Merge "Gesture event refactor" into devel/master
[platform/core/uifw/dali-core.git] / dali / internal / event / events / touch-event-processor.cpp
index 758d5ab..b9047bd 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
 #endif
 
 // INTERNAL INCLUDES
-#include <dali/public-api/actors/renderable-actor.h>
+#include <dali/public-api/events/touch-data.h>
 #include <dali/public-api/math/vector2.h>
+#include <dali/public-api/signals/callback.h>
 #include <dali/integration-api/debug.h>
 #include <dali/integration-api/events/touch-event-integ.h>
 #include <dali/internal/event/actors/actor-impl.h>
 #include <dali/internal/event/actors/layer-impl.h>
-#include <dali/internal/event/common/stage-impl.h>
+#include <dali/internal/event/common/scene-impl.h>
 #include <dali/internal/event/events/hit-test-algorithm-impl.h>
+#include <dali/internal/event/events/multi-point-event-util.h>
+#include <dali/internal/event/events/touch-data-impl.h>
 #include <dali/internal/event/render-tasks/render-task-impl.h>
 
 namespace Dali
@@ -42,101 +45,26 @@ namespace Internal
 namespace
 {
 
-bool IsActuallySensitive( Actor* actor );
-
 #if defined(DEBUG_ENABLED)
 Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_TOUCH_PROCESSOR" );
 
-const char * TOUCH_POINT_STATE[TouchPoint::Last] =
+const char * TOUCH_POINT_STATE[ 6 ] =
 {
-  "Down",
-  "Up",
-  "Motion",
-  "Leave",
-  "Stationary",
-  "Interrupted",
+  "DOWN",
+  "UP",
+  "MOTION",
+  "LEAVE",
+  "STATIONARY",
+  "INTERRUPTED",
 };
 
-static const Debug::LogLevel HIERARCHY_DEBUG_LOG_LEVEL( Debug::Verbose );
-
-static bool HIERARCHY_GEOMETRY( false );
-static bool HIERARCHY_SENSITIVITY( false );
-static bool HIERARCHY_TOUCH_REQUIRED( false );
-static bool HIERARCHY_HITTABLE( false );
-
-/**
- * Prints out all the children of the given actor when debug is enabled.
- *
- * @param[in]  actor  The actor whose children to print.
- * @param[in]  level  The number of " | " to put in front of the children.
- */
-void PrintChildren( Dali::Actor actor, int level )
-{
-  std::ostringstream output;
-
-  for ( int t = 0; t < level; ++t )
-  {
-    output << " | ";
-  }
-
-  output << actor.GetName() << "(" << actor.GetTypeName() << ", " << actor.GetObjectPtr() << ")";
-
-  if ( HIERARCHY_GEOMETRY )
-  {
-    output << " Pos: " << actor.GetCurrentWorldPosition() << " Size: " << actor.GetCurrentSize() << " Scale: " << actor.GetCurrentWorldScale();
-  }
-
-  if ( HIERARCHY_SENSITIVITY )
-  {
-    output << " Sensitivity: " << ( IsActuallySensitive( &GetImplementation( actor ) ) ? "True " : "False " );
-  }
-
-  if ( HIERARCHY_TOUCH_REQUIRED )
-  {
-    output << " TouchRequired: " << ( GetImplementation(actor).GetTouchRequired() ? "True " : "False " );
-  }
-
-  if ( HIERARCHY_HITTABLE )
-  {
-    output << " Hittable: " << ( GetImplementation(actor).IsHittable() ? "True " : "False " );
-  }
-
-  output << std::endl;
-
-  DALI_LOG_INFO( gLogFilter, HIERARCHY_DEBUG_LOG_LEVEL, output.str().c_str() );
-
-  ++level;
-  unsigned int numChildren=actor.GetChildCount();
-  for ( unsigned int i=0; i<numChildren; ++i )
-  {
-    PrintChildren( actor.GetChildAt(i), level );
-  }
-  --level;
-}
-
-/**
- * Prints the entire hierarchy of the scene.
- */
-void PrintHierarchy()
-{
-  if ( gLogFilter->IsEnabledFor( HIERARCHY_DEBUG_LOG_LEVEL ) )
-  {
-    PrintChildren( Dali::Stage().GetCurrent().GetRootLayer(), 0 );
-  }
-}
-
-#define PRINT_HIERARCHY PrintHierarchy()
-
-#else // defined(DEBUG_ENABLED)
-
-#define PRINT_HIERARCHY
-
 #endif // defined(DEBUG_ENABLED)
 
