1 /*

     2 * Copyright (c) 2006-2006 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:  Observer interface to get events from service state changes.

    15 *

    16 */

    17 

    18 

    19 #ifndef MCASERVICESTATEOBSERVER_H__

    20 #define MCASERVICESTATEOBSERVER_H__

    21 

    22 

    23 // CLASS DECLARATION

    24 

    25 /**

    26  *  Observer interface to get events from service state changes.

    27  *

    28  *  @lib Chat.exe

    29  *  @since S60 v3.1

    30  */

    31 class MCAServiceStateObserver

    32     {

    33     public:

    34 

    35         // Possible service states

    36         enum TServiceState

    37             {

    38             EUnknown = 0,

    39             EOffline,

    40             EOnline

    41             };

    42 

    43         /**

    44          * Handle service state event

    45          * @param aState Current service state

    46          */

    47         virtual void HandleServiceStateChangeL( TServiceState aState ) = 0;

    48 

    49     protected: // For protection.

    50 

    51         /**

    52          * Destructor for protection

    53          */

    54         virtual ~MCAServiceStateObserver() {}

    55     };

    56 

    57 #endif      // MCASERVICESTATEOBSERVER_H__

    58 

    59 // End of File