Merge "Fix for font validation." into devel/master
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / public-api / controls / control-impl.cpp
index 1c7d294..7cc7571 100644 (file)
 #include <cstring> // for strcmp
 #include <limits>
 #include <stack>
-#include <dali/public-api/actors/image-actor.h>
-#include <dali/devel-api/actors/mesh-actor.h>
 #include <dali/public-api/animation/constraint.h>
 #include <dali/public-api/animation/constraints.h>
-#include <dali/devel-api/geometry/mesh.h>
 #include <dali/public-api/object/type-registry.h>
+#include <dali/public-api/size-negotiation/relayout-container.h>
 #include <dali/devel-api/object/type-registry-helper.h>
+#include <dali/devel-api/rendering/renderer.h>
 #include <dali/devel-api/scripting/scripting.h>
-#include <dali/public-api/size-negotiation/relayout-container.h>
 #include <dali/integration-api/debug.h>
 
 // INTERNAL INCLUDES
-#include <dali-toolkit/public-api/focus-manager/keyinput-focus-manager.h>
 #include <dali-toolkit/public-api/focus-manager/keyboard-focus-manager.h>
 #include <dali-toolkit/public-api/controls/control.h>
+#include <dali-toolkit/devel-api/controls/control-depth-index-ranges.h>
+#include <dali-toolkit/devel-api/controls/renderer-factory/renderer-factory.h>
+#include <dali-toolkit/devel-api/focus-manager/keyinput-focus-manager.h>
 #include <dali-toolkit/devel-api/styling/style-manager.h>
 #include <dali-toolkit/internal/styling/style-manager-impl.h>
+#include <dali-toolkit/internal/controls/renderers/color/color-renderer.h>
 
 namespace Dali
 {
@@ -49,8 +50,6 @@ namespace Toolkit
 namespace
 {
 
-const float BACKGROUND_ACTOR_Z_POSITION( -0.1f );
-
 /**
  * Creates control through type registry
  */
@@ -66,12 +65,12 @@ BaseHandle Create()
  * @param[in] attributes The attributes with which to perfrom this action.
  * @return true if action has been accepted by this control
  */
-const char* ACTION_CONTROL_ACTIVATED = "control-activated";
-  static bool DoAction( BaseObject* object, const std::string& actionName, const Property::Map& attributes )
+const char* ACTION_ACCESSIBILITY_ACTIVATED = "accessibilityActivated";
+static bool DoAction( BaseObject* object, const std::string& actionName, const Property::Map& attributes )
 {
   bool ret = false;
 
-  if( object && ( 0 == strcmp( actionName.c_str(), ACTION_CONTROL_ACTIVATED ) ) )
+  if( object && ( 0 == strcmp( actionName.c_str(), ACTION_ACCESSIBILITY_ACTIVATED ) ) )
   {
     Toolkit::Control control = Toolkit::Control::DownCast( BaseHandle( object ) );
     if( control )
@@ -93,13 +92,13 @@ const char* ACTION_CONTROL_ACTIVATED = "control-activated";
  * @return True if the signal was connected.
  * @post If a signal was connected, ownership of functor was passed to CallbackBase. Otherwise the caller is responsible for deleting the unused functor.
  */
-const char* SIGNAL_KEY_EVENT = "key-event";
-const char* SIGNAL_KEY_INPUT_FOCUS_GAINED = "key-input-focus-gained";
-const char* SIGNAL_KEY_INPUT_FOCUS_LOST = "key-input-focus-lost";
+const char* SIGNAL_KEY_EVENT = "keyEvent";
+const char* SIGNAL_KEY_INPUT_FOCUS_GAINED = "keyInputFocusGained";
+const char* SIGNAL_KEY_INPUT_FOCUS_LOST = "keyInputFocusLost";
 const char* SIGNAL_TAPPED = "tapped";
 const char* SIGNAL_PANNED = "panned";
 const char* SIGNAL_PINCHED = "pinched";
-const char* SIGNAL_LONG_PRESSED = "long-pressed";
+const char* SIGNAL_LONG_PRESSED = "longPressed";
 static bool DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
 {
   Dali::BaseHandle handle( object );
@@ -160,94 +159,11 @@ SignalConnectorType registerSignal5( typeRegistration, SIGNAL_PANNED, &DoConnect
 SignalConnectorType registerSignal6( typeRegistration, SIGNAL_PINCHED, &DoConnectSignal );
 SignalConnectorType registerSignal7( typeRegistration, SIGNAL_LONG_PRESSED, &DoConnectSignal );
 
