/*

* 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:  Implementation of the class CUPnPAiwTimer.

*

*/

// INCLUDES

#include "upnpaiwtimer.h"

#include "upnpaiwtimerobserver.h"

// ============================ MEMBER FUNCTIONS ============================

// --------------------------------------------------------------------------

// CUPnPAiwTimer::NewL

// Construct the timer, add CHeartbeat to Active Scheduler and start it.

// --------------------------------------------------------------------------

//

CUPnPAiwTimer* CUPnPAiwTimer::NewL( TInt aInterval,

                                    MUPnPAiwTimerObserver* aCallback 

                                )

    {

    CUPnPAiwTimer* self = new (ELeave) CUPnPAiwTimer();

    CleanupStack::PushL( self );

    self->ConstructL( aInterval, aCallback );

    CleanupStack::Pop( self );

    return self;

    }

// --------------------------------------------------------------------------

// CUPnPAiwTimer::CUPnPAiwTimer

// Constructor

// --------------------------------------------------------------------------

//

CUPnPAiwTimer::CUPnPAiwTimer()

    {

    // No implementation

    }

// --------------------------------------------------------------------------

// CUPnPAiwTimer::ConstructL

// Constructs the timer.

// --------------------------------------------------------------------------

//

void CUPnPAiwTimer::ConstructL( TInt aInterval,

                                MUPnPAiwTimerObserver* aCallback )

    {

    // Check the parameters

    if( aInterval <= 0 ||

        !aCallback )

        {

        User::Leave( KErrArgument );

        }

    else

        {

        iInterval = aInterval;

        iCallback = aCallback;

        }

    // Create CHeartbeat object

    iHeartbeat = CHeartbeat::NewL( EPriorityLow );

    iCounter = 0;

    // Start the heartbeat timer (beating exactly on the second)

    iHeartbeat->Start( ETwelveOClock, this );

    }

// --------------------------------------------------------------------------

// CUPnPAiwTimer::~CUPnPAiwTimer()

// Destructor.

// --------------------------------------------------------------------------

//

CUPnPAiwTimer::~CUPnPAiwTimer()

    {

    // Cancel any outstanding request

    if( iHeartbeat )

        {

        iHeartbeat->Cancel();

        delete iHeartbeat;

        }

    }

// --------------------------------------------------------------------------

// CUPnPAiwTimer::Beat()

// Called when the beat is in sync.

// --------------------------------------------------------------------------

//

void CUPnPAiwTimer::Beat()

    {

    // Increase heartbeat counter

    iCounter++;

    // If interval is reached, do the call back

    if( iCounter == iInterval )

        {

        if( iCallback )

            {

            iCallback->TimerCallback();

            }

        iCounter = 0;

        }

    }

// --------------------------------------------------------------------------

// CUPnPAiwTimer::Synchronize()

// Called when the beat needs to be syncronized.

// --------------------------------------------------------------------------

//

void CUPnPAiwTimer::Synchronize()

    {

    // not used

    }

//  End of File