/*

* Copyright (c) 2007-2009 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:

*

*/

#ifndef CPOSFIXSTATETIMER_H

#define CPOSFIXSTATETIMER_H

#include <e32base.h>

#include <lbs.h>

class MPosFixStateTimerListener;

/**

* The CPosFixStateTimer is responsible of handle timeshift timer and 

* PSY state unknown timer.

*/

class CPosFixStateTimer : public CBase

    {

    public: // Constructors and destructor

        /**

        * Get an instance of CPosFixStateTimer.    

        *

        * @return The new instance of this class.

        */

        static CPosFixStateTimer* NewL(

            TPositionModuleId aModuleId,

            MPosFixStateTimerListener& aListener );

        /**

        * Destructor.

        */

        ~CPosFixStateTimer();

        /**

        * Get PSY ID.

        *

        * @return PSY ID

        */

        TPositionModuleId ModuleId() const;

        /**

        * Start timeshift timer. If the timer is already 

        * running, this function does nothing.

        */

        void StartTimeshiftTimer(

            TTimeIntervalMicroSeconds aInterval );

        /**

        * Cancel timeshift timer

        */

        void CancelTimeshiftTimer();

        /**

        * Start unknown timer

        */

        void StartUnknownTimer(

            TTimeIntervalMicroSeconds aInterval );

        /**

        * Cancel unknown timer

        */

        void CancelUnknownTimer();

    private:

        /**

        * C++ default constructor.

        */

        CPosFixStateTimer( 

            TPositionModuleId aModuleId,

            MPosFixStateTimerListener& aListener );

        /**

        * EPOC constructor.

        */

        void ConstructL();

        //Timeshift timer timeout callback

        static TInt TimeshiftTimeoutCallback( TAny* aAny );

        //Timeshift timeout 

        void TimeshiftTimeout();

        //Unknown timer timeout callback

        static TInt UnknownTimeoutCallback( TAny* aAny );

        //Uknown timeout

        void UnknownTimeout();

        // By default, prohibit copy constructor

        CPosFixStateTimer(const CPosFixStateTimer&);

        // Prohibit assigment operator

        CPosFixStateTimer& operator= (const CPosFixStateTimer&);

    private: // Data

        //Module Id

        TPositionModuleId iModuleId;

        //Requestor listner

        MPosFixStateTimerListener& iListener;

        //Timeshift timer

        CPeriodic* iTimeshiftTimer;

        //Unknown timer

        CPeriodic* iUnknownTimer;

    };

#endif      // CPOSFIXSTATETIMER_H  

// End of File