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// Copyright 2012 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview Functions for managing full screen status of the DOM.
*
*/
goog.provide('goog.dom.fullscreen');
goog.provide('goog.dom.fullscreen.EventType');
goog.require('goog.dom');
goog.require('goog.userAgent');
goog.require('goog.userAgent.product');
/**
* Event types for full screen.
* @enum {string}
*/
goog.dom.fullscreen.EventType = {
/** Dispatched by the Document when the fullscreen status changes. */
CHANGE: goog.userAgent.WEBKIT ?
'webkitfullscreenchange' :
'mozfullscreenchange'
};
/**
* Determines if full screen is supported.
* @param {!goog.dom.DomHelper=} opt_domHelper The DomHelper for the DOM being
* queried. If not provided, use the current DOM.
* @return {boolean} True iff full screen is supported.
*/
goog.dom.fullscreen.isSupported = function(opt_domHelper) {
var doc = goog.dom.fullscreen.getDocument_(opt_domHelper);
var body = doc.body;
return !!body.webkitRequestFullScreen ||
(!!body.mozRequestFullScreen && doc.mozFullScreenEnabled);
};
/**
* Requests putting the element in full screen.
* @param {!Element} element The element to put full screen.
*/
goog.dom.fullscreen.requestFullScreen = function(element) {
if (element.webkitRequestFullScreen) {
element.webkitRequestFullScreen();
} else if (element.mozRequestFullScreen) {
element.mozRequestFullScreen();
}
};
/**
* Requests putting the element in full screen with full keyboard access.
* @param {!Element} element The element to put full screen.
*/
goog.dom.fullscreen.requestFullScreenWithKeys = function(
element) {
if (element.mozRequestFullScreenWithKeys) {
element.mozRequestFullScreenWithKeys();
} else if (element.webkitRequestFullScreen &&
element.ALLOW_KEYBOARD_INPUT &&
goog.userAgent.product.CHROME) {
// Safari has the ALLOW_KEYBOARD_INPUT property but using it gives an error.
element.webkitRequestFullScreen(element.ALLOW_KEYBOARD_INPUT);
} else {
goog.dom.fullscreen.requestFullScreen(element);
}
};
/**
* Exits full screen.
* @param {!goog.dom.DomHelper=} opt_domHelper The DomHelper for the DOM being
* queried. If not provided, use the current DOM.
*/
goog.dom.fullscreen.exitFullScreen = function(opt_domHelper) {
var doc = goog.dom.fullscreen.getDocument_(opt_domHelper);
if (doc.webkitCancelFullScreen) {
doc.webkitCancelFullScreen();
} else if (doc.mozCancelFullScreen) {
doc.mozCancelFullScreen();
}
};
/**
* Determines if the document is full screen.
* @param {!goog.dom.DomHelper=} opt_domHelper The DomHelper for the DOM being
* queried. If not provided, use the current DOM.
* @return {boolean} Whether the document is full screen.
*/
goog.dom.fullscreen.isFullScreen = function(opt_domHelper) {
var doc = goog.dom.fullscreen.getDocument_(opt_domHelper);
return !!doc.webkitIsFullScreen || !!doc.mozFullScreen;
};
/**
* Gets the document object of the dom.
* @param {!goog.dom.DomHelper=} opt_domHelper The DomHelper for the DOM being
* queried. If not provided, use the current DOM.
* @return {!Document} The dom document.
* @private
*/
goog.dom.fullscreen.getDocument_ = function(opt_domHelper) {
return opt_domHelper ?
opt_domHelper.getDocument() :
goog.dom.getDomHelper().getDocument();
};
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