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Unified Diff: lib/typoBootstrap.js

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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Index: lib/typoBootstrap.js
===================================================================
new file mode 100644
--- /dev/null
+++ b/lib/typoBootstrap.js
@@ -0,0 +1,89 @@
+/*
+ * This file is part of the Adblock Plus,
+ * Copyright (C) 2006-2012 Eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * @fileOverview Adds typo correction feature
+ */
+
+Cu.import("resource://gre/modules/AddonManager.jsm");
+
+let {Prefs} = require("prefs");
+let urlfixerID = "{0fa2149e-bb2c-4ac2-a8d3-479599819475}";
+let addonListener = null;
+
+function init()
+{
+ if (!Prefs.correctTyposAsked || (Prefs.correctTyposAsked && Prefs.correctTypos))
+ {
+ AddonManager.getAddonByID(urlfixerID, function(addon)
+ {
+ startTypoCorrection(addon && addon.isActive);
+ });
+ }
+ else
+ {
+ let onPrefChange = function(name)
+ {
+ if (name == "correctTypos" && Prefs[name])
+ {
+ init();
+ Prefs.removeListener(onPrefChange);
+ }
+ }
+
+ Prefs.addListener(onPrefChange);
+ }
+}
+
+function startTypoCorrection(isInstalledAndEnabled)
+{
+ if (isInstalledAndEnabled)
+ require("typoFixer").detachWindowObserver();
+ else
+ require("typoFixer").attachWindowObserver();
+
+ if (!addonListener)
+ {
+ addonListener = {
+ onEnabling: function(addon, needsRestart)
+ {
+ if (addon.id == urlfixerID)
+ startTypoCorrection(true);
+ },
+ onDisabled: function(addon)
+ {
+ if (addon.id == urlfixerID)
+ startTypoCorrection(false);
+ },
+ onInstalling: function(addon, needsRestart)
+ {
+ if (addon.id == urlfixerID)
+ startTypoCorrection(true);
+ },
+ onUninstalled: function(addon)
+ {
+ if (addon.id == urlfixerID)
+ startTypoCorrection(false);
+ }
+ }
+
+ AddonManager.addAddonListener(addonListener);
+ onShutdown.add(function() AddonManager.removeAddonListener(addonListener));
+ }
+}
+
+init();
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