linear sliding transition option for full page backgrounds (#453)

5 files changed, 70 insertions, 23 deletions

diff --git a/css/reveal.css b/css/reveal.css
index 69a337d..8a51750 100644
--- a/css/reveal.css
+++ b/css/reveal.css
@@ -1321,30 +1321,69 @@ body {
 		background-repeat: no-repeat;
 		background-size: cover;
 
-		-webkit-transition: all 800ms ease;
-		   -moz-transition: all 800ms ease;
-		    -ms-transition: all 800ms ease;
-		     -o-transition: all 800ms ease;
-		        transition: all 800ms ease;
+		-webkit-transition: all 650ms ease;
+		   -moz-transition: all 650ms ease;
+		    -ms-transition: all 650ms ease;
+		     -o-transition: all 650ms ease;
+		        transition: all 650ms ease;
 	}
 	.reveal>.background div.present {
 		opacity: 1;
 		visibility: visible;
 	}
 
+/* Linear sliding transition style */
+.reveal[data-background-transition=linear]>.background div {
+	opacity: 1;
 
-/* Global transition speed settings */
-.reveal[data-transition-speed="fast"] .background div {
-	-webkit-transition-duration: 400ms;
-	   -moz-transition-duration: 400ms;
-	    -ms-transition-duration: 400ms;
-	        transition-duration: 400ms;
+	-webkit-backface-visibility: hidden;
+	   -moz-backface-visibility: hidden;
+	    -ms-backface-visibility: hidden;
+	        backface-visibility: hidden;
 }
-.reveal[data-transition-speed="slow"] .background div {
-	-webkit-transition-duration: 1200ms;
-	   -moz-transition-duration: 1200ms;
-	    -ms-transition-duration: 1200ms;
-	        transition-duration: 1200ms;
+	.reveal[data-background-transition=linear]>.background div.past {
+		-webkit-transform: translate(-100%, 0);
+		   -moz-transform: translate(-100%, 0);
+		    -ms-transform: translate(-100%, 0);
+		     -o-transform: translate(-100%, 0);
+		        transform: translate(-100%, 0);
+	}
+	.reveal[data-background-transition=linear]>.background div.future {
+		-webkit-transform: translate(100%, 0);
+		   -moz-transform: translate(100%, 0);
+		    -ms-transform: translate(100%, 0);
+		     -o-transform: translate(100%, 0);
+		        transform: translate(100%, 0);
+	}
+
+	.reveal[data-background-transition=linear]>.background div>div.past {
+		-webkit-transform: translate(0, -100%);
+		   -moz-transform: translate(0, -100%);
+		    -ms-transform: translate(0, -100%);
+		     -o-transform: translate(0, -100%);
+		        transform: translate(0, -100%);
+	}
+	.reveal[data-background-transition=linear]>.background div>div.future {
+		-webkit-transform: translate(0, 100%);
+		   -moz-transform: translate(0, 100%);
+		    -ms-transform: translate(0, 100%);
+		     -o-transform: translate(0, 100%);
+		        transform: translate(0, 100%);
+	}
+
+
+/* Global transition speed settings */
+.reveal[data-transition-speed="fast"]>.background div {
+	-webkit-transition-duration: 300ms;
+	   -moz-transition-duration: 300ms;
+	    -ms-transition-duration: 300ms;
+	        transition-duration: 300ms;
+}
+.reveal[data-transition-speed="slow"]>.background div {
+	-webkit-transition-duration: 900ms;
+	   -moz-transition-duration: 900ms;
+	    -ms-transition-duration: 900ms;
+	        transition-duration: 900ms;
 }
 
