// 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 "CSignalInfo.h"

/**

Factory constructor.

@param  aController Pointer to MExecAsync object passed to constructor of 

                    CISVAPIBase

@return             Instance of CSignalInfo class

*/

CSignalInfo* CSignalInfo::NewL(MExecAsync* aController)

	{

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

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

/**

Destructor.

Cancels outstanding requests.

*/

CSignalInfo::~CSignalInfo()

	{

	Cancel();

	}

/**

Gets the signal strength and stores it in the iSignalStrengthV1Pckg package.

*/

void CSignalInfo::DoStartRequestL()

	{

	_LIT(KDummyAnswerPanic, "CSignalInfo Get Method");

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

	iRequestNotify = EFalse;

	// Retrieves the phone's current signal strength via the aDes argument.

	iTelephony->GetSignalStrength(iStatus, iSignalStrengthV1Pckg);

	SetActive();

	}

/**

Constructor.

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

                   CISVAPIBase

*/

CSignalInfo::CSignalInfo(MExecAsync* aController)

	: CISVAPIAsync(aController, KSignalInfo),

	  iSignalStrengthV1Pckg(iSignalStrengthV1)

	{

	// Empty method

	}

/**

Second phase constructor.

*/

void CSignalInfo::ConstructL()

	{

	// Empty method

	}

/**

Checks the status of the active object and prints the signal strength (in bars)

to the console if there is no error.

*/

void CSignalInfo::RunL()

	{

	if(iStatus != KErrNone)

		{

		iConsole->Printf(KError);

		// Print the error status code

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

		}

	else

		{

		TInt32 strength = iSignalStrengthV1.iSignalStrength;

		TInt8 bars = iSignalStrengthV1.iBar;

		if (iRequestNotify)

			{

			iConsole->ClearScreen();

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

			}

		iConsole->Printf(KSignalStrengthMsg);

		iConsole->Printf(_L("There are %d bars!\n"), bars);

		iConsole->Printf(_L("Signal Strength is %d!\n"), strength);

		if (iRequestNotify)

			{

			DoRequestNotificationL();

			}

		else

			{

			ExampleComplete();

			}

		}

	}

/**

Requests to receive notifications of change in the signal strength.

*/

void CSignalInfo::DoRequestNotificationL()

   {

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

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

	_LIT( KNotifyPanic, "CSignalInfo Notify Method" );

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

	iRequestNotify = ETrue;

	// Registers interest in receiving change notifications for events.

	iTelephony->NotifyChange( 	iStatus,

								CTelephony::ESignalStrengthChange,

								iSignalStrengthV1Pckg );

	SetActive();

	}

/**

Cancels asynchronous request to CTelephony::GetSignalStrength().

*/

void CSignalInfo::DoCancel()

	{

	// Cancels an outstanding asynchronous request.

	iTelephony->CancelAsync(CTelephony::ESignalStrengthChangeCancel);

	}