-TypeAction registerAction( typeRegistration, ACTION_CONTROL_ACTIVATED, &DoAction );
+TypeAction registerAction( typeRegistration, ACTION_ACCESSIBILITY_ACTIVATED, &DoAction );
 
 DALI_TYPE_REGISTRATION_END()
 
-/**
- * Structure which holds information about the background of a control
- */
-struct Background
-{
-  Actor actor;   ///< Either a MeshActor or an ImageActor
-  Vector4 color; ///< The color of the actor.
-
-  /**
-   * Constructor
-   */
-  Background()
-  : actor(),
-    color( Color::WHITE )
-  {
-  }
-};
-
-/**
- * Creates a white coloured Mesh.
- */
-Mesh CreateMesh()
-{
-  Vector3 white( Color::WHITE );
-
-  MeshData meshData;
-
-  // Create vertices with a white color (actual color is set by actor color)
-  MeshData::VertexContainer vertices(4);
-  vertices[ 0 ] = MeshData::Vertex( Vector3( -0.5f, -0.5f, 0.0f ), Vector2::ZERO, white );
-  vertices[ 1 ] = MeshData::Vertex( Vector3(  0.5f, -0.5f, 0.0f ), Vector2::ZERO, white );
-  vertices[ 2 ] = MeshData::Vertex( Vector3( -0.5f,  0.5f, 0.0f ), Vector2::ZERO, white );
-  vertices[ 3 ] = MeshData::Vertex( Vector3(  0.5f,  0.5f, 0.0f ), Vector2::ZERO, white );
-
-  // Specify all the faces
-  MeshData::FaceIndices faces;
-  faces.reserve( 6 ); // 2 triangles in Quad
-  faces.push_back( 0 ); faces.push_back( 3 ); faces.push_back( 1 );
-  faces.push_back( 0 ); faces.push_back( 2 ); faces.push_back( 3 );
-
-  // Create the mesh data from the vertices and faces
-  meshData.SetMaterial( Material::New( "ControlMaterial" ) );
-  meshData.SetVertices( vertices );
-  meshData.SetFaceIndices( faces );
-  meshData.SetHasColor( true );
-
-  return Mesh::New( meshData );
-}
-
-/**
- * Sets all the required properties for the background actor.
- *
- * @param[in]  actor              The actor to set the properties on.
- * @param[in]  color              The required color of the actor.
- */
-void SetupBackgroundActor( Actor actor, const Vector4& color )
-{
-  actor.SetColor( color );
-  actor.SetPositionInheritanceMode( USE_PARENT_POSITION_PLUS_LOCAL_POSITION );
-  actor.SetColorMode( USE_OWN_MULTIPLY_PARENT_COLOR );
-  actor.SetZ( BACKGROUND_ACTOR_Z_POSITION );
-  actor.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
-}
-
-/**
- * Sets all the required properties for the background actor.
- *
- * @param[in]  actor              The actor to set the properties on.
- * @param[in]  constrainingIndex  The property index to constrain the parent's size on.
- * @param[in]  color              The required color of the actor.
- */
-void SetupBackgroundActorConstrained( Actor actor, Property::Index constrainingIndex, const Vector4& color )
-{
-  actor.SetColor( color );
-  actor.SetPositionInheritanceMode( USE_PARENT_POSITION_PLUS_LOCAL_POSITION );
-  actor.SetColorMode( USE_OWN_MULTIPLY_PARENT_COLOR );
-  actor.SetZ( BACKGROUND_ACTOR_Z_POSITION );
-
-  Constraint constraint = Constraint::New<Vector3>( actor,
-                                                    constrainingIndex,
-                                                    EqualToConstraint() );
-  constraint.AddSource( ParentSource( Actor::Property::SIZE ) );
-  constraint.Apply();
-}
+const char * const COLOR_RENDERER_COLOR_NAME("blendColor");
 