 
diff --git a/css/reveal.min.css b/css/reveal.min.css
index 973e54c..0372f79 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 iframe,.reveal h1,.reveal h2,.reveal h3,.reveal h4,.reveal h5,.reveal h6,.reveal p,.reveal blockquote,.reveal pre,.reveal a,.reveal abbr,.reveal acronym,.reveal address,.reveal big,.reveal cite,.reveal code,.reveal del,.reveal dfn,.reveal em,.reveal img,.reveal ins,.reveal kbd,.reveal q,.reveal s,.reveal samp,.reveal small,.reveal strike,.reveal strong,.reveal sub,.reveal sup,.reveal tt,.reveal var,.reveal b,.reveal u,.reveal i,.reveal center,.reveal dl,.reveal dt,.reveal dd,.reveal ol,.reveal ul,.reveal li,.reveal fieldset,.reveal form,.reveal label,.reveal legend,.reveal table,.reveal caption,.reveal tbody,.reveal tfoot,.reveal thead,.reveal tr,.reveal th,.reveal td,.reveal article,.reveal aside,.reveal canvas,.reveal details,.reveal embed,.reveal figure,.reveal figcaption,.reveal footer,.reveal header,.reveal hgroup,.reveal menu,.reveal nav,.reveal output,.reveal ruby,.reveal section,.reveal 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\ No newline at end of file
diff --git a/js/reveal.js b/js/reveal.js
index 6e5f9e4..3d6e2da 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -79,6 +79,9 @@ var Reveal = (function(){
 			// Transition speed
 			transitionSpeed: 'default', // default/fast/slow
 
+			// Transition style for full page slide backgrounds
+			backgroundTransition: 'default', // default/linear
+
 			// Script dependencies to load
 			dependencies: []
 		},
@@ -415,6 +418,7 @@ var Reveal = (function(){
 		dom.wrapper.classList.add( config.transition );
 
 		dom.wrapper.setAttribute( 'data-transition-speed', config.transitionSpeed );
+		dom.wrapper.setAttribute( 'data-background-transition', config.backgroundTransition );
 
