1 #ifndef __DALI_INTERNAL_NOTIFICATION_MANAGER_H__
2 #define __DALI_INTERNAL_NOTIFICATION_MANAGER_H__
5 // Copyright (c) 2014 Samsung Electronics Co., Ltd.
7 // Licensed under the Flora License, Version 1.0 (the License);
8 // you may not use this file except in compliance with the License.
9 // You may obtain a copy of the License at
11 // http://floralicense.org/license/
13 // Unless required by applicable law or agreed to in writing, software
14 // distributed under the License is distributed on an AS IS BASIS,
15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 // See the License for the specific language governing permissions and
17 // limitations under the License.
21 #include <dali/internal/common/message.h>
29 class PropertyNotification;
32 * Provides notifications to the event-thread regarding the changes in previous update(s).
33 * For example after an animation finished, or after resources were loaded.
35 class NotificationManager
40 * Create an NotificationManager.
42 NotificationManager();
47 virtual ~NotificationManager();
50 * Queue a scene message. This method is thread-safe.
51 * @param[in] message A newly allocated message; NotificationManager takes ownership.
53 void QueueMessage( MessageBase* message );
56 * Query whether the NotificationManager has messages to process.
57 * @return True if there are messages to process.
59 bool MessagesToProcess();
62 * This function is called by Core when events are processed.
64 void ProcessMessages();
67 * Retrieve the notification count; this is incremented when Notify() is called.
69 unsigned int GetNotificationCount() const;
78 * A functor for querying the notification count.
79 * This is useful for skipping duplicate operations during NotificationManager::Notify()
81 struct NotificationCountQuery
83 NotificationCountQuery(const NotificationManager& manager)
84 : mNotificationManager(manager)
88 unsigned int operator()() const
90 return mNotificationManager.GetNotificationCount();
95 const NotificationManager& mNotificationManager;
98 } // namespace Internal
102 #endif // __DALI_INTERNAL_NOTIFICATION_MANAGER_H__