Removal of unnecessary Actor-attachment classes, part I - event thread
[platform/core/uifw/dali-core.git] / dali / internal / event / common / stage-impl.cpp
index 0e5130a..2358018 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2016 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.
 // EXTERNAL INCLUDES
 #include <algorithm>
 #include <cmath>
+#include <cstring> // for strcmp
 
 // INTERNAL INCLUDES
 #include <dali/integration-api/system-overlay.h>
 #include <dali/internal/event/actors/layer-impl.h>
 #include <dali/internal/event/actors/layer-list.h>
 #include <dali/internal/event/actors/camera-actor-impl.h>
-#include <dali/internal/event/actor-attachments/camera-attachment-impl.h>
 #include <dali/internal/event/common/system-overlay-impl.h>
 #include <dali/internal/event/common/thread-local-storage.h>
 #include <dali/internal/event/common/property-notification-manager.h>
 #include <dali/internal/event/common/object-registry-impl.h>
 #include <dali/integration-api/platform-abstraction.h>
 #include <dali/public-api/common/constants.h>
+#include <dali/public-api/object/type-registry.h>
 #include <dali/public-api/render-tasks/render-task-list.h>
 
-#ifdef DYNAMICS_SUPPORT
-#include <dali/internal/event/dynamics/dynamics-world-config-impl.h>
-#include <dali/internal/event/dynamics/dynamics-world-impl.h>
-#include <dali/integration-api/dynamics/dynamics-factory-intf.h>
-#include <dali/integration-api/dynamics/dynamics-world-settings.h>
-#endif
-
 using Dali::Internal::SceneGraph::Node;
 
 namespace Dali
@@ -58,6 +52,26 @@ namespace
 
 const float DEFAULT_STEREO_BASE( 65.0f );
 
+// Signals
+
+const char* const SIGNAL_KEY_EVENT =                 "keyEvent";
+const char* const SIGNAL_EVENT_PROCESSING_FINISHED = "eventProcessingFinished";
+const char* const SIGNAL_TOUCHED =                   "touched";
+const char* const SIGNAL_WHEEL_EVENT =               "wheelEvent";
+const char* const SIGNAL_CONTEXT_LOST =              "contextLost";
+const char* const SIGNAL_CONTEXT_REGAINED =          "contextRegained";
+const char* const SIGNAL_SCENE_CREATED =             "sceneCreated";
+
+TypeRegistration mType( typeid(Dali::Stage), typeid(Dali::BaseHandle), NULL );
+
+SignalConnectorType signalConnector1( mType, SIGNAL_KEY_EVENT,                 &Stage::DoConnectSignal );
+SignalConnectorType signalConnector2( mType, SIGNAL_EVENT_PROCESSING_FINISHED, &Stage::DoConnectSignal );
+SignalConnectorType signalConnector3( mType, SIGNAL_TOUCHED,                   &Stage::DoConnectSignal );
+SignalConnectorType signalConnector4( mType, SIGNAL_WHEEL_EVENT,               &Stage::DoConnectSignal );
+SignalConnectorType signalConnector5( mType, SIGNAL_CONTEXT_LOST,              &Stage::DoConnectSignal );
+SignalConnectorType signalConnector6( mType, SIGNAL_CONTEXT_REGAINED,          &Stage::DoConnectSignal );
+SignalConnectorType signalConnector7( mType, SIGNAL_SCENE_CREATED,             &Stage::DoConnectSignal );
+
 } // unnamed namespace
 
 StagePtr Stage::New( AnimationPlaylist& playlist,
@@ -73,17 +87,21 @@ void Stage::Initialize()
   mObjectRegistry = ObjectRegistry::New();
 
   // Create the ordered list of layers
-  mLayerList = LayerList::New( *this, false/*not system-level*/ );
+  mLayerList = LayerList::New( mUpdateManager, false/*not system-level*/ );
 
