Merge "TextSelectionPopup to show Paste in data in Clipboard" into devel/master
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / text / decorator / text-decorator.cpp
index e92866b..7934b6f 100644 (file)
@@ -75,13 +75,17 @@ namespace
 
 const char* DEFAULT_GRAB_HANDLE_IMAGE_RELEASED( DALI_IMAGE_DIR "insertpoint-icon.png" );
 const char* DEFAULT_GRAB_HANDLE_IMAGE_PRESSED( DALI_IMAGE_DIR "insertpoint-icon-pressed.png" );
-const char* DEFAULT_SELECTION_HANDLE_ONE( DALI_IMAGE_DIR "text-input-selection-handle-left.png" );
-const char* DEFAULT_SELECTION_HANDLE_TWO( DALI_IMAGE_DIR "text-input-selection-handle-right.png" );
+const char* DEFAULT_SELECTION_HANDLE_ONE_RELEASED( DALI_IMAGE_DIR "text-input-selection-handle-left.png" );
+const char* DEFAULT_SELECTION_HANDLE_ONE_PRESSED( DALI_IMAGE_DIR "text-input-selection-handle-left-press.png" );
+const char* DEFAULT_SELECTION_HANDLE_TWO_RELEASED( DALI_IMAGE_DIR "text-input-selection-handle-right.png" );
+const char* DEFAULT_SELECTION_HANDLE_TWO_PRESSED( DALI_IMAGE_DIR "text-input-selection-handle-right-press.png" );
+
+const int DEFAULT_POPUP_OFFSET( -100.0f ); // Vertical offset of Popup from cursor or handles position.
 
 const Dali::Vector3 DEFAULT_GRAB_HANDLE_RELATIVE_SIZE( 1.5f, 2.0f, 1.0f );
 const Dali::Vector3 DEFAULT_SELECTION_HANDLE_RELATIVE_SIZE( 1.5f, 1.5f, 1.0f );
 
-const Dali::Vector4 LIGHT_BLUE( 0.07f, 0.41f, 0.59f, 1.0f ); // The text highlight color.
+const Dali::Vector4 LIGHT_BLUE( (0xb2 / 255.0f), (0xeb / 255.0f), (0xf2 / 255.0f), 0.5f ); // The text highlight color.
 
 const unsigned int CURSOR_BLINK_INTERVAL = 500u; // Cursor blink interval
 const float TO_MILLISECONDS = 1000.f;
@@ -193,6 +197,7 @@ struct Decorator::Impl : public ConnectionTracker
       grabDisplacementY( 0.f ),
       active( false ),
       visible( false ),
+      pressed( false ),
       flipped( false )
     {
     }
@@ -206,12 +211,28 @@ struct Decorator::Impl : public ConnectionTracker
     float grabDisplacementY;
     bool active  : 1;
     bool visible : 1;
+    bool pressed : 1;
     bool flipped : 1;
   };
 
-  Impl( Dali::Toolkit::Internal::Control& parent, Observer& observer )
-  : mTextControlParent( parent ),
-    mObserver( observer ),
+  struct PopupImpl
+  {
+    PopupImpl()
+    : position(),
+      offset( DEFAULT_POPUP_OFFSET )
+    {
+    }
+
+    TextSelectionPopup actor;
+    Vector3 position;
+    int offset;
+  };
+
+  Impl( ControllerInterface& controller,
+        TextSelectionPopupCallbackInterface& callbackInterface )
+  : mController( controller ),
+    mEnabledPopupButtons( TextSelectionPopup::NONE ),
+    mTextSelectionPopupCallbackInterface( callbackInterface ),
     mBoundingBox( Rect<int>() ),
     mHighlightColor( LIGHT_BLUE ),
     mActiveCursor( ACTIVE_CURSOR_NONE ),
@@ -225,7 +246,8 @@ struct Decorator::Impl : public ConnectionTracker
     mActiveCopyPastePopup( false ),
     mCursorBlinkStatus( true ),
     mPrimaryCursorVisible( false ),
-    mSecondaryCursorVisible( false )
+    mSecondaryCursorVisible( false ),
+    mSwapSelectionHandles( false )
   {
   }
 