 } // unnamed namespace
 
@@ -260,25 +176,25 @@ public:
 
   // Construction & Destruction
   Impl(Control& controlImpl)
-  : mControlImpl( controlImpl ),
-    mStyleName(""),
-    mBackground( NULL ),
-    mStartingPinchScale( NULL ),
-    mKeyEventSignal(),
-    mPinchGestureDetector(),
-    mPanGestureDetector(),
-    mTapGestureDetector(),
-    mLongPressGestureDetector(),
-    mFlags( Control::ControlBehaviour( ACTOR_BEHAVIOUR_NONE ) ),
-    mIsKeyboardNavigationSupported( false ),
-    mIsKeyboardFocusGroup( false )
-  {
-  }
+: mControlImpl( controlImpl ),
+  mStyleName(""),
+  mBackgroundRenderer(),
+  mStartingPinchScale( NULL ),
+  mKeyEventSignal(),
+  mPinchGestureDetector(),
+  mPanGestureDetector(),
+  mTapGestureDetector(),
+  mLongPressGestureDetector(),
+  mFlags( Control::ControlBehaviour( ACTOR_BEHAVIOUR_NONE ) ),
+  mIsKeyboardNavigationSupported( false ),
+  mIsKeyboardFocusGroup( false ),
+  mAddRemoveBackgroundChild( false )
+{
+}
 
   ~Impl()
   {
     // All gesture detectors will be destroyed so no need to disconnect.
-    delete mBackground;
     delete mStartingPinchScale;
   }
 
@@ -304,21 +220,6 @@ public:
     mControlImpl.OnLongPress(longPress);
   }
 
-  // Background Methods
-
-  /**
-   * Only creates an instance of the background if we actually use it.
-   * @return A reference to the Background structure.
-   */
-  Background& GetBackground()
-  {
-    if ( !mBackground )
-    {
-      mBackground = new Background;
-    }
-    return *mBackground;
-  }
-
   // Properties
 
   /**
@@ -345,23 +246,20 @@ public:
 
         case Toolkit::Control::Property::BACKGROUND_COLOR:
         {
+          DALI_LOG_WARNING( "BACKGROUND_COLOR property is deprecated. Use BACKGROUND property instead\n" );
           controlImpl.SetBackgroundColor( value.Get< Vector4 >() );
           break;
         }
 
         case Toolkit::Control::Property::BACKGROUND_IMAGE:
         {
-          if ( value.HasKey( "image" ) )
+          DALI_LOG_WARNING( "BACKGROUND_IMAGE property is deprecated. Use BACKGROUND property instead\n" );
+          Image image = Scripting::NewImage( value );
+          if ( image )
           {
-            Property::Map imageMap = value.GetValue( "image" ).Get< Property::Map >();
-            Image image = Scripting::NewImage( imageMap );
-
-            if ( image )
-            {
-              controlImpl.SetBackgroundImage( image );
-            }
+            controlImpl.SetBackgroundImage( image );
           }
-          else if ( value.Get< Property::Map >().Empty() )
+          else
           {
             // An empty map means the background is no longer required
             controlImpl.ClearBackground();
@@ -381,6 +279,21 @@ public:
           }
           break;
         }
+
+        case Toolkit::Control::Property::BACKGROUND:
+        {
+          const Property::Map* map = value.GetMap();
+          if( map )
+          {
+            controlImpl.SetBackground( *map );
+          }
+          else
+          {
+            // The background is not a property map, so we should clear the background
+            controlImpl.ClearBackground();
+          }
+          break;
+        }
       }
     }
   }
@@ -411,27 +324,19 @@ public:
 
         case Toolkit::Control::Property::BACKGROUND_COLOR:
         {
+          DALI_LOG_WARNING( "BACKGROUND_COLOR property is deprecated. Use BACKGROUND property instead\n" );
           value = controlImpl.GetBackgroundColor();
           break;
         }
 
