// 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:

//

#include "CBatteryInfo.h"

/**

Factory constructor.

@param  aController Pointer to MExecAsync object passed to constructor of 

                    CISVAPIBase

@return             Instance of CBatteryInfo class

*/

CBatteryInfo* CBatteryInfo::NewL(MExecAsync* aController)

	{

	CBatteryInfo* self = new(ELeave) CBatteryInfo(aController);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

/**

Destructor.

Cancels outstanding requests.

*/

CBatteryInfo::~CBatteryInfo()

	{

	Cancel();

	}

/**

Gets battery information and stores it in the iBatteryInfoV1Pckg.

*/

void CBatteryInfo::DoStartRequestL()

	{

	_LIT( KNotifyPanic, "CBatteryInfo Get Method" );

	__ASSERT_ALWAYS( !IsActive(), User::Panic( KNotifyPanic, 1 ));

	iRequestNotify = EFalse;

	// Retrieves the status and charge level of the phone battery.

	iTelephony->GetBatteryInfo(iStatus, iBatteryInfoV1Pckg);

	SetActive();

	}

/**

Constructor.

@param aController Pointer to an MExecAsync object passed to constructor of 

                   CISVAPIBase

*/

CBatteryInfo::CBatteryInfo(MExecAsync* aController)

	: CISVAPIAsync(aController, KBatteryInfo),

	  iBatteryInfoV1Pckg(iBatteryInfoV1)

	{

	// Empty method

	}

/**

Second phase constructor.

*/

void CBatteryInfo::ConstructL()

	{

	// Empty method

	}

/**

Checks the status of the active object and prints the battery information to

the console if there is no error.

*/

void CBatteryInfo::RunL()

	{

	CTelephony::TBatteryInfoV1 BatteryInfo = iBatteryInfoV1;

	if(iStatus != KErrNone)

		{

		iConsole->Printf(KError);

		// Print the error status code

		iConsole->Printf(_L("%d\n"), iStatus.Int());

		}

	else

		{

		// Print Battery Info

		CTelephony::TBatteryStatus batteryStatus = BatteryInfo.iStatus;

		TUint chargeLevel = BatteryInfo.iChargeLevel;

		if (iRequestNotify)

			{

			iConsole->ClearScreen();

			iConsole->Printf(_L("~*THIS IS A NOTIFICATION*~\n"));

			}

		iConsole->Printf(KBatteryInfoMsg);

		iConsole->Printf(_L("Charge is %d\n"), chargeLevel);

		switch (batteryStatus)

			{

		case CTelephony::EPowerStatusUnknown:

			iConsole->Printf(_L("EPowerStatusUnknown %d\n"), batteryStatus);

			break;

		case CTelephony::EPoweredByBattery:

			iConsole->Printf(_L("EPoweredByBattery %d\n"), batteryStatus);

			break;

		case CTelephony::EBatteryConnectedButExternallyPowered:

			iConsole->Printf(_L("EBatteryConnectedButExternallyPowered %d\n"), batteryStatus);

			break;

		case CTelephony::ENoBatteryConnected:

			iConsole->Printf(_L("ENoBatteryConnected %d\n"), batteryStatus);

			break;

		case CTelephony::EPowerFault:

			iConsole->Printf(_L("EPowerFault %d\n"), batteryStatus);

			break;

		default:

			iConsole->Printf(KError);

			}

		}

		if (iRequestNotify)

			{

			DoRequestNotificationL();

			}

		else

			{

			ExampleComplete();

			}

	}

/**

Requests to receive notifications of change in the battery information.

*/

void CBatteryInfo::DoRequestNotificationL()

	{

	// Panics if this object is already performing an asynchronous operation.

	// Application will panic if you call SetActive() on an already active object.

	_LIT( KNotifyPanic, "CBatteryInfo Notify Method" );

	__ASSERT_ALWAYS( !IsActive(), User::Panic( KNotifyPanic, 1 ));

	iRequestNotify = ETrue;

	// Registers interest in receiving change notifications for events.

	iTelephony->NotifyChange(	iStatus,

								CTelephony::EBatteryInfoChange,

								iBatteryInfoV1Pckg );

	SetActive();

	}

/**

Cancels asynchronous request to CTelephony::GetBatteryInfo().

*/

void CBatteryInfo::DoCancel()

	{

	// Cancels an outstanding asynchronous request.

	TInt error = iTelephony->CancelAsync(CTelephony::EBatteryInfoChangeCancel);

	}