Dali 3D User Interface Engine
accessibility-gesture-detector.cpp
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1 /*
2  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17 
18 // CLASS HEADER
20 
21 // EXTERNAL INCLUDES
23 
24 namespace Dali
25 {
26 
27 namespace Internal
28 {
29 
30 namespace Adaptor
31 {
32 
34 : PanGestureDetectorBase(Vector2::ZERO, Integration::PanGestureRequest(), NULL),
35  mGestureHandler(NULL),
36  mPanning(false)
37 {
38 }
39 
41 {
42 }
43 
44 void AccessibilityGestureDetector::SetGestureHandler(AccessibilityGestureHandler& handler)
45 {
46  mGestureHandler = &handler;
47 }
48 
49 void AccessibilityGestureDetector::EmitPan(const Integration::PanGestureEvent gesture)
50 {
51  if( mGestureHandler )
52  {
53  if(gesture.state == Gesture::Started)
54  {
55  mPanning = true;
56  }
57 
58  if( mPanning )
59  {
60  mGestureHandler->HandlePanGesture(gesture);
61 
62  if( (gesture.state == Gesture::Finished) ||
63  (gesture.state == Gesture::Cancelled) )
64  {
65  mPanning = false;
66  }
67  }
68  }
69 }
70 
71 } // namespace Adaptor
72 
73 } // namespace Internal
74 
75 } // namespace Dali
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