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:   Definition of MNcdSubscriptionOperationObserver interface

    15 *

    16 */

    17 

    18 

    19 #ifndef M_NCDSUBSCRIPTIONOPERATIONOBSERVER_H

    20 #define M_NCDSUBSCRIPTIONOPERATIONOBSERVER_H

    21 

    22 class MNcdSubscriptionOperation;

    23 class TNcdProgress;

    24 class MNcdQuery;

    25 

    26 /**

    27  *  Observer interface for subscription operations.

    28  *

    29  *  Subscription operation users should implement this interface to be able to

    30  *  receive callbacks.

    31  */

    32 class MNcdSubscriptionOperationObserver

    33     {

    34     

    35 public:

    36 

    37     /**

    38      * Called when a subscription operation has progressed.

    39      *

    40      * @param aOperation The operation that sent the event.

    41      * @param aProgress Progress of the operation.

    42      */

    43     virtual void SubscriptionProgress( MNcdSubscriptionOperation& aOperation,

    44         TNcdProgress aProgress ) = 0;

    45 

    46     /**

    47      * Called when a query has been received for an operation.

    48      *

    49      * @param aOperation The operation that sent the event.

    50      * @param aQuery Pointer to the query object. Counted, Release() must be

    51      *  called after use.

    52      */

    53     virtual void QueryReceived( MNcdSubscriptionOperation& aOperation,

    54         MNcdQuery* aQuery ) = 0;

    55 

    56     /**

    57      * Called when an operation has been completed.

    58      *

    59      * @param aOperation The operation that sent the event.

    60      * @param aError Error code for operation completion. KErrNone for

    61      * successful completion, otherwise a system wide error code.

    62      */

    63     virtual void OperationComplete( MNcdSubscriptionOperation& aOperation,

    64         TInt aError ) = 0;

    65     };

    66     

    67 #endif // M_NCDSUBSCRIPTIONOPERATIONOBSERVER_H