From 740f472ce247958eed5ae7eca0596f1745030f78 Mon Sep 17 00:00:00 2001
From: Hakim El Hattab
Date: Tue, 26 Nov 2013 18:22:01 -0500
Subject: when there is data-autoplay:ing media, prolong autoSlide to match its
 duration #723

---
 js/reveal.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'js/reveal.js')

diff --git a/js/reveal.js b/js/reveal.js
index 743c81b..d1d8ea6 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -2454,6 +2454,17 @@ var Reveal = (function(){
 				autoSlide = config.autoSlide;
 			}
 
+			// If there are media elements with data-autoplay,
+			// automatically set the autoSlide duration to the
+			// length of that media
+			toArray( currentSlide.querySelectorAll( 'video, audio' ) ).forEach( function( el ) {
+				if( el.hasAttribute( 'data-autoplay' ) ) {
+					if( autoSlide && el.duration * 1000 > autoSlide ) {
+						autoSlide = ( el.duration * 1000 ) + 1000;
+					}
+				}
+			} );
+
 			// Cue the next auto-slide if:
 			// - There is an autoSlide value
 			// - Auto-sliding isn't paused by the user
-- 
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