/*

* Copyright (c) 2005 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:  General Active Object offering asynchronous service

*

*/

#include "atcodec.h"

#include "btmcphonestatus.h"

#include "btmcsignal.h"

#include "debug.h"

#include <mmtsy_names.h>

#include <e32math.h>

const TInt8 KMaxPhoneSignal = 7;

const TInt8 KMaxHFPSignal = 5;

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

// CBtmcSignal::NewL

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

CBtmcSignal* CBtmcSignal::NewL(CBtmcPhoneStatus& aParent)

    {

    CBtmcSignal* self = CBtmcSignal::NewLC(aParent);

    CleanupStack::Pop(self);

    return self;

    }

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

// CBtmcSignal::NewLC

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

CBtmcSignal* CBtmcSignal::NewLC(CBtmcPhoneStatus& aParent)

    {

    CBtmcSignal* self = new (ELeave) CBtmcSignal(aParent);

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

    }

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

// CBtmcSignal::~CBtmcSignal

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

CBtmcSignal::~CBtmcSignal()

    {

    TRACE_FUNC_ENTRY

    Cancel();

    iPhone.Close();

    iServer.UnloadPhoneModule(KMmTsyModuleName);

    iServer.Close();

    TRACE_FUNC_EXIT

    }

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

// CBtmcSignal::GoActive

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

void CBtmcSignal::GoActive()

    {

    if (!IsActive())

        {

        iPhone.NotifySignalStrengthChange(iStatus, iDbm, iBars);

        SetActive();

        }

    TRACE_FUNC

    }

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

// CBtmcSignal::RunL

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

void CBtmcSignal::RunL()

    {

    TRACE_FUNC_ENTRY

    TInt err = iStatus.Int();

    TRACE_INFO((_L("err %d"), err))

    if (!err)

        {

        ConvertToHFPScale(iBars);

        }

    else

        {

        iBars = 0;

        }        

    if (iPreviousBars != iBars)

        {

        iParent.HandleNetworkStrengthChangeL(iBars);

        iPreviousBars = iBars;

        }

    if (err != KErrServerTerminated)

        {

        GoActive();

        }

    TRACE_FUNC_EXIT

    }

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

// CBtmcSignal::DoCancel

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

void CBtmcSignal::DoCancel()

    {

    iPhone.CancelAsyncRequest(EMobilePhoneNotifySignalStrengthChange);

    TRACE_FUNC

    }

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

// CBtmcSignal::RunError

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

TInt CBtmcSignal::RunError(TInt /*aErr*/)

    {

    iPhone.Close();

    iServer.UnloadPhoneModule(KMmTsyModuleName);

    iServer.Close();

    TRACE_FUNC

    return KErrNone;

    }

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

// CBtmcSignal::CBtmcSignal

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

CBtmcSignal::CBtmcSignal(CBtmcPhoneStatus& aParent)

    : CActive(EPriorityNormal), iParent(aParent), iPreviousBars(0)

    {

    CActiveScheduler::Add(this);

    }

void CBtmcSignal::ConstructL()

    {

    TRACE_FUNC_ENTRY

    LEAVE_IF_ERROR(iServer.Connect());

    iServer.LoadPhoneModule(KMmTsyModuleName);

    LEAVE_IF_ERROR(iPhone.Open(iServer, KMmTsyPhoneName));

    iPhone.GetSignalStrength(iStatus, iDbm, iBars);

    SetActive();

    TRACE_FUNC_EXIT

    }

void CBtmcSignal::ConvertToHFPScale(TInt8 &aSignal)

    {

    TReal result;

    Math::Round( result, TReal(TReal(KMaxHFPSignal)/TReal(KMaxPhoneSignal) *TReal(aSignal)),0);

    aSignal = TInt8(result);

    }

TInt CBtmcSignal::GetSignalStrength()

    {

    return iBars;

    }

TInt CBtmcSignal::GetRssiStrength()

	{

	return iDbm;

	}

// End of File