// System includes

#include <e32base.h>

// User includes

#include "xnuistatelistener.h"

NONSHARABLE_CLASS( CXnWidgetExtensionAdapter ) : public CXnControlAdapter, 

    public MXnUiStateObserver

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:

    // from MXnUiStateObserver

    /**

     * @see MXnUiStateObserver

     */

    void NotifyForegroundChanged( TForegroundStatus aStatus );         

    /**

     * @see MXnUiStateObserver

     */    

    void NotifyLightStatusChanged( TBool aLightsOn );

    /**

     * @see MXnUiStateObserver

     */    

    void NotifyInCallStateChaged( TBool aInCall );    

private: 

    // Constructors

    /**

    * C++ default constructor.

    */

    CXnWidgetExtensionAdapter( CXnNodePluginIf& aNode );

    /**

    * Two-phased constructor.        

    */ 

    void ConstructL();	   

private: 

    // New functions

    void HidePopupL();

    void CalculatePosition();

private:    

    // Data

    /** UiEngine, not owned */

    CXnUiEngine* iUiEngine; 	    

    /** Node, not owned */ 

    CXnNodePluginIf& iNode;    

    /** Position hint */

    TPositionHint iPositionHint;    

    /** AppUi, not owned */

    CXnAppUiAdapter* iAppUiAdapter;

    /** Flag to indicate whether <popup> is permanent */

    TBool iPermanent;