Dali 3D User Interface Engine
actor-observer.h
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1 #ifndef __DALI_INTERNAL_ACTOR_OBSERVER_H__
2 #define __DALI_INTERNAL_ACTOR_OBSERVER_H__
3 
4 /*
5  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
6  *
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
10  *
11  * http://www.apache.org/licenses/LICENSE-2.0
12  *
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.
18  *
19  */
20 
21 // INTERNAL INCLUDES
24 
25 namespace Dali
26 {
27 
28 namespace Internal
29 {
30 
31 class Actor;
32 
37 {
38 public:
39 
40  // Construction & Destruction
41 
45  ActorObserver();
46 
60  ActorObserver( CallbackBase* callback );
61 
66 
67  // Methods
68 
73  Actor* GetActor();
74 
80  void SetActor( Actor* actor );
81 
85  void ResetActor();
86 
87 private:
88 
89  // Undefined
90  ActorObserver( const ActorObserver& );
92 
93 private:
94 
100  virtual void SceneObjectAdded(Object& object) { }
101 
108  virtual void SceneObjectRemoved(Object& object);
109 
115  virtual void ObjectDestroyed(Object& object);
116 
117 private:
121 };
122 
123 } // namespace Internal
124 
125 } // namespace Dali
126 
127 #endif // __DALI_INTERNAL_ACTOR_OBSERVER_H__
128 
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