@@ -319,15 +341,55 @@ struct Decorator::Impl : public ConnectionTracker
     HandleImpl& secondary = mHandle[ RIGHT_SELECTION_HANDLE ];
     if( primary.active || secondary.active )
     {
-      SetupTouchEvents();
+      Vector2 primaryPosition = primary.position;
+      Vector2 secondaryPosition = secondary.position;
 
-      CreateSelectionHandles();
+      if( LEFT_SELECTION_HANDLE == mHandleScrolling )
+      {
+        if( mScrollDirection == SCROLL_RIGHT )
+        {
+          primaryPosition.x = 0.f;
+        }
+        else
+        {
+          primaryPosition.x = size.width;
+        }
+      }
+      else if( RIGHT_SELECTION_HANDLE == mHandleScrolling )
+      {
+        if( mScrollDirection == SCROLL_RIGHT )
+        {
+          secondaryPosition.x = 0.f;
+        }
+        else
+        {
+          secondaryPosition.x = size.width;
+        }
+      }
 
-      primary.actor.SetPosition( primary.position.x,
-                                 primary.position.y + primary.lineHeight );
+      const bool isPrimaryVisible = ( primaryPosition.x <= size.width ) && ( primaryPosition.x >= 0.f );
+      const bool isSecondaryVisible = ( secondaryPosition.x <= size.width ) && ( secondaryPosition.x >= 0.f );
+
+      if( isPrimaryVisible || isSecondaryVisible )
+      {
+        SetupTouchEvents();
+
+        CreateSelectionHandles();
+
+        if( isPrimaryVisible )
+        {
+          primary.actor.SetPosition( primaryPosition.x,
+                                     primaryPosition.y + primary.lineHeight );
+        }
 
-      secondary.actor.SetPosition( secondary.position.x,
-                                   secondary.position.y + secondary.lineHeight );
+        if( isSecondaryVisible )
+        {
+          secondary.actor.SetPosition( secondaryPosition.x,
+                                       secondaryPosition.y + secondary.lineHeight );
+        }
+      }
+      primary.actor.SetVisible( isPrimaryVisible );
+      secondary.actor.SetVisible( isSecondaryVisible );
 
       CreateHighlight();
       UpdateHighlight();
@@ -341,22 +403,24 @@ struct Decorator::Impl : public ConnectionTracker
 
     if ( mActiveCopyPastePopup )
     {
-      if ( !mCopyPastePopup )
+      // todo Swap UnparentAndReset for DeterminePositionPopup() if mCopyPastePopup.actor valid Once the issue with the labels disappearing is fixed.
+      UnparentAndReset( mCopyPastePopup.actor );
+      if ( !mCopyPastePopup.actor )
       {
-        mCopyPastePopup = TextSelectionPopup::New();
+        mCopyPastePopup.actor = TextSelectionPopup::New( mEnabledPopupButtons, &mTextSelectionPopupCallbackInterface );
 #ifdef DECORATOR_DEBUG
-        mCopyPastePopup.SetName("mCopyPastePopup");
+        mCopyPastePopup.actor.SetName("mCopyPastePopup");
 #endif
-        mCopyPastePopup.SetAnchorPoint( AnchorPoint::CENTER );
-        mCopyPastePopup.OnRelayoutSignal().Connect( this,  &Decorator::Impl::PopUpRelayoutComplete  ); // Position popup after size negotiation
-        mActiveLayer.Add ( mCopyPastePopup );
+        mCopyPastePopup.actor.SetAnchorPoint( AnchorPoint::CENTER );
+        mCopyPastePopup.actor.OnRelayoutSignal().Connect( this,  &Decorator::Impl::PopupRelayoutComplete  ); // Position popup after size negotiation
+        mActiveLayer.Add ( mCopyPastePopup.actor );
       }
     }
     else
     {
-     if ( mCopyPastePopup )
+     if ( mCopyPastePopup.actor )
      {
-       UnparentAndReset( mCopyPastePopup );
+       UnparentAndReset( mCopyPastePopup.actor );
      }
     }
   }
@@ -368,25 +432,46 @@ struct Decorator::Impl : public ConnectionTracker
     mHandle[ GRAB_HANDLE ].position += scrollOffset;
     mHandle[ LEFT_SELECTION_HANDLE ].position += scrollOffset;
     mHandle[ RIGHT_SELECTION_HANDLE ].position += scrollOffset;
-
-    // TODO Highlight box??
+    mHighlightPosition += scrollOffset;
   }
 
