Moved Gesture::State and -::Type to gesture-enumerations.h.
[platform/core/uifw/dali-core.git] / dali / internal / event / events / rotation-gesture / rotation-gesture-detector-impl.cpp
1 /*
2  * Copyright (c) 2020 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/events/rotation-gesture.h>
26 #include <dali/public-api/object/type-registry.h>
27 #include <dali/internal/event/events/gesture-event-processor.h>
28 #include <dali/integration-api/debug.h>
29
30 namespace Dali
31 {
32
33 namespace Internal
34 {
35
36 namespace
37 {
38
39 // Signals
40
41 const char* const SIGNAL_ROTATION_DETECTED = "rotationDetected";
42
43 BaseHandle Create()
44 {
45   return Dali::RotationGestureDetector::New();
46 }
47
48 TypeRegistration mType( typeid( Dali::RotationGestureDetector ), typeid( Dali::GestureDetector ), Create );
49
50 SignalConnectorType signalConnector1( mType, SIGNAL_ROTATION_DETECTED, &RotationGestureDetector::DoConnectSignal );
51
52 }
53
54
55 RotationGestureDetectorPtr RotationGestureDetector::New()
56 {
57   return new RotationGestureDetector;
58 }
59
60 RotationGestureDetector::RotationGestureDetector()
61 : GestureDetector( GestureType::ROTATION )
62 {
63 }
64
65 void RotationGestureDetector::EmitRotationGestureSignal( Dali::Actor actor, const Dali::RotationGesture& rotation )
66 {
67   // Guard against destruction during signal emission
68   Dali::RotationGestureDetector handle( this );
69
70   mDetectedSignal.Emit( actor, rotation );
71 }
72
73 bool RotationGestureDetector::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
74 {
75   bool connected( true );
76   RotationGestureDetector* gesture = static_cast< RotationGestureDetector* >( object ); // TypeRegistry guarantees that this is the correct type.
77
78   if ( 0 == strcmp( signalName.c_str(), SIGNAL_ROTATION_DETECTED ) )
79   {
80     gesture->DetectedSignal().Connect( tracker, functor );
81   }
82   else
83   {
84     // signalName does not match any signal
85     connected = false;
86   }
87
88   return connected;
89 }
90
91 } // namespace Internal
92
93 } // namespace Dali