From 6b0655be5559a9832d2e4dc0ddec85222aa17b9a Mon Sep 17 00:00:00 2001
From: Ernie Park <eipark@mit.edu>
Date: Thu, 1 Mar 2012 15:43:29 -0500
Subject: [PATCH] prevent autoplay on iOS devices (which doesnt work anyway).
 fixes videos so user can click play and it'll play

--HG--
branch : ernie-static-fix-ios-video
---
 js/video_player.js | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/js/video_player.js b/js/video_player.js
index 73a727a14c..59f22dd69d 100644
--- a/js/video_player.js
+++ b/js/video_player.js
@@ -198,7 +198,7 @@ function onYouTubePlayerAPIReady() {
     }
   });
   updateytplayerInfoInterval = setInterval(updateHTML5ytplayerInfo, 200);
-  ajax_videoInterval = setInterval(ajax_video, 5000);
+  //ajax_videoInterval = setInterval(ajax_video, 5000);
 }
 
 // Need this function to call the API ready callback when we switch to a tab with AJAX that has a video
@@ -209,9 +209,26 @@ function loadHTML5Video() {
     }
 }
 
+function isiOSDevice(){
+  var iphone = "iphone";
+  var ipod = "ipod";
+  var ipad = "ipad";
+  var uagent = navigator.userAgent.toLowerCase();
+
+  //alert(uagent);
+  if (uagent.search(ipad) > -1 || uagent.search(iphone) > -1
+      || uagent.search(ipod) > -1) {
+    return true;
+  }
+  return false;
+}
+
 function onPlayerReady(event) {
-  // alert("ready");
-  event.target.playVideo();
+  //do not want to autoplay on iOS devices since its not enabled
+  //and leads to confusing behavior for the user
+  if (!isiOSDevice()) {
+    event.target.playVideo();
+  }
 }
 
 function onPlayerStateChange(event) {