wheel mouseWheel: false, @@ -80,6 +83,9 @@ var Reveal = (function(){ // Opens links in an iframe preview overlay previewLinks: false, + // Focuses body when page changes visiblity to ensure keyboard shortcuts work + focusBodyOnPageVisiblityChange: true, + // Theme (see /css/theme) theme: null, @@ -92,6 +98,12 @@ var Reveal = (function(){ // Transition style for full page slide backgrounds backgroundTransition: 'default', // default/linear/none + // Parallax background image + parallaxBackgroundImage: '', // CSS syntax, e.g. "a.jpg" + + // Parallax background size + parallaxBackgroundSize: '', // CSS syntax, e.g. "3000px 2000px" + // Number of slides away from the current that are visible viewDistance: 3, @@ -102,9 +114,6 @@ var Reveal = (function(){ // Flags if reveal.js is loaded (has dispatched the 'ready' event) loaded = false, - // The current auto-slide duration - autoSlide = 0, - // The horizontal and vertical index of the currently active slide indexh, indexv, @@ -124,11 +133,8 @@ var Reveal = (function(){ // Cached references to DOM elements dom = {}, - // Client support for CSS 3D transforms, see #checkCapabilities() - supports3DTransforms, - - // Client support for CSS 2D transforms, see #checkCapabilities() - supports2DTransforms, + // Features supported by the browser, see #checkCapabilities() + features = {}, // Client is a mobile device, see #checkCapabilities() isMobileDevice, @@ -136,9 +142,6 @@ var Reveal = (function(){ // Throttles mouse wheel navigation lastMouseWheelStep = 0, - // An interval used to automatically move on to the next slide - autoSlideTimeout = 0, - // Delays updates to the URL due to a Chrome thumbnailer bug writeURLTimeout = 0, @@ -151,6 +154,15 @@ var Reveal = (function(){ // Flags if the interaction event listeners are bound eventsAreBound = false, + // The current auto-slide duration + autoSlide = 0, + + // Auto slide properties + autoSlidePlayer, + autoSlideTimeout = 0, + autoSlideStartTime = -1, + autoSlidePaused = false, + // Holds information about the currently ongoing touch input touch = { startX: 0, @@ -168,7 +180,7 @@ var Reveal = (function(){ checkCapabilities(); - if( !supports2DTransforms && !supports3DTransforms ) { + if( !features.transforms2d && !features.transforms3d ) { document.body.setAttribute( 'class', 'no-transforms' ); // If the browser doesn't support core features we won't be @@ -181,6 +193,7 @@ var Reveal = (function(){ // Copy options over to our config object extend( config, options ); + extend( config, Reveal.getQueryHash() ); // Hide the address bar in mobile browsers hideAddressBar(); @@ -196,18 +209,23 @@ var Reveal = (function(){ */ function checkCapabilities() { - supports3DTransforms = 'WebkitPerspective' in document.body.style || + features.transforms3d = 'WebkitPerspective' in document.body.style || 'MozPerspective' in document.body.style || 'msPerspective' in document.body.style || 'OPerspective' in document.body.style || 'perspective' in document.body.style; - supports2DTransforms = 'WebkitTransform' in document.body.style || + features.transforms2d = 'WebkitTransform' in document.body.style || 'MozTransform' in document.body.style || 'msTransform' in document.body.style || 'OTransform' in document.body.style || 'transform' in document.body.style; + features.requestAnimationFrameMethod = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame; + features.requestAnimationFrame = typeof features.requestAnimationFrameMethod === 'function'; + + features.canvas = !!document.createElement( 'canvas' ).getContext; + isMobileDevice = navigator.userAgent.match( /(iphone|ipod|android)/gi ); } @@ -422,7 +440,7 @@ var Reveal = (function(){ if( data.background ) { // Auto-wrap image urls in url(...) - if( /^(http|file|\/\/)/gi.test( data.background ) || /\.(png|jpg|jpeg|gif|bmp)$/gi.test( data.background ) ) { + if( /^(http|file|\/\/)/gi.test( data.background ) || /\.