Merge branch 'devel/master' into tizen
[platform/core/uifw/dali-core.git] / dali / internal / event / events / rotation-gesture / rotation-gesture-detector-impl.cpp
1 /*
2  * Copyright (c) 2019 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
19 #include <dali/internal/event/events/rotation-gesture/rotation-gesture-detector-impl.h>
20
21 // EXTERNAL INCLUDES
22 #include <cstring> // for strcmp
23
24 // INTERNAL INCLUDES
25 #include <dali/public-api/object/type-registry.h>
26 #include <dali/devel-api/events/gesture-devel.h>
27 #include <dali/internal/event/events/gesture-event-processor.h>
28 #include <dali/integration-api/debug.h>
29 #include <dali/devel-api/events/rotation-gesture.h>
30
31 namespace Dali
32 {
33
34 namespace Internal
35 {
36
37 namespace
38 {
39
40 // Signals
41
42 const char* const SIGNAL_ROTATION_DETECTED = "rotationDetected";
43
44 BaseHandle Create()
45 {
46   return Dali::RotationGestureDetector::New();
47 }
48
49 TypeRegistration mType( typeid( Dali::RotationGestureDetector ), typeid( Dali::GestureDetector ), Create );
50
51 SignalConnectorType signalConnector1( mType, SIGNAL_ROTATION_DETECTED, &RotationGestureDetector::DoConnectSignal );
52
53 }
54
55
56 RotationGestureDetectorPtr RotationGestureDetector::New()
57 {
58   return new RotationGestureDetector;
59 }
60
61 RotationGestureDetector::RotationGestureDetector()
62 : GestureDetector( DevelGesture::Rotation )
63 {
64 }
65
66 void RotationGestureDetector::EmitRotationGestureSignal( Dali::Actor actor, const RotationGesture& rotation )
67 {
68   // Guard against destruction during signal emission
69   Dali::RotationGestureDetector handle( this );
70
71   mDetectedSignal.Emit( actor, rotation );
72 }
73
74 bool RotationGestureDetector::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
75 {
76   bool connected( true );
77   RotationGestureDetector* gesture = static_cast< RotationGestureDetector* >( object ); // TypeRegistry guarantees that this is the correct type.
78
79   if ( 0 == strcmp( signalName.c_str(), SIGNAL_ROTATION_DETECTED ) )
80   {
81     gesture->DetectedSignal().Connect( tracker, functor );
82   }
83   else
84   {
85     // signalName does not match any signal
86     connected = false;
87   }
88
89   return connected;
90 }
91
92 } // namespace Internal
93
94 } // namespace Dali