Issue 417 - Reinitializing removed filter lists (Platform)

background.js

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2014 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 36 matching lines @@
 RegExpFilter.typeMap.OBJECT_SUBREQUEST = RegExpFilter.typeMap.OBJECT;
 RegExpFilter.typeMap.MEDIA = RegExpFilter.typeMap.FONT = RegExpFilter.typeMap.OTHER;
 
 // Chrome on Linux does not fully support chrome.notifications until version 35
 // https://code.google.com/p/chromium/issues/detail?id=291485
 var canUseChromeNotifications = require("info").platform == "chromium"
   && "notifications" in chrome
   && (navigator.platform.indexOf("Linux") == -1 || parseInt(require("info").applicationVersion) > 34);
 
 var seenDataCorruption = false;
+var filterlistsReinitialized = false;
 require("filterNotifier").FilterNotifier.addListener(function(action)
 {
   if (action == "load")
   {
     var importingOldData = importOldData();
 
     var addonVersion = require("info").addonVersion;
     var prevVersion = ext.storage.currentVersion;
+
+    // There are no filters stored so we need to reinitialize all filterlists
+    if (!FilterStorage.firstRun && FilterStorage.subscriptions.length === 0)
+    {
+      filterlistsReinitialized = true;
+      prevVersion = null;
+    }
+
     if (prevVersion != addonVersion || FilterStorage.firstRun)
     {
       seenDataCorruption = prevVersion && FilterStorage.firstRun;
       ext.storage.currentVersion = addonVersion;
       if (!importingOldData)
         addSubscription(prevVersion);
     }
 
     if (canUseChromeNotifications)
       initChromeNotifications();
@@ skipping 523 matching lines @@
   page.sendMessage({type: "clickhide-deactivate"});
   refreshIconAndContextMenu(page);
 });
 
 setTimeout(function()
 {
   var notificationToShow = Notification.getNextToShow();
   if (notificationToShow)
     showNotification(notificationToShow);
 }, 3 * 60 * 1000);