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 Apache License, Version 2.0 (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://www.apache.org/licenses/LICENSE-2.0
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.
22 #include <dali/internal/common/message.h>
30 class PropertyNotification;
33 * Provides notifications to the event-thread regarding the changes in previous update(s).
34 * For example after an animation finished, or after resources were loaded.
36 class NotificationManager
41 * Create an NotificationManager.
43 NotificationManager();
48 virtual ~NotificationManager();
51 * Queue a scene message. This method is thread-safe.
52 * @param[in] message A newly allocated message; NotificationManager takes ownership.
54 void QueueMessage( MessageBase* message );
57 * Query whether the NotificationManager has messages to process.
58 * @return True if there are messages to process.
60 bool MessagesToProcess();
63 * This function is called by Core when events are processed.
65 void ProcessMessages();
68 * Retrieve the notification count; this is incremented when Notify() is called.
70 unsigned int GetNotificationCount() const;
79 * A functor for querying the notification count.
80 * This is useful for skipping duplicate operations during NotificationManager::Notify()
82 struct NotificationCountQuery
84 NotificationCountQuery(const NotificationManager& manager)
85 : mNotificationManager(manager)
89 unsigned int operator()() const
91 return mNotificationManager.GetNotificationCount();
96 const NotificationManager& mNotificationManager;
99 } // namespace Internal
103 #endif // __DALI_INTERNAL_NOTIFICATION_MANAGER_H__