-  void PopUpRelayoutComplete( Actor actor )
+  void DeterminePositionPopup()
   {
-    // Size negotiation for CopyPastePopup complete so can get the size and constrain position within bounding box.
+    if ( !mActiveCopyPastePopup )
+    {
+      return;
+    }
+
+    if ( mHandle[LEFT_SELECTION_HANDLE].active || mHandle[RIGHT_SELECTION_HANDLE].active )
+    {
+      float minHandleXPosition = std::min (  mHandle[LEFT_SELECTION_HANDLE].position.x, mHandle[RIGHT_SELECTION_HANDLE].position.x );
+      float maxHandleXPosition = std::max (  mHandle[LEFT_SELECTION_HANDLE].position.x, mHandle[RIGHT_SELECTION_HANDLE].position.x );
 
-    mCopyPastePopup.OnRelayoutSignal().Disconnect( this, &Decorator::Impl::PopUpRelayoutComplete  );
+      float minHandleYPosition = std::min (  mHandle[LEFT_SELECTION_HANDLE].position.y, mHandle[RIGHT_SELECTION_HANDLE].position.y );
 
-    Vector3 popupPosition( mCursor[PRIMARY_CURSOR].position.x, mCursor[PRIMARY_CURSOR].position.y -100.0f , 0.0f); //todo 100 to be an offset Property
+      mCopyPastePopup.position.x = minHandleXPosition + ( ( maxHandleXPosition - minHandleXPosition ) *0.5f );
+      mCopyPastePopup.position.y = minHandleYPosition + mCopyPastePopup.offset;
+    }
+    else
+    {
+      mCopyPastePopup.position = Vector3( mCursor[PRIMARY_CURSOR].position.x, mCursor[PRIMARY_CURSOR].position.y -100.0f , 0.0f ); //todo 100 to be an offset Property
+    }
 
-    Vector3 popupSize = Vector3( mCopyPastePopup.GetRelayoutSize( Dimension::WIDTH ), mCopyPastePopup.GetRelayoutSize( Dimension::HEIGHT ), 0.0f );
+    Vector3 popupSize = Vector3( mCopyPastePopup.actor.GetRelayoutSize( Dimension::WIDTH ), mCopyPastePopup.actor.GetRelayoutSize( Dimension::HEIGHT ), 0.0f );
 
-    GetConstrainedPopupPosition( popupPosition, popupSize, AnchorPoint::CENTER, mActiveLayer, mBoundingBox );
+    GetConstrainedPopupPosition( mCopyPastePopup.position, popupSize, AnchorPoint::CENTER, mActiveLayer, mBoundingBox );
 
-    SetUpPopUpPositionNotifications();
+    SetUpPopupPositionNotifications();
 
-    mCopyPastePopup.SetPosition( popupPosition ); //todo grabhandle(cursor) or selection handle positions to be used
+    mCopyPastePopup.actor.SetPosition( mCopyPastePopup.position );
+  }
+
+  void PopupRelayoutComplete( Actor actor )
+  {
+    // Size negotiation for CopyPastePopup complete so can get the size and constrain position within bounding box.
+    mCopyPastePopup.actor.OnRelayoutSignal().Disconnect( this, &Decorator::Impl::PopupRelayoutComplete  );
+
+    DeterminePositionPopup();
   }
 
   void CreateCursor( ImageActor& cursor, const Vector4& color )
@@ -474,8 +559,6 @@ struct Decorator::Impl : public ConnectionTracker
   {
     if( !mActiveLayer )
     {
-      Actor parent = mTextControlParent.Self();
-
       mActiveLayer = Layer::New();
 #ifdef DECORATOR_DEBUG
       mActiveLayer.SetName ( "ActiveLayerActor" );
@@ -485,7 +568,8 @@ struct Decorator::Impl : public ConnectionTracker
       mActiveLayer.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
       mActiveLayer.SetPositionInheritanceMode( USE_PARENT_POSITION );
 
