/*

* Copyright (c) 2004 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:  Operation progress state observer.

*

*/

#ifndef __MCNUIOPPROGRESSSTATEOBSERVER_H

#define __MCNUIOPPROGRESSSTATEOBSERVER_H

//  INCLUDES

#include <E32Std.h>

#include <impspresenceconnectionuiconstsng.h>

//DATA TYPES

/**

 * Operation progress state observer.

 *

 * @since 2.1

 */

NONSHARABLE_CLASS( MCnUiOpProgressStateObserver )

    {

public: // New event handling methods

    /**

     * Handling method called to handle

     * operaion progress state enter events.

     *

     * @since 2.1

     * @param aStateId State id from concrete

     * observed operation.

     * @param aClient The client for which the state enter happened.

     */

    virtual void HandleProgressStateEnter( TInt aStateId,

                                           TIMPSConnectionClient aClient ) = 0;

protected:  //Destructor

    /**

     * Inline destructor.

     *

     * Destruction using this

     * interface isn't possible.

     */

    virtual ~MCnUiOpProgressStateObserver() {};

    };

#endif      //  __MCNUIOPPROGRESSSTATEOBSERVER_H

//  End of File