+
 /**
  *  Recursively deliver events to the actor and its parents, until the event is consumed or the stage is reached.
  */
-Dali::Actor EmitTouchSignals( Dali::Actor actor, const TouchEvent& event )
+Dali::Actor EmitTouchSignals( Dali::Actor actor, const TouchEvent& event, const Dali::TouchData& touchData )
 {
   Dali::Actor consumedActor;
 
@@ -151,7 +79,7 @@ Dali::Actor EmitTouchSignals( Dali::Actor actor, const TouchEvent& event )
     // Only emit the signal if the actor's touch signal has connections (or derived actor implementation requires touch).
     if ( actorImpl.GetTouchRequired() )
     {
-      consumed = actorImpl.EmitTouchEventSignal( event );
+      consumed = actorImpl.EmitTouchEventSignal( event, touchData );
     }
 
     if ( consumed )
@@ -168,7 +96,7 @@ Dali::Actor EmitTouchSignals( Dali::Actor actor, const TouchEvent& event )
            (parent == oldParent) )
       {
         // One of the actor's parents may consumed the event and they should be set as the consumed actor.
-        consumedActor = EmitTouchSignals( parent, event );
+        consumedActor = EmitTouchSignals( parent, event, touchData );
       }
     }
   }
@@ -176,50 +104,54 @@ Dali::Actor EmitTouchSignals( Dali::Actor actor, const TouchEvent& event )
   return consumedActor;
 }
 
+Dali::Actor AllocAndEmitTouchSignals( unsigned long time,  Dali::Actor actor, const Integration::Point& point )
+{
+  TouchEvent touchEvent( time );
+  TouchDataPtr touchData( new TouchData( time ) );
+  Dali::TouchData touchDataHandle( touchData.Get() );
+
+  touchEvent.points.push_back( point.GetTouchPoint() );
+  touchData->AddPoint( point );
+
+  return EmitTouchSignals( actor, touchEvent, touchDataHandle );
+}
+
+
 /**
  * Changes the state of the primary point to leave and emits the touch signals
  */
-Dali::Actor EmitTouchSignals( Actor* actor, RenderTask& renderTask, const TouchEvent& originalEvent, TouchPoint::State state )
+Dali::Actor EmitTouchSignals( Actor* actor, RenderTask& renderTask, const TouchEvent& originalEvent, const TouchDataPtr& originalTouchData, PointState::Type state )
 {
-  TouchEvent touchEvent( originalEvent );
+  Dali::Actor consumingActor;
 
-  DALI_ASSERT_DEBUG( NULL != actor && "NULL actor pointer" );
   if( actor )
   {
-    TouchPoint& primaryPoint = touchEvent.points[0];
+    TouchDataPtr touchData = TouchData::Clone( *originalTouchData.Get() );
 
-    actor->ScreenToLocal( renderTask, primaryPoint.local.x, primaryPoint.local.y, primaryPoint.screen.x, primaryPoint.screen.y );
+    Integration::Point& primaryPoint = touchData->GetPoint( 0 );
 
-    primaryPoint.hitActor = Dali::Actor(actor);
-    primaryPoint.state = state;
-  }
+    const Vector2& screenPosition = primaryPoint.GetScreenPosition();
+    Vector2 localPosition;
+    actor->ScreenToLocal( renderTask, localPosition.x, localPosition.y, screenPosition.x, screenPosition.y );
 
-  return EmitTouchSignals( Dali::Actor(actor), touchEvent );
-}
+    primaryPoint.SetLocalPosition( localPosition );
+    primaryPoint.SetHitActor( Dali::Actor( actor ) );
+    primaryPoint.SetState( state );
 
-/**
- * In the hit test algorithm above we do not descend actor tree if it is insensitive, so here, we
- * should also check if any of the actor's parents has become insensitive since we last processed
- * it.
- */
-bool IsActuallySensitive( Actor* actor )
-{
-  bool sensitive = true;
+    TouchEvent touchEvent( originalEvent );
+    touchEvent.points[0] = primaryPoint.GetTouchPoint();
 