         case Toolkit::Control::Property::BACKGROUND_IMAGE:
         {
+          DALI_LOG_WARNING( "BACKGROUND_IMAGE property is deprecated. Use BACKGROUND property instead\n" );
           Property::Map map;
-
-          Background* back = controlImpl.mImpl->mBackground;
-          if( back )
+          if( controlImpl.mImpl->mBackgroundRenderer )
           {
-            ImageActor imageActor = ImageActor::DownCast( back->actor );
-            if ( imageActor )
-            {
-              Image image = imageActor.GetImage();
-              Property::Map imageMap;
-              Scripting::CreatePropertyMap( image, imageMap );
-              map[ "image" ] = imageMap;
-            }
+            controlImpl.mImpl->mBackgroundRenderer.CreatePropertyMap( map );
           }
-
           value = map;
           break;
         }
@@ -441,6 +346,19 @@ public:
           value = controlImpl.HasKeyInputFocus();
           break;
         }
+
+        case Toolkit::Control::Property::BACKGROUND:
+        {
+          Property::Map map;
+          if( controlImpl.mImpl->mBackgroundRenderer )
+          {
+            (controlImpl.mImpl->mBackgroundRenderer).CreatePropertyMap( map );
+          }
+
+          value = map;
+          break;
+        }
+
       }
     }
 
@@ -451,7 +369,7 @@ public:
 
   Control& mControlImpl;
   std::string mStyleName;
-  Background* mBackground;           ///< Only create the background if we use it
+  Toolkit::ControlRenderer mBackgroundRenderer;   ///< The control renderer to render the background
   Vector3* mStartingPinchScale;      ///< The scale when a pinch gesture starts, TODO: consider removing this
   Toolkit::Control::KeyEventSignalType mKeyEventSignal;
   Toolkit::Control::KeyInputFocusSignalType mKeyInputFocusGainedSignal;
@@ -466,19 +384,22 @@ public:
   ControlBehaviour mFlags :CONTROL_BEHAVIOUR_FLAG_COUNT;    ///< Flags passed in from constructor.
   bool mIsKeyboardNavigationSupported :1;  ///< Stores whether keyboard navigation is supported by the control.
   bool mIsKeyboardFocusGroup :1;           ///< Stores whether the control is a focus group.
+  bool mAddRemoveBackgroundChild:1;        ///< Flag to know when we are adding or removing our own actor to avoid call to OnControlChildAdd
 
   // Properties - these need to be members of Internal::Control::Impl as they need to function within this class.
-  static PropertyRegistration PROPERTY_1;
-  static PropertyRegistration PROPERTY_2;
-  static PropertyRegistration PROPERTY_3;
-  static PropertyRegistration PROPERTY_4;
+  static const PropertyRegistration PROPERTY_1;
+  static const PropertyRegistration PROPERTY_2;
+  static const PropertyRegistration PROPERTY_3;
+  static const PropertyRegistration PROPERTY_4;
+  static const PropertyRegistration PROPERTY_5;
 };
 