   // The stage owns the default layer
-  mRootLayer = Layer::NewRoot( *this, *mLayerList, mUpdateManager, false/*not system-level*/ );
+  mRootLayer = Layer::NewRoot( *mLayerList, mUpdateManager, false/*not system-level*/ );
   mRootLayer->SetName("RootLayer");
+  // The root layer needs to have a fixed resize policy (as opposed to the default USE_NATURAL_SIZE).
+  // This stops actors parented to the stage having their relayout requests propagating
+  // up to the root layer, and down through other children unnecessarily.
+  mRootLayer->SetResizePolicy( ResizePolicy::FIXED, Dimension::ALL_DIMENSIONS );
 
   // Create the default camera actor first; this is needed by the RenderTaskList
   CreateDefaultCameraActor();
 
   // Create the list of render-tasks
-  mRenderTaskList = RenderTaskList::New( mUpdateManager, *this, false/*not system-level*/ );
+  mRenderTaskList = RenderTaskList::New( *this, *this, false/*not system-level*/ );
 
   // Create the default render-task
   Dali::RenderTask defaultRenderTask = mRenderTaskList->CreateTask();
@@ -97,7 +115,9 @@ void Stage::Uninitialize()
 
   if( mDefaultCamera )
   {
-    Remove(*(mDefaultCamera.Get()));
+    // its enough to release the handle so the object is released
+    // don't need to remove it from root actor as root actor will delete the object
+    mDefaultCamera.Reset();
   }
 
   if( mRootLayer )
@@ -110,7 +130,14 @@ void Stage::Uninitialize()
 
 StagePtr Stage::GetCurrent()
 {
-  return ThreadLocalStorage::Get().GetCurrentStage();
+  StagePtr stage( NULL );
+  // no checking in this version
+  ThreadLocalStorage* tls = ThreadLocalStorage::GetInternal();
+  if( tls )
+  {
+    stage = tls->GetCurrentStage();
+  }
+  return stage;
 }
 
 bool Stage::IsInstalled()
@@ -123,19 +150,19 @@ ObjectRegistry& Stage::GetObjectRegistry()
   return *mObjectRegistry;
 }
 
-Layer& Stage::GetRootActor()
+void Stage::RegisterObject( Dali::BaseObject* object )
 {
-  return *mRootLayer;
+  mObjectRegistry->RegisterObject( object );
 }
 
-SceneGraph::UpdateManager& Stage::GetUpdateManager()
+void Stage::UnregisterObject( Dali::BaseObject* object )
 {
-  return mUpdateManager;
+  mObjectRegistry->UnregisterObject( object );
 }
 
-EventToUpdate& Stage::GetUpdateInterface()
+Layer& Stage::GetRootActor()
 {
-  return mUpdateManager.GetEventToUpdate();
+  return *mRootLayer;
 }
 
 AnimationPlaylist& Stage::GetAnimationPlaylist()
@@ -177,6 +204,18 @@ void Stage::SetSize(float width, float height)
   }
 
   SetDefaultSurfaceRectMessage( mUpdateManager, Rect<int>( 0, 0, width, height ) );
+
+  // if single render task to screen then set its viewport parameters
+  if( 1 == mRenderTaskList->GetTaskCount() )
+  {
+    Dali::RenderTask mDefaultRenderTask = mRenderTaskList->GetTask(0);
+
+    if(!mDefaultRenderTask.GetTargetFrameBuffer())
+    {
+      mDefaultRenderTask.SetViewport( Viewport(0, 0, width, height) );
+    }
+  }
+
 }
 
 Vector2 Stage::GetSize() const
@@ -263,7 +302,7 @@ void Stage::SetViewMode( ViewMode viewMode )
 
     if( mViewMode == MONO )
     {
-      mDefaultCamera->SetRotation( Degree( 180.0f ), Vector3::YAXIS );
+      mDefaultCamera->SetOrientation( Dali::ANGLE_180, Vector3::YAXIS );
       mRenderTaskList->GetTask(0).SetSourceActor( Dali::Actor() );
 
       //Create camera and RenderTask for left eye
@@ -301,8 +340,7 @@ void Stage::SetViewMode( ViewMode viewMode )
         mDefaultCamera->Remove( *mRightCamera.Get() );
         mRightRenderTask.Reset();
         mRightCamera.Reset();
-
-        mDefaultCamera->SetRotation( Degree( 0.0f ), Vector3::YAXIS );
+        mDefaultCamera->SetOrientation( Dali::ANGLE_0, Vector3::YAXIS );
         mDefaultCamera->SetType( Dali::Camera::LOOK_AT_TARGET );
         mRenderTaskList->GetTask(0).SetSourceActor( Dali::Layer(mRootLayer.Get()) );
 
