/*

* 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 VOIP calls.

*

*/

#ifndef MUSVOIPCALLMONITOR_H_

#define MUSVOIPCALLMONITOR_H_

#include <e32base.h>

#include <ccallinformation.h>

#include <mcall.h>

#include <ccallinfoiter.h>

#include "mussesseioninformationapi.h"

#include "musunittesting.h"

#include "mmuscallstateobserver.h"

/**

 * Monitors the Internet telephony calls ( VOIP )  

 * Same condition of CS call criteria applies here to

 * for Mush. 

 * @lib musaoplugin.dll

 */

class CMusVoipCallMonitor : public CActive

    {

    public: // constructors and destructor

        /**

         * Symbian two-phased constructor.

         */

        static CMusVoipCallMonitor* NewL( TName& aCallName, 

											MMusCallStateObserver& aCallStateObserver );

        /**

         * Symbian two-phased constructor.

         */

        static CMusVoipCallMonitor* NewLC( TName& aCallName );

        /**

         * Destructor.

         */

        ~CMusVoipCallMonitor();

    private: // functions from base class CActive

        void RunL();

        void DoCancel();

        TInt RunError( TInt aError );

    private:

        /**

         * C++ constructor.

         */

        CMusVoipCallMonitor( TName& aCallName, MMusCallStateObserver& aCallStateObserver );

        /**

         * Symbian 2nd-phase constructor.

         */

        void ConstructL( );

    public:

        /**

         * Compares the call names (aName == iCallName) 

         * 

         * @return ETrue if matches else EFalse

         */

        TBool IsEqual(TName& aName);

        /**

         * Sets the call state PS Key value.

         * 

         * @aVal one of the call event types

         */

        void SetStateL(NMusSessionInformationApi::TMusCallEvent aVal);        

        /**

         * Checks from voip call monitor if required data is ready.

         */

         TBool IsDataReadyL();

    private:

        /**

         * Sets the call Information like call direction and remote address

         */

        void SetCallInfoL();   

        /**

         * Sets the call Provider Information (CallProvider Name is PS Key)

         */

        void SetCallProviderInfoL( TUint32 aServiceId );   

        TBool RemoteInfoExistsL();

        void MonitorForRemoteInfoL();

        void StopRemoteInfoMonitoring();

        void ReportStateChangeL( NMusSessionInformationApi::TMusCallEvent aVal );

        static TInt GuardTimerExpired( TAny* aPtr );

        /**

         * Returns current connected call Service ID.

         * @return Current connected call service ID, if there is at least one

         * call in connected state, otherwise KErrNotFound

         */

        TUint32 CallServiceIdL(); 

        void AddDomainFromOwnUsernameL( TUint32 aServiceId, TDes16& aUri );

        // Resets the Call Provider Information.

        void ResetCallProviderName();

    private:

        /*

         * Name of the call.

         */

        TName& iCallName ; 

        RProperty iPropertyEvent;

        /*

         * Reference of callstate observer not owned

         */

        MMusCallStateObserver& iCallStateObserver;

        CDeltaTimer* iGuardTimer;

        TCallBack iGuardTimerCallBack;

        TDeltaTimerEntry iGuardTimerEntry;

        MUS_UNITTEST( UT_CMusVoipCallMonitor )

    };

#endif /* MUSVOIPCALLMONITOR_H_ */