 // Properties registered without macro to use specific member variables.
-PropertyRegistration Control::Impl::PROPERTY_1( typeRegistration, "style-name",       Toolkit::Control::Property::STYLE_NAME,       Property::STRING,  &Control::Impl::SetProperty, &Control::Impl::GetProperty );
-PropertyRegistration Control::Impl::PROPERTY_2( typeRegistration, "background-color", Toolkit::Control::Property::BACKGROUND_COLOR, Property::VECTOR4, &Control::Impl::SetProperty, &Control::Impl::GetProperty );
-PropertyRegistration Control::Impl::PROPERTY_3( typeRegistration, "background-image", Toolkit::Control::Property::BACKGROUND_IMAGE, Property::MAP,     &Control::Impl::SetProperty, &Control::Impl::GetProperty );
-PropertyRegistration Control::Impl::PROPERTY_4( typeRegistration, "key-input-focus",  Toolkit::Control::Property::KEY_INPUT_FOCUS,  Property::BOOLEAN, &Control::Impl::SetProperty, &Control::Impl::GetProperty );
+const PropertyRegistration Control::Impl::PROPERTY_1( typeRegistration, "styleName",       Toolkit::Control::Property::STYLE_NAME,       Property::STRING,  &Control::Impl::SetProperty, &Control::Impl::GetProperty );
+const PropertyRegistration Control::Impl::PROPERTY_2( typeRegistration, "backgroundColor", Toolkit::Control::Property::BACKGROUND_COLOR, Property::VECTOR4, &Control::Impl::SetProperty, &Control::Impl::GetProperty );
+const PropertyRegistration Control::Impl::PROPERTY_3( typeRegistration, "backgroundImage", Toolkit::Control::Property::BACKGROUND_IMAGE, Property::MAP,     &Control::Impl::SetProperty, &Control::Impl::GetProperty );
+const PropertyRegistration Control::Impl::PROPERTY_4( typeRegistration, "keyInputFocus",   Toolkit::Control::Property::KEY_INPUT_FOCUS,  Property::BOOLEAN, &Control::Impl::SetProperty, &Control::Impl::GetProperty );
+const PropertyRegistration Control::Impl::PROPERTY_5( typeRegistration, "background",      Toolkit::Control::Property::BACKGROUND,       Property::MAP,     &Control::Impl::SetProperty, &Control::Impl::GetProperty );
 
 Toolkit::Control Control::New()
 {
@@ -506,9 +427,12 @@ void Control::SetStyleName( const std::string& styleName )
   {
     mImpl->mStyleName = styleName;
 
-    // Apply new style
+    // Apply new style, if stylemanager is available
     Toolkit::StyleManager styleManager = Toolkit::StyleManager::Get();
-    GetImpl( styleManager ).ApplyThemeStyle( Toolkit::Control( GetOwner() ) );
+    if( styleManager )
+    {
+      GetImpl( styleManager ).ApplyThemeStyle( Toolkit::Control( GetOwner() ) );
+    }
   }
 }
 
@@ -519,66 +443,54 @@ const std::string& Control::GetStyleName() const
 
 void Control::SetBackgroundColor( const Vector4& color )
 {
-  Background& background( mImpl->GetBackground() );
-
-  if ( background.actor )
-  {
-    // Just set the actor color
-    background.actor.SetColor( color );
-  }
-  else
-  {
-    // Create Mesh Actor
-    MeshActor meshActor = MeshActor::New( CreateMesh() );
-
-    SetupBackgroundActorConstrained( meshActor, Actor::Property::SCALE, color );
-
-    // Set the background actor before adding so that we do not inform deriving classes
-    background.actor = meshActor;
-    Self().Add( meshActor );
-  }
-
-  background.color = color;
+  Actor self( Self() );
+  Toolkit::RendererFactory factory = Toolkit::RendererFactory::Get();
+  factory.ResetRenderer( mImpl->mBackgroundRenderer, self, color );
+  mImpl->mBackgroundRenderer.SetDepthIndex( DepthIndex::BACKGROUND );
 }
 
 Vector4 Control::GetBackgroundColor() const
 {
-  if ( mImpl->mBackground )
+  if( mImpl->mBackgroundRenderer && ( &typeid( GetImplementation(mImpl->mBackgroundRenderer) ) == &typeid( ColorRenderer ) ) )
   {
-    return mImpl->mBackground->color;
+     Property::Map map;
+     mImpl->mBackgroundRenderer.CreatePropertyMap( map );
+     const Property::Value* colorValue = map.Find( COLOR_RENDERER_COLOR_NAME );
+     Vector4 color;
+     if( colorValue && colorValue->Get(color))
+     {
+       return color;
+     }
   }
+
   return Color::TRANSPARENT;
 }
 
