Issue 1107 - Support notifications

include/AdblockPlus/FilterEngine.h

Index: include/AdblockPlus/FilterEngine.h
diff --git a/include/AdblockPlus/FilterEngine.h b/include/AdblockPlus/FilterEngine.h
index b81433f5c9bf1b540cf837f6df1a1662bc623454..a6fa146265620ebd4faa813689ae907955092c8c 100644
--- a/include/AdblockPlus/FilterEngine.h
+++ b/include/AdblockPlus/FilterEngine.h
@@ -24,6 +24,7 @@
 #include <vector>
 #include <AdblockPlus/JsEngine.h>
 #include <AdblockPlus/JsValue.h>
+#include <AdblockPlus/Notification.h>
 
 #include "tr1_memory.h"
 
@@ -237,6 +238,14 @@ namespace AdblockPlus
     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.