Fix fullscreen polyfill for MSIE 11 (#777)

shaka-project · May 8, 2017 · 74e21ea · 74e21ea
1 parent 52ed12c
commit 74e21ea
Showing 1 changed file with 12 additions and 3 deletions.
diff --git a/lib/polyfill/fullscreen.js b/lib/polyfill/fullscreen.js
@@ -84,9 +84,18 @@ shaka.polyfill.Fullscreen.install = function() {
  * @private
  */
 shaka.polyfill.Fullscreen.proxyEvent_ = function(event) {
-  var type2 = event.type.replace(/^(webkit|moz|MS)/, '').toLowerCase();
-  var event2 = new Event(type2, /** @type {EventInit} */(event));
-  event.target.dispatchEvent(event2);
+  var eventType = event.type.replace(/^(webkit|moz|MS)/, '').toLowerCase();
+
+  var newEvent;
+  // IE 11 does not have an Event constructor
+  if (typeof(Event) === 'function') {
+    newEvent = new Event(eventType, /** @type {EventInit} */(event));
+  } else {
+    newEvent = document.createEvent('Event');
+    newEvent.initEvent(eventType, event.bubbles, event.cancelable);
+  }
+
+  event.target.dispatchEvent(newEvent);
 };