Crawler frontend

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/.
  */
 
 Cu.import("resource://gre/modules/Services.jsm");
 
-let {Prefs} = require("prefs");

[Wladimir Palant, 2012/09/21 15:36:18]

You aren't using prefs so you should remove that line (loading that module will
initialize it and make it attempt to load defaults/prefs.js).

 let {WindowObserver} = require("windowObserver");
 
 let knownWindowTypes =
 {
   "navigator:browser": true,
-  "mail:3pane": true,
-  "mail:messageWindow": true,

[Wladimir Palant, 2012/09/21 15:36:18]

I think that you only know navigator:browser - meaning Firefox. The other two
types are only used in Thunderbird.

   __proto__: null
 };
 
 new WindowObserver({
   applyToWindow: function(window)
   {
     let type = window.document.documentElement.getAttribute("windowtype");
     if (!(type in knownWindowTypes))
       return;
 
@@ skipping 59 matching lines @@
 {
   if (!("@adblockplus.org/abp/public;1" in Cc))
     return;
 
   let crawlerWnd = Services.wm.getMostRecentWindow("abpcrawler:crawl");
   if (crawlerWnd)
     crawlerWnd.focus();
   else
     event.target.ownerDocument.defaultView.openDialog("chrome://abpcrawler/content/crawler.xul", "_blank", "chrome,centerscreen,resizable,dialog=no");
 }