diff -r 000000000000 -r f72a12da539e idlehomescreen/xmluirendering/uiengine/inc/xnscrollablecontroladapter.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/xmluirendering/uiengine/inc/xnscrollablecontroladapter.h	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,231 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Scrollable control adapter
+*
+*/
+
+#ifndef __XNSCROLLABLECONTROLADAPTER_H__
+#define __XNSCROLLABLECONTROLADAPTER_H__
+
+//  INCLUDES
+#include "xncontroladapter.h"
+#include <e32base.h>
+#include <aknphysicsobserveriface.h>
+#include <coeccntx.h>
+
+// FORWARD DECLARATIONS
+class CXnNodePluginIf;
+class CXnUiEngine;
+class CXnNode;
+class CAknPhysics;
+
+
+// CLASS DECLARATION
+
+/**
+*  @ingroup group_xnlayoutengine
+*  Popup Control adapter interface class
+*  @lib xnlayoutengine.lib
+*  @since Series 60 5.0
+*/
+NONSHARABLE_CLASS( CXnScrollableControlAdapter ) : public CXnControlAdapter, 
+    public MAknPhysicsObserver, public MCoeControlContext, public MCoeControlHitTest
+	{
+	public: // Constructors and destructor
+		/**
+        * Two-phased constructor.
+        */
+		static CXnScrollableControlAdapter* NewL( CXnNodePluginIf& aNode );
+		
+        /**
+        * Destructor.
+        */
+		~CXnScrollableControlAdapter();
+         
+    private: // Functions from base classes    
+
+        /**
+        * see CCoeControl 
+        */
+        void HandlePointerEventL(const TPointerEvent& aPointerEvent);
+
+        /**
+        * see CCoeControl 
+        */
+        void Draw(const TRect& aRect) const;        
+        
+        /**
+        * see CCoeControl 
+        */
+        void SizeChanged();
+
+        /**
+        * @see CCoeControl documentation        
+        */         
+        void MakeVisible( TBool aVisible );
+
+        /**
+        * @see MCoeControlHitTest documentation        
+        */ 
+        TBool HitRegionContains( const TPoint& aPoint, const CCoeControl& aControl) const;
+
+        /**
+        * @see CXnControlAdapter documentation        
+        */ 
+        void HandleScreenDeviceChangedL();
+
+    public: // New functions
+        /**
+         * Returns Called when view position changes.
+         *
+         * @param aNewPosition New view position.
+         */
+        const TPoint DeltaPosition() const;
+
+        /**
+         * Reset state.
+         *
+         */
+        void ResetState();
+        
+        /**
+         * Scroll box so that the given node is shown.
+         *
+         */
+        void ShowItem( CXnNode& aNode );
+
+        /**
+         * Layout has changed somewhere. Act if needed.
+         *
+         */
+        void LayoutChangedL();
+        
+    public: // Functions from base classes  
+        /**
+         * From MAknPhysicsObserver.
+         * 
+         * Physics emulation has moved the view.
+         * 
+         * When this method is called client should update its visual and logical
+         * states to reflect the changes caused by view move. Note that if the
+         * parameter @c aDrawNow is @c EFalse client is not allowed to redraw the
+         * display but should only update its logical state.
+         * Physics engine will ensure that the last frame is always drawn.
+         *
+         * @since S60 v5.0
+         *
+         * @param  aNewPosition  The new position of the view.
+         * @param  aDrawNow      @c ETrue if client should redraw the screen,
+         *                       otherwise @c EFalse.
+         * @param  aFlags        Additional flags, not used currently.
+         */
+        void ViewPositionChanged( const TPoint& aNewPosition, 
+            TBool aDrawNow, TUint aFlags );
+
+        /**
+         * From MAknPhysicsObserver.
+         * Called when emulation ended.
+         */
+        void PhysicEmulationEnded();
+    
+        /**
+         * From MAknPhysicsObserver.
+         * Returns the observer view position.
+         *
+         * @return Physics observer view position.
+         */
+        TPoint ViewPosition() const;
+
+        /**
+        * see MCoeControlContext 
+        */
+        void ResetContext( CWindowGc& aGc ) const;
+
+    private: // Constructors
+		/**
+        * C++ default constructor.
+        */
+	    CXnScrollableControlAdapter( CXnNodePluginIf& aNode );
+
+	   	/**
+        * Two-phased constructor.        
+        */ 
+	    void ConstructL();	   
+	    
+    private: // New functions
+        void ReadPropertiesL();
+        void InitPhysicEngineL();
+
+    private:    // Data
+        /**
+         * UiEngine. 
+         * Not owned.
+         */
+        CXnUiEngine*        iUiEngine; 	
+
+        /**
+         * Layout node. 
+         */
+        CXnNodePluginIf&    iNode;
+        
+        /**
+         * Physics. 
+         * Own.
+         */
+        CAknPhysics*        iPhysics;
+
+        /**
+         * Pointer down start time.
+         */
+        TTime               iStartTime;
+
+        /**
+         * Start (pointer down) position.
+         */
+        TPoint              iStartPosition;
+        
+        /**
+         * Position at previous pointer event.
+         */
+        TPoint              iPreviousPosition;
+        
+        /**
+         * Current view position.
+         */
+        TPoint              iCurrentPosition;
+
+        /**
+         * View position at the beginning.
+         */
+        TPoint              iStartViewPosition;
+
+        /**
+         * Current pointer position.
+         */   
+        TPoint              iStylusPosition;
+
+        /**
+         * Visible area, i.e. area of the scollable control that is to be drawn.
+         */          
+        TRect               iViewPort;  
+
+        /**
+         * True, if layout has been changed and engine needs to be reset.
+         */          
+        TBool               iLayoutChanged;
+	};
+
+#endif // __XNSCROLLABLECONTROLADAPTER_H__
+
+// End of File