/*

* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  

*

*/

#ifndef M_CCHSERVICEOBSERVER_H

#define M_CCHSERVICEOBSERVER_H

// INCLUDES

#include <e32std.h>

#include <e32base.h>

#include <cchclientserver.h>

// CONSTANTS

// None

// MACROS

// None

// DATA TYPES

// None

// FUNCTION PROTOTYPES

// None

// FORWARD DECLARATIONS

// None

// CLASS DECLARATION

/**

 *  CCHServiceObserver declaration.

 *  @since S60 3.2

 */

class MCchServiceObserver

    {

public: // New functions

    /**

     * CCchService implementation have to use this callback

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

     * forward notifications to the clients.

     * @since S60 3.2

     * @param aServiceId

     * @param aSubService Sub service type. 

     * @param aState a new state of the service.

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

     */

     virtual void ServiceStateChanged(

                    const TServiceSelection aServiceSelection,

                    TCCHSubserviceState aState, 

                    TInt aError ) = 0;

private:

    };

#endif // M_CCHSERVICEOBSERVER_H

// End of file