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:  Collection engine observer

    15 *

    16 */

    17 

    18  

    19 

    20 #ifndef MMPXCOLLECTIONENGINEOBSERVER_H

    21 #define MMPXCOLLECTIONENGINEOBSERVER_H

    22 

    23 #include <badesca.h>

    24 #include <mpxcollectionenginecommonobserver.h>

    25 

    26 /**

    27 *  Interface for receiving data asynchronously 

    28 */

    29 NONSHARABLE_CLASS(MMPXCollectionEngineObserver) : public MMPXCollectionEngineCommonObserver

    30     {

    31 public:

    32     /**

    33     *  Handles the collection entries being opened. Typically called

    34     *  when client has Open()'d a folder

    35     *  Or Handles the item being opened. Typically called

    36     *  when client has Open()'d an item. Client typically responds by

    37     *  'playing' the item via the playlist

    38     *

    39     *  @param aMedia media to hold collection entries

    40     *  @param aIndex focused entry

    41     *  @param aComplete ETrue no more entries. EFalse more entries expected

    42     *  @param aError error code   

    43     */

    44     virtual void HandleOpen(CMPXMedia* aMedia,

    45                             TInt aIndex,TBool aComplete,TInt aError) = 0;

    46     

    47     /**

    48     * Handles a generic Async Op completion ( nothing to return )

    49     * @param aError, error to complete

    50     */

    51     virtual void HandleOpComplete( TInt aError ) = 0;

    52     };    

    53     

    54 #endif // MMPXCOLLECTIONENGINEOBSERVER_H