1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
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;
|