-  while ( actor && sensitive )
-  {
-    sensitive = actor->IsSensitive();
-    actor = actor->GetParent();
+    consumingActor = EmitTouchSignals( Dali::Actor(actor), touchEvent, Dali::TouchData( touchData.Get() ) );
   }
 
-  return sensitive;
+  return consumingActor;
 }
 
 } // unnamed namespace
 
-TouchEventProcessor::TouchEventProcessor( Stage& stage )
-: mStage( stage ),
-  mLastPrimaryHitActor(),
+TouchEventProcessor::TouchEventProcessor( Scene& scene )
+: mScene( scene ),
+  mLastPrimaryHitActor( MakeCallback( this, &TouchEventProcessor::OnObservedActorDisconnected ) ),
   mLastConsumedActor(),
   mTouchDownConsumedActor(),
   mLastRenderTask()
@@ -235,30 +167,25 @@ TouchEventProcessor::~TouchEventProcessor()
 void TouchEventProcessor::ProcessTouchEvent( const Integration::TouchEvent& event )
 {
   DALI_LOG_TRACE_METHOD( gLogFilter );
-
   DALI_ASSERT_ALWAYS( !event.points.empty() && "Empty TouchEvent sent from Integration\n" );
 
-  Stage& stage = mStage;
-
-  PRINT_HIERARCHY;
-
-  // Copy so we can add the results of a hit-test.
-  TouchEvent touchEvent( event.time );
+  PRINT_HIERARCHY(gLogFilter);
 
   // 1) Check if it is an interrupted event - we should inform our last primary hit actor about this
   //    and emit the stage signal as well.
 
-  if ( event.points[0].state == TouchPoint::Interrupted )
+  if ( event.points[0].GetState() == PointState::INTERRUPTED )
   {
     Dali::Actor consumingActor;
-    touchEvent.points.push_back(event.points[0]);
+    Integration::Point currentPoint( event.points[0] );
 
     Actor* lastPrimaryHitActor( mLastPrimaryHitActor.GetActor() );
     if ( lastPrimaryHitActor )
     {
       Dali::Actor lastPrimaryHitActorHandle( lastPrimaryHitActor );
-      touchEvent.points[0].hitActor = lastPrimaryHitActorHandle;
-      consumingActor = EmitTouchSignals( lastPrimaryHitActorHandle, touchEvent );
+      currentPoint.SetHitActor( lastPrimaryHitActorHandle );
+
+      consumingActor = AllocAndEmitTouchSignals( event.time, lastPrimaryHitActorHandle, currentPoint );
     }
 
     // If the last consumed actor was different to the primary hit actor then inform it as well (if it has not already been informed).
@@ -268,8 +195,8 @@ void TouchEventProcessor::ProcessTouchEvent( const Integration::TouchEvent& even
          lastConsumedActor != consumingActor )
     {
       Dali::Actor lastConsumedActorHandle( lastConsumedActor );
-      touchEvent.points[0].hitActor = lastConsumedActorHandle;
-      EmitTouchSignals( lastConsumedActorHandle, touchEvent );
+      currentPoint.SetHitActor( lastConsumedActorHandle );
+      AllocAndEmitTouchSignals( event.time, lastConsumedActorHandle, currentPoint );
     }
 
     // Tell the touch-down consuming actor as well, if required
@@ -280,8 +207,9 @@ void TouchEventProcessor::ProcessTouchEvent( const Integration::TouchEvent& even
          touchDownConsumedActor != consumingActor )
     {
       Dali::Actor touchDownConsumedActorHandle( touchDownConsumedActor );
-      touchEvent.points[0].hitActor = touchDownConsumedActorHandle;
-      EmitTouchSignals( touchDownConsumedActorHandle, touchEvent );
+
+      currentPoint.SetHitActor( touchDownConsumedActorHandle );
+      AllocAndEmitTouchSignals( event.time, touchDownConsumedActorHandle, currentPoint );
     }
 
     mLastPrimaryHitActor.SetActor( NULL );
@@ -289,33 +217,44 @@ void TouchEventProcessor::ProcessTouchEvent( const Integration::TouchEvent& even
     mTouchDownConsumedActor.SetActor( NULL );
     mLastRenderTask.Reset();
 
