Issue 2374 - Implemented Tweaks section in options page

background.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 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
@@ skipping 74 matching lines @@
         return "https://adblockplus.org/redirect?link=" + encodeURIComponent(link);
       },
       get appLocale()
       {
         return parent.ext.i18n.getMessage("@@ui_locale").replace(/_/g, "-");
       }
     }
   };
 
   modules.prefs = {
-    Prefs: new Notifier()
+    Prefs: {
+      onChanged: new Notifier()
+    }
   };
   var prefs = {
     notifications_ignoredcategories: (params.showNotificationUI) ? ["*"] : [],
     notifications_showui: params.showNotificationUI,
     safari_contentblocker: false,
     shouldShowBlockElementMenu: true,
+    show_devtools_panel: true,
     subscriptions_exceptionsurl: "https://easylist-downloads.adblockplus.org/exceptionrules.txt"
   };
   Object.keys(prefs).forEach(function(key)
   {
     Object.defineProperty(modules.prefs.Prefs, key, {
       get: function()
       {
         return prefs[key];
       },
       set: function(value)
       {
         prefs[key] = value;
-        modules.prefs.Prefs.triggerListeners(key);
+        modules.prefs.Prefs.onChanged.triggerListeners(key);
         return prefs[key];
       }
     });
   });
 
   modules.notification = {
     Notification: {
       toggleIgnoreCategory: function(category)
       {
         var categories = prefs.notifications_ignoredcategories;
@@ skipping 108 matching lines @@
       }
     }
   };
 
   modules.filterClasses = {
     BlockingFilter: function() {},
     Filter: function(text)
     {
       this.text = text;
       this.disabled = false;
-    }
+    },
+    RegExpFilter: function() {}
   };
   modules.filterClasses.Filter.fromText = function(text)
   {
     return new modules.filterClasses.Filter(text);
   };
+  modules.filterClasses.RegExpFilter.typeMap = Object.create(null);
 
   modules.filterValidation = 
   {
     parseFilter: function(text)
     {
       if (params.filterError)
         return {error: "Invalid filter"};
       return {filter: modules.filterClasses.Filter.fromText(text)};
     },
     parseFilters: function(text)
@@ skipping 205 matching lines @@
 
   if (params.safariContentBlocker)
   {
     global.safari = {
       extension: {
         setContentBlocker: function() {}
       }
     };
   }
 })(this);