/*

* 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:

*

*/

// INCLUDE FILES

#include "BatteryInfoObserver.h"

// ======== define patchable constants ======

// Note:  patchable constant cannot be defined in the source file it is referred to.

#ifdef __EABI__

// for HWRM support. 1 indicate HWRM is available. 0 indicate it is unavailable

EXPORT_C extern const TInt32 KHWRMIsSupported = 0;

#endif

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

CBatteryInfoObserver* CBatteryInfoObserver::NewL( CHWRMPower& aPower,

    MBatteryInfoNotifier& aBatteryInfoNotifier )

	{

	CBatteryInfoObserver* self = CBatteryInfoObserver::NewLC( aPower,

	    aBatteryInfoNotifier );

	CleanupStack::Pop(self);

	return self;

	}

CBatteryInfoObserver* CBatteryInfoObserver::NewLC( CHWRMPower& aPower,

    MBatteryInfoNotifier& aBatteryInfoNotifier )

	{

	CBatteryInfoObserver* self = new ( ELeave ) CBatteryInfoObserver( aPower,

	    aBatteryInfoNotifier );

	CleanupStack::PushL( self );

	self->ConstructL();

	return self;

	}

CBatteryInfoObserver::~CBatteryInfoObserver()

	{

	if ( iPeriodic )

        {

        iPeriodic->Cancel();

        delete iPeriodic;

        }

	Cancel();

	}

void CBatteryInfoObserver::ConstructL()

	{

    iPeriodic = CPeriodic::NewL( EPriorityNormal );

    // Start the timer with 2 minute interval

    iPeriodic->Start( TTimeIntervalMicroSeconds32(KHalfSecond),

        TTimeIntervalMicroSeconds32(KTwoMins),

        TCallBack(CBatteryInfoObserver::RunTimer,

        this ));

	}	

CBatteryInfoObserver::CBatteryInfoObserver( CHWRMPower& aPower,

    MBatteryInfoNotifier& aBatteryInfoNotifier ) :

    CActive( EPriorityStandard ),

    iPower( aPower ),

    iBatteryInfoNotifier( aBatteryInfoNotifier )

	{

	CActiveScheduler::Add(this);

	}

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

// CBatteryInfoObserver::RunL

// Handles CBatteryInfoObserver::GetBatteryInfo request completion event.

// 

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

//		

void CBatteryInfoObserver::RunL()

	{

    iBatteryInfoNotifier.NotifyBatteryInfo( iStatus.Int(), iBatteryData );

	}

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

// CBatteryInfoObserver::DoCancel

// Cancellation of an outstanding request

//

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

//		

void CBatteryInfoObserver::DoCancel()

	{

    //no cancel for GetBatteryInfo

	}

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

// CBatteryInfoObserver::GetBatteryInfo

// Get battery info from HWRM.

//

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

//

void CBatteryInfoObserver::GetBatteryInfo()

    {

    //Check if active 

    if ( !IsActive() )

        {

        iPower.GetBatteryInfo( iStatus, iBatteryData );

        SetActive();

        }

    }

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

// CBatteryInfoObserver::RunTimer

// Execute GetBatteryInfo()

// 

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

//    

TInt CBatteryInfoObserver::RunTimer( TAny* aObject )

    {

    ( ( CBatteryInfoObserver* ) aObject )->GetBatteryInfo();

    return KErrNone;

    }

//  End of File