-    touchEvent.points[0].hitActor = NULL;
-    mStage.EmitTouchedSignal( touchEvent );
+    currentPoint.SetHitActor( Dali::Actor() );
+
+    TouchEvent touchEvent( event.time );
+    TouchDataPtr touchData( new TouchData( event.time ) );
+    Dali::TouchData touchDataHandle( touchData.Get() );
 
+    touchEvent.points.push_back( currentPoint.GetTouchPoint() );
+    touchData->AddPoint( currentPoint );
+
+    mScene.EmitTouchedSignal( touchEvent, touchDataHandle );
     return; // No need for hit testing
   }
 
   // 2) Hit Testing.
+  TouchEvent touchEvent( event.time );
+  TouchDataPtr touchData( new TouchData( event.time ) );
+  Dali::TouchData touchDataHandle( touchData.Get() );
 
   DALI_LOG_INFO( gLogFilter, Debug::Concise, "\n" );
   DALI_LOG_INFO( gLogFilter, Debug::General, "Point(s): %d\n", event.GetPointCount() );
 
-  Dali::RenderTask currentRenderTask;
+  RenderTaskPtr currentRenderTask;
 
-  for ( TouchPointContainerConstIterator iter = event.points.begin(), beginIter = event.points.begin(), endIter = event.points.end(); iter != endIter; ++iter )
+  for ( Integration::PointContainerConstIterator iter = event.points.begin(), beginIter = event.points.begin(), endIter = event.points.end(); iter != endIter; ++iter )
   {
     HitTestAlgorithm::Results hitTestResults;
-    HitTestAlgorithm::HitTest( stage, iter->screen, hitTestResults );
+    HitTestAlgorithm::HitTest( mScene.GetSize(), mScene.GetRenderTaskList(), mScene.GetLayerList(), iter->GetScreenPosition(), hitTestResults );
 
-    TouchPoint newPoint( iter->deviceId, iter->state, iter->screen.x, iter->screen.y );
-    newPoint.hitActor = hitTestResults.actor;
-    newPoint.local = hitTestResults.actorCoordinates;
+    Integration::Point newPoint( *iter );
+    newPoint.SetHitActor( hitTestResults.actor );
+    newPoint.SetLocalPosition( hitTestResults.actorCoordinates );
 
-    touchEvent.points.push_back( newPoint );
+    touchEvent.points.push_back( newPoint.GetTouchPoint() );
+    touchData->AddPoint( newPoint );
 
     DALI_LOG_INFO( gLogFilter, Debug::General, "  State(%s), Screen(%.0f, %.0f), HitActor(%p, %s), Local(%.2f, %.2f)\n",
-                   TOUCH_POINT_STATE[iter->state], iter->screen.x, iter->screen.y,
-                   ( hitTestResults.actor ? (void*)&hitTestResults.actor.GetBaseObject() : NULL ),
+                   TOUCH_POINT_STATE[iter->GetState()], iter->GetScreenPosition().x, iter->GetScreenPosition().y,
+                   ( hitTestResults.actor ? reinterpret_cast< void* >( &hitTestResults.actor.GetBaseObject() ) : NULL ),
                    ( hitTestResults.actor ? hitTestResults.actor.GetName().c_str() : "" ),
                    hitTestResults.actorCoordinates.x, hitTestResults.actorCoordinates.y );
 
@@ -332,17 +271,17 @@ void TouchEventProcessor::ProcessTouchEvent( const Integration::TouchEvent& even
   Dali::Actor consumedActor;
   if ( currentRenderTask )
   {
-    consumedActor = EmitTouchSignals( touchEvent.points[0].hitActor, touchEvent );
+    consumedActor = EmitTouchSignals( touchData->GetPoint( 0 ).GetHitActor(), touchEvent, touchDataHandle );
   }
 
-  TouchPoint& primaryPoint = touchEvent.points[0];
-  Dali::Actor primaryHitActor = primaryPoint.hitActor;
-  TouchPoint::State primaryPointState = primaryPoint.state;
+  Integration::Point& primaryPoint = touchData->GetPoint( 0 );
+  Dali::Actor primaryHitActor = primaryPoint.GetHitActor();
+  PointState::Type primaryPointState = primaryPoint.GetState();
 