(svg|png|jpg|jpeg|gif|bmp)$/gi.test( data.background ) ) { element.style.backgroundImage = 'url('+ data.background +')'; } else { @@ -470,6 +488,28 @@ var Reveal = (function(){ } ); + // Add parallax background if specified + if( config.parallaxBackgroundImage ) { + + dom.background.style.backgroundImage = 'url("' + config.parallaxBackgroundImage + '")'; + dom.background.style.backgroundSize = config.parallaxBackgroundSize; + + // Make sure the below properties are set on the element - these properties are + // needed for proper transitions to be set on the element via CSS. To remove + // annoying background slide-in effect when the presentation starts, apply + // these properties after short time delay + setTimeout( function() { + dom.wrapper.classList.add( 'has-parallax-background' ); + }, 1 ); + + } + else { + + dom.background.style.backgroundImage = ''; + dom.wrapper.classList.remove( 'has-parallax-background' ); + + } + } /** @@ -478,6 +518,8 @@ var Reveal = (function(){ */ function configure( options ) { + var numberOfSlides = document.querySelectorAll( SLIDES_SELECTOR ).length; + dom.wrapper.classList.remove( config.transition ); // New config options may be passed when this method @@ -485,7 +527,7 @@ var Reveal = (function(){ if( typeof options === 'object' ) extend( config, options ); // Force linear transition based on browser capabilities - if( supports3DTransforms === false ) config.transition = 'linear'; + if( features.transforms3d === false ) config.transition = 'linear'; dom.wrapper.classList.add( config.transition ); @@ -535,6 +577,20 @@ var Reveal = (function(){ enablePreviewLinks( '[data-preview-link]' ); } + // Auto-slide playback controls + 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; + } + else if( autoSlidePlayer ) { + autoSlidePlayer.destroy(); + autoSlidePlayer = null; + } + // Load the theme in the config, if it's not already loaded if( config.theme && dom.theme ) { var themeURL = dom.theme.getAttribute( 'href' ); @@ -578,10 +634,28 @@ var Reveal = (function(){ document.addEventListener( 'keydown', onDocumentKeyDown, false ); } - if ( config.progress && dom.progress ) { + if( config.progress && dom.progress ) { dom.progress.addEventListener( 'click', onProgressClicked, false ); } + if( config.focusBodyOnPageVisiblityChange ) { + 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 ); + } + } + [ 'touchstart', 'click' ].forEach( function( eventName ) { dom.controlsLeft.forEach( function( el ) { el.addEventListener( eventName, onNavigateLeftClicked, false ); } ); dom.controlsRight.forEach( function( el ) { el.addEventListener( eventName, onNavigateRightClicked, false ); } ); @@ -784,16 +858,6 @@ var Reveal = (function(){ */ function removeAddressBar() { - // Portrait and not Chrome for iOS - if( window.orientation === 0 && !/crios/gi.test( navigator.userAgent ) ) { - document.documentElement.style.overflow = 'scroll'; - document.body.style.height = '120%'; - } - else { - document.documentElement.style.overflow = ''; - document.body.style.height = '100%'; - } - setTimeout( function() { window.scrollTo( 0, 1 ); }, 10 ); @@ -818,7 +882,7 @@ var Reveal = (function(){ */ function enableRollingLinks() { - if( supports3DTransforms && !( 'msPerspective' in document.body.style ) ) { + if( features.transforms3d && !( 'msPerspective' in document.body.style ) ) { var anchors = document.querySelectorAll( SLIDES_SELECTOR + ' a:not(.image)' ); for( var i = 0, len = anchors.length; i < len; i++ ) { @@ -1055,6 +1119,7 @@ var Reveal = (function(){ } updateProgress(); + updateParallax(); } @@ -1471,7 +1536,6 @@ var Reveal = (function(){ // Store references to the previous and current slides currentSlide = currentVerticalSlides[ indexv ] || currentHorizontalSlide; - // Show fragment, if specified if( typeof f !