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remove unused browser_focus.js

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nightwing 2012-12-06 14:12:31 +04:00
commit c9b8159382
1 changed files with 0 additions and 95 deletions
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lib/ace/lib/browser_focus.js
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/* ***** BEGIN LICENSE BLOCK *****
* Distributed under the BSD license:
*
* Copyright (c) 2010, Ajax.org B.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Ajax.org B.V. nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ***** END LICENSE BLOCK ***** */
define(function(require, exports, module) {
"use strict";
var oop = require("./oop");
var event = require("./event");
var EventEmitter = require("./event_emitter").EventEmitter;
/*
* This class keeps track of the focus state of the given window.
* Focus changes for example when the user switches a browser tab,
* goes to the location bar or switches to another application.
*/
var BrowserFocus = function(win) {
win = win || window;
this.lastFocus = new Date().getTime();
this._isFocused = true;
var _self = this;
// IE < 9 supports focusin and focusout events
if ("onfocusin" in win.document) {
event.addListener(win.document, "focusin", function(e) {
_self._setFocused(true);
});
event.addListener(win.document, "focusout", function(e) {
_self._setFocused(!!e.toElement);
});
}
else {
event.addListener(win, "blur", function(e) {
_self._setFocused(false);
});
event.addListener(win, "focus", function(e) {
_self._setFocused(true);
});
}
};
(function(){
oop.implement(this, EventEmitter);
this.isFocused = function() {
return this._isFocused;
};
this._setFocused = function(isFocused) {
if (this._isFocused == isFocused)
return;
if (isFocused)
this.lastFocus = new Date().getTime();
this._isFocused = isFocused;
this._emit("changeFocus");
};
}).call(BrowserFocus.prototype);
exports.BrowserFocus = BrowserFocus;
});