 		if( dom.controls ) {
 			dom.controls.style.display = ( config.controls && dom.controls ) ? 'block' : 'none';
diff --git a/js/reveal.min.js b/js/reveal.min.js
index b005505..c066420 100644
--- a/js/reveal.min.js
+++ b/js/reveal.min.js
@@ -1,8 +1,8 @@
 /*!
- * reveal.js 2.5.0 (2013-06-04, 19:55)
+ * reveal.js 2.5.0 (2013-06-04, 20:14)
  * http://lab.hakim.se/reveal-js
  * MIT licensed
  *
  * Copyright (C) 2013 Hakim El Hattab, http://hakim.se
  */
-var Reveal=function(){"use strict";function e(e){return Nt||Pt?(window.addEventListener("load",g,!1),l(St,e),r(),o(),void 0):(document.body.setAttribute("class","no-transforms"),void 0)}function t(){if(Mt.theme=document.querySelector("#theme"),Mt.wrapper=document.querySelector(".reveal"),Mt.slides=document.querySelector(".reveal .slides"),document.querySelector(".reveal .background")||(Mt.background=document.createElement("div"),Mt.background.classList.add("background"),Mt.wrapper.appendChild(Mt.background)),!Mt.wrapper.querySelector(".progress")){var e=document.createElement("div");e.classList.add("progress"),e.innerHTML="<span></span>",Mt.wrapper.appendChild(e)}if(!Mt.wrapper.querySelector(".controls")){var t=document.createElement("aside");t.classList.add("controls"),t.innerHTML='<div class="navigate-left"></div><div class="navigate-right"></div><div class="navigate-up"></div><div class="navigate-down"></div>',Mt.wrapper.appendChild(t)}if(!Mt.wrapper.querySelector(".state-background")){var n=document.createElement("div");n.classList.add("state-background"),Mt.wrapper.appendChild(n)}if(!Mt.wrapper.querySelector(".pause-overlay")){var r=document.createElement("div");r.classList.add("pause-overlay"),Mt.wrapper.appendChild(r)}Mt.progress=document.querySelector(".reveal .progress"),Mt.progressbar=document.querySelector(".reveal .progress span"),St.controls&&(Mt.controls=document.querySelector(".reveal .controls"),Mt.controlsLeft=d(document.querySelectorAll(".navigate-left")),Mt.controlsRight=d(document.querySelectorAll(".navigate-right")),Mt.controlsUp=d(document.querySelectorAll(".navigate-up")),Mt.controlsDown=d(document.querySelectorAll(".navigate-down")),Mt.controlsPrev=d(document.querySelectorAll(".navigate-prev")),Mt.controlsNext=d(document.querySelectorAll(".navigate-next")))}function n(){function e(e,t){var n={background:e.getAttribute("data-background"),backgroundSize:e.getAttribute("data-background-size"),backgroundRepeat:e.getAttribute("data-background-repeat"),backgroundPosition:e.getAttribute("data-background-position")},r=document.createElement("div");return n.background&&(/\.(png|jpg|jpeg|gif|bmp|)$/gi.test(n.background)?r.style.backgroundImage="url("+n.background+")":r.style.background=n.background),n.backgroundSize&&(r.style.backgroundSize=n.backgroundSize),n.backgroundRepeat&&(r.style.backgroundRepeat=n.backgroundRepeat),n.backgroundPosition&&(r.style.backgroundPosition=n.backgroundPosition),t.appendChild(r),r}Mt.background.innerHTML="",Mt.background.classList.add("no-transition"),d(document.querySelectorAll(Lt)).forEach(function(t){var n=e(t,Mt.background);d(t.querySelectorAll("section")).forEach(function(t){e(t,n)})})}function r(){/iphone|ipod|android/gi.test(navigator.userAgent)&&!/crios/gi.test(navigator.userAgent)&&(window.addEventListener("load",f,!1),window.addEventListener("orientationchange",f,!1))}function o(){function e(){n.length&&head.js.apply(null,n),a()}for(var t=[],n=[],r=0,o=St.dependencies.length;o>r;r++){var s=St.dependencies[r];(!s.condition||s.condition())&&(s.async?n.push(s.src):t.push(s.src),"function"==typeof s.callback&&head.ready(s.src.match(/([\w\d_\-]*)\.?js$|[^\\\/]*$/i)[0],s.callback))}t.length?(head.ready(e),head.js.apply(null,t)):e()}function a(){t(),s(),I(),setTimeout(function(){v("ready",{indexh:At,indexv:qt,currentSlide:yt})},1)}function s(e){if(Mt.wrapper.classList.remove(St.transition),"object"==typeof 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document.body.style,Dt=0,Ct=0,Rt=0,Ot=0,Yt=0,zt=!1,Xt={startX:0,startY:0,startSpan:0,startCount:0,handled:!1,threshold:80};return{initialize:e,configure:s,sync:N,slide:P,left:$,right:V,up:Z,down:Q,prev:B,next:G,prevFragment:j,nextFragment:F,navigateTo:P,navigateLeft:$,navigateRight:V,navigateUp:Z,navigateDown:Q,navigatePrev:B,navigateNext:G,layout:g,availableRoutes:Y,availableFragments:z,toggleOverview:E,togglePause:T,isOverview:S,isPaused:M,addEventListeners:i,removeEventListeners:c,getIndices:U,getSlide:function(e,t){var n=document.querySelectorAll(Lt)[e],r=n&&n.querySelectorAll("section");return t!==void 0?r?r[t]:void 0:n},getPreviousSlide:function(){return gt},getCurrentSlide:function(){return yt},getScale:function(){return Tt},getConfig:function(){return St},getQueryHash:function(){var e={};return location.search.replace(/[A-Z0-9]+?=(\w*)/gi,function(t){e[t.split("=").shift()]=t.split("=").pop()}),e},isFirstSlide:function(){return null==document.querySelector(bt+".past")?!0:!1},isLastSlide:function(){return yt&&yt.classList.contains(".stack")?null==yt.querySelector(bt+".future")?!0:!1:null==document.querySelector(bt+".future")?!0:!1},addEventListener:function(e,t,n){"addEventListener"in window&&(Mt.wrapper||document.querySelector(".reveal")).addEventListener(e,t,n)},removeEventListener:function(e,t,n){"addEventListener"in window&&(Mt.wrapper||document.querySelector(".reveal")).removeEventListener(e,t,n)}}}();
\ No newline at end of file
diff --git a/test/background.html b/test/background.html
index 409d2cc..42689f3 100644
--- a/test/background.html
+++ b/test/background.html
@@ -19,11 +19,11 @@
 			<div class="slides">
 
 				<section data-background="#00ffff">
-					<h2>data-background: #00ff00</h2>
+					<h2>data-background: #00ffff</h2>
 				</section>
 
-				<section data-background="#0000ff">
-					<h2>data-background: #0000ff</h2>
+				<section data-background="#bb00bb">
+					<h2>data-background: #bb00bb</h2>
 				</section>
 
 				<section>
@@ -74,7 +74,11 @@
 				controls: true,
 				progress: true,
 				history: true,
-				center: true
+				center: true,
+
+				transition: 'linear',
+				// transitionSpeed: 'slow',
+				// backgroundTransition: 'linear'
 			});
 
 		</script>