diff options
author | Hakim El Hattab <hakim.elhattab@gmail.com> | 2012-10-20 21:05:14 -0400 |
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committer | Hakim El Hattab <hakim.elhattab@gmail.com> | 2012-10-20 21:05:14 -0400 |
commit | 8bdeb360ce55fa13efcf2529ba42e38bb7d790d1 (patch) | |
tree | 4275ad2da75462e369bdc3b19646dc595aca6da5 /js/reveal.js | |
parent | c6f8a44edf258567bc8324e45adb66036feb00ee (diff) | |
download | fosdem-2018-presentation-8bdeb360ce55fa13efcf2529ba42e38bb7d790d1.tar fosdem-2018-presentation-8bdeb360ce55fa13efcf2529ba42e38bb7d790d1.tar.gz |
clean up trailing whitespace (closes #197)
Diffstat (limited to 'js/reveal.js')
-rw-r--r-- | js/reveal.js | 224 |
1 files changed, 112 insertions, 112 deletions
diff --git a/js/reveal.js b/js/reveal.js index 14e4fd7..0ae2ad1 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -2,17 +2,17 @@ * reveal.js 2.1 r35 * http://lab.hakim.se/reveal-js * MIT licensed - * + * * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se */ var Reveal = (function(){ 'use strict'; - + var HORIZONTAL_SLIDES_SELECTOR = '.reveal .slides>section', VERTICAL_SLIDES_SELECTOR = '.reveal .slides>section.present>section', - // Configurations defaults, can be overridden at initialization time + // Configurations defaults, can be overridden at initialization time config = { // Display controls in the bottom right corner controls: true, @@ -32,7 +32,7 @@ var Reveal = (function(){ // Loop the presentation loop: false, - // Number of milliseconds between automatically proceeding to the + // Number of milliseconds between automatically proceeding to the // next slide, disabled when set to 0, this value can be overwritten // by using a data-autoslide attribute on your slides autoSlide: 0, @@ -44,7 +44,7 @@ var Reveal = (function(){ rollingLinks: true, // Transition style (see /css/theme) - theme: null, + theme: null, // Transition style transition: 'default', // default/cube/page/concave/zoom/linear/none @@ -65,8 +65,8 @@ var Reveal = (function(){ previousSlide, currentSlide, - // Slides may hold a data-state attribute which we pick up and apply - // as a class to the body. This list contains the combined state of + // Slides may hold a data-state attribute which we pick up and apply + // as a class to the body. This list contains the combined state of // all current slides. state = [], @@ -79,13 +79,13 @@ var Reveal = (function(){ 'msPerspective' in document.body.style || 'OPerspective' in document.body.style || 'perspective' in document.body.style, - + supports2DTransforms = '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, - + // Throttles mouse wheel navigation mouseWheelTimeout = 0, @@ -104,7 +104,7 @@ var Reveal = (function(){ handled: false, threshold: 80 }; - + /** * Starts up the presentation if the client is capable. */ @@ -112,7 +112,7 @@ var Reveal = (function(){ if( ( !supports2DTransforms && !supports3DTransforms ) ) { document.body.setAttribute( 'class', 'no-transforms' ); - // If the browser doesn't support core features we won't be + // If the browser doesn't support core features we won't be // using JavaScript to control the presentation return; } @@ -125,12 +125,12 @@ var Reveal = (function(){ // Loads the dependencies and continues to #start() once done load(); - + } /** - * Finds and stores references to DOM elements which are - * required by the presentation. If a required element is + * Finds and stores references to DOM elements which are + * required by the presentation. If a required element is * not found, it is created. */ function setupDOM() { @@ -200,10 +200,10 @@ var Reveal = (function(){ } /** - * Loads the dependencies of reveal.js. Dependencies are - * defined via the configuration option 'dependencies' - * and will be loaded prior to starting/binding reveal.js. - * Some dependencies may have an 'async' flag, if so they + * Loads the dependencies of reveal.js. Dependencies are + * defined via the configuration option 'dependencies' + * and will be loaded prior to starting/binding reveal.js. + * Some dependencies may have an 'async' flag, if so they * will load after reveal.js has been started up. */ function load() { @@ -233,7 +233,7 @@ var Reveal = (function(){ function proceed() { // Load asynchronous scripts head.js.apply( null, scriptsAsync ); - + start(); } @@ -249,13 +249,13 @@ var Reveal = (function(){ } /** - * Starts up reveal.js by binding input events and navigating + * Starts up reveal.js by binding input events and navigating * to the current URL deeplink if there is one. */ function start() { // Make sure we've got all the DOM elements we need setupDOM(); - + // Subscribe to input addEventListeners(); @@ -340,7 +340,7 @@ var Reveal = (function(){ dom.controlsLeft.addEventListener( 'click', preventAndForward( navigateLeft ), false ); dom.controlsRight.addEventListener( 'click', preventAndForward( navigateRight ), false ); dom.controlsUp.addEventListener( 'click', preventAndForward( navigateUp ), false ); - dom.controlsDown.addEventListener( 'click', preventAndForward( navigateDown ), false ); + dom.controlsDown.addEventListener( 'click', preventAndForward( navigateDown ), false ); } } @@ -357,7 +357,7 @@ var Reveal = (function(){ if ( config.progress && dom.progress ) { dom.progress.removeEventListener( 'click', preventAndForward( onProgressClick ), false ); } - + if ( config.controls && dom.controls ) { dom.controlsLeft.removeEventListener( 'click', preventAndForward( navigateLeft ), false ); dom.controlsRight.removeEventListener( 'click', preventAndForward( navigateRight ), false ); @@ -367,7 +367,7 @@ var Reveal = (function(){ } /** - * Extend object a with the properties of object b. + * Extend object a with the properties of object b. * If there's a conflict, object b takes precedence. */ function extend( a, b ) { @@ -378,8 +378,8 @@ var Reveal = (function(){ /** * Measures the distance in pixels between point a - * and point b. - * + * and point b. + * * @param {Object} a point with x/y properties * @param {Object} b point with x/y properties */ @@ -391,10 +391,10 @@ var Reveal = (function(){ } /** - * Prevents an events defaults behavior calls the + * Prevents an events defaults behavior calls the * specified delegate. - * - * @param {Function} delegate The method to call + * + * @param {Function} delegate The method to call * after the wrapper has been executed */ function preventAndForward( delegate ) { @@ -405,7 +405,7 @@ var Reveal = (function(){ } /** - * Causes the address bar to hide on mobile devices, + * Causes the address bar to hide on mobile devices, * more vertical space ftw. */ function removeAddressBar() { @@ -415,7 +415,7 @@ var Reveal = (function(){ } /** - * Dispatches an event of the specified type from the + * Dispatches an event of the specified type from the * reveal DOM element. */ function dispatchEvent( type, properties ) { @@ -434,7 +434,7 @@ var Reveal = (function(){ for( var i = 0, len = nodes.length; i < len; i++ ) { var node = nodes[i]; - + if( node.textContent && !node.querySelector( 'img' ) && ( !node.className || !node.classList.contains( node, 'roll' ) ) ) { node.classList.add( 'roll' ); node.innerHTML = '<span data-title="'+ node.text +'">' + node.innerHTML + '</span>'; @@ -444,17 +444,17 @@ var Reveal = (function(){ } /** - * Displays the overview of slides (quick nav) by + * Displays the overview of slides (quick nav) by * scaling down and arranging all slide elements. - * - * Experimental feature, might be dropped if perf + * + * Experimental feature, might be dropped if perf * can't be improved. */ function activateOverview() { // Only proceed if enabled in config if( config.overview ) { - + dom.wrapper.classList.add( 'overview' ); var horizontalSlides = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ); @@ -462,7 +462,7 @@ var Reveal = (function(){ for( var i = 0, len1 = horizontalSlides.length; i < len1; i++ ) { var hslide = horizontalSlides[i], htransform = 'translateZ(-2500px) translate(' + ( ( i - indexh ) * 105 ) + '%, 0%)'; - + hslide.setAttribute( 'data-index-h', i ); hslide.style.display = 'block'; hslide.style.WebkitTransform = htransform; @@ -470,12 +470,12 @@ var Reveal = (function(){ hslide.style.msTransform = htransform; hslide.style.OTransform = htransform; hslide.style.transform = htransform; - + if( !hslide.classList.contains( 'stack' ) ) { // Navigate to this slide on click hslide.addEventListener( 'click', onOverviewSlideClicked, true ); } - + var verticalSlides = hslide.querySelectorAll( 'section' ); for( var j = 0, len2 = verticalSlides.length; j < len2; j++ ) { @@ -494,19 +494,19 @@ var Reveal = (function(){ // Navigate to this slide on click