@@ -321,13 +359,14 @@ void Stage::SetViewMode( ViewMode viewMode )
 
         mLeftCamera->SetPerspectiveProjection( mSize, Vector2( 0.0f,stereoBase) );
         mLeftCamera->SetAspectRatio( aspect );
-        mLeftCamera->SetRotation( Degree(-90.0f), Vector3::ZAXIS );
+
+        mLeftCamera->SetOrientation( -Dali::ANGLE_90, Vector3::ZAXIS );
         mLeftCamera->SetPosition( Vector3( stereoBase, 0.0f, 0.0f ) );
         mLeftRenderTask.SetViewport( Viewport(0, mSize.height * 0.5f, mSize.width, mSize.height * 0.5f) );
 
         mRightCamera->SetPerspectiveProjection( mSize, Vector2( 0.0,  -stereoBase) );
         mRightCamera->SetAspectRatio( aspect );
-        mRightCamera->SetRotation( Degree(-90.0f), Vector3::ZAXIS );
+        mRightCamera->SetOrientation( -Dali::ANGLE_90, Vector3::ZAXIS );
         mRightCamera->SetPosition( Vector3(-stereoBase, 0.0f, 0.0f ) );
         mRightRenderTask.SetViewport( Viewport(0, 0, mSize.width, mSize.height * 0.5f ) );
 
@@ -343,13 +382,13 @@ void Stage::SetViewMode( ViewMode viewMode )
 
         mLeftCamera->SetPerspectiveProjection( Size( mSize.x * 0.5f, mSize.y ), Vector2(stereoBase,0.0f) );
         mLeftCamera->SetFieldOfView( fov );
-        mLeftCamera->SetRotation( Degree(0.0f), Vector3::ZAXIS );
+        mLeftCamera->SetOrientation( Dali::ANGLE_0, Vector3::ZAXIS );
         mLeftCamera->SetPosition( Vector3( stereoBase, 0.0f, 0.0f ) );
         mLeftRenderTask.SetViewport( Viewport(0, 0, mSize.width * 0.5f, mSize.height ) );
 
         mRightCamera->SetPerspectiveProjection( Size( mSize.x * 0.5f, mSize.y ), Vector2(-stereoBase,0.0f) );
         mRightCamera->SetFieldOfView( fov );
-        mRightCamera->SetRotation( Degree(0.0f), Vector3::ZAXIS );
+        mRightCamera->SetOrientation( Dali::ANGLE_0, Vector3::ZAXIS );
         mRightCamera->SetPosition( Vector3( -stereoBase, 0.0f, 0.0f ) );
         mRightRenderTask.SetViewport( Viewport(mSize.width * 0.5f, 0, mSize.width * 0.5f, mSize.height ) );
 
@@ -442,51 +481,52 @@ void Stage::SetDpi(Vector2 dpi)
   mDpi = dpi;
 }
 
-#ifdef DYNAMICS_SUPPORT
-
-DynamicsNotifier& Stage::GetDynamicsNotifier()
+void Stage::KeepRendering( float durationSeconds )
 {
-  return mDynamicsNotifier;
+  // Send message to keep rendering
+  KeepRenderingMessage( mUpdateManager, durationSeconds );
 }
 