-      parent.Add( mActiveLayer );
+      // Add the active layer telling the controller it doesn't need clipping.
+      mController.AddDecoration( mActiveLayer, false );
     }
 
     mActiveLayer.RaiseToTop();
@@ -546,7 +630,11 @@ struct Decorator::Impl : public ConnectionTracker
     {
       if( !mHandleImages[LEFT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED] )
       {
-        mHandleImages[LEFT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED] = ResourceImage::New( DEFAULT_SELECTION_HANDLE_ONE );
+        mHandleImages[LEFT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED] = ResourceImage::New( DEFAULT_SELECTION_HANDLE_ONE_RELEASED );
+      }
+      if( !mHandleImages[LEFT_SELECTION_HANDLE][HANDLE_IMAGE_PRESSED] )
+      {
+        mHandleImages[LEFT_SELECTION_HANDLE][HANDLE_IMAGE_PRESSED] = ResourceImage::New( DEFAULT_SELECTION_HANDLE_ONE_PRESSED );
       }
 
       primary.actor = ImageActor::New( mHandleImages[LEFT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED] );
@@ -578,7 +666,11 @@ struct Decorator::Impl : public ConnectionTracker
     {
       if( !mHandleImages[RIGHT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED] )
       {
-        mHandleImages[RIGHT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED] = ResourceImage::New( DEFAULT_SELECTION_HANDLE_TWO );
+        mHandleImages[RIGHT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED] = ResourceImage::New( DEFAULT_SELECTION_HANDLE_TWO_RELEASED );
+      }
+      if( !mHandleImages[RIGHT_SELECTION_HANDLE][HANDLE_IMAGE_PRESSED] )
+      {
+        mHandleImages[RIGHT_SELECTION_HANDLE][HANDLE_IMAGE_PRESSED] = ResourceImage::New( DEFAULT_SELECTION_HANDLE_TWO_PRESSED );
       }
 
       secondary.actor = ImageActor::New( mHandleImages[RIGHT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED] );
@@ -623,11 +715,12 @@ struct Decorator::Impl : public ConnectionTracker
       mHighlightMeshActor.SetName( "HighlightMeshActor" );
 #endif
       mHighlightMeshActor.SetAnchorPoint( AnchorPoint::TOP_LEFT );
-      mHighlightMeshActor.SetPosition( 0.0f, 0.0f, DISPLAYED_HIGHLIGHT_Z_OFFSET );
 
-      Actor parent = mTextControlParent.Self();
-      parent.Add( mHighlightMeshActor );
+      // Add the highlight box telling the controller it needs clipping.
+      mController.AddDecoration( mHighlightMeshActor, true );
     }
+
+    mHighlightMeshActor.SetPosition( mHighlightPosition.x, mHighlightPosition.y, DISPLAYED_HIGHLIGHT_Z_OFFSET );
   }
 
