/*

* Copyright (c) 2002-2005 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:  Interface of normal button and multidisplay button

*

*/

#ifndef C_CAKNFEPCTRLDRAGBUTTON_H

#define C_CAKNFEPCTRLDRAGBUTTON_H

// system includes

#include <AknsConstants.h>

#include <AknLayout2Def.h>

#include <peninputlayoutbasecontrol.h>

#include <peninputlayoutbutton.h>

// forward declarations

class TResourceReader;

/**

 *  Basic functionality for drag button

 *  It provides creation from resource and can react according to SizeChanged Msg

 *

 *  @lib fepcommonctrls.lib

 *  @since S60 v3.2

 */

class CAknFepCtrlDragButton : public CDragBar

    {

public:  

    /**

     * Symbian constructor.

     *

     * @since S60 v3.2

     * @param aUiLayout The Ui layout

     * @param aControlId The control id

     * @return Pointer to created CAknFepCtrlDragButton object

     */

    IMPORT_C static CAknFepCtrlDragButton* NewL(CFepUiLayout* aUiLayout, TInt aControlId);

    /**

     * Symbian constructor.

     *

     * @since S60 v3.2

     * @param aUiLayout The Ui layout

     * @param aControlId The control id

     * @return Pointer to created CAknFepCtrlDragButton object

     */

    IMPORT_C static CAknFepCtrlDragButton* NewLC(CFepUiLayout* aUiLayout, TInt aControlId);

    /**

     * destructor.

     *

     * @since S60 v3.2

     * @return None

     */

    IMPORT_C virtual ~CAknFepCtrlDragButton();

    /**

     * This function creates the button from resource.

     *

     * @since S60 v3.2

     * @param aReader A Reader which is created against the AKN_FEP_BUTTON resource type

     * @return None

     */

    IMPORT_C void ConstructFromResourceL(TResourceReader& aReader);

    /**

     * This function creates button from resource, before calling 

     * this function, caller should set resource id of button first

     * 

     * @since S60 v3.2

     * @return None

     */

    IMPORT_C void ConstructFromResourceL();

    /**

     * This function handles the SizeChanged event, it resizes all images and rects

     *

     * @since S60 v3.2

     * @param aRect New button extent

     * @param aIsReloadImages ETrue for resizing images; otherwise EFalse

     * @return None

     */

    IMPORT_C void SizeChanged(TRect aRect, TRect aInnerRect = TRect(), 

                              TBool aIsReloadImages = EFalse);

	/**

     * Set Forground bitmap position

     *

     * @since S60 v3.2

     * @param aRect Forground bitmap position

     * @return None

     */

	IMPORT_C void SetForgroundBmpRect(const TRect& aRect);

    IMPORT_C void SetForegroundBmpL(CFbsBitmap* aBmp,

	                                  CFbsBitmap* aMaskBmp);

    /**

     * Draws UI

     *

     * @since S60 v3.2

     * @return None

     */

    IMPORT_C void Draw();

	IMPORT_C void Move(const TPoint& aOffset);

    /**

     * From CFepUiBaseCtrl

     * Handle pointer down event

     *

     * @since S60 V4.0

     * @param aPoint The point position relative the layout

     * @return The control which handles the event.     

     */                                        

    IMPORT_C virtual CFepUiBaseCtrl* HandlePointerDownEventL(const TPoint& aPoint);

	/**

     * Set text line layout

     *

     * @since S60 V4.0

     * @param aTextFormat Text line layout to be set

 	 * @return None

     */                  	

    inline void SetTextFormat(TAknTextLineLayout aTextFormat);

	/**

     * Set text to be shown on button

     *

     * @since S60 V4.0

     * @param aText Text to be shown on button

 	 * @return None

     */

    inline void SetTextL(const TDesC& aText);

    inline void SetImageFrameId( TAknsItemID aNormalID,

    							 TAknsItemID aPressedID,

    							 TAknsItemID aInactiveID );

protected:

    /**

     * C++ default constructor.

     *

     * @since S60 v3.2

     * @param aUiLayout The Ui layout

     * @param aControlId The control id

     * @return None

     */

    IMPORT_C CAknFepCtrlDragButton(CFepUiLayout* aUiLayout, TInt aControlId);

    void ResizeBitmaps(TSize aSize);

    void DeleteForgroundRes();

    void CreateDimmedMaskL( CFbsBitmap*& aDimmedMask,

                            const CFbsBitmap* aMask

                        	/*TScaleMode aScaleMode*/ );

private:

    /**

     * Array of background bmp (not own)

     */

    RPointerArray<CFbsBitmap> iBmpList;

    /**

     * Array of background mask bmp (not own)

     */

    RPointerArray<CFbsBitmap> iMaskBmpList;

    /**

     * The first time construct flag of button

     */

    TBool iFirstTimeConstruct;

    /**

     * Froground bitmap and it's mask

     */

    CFbsBitmap* iForgroundBmp;

    CFbsBitmap* iForgroundBmpMask;

    /**

     * Froground Dimmed bitmap's mask

     */

    CFbsBitmap* iForgroundDimBmpMask;

    /**

     * Froground bitmap's position

     */

    TRect iForgroundBmpRect;

    /**

     * The img ID of button in various states

     */

    TAknsItemID iNormalImgID;

    TAknsItemID iPressedImgID;

    TAknsItemID iInactiveImgID;

    HBufC* iText;

    TAknTextLineLayout iTextFormat;    

    };

inline void CAknFepCtrlDragButton::SetTextFormat(TAknTextLineLayout aTextFormat)

    {

    iTextFormat = aTextFormat;

    }

inline void CAknFepCtrlDragButton::SetTextL(const TDesC& aText)

    {

    delete iText;

    iText = NULL;

    iText = aText.AllocL();

    }

inline void CAknFepCtrlDragButton::SetImageFrameId( TAknsItemID aNormalID,

                                                      TAknsItemID aPressedID,

                                                      TAknsItemID aInactiveID )

    {

    iNormalImgID = aNormalID;

    iPressedImgID = aPressedID;

    iInactiveImgID = aInactiveID;

    }    

#endif // C_CAKNFEPCTRLDRAGBUTTON_H

// End Of File