Issue 1107 - Support notifications

include/AdblockPlus/FilterEngine.h

 /*
  * 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef ADBLOCK_PLUS_FILTER_ENGINE_H
 #define ADBLOCK_PLUS_FILTER_ENGINE_H
 
 #include <functional>
 #include <map>
 #include <string>
 #include <vector>
 #include <AdblockPlus/JsEngine.h>
 #include <AdblockPlus/JsValue.h>
+#include <AdblockPlus/Notification.h>
 
 #include "tr1_memory.h"
 
 namespace AdblockPlus
 {
   class FilterEngine;
 
   /**
    * Wrapper for an Adblock Plus filter object.
    * There are no accessors for most
@@ skipping 193 matching lines @@
      */
     std::vector<SubscriptionPtr> GetListedSubscriptions() const;
 
     /**
      * Retrieves all recommended subscriptions.
      * @return List of recommended subscriptions.
      */
     std::vector<SubscriptionPtr> FetchAvailableSubscriptions() const;
 
     /**
+     * Determines which notification is to be shown next.
+     * @param url URL to match notifications to (optional).
+     * @return Notification to be shown, or `null` if there is no any.
+     */
+    NotificationPtr GetNextNotificationToShow(
+      const std::string& url = std::string());
+
+    /**
      * Checks if any active filter matches the supplied URL.
      * @param url URL to match.
      * @param contentType Content type of the requested resource.
      * @param documentUrl URL of the document requesting the resource.
      *        Note that there will be more than one document if frames are
      *        involved, see
      *        Matches(const std::string&, const std::string&, const std::vector<std::string>&) const.
      * @return Matching filter, or `null` if there was no match.
      * @throw `std::invalid_argument`, if an invalid `contentType` was supplied.
      */
@@ skipping 124 matching lines @@
                                ContentType contentType,
                                const std::string& documentUrl) const;
     void UpdateAvailable(UpdateAvailableCallback callback, JsValueList& params);
     void UpdateCheckDone(const std::string& eventName,
                          UpdateCheckDoneCallback callback, JsValueList& params);
     void FilterChanged(FilterChangeCallback callback, JsValueList& params);
   };
 }
 
 #endif