/*

* Copyright (c) 2006 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:  MPX common container Alf Texture manager.

*

*/

#ifndef CMPXCOMMONCONTAINERTEXTUREMANAGER_H

#define CMPXCOMMONCONTAINERTEXTUREMANAGER_H

// INCLUDES

#include <e32base.h>

#include <alf/alfbitmapprovider.h>

#include <mpxitemid.h>

#include "mpxcommoncontainer.h"

// CONSTANTS

const TInt KMPXFirstAlfThumbnailTextureId = 0x20000001;

const TInt KMPXLastAlfThumbnailTextureId = 0x30000000;

// FORWARD DECLARATIONS

class CFbsBitmap;

class CAlfTexture;

class CAlfTextureManager;

// CLASS DECLARATION

/**

 *  Texture manager for common container.

 *

 *  @lib mpxcommoncontainer.lib

 *  @since S60 v3.2

 */

NONSHARABLE_CLASS( CMPXCommonContainerTextureManager )

    : public CBase

    , public MAlfBitmapProvider

    {

public:

    enum TMPXTextureType

        {

        EMPXTextureNone,

        EMPXTextureImage,

        EMPXTextureIcon

        };

    /**

     * default C++ constructor.

     */

    CMPXCommonContainerTextureManager(

        CAlfTextureManager& aTextureManager );

    /**

     * Destructor.

     */

    virtual ~CMPXCommonContainerTextureManager();

    /**

     * Creates texture from the specified bitmap and mask

     *

     * @param aIndex container item index

     * @param aItemId container item id

     * @param aBitmap a bitmap

     * @param aMask a bitmap mask

     */

	CAlfTexture& CreateTextureL( TInt aIndex, TMPXItemId aItemId,

	    CFbsBitmap* aBitmap, CFbsBitmap* aMask );

    /**

     * Creates icon texture from the specified bitmap and mask

     * (not cached)

     *

     * @param aBitmap a bitmap

     * @param aMask a bitmap mask

     */

	CAlfTexture& CreateIconTextureL( TInt aIconIndex, CFbsBitmap* aBitmap, CFbsBitmap* aMask );

    /**

     * Returns texture for the specified item

     *

     * @param aItemId container item id

     * @return Texture Id for the item, KErrNotFound if non-existent

     */

	TInt TextureId( TMPXItemId aItemId ) const;

    /**

     * Returns texture for the specified icon

     *

     * @param aIconIndex container item id

     * @return Texture Id for the item, KErrNotFound if non-existent

     */

	TInt IconTextureId( TInt aIconIndex ) const;

    /**

     * Removes the cached texture information

     *

     * @param aId container item id

     */

    void ClearCache( TMPXTextureType aType=EMPXTextureNone );

private:

// from base class MAlfBitmapProvider

    /**

     * Callback with texture id when a texture is created

     *

     * @param aId container item id

     * @param aBitmap a bitmap

     * @param aMask a bitmap mask

     */

    void ProvideBitmapL( TInt aId, CFbsBitmap*& aBitmap, CFbsBitmap*& aBitmapMask);

private: // data

    struct TMPXTextureItem

        {

        TMPXTextureType iType;

        TInt            iItemIndex;

        TMPXItemId      iItemId;

        TInt            iTextureId;

        CFbsBitmap*     iBitmap;

        CFbsBitmap*     iMask;

        };

    CAlfTextureManager&         iTextureManager;    // not owned

    MMPXCommonContainer*        iCommonContainer;   // not owned

    TMPXTextureItem             iTextureItem;

    RArray<TMPXTextureItem>     iTextureArray;      // owned

    RArray<TMPXTextureItem>     iIconTextureArray;  // owned

    };

#endif  // CMPXCOMMONCONTAINERTEXTUREMANAGER_H

// End of File