   void UpdateHighlight()
@@ -746,13 +839,16 @@ struct Decorator::Impl : public ConnectionTracker
     if( Gesture::Started    == gesture.state ||
         Gesture::Continuing == gesture.state )
     {
+      Vector2 targetSize;
+      mController.GetTargetSize( targetSize );
+
       if( x < mScrollThreshold )
       {
         mScrollDirection = SCROLL_RIGHT;
         mHandleScrolling = type;
         StartScrollTimer();
       }
-      else if( x > mTextControlParent.Self().GetTargetSize().width - mScrollThreshold )
+      else if( x > targetSize.width - mScrollThreshold )
       {
         mScrollDirection = SCROLL_LEFT;
         mHandleScrolling = type;
@@ -762,7 +858,7 @@ struct Decorator::Impl : public ConnectionTracker
       {
         mHandleScrolling = HANDLE_TYPE_COUNT;
         StopScrollTimer();
-        mObserver.HandleEvent( type, HANDLE_PRESSED, x, y );
+        mController.DecorationEvent( type, HANDLE_PRESSED, x, y );
       }
     }
     else if( Gesture::Finished  == gesture.state ||
@@ -772,13 +868,29 @@ struct Decorator::Impl : public ConnectionTracker
       {
         mHandleScrolling = HANDLE_TYPE_COUNT;
         StopScrollTimer();
-        mObserver.HandleEvent( type, HANDLE_STOP_SCROLLING, x, y );
+        mController.DecorationEvent( type, HANDLE_STOP_SCROLLING, x, y );
+      }
+      else
+      {
+        mController.DecorationEvent( type, HANDLE_RELEASED, x, y );
+      }
+
+      if( GRAB_HANDLE == type )
+      {
+        handle.actor.SetImage( mHandleImages[type][HANDLE_IMAGE_RELEASED] );
       }
       else
       {
-        mObserver.HandleEvent( type, HANDLE_RELEASED, x, y );
+        HandleType selectionHandleType = type;
+
+        if( mSwapSelectionHandles != handle.flipped )
+        {
+          selectionHandleType = ( LEFT_SELECTION_HANDLE == type ) ? RIGHT_SELECTION_HANDLE : LEFT_SELECTION_HANDLE;
+        }
+
+        handle.actor.SetImage( mHandleImages[selectionHandleType][HANDLE_IMAGE_RELEASED] );
       }
-      handle.actor.SetImage( mHandleImages[type][HANDLE_IMAGE_RELEASED] );
+      handle.pressed = false;
     }
   }
 
@@ -810,15 +922,23 @@ struct Decorator::Impl : public ConnectionTracker
     {
       const TouchPoint& point = event.GetPoint(0);
 
-      if( TouchPoint::Down == point.state &&
-          mHandleImages[GRAB_HANDLE][HANDLE_IMAGE_PRESSED] )
+      if( TouchPoint::Down == point.state )
       {
-        mHandle[GRAB_HANDLE].actor.SetImage( mHandleImages[GRAB_HANDLE][HANDLE_IMAGE_PRESSED] );
+        mHandle[GRAB_HANDLE].pressed = true;
+        Image imagePressed = mHandleImages[GRAB_HANDLE][HANDLE_IMAGE_PRESSED];
+        if( imagePressed )
+        {
+          mHandle[GRAB_HANDLE].actor.SetImage( imagePressed );
+        }
       }
-      else if( TouchPoint::Up == point.state &&
-               mHandleImages[GRAB_HANDLE][HANDLE_IMAGE_RELEASED] )
+      else if( TouchPoint::Up == point.state )
       {
-        mHandle[GRAB_HANDLE].actor.SetImage( mHandleImages[GRAB_HANDLE][HANDLE_IMAGE_RELEASED] );
+        mHandle[GRAB_HANDLE].pressed = false;
+        Image imageReleased = mHandleImages[GRAB_HANDLE][HANDLE_IMAGE_RELEASED];
+        if( imageReleased )
+        {
+          mHandle[GRAB_HANDLE].actor.SetImage( imageReleased );
+        }
       }
     }
 
@@ -826,16 +946,68 @@ struct Decorator::Impl : public ConnectionTracker
     return true;
   }
 
