mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-26 17:46:26 +03:00
Joey Parrish
1d1a0fcb46
This also cleans up compiler errors for: - Things required but not used - Things used but not required - Write-only local variables We are suppressing the 'unnecessaryCasts' error in specific places where it is, in fact, necessary to convert between unrelated types for polyfills and work-alikes. Change-Id: I155c746116f95383ea0a9caf9239fadccd8601af
86 lines
2.7 KiB
JavaScript
86 lines
2.7 KiB
JavaScript
/**
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* @license
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* Copyright 2015 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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goog.provide('shaka.polyfill.Fullscreen');
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/**
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* @namespace shaka.polyfill.Fullscreen
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* @exportDoc
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*
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* @summary A polyfill to unify fullscreen APIs across browsers.
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* Many browsers have prefixed fullscreen methods on Element and document.
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* See {@link http://goo.gl/n7TYl0 Using fullscreen mode} on MDN for more
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* information.
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*/
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/**
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* Install the polyfill if needed.
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* @export
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*/
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shaka.polyfill.Fullscreen.install = function() {
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if (!window.Document) {
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// Avoid errors on very old browsers.
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return;
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}
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var proto = Element.prototype;
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proto.requestFullscreen = proto.requestFullscreen ||
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proto.mozRequestFullScreen ||
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proto.msRequestFullscreen ||
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proto.webkitRequestFullscreen;
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proto = Document.prototype;
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proto.exitFullscreen = proto.exitFullscreen ||
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proto.mozCancelFullScreen ||
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proto.msExitFullscreen ||
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proto.webkitExitFullscreen;
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if (!('fullscreenElement' in document)) {
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Object.defineProperty(document, 'fullscreenElement', {
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get: function() {
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return document.mozFullScreenElement ||
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document.msFullscreenElement ||
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document.webkitFullscreenElement;
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}
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});
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}
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var proxy = shaka.polyfill.Fullscreen.proxyEvent_;
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document.addEventListener('webkitfullscreenchange', proxy);
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document.addEventListener('webkitfullscreenerror', proxy);
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document.addEventListener('mozfullscreenchange', proxy);
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document.addEventListener('mozfullscreenerror', proxy);
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document.addEventListener('MSFullscreenChange', proxy);
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document.addEventListener('MSFullscreenError', proxy);
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};
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/**
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* Proxy fullscreen events after changing their name.
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* @param {!Event} event
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* @private
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* @suppress {unnecessaryCasts}
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*/
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shaka.polyfill.Fullscreen.proxyEvent_ = function(event) {
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var type2 = event.type.replace(/^(webkit|moz|MS)/, '').toLowerCase();
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var event2 = new Event(type2, /** @type {EventInit} */(event));
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event.target.dispatchEvent(event2);
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};
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