/** @file

* Copyright (c) 2007 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:  Observer for downloads / uploads

*

*/

#ifndef C_MHTTPTRANSFEROBSERVER_H

#define C_MHTTPTRANSFEROBSERVER_H

/**

 * Interface class for transfer events  

 *

 * @lib httptransfer.lib

 * @since S60 v3.2

 * @deprecated

 */

class MHttpTransferObserver

    {

public:

    /**

     * Callback method to inform transfer progress to the observer.

     * Transfer progress is indicated every time httpframework informs that

     * it has received a buffer of data or needs new data to be sent

     *

     * @since S60 v3.2

     * @param aKey Identifier of the file

     * @param aBytes Bytes transferred so far

     * @param aTotalBytes Total bytes of the file

     * @deprecated

     */

    virtual void TransferProgress( TAny* aKey,

                                   TInt aBytes, 

                                   TInt aTotalBytes )=0;

    /**

     * Callback method to inform that file is ready to be transfered

     *

     * @since S60 v3.2

     * @param aKey Identifier of the file

     * @deprecated

     */

    virtual void ReadyForTransferL( TAny* aKey )=0;

    /**

     * Callback method to inform the transfer completion to the observer

     *

     * @since S60 v3.2

     * @param aKey Identifier of the file

     * @param aStatus Status of the process

     * @deprecated

     */

    virtual void TransferCompleted( TAny* aKey, TInt aStatus )=0;

    };

#endif // C_MHTTPTRANSFEROBSERVER_H