| Index: include/AdblockPlus/FilterEngine.h | 
| diff --git a/include/AdblockPlus/FilterEngine.h b/include/AdblockPlus/FilterEngine.h | 
| index a6fa146265620ebd4faa813689ae907955092c8c..51a822d97eedfd47a2601b18435486c651e9ef8d 100644 | 
| --- a/include/AdblockPlus/FilterEngine.h | 
| +++ b/include/AdblockPlus/FilterEngine.h | 
| @@ -186,6 +186,12 @@ namespace AdblockPlus | 
| typedef std::tr1::function<void(const std::string&, const JsValuePtr)> FilterChangeCallback; | 
|  | 
| /** | 
| +     * Callback type invoked when a new notification should be shown. | 
| +     * The parameter is the Notification object to be shown. | 
| +     */ | 
| +    typedef std::tr1::function<void(const NotificationPtr&)> ShowNotificationCallback; | 
| + | 
| +    /** | 
| * Constructor. | 
| * @param jsEngine `JsEngine` instance used to run JavaScript code | 
| *        internally. | 
| @@ -238,12 +244,22 @@ namespace AdblockPlus | 
| std::vector<SubscriptionPtr> FetchAvailableSubscriptions() const; | 
|  | 
| /** | 
| -     * Determines which notification is to be shown next. | 
| +     * Invokes the listener set via SetNotificationAvailableCallback() with the | 
| +     * next notification to be shown. | 
| * @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()); | 
| +    void ShowNextNotification(const std::string& url = std::string()); | 
| + | 
| +    /** | 
| +     * Sets the callback invoked when a notification should be shown. | 
| +     * @param callback Callback to invoke. | 
| +     */ | 
| +    void SetShowNotificationCallback(const ShowNotificationCallback& value); | 
| + | 
| +    /** | 
| +     * Removes the callback invoked when a notification should be shown. | 
| +     */ | 
| +    void RemoveShowNotificationCallback(); | 
|  | 
| /** | 
| * Checks if any active filter matches the supplied URL. | 
| @@ -386,6 +402,8 @@ namespace AdblockPlus | 
| void UpdateCheckDone(const std::string& eventName, | 
| UpdateCheckDoneCallback callback, JsValueList& params); | 
| void FilterChanged(FilterChangeCallback callback, JsValueList& params); | 
| +    void ShowNotification(const ShowNotificationCallback& callback, | 
| +      const JsValueList& params); | 
| }; | 
| } | 
|  | 
|  |