diff --git a/js/reveal.js b/js/reveal.js
index ffcb489..40d26df 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -425,71 +425,26 @@ var Reveal = (function(){
dom.background.innerHTML = '';
dom.background.classList.add( 'no-transition' );
- // Helper method for creating a background element for the
- // given slide
- function _createBackground( slide, container ) {
-
- var data = {
- background: slide.getAttribute( 'data-background' ),
- backgroundSize: slide.getAttribute( 'data-background-size' ),
- backgroundImage: slide.getAttribute( 'data-background-image' ),
- backgroundColor: slide.getAttribute( 'data-background-color' ),
- backgroundRepeat: slide.getAttribute( 'data-background-repeat' ),
- backgroundPosition: slide.getAttribute( 'data-background-position' ),
- backgroundTransition: slide.getAttribute( 'data-background-transition' )
- };
-
- var element = document.createElement( 'div' );
- element.className = 'slide-background';
-
- if( data.background ) {
- // Auto-wrap image urls in url(...)
- if( /^(http|file|\/\/)/gi.test( data.background ) || /\.(svg|png|jpg|jpeg|gif|bmp)$/gi.test( data.background ) ) {
- element.style.backgroundImage = 'url('+ data.background +')';
- }
- else {
- element.style.background = data.background;
- }
- }
-
- if( data.background || data.backgroundColor || data.backgroundImage ) {
- element.setAttribute( 'data-background-hash', data.background + data.backgroundSize + data.backgroundImage + data.backgroundColor + data.backgroundRepeat + data.backgroundPosition + data.backgroundTransition );
- }
-
- // Additional and optional background properties
- if( data.backgroundSize ) element.style.backgroundSize = data.backgroundSize;
- if( data.backgroundImage ) element.style.backgroundImage = 'url("' + data.backgroundImage + '")';
- if( data.backgroundColor ) element.style.backgroundColor = data.backgroundColor;
- if( data.backgroundRepeat ) element.style.backgroundRepeat = data.backgroundRepeat;
- if( data.backgroundPosition ) element.style.backgroundPosition = data.backgroundPosition;
- if( data.backgroundTransition ) element.setAttribute( 'data-background-transition', data.backgroundTransition );
-
- container.appendChild( element );
-
- return element;
-
- }
-
// Iterate over all horizontal slides
toArray( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).forEach( function( slideh ) {
var backgroundStack;
if( isPrintingPDF() ) {
- backgroundStack = _createBackground( slideh, slideh );
+ backgroundStack = createBackground( slideh, slideh );
}
else {
- backgroundStack = _createBackground( slideh, dom.background );
+ backgroundStack = createBackground( slideh, dom.background );
}
// Iterate over all vertical slides
toArray( slideh.querySelectorAll( 'section' ) ).forEach( function( slidev ) {
if( isPrintingPDF() ) {
- _createBackground( slidev, slidev );
+ createBackground( slidev, slidev );
}
else {
- _createBackground( slidev, backgroundStack );
+ createBackground( slidev, backgroundStack );
}
} );
@@ -520,6 +475,56 @@ var Reveal = (function(){
}
+ /**
+ * Creates a background for the given slide.
+ *
+ * @param {HTMLElement} slide
+ * @param {HTMLElement} container The element that the background
+ * should be appended to
+ */
+ function createBackground( slide, container ) {
+
+ var data = {
+ background: slide.getAttribute( 'data-background' ),
+ backgroundSize: slide.getAttribute( 'data-background-size' ),
+ backgroundImage: slide.getAttribute( 'data-background-image' ),
+ backgroundColor: slide.getAttribute( 'data-background-color' ),
+ backgroundRepeat: slide.getAttribute( 'data-background-repeat' ),
+ backgroundPosition: slide.getAttribute( 'data-background-position' ),
+ backgroundTransition: slide.getAttribute( 'data-background-transition' )
+ };
+
+ var element = document.createElement( 'div' );
+ element.className = 'slide-background';
+
+ if( data.background ) {
+ // Auto-wrap image urls in url(...)