-void Control::SetBackgroundImage( Image image )
+void Control::SetBackground(const Property::Map& map)
 {
-  Background& background( mImpl->GetBackground() );
-
-  if ( background.actor )
+  Actor self( Self() );
+  mImpl->mBackgroundRenderer.RemoveAndReset( self );
+  Toolkit::RendererFactory factory = Toolkit::RendererFactory::Get();
+  mImpl->mBackgroundRenderer = factory.GetControlRenderer( map );
+  if( mImpl->mBackgroundRenderer  && self.OnStage() ) // Request control renderer with a property map might return an empty handle
   {
-    // Remove Current actor, unset AFTER removal so that we do not inform deriving classes
-    Self().Remove( background.actor );
-    background.actor.Reset();
+    mImpl->mBackgroundRenderer.SetDepthIndex( DepthIndex::BACKGROUND );
+    mImpl->mBackgroundRenderer.SetOnStage( self );
   }
+}
 
-  ImageActor imageActor = ImageActor::New( image );
-  SetupBackgroundActor( imageActor, background.color );
-
-  // Set the background actor before adding so that we do not inform derived classes
-  background.actor = imageActor;
-  Self().Add( imageActor );
+void Control::SetBackgroundImage( Image image )
+{
+  Actor self( Self() );
+  Toolkit::RendererFactory factory = Toolkit::RendererFactory::Get();
+  factory.ResetRenderer( mImpl->mBackgroundRenderer, self, image );
+  mImpl->mBackgroundRenderer.SetDepthIndex( DepthIndex::BACKGROUND );
 }
 
 void Control::ClearBackground()
 {
-  if ( mImpl->mBackground )
-  {
-    Background& background( mImpl->GetBackground() );
-    Self().Remove( background.actor );
-
-    delete mImpl->mBackground;
-    mImpl->mBackground = NULL;
-  }
+  Actor self( Self() );
+  mImpl->mBackgroundRenderer.RemoveAndReset( self );
 }
 
 void Control::EnableGestureDetection(Gesture::Type type)
@@ -714,11 +626,22 @@ void Control::AccessibilityActivate()
   OnAccessibilityActivated();
 }
 
+void Control::KeyboardEnter()
+{
+  // Inform deriving classes
+  OnKeyboardEnter();
+}
+
 bool Control::OnAccessibilityActivated()
 {
   return false; // Accessibility activation is not handled by default
 }
 
+bool Control::OnKeyboardEnter()
+{
+  return false; // Keyboard enter is not handled by default
+}
+
 bool Control::OnAccessibilityPan(PanGesture gesture)
 {
   return false; // Accessibility pan gesture is not handled by default
@@ -734,6 +657,11 @@ bool Control::OnAccessibilityValueChange(bool isIncrease)
   return false; // Accessibility value change action is not handled by default
 }
 
+bool Control::OnAccessibilityZoom()
+{
+  return false; // Accessibility zoom action is not handled by default
+}
+
 Actor Control::GetNextKeyboardFocusableActor(Actor currentFocusedActor, Toolkit::Control::KeyboardFocus::Direction direction, bool loopEnabled)
 {
   return Actor();
@@ -789,24 +717,27 @@ Control::Control( ControlBehaviour behaviourFlags )
 
 void Control::Initialize()
 {
+  // Call deriving classes so initialised before styling is applied to them.
+  OnInitialize();
+
   if( mImpl->mFlags & REQUIRES_STYLE_CHANGE_SIGNALS )
   {
     Toolkit::StyleManager styleManager = Toolkit::StyleManager::Get();
+    // if stylemanager is available
+    if( styleManager )
+    {
+      // Register for style changes
+      styleManager.StyleChangeSignal().Connect( this, &Control::OnStyleChange );
 
-    // Register for style changes
-    styleManager.StyleChangeSignal().Connect( this, &Control::OnStyleChange );
-
-    // SetTheme
-    GetImpl( styleManager ).ApplyThemeStyle( Toolkit::Control( GetOwner() ) );
+      // Apply the current style
+      GetImpl( styleManager ).ApplyThemeStyleAtInit( Toolkit::Control( GetOwner() ) );
+    }
   }
 
   if( mImpl->mFlags & REQUIRES_KEYBOARD_NAVIGATION_SUPPORT )
   {
     SetKeyboardNavigationSupport( true );
   }
-
-  // Calling deriving classes
-  OnInitialize();
 }
 
