dali/internal/event/events/pinch-gesture-detector-impl.cpp

   1 //
   2 // Copyright (c) 2014 Samsung Electronics Co., Ltd.
   3 //
   4 // Licensed under the Flora License, Version 1.0 (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://floralicense.org/license/
   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 // CLASS HEADER
  18 #include <dali/internal/event/events/pinch-gesture-detector-impl.h>
  19
  20 // INTERNAL INCLUDES
  21 #include <dali/public-api/events/pinch-gesture.h>
  22 #include <dali/public-api/object/type-registry.h>
  23 #include <dali/internal/event/events/gesture-event-processor.h>
  24 #include <dali/integration-api/debug.h>
  25
  26 namespace Dali
  27 {
  28
  29 namespace Internal
  30 {
  31
  32 namespace
  33 {
  34 BaseHandle Create()
  35 {
  36   return Dali::PinchGestureDetector::New();
  37 }
  38
  39 TypeRegistration mType( typeid(Dali::PinchGestureDetector), typeid(Dali::GestureDetector), Create );
  40
  41 SignalConnectorType signalConnector1( mType, Dali::PinchGestureDetector::SIGNAL_PINCH_DETECTED, &PinchGestureDetector::DoConnectSignal );
  42
  43 }
  44
  45
  46 PinchGestureDetectorPtr PinchGestureDetector::New()
  47 {
  48   return new PinchGestureDetector;
  49 }
  50
  51 PinchGestureDetector::PinchGestureDetector()
  52 : GestureDetector(Gesture::Pinch)
  53 {
  54 }
  55
  56 PinchGestureDetector::~PinchGestureDetector()
  57 {
  58 }
  59
  60 void PinchGestureDetector::EmitPinchGestureSignal(Dali::Actor actor, const PinchGesture& pinch)
  61 {
  62   // Guard against destruction during signal emission
  63   Dali::PinchGestureDetector handle( this );
  64
  65   mDetectedSignalV2.Emit( actor, pinch );
  66 }
  67
  68 bool PinchGestureDetector::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
  69 {
  70   bool connected( true );
  71   PinchGestureDetector* gesture = dynamic_cast<PinchGestureDetector*>(object);
  72
  73   if ( Dali::PinchGestureDetector::SIGNAL_PINCH_DETECTED == signalName )
  74   {
  75     gesture->DetectedSignal().Connect( tracker, functor );
  76   }
  77   else
  78   {
  79     // signalName does not match any signal
  80     connected = false;
  81   }
  82
  83   return connected;
  84 }
  85
  86 void PinchGestureDetector::OnActorAttach(Actor& actor)
  87 {
  88   // Do nothing
  89 }
  90
  91 void PinchGestureDetector::OnActorDetach(Actor& actor)
  92 {
  93   // Do nothing
  94 }
  95
  96 void PinchGestureDetector::OnActorDestroyed(Object& object)
  97 {
  98   // Do nothing
  99 }
 100
 101 } // namespace Internal
 102
 103 } // namespace Dali