jonas8 · February 6, 2012 03:08 · Nov 10, 2011
diff --git a/Native_FullScreen.js b/Native_FullScreen.js
@@ -0,0 +1,71 @@
+/* 
+Native FullScreen JavaScript API
+CopyRight: Johndyer, http://johndyer.name/native-fullscreen-javascript-api-plus-jquery-plugin/
+-------------
+Assumes Mozilla naming conventions instead of W3C for now
+*/
+(function() {
+    var
+        fullScreenApi = {
+            supportsFullScreen: false,
+            isFullScreen: function() { return false; },
+            requestFullScreen: function() {},
+            cancelFullScreen: function() {},
+            fullScreenEventName: '',
+            prefix: ''
+        },
+        browserPrefixes = 'webkit moz o ms khtml'.split(' ');
+
+    // check for native support
+    if (typeof document.cancelFullScreen != 'undefined') {
+        fullScreenApi.supportsFullScreen = true;
+    } else {
+        // check for fullscreen support by vendor prefix
+        for (var i = 0, il = browserPrefixes.length; i < il; i++ ) {
+            fullScreenApi.prefix = browserPrefixes[i];
+
+            if (typeof document[fullScreenApi.prefix + 'CancelFullScreen' ] != 'undefined' ) {
+                fullScreenApi.supportsFullScreen = true;
+
+                break;
+            }
+        }
+    }
+
+    // update methods to do something useful
+    if (fullScreenApi.supportsFullScreen) {
+        fullScreenApi.fullScreenEventName = fullScreenApi.prefix + 'fullscreenchange';
+
+        fullScreenApi.isFullScreen = function() {
+            switch (this.prefix) {
+                case '':
+                    return document.fullScreen;
+                case 'webkit':
+                    return document.webkitIsFullScreen;
+                default:
+                    return document[this.prefix + 'FullScreen'];
+            }
+        }
+        fullScreenApi.requestFullScreen = function(el) {
+            return (this.prefix === '') ? el.requestFullScreen() : el[this.prefix + 'RequestFullScreen']();
+        }
+        fullScreenApi.cancelFullScreen = function(el) {
+            return (this.prefix === '') ? document.cancelFullScreen() : document[this.prefix + 'CancelFullScreen']();
+        }
+    }
+
+    // jQuery plugin
+    if (typeof jQuery != 'undefined') {
+        jQuery.fn.requestFullScreen = function() {
+
+            return this.each(function() {
+                if (fullScreenApi.supportsFullScreen) {
+                    fullScreenApi.requestFullScreen(this);
+                }
+            });
+        };
+    }
+
+    // export api
+    window.fullScreenApi = fullScreenApi;
+})();