Skip to content

Instantly share code, notes, and snippets.

@nevergiveup-j
Last active August 29, 2015 14:02
Show Gist options
  • Save nevergiveup-j/a744c478c0b63300071a to your computer and use it in GitHub Desktop.
Save nevergiveup-j/a744c478c0b63300071a to your computer and use it in GitHub Desktop.
HTML5 全屏API
/*
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;
})();
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment