diff options
Diffstat (limited to 'js')
| -rw-r--r-- | js/reveal.js | 90 | ||||
| -rw-r--r-- | js/reveal.min.js | 4 |
2 files changed, 84 insertions, 10 deletions
diff --git a/js/reveal.js b/js/reveal.js index fd8a9f0..ccb009f 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -3,7 +3,7 @@ * http://lab.hakim.se/reveal-js * MIT licensed * - * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se + * Copyright (C) 2011-2013 Hakim El Hattab, http://hakim.se */ var Reveal = (function(){ @@ -16,6 +16,19 @@ var Reveal = (function(){ // Configurations defaults, can be overridden at initialization time config = { + + // The "normal" size of the presentation, aspect ratio will be preserved + // when the presentation is scaled to fit different resolutions + width: 960, + height: 700, + + // Factor of the display size that should remain empty around the content + margin: 0.1, + + // Bounds for smallest/largest possible scale to apply to content + minScale: 0.2, + maxScale: 1.0, + // Display controls in the bottom right corner controls: true, @@ -81,6 +94,9 @@ var Reveal = (function(){ // all current slides. state = [], + // The current scale of the presentation (see width/height config) + scale = 1, + // Cached references to DOM elements dom = {}, @@ -128,7 +144,7 @@ var Reveal = (function(){ */ function initialize( options ) { - if( ( !supports2DTransforms && !supports3DTransforms ) ) { + if( !supports2DTransforms && !supports3DTransforms ) { document.body.setAttribute( 'class', 'no-transforms' ); // If the browser doesn't support core features we won't be @@ -219,10 +235,6 @@ var Reveal = (function(){ function hideAddressBar() { if( navigator.userAgent.match( /(iphone|ipod)/i ) ) { - // Give the page some scrollable overflow - document.documentElement.style.overflow = 'scroll'; - document.body.style.height = '120%'; - // Events that should trigger the address bar to hide window.addEventListener( 'load', removeAddressBar, false ); window.addEventListener( 'orientationchange', removeAddressBar, false ); @@ -497,9 +509,18 @@ var Reveal = (function(){ */ function removeAddressBar() { + if( window.orientation === 0 ) { + 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 ); - }, 0 ); + }, 10 ); } @@ -547,13 +568,61 @@ var Reveal = (function(){ */ function layout() { + // Available space to scale within + var availableWidth = dom.wrapper.offsetWidth, + availableHeight = dom.wrapper.offsetHeight; + + // Reduce availabe space by margin + availableWidth -= ( availableHeight * config.margin ); + availableHeight -= ( availableHeight * config.margin ); + + // Dimensions of the content + var slideWidth = config.width, + slideHeight = config.height; + + // Slide width may be a percentage of available width + if( typeof slideWidth === 'string' && /%$/.test( slideWidth ) ) { + slideWidth = parseInt( slideWidth, 10 ) / 100 * availableWidth; + } + + // Slide height may be a percentage of available height + if( typeof slideHeight === 'string' && /%$/.test( slideHeight ) ) { + slideHeight = parseInt( slideHeight, 10 ) / 100 * availableHeight; + } + + dom.slides.style.width = slideWidth + 'px'; + dom.slides.style.height = slideHeight + 'px'; + + // Determine scale of content to fit within available space + scale = Math.min( availableWidth / slideWidth, availableHeight / slideHeight ); + + // Respect max/min scale settings + scale = Math.max( scale, config.minScale ); + scale = Math.min( scale, config.maxScale ); + + // Prefer applying scale via zoom since Chrome blurs scaled content + // with nested transforms + if( typeof dom.slides.style.zoom !== 'undefined' && !navigator.userAgent.match( /(iphone|ipod|android)/gi ) ) { + dom.slides.style.zoom = scale; + } + // Apply scale transform as a fallback + else { + var transform = 'translate(-50%, -50%) scale('+ scale +') translate(50%, 50%)'; + + dom.slides.style.WebkitTransform = transform; + dom.slides.style.MozTransform = transform; + dom.slides.style.msTransform = transform; + dom.slides.style.OTransform = transform; + dom.slides.style.transform = transform; + } + if( config.center ) { // Select all slides, vertical and horizontal var slides = toArray( document.querySelectorAll( SLIDES_SELECTOR ) ); // Determine the minimum top offset for slides - var minTop = -dom.wrapper.offsetHeight / 2; + var minTop = -slideHeight / 2; for( var i = 0, len = slides.length; i < len; i++ ) { var slide = slides[ i ]; @@ -1774,6 +1843,11 @@ var Reveal = (function(){ return currentSlide; }, + // Returns the current scale of the presentation content + getScale: function() { + return scale; + }, + // Helper method, retrieves query string as a key/value hash getQueryHash: function() { var query = {}; diff --git a/js/reveal.min.js b/js/reveal.min.js index 46a765e..1cec6ce 100644 --- a/js/reveal.min.js +++ b/js/reveal.min.js @@ -1,8 +1,8 @@ /*! - * reveal.js 2.2 (2013-01-21, 14:54) + * reveal.js 2.3 (2013-02-02, 19:46) * http://lab.hakim.se/reveal-js * MIT licensed * * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se */ -var Reveal=function(){"use strict";function u(a){return n||m?(window.addEventListener("load",J,!1),C(e,a),w(),x(),void 0):(document.body.setAttribute("class","no-transforms"),void 0)}function v(){if(l.theme=document.querySelector("#theme"),l.wrapper=document.querySelector(".reveal"),l.slides=document.querySelector(".reveal .slides"),!l.wrapper.querySelector(".progress")&&e.progress){var a=document.createElement("div");a.classList.add("progress"),a.innerHTML="<span></span>",l.wrapper.appendChild(a)}if(!l.wrapper.querySelector(".controls")&&e.controls){var b=document.createElement("aside");b.classList.add("controls"),b.innerHTML='<div class="navigate-left"></div><div class="navigate-right"></div><div class="navigate-up"></div><div class="navigate-down"></div>',l.wrapper.appendChild(b)}if(!l.wrapper.querySelector(".state-background")){var 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