Integrated URL Fixer into Adblock Plus

lib/main.js

 /*
  * This Source Code is subject to the terms of the Mozilla Public License
  * version 2.0 (the "License"). You can obtain a copy of the License at
  * http://mozilla.org/MPL/2.0/.
  */
 
 /**
  * @fileOverview Starts up Adblock Plus
  */
 
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/Services.jsm");
 
 let {TimeLine} = require("timeline");
 
 TimeLine.enter("Adblock Plus startup");
+let {Prefs} = require("prefs");
+TimeLine.log("Done loading preferences");
 registerPublicAPI();
 TimeLine.log("Done registering public API");
 require("filterListener");
 TimeLine.log("Done loading filter listener");
 require("contentPolicy");
 TimeLine.log("Done loading content policy");
 require("synchronizer");
 TimeLine.log("Done loading subscription synchronizer");
 require("sync");
 TimeLine.log("Done loading sync support");
 require("ui");
 TimeLine.log("Done loading UI integration code");
-require("typoFixer");

[Wladimir Palant, 2012/11/09 08:26:15]

Please check preferences here - for the (Prefs.correctTyposAsked &&
!Prefs.correctTypos) case we shouldn't load these modules at all. No memory
impact and no useless rules downloads.

-TimeLine.log("Done loading typo correction");
+if (!Prefs.correctTyposAsked || (Prefs.correctTyposAsked && Prefs.correctTypos))
+{
+  require("typoFixer");
+  TimeLine.log("Done loading typo correction");
+}
+else
+{
+  let onPrefChange = function(name)
+  {
+    if (name == "correctTypos")
+    {
+      require("typoFixer");
+      Prefs.removeListener(onPrefChange);
+    }
+  }
+  
+  Prefs.addListener(onPrefChange);
+}
 TimeLine.leave("Started up");
 
 function registerPublicAPI()
 {
   let {addonRoot} = require("info");
 
   let uri = Services.io.newURI(addonRoot + "lib/Public.jsm", null, null);
   if (uri instanceof Ci.nsIMutable)
     uri.mutable = false;
 
@@ skipping 12 matching lines @@
 
   let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
   registrar.registerFactory(classID, "Adblock Plus public API URL", contractID, factory);
 
   onShutdown.add(function()
   {
     registrar.unregisterFactory(classID, factory);
     Cu.unload(uri.spec);
   });
 }