1 /*

     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Engine observer used by each session to complete events

    15 *

    16 */

    17 

    18 

    19 #ifndef M_MPXHARVESTERENGINEOBSERVER_H

    20 #define M_MPXHARVESTERENGINEOBSERVER_H

    21 

    22 #include "mpxhvsmsg.h"

    23 

    24 class CMPXMedia;

    25 

    26 /**

    27  *  Harvester Engine observer

    28  *

    29  *  Each session could have async requests, 

    30  *  this class allows the engine to callback to a particular session

    31  *

    32  *  @lib mpxharvesterserver.exe

    33  */

    34 class MMPXHarvesterEngineObserver 

    35     {

    36 

    37 public:

    38 

    39     /**

    40     * Handles the completion of an import event

    41     * @param aMedia media object to return to the client

    42     * @param aErr 

    43     * @param aMsg message to complete

    44     */

    45     virtual void HandleImportCompleteL( CMPXMedia* aMedia, 

    46                                         TInt aErr,

    47                                         RHvsMsg* aMsg ) = 0;

    48     

    49     /**

    50     * Handles the completion of an export event

    51     * @param aMedia media object to return to the client

    52     * @param aErr error code for the operation

    53     * @param aMsg message to complete

    54     */

    55     virtual void HandleExportCompleteL( CMPXMedia* aMedia, 

    56                                         TInt aErr,

    57                                         RHvsMsg* aMsg ) = 0;

    58         

    59     /**

    60     * Complete the async request, no need for packaging any returns

    61     * @param aMsg message to complete

    62     * @param aErr error code to complete the operation

    63     */

    64     virtual void CompleteTask( RHvsMsg* aMsg, TInt aErr ) = 0;

    65     };

    66 

    67 

    68 #endif // M_MPXHARVESTERENGINEOBSERVER_H