From af61d9d10baee982fe82132acc4cd2dd604a6c61 Mon Sep 17 00:00:00 2001
From: Hakim El Hattab <hakim.elhattab@gmail.com>
Date: Thu, 12 Jun 2014 18:15:32 +0200
Subject: [PATCH] rewrite youtube iframe embeds to force ?enablejsapi=1 (fixes
#856)
---
js/reveal.js | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/js/reveal.js b/js/reveal.js
index c311fb0..f98d511 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -1959,6 +1959,8 @@
updateSlideNumber();
updateSlidesVisibility();
+ formatEmbeddedContent();
+
}
/**
@@ -2542,6 +2544,21 @@
}
+ /**
+ * Enforces origin-specific format rules for embedded content.
+ */
+ function formatEmbeddedContent() {
+
+ // YouTube frames must include "?enablejsapi=1"
+ toArray( dom.slides.querySelectorAll( 'iframe[src*="youtube.com/embed/"]' ) ).forEach( function( el ) {
+ var src = el.getAttribute( 'src' );
+ if( !/enablejsapi\=1/gi.test( src ) ) {
+ el.setAttribute( 'src', src + ( !/\?/.test( src ) ? '?' : '' ) + 'enablejsapi=1' );
+ }
+ });
+
+ }
+
/**
* Start playback of any embedded content inside of
* the targeted slide.
--
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