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Issue 16067002: Added Safari Support (Closed)
Patch Set: Rebased on upstream and addressed comments Created Oct. 25, 2013, 4:13 p.m.
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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 {
20 /* Events */
21
22 WrappedEventTarget = function(target)
23 {
24 this._listeners = [];
25 this._wrappedListeners = [];
26 this._target = target;
27 };
28 WrappedEventTarget.prototype = {
29 _prepareExtraArguments: function()
30 {
31 return [];
32 },
33 addListener: function(listener)
34 {
35 var extraArgs = Array.prototype.slice.call(arguments, 1);
36 extraArgs = this._prepareExtraArguments.apply(this, extraArgs);
37
38 var wrappedListener = this._wrapListener(listener);
39 this._listeners.push(listener);
40 this._wrappedListeners.push(wrappedListener);
41
42 this._target.addListener.apply(this._target, [wrappedListener].concat(extr aArgs));
43 },
44 removeListener: function(listener)
45 {
46 var idx = this._listeners.indexOf(listener);
47
48 if (idx != -1) {
49 this._target.removeListener(this._wrappedListeners[idx]);
50
51 this._listeners.splice(idx, 1);
52 this._wrappedListeners.splice(idx, 1);
53 }
54 }
55 };
56
57 var MessageEventTarget = function()
58 {
59 WrappedEventTarget.call(this, chrome.runtime.onMessage);
60 };
61 MessageEventTarget.prototype = {
62 __proto__: WrappedEventTarget.prototype,
63 _wrapListener: function(listener) {
64 return function(message, sender, sendResponse)
65 {
66 listener(message, {tab: sender.tab && new Tab(sender.tab)}, sendResponse );
67 };
68 }
69 };
70
71 /* API */
72
73 ext = {
74 backgroundPage: {
75 sendMessage: function(message, responseCallback)
76 {
77 chrome.runtime.sendMessage(message, responseCallback);
78 },
79 getDOMWindow: function()
80 {
81 return chrome.extension.getBackgroundPage();
82 }
83 },
84 getURL: chrome.extension.getURL,
85 onMessage: new MessageEventTarget(),
86 i18n: chrome.i18n
87 };
88 })();
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