+ if( /^(http|file|\/\/)/gi.test( data.background ) || /\.(svg|png|jpg|jpeg|gif|bmp)$/gi.test( data.background ) ) {
+ element.style.backgroundImage = 'url('+ data.background +')';
+ }
+ else {
+ element.style.background = data.background;
+ }
+ }
+
+ if( data.background || data.backgroundColor || data.backgroundImage ) {
+ element.setAttribute( 'data-background-hash', data.background + data.backgroundSize + data.backgroundImage + data.backgroundColor + data.backgroundRepeat + data.backgroundPosition + data.backgroundTransition );
+ }
+
+ // Additional and optional background properties
+ if( data.backgroundSize ) element.style.backgroundSize = data.backgroundSize;
+ if( data.backgroundImage ) element.style.backgroundImage = 'url("' + data.backgroundImage + '")';
+ if( data.backgroundColor ) element.style.backgroundColor = data.backgroundColor;
+ if( data.backgroundRepeat ) element.style.backgroundRepeat = data.backgroundRepeat;
+ if( data.backgroundPosition ) element.style.backgroundPosition = data.backgroundPosition;
+ if( data.backgroundTransition ) element.setAttribute( 'data-background-transition', data.backgroundTransition );
+
+ container.appendChild( element );
+
+ return element;
+
+ }
+
/**
* Applies the configuration settings from the config
* object. May be called multiple times.
diff --git a/js/reveal.min.js b/js/reveal.min.js
index ba9ab6d..549d755 100644
--- a/js/reveal.min.js
+++ b/js/reveal.min.js
@@ -1,9 +1,9 @@
/*!
- * reveal.js 2.7.0-dev (2014-03-25, 21:37)
+ * reveal.js 2.7.0-dev (2014-03-26, 15:19)
* http://lab.hakim.se/reveal-js
* MIT licensed
*
* Copyright (C) 2014 Hakim El Hattab, http://hakim.se
*/
-var Reveal=function(){"use strict";function a(a){if(b(),!kc.transforms2d&&!kc.transforms3d)return document.body.setAttribute("class","no-transforms"),void 0;window.addEventListener("load",B,!1);var d=Reveal.getQueryHash();"undefined"!=typeof d.dependencies&&delete d.dependencies,k(fc,a),k(fc,d),s(),c()}function b(){kc.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,kc.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,kc.requestAnimationFrameMethod=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame,kc.requestAnimationFrame="function"==typeof kc.requestAnimationFrameMethod,kc.canvas=!!document.createElement("canvas").getContext,_b=navigator.userAgent.match(/(iphone|ipod|android)/gi)}function c(){function a(){e.length&&head.js.apply(null,e),d()}function b(b){head.ready(b.src.match(/([\w\d_\-]*)\.?js$|[^\\\/]*$/i)[0],function(){"function"==typeof b.callback&&b.callback.apply(this),0===--f&&a()})}for(var c=[],e=[],f=0,g=0,h=fc.dependencies.length;h>g;g++){var i=fc.dependencies[g];(!i.condition||i.condition())&&(i.async?e.push(i.src):c.push(i.src),b(i))}c.length?(f=c.length,head.js.apply(null,c)):a()}function d(){e(),T(),h(),gb(),$(!0),setTimeout(function(){jc.slides.classList.remove("no-transition"),gc=!0,u("ready",{indexh:Wb,indexv:Xb,currentSlide:Zb})},1)}function e(){jc.theme=document.querySelector("#theme"),jc.wrapper=document.querySelector(".reveal"),jc.slides=document.querySelector(".reveal .slides"),jc.slides.classList.add("no-transition"),jc.background=f(jc.wrapper,"div","backgrounds",null),jc.progress=f(jc.wrapper,"div","progress",""),jc.progressbar=jc.progress.querySelector("span"),f(jc.wrapper,"aside","controls",''),jc.slideNumber=f(jc.wrapper,"div","slide-number",""),f(jc.wrapper,"div","state-background",null),f(jc.wrapper,"div","pause-overlay",null),jc.controls=document.querySelector(".reveal .controls"),jc.controlsLeft=l(document.querySelectorAll(".navigate-left")),jc.controlsRight=l(document.querySelectorAll(".navigate-right")),jc.controlsUp=l(document.querySelectorAll(".navigate-up")),jc.controlsDown=l(document.querySelectorAll(".navigate-down")),jc.controlsPrev=l(document.querySelectorAll(".navigate-prev")),jc.controlsNext=l(document.querySelectorAll(".navigate-next"))}function f(a,b,c,d){var e=a.querySelector("."+c);return e||(e=document.createElement(b),e.classList.add(c),null!==d&&(e.innerHTML=d),a.appendChild(e)),e}function g(){function a(a,b){var c={background:a.getAttribute("data-background"),backgroundSize:a.getAttribute("data-background-size"),backgroundImage:a.getAttribute("data-background-image"),backgroundColor:a.getAttribute("data-background-color"),backgroundRepeat:a.getAttribute("data-background-repeat"),backgroundPosition:a.getAttribute("data-background-position"),backgroundTransition:a.getAttribute("data-background-transition")},d=document.createElement("div");return d.className="slide-background",c.background&&(/^(http|file|\/\/)/gi.test(c.background)||/\.(svg|png|jpg|jpeg|gif|bmp)$/gi.test(c.background)?d.style.backgroundImage="url("+c.background+")":d.style.background=c.background),(c.background||c.backgroundColor||c.backgroundImage)&&d.setAttribute("data-background-hash",c.background+c.backgroundSize+c.backgroundImage+c.backgroundColor+c.backgroundRepeat+c.backgroundPosition+c.backgroundTransition),c.backgroundSize&&(d.style.backgroundSize=c.backgroundSize),c.backgroundImage&&(d.style.backgroundImage='url("'+c.backgroundImage+'")'),c.backgroundColor&&(d.style.backgroundColor=c.backgroundColor),c.backgroundRepeat&&(d.style.backgroundRepeat=c.backgroundRepeat),c.backgroundPosition&&(d.style.backgroundPosition=c.backgroundPosition),c.backgroundTransition&&d.setAttribute("data-background-transition",c.backgroundTransition),b.appendChild(d),d}r()&&document.body.classList.add("print-pdf"),jc.background.innerHTML="",jc.background.classList.add("no-transition"),l(document.querySelectorAll(cc)).forEach(function(b){var c;c=r()?a(b,b):a(b,jc.background),l(b.querySelectorAll("section")).forEach(function(b){r()?a(b,b):a(b,c)})}),fc.parallaxBackgroundImage?(jc.background.style.backgroundImage='url("'+fc.parallaxBackgroundImage+'")',jc.background.style.backgroundSize=fc.parallaxBackgroundSize,setTimeout(function(){jc.wrapper.classList.add("has-parallax-background")},1)):(jc.background.style.backgroundImage="",jc.wrapper.classList.remove("has-parallax-background"))}function h(a){var b=document.querySelectorAll(bc).length;if(jc.wrapper.classList.remove(fc.transition),"object"==typeof a&&k(fc,a),kc.transforms3d===!1&&(fc.transition="linear"),jc.wrapper.classList.add(fc.transition),jc.wrapper.setAttribute("data-transition-speed",fc.transitionSpeed),jc.wrapper.setAttribute("data-background-transition",fc.backgroundTransition),jc.controls.style.display=fc.controls?"block":"none",jc.progress.style.display=fc.progress?"block":"none",fc.rtl?jc.wrapper.classList.add("rtl"):jc.wrapper.classList.remove("rtl"),fc.center?jc.wrapper.classList.add("center"):jc.wrapper.classList.remove("center"),fc.mouseWheel?