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1 /* | |
2 * This file is part of Adblock Plus <http://adblockplus.org/>, | |
3 * Copyright (C) 2006-2013 Eyeo GmbH | |
4 * | |
5 * Adblock Plus is free software: you can redistribute it and/or modify | |
6 * it under the terms of the GNU General Public License version 3 as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * Adblock Plus is distributed in the hope that it will be useful, | |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 * GNU General Public License for more details. | |
13 * | |
14 * You should have received a copy of the GNU General Public License | |
15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. | |
16 */ | |
17 | |
18 (function() { | |
19 /* Events */ | |
Felix Dahlke
2013/10/24 16:30:34
As in other places, opening braces should go on th
| |
20 | |
21 WrappedEventTarget = function(target) { | |
22 this._listeners = []; | |
23 this._wrappedListeners = []; | |
24 this._target = target; | |
25 }; | |
26 WrappedEventTarget.prototype = { | |
27 _prepareExtraArguments: function() { | |
28 return []; | |
29 }, | |
30 addListener: function(listener) { | |
31 var extaArgs = Array.prototype.slice.call(arguments, 1); | |
Felix Dahlke
2013/10/24 16:30:34
s/extaArgs/extraArgs/?
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32 extaArgs = this._prepareExtraArguments.apply(this, extaArgs); | |
33 | |
34 var wrappedListener = this._wrapListener(listener); | |
35 this._listeners.push(listener); | |
36 this._wrappedListeners.push(wrappedListener); | |
37 | |
38 this._target.addListener.apply(this._target, [wrappedListener].concat(exta Args)); | |
39 }, | |
40 removeListener: function(listener) { | |
41 var idx = this._listeners.indexOf(listener); | |
42 | |
43 if (idx != -1) { | |
44 this._target.removeListener(this._wrappedListeners[idx]); | |
45 | |
46 this._listeners.splice(idx, 1); | |
47 this._wrappedListeners.splice(idx, 1); | |
48 } | |
49 } | |
50 }; | |
51 | |
52 var MessageEventTarget = function() { | |
53 WrappedEventTarget.call(this, chrome.runtime.onMessage); | |
54 }; | |
55 MessageEventTarget.prototype = { | |
56 __proto__: WrappedEventTarget.prototype, | |
57 _wrapListener: function(listener) { | |
58 return function(message, sender, sendResponse) { | |
59 listener(message, {tab: sender.tab && new Tab(sender.tab)}, sendResponse ); | |
60 }; | |
61 } | |
62 }; | |
63 | |
64 /* API */ | |
65 | |
66 ext = { | |
67 backgroundPage: { | |
68 sendMessage: function(message, responseCallback) { | |
69 chrome.runtime.sendMessage(message, responseCallback); | |
70 }, | |
71 getDOMWindow: function() { | |
72 return chrome.extension.getBackgroundPage(); | |
73 } | |
74 }, | |
75 getURL: chrome.extension.getURL, | |
76 onMessage: new MessageEventTarget(), | |
77 i18n: chrome.i18n | |
78 }; | |
79 })(); | |
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