/*

* Copyright (c) 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:  Header file for MCSPCallObserver class for 

*                observing errors related to call requests, e.g. dialling.

*

*/

#ifndef MCSPCALLOBSERVER_H

#define MCSPCALLOBSERVER_H

//INCLUDES

#include <etelmm.h>

#include <mccpcallobserver.h>

#include <mccptransferobserver.h>

#include <mccpforwardobserver.h>

#include <mccpconferencecallobserver.h>

// CLASS DECLARATION

/**

*  Interface for monitoring incoming call.

*

*  @since S60 3.2

*/

class MCSPCallObserver

    {

    public:

        /**

        * Informs about occurred event.

        * @since S60 3.2

        * @param aEvent occurred event

        */    

        virtual void NotifyCallEventOccurred( 

                        MCCPCallObserver::TCCPCallEvent aEvent ) = 0;

        /**

        * Updates the state change and forwards the state for observer.

        * @param aState new state (ETel) of the call 

        */

        virtual void NotifyCallStateChangedETel( 

            RMobileCall::TMobileCallStatus aState ) = 0;

        /**

        * Informs about changed state that includes inband tones.

        * @since S60 3.2

        * @param aState the new state 

        */    

        virtual void NotifyCallStateChangedWithInband( 

                        MCCPCallObserver::TCCPCallState aState ) = 0;

        /**

        * Informs about occurred transfer related event.

        * @since S60 3.2

        * @param aEvent occurred transfer event

        */    

        virtual void NotifyTransferCallEventOccurred( 

                        const MCCPTransferObserver::TCCPTransferEvent aEvent ) = 0;

        /**

        * Updates the call event for observers.

        * @param aEvent the event to be notified

        */

        virtual void NotifyForwardEventOccurred( 

                        MCCPForwardObserver::TCCPForwardEvent aEvent ) = 0;

        /**

        * Updates changed call capability information.

        * @param aCapsFlags new caps flags

        */

        virtual void CallCapsChanged( const TUint32 aCapsFlags ) = 0;

        /**

        * Notify that remote party info has changed.

        * 

        */

        virtual void NotifyRemotePartyInfoChanged( 

    };

#endif // MINCOMINGCALLOBSERVER_H

//End of file