vslide.addEventListener( 'click', onOverviewSlideClicked, true ); } - + } } } - + /** * Exits the slide overview and enters the currently * active slide. */ function deactivateOverview() { - + // Only proceed if enabled in config if( config.overview ) { @@ -529,15 +529,15 @@ var Reveal = (function(){ } slide(); - + } } /** * Toggles the slide overview mode on and off. * - * @param {Boolean} override Optional flag which overrides the - * toggle logic and forcibly sets the desired state. True means + * @param {Boolean} override Optional flag which overrides the + * toggle logic and forcibly sets the desired state. True means * overview is open, false means it's closed. */ function toggleOverview( override ) { @@ -551,7 +551,7 @@ var Reveal = (function(){ /** * Checks if the overview is currently active. - * + * * @return {Boolean} true if the overview is active, * false otherwise */ @@ -561,26 +561,26 @@ var Reveal = (function(){ /** * Handling the fullscreen functionality via the fullscreen API - * - * @see http://fullscreen.spec.whatwg.org/ - * @see https://developer.mozilla.org/en-US/docs/DOM/Using_fullscreen_mode + * + * @see http://fullscreen.spec.whatwg.org/ + * @see https://developer.mozilla.org/en-US/docs/DOM/Using_fullscreen_mode */ function enterFullscreen() { var element = document.body; - + // Check which implementation is available var requestMethod = element.requestFullScreen || element.webkitRequestFullScreen || element.mozRequestFullScreen || element.msRequestFullScreen; - + if( requestMethod ) { requestMethod.apply( element ); } } /** - * Enters the paused mode which fades everything on screen to + * Enters the paused mode which fades everything on screen to * black. */ function pause() { @@ -612,11 +612,11 @@ var Reveal = (function(){ function isPaused() { return dom.wrapper.classList.contains( 'paused' ); } - + /** - * Steps from the current point in the presentation to the - * slide which matches the specified horizontal and vertical - * indices. + * Steps from the current point in the presentation to the + * slide which matches the specified horizontal and vertical + * indices. * * @param {int} h Horizontal index of the target slide * @param {int} v Vertical index of the target slide @@ -640,7 +640,7 @@ var Reveal = (function(){ // Apply the new state stateLoop: for( var i = 0, len = state.length; i < len; i++ ) { - // Check if this state existed on the previous slide. If it + // Check if this state existed on the previous slide. If it // did, we will avoid adding it repeatedly. for( var j = 0; j < stateBefore.length; j++ ) { if( stateBefore[j] === state[i] ) { @@ -671,7 +671,7 @@ var Reveal = (function(){ } updateControls(); - + // Update the URL hash after a delay since updating it mid-transition // is likely to cause visual lag clearTimeout( writeURLTimeout ); @@ -691,7 +691,7 @@ var Reveal = (function(){ // Dispatch an event if the slide changed if( indexh !== indexhBefore || indexv !== indexvBefore ) { dispatchEvent( 'slidechanged', { - 'indexh': indexh, + 'indexh': indexh, 'indexv': indexv, 'previousSlide': previousSlide, 'currentSlide': currentSlide @@ -702,8 +702,8 @@ var Reveal = (function(){ previousSlide = null; } - // Solves an edge case where the previous slide maintains the - // 'present' class when navigating between adjacent vertical + // Solves an edge case where the previous slide maintains the + // 'present' class when navigating between adjacent vertical // stacks if( previousSlide ) { previousSlide.classList.remove( 'present' ); @@ -713,14 +713,14 @@ var Reveal = (function(){ /** * Updates one dimension of slides by showing the slide * with the specified index. - * + * * @param {String} selector A CSS selector that will fetch * the group of slides we are working with * @param {Number} index The index of the slide that should be * shown - * + * * @return {Number} The index of the slide that is now shown, - * might differ from the passed in index if it was out of + * might differ from the passed in index if it was out of * bounds. */ function updateSlides( selector, index ) { @@ -728,7 +728,7 @@ var Reveal = (function(){ // an array var slides = Array.prototype.slice.call( document.querySelectorAll( selector ) ), slidesLength = slides.length; - + if( slidesLength ) { // Should the index loop? @@ -739,14 +739,14 @@ var Reveal = (function(){ index = slidesLength + index; } } - + // Enforce max and minimum index bounds index = Math.max( Math.min( index, slidesLength - 1 ), 0 ); - + for( var i = 0; i < slidesLength; i++ ) { var element = slides[i]; - // Optimization; hide all slides that are three or more steps + // Optimization; hide all slides that are three or more steps // away from the present slide if( isOverviewActive() === false ) { // The distance loops so that it measures 1 between the first @@ -785,7 +785,7 @@ var Reveal = (function(){ state = state.concat( slideState.split( ' ' ) ); } - // If this slide has a data-autoslide attribtue associated use this as + // If this slide has a data-autoslide attribtue associated use this as // autoSlide value otherwise use the global configured time var slideAutoSlide = slides[index].getAttribute( 'data-autoslide' ); if( slideAutoSlide ) { @@ -796,13 +796,13 @@ var Reveal = (function(){ } else { - // Since there are no slides we can't be anywhere beyond the + // Since there are no slides we can't be anywhere beyond the // zeroth index index = 0; } - + return index; - + } /** @@ -810,7 +810,7 @@ var Reveal = (function(){ */ function updateControls() { if ( config.controls && dom.controls ) { - + var routes = availableRoutes(); // Remove the 'enabled' class from all directions @@ -829,7 +829,7 @@ var Reveal = (function(){ /** * Determine what available routes there are for navigation. - * + * * @return {Object} containing four booleans: left/right/up/down */ function availableRoutes() { @@ -843,7 +843,7 @@ var Reveal = (function(){ down: indexv < verticalSlides.length - 1 }; } - + /** * Reads the current URL (hash) and navigates accordingly. */ @@ -854,7 +854,7 @@ var Reveal = (function(){ var bits = hash.slice( 2 ).split( '/' ), name = hash.replace( /#|\//gi, '' ); - // If the first bit is invalid and there is a name we can + // If the first bit is invalid and there is a name we can // assume that this is a named link if( isNaN( parseInt( bits[0], 10 ) ) && name.length ) { // Find the slide with the specified name @@ -878,32 +878,32 @@ var Reveal = (function(){ slide( h, v ); } } - + /** * Updates the page URL (hash) to reflect the current - * state. + * state. */ function writeURL() { if( config.history ) { var url = '/'; - + // Only include the minimum possible number of components in // the URL if( indexh > 0 || indexv > 0 ) url += indexh; if( indexv > 0 ) url += '/' + indexv; - + window.location.hash = url; } } /** - * Retrieves the h/v location of the current, or specified, + * Retrieves the h/v location of the current, or specified, * slide. - * - * @param {HTMLElement} slide If specified, the returned - * index will be for this slide rather than the currently + * + * @param {HTMLElement} slide If specified, the returned + * index will be for this slide rather than the currently * active one - * + * * @return {Object} { h: <int>, v: <int> } */ function getIndices( slide ) { @@ -933,7 +933,7 @@ var Reveal = (function(){ /** * Navigate to the next slide fragment. - * + * * @return {Boolean} true if there was a next fragment, * false otherwise */ @@ -966,7 +966,7 @@ var Reveal = (function(){ /** * Navigate to the previous slide fragment. - * + * * @return {Boolean} true if there was a previous fragment, * false otherwise */ @@ -993,7 +993,7 @@ var Reveal = (function(){ return true; } } - + return false; } @@ -1008,7 +1008,7 @@ var Reveal = (function(){ autoSlideTimeout = setTimeout( navigateNext, autoSlide ); } } - + function navigateLeft() { // Prioritize hiding fragments if( isOverviewActive() || previousFragment() === false ) { @@ -1071,7 +1071,7 @@ var Reveal = (function(){ availableRoutes().down ? navigateDown() : navigateRight(); } - // If auto-sliding is enabled we need to cue up + // If auto-sliding is enabled we need to cue up // another timeout cueAutoSlide(); } @@ -1084,11 +1084,11 @@ var Reveal = (function(){ /** * Handler for the document level 'keydown' event. - * + * * @param {Object} event */ function onDocumentKeyDown( event ) { - // Disregard the event if the target is editable or a + // Disregard the event if the target is editable or a // modifier is present if ( document.querySelector( ':focus' ) !