== 'undefined' ) { var fragments = sortFragments( currentSlide.querySelectorAll( '.fragment' ) ); @@ -1533,10 +1597,13 @@ var Reveal = (function(){ updateControls(); updateProgress(); updateBackground(); + updateParallax(); // Update the URL hash writeURL(); + cueAutoSlide(); + } /** @@ -1647,18 +1714,6 @@ var Reveal = (function(){ state = state.concat( slideState.split( ' ' ) ); } - // If this slide has a data-autoslide attribute associated use this as - // autoSlide value otherwise use the global configured time - var slideAutoSlide = slides[index].getAttribute( 'data-autoslide' ); - if( slideAutoSlide ) { - autoSlide = parseInt( slideAutoSlide, 10 ); - } - else { - autoSlide = config.autoSlide; - } - - cueAutoSlide(); - } else { // Since there are no slides we can't be anywhere beyond the @@ -1825,12 +1880,12 @@ var Reveal = (function(){ } /** - * Updates the background elements to reflect the current + * Updates the background elements to reflect the current * slide. */ function updateBackground() { - // Update the classes of all backgrounds to match the + // Update the classes of all backgrounds to match the // states of their slides (past/present/future) toArray( dom.background.childNodes ).forEach( function( backgroundh, h ) { @@ -1856,6 +1911,42 @@ var Reveal = (function(){ } /** + * Updates the position of the parallax background based + * on the current slide index. + */ + function updateParallax() { + + if( config.parallaxBackgroundImage ) { + + var horizontalSlides = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ), + verticalSlides = document.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; + var horizontalSlideCount = horizontalSlides.length; + var horizontalOffset = -( backgroundWidth - slideWidth ) / ( horizontalSlideCount-1 ) * indexh; + + var slideHeight = dom.background.offsetHeight; + var verticalSlideCount = verticalSlides.length; + var verticalOffset = verticalSlideCount > 0 ? -( backgroundHeight - slideHeight ) / ( verticalSlideCount-1 ) * indexv : 0; + + dom.background.style.backgroundPosition = horizontalOffset + 'px ' + verticalOffset + 'px'; + + } + + } + + /** * Determine what available routes there are for navigation. * * @return {Object} containing four booleans: left/right/up/down @@ -2149,11 +2240,35 @@ var Reveal = (function(){ */ function cueAutoSlide() { - clearTimeout( autoSlideTimeout ); + cancelAutoSlide(); + + if( currentSlide ) { + + // If the current slide has a data-autoslide use that, + // otherwise use the config.autoSlide value + var slideAutoSlide = currentSlide.getAttribute( 'data-autoslide' ); + if( slideAutoSlide ) { + autoSlide = parseInt( slideAutoSlide, 10 ); + } + else { + autoSlide = config.autoSlide; + } + + // Cue the next auto-slide if: + // - There is an autoSlide value + // - Auto-sliding isn't paused by the user + // - The presentation isn't paused + // - The overview isn't active + // - The presentation isn't over + if( autoSlide && !autoSlidePaused && !isPaused() && !isOverview() && ( !Reveal.isLastSlide() || config.loop === true ) ) { + autoSlideTimeout = setTimeout( navigateNext, autoSlide ); + autoSlideStartTime = Date.now(); + } + + if( autoSlidePlayer ) { + autoSlidePlayer.setPlaying( autoSlideTimeout !== -1 ); + } - // Cue the next auto-slide if enabled - if( autoSlide && !isPaused() && !isOverview() ) { - autoSlideTimeout = setTimeout( navigateNext, autoSlide ); } } @@ -2164,6 +2279,25 @@ var Reveal = (function(){ function cancelAutoSlide() { clearTimeout( autoSlideTimeout ); + autoSlideTimeout = -1; + + } + + function pauseAutoSlide() { + + autoSlidePaused = true; + clearTimeout( autoSlideTimeout ); + + if( autoSlidePlayer ) { + autoSlidePlayer.setPlaying( false ); + } + + } + + function resumeAutoSlide() { + + autoSlidePaused = false; + cueAutoSlide(); } @@ -2263,14 +2397,25 @@ var Reveal = (function(){ // ----------------------------- EVENTS -------------------------------// // --------------------------------------------------------------------// + /** + * Called by all event handlers that are based on user + * input. + */ + function onUserInput( event ) { + + if( config.autoSlideStoppable ) { + pauseAutoSlide(); + } + + } /** * Handler for the document level 'keydown' event. - * - * @param {Object} event */ function onDocumentKeyDown( event ) { + onUserInput( event ); + // Check if there's a focused element that could be using // the keyboard var activeElement = document.activeElement; @@ -2357,8 +2502,13 @@ var Reveal = (function(){ event.preventDefault(); } // ESC or O key - else if ( ( event.keyCode === 27 || event.keyCode === 79 ) && supports3DTransforms ) { - toggleOverview(); + else if ( ( event.keyCode === 27 || event.keyCode === 79 ) && features.transforms3d ) { + if( dom.preview ) { + closePreview(); + } + else { + toggleOverview(); + } event.preventDefault(); } @@ -2400,6 +2550,8 @@ var Reveal = (function(){ // Each touch should only trigger one action if( !touch.captured ) { + onUserInput( event ); + var currentX = event.touches[0].clientX; var currentY = event.touches[0].clientY; @@ -2553,6 +2705,8 @@ var Reveal = (function(){ */ function onProgressClicked( event ) { + onUserInput( event ); + event.preventDefault(); var slidesTotal = toArray( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).length; @@ -2565,12 +2719,12 @@ var Reveal = (function(){ /** * Event handler for navigation control buttons. */ - function onNavigateLeftClicked( event ) { event.preventDefault(); navigateLeft(); } - function onNavigateRightClicked( event ) { event.preventDefault(); navigateRight(); } - function onNavigateUpClicked( event ) { event.preventDefault(); navigateUp(); } - function onNavigateDownClicked( event ) { event.preventDefault(); navigateDown(); } - function onNavigatePrevClicked( event ) { event.preventDefault(); navigatePrev(); } - function onNavigateNextClicked( event ) { event.preventDefault(); navigateNext(); } + function onNavigateLeftClicked( event ) { event.preventDefault(); onUserInput(); navigateLeft(); } + function onNavigateRightClicked( event ) { event.preventDefault(); onUserInput(); 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(); } /** * Handler for the window level 'hashchange' event. @@ -2591,6 +2745,24 @@ var Reveal = (function(){ } /** + * Handle for the window level 'visibilitychange' event. + */ + function onPageVisibilityChange( event ) { + + var isHidden = document.webkitHidden || + document.msHidden || + document.hidden; + + // If, after clicking a link or similar and we're coming back, + // focus the document.body to ensure we can use keyboard shortcuts + if( isHidden === false && document.activeElement !== document.body ) { + document.activeElement.blur(); + document.body.focus(); + } + + } + + /** * Invoked when a slide is and we're in the overview. */ function onOverviewSlideClicked( event ) { @@ -2636,6 +2808,191 @@ var Reveal = (function(){ } + /** + * Handles click on the auto-sliding controls element. + */ + function onAutoSlidePlayerClick( event ) { + + // Replay + if( Reveal.isLastSlide() && config.loop === false ) { + slide( 0, 0 ); + resumeAutoSlide(); + } + // Resume + else if( autoSlidePaused ) { + resumeAutoSlide(); + } + // Pause + else { + pauseAutoSlide(); + } + + } + + + // --------------------------------------------------------------------// + // ------------------------ PLAYBACK COMPONENT ------------------------// + // --------------------------------------------------------------------// + + + /** + * Constructor for the playback component, which displays + * play/pause/progress controls. + * + * @param {HTMLElement} container The component will append + * itself to this + * @param {Function} progressCheck A method which will be + * called frequently to get the current progress on a range + * of 0-1 + */ + function Playback( container, progressCheck ) { + + // Cosmetics + this.diameter = 50; + this.thickness = 3; + + // Flags if we are currently playing + this.playing = false; + + // Current progress on a 0-1 range + this.progress = 0; + + // Used to loop the animation smoothly + 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.context = this.canvas.getContext( '2d' ); + + this.container.appendChild( this.canvas ); + + this.render(); + + } + + Playback.prototype.setPlaying = function( value ) { + + var wasPlaying = this.playing; + + this.playing = value; + + // Start repainting if we weren't already + if( !wasPlaying && this.playing ) { + this.animate(); + } + else { + this.render(); + } + + }; + + Playback.prototype.animate = function() { + + var progressBefore = this.progress; + + this.progress = this.progressCheck(); + + // When we loop, offset the progress so that it eases + // smoothly rather than immediately resetting + 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 ) ); + } + + }; + + /** + * Renders the current progress and playback state. + */ + Playback.prototype.render = function() { + + var progress = this.playing ? this.progress : 0, + radius = ( this.diameter / 2 ) - this.thickness, + x = this.diameter / 2, + y = this.diameter / 2, + iconSize = 14; + + // Ease towards 1 + 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 ); + + // Solid background color + this.context.beginPath(); + this.context.arc( x, y, radius + 2, 0, Math.PI * 2, false ); + this.context.fillStyle = 'rgba( 0, 0, 0, 0.4 )'; + this.context.fill(); + + // Draw progress track + this.context.beginPath(); + this.context.arc( x, y, radius, 0, Math.PI * 2, false ); + this.context.lineWidth = this.thickness; + this.context.strokeStyle = '#666'; + this.context.stroke(); + + if( this.playing ) { + // Draw progress on top of track + 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 ) ); + + // Draw play/pause icons + if( this.playing ) { + this.context.fillStyle = '#fff'; + this.context.fillRect( 0, 0, iconSize / 2 - 2, iconSize ); + this.context.fillRect( iconSize / 2 + 2, 0, iconSize / 2 - 2, iconSize ); + } + else { + this.context.beginPath(); + this.context.translate( 2, 0 ); + this.context.moveTo( 0, 0 ); + this.context.lineTo( iconSize - 2, 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 ); + } + + }; + // --------------------------------------------------------------------// // ------------------------------- API --------------------------------// @@ -2733,6 +3090,15 @@ var Reveal = (function(){ query[ a.split( '=' ).shift() ] = a.split( '=' ).pop(); } ); + // Basic deserialization + for( var i in query ) { + var value = query[ i ]; + if( value === 'null' ) query[ i ] = null; + else if( value === 'true' ) query[ i ] = true; + else if( value === 'false' ) query[ i ] = false; + else if( !isNaN( parseFloat( value ) ) ) query[ i ] = parseFloat( value ); + } + return query; }, diff --git a/js/reveal.min.js b/js/reveal.min.js index b3985aa..5f7e855 100644 --- a/js/reveal.min.js +++ b/js/reveal.min.js @@ -1,8 +1,8 @@ /*! - * reveal.js 2.6.0-dev (2013-09-11, 21:54) + * reveal.js 2.6.0-dev (2013-10-19, 09:34) * http://lab.hakim.se/reveal-js * MIT licensed * * Copyright (C) 2013 Hakim El Hattab, http://hakim.se */ -var Reveal=function(){"use strict";function a(a){return b(),Kb||Jb?(window.addEventListener("load",C,!1),l(Qb,a),s(),c(),void 0):(document.body.setAttribute("class","no-transforms"),void 0)}function b(){Jb="WebkitPerspective"in document.body.style||"MozPerspective"in document.body.style||"msPerspective"in document.body.style||"OPerspective"in document.body.style||"perspective"in document.body.style,Kb="WebkitTransform"in document.body.style||"MozTransform"in document.body.style||"msTransform"in document.body.style||"OTransform"in document.body.style||"transform"in document.body.style,Lb=navigator.userAgent.match(/(iphone|ipod|android)/gi)}function c(){function a(){c.length&&head.js.apply(null,c),d()}for(var b=[],c=[],e=0,f=Qb.dependencies.length;f>e;e++){var 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\ No newline at end of file diff --git a/test/examples/barebones.html b/test/examples/barebones.html index 5c03ff3..c948d00 100644 --- a/test/examples/barebones.html +++ b/test/examples/barebones.html @@ -29,7 +29,6 @@ </div> - <script src="../../lib/js/head.min.js"></script> <script src="../../js/reveal.min.js"></script> <script> |