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Diffstat (limited to 'tools/addon-sdk-1.4/packages/addon-kit/lib/private-browsing.js')
-rw-r--r-- | tools/addon-sdk-1.4/packages/addon-kit/lib/private-browsing.js | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.4/packages/addon-kit/lib/private-browsing.js b/tools/addon-sdk-1.4/packages/addon-kit/lib/private-browsing.js new file mode 100644 index 0000000..8336e7b --- /dev/null +++ b/tools/addon-sdk-1.4/packages/addon-kit/lib/private-browsing.js @@ -0,0 +1,102 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (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.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Jetpack. + * + * The Initial Developer of the Original Code is + * Mozilla Foundation. + * Portions created by the Initial Developer are Copyright (C) 2010 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * Paul O’Shannessy <paul@oshannessy.com> + * Irakli Gozalishvili <gozala@mozilla.com> + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +"use strict"; + +const {Cc,Ci} = require("chrome"); +const observers = require("api-utils/observer-service"); +const { EventEmitter } = require("api-utils/events"); +const { setTimeout } = require("api-utils/timer"); +const unload = require("api-utils/unload"); + +const ON_START = "start"; +const ON_STOP = "stop"; +const ON_TRANSITION = "private-browsing-transition-complete"; + +let pbService; +// Currently, only Firefox implements the private browsing service. +if (require("api-utils/xul-app").is("Firefox")) { + pbService = Cc["@mozilla.org/privatebrowsing;1"]. + getService(Ci.nsIPrivateBrowsingService); +} + +function toggleMode(value) pbService.privateBrowsingEnabled = !!value + +const privateBrowsing = EventEmitter.compose({ + constructor: function PrivateBrowsing() { + // Binding method to instance since it will be used with `setTimeout`. + this._emitOnObject = this._emitOnObject.bind(this); + this.unload = this.unload.bind(this); + // Report unhandled errors from listeners + this.on("error", console.exception.bind(console)); + unload.ensure(this); + // We only need to add observers if `pbService` exists. + if (pbService) { + observers.add(ON_TRANSITION, this.onTransition.bind(this)); + this._isActive = pbService.privateBrowsingEnabled; + } + }, + unload: function _destructor() { + this._removeAllListeners(ON_START); + this._removeAllListeners(ON_STOP); + }, + // We don't need to do anything with cancel here. + onTransition: function onTransition() { + let isActive = this._isActive = pbService.privateBrowsingEnabled; + setTimeout(this._emitOnObject, 0, exports, isActive ? ON_START : ON_STOP); + }, + get isActive() this._isActive, + set isActive(value) { + if (pbService) + // We toggle private browsing mode asynchronously in order to work around + // bug 659629. Since private browsing transitions are asynchronous + // anyway, this doesn't significantly change the behavior of the API. + setTimeout(toggleMode, 0, value); + }, + _isActive: false +})() + +Object.defineProperty(exports, "isActive", { + get: function() privateBrowsing.isActive +}); +exports.activate = function activate() privateBrowsing.isActive = true; +exports.deactivate = function deactivate() privateBrowsing.isActive = false; +exports.on = privateBrowsing.on; +exports.once = privateBrowsing.once; +exports.removeListener = privateBrowsing.removeListener; + |