== null || event.shiftKey || event.altKey || event.ctrlKey || event.metaKey ) return; @@ -1096,7 +1096,7 @@ var Reveal = (function(){ switch( event.keyCode ) { // p, page up - case 80: case 33: navigatePrev(); break; + case 80: case 33: navigatePrev(); break; // n, page down case 78: case 34: navigateNext(); break; // h, left @@ -1123,18 +1123,18 @@ var Reveal = (function(){ triggered = false; } - // If the input resulted in a triggered action we should prevent + // If the input resulted in a triggered action we should prevent // the browsers default behavior if( triggered ) { event.preventDefault(); } else if ( event.keyCode === 27 && supports3DTransforms ) { toggleOverview(); - + event.preventDefault(); } - // If auto-sliding is enabled we need to cue up + // If auto-sliding is enabled we need to cue up // another timeout cueAutoSlide(); @@ -1149,7 +1149,7 @@ var Reveal = (function(){ touch.startY = event.touches[0].clientY; touch.startCount = event.touches.length; - // If there's two touches we need to memorize the distance + // If there's two touches we need to memorize the distance // between those two points to detect pinching if( event.touches.length === 2 && config.overview ) { touch.startSpan = distanceBetween( { @@ -1161,7 +1161,7 @@ var Reveal = (function(){ } ); } } - + /** * Handler for the document level 'touchmove' event. */ @@ -1171,7 +1171,7 @@ var Reveal = (function(){ var currentX = event.touches[0].clientX; var currentY = event.touches[0].clientY; - // If the touch started off with two points and still has + // If the touch started off with two points and still has // two active touches; test for the pinch gesture if( event.touches.length === 2 && touch.startCount === 2 && config.overview ) { @@ -1184,7 +1184,7 @@ var Reveal = (function(){ y: touch.startY } ); - // If the span is larger than the desire amount we've got + // If the span is larger than the desire amount we've got // ourselves a pinch if( Math.abs( touch.startSpan - currentSpan ) > touch.threshold ) { touch.handled = true; @@ -1209,15 +1209,15 @@ var Reveal = (function(){ if( deltaX > touch.threshold && Math.abs( deltaX ) > Math.abs( deltaY ) ) { touch.handled = true; navigateLeft(); - } + } else if( deltaX < -touch.threshold && Math.abs( deltaX ) > Math.abs( deltaY ) ) { touch.handled = true; navigateRight(); - } + } else if( deltaY > touch.threshold ) { touch.handled = true; navigateUp(); - } + } else if( deltaY < -touch.threshold ) { touch.handled = true; navigateDown(); @@ -1227,7 +1227,7 @@ var Reveal = (function(){ } } - // There's a bug with swiping on some Android devices unless + // There's a bug with swiping on some Android devices unless // the default action is always prevented else if( navigator.userAgent.match( /android/gi ) ) { event.preventDefault(); @@ -1242,7 +1242,7 @@ var Reveal = (function(){ } /** - * Handles mouse wheel scrolling, throttled to avoid skipping + * Handles mouse wheel scrolling, throttled to avoid skipping * multiple slides. */ function onDocumentMouseScroll( event ){ @@ -1260,7 +1260,7 @@ var Reveal = (function(){ } /** - * Clicking on the progress bar results in a navigation to the + * Clicking on the progress bar results in a navigation to the * closest approximate horizontal slide using this equation: * * ( clickX / presentationWidth ) * numberOfSlides @@ -1271,10 +1271,10 @@ var Reveal = (function(){ slide( slideIndex ); } - + /** * Handler for the window level 'hashchange' event. - * + * * @param {Object} event */ function onWindowHashChange( event ) { @@ -1285,7 +1285,7 @@ var Reveal = (function(){ * Invoked when a slide is and we're in the overview. */ function onOverviewSlideClicked( event ) { - // TODO There's a bug here where the event listeners are not + // TODO There's a bug here where the event listeners are not // removed after deactivating the overview. if( isOverviewActive() ) { event.preventDefault(); @@ -1299,7 +1299,7 @@ var Reveal = (function(){ } } - + // --------------------------------------------------------------------// // ------------------------------- API --------------------------------// // --------------------------------------------------------------------// @@ -1307,7 +1307,7 @@ var Reveal = (function(){ return { initialize: initialize, - + // Navigation methods slide: slide, left: navigateLeft, @@ -1369,5 +1369,5 @@ var Reveal = (function(){ } } }; - + })();
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