1 /*

     2 * Copyright (c) 2006-2007 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:  

    15 *

    16 */

    17 

    18 

    19 #ifndef M_CCHSERVICEOBSERVER_H

    20 #define M_CCHSERVICEOBSERVER_H

    21 

    22 // INCLUDES

    23 #include <e32std.h>

    24 #include <e32base.h>

    25 #include <cchclientserver.h>

    26 

    27 // CONSTANTS

    28 // None

    29 

    30 // MACROS

    31 // None

    32 

    33 // DATA TYPES

    34 // None

    35 

    36 // FUNCTION PROTOTYPES

    37 // None

    38 

    39 // FORWARD DECLARATIONS

    40 // None

    41 

    42 // CLASS DECLARATION

    43     

    44 /**

    45  *  CCHServiceObserver declaration.

    46  *  @since S60 3.2

    47  */

    48 class MCchServiceObserver

    49     {

    50 

    51 public: // New functions

    52 

    53     /**

    54      * CCchService implementation have to use this callback

    55      * method when service state changed. Otherwise CCH doesn't

    56      * forward notifications to the clients.

    57      * @since S60 3.2

    58      * @param aServiceId

    59      * @param aSubService Sub service type. 

    60      * @param aState a new state of the service.

    61      * @param aError KErrNone if no error occured, otherwise see CCHError.h.

    62      */

    63      virtual void ServiceStateChanged(

    64                     const TServiceSelection aServiceSelection,

    65                     TCCHSubserviceState aState, 

    66                     TInt aError ) = 0;

    67 

    68 private:

    69     

    70     };

    71 

    72 #endif // M_CCHSERVICEOBSERVER_H

    73 

    74 // End of file