(document.addEventListener("DOMMouseScroll",Hb,!1),document.addEventListener("mousewheel",Hb,!1)):(document.removeEventListener("DOMMouseScroll",Hb,!1),document.removeEventListener("mousewheel",Hb,!1)),fc.rollingLinks?v():w(),fc.previewLinks?x():(y(),x("[data-preview-link]")),ac&&(ac.destroy(),ac=null),b>1&&fc.autoSlide&&fc.autoSlideStoppable&&kc.canvas&&kc.requestAnimationFrame&&(ac=new Vb(jc.wrapper,function(){return Math.min(Math.max((Date.now()-qc)/oc,0),1)}),ac.on("click",Ub),rc=!1),fc.fragments===!1&&l(jc.slides.querySelectorAll(".fragment")).forEach(function(a){a.classList.add("visible"),a.classList.remove("current-fragment")}),fc.theme&&jc.theme){var c=jc.theme.getAttribute("href"),d=/[^\/]*?(?=\.css)/,e=c.match(d)[0];fc.theme!==e&&(c=c.replace(d,fc.theme),jc.theme.setAttribute("href",c))}S()}function i(){if(nc=!0,window.addEventListener("hashchange",Pb,!1),window.addEventListener("resize",Qb,!1),fc.touch&&(jc.wrapper.addEventListener("touchstart",Bb,!1),jc.wrapper.addEventListener("touchmove",Cb,!1),jc.wrapper.addEventListener("touchend",Db,!1),window.navigator.pointerEnabled?(jc.wrapper.addEventListener("pointerdown",Eb,!1),jc.wrapper.addEventListener("pointermove",Fb,!1),jc.wrapper.addEventListener("pointerup",Gb,!1)):window.navigator.msPointerEnabled&&(jc.wrapper.addEventListener("MSPointerDown",Eb,!1),jc.wrapper.addEventListener("MSPointerMove",Fb,!1),jc.wrapper.addEventListener("MSPointerUp",Gb,!1))),fc.keyboard&&document.addEventListener("keydown",Ab,!1),fc.progress&&jc.progress&&jc.progress.addEventListener("click",Ib,!1),fc.focusBodyOnPageVisiblityChange){var a;"hidden"in document?a="visibilitychange":"msHidden"in document?a="msvisibilitychange":"webkitHidden"in document&&(a="webkitvisibilitychange"),a&&document.addEventListener(a,Rb,!1)}["touchstart","click"].forEach(function(a){jc.controlsLeft.forEach(function(b){b.addEventListener(a,Jb,!1)}),jc.controlsRight.forEach(function(b){b.addEventListener(a,Kb,!1)}),jc.controlsUp.forEach(function(b){b.addEventListener(a,Lb,!1)}),jc.controlsDown.forEach(function(b){b.addEventListener(a,Mb,!1)}),jc.controlsPrev.forEach(function(b){b.addEventListener(a,Nb,!1)}),jc.controlsNext.forEach(function(b){b.addEventListener(a,Ob,!1)})})}function j(){nc=!1,document.removeEventListener("keydown",Ab,!1),window.removeEventListener("hashchange",Pb,!1),window.removeEventListener("resize",Qb,!1),jc.wrapper.removeEventListener("touchstart",Bb,!1),jc.wrapper.removeEventListener("touchmove",Cb,!1),jc.wrapper.removeEventListener("touchend",Db,!1),window.navigator.pointerEnabled?(jc.wrapper.removeEventListener("pointerdown",Eb,!1),jc.wrapper.removeEventListener("pointermove",Fb,!1),jc.wrapper.removeEventListener("pointerup",Gb,!1)):window.navigator.msPointerEnabled&&(jc.wrapper.removeEventListener("MSPointerDown",Eb,!1),jc.wrapper.removeEventListener("MSPointerMove",Fb,!1),jc.wrapper.removeEventListener("MSPointerUp",Gb,!1)),fc.progress&&jc.progress&&jc.progress.removeEventListener("click",Ib,!1),["touchstart","click"].forEach(function(a){jc.controlsLeft.forEach(function(b){b.removeEventListener(a,Jb,!1)}),jc.controlsRight.forEach(function(b){b.removeEventListener(a,Kb,!1)}),jc.controlsUp.forEach(function(b){b.removeEventListener(a,Lb,!1)}),jc.controlsDown.forEach(function(b){b.removeEventListener(a,Mb,!1)}),jc.controlsPrev.forEach(function(b){b.removeEventListener(a,Nb,!1)}),jc.controlsNext.forEach(function(b){b.removeEventListener(a,Ob,!1)})})}function 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