-  bool OnHandleOneTouched( Actor actor, const TouchEvent& touch )
+  bool OnHandleOneTouched( Actor actor, const TouchEvent& event )
   {
-    // TODO
+    // Switch between pressed/release selection handle images
+    if( event.GetPointCount() > 0 &&
+        mHandle[LEFT_SELECTION_HANDLE].actor )
+    {
+      const TouchPoint& point = event.GetPoint(0);
+
+      const bool flip = mSwapSelectionHandles != mHandle[LEFT_SELECTION_HANDLE].flipped;
+      if( TouchPoint::Down == point.state )
+      {
+        mHandle[LEFT_SELECTION_HANDLE].pressed = true;
+        Image imagePressed = mHandleImages[flip ? RIGHT_SELECTION_HANDLE : LEFT_SELECTION_HANDLE][HANDLE_IMAGE_PRESSED];
+        if( imagePressed )
+        {
+          mHandle[LEFT_SELECTION_HANDLE].actor.SetImage( imagePressed );
+        }
+      }
+      else if( TouchPoint::Up == point.state )
+      {
+        mHandle[LEFT_SELECTION_HANDLE].pressed = false;
+        Image imageReleased = mHandleImages[flip ? RIGHT_SELECTION_HANDLE : LEFT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED];
+        if( imageReleased )
+        {
+          mHandle[LEFT_SELECTION_HANDLE].actor.SetImage( imageReleased );
+        }
+      }
+    }
+
     // Consume to avoid pop-ups accidentally closing, when handle is outside of pop-up area
     return true;
   }
 
-  bool OnHandleTwoTouched( Actor actor, const TouchEvent& touch )
+  bool OnHandleTwoTouched( Actor actor, const TouchEvent& event )
   {
-    // TODO
+    // Switch between pressed/release selection handle images
+    if( event.GetPointCount() > 0 &&
+        mHandle[RIGHT_SELECTION_HANDLE].actor )
+    {
+      const TouchPoint& point = event.GetPoint(0);
+
+      const bool flip = mSwapSelectionHandles != mHandle[RIGHT_SELECTION_HANDLE].flipped;
+      if( TouchPoint::Down == point.state )
+      {
+        Image imagePressed = mHandleImages[flip ? LEFT_SELECTION_HANDLE : RIGHT_SELECTION_HANDLE][HANDLE_IMAGE_PRESSED];
+        mHandle[RIGHT_SELECTION_HANDLE].pressed = true;
+        if( imagePressed )
+        {
+          mHandle[RIGHT_SELECTION_HANDLE].actor.SetImage( imagePressed );
+        }
+      }
+      else if( TouchPoint::Up == point.state )
+      {
+        Image imageReleased = mHandleImages[flip ? LEFT_SELECTION_HANDLE : RIGHT_SELECTION_HANDLE][HANDLE_IMAGE_RELEASED];
+        mHandle[RIGHT_SELECTION_HANDLE].pressed = false;
+        if( imageReleased )
+        {
+          mHandle[RIGHT_SELECTION_HANDLE].actor.SetImage( imageReleased );
+        }
+      }
+    }
+
     // Consume to avoid pop-ups accidentally closing, when handle is outside of pop-up area
     return true;
   }
@@ -876,11 +1048,11 @@ struct Decorator::Impl : public ConnectionTracker
     // if can't be positioned above, then position below row.
     alternativeYPosition = AlternatePopUpPositionRelativeToCursor();
 
-    mCopyPastePopup.SetY( alternativeYPosition );
+    mCopyPastePopup.actor.SetY( alternativeYPosition );
   }
 
 
-  void SetUpPopUpPositionNotifications( )
+  void SetUpPopupPositionNotifications( )
   {
     // Note Property notifications ignore any set anchor point so conditions must allow for this.  Default is Top Left.
 
@@ -889,11 +1061,11 @@ struct Decorator::Impl : public ConnectionTracker
     Vector4 worldCoordinatesBoundingBox;
     LocalToWorldCoordinatesBoundingBox( mBoundingBox, worldCoordinatesBoundingBox );
 
-    float popupHeight = mCopyPastePopup.GetRelayoutSize( Dimension::HEIGHT);
+    float popupHeight = mCopyPastePopup.actor.GetRelayoutSize( Dimension::HEIGHT);
 
