Fix for fullscreen issues on Firefox

Fixes #38

changelog.md

@@ -1,5 +1,8 @@
 # Changelog
 
+## v1.0.19
+- Fixed firefox fullscreen issue (#38)
+
 ## v1.0.18
 - Added CDN references
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "plyr",
-  "version": "1.0.18",
+  "version": "1.0.19",
   "description": "A simple HTML5 media player using custom controls",
   "homepage": "http://plyr.io",
   "main": "gulpfile.js",

readme.md

@@ -43,11 +43,11 @@ More info on setting up dependencies can be found in the [Bower Docs](http://bow
 If you want to use our CDN, you can use the following. Currently it's HTTP only. 
 
 ```html
-<link rel="stylesheet" href="http://cdn.plyr.io/1.0.18/plyr.css">
-<script src="http://cdn.plyr.io/1.0.18/plyr.js"></script>
+<link rel="stylesheet" href="http://cdn.plyr.io/1.0.19/plyr.css">
+<script src="http://cdn.plyr.io/1.0.19/plyr.js"></script>
 ```
 
-You can also access the `sprite.svg` file at `http://cdn.plyr.io/1.0.18/sprite.svg`.
+You can also access the `sprite.svg` file at `http://cdn.plyr.io/1.0.19/sprite.svg`.
 
 ### CSS
 If you want to use the default css, add the `plyr.css` file from /dist into your head, or even better use `plyr.less` or `plyr.sass` file included in `/src` in your build to save a request. 

src/js/plyr.js

@@ -1,6 +1,6 @@
 // ==========================================================================
 // Plyr
-// plyr.js v1.0.17
+// plyr.js v1.0.19
 // https://github.com/sampotts/plyr
 // ==========================================================================
 // Credits: http://paypal.github.io/accessible-html5-video-player/
@@ -795,12 +795,12 @@
         }
 
         // Toggle fullscreen
-        function _toggleFullscreen() {
+        function _toggleFullscreen(event) {
             // Check for native support
             var nativeSupport = fullscreen.supportsFullScreen;
 
             // If it's a fullscreen change event, it's probably a native close
-            if(event.type === fullscreen.fullScreenEventName) {
+            if(event && event.type === fullscreen.fullScreenEventName) {
                 config.fullscreen.active = fullscreen.isFullScreen();
             }
             // If there's native support, use it