-DynamicsWorldPtr Stage::InitializeDynamics(DynamicsWorldConfigPtr config)
+bool Stage::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
 {
-  if( !mDynamicsFactory )
+  bool connected( true );
+  Stage* stage = dynamic_cast<Stage*>(object);
+
+  if( 0 == strcmp( signalName.c_str(), SIGNAL_KEY_EVENT ) )
   {
-    mDynamicsFactory = ThreadLocalStorage::Get().GetPlatformAbstraction().GetDynamicsFactory();
+    stage->KeyEventSignal().Connect( tracker, functor );
   }
-
-  if( mDynamicsFactory && !mDynamicsWorld )
+  else if( 0 == strcmp( signalName.c_str(), SIGNAL_EVENT_PROCESSING_FINISHED ) )
   {
-    if( mDynamicsFactory->InitializeDynamics( *(config->GetSettings()) ) )
-    {
-      mDynamicsWorld = DynamicsWorld::New();
-      mDynamicsWorld->Initialize( *this, *mDynamicsFactory, config );
-    }
+    stage->EventProcessingFinishedSignal().Connect( tracker, functor );
   }
-  return mDynamicsWorld;
-}
-
-DynamicsWorldPtr Stage::GetDynamicsWorld()
-{
-  return mDynamicsWorld;
-}
-
-void Stage::TerminateDynamics()
-{
-  if( mDynamicsWorld )
+  else if( 0 == strcmp( signalName.c_str(), SIGNAL_TOUCHED ) )
   {
-    mDynamicsWorld->Terminate(*this);
-    mDynamicsWorld = NULL;
+    stage->TouchedSignal().Connect( tracker, functor );
+  }
+  else if( 0 == strcmp( signalName.c_str(), SIGNAL_WHEEL_EVENT ) )
+  {
+    stage->WheelEventSignal().Connect( tracker, functor );
+  }
+  else if( 0 == strcmp( signalName.c_str(), SIGNAL_CONTEXT_LOST ) )
+  {
+    stage->ContextLostSignal().Connect( tracker, functor );
+  }
+  else if( 0 == strcmp( signalName.c_str(), SIGNAL_CONTEXT_REGAINED ) )
+  {
+    stage->ContextRegainedSignal().Connect( tracker, functor );
+  }
+  else if( 0 == strcmp( signalName.c_str(), SIGNAL_SCENE_CREATED ) )
+  {
+    stage->SceneCreatedSignal().Connect( tracker, functor );
+  }
+  else
+  {
+    // signalName does not match any signal
+    connected = false;
   }
-}
-
-#endif // DYNAMICS_SUPPORT
 
-void Stage::KeepRendering( float durationSeconds )
-{
-  // Send message to keep rendering
-  KeepRenderingMessage( mUpdateManager, durationSeconds );
+  return connected;
 }
 
 void Stage::EmitKeyEventSignal(const KeyEvent& event)
@@ -506,6 +546,12 @@ void Stage::EmitTouchedSignal( const TouchEvent& touch )
   mTouchedSignal.Emit( touch );
 }
 
+void Stage::EmitWheelEventSignal(const WheelEvent& event)
+{
+  // Emit the wheel event signal when no actor in the stage has gained the wheel input focus
+
+  mWheelEventSignal.Emit( event );
+}
 
 void Stage::EmitSceneCreatedSignal()
 {
@@ -527,6 +573,11 @@ Dali::Stage::TouchedSignalType& Stage::TouchedSignal()
   return mTouchedSignal;
 }
 
+Dali::Stage::WheelEventSignalType& Stage::WheelEventSignal()
+{
+  return mWheelEventSignal;
+}
+
 Dali::Stage::ContextStatusSignal& Stage::ContextLostSignal()
 {
   return mContextLostSignal;
@@ -564,13 +615,25 @@ Stage::Stage( AnimationPlaylist& playlist,
   mBackgroundColor(Dali::Stage::DEFAULT_BACKGROUND_COLOR),
   mViewMode( MONO ),
   mStereoBase( DEFAULT_STEREO_BASE ),
-#ifdef DYNAMICS_SUPPORT
-  mDynamicsFactory(NULL),
-#endif
   mSystemOverlay(NULL)
 {
 }
 
+SceneGraph::UpdateManager& Stage::GetUpdateManager()
+{
+  return mUpdateManager;
+}
+
+unsigned int* Stage::ReserveMessageSlot( std::size_t size, bool updateScene )
+{
+  return mUpdateManager.ReserveMessageSlot( size, updateScene );
+}
+
+BufferIndex Stage::GetEventBufferIndex() const
+{
+  return mUpdateManager.GetEventBufferIndex();
+}
+
 Stage::~Stage()
 {
   delete mSystemOverlay;