/*

* Copyright (c) 2005-2007 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:  The observer class for observer monitor call states change

*

*/

#ifndef MMUSTSYPROPERTYOBSERVER_H_

#define MMUSTSYPROPERTYOBSERVER_H_

#include <e32base.h>

/**

 * The observer class for monitor RMobileCall state change 

 */

class MMusTsyPropertyObserver

    {

public:

    /**

     * Notify call state changed

     * @param aVal The call status

     * @param aCallName The name of the call

     */

    virtual void NotifyCallStateChanged( NMusSessionInformationApi::TMusCallEvent aVal, TName& aCallName ) = 0;

    };

#endif /*MMUSPROPERTYOBSERVER_H_*/