 void Control::OnInitialize()
@@ -824,7 +755,7 @@ void Control::OnControlChildRemove( Actor& child )
 void Control::OnStyleChange( Toolkit::StyleManager styleManager, StyleChange::Type change )
 {
   // By default the control is only interested in theme (not font) changes
-  if( change == StyleChange::THEME_CHANGE )
+  if( styleManager && change == StyleChange::THEME_CHANGE )
   {
     GetImpl( styleManager ).ApplyThemeStyle( Toolkit::Control( GetOwner() ) );
   }
@@ -864,11 +795,11 @@ void Control::EmitKeyInputFocusSignal( bool focusGained )
 
   if ( focusGained )
   {
-     // signals are allocated dynamically when someone connects
-     if ( !mImpl->mKeyInputFocusGainedSignal.Empty() )
-     {
+    // signals are allocated dynamically when someone connects
+    if ( !mImpl->mKeyInputFocusGainedSignal.Empty() )
+    {
       mImpl->mKeyInputFocusGainedSignal.Emit( handle );
-     }
+    }
   }
   else
   {
@@ -880,12 +811,22 @@ void Control::EmitKeyInputFocusSignal( bool focusGained )
   }
 }
 
-void Control::OnStageConnection()
+void Control::OnStageConnection( int depth )
 {
+  if( mImpl->mBackgroundRenderer)
+  {
+    Actor self( Self() );
+    mImpl->mBackgroundRenderer.SetOnStage( self );
+  }
 }
 
 void Control::OnStageDisconnection()
 {
+  if( mImpl->mBackgroundRenderer )
+  {
+    Actor self( Self() );
+    mImpl->mBackgroundRenderer.SetOffStage( self );
+  }
 }
 
 void Control::OnKeyInputFocusGained()
@@ -900,8 +841,8 @@ void Control::OnKeyInputFocusLost()
 
 void Control::OnChildAdd(Actor& child)
 {
-  // If this is the background actor, then we do not want to relayout or inform deriving classes
-  if ( mImpl->mBackground && ( child == mImpl->mBackground->actor ) )
+  // If this is the background actor, then we do not want to inform deriving classes
+  if ( mImpl->mAddRemoveBackgroundChild )
   {
     return;
   }
@@ -912,8 +853,8 @@ void Control::OnChildAdd(Actor& child)
 
 void Control::OnChildRemove(Actor& child)
 {
-  // If this is the background actor, then we do not want to relayout or inform deriving classes
-  if ( mImpl->mBackground && ( child == mImpl->mBackground->actor ) )
+  // If this is the background actor, then we do not want to inform deriving classes
+  if ( mImpl->mAddRemoveBackgroundChild )
   {
     return;
   }
@@ -966,15 +907,13 @@ void Control::OnSetResizePolicy( ResizePolicy::Type policy, Dimension::Type dime
 
 Vector3 Control::GetNaturalSize()
 {
-  if( mImpl->mBackground )
+  if( mImpl->mBackgroundRenderer )
   {
-    Actor actor = mImpl->mBackground->actor;
-    if( actor )
-    {
-      return actor.GetNaturalSize();
-    }
+    Vector2 naturalSize;
+    mImpl->mBackgroundRenderer.GetNaturalSize(naturalSize);
+    return Vector3(naturalSize);
   }
-  return Vector3();
+  return Vector3::ZERO;
 }
 
 float Control::CalculateChildSize( const Dali::Actor& child, Dimension::Type dimension )
@@ -984,27 +923,11 @@ float Control::CalculateChildSize( const Dali::Actor& child, Dimension::Type dim
 
 float Control::GetHeightForWidth( float width )
 {
-  if( mImpl->mBackground )
-  {
-    Actor actor = mImpl->mBackground->actor;
-    if( actor )
-    {
-      return actor.GetHeightForWidth( width );
-    }
-  }
   return GetHeightForWidthBase( width );
 }
 
 float Control::GetWidthForHeight( float height )
 {
-  if( mImpl->mBackground )
-  {
-    Actor actor = mImpl->mBackground->actor;
-    if( actor )
-    {
-      return actor.GetWidthForHeight( height );
-    }
-  }
   return GetWidthForHeightBase( height );
 }