/*

* 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:  Header file for the CUPnPAIWTimer class.

*

*/

#ifndef UPNP_AIW_TIMER_H

#define UPNP_AIW_TIMER_H

//  INCLUDES

#include <e32base.h>

#include <e32cons.h>

#include <coecntrl.h>

#include <AknUtils.h>

#include "upnpaiwtimerobserver.h"

// CLASS DECLARATION

/**

* CUPnPAiWTimer class.

*/

class CUPnPAiwTimer : public CBase,

                      public MBeating

    {

    public:

        /**

         * Static NewL method to construct the timer.

         *

         * @since S60 3.0

         * @param aInterval (TInt) Timer interval in seconds

         * @param aCallback (MUPnPAiwTimerObserver*) call back reference 

         * @return CUPnPAVTimer* timer instance

         */

        static CUPnPAiwTimer* NewL( TInt aInterval,

                                    MUPnPAiwTimerObserver* aCallback );

        // Destructor

        virtual ~CUPnPAiwTimer();

    private:

        /**

         * ConstructL.

         *

         * @since S60 3.0

         * @param aInterval (TInt) Timer interval in seconds

         * @param aCallback (MUPnPAiwTimerObserver*) call back reference 

        */

        void ConstructL( TInt aInterval,

                         MUPnPAiwTimerObserver* aCallback );

        /**

         * Constructor.

         *

         * @since S60 3.0

        */

        CUPnPAiwTimer();

    private: // for MBeating

        /**

         * Called when the beat is in sync.

         *

         * @since S60 3.0

         */

        void Beat();

        /**

         * Called when the beat needs to be syncronized.

         *

         * @since S60 3.0

         */

        void Synchronize();

    private: // Data members

        // Heartbeat active object

        CHeartbeat* iHeartbeat;                     // owned

        // Call back pointer

        MUPnPAiwTimerObserver *iCallback;           // not owned

        // Interval in seconds

        TInt iInterval;

        // Heartbeat counter

        TInt iCounter;

    };

#endif // UPNP_AIW_TIMER_H

// End of file