/*

* 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:  Widget extension adapter

*

*/

#ifndef __XNWIDGETEXTENSIONADAPTER_H__

#define __XNWIDGETEXTENSIONADAPTER_H__

//  INCLUDES

#include "xncontroladapter.h"

#include <e32base.h>

#include "xncontroladapter.h"

// Forward declarations

class CXnAppUiAdapter;

class CXnNode;

class CXnUiEngine;

// CLASS DECLARATION

/**

*  @ingroup group_xnlayoutengine

*  Popup Control adapter interface class

*  @lib xnlayoutengine.lib

*  @since Series 60 5.0

*/

NONSHARABLE_CLASS( CXnWidgetExtensionAdapter ) : public CXnControlAdapter/*, 

    public MCoeMessageMonitorObserver*/

    {

    public: // Constructors and destructor

        enum TPositionHint

               {

               ENone,

               EAboveLeft,

               EAboveRight,

               EBelowLeft,

               EBelowRight,

               ELeft,

               ERight

               };

        /**

        * Two-phased constructor.

        */

		static CXnWidgetExtensionAdapter* NewL( CXnNodePluginIf& aNode );

        /**

        * Destructor.

        */

		~CXnWidgetExtensionAdapter();

    private: // Functions from base classes    

        /**

        * @see CCoeControl documentation        

        */         

        void MakeVisible( TBool aVisible );

        /**

        * see CCoeControl 

        */

        void HandlePointerEventL(const TPointerEvent& aPointerEvent);

        /**

        * see CCoeControl 

        */

        void Draw(const TRect& aRect) const;        

    private: // Constructors

		/**

        * C++ default constructor.

        */

	    CXnWidgetExtensionAdapter( CXnNodePluginIf& aNode );

	   	/**

        * Two-phased constructor.        

        */ 

	    void ConstructL();	   

    private: // New functions

        /**

        * Hides this control

        */ 

        void HidePopupL();

        void CalculatePosition();

    private:

        // Data

        // UiEngine, not owned

        CXnUiEngine* iUiEngine; 	

        // Node 

        CXnNodePluginIf& iNode;

        // position hint

        TPositionHint iPositionHint;

        CXnAppUiAdapter* iAppUiAdapter;

	};

#endif // __XNWIDGETEXTENSIONADAPTER_H__

// End of File