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Issue 8788183: Detect and handle the case of our own typo correction extension being installed in parallel (Closed)
Patch Set: Created Nov. 20, 2012, 11:38 a.m.
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1 /*
2 * This file is part of the Adblock Plus,
3 * Copyright (C) 2006-2012 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 /**
19 * @fileOverview Adds typo correction feature
20 */
21
22 Cu.import("resource://gre/modules/AddonManager.jsm");
23
24 let {Prefs} = require("prefs");
25 let urlfixerID = "{0fa2149e-bb2c-4ac2-a8d3-479599819475}";
26 let addonListener = null;
27
28 function init()
29 {
30 if (!Prefs.correctTyposAsked || (Prefs.correctTyposAsked && Prefs.correctTypos ))
31 {
32 AddonManager.getAddonByID(urlfixerID, function(addon)
33 {
34 startTypoCorrection(addon && addon.isActive);
35 });
36 }
37 else
38 {
39 let onPrefChange = function(name)
40 {
41 if (name == "correctTypos" && Prefs[name])
42 {
43 init();
44 Prefs.removeListener(onPrefChange);
45 }
46 }
47
48 Prefs.addListener(onPrefChange);
49 }
50 }
51
52 function startTypoCorrection(isInstalledAndEnabled)
53 {
54 if (isInstalledAndEnabled)
55 require("typoFixer").detachWindowObserver();
56 else
57 require("typoFixer").attachWindowObserver();
58
59 if (!addonListener)
60 {
61 addonListener = {
62 onEnabling: function(addon, needsRestart)
63 {
64 if (addon.id == urlfixerID)
65 startTypoCorrection(true);
66 },
67 onDisabled: function(addon)
68 {
69 if (addon.id == urlfixerID)
70 startTypoCorrection(false);
71 },
72 onInstalling: function(addon, needsRestart)
73 {
74 if (addon.id == urlfixerID)
75 startTypoCorrection(true);
76 },
77 onUninstalled: function(addon)
78 {
79 if (addon.id == urlfixerID)
80 startTypoCorrection(false);
81 }
82 }
83
84 AddonManager.addAddonListener(addonListener);
85 onShutdown.add(function() AddonManager.removeAddonListener(addonListener));
86 }
87 }
88
89 init();
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