/*

* Copyright (c) 2005-2009 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 CPOSCALLBACKTIMER_H

#define CPOSCALLBACKTIMER_H

//  INCLUDES

#include <e32base.h>

// CLASS DECLARATION

/**

*    Active object implementing a timeout handler. Used to cancel position

*    requests that has not completed before the timeout value has expired.

*/

class CPosCallbackTimer : public CTimer

    {

    public:  // Constructors and destructor

        static CPosCallbackTimer* NewL(TCallBack& aCallBack);

        virtual ~CPosCallbackTimer();

    public: // New functions

        void StartTimer(const TTimeIntervalMicroSeconds& aTimeout);

        void ExtendTimeout(const TTimeIntervalMicroSeconds& aAdditionalTime);

        TInt Status();

    protected:

        TBool NextRound();

        //From CActive

        void RunL();

        TInt RunError(TInt aError);

    private:

        CPosCallbackTimer(TCallBack& aCallBack);

        void ConstructL();

        CPosCallbackTimer( const CPosCallbackTimer& );

        CPosCallbackTimer& operator= ( const CPosCallbackTimer& );

    private:    // Data

        TCallBack                   iTimeoutCallBack; 

        TUint                       iNumInternalRounds;

        TTimeIntervalMicroSeconds32 iTimeOut;

    };

#endif      // CPOSCALLBACKTIMER_H

// End of File