-    PropertyNotification verticalExceedNotification = mCopyPastePopup.AddPropertyNotification( Actor::Property::WORLD_POSITION_Y,
-                                                      OutsideCondition( worldCoordinatesBoundingBox.y + popupHeight/2,
-                                                                        worldCoordinatesBoundingBox.w - popupHeight/2 ) );
+    PropertyNotification verticalExceedNotification = mCopyPastePopup.actor.AddPropertyNotification( Actor::Property::WORLD_POSITION_Y,
+                                                      OutsideCondition( worldCoordinatesBoundingBox.y + popupHeight * 0.5f,
+                                                                        worldCoordinatesBoundingBox.w - popupHeight * 0.5f ) );
 
     verticalExceedNotification.NotifySignal().Connect( this, &Decorator::Impl::PopUpLeavesVerticalBoundary );
   }
@@ -930,6 +1102,34 @@ struct Decorator::Impl : public ConnectionTracker
     }
 
     requiredPopupPosition.x = requiredPopupPosition.x + xOffSetToKeepWithinBounds;
+
+    // Prevent pixel mis-alignment by rounding down.
+    requiredPopupPosition.x = static_cast<int>( requiredPopupPosition.x );
+    requiredPopupPosition.y = static_cast<int>( requiredPopupPosition.y );
+
+  }
+
+  void FlipSelectionHandleImages()
+  {
+    SetupTouchEvents();
+
+    CreateSelectionHandles();
+
+    HandleImpl& leftHandle = mHandle[LEFT_SELECTION_HANDLE];
+    HandleImpl& rightHandle = mHandle[RIGHT_SELECTION_HANDLE];
+
+    const HandleImageType leftImageType = leftHandle.pressed ? HANDLE_IMAGE_PRESSED : HANDLE_IMAGE_RELEASED;
+    const HandleImageType rightImageType = rightHandle.pressed ? HANDLE_IMAGE_PRESSED : HANDLE_IMAGE_RELEASED;
+    const bool leftFlipped = mSwapSelectionHandles != leftHandle.flipped;
+    const bool rightFlipped = mSwapSelectionHandles != rightHandle.flipped;
+
+    leftHandle.actor.SetImage( leftFlipped ? mHandleImages[RIGHT_SELECTION_HANDLE][leftImageType] : mHandleImages[LEFT_SELECTION_HANDLE][leftImageType] );
+
+    leftHandle.actor.SetAnchorPoint( leftFlipped ? AnchorPoint::TOP_LEFT : AnchorPoint::TOP_RIGHT );
+
+    rightHandle.actor.SetImage( rightFlipped ? mHandleImages[LEFT_SELECTION_HANDLE][rightImageType] : mHandleImages[RIGHT_SELECTION_HANDLE][rightImageType] );
+
+    rightHandle.actor.SetAnchorPoint( rightFlipped ? AnchorPoint::TOP_RIGHT : AnchorPoint::TOP_LEFT );
   }
 
   void SetScrollThreshold( float threshold )
@@ -992,17 +1192,16 @@ struct Decorator::Impl : public ConnectionTracker
   {
     if( HANDLE_TYPE_COUNT != mHandleScrolling )
     {
-      mObserver.HandleEvent( mHandleScrolling,
-                             HANDLE_SCROLLING,
-                             mScrollDirection == SCROLL_RIGHT ? mScrollDistance : -mScrollDistance,
-                             0.f );
+      mController.DecorationEvent( mHandleScrolling,
+                                   HANDLE_SCROLLING,
+                                   mScrollDirection == SCROLL_RIGHT ? mScrollDistance : -mScrollDistance,
+                                   0.f );
     }
 
     return true;
   }
 
-  Internal::Control&  mTextControlParent;
-  Observer&           mObserver;
+  ControllerInterface& mController;
 
   TapGestureDetector  mTapDetector;
   PanGestureDetector  mPanGestureDetector;
@@ -1013,7 +1212,10 @@ struct Decorator::Impl : public ConnectionTracker
   ImageActor          mPrimaryCursor;
   ImageActor          mSecondaryCursor;
   MeshActor           mHighlightMeshActor;        ///< Mesh Actor to display highlight
-  TextSelectionPopup  mCopyPastePopup;
+
+  PopupImpl           mCopyPastePopup;
+  TextSelectionPopup::Buttons mEnabledPopupButtons; /// Bit mask of currently enabled Popup buttons
+  TextSelectionPopupCallbackInterface& mTextSelectionPopupCallbackInterface;
 
