Make JsEngine::Evaluate() return a wrapper for v8::Value to accessdifferent variable types easily

lib/api.js

 /*
  * This file is part of the Adblock Plus extension,
  * 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
@@ skipping 80 matching lines @@
       // TODO, this currently crashes due to errors reported on a thread
       //if (!subscription.lastDownload)
       //  Synchronizer.execute(subscription);
     },
 
     removeSubscriptionFromList: function(subscription)
     {
       FilterStorage.removeSubscription(subscription);
     },
 
+    updateSubscription: function(subscription)
+    {
+      Synchronizer.execute(subscription);
+    },
+
+    isSubscriptionUpdating: function(subscription)
+    {
+      return Synchronizer.isExecuting(subscription.url);
+    },
+
     getListedSubscriptions: function()
     {
       return FilterStorage.subscriptions.filter(function(s)
       {
         return !(s instanceof SpecialSubscription)
       });
     },
 
     checkFilterMatch: function(url, contentType, documentUrl)
     {
       // TODO: set thirdParty properly
       var thirdParty = false;
       return defaultMatcher.matchesAny(url, contentType, documentUrl, thirdParty);
     },
 
     getElementHidingSelectors: function(domain)
     {
       return ElemHide.getSelectorsForDomain(domain, false);
     }
   };
 })();