Issue 1107 - Support notifications

src/FilterEngine.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 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 239 matching lines @@
 std::vector<SubscriptionPtr> FilterEngine::FetchAvailableSubscriptions() const
 {
   JsValuePtr func = jsEngine->Evaluate("API.getRecommendedSubscriptions");
   JsValueList values = func->Call()->AsList();
   std::vector<SubscriptionPtr> result;
   for (JsValueList::iterator it = values.begin(); it != values.end(); it++)
     result.push_back(SubscriptionPtr(new Subscription(*it)));
   return result;
 }
 
-std::tr1::shared_ptr<Notification> FilterEngine::GetNextNotificationToShow(const std::string& url /*= std::string()*/)
+NotificationPtr FilterEngine::GetNextNotificationToShow(const std::string& url)
 {
   JsValuePtr func = jsEngine->Evaluate("API.getNextNotificationToShow");
-  if (!func)
-  {
-    return std::tr1::shared_ptr<Notification>();
-  }
   JsValueList params;
   if (!url.empty())
   {
     params.push_back(jsEngine->NewValue(url));
   }
   return Notification::JsValueToNotification(func->Call(params));
 }
 
 AdblockPlus::FilterPtr FilterEngine::Matches(const std::string& url,
     ContentType contentType,
@@ skipping 142 matching lines @@
 }
 
 int FilterEngine::CompareVersions(const std::string& v1, const std::string& v2)
 {
   JsValueList params;
   params.push_back(jsEngine->NewValue(v1));
   params.push_back(jsEngine->NewValue(v2));
   JsValuePtr func = jsEngine->Evaluate("API.compareVersions");
   return func->Call(params)->AsInt();
 }