-  DALI_LOG_INFO( gLogFilter, Debug::Concise, "PrimaryHitActor:     (%p) %s\n", primaryPoint.hitActor ? (void*)&primaryPoint.hitActor.GetBaseObject() : NULL, primaryPoint.hitActor ? primaryPoint.hitActor.GetName().c_str() : "" );
-  DALI_LOG_INFO( gLogFilter, Debug::Concise, "ConsumedActor:       (%p) %s\n", consumedActor ? (void*)&consumedActor.GetBaseObject() : NULL, consumedActor ? consumedActor.GetName().c_str() : "" );
+  DALI_LOG_INFO( gLogFilter, Debug::Concise, "PrimaryHitActor:     (%p) %s\n", primaryHitActor ? reinterpret_cast< void* >( &primaryHitActor.GetBaseObject() ) : NULL, primaryHitActor ? primaryHitActor.GetName().c_str() : "" );
+  DALI_LOG_INFO( gLogFilter, Debug::Concise, "ConsumedActor:       (%p) %s\n", consumedActor ? reinterpret_cast< void* >( &consumedActor.GetBaseObject() ) : NULL, consumedActor ? consumedActor.GetName().c_str() : "" );
 
-  if ( ( primaryPointState == TouchPoint::Down ) &&
+  if ( ( primaryPointState == PointState::DOWN ) &&
        ( touchEvent.GetPointCount() == 1 ) &&
        ( consumedActor && consumedActor.OnStage() ) )
   {
@@ -354,12 +293,12 @@ void TouchEventProcessor::ProcessTouchEvent( const Integration::TouchEvent& even
 
   Actor* lastPrimaryHitActor( mLastPrimaryHitActor.GetActor() );
   Actor* lastConsumedActor( mLastConsumedActor.GetActor() );
-  if( (primaryPointState == TouchPoint::Motion) || (primaryPointState == TouchPoint::Up) || (primaryPointState == TouchPoint::Stationary) )
+  if( ( primaryPointState == PointState::MOTION ) || ( primaryPointState == PointState::UP ) || ( primaryPointState == PointState::STATIONARY ) )
   {
-    if ( mLastRenderTask )
+    if( mLastRenderTask )
     {
       Dali::Actor leaveEventConsumer;
-      RenderTask& lastRenderTaskImpl( GetImplementation( mLastRenderTask ) );
+      RenderTask& lastRenderTaskImpl = *mLastRenderTask.Get();
 
       if( lastPrimaryHitActor &&
           lastPrimaryHitActor != primaryHitActor &&
@@ -369,16 +308,16 @@ void TouchEventProcessor::ProcessTouchEvent( const Integration::TouchEvent& even
         {
           if ( lastPrimaryHitActor->GetLeaveRequired() )
           {
-            DALI_LOG_INFO( gLogFilter, Debug::Concise, "LeaveActor(Hit):     (%p) %s\n", (void*)lastPrimaryHitActor, lastPrimaryHitActor->GetName().c_str() );
-            leaveEventConsumer = EmitTouchSignals( mLastPrimaryHitActor.GetActor(), lastRenderTaskImpl, touchEvent, TouchPoint::Leave );
+            DALI_LOG_INFO( gLogFilter, Debug::Concise, "LeaveActor(Hit):     (%p) %s\n", reinterpret_cast< void* >( lastPrimaryHitActor ), lastPrimaryHitActor->GetName().c_str() );
+            leaveEventConsumer = EmitTouchSignals( mLastPrimaryHitActor.GetActor(), lastRenderTaskImpl, touchEvent, touchData, PointState::LEAVE );
           }
         }
         else
         {
           // At this point mLastPrimaryHitActor was touchable and sensitive in the previous touch event process but is not in the current one.
           // An interrupted event is send to allow some actors to go back to their original state (i.e. Button controls)
-          DALI_LOG_INFO( gLogFilter, Debug::Concise, "InterruptedActor(Hit):     (%p) %s\n", (void*)lastPrimaryHitActor, lastPrimaryHitActor->GetName().c_str() );
-          leaveEventConsumer = EmitTouchSignals( mLastPrimaryHitActor.GetActor(), lastRenderTaskImpl, touchEvent, TouchPoint::Interrupted );
+          DALI_LOG_INFO( gLogFilter, Debug::Concise, "InterruptedActor(Hit):     (%p) %s\n", reinterpret_cast< void* >( lastPrimaryHitActor ), lastPrimaryHitActor->GetName().c_str() );
+          leaveEventConsumer = EmitTouchSignals( mLastPrimaryHitActor.GetActor(), lastRenderTaskImpl, touchEvent, touchData, PointState::INTERRUPTED );
         }
       }
 
