/*

* Copyright (c) 2002 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: 

*    Utility class for CTimer object

*

*/

#ifndef CPHONETIMER_H

#define CPHONETIMER_H

//  INCLUDES

#include <e32base.h>

#include "mphonetimer.h"

// CLASS DECLARATION

/**

*  Utility class for timer 

*/

class CPhoneTimer : public CTimer

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        IMPORT_C static CPhoneTimer* NewL( 

            TInt aPriority = CActive::EPriorityStandard );

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CPhoneTimer();

    public: // New functions

        /**

        * The Callback function is called after the interval

        * All former request will be canceled first

        */

        IMPORT_C void After( 

            TTimeIntervalMicroSeconds32 anInterval,

            TCallBack aCallBack );

        /**

        * Use the maxin class to notify the timer

        * All former request will be canceled first

        */

        IMPORT_C void After( 

            TTimeIntervalMicroSeconds32 anInterval, 

            MPhoneTimer* aObserver );

        /**

        * Cancel the timer if needed

        */

        IMPORT_C void CancelTimer();

    protected:  // Functions from base classes

        /**

        * From CTimer::RunL()

        */

        virtual void RunL();

        /**

        * From CTimer::DoCancel()

        */

        virtual void DoCancel();

    private:

        /**

        * C++ default constructor.

        */

        CPhoneTimer( TInt aPriority );

        /**

        * By default Symbian OS constructor is private.

        */

        void ConstructL();

        // By default, prohibit copy constructor

        CPhoneTimer( const CPhoneTimer& );

        // Prohibit assigment operator

        CPhoneTimer& operator=( const CPhoneTimer& );

    private:    // Data

        // Used by After( anInterval, aCallBack )

        TCallBack iCallBack;

        // Used by After( anInterval, aObserver )

        MPhoneTimer* iTimerObserver;

    };

#endif      // CPhoneTimer_H 

// End of File