/*

* 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:  Monitors the multimediasharing property.

*

*/

#ifndef MUSAOCALLMONITORBASE_H

#define MUSAOCALLMONITORBASE_H

#include "musunittesting.h"

#include "mussesseioninformationapi.h"

#include "mmustsypropertyobserver.h"

#include "mmuscallstateobserver.h"

#include <etelmm.h>

#include <e32base.h>

/**

 * Monitor, which observes status of current cs call  

 *

 * @lib musaoplugin.dll

 */

class CMusCallMonitorBase : public CActive

    {

    public: // constructors and destructor        

        /**

         * Destructor.

         */

        ~CMusCallMonitorBase();

    public:

        /**

         * Sets the state to PS Keys

         */

        void SetStateL(NMusSessionInformationApi::TMusCallEvent aVal);

        /**

         * Sets the Call Information.

         */

        void SetCallInfoL();

        /**

         * CActive Implentation

         */

        TInt RunError( TInt aError ); 

        /**

         * Checks if it the data is ready for the CS Call

         */

        TBool IsDataReadyL();

    protected:

        /**

         * C++ constructor.

         */

        CMusCallMonitorBase( const RMobileCall& aCall,   

                                MMusTsyPropertyObserver& aObserver, 

                                MMusCallStateObserver& aCallStateObserver );

        /**

         * Notify observer that our state changed

         */

        virtual void NotifyCallStateChanged( NMusSessionInformationApi::TMusCallEvent aVal );

    protected:            

        /**

         * RMobileCall handle.

         */

        const RMobileCall& iCall;  

         /**

          * Store the remote state so that when local call events

          * happen then we can still aware the remote terminal.          

          */

        RMobileCall::TMobileCallEvent iRemoteCallEvent;

        /**

          * Store the local call event state so that when remote call events

          * happen then we can still aware the local terminal.

          */

        RMobileCall::TMobileCallEvent iLocalCallEvent;    

        /**

         *  Observer to get nofitied when RCall status changed 

         */

        MMusTsyPropertyObserver& iTsyObserver;

        /*

         * Reference of callstate observer not owned

         */

        MMusCallStateObserver& iCallStateObserver;

        MUS_UNITTEST( UT_CMusCallMonitor )

 		MUS_UNITTEST( UT_CMusCallEventMonitor )

 		MUS_UNITTEST( UT_CMusCallStatusMonitor )

    };

#endif // MUSAOCALLMONITORBASE_H