/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* which accompanies this distribution, and is available

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*      Phonebook asyncronous thumbnail operation observer interfaces.

*

*/

#ifndef __MPbkThumbnailOperationObservers_H__

#define __MPbkThumbnailOperationObservers_H__

//  INCLUDES

#include <e32def.h>

//  FORWARD DECLARATIONS

class MPbkThumbnailOperation;

class CFbsBitmap;

class CPbkImageDataWithInfo;

// CLASS DECLARATION

/**

 * Observer interface for CPbkThumbnailManager get operation.

 * Only one of the event callbacks is called once by the operation.

 *

 * @see CPbkThumbnailManager::GetThumbnailAsyncL

 */

class MPbkThumbnailGetObserver

    {

    public:

        /**

         * Called when thumbnail loading is completed.

         *

         * @param aOperation    The completed operation.

         * @param aBitmap       The loaded bitmap. Callee is responsible of 

         *                      the bitmap.

         */

        virtual void PbkThumbnailGetComplete

            (MPbkThumbnailOperation& aOperation, CFbsBitmap* aBitmap) =0;

        /**

         * Called if the thumbnail loading fails.

         *

         * @param aOperation    The failed operation.

         * @param aError        Error code of the failure.

         */

        virtual void PbkThumbnailGetFailed

            (MPbkThumbnailOperation& aOperation, TInt aError) =0;

    };

/**

 * Observer interface for CPbkThumbnailManager get image operation.

 * Only one of the event callbacks is called once by the operation.

 *

 * @see CPbkThumbnailManager::GetThumbnailImageAsyncL

 */

class MPbkThumbnailGetImageObserver

    {

    public:

        /**

         * Called when thumbnail loading is completed.

         *

         * @param aOperation    The completed operation.

         * @param aImageData    The thumbnail image. Caller is responsible

         *                      of the object.

         */

        virtual void PbkThumbnailGetImageComplete

            (MPbkThumbnailOperation& aOperation, CPbkImageDataWithInfo* aImageData) =0;

        /**

         * Called if the thumbnail loading fails.

         *

         * @param aOperation    The failed operation.

         * @param aError        Error code of the failure.

         */

        virtual void PbkThumbnailGetImageFailed

            (MPbkThumbnailOperation& aOperation, TInt aError) =0;

    };

/**

 * Observer interface for CPbkThumbnailManager set operations.

 * Only one of the event callbacks is called once by the operation.

 *

 * @see CPbkThumbnailManager::SetThumbnailAsyncL

 */

class MPbkThumbnailSetObserver

    {

    public:

        /**

         * Called when thumbnail setting is completed.

         *

         * @param aOperation    The completed operation.

         */

        virtual void PbkThumbnailSetComplete

            (MPbkThumbnailOperation& aOperation) =0;

        /**

         * Called if the thumbnail setting fails.

         *

         * @param aOperation    The failed operation.

         * @param aError        Error code of the failure.

         */

        virtual void PbkThumbnailSetFailed

            (MPbkThumbnailOperation& aOperation, TInt aError) =0;

    };

#endif // __MPbkThumbnailOperationObservers_H__

// End of File