video background playback

2 files changed, 20 insertions, 6 deletions

diff --git a/js/reveal.js b/js/reveal.js
index b229453..04350d0 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -2001,7 +2001,7 @@ var Reveal = (function(){
 			}
 
 			if( includeAll || h === indexh ) {
-				toArray( backgroundh.childNodes ).forEach( function( backgroundv, v ) {
+				toArray( backgroundh.querySelectorAll( 'section' ) ).forEach( function( backgroundv, v ) {
 
 					if( v < indexv ) {
 						backgroundv.className = 'slide-background past';
@@ -2021,9 +2021,22 @@ var Reveal = (function(){
 
 		} );
 
-		// Don't transition between identical backgrounds. This
-		// prevents unwanted flicker.
+		// Stop any currently playing video background
+		if( previousBackground ) {
+
+			var previousVideo = previousBackground.querySelector( 'video' );
+			if( previousVideo ) previousVideo.pause();
+
+		}
+
 		if( currentBackground ) {
+
+			// Start video playback
+			var currentVideo = currentBackground.querySelector( 'video' );
+			if( currentVideo ) currentVideo.play();
+
+			// Don't transition between identical backgrounds. This
+			// prevents unwanted flicker.
 			var previousBackgroundHash = previousBackground ? previousBackground.getAttribute( 'data-background-hash' ) : null;
 			var currentBackgroundHash = currentBackground.getAttribute( 'data-background-hash' );
 			if( currentBackgroundHash && currentBackgroundHash === previousBackgroundHash && currentBackground !== previousBackground ) {
@@ -2031,6 +2044,7 @@ var Reveal = (function(){
 			}
 
 			previousBackground = currentBackground;
+
 		}
 
 		// Allow the first background to apply without transition
diff --git a/js/reveal.min.js b/js/reveal.min.js
index 89ea604..3c481bc 100644
--- a/js/reveal.min.js
+++ b/js/reveal.min.js
@@ -1,9 +1,9 @@
 /*!
- * reveal.js 2.7.0-dev (2014-04-03, 11:56)
+ * reveal.js 2.7.0-dev (2014-04-04, 09:21)
  * 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(),!mc.transforms2d&&!mc.transforms3d)return document.body.setAttribute("class","no-transforms"),void 0;window.addEventListener("load",C,!1);var d=Reveal.getQueryHash();"undefined"!=typeof d.dependencies&&delete d.dependencies,l(hc,a),l(hc,d),t(),c()}function b(){mc.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,mc.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,mc.requestAnimationFrameMethod=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame,mc.requestAnimationFrame="function"==typeof 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