   Image               mHandleImages[HANDLE_TYPE_COUNT][HANDLE_IMAGE_TYPE_COUNT];
   Image               mCursorImage;
@@ -1024,6 +1226,7 @@ struct Decorator::Impl : public ConnectionTracker
   CursorImpl          mCursor[CURSOR_COUNT];
   HandleImpl          mHandle[HANDLE_TYPE_COUNT];
   QuadContainer       mHighlightQuadList;         ///< Sub-selections that combine to create the complete selection highlight
+  Vector2             mHighlightPosition;         ///< The position of the highlight actor.
 
   Rect<int>           mBoundingBox;
   Vector4             mHighlightColor;            ///< Color of the highlight
@@ -1042,11 +1245,14 @@ struct Decorator::Impl : public ConnectionTracker
   bool                mCursorBlinkStatus      : 1; ///< Flag to switch between blink on and blink off.
   bool                mPrimaryCursorVisible   : 1; ///< Whether the primary cursor is visible.
   bool                mSecondaryCursorVisible : 1; ///< Whether the secondary cursor is visible.
+  bool                mSwapSelectionHandles   : 1; ///< Whether to swap the selection handle images.
 };
 
-DecoratorPtr Decorator::New( Internal::Control& parent, Observer& observer )
+DecoratorPtr Decorator::New( ControllerInterface& controller,
+                             TextSelectionPopupCallbackInterface& callbackInterface )
 {
-  return DecoratorPtr( new Decorator(parent, observer) );
+  return DecoratorPtr( new Decorator( controller,
+                                      callbackInterface ) );
 }
 
 void Decorator::SetBoundingBox( const Rect<int>& boundingBox )
@@ -1198,6 +1404,18 @@ void Decorator::GetPosition( HandleType handleType, float& x, float& y, float& h
   height = handle.lineHeight;
 }
 
+const Vector2& Decorator::GetPosition( HandleType handleType ) const
+{
+  return mImpl->mHandle[handleType].position;
+}
+
+void Decorator::SwapSelectionHandlesEnabled( bool enable )
+{
+  mImpl->mSwapSelectionHandles = enable;
+
+  mImpl->FlipSelectionHandleImages();
+}
+
 void Decorator::AddHighlight( float x1, float y1, float x2, float y2 )
 {
   mImpl->mHighlightQuadList.push_back( QuadCoordinates(x1, y1, x2, y2) );
@@ -1206,6 +1424,7 @@ void Decorator::AddHighlight( float x1, float y1, float x2, float y2 )
 void Decorator::ClearHighlights()
 {
   mImpl->mHighlightQuadList.clear();
+  mImpl->mHighlightPosition = Vector2::ZERO;
 }
 
 void Decorator::SetHighlightColor( const Vector4& color )
@@ -1228,6 +1447,16 @@ bool Decorator::IsPopupActive() const
   return mImpl->mActiveCopyPastePopup ;
 }
 
+void Decorator::SetEnabledPopupButtons( TextSelectionPopup::Buttons& enabledButtonsBitMask )
+{
+   mImpl->mEnabledPopupButtons = enabledButtonsBitMask;
+}
+
+TextSelectionPopup::Buttons& Decorator::GetEnabledPopupButtons()
+{
+  return mImpl->mEnabledPopupButtons;
+}
+
 /** Scroll **/
 
 void Decorator::SetScrollThreshold( float threshold )
@@ -1255,10 +1484,11 @@ Decorator::~Decorator()
   delete mImpl;
 }
 
-Decorator::Decorator( Dali::Toolkit::Internal::Control& parent, Observer& observer )
+Decorator::Decorator( ControllerInterface& controller,
+                      TextSelectionPopupCallbackInterface& callbackInterface )
 : mImpl( NULL )
 {
-  mImpl = new Decorator::Impl( parent, observer );
+  mImpl = new Decorator::Impl( controller, callbackInterface );
 }
 
 } // namespace Text