@@ -395,16 +334,16 @@ void TouchEventProcessor::ProcessTouchEvent( const Integration::TouchEvent& even
         {
           if( lastConsumedActor->GetLeaveRequired() )
           {
-            DALI_LOG_INFO( gLogFilter, Debug::Concise, "LeaveActor(Consume): (%p) %s\n", (void*)lastConsumedActor, lastConsumedActor->GetName().c_str() );
-            EmitTouchSignals( lastConsumedActor, lastRenderTaskImpl, touchEvent, TouchPoint::Leave );
+            DALI_LOG_INFO( gLogFilter, Debug::Concise, "LeaveActor(Consume): (%p) %s\n", reinterpret_cast< void* >( lastConsumedActor ), lastConsumedActor->GetName().c_str() );
+            EmitTouchSignals( lastConsumedActor, lastRenderTaskImpl, touchEvent, touchData, PointState::LEAVE );
           }
         }
         else
         {
           // At this point mLastConsumedActor was touchable and sensitive in the previous touch event process but is not in the current one.
           // An interrupted event is send to allow some actors to go back to their original state (i.e. Button controls)
-          DALI_LOG_INFO( gLogFilter, Debug::Concise, "InterruptedActor(Consume):     (%p) %s\n", (void*)lastConsumedActor, lastConsumedActor->GetName().c_str() );
-          EmitTouchSignals( mLastConsumedActor.GetActor(), lastRenderTaskImpl, touchEvent, TouchPoint::Interrupted );
+          DALI_LOG_INFO( gLogFilter, Debug::Concise, "InterruptedActor(Consume):     (%p) %s\n", reinterpret_cast< void* >( lastConsumedActor ), lastConsumedActor->GetName().c_str() );
+          EmitTouchSignals( mLastConsumedActor.GetActor(), lastRenderTaskImpl, touchEvent, touchData, PointState::INTERRUPTED );
         }
       }
     }
@@ -413,7 +352,7 @@ void TouchEventProcessor::ProcessTouchEvent( const Integration::TouchEvent& even
   // 5) If our primary point is an Up event, then the primary point (in multi-touch) will change next
   //    time so set our last primary actor to NULL.  Do the same to the last consumed actor as well.
 
-  if ( primaryPointState == TouchPoint::Up )
+  if ( primaryPointState == PointState::UP )
   {
     mLastPrimaryHitActor.SetActor( NULL );
     mLastConsumedActor.SetActor( NULL );
@@ -453,7 +392,7 @@ void TouchEventProcessor::ProcessTouchEvent( const Integration::TouchEvent& even
   {
     switch ( primaryPointState )
     {
-      case TouchPoint::Up:
+      case PointState::UP:
       {
         Actor* touchDownConsumedActor( mTouchDownConsumedActor.GetActor() );
         if ( touchDownConsumedActor &&
@@ -462,30 +401,28 @@ void TouchEventProcessor::ProcessTouchEvent( const Integration::TouchEvent& even
              touchDownConsumedActor != lastConsumedActor )
         {
           Dali::Actor touchDownConsumedActorHandle( touchDownConsumedActor );
-          touchEvent.points[0].hitActor = touchDownConsumedActorHandle;
-          touchEvent.points[0].state = TouchPoint::Interrupted;
-          EmitTouchSignals( touchDownConsumedActorHandle, touchEvent );
 
-          // Restore touch-event to original state
-          touchEvent.points[0].hitActor = primaryHitActor;
-          touchEvent.points[0].state = primaryPointState;
+          Integration::Point currentPoint = touchData->GetPoint( 0 );
+          currentPoint.SetHitActor( touchDownConsumedActorHandle );
+          currentPoint.SetState( PointState::INTERRUPTED );
+
+          AllocAndEmitTouchSignals( event.time, touchDownConsumedActorHandle, currentPoint );
         }
 
         mTouchDownConsumedActor.SetActor( NULL );
       }
       // No break, Fallthrough
 
