/*

* Copyright (c) 2005-2005 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:  header file of pop up window

*

*/

#ifndef C_CFEPLAYOUTPOPUPWND_H

#define C_CFEPLAYOUTPOPUPWND_H

#include <peninputlayoutctrlgroup.h>

#include <gdi.h>

/**

 *  CButtonBase

 *

 *  Button base control. This class could be used directly by user.

 *

 *  @lib feplayoutcontrol.lib

 *  @since S60 V4.0

 */

class CFepLayoutPopupWnd : public CControlGroup

    {

private:

    class CPopupWndExt : public CBase

        {

        public:

            CFbsBitmap* BackupBitmap(){ return iBitmap;}

            CFbsBitGc* BackupGc() { return iGc;}

            CFbsBitmapDevice* BackupDevice() { return iBitmapDevice;}

            void SetRect(const TRect& aRect);

            TRect Rect() { return iRect;}

            static CPopupWndExt* NewL();

            void ContructBkDeviceL(const TSize& aSize,const TDisplayMode& aMode);

            ~CPopupWndExt() 

                {

                delete iBitmapDevice;

                delete iGc;

                delete iBitmap;

                }

        private:

            void ResizeBackupDeviceL(const TSize& s);

        private:

            CFbsBitmap* iBitmap;

            CFbsBitGc* iGc;

            CFbsBitmapDevice* iBitmapDevice;

            TRect iRect;

        };

public: 

    enum TDisplayPosition

        {

        EDispAutomatic,

        EDispBottomRight,

        EDispBottomLeft,

        EDispTopLeft,

        EDispTopRight

        }; 

    //constructor and destructor

    /**

     * Destructor.        

     *

     * @since S60 V4.0        

     */                  

    IMPORT_C virtual ~CFepLayoutPopupWnd();

    /**

     * Show pop up window  

     *

     * @since S60 V4.0        

     * @param aOffset Offset of the pop up window top left position to

     *				  the top left of layout

     */                                  

    IMPORT_C void Display(const TPoint& aOffset);

    /**

     * Show pop up window  

     *

     * @since S60 V4.0        

     * @param aOffsetRect The rect of the pop up window launch 

     */                                  

    IMPORT_C void Display( const TRect& aOffsetRect );

    /**

     * Show pop up window  

     *

     * @since S60 V4.0        

     * @param aOffsetRect The rect of the pop up window launch 

     */                                  

    IMPORT_C void Display( const TRect& aOffsetRect, TDisplayPosition aDisPostion );

    /**

     * Show pop up window  

     *

     * @since S60 V4.0        

     */                                  

    IMPORT_C void CloseWindow();

    //from base control CFepUiBaseCtrl

    /**

     * From CFepUiBaseCtrl

     * Set control's rectangle

     *

     * @since S60 V4.0

     * @param aRect The new control area

     */                                       

    IMPORT_C virtual void SetRect(const TRect& aRect);

    /**

     * From CFepUiBaseCtrl

     * DeActivate popup window

     *

     * @since S60 V4.0

     */ 

    IMPORT_C virtual void OnDeActivate();

    IMPORT_C void ReDrawRect(const TRect& aRect);

    IMPORT_C void HandleResourceChange(TInt aType);

protected:

    /**

     * constructor.        

     *

     * @since S60 V4.0        

     * @param aSize The control size

     * @param aUiLayout Ui layout who contains this control.Ownership not transferred

     * @param aControlId control Id

     * @return An instance of CButtonBase class        

     */                               

    IMPORT_C CFepLayoutPopupWnd(const TSize& aSize,CFepUiLayout* aUiLayout,

                                                             TInt aControlId);

    /**

     * 2nd phase constructor.        

     *

     * @since S60 V4.0        

     */           	

	IMPORT_C void ConstructL(); 

	TDisplayPosition DeterminePosition(const TRect& aSrcRect);

	IMPORT_C virtual void AfterDisplayed();

private:

    /**

     * Do preparation for pop up window before displaying. 

     * E.g, calc and set the rect

     * It's called internally before displaying.

     *

     * @since S60 V4.0        

     */           	

	IMPORT_C virtual void OnDisplay(); 

	void DisableDrawingInGroup();

	void EnableDrawingInGroup();

private:    

	/*

	 * Flag tells whether the pop up window is shown

	 */

	TBool iIsShowing;

	/*

	 * Layout rect before pop up window displaying

	 */

	 TRect iPrevLayoutRect;	 

	/*

	 * Old sprite position

	 */

	 TPoint iPrevLayoutPos;	 	 

	/*

	 * Layout move offset

	 */

	 TPoint iLayoutMoveOff;	 	 

	/*

	 * The control which captures the pointer before

	 */	 

	 CFepUiBaseCtrl* iPreCaptureCtrl;

    /**

     * Reserved item1

     */

     TInt iReserved1;

    /**

     * Reserved item2

     */

     CPopupWndExt* iExt;

    };

#endif //C_CFEPLAYOUTPOPUPWND_H