125 lines
3.8 KiB
JavaScript
125 lines
3.8 KiB
JavaScript
// Copyright 2012 The Closure Library Authors. All Rights Reserved.
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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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* @fileoverview Functions for managing full screen status of the DOM.
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*
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*/
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goog.provide('goog.dom.fullscreen');
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goog.provide('goog.dom.fullscreen.EventType');
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goog.require('goog.dom');
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goog.require('goog.userAgent');
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goog.require('goog.userAgent.product');
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/**
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* Event types for full screen.
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* @enum {string}
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*/
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goog.dom.fullscreen.EventType = {
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/** Dispatched by the Document when the fullscreen status changes. */
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CHANGE: goog.userAgent.WEBKIT ?
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'webkitfullscreenchange' :
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'mozfullscreenchange'
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};
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/**
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* Determines if full screen is supported.
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* @param {!goog.dom.DomHelper=} opt_domHelper The DomHelper for the DOM being
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* queried. If not provided, use the current DOM.
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* @return {boolean} True iff full screen is supported.
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*/
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goog.dom.fullscreen.isSupported = function(opt_domHelper) {
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var doc = goog.dom.fullscreen.getDocument_(opt_domHelper);
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var body = doc.body;
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return !!body.webkitRequestFullScreen ||
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(!!body.mozRequestFullScreen && doc.mozFullScreenEnabled);
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};
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/**
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* Requests putting the element in full screen.
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* @param {!Element} element The element to put full screen.
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*/
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goog.dom.fullscreen.requestFullScreen = function(element) {
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if (element.webkitRequestFullScreen) {
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element.webkitRequestFullScreen();
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} else if (element.mozRequestFullScreen) {
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element.mozRequestFullScreen();
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}
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};
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/**
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* Requests putting the element in full screen with full keyboard access.
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* @param {!Element} element The element to put full screen.
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*/
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goog.dom.fullscreen.requestFullScreenWithKeys = function(
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element) {
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if (element.mozRequestFullScreenWithKeys) {
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element.mozRequestFullScreenWithKeys();
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} else if (element.webkitRequestFullScreen &&
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element.ALLOW_KEYBOARD_INPUT &&
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goog.userAgent.product.CHROME) {
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// Safari has the ALLOW_KEYBOARD_INPUT property but using it gives an error.
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element.webkitRequestFullScreen(element.ALLOW_KEYBOARD_INPUT);
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} else {
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goog.dom.fullscreen.requestFullScreen(element);
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}
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};
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/**
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* Exits full screen.
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* @param {!goog.dom.DomHelper=} opt_domHelper The DomHelper for the DOM being
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* queried. If not provided, use the current DOM.
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*/
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goog.dom.fullscreen.exitFullScreen = function(opt_domHelper) {
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var doc = goog.dom.fullscreen.getDocument_(opt_domHelper);
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if (doc.webkitCancelFullScreen) {
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doc.webkitCancelFullScreen();
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} else if (doc.mozCancelFullScreen) {
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doc.mozCancelFullScreen();
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}
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};
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/**
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* Determines if the document is full screen.
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* @param {!goog.dom.DomHelper=} opt_domHelper The DomHelper for the DOM being
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* queried. If not provided, use the current DOM.
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* @return {boolean} Whether the document is full screen.
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*/
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goog.dom.fullscreen.isFullScreen = function(opt_domHelper) {
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var doc = goog.dom.fullscreen.getDocument_(opt_domHelper);
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return !!doc.webkitIsFullScreen || !!doc.mozFullScreen;
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};
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/**
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* Gets the document object of the dom.
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* @param {!goog.dom.DomHelper=} opt_domHelper The DomHelper for the DOM being
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* queried. If not provided, use the current DOM.
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* @return {!Document} The dom document.
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* @private
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*/
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goog.dom.fullscreen.getDocument_ = function(opt_domHelper) {
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return opt_domHelper ?
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opt_domHelper.getDocument() :
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goog.dom.getDomHelper().getDocument();
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};
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