-      case TouchPoint::Down:
+      case PointState::DOWN:
       {
-        mStage.EmitTouchedSignal( touchEvent );
+        mScene.EmitTouchedSignal( touchEvent, touchDataHandle );
         break;
       }
 
-      case TouchPoint::Motion:
-      case TouchPoint::Leave:
-      case TouchPoint::Stationary:
-      case TouchPoint::Interrupted:
-      case TouchPoint::Last:
+      case PointState::MOTION:
+      case PointState::LEAVE:
+      case PointState::STATIONARY:
+      case PointState::INTERRUPTED:
       {
         // Ignore
         break;
@@ -494,75 +431,34 @@ void TouchEventProcessor::ProcessTouchEvent( const Integration::TouchEvent& even
   }
 }
 
-TouchEventProcessor::ActorObserver::ActorObserver()
-: mActor ( NULL ),
-  mActorDisconnected(false)
+void TouchEventProcessor::OnObservedActorDisconnected( Actor* actor )
 {
-  DALI_LOG_TRACE_METHOD( gLogFilter );
-}
+  if ( actor == mLastPrimaryHitActor.GetActor() )
+  {
+    Dali::Actor handle( actor );
 
-TouchEventProcessor::ActorObserver::~ActorObserver()
-{
-  DALI_LOG_TRACE_METHOD( gLogFilter );
-  SetActor( NULL );
-}
+    Integration::Point point;
+    point.SetState( PointState::INTERRUPTED );
+    point.SetHitActor( handle );
 
-Actor* TouchEventProcessor::ActorObserver::GetActor()
-{
-  return mActorDisconnected ? NULL : mActor;
-}
+    TouchDataPtr touchData( new TouchData );
+    touchData->AddPoint( point );
+    Dali::TouchData touchDataHandle( touchData.Get() );
 
-void TouchEventProcessor::ActorObserver::SetActor( Actor* actor )
-{
-  DALI_LOG_TRACE_METHOD( gLogFilter );
-
-  if ( mActor != actor )
-  {
-    ResetActor();
+    TouchEvent touchEvent( 0 );
+    touchEvent.points.push_back( point.GetTouchPoint() );
 
-    mActor = actor;
+    Dali::Actor eventConsumer = EmitTouchSignals( handle, touchEvent, touchDataHandle );
 
-    if ( mActor )
+    if ( mLastConsumedActor.GetActor() != eventConsumer )
     {
-      mActor->AddObserver( *this );
-      DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Start Observing:            %p\n", mActor);
+      EmitTouchSignals( Dali::Actor( mLastConsumedActor.GetActor() ), touchEvent, touchDataHandle );
     }
-  }
-
-  // Make sure this flag is unset (as we may have been disconnected if it's the same actor)
-  mActorDisconnected = false;
-}
 
-void TouchEventProcessor::ActorObserver::ResetActor()
-{
-  if ( mActor )
-  {
-    DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Stop Observing:             %p\n", mActor);
-    mActor->RemoveObserver( *this );
-    mActor = NULL;
-    mActorDisconnected = false;
-  }
-}
+    // Do not set mLastPrimaryHitActor to NULL we may be iterating through its observers
 
-void TouchEventProcessor::ActorObserver::SceneObjectRemoved( ProxyObject& proxy )
-{
-  DALI_LOG_TRACE_METHOD( gLogFilter );
-
-  if ( mActor == &proxy )
-  {
-    // do not call proxy.RemoveObserver here, proxy is currently iterating through observers... you wouldnt want to upset proxy now would you?
-    mActorDisconnected = true;
-  }
-}
-
-void TouchEventProcessor::ActorObserver::ProxyDestroyed(ProxyObject& proxy)
-{
-  DALI_LOG_TRACE_METHOD( gLogFilter );
-
-  if ( mActor == &proxy )
-  {
-    DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Stop Observing:             %p\n", mActor);
-    mActor = NULL;
+    mLastConsumedActor.SetActor( NULL );
+    mLastRenderTask.Reset();
   }
 }