/*

 * Copyright (c) 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: Telephony Multimedia Service

 *

 */

#include <AudioPreference.h>

#include "tmscsuplink.h"

#include "tmscsdevsoundobserver.h"

using namespace TMS;

// Mute value

const gint KSetMuteToDevSound = 0;

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

// Static constructor.

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

//

TMSCSUplink* TMSCSUplink::NewL(TMSCSPDevSoundObserver& aObserver)

    {

    TMSCSUplink* self = new (ELeave) TMSCSUplink(aObserver);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

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

// Destructor

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

//

TMSCSUplink::~TMSCSUplink()

    {

    }

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

// Gives mic mute state

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

//

TBool TMSCSUplink::IsMuted()

    {

    TBool isMuted = EFalse;

    gint gain = 0;

    if (iDevSound)

        {

        gain = iDevSound->Gain();

        }

    if (!gain)

        {

        // Mute is on

        isMuted = ETrue;

        }

    //   CSPLOGSTRING( CSPINT, "TMSCSUplink::IsMuted" );

    return isMuted;

    }

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

// Set mic muted.

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

//

void TMSCSUplink::SetMuted()

    {

    if (iDevSound)

        {

        iDevSound->SetGain(KSetMuteToDevSound);

        }

    }

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

// Set mic unmuted

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

//

void TMSCSUplink::SetUnmuted()

    {

    if (iDevSound)

        {

        iDevSound->SetGain(iDevSound->MaxGain());

        }

    }

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

// Sets gain

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

//

void TMSCSUplink::SetGain(gint aGain)

    {

    if (iDevSound)

        {

        iDevSound->SetGain(aGain);

        }

    }

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

// Gives volume

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

//

gint TMSCSUplink::Gain()

    {

    gint gain = 0;

    if (iDevSound)

        {

        gain = iDevSound->Gain();

        }

    return gain;

    }

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

// Gives max gain

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

//

gint TMSCSUplink::MaxGain()

    {

    gint gain = 0;

    if (iDevSound)

        {

        gain = iDevSound->MaxGain();

        }

    return gain;

    }

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

// From class MDevSoundObserver

// Activation was successfull.

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

//

void TMSCSUplink::BufferToBeEmptied(CMMFBuffer* /*aBuffer*/)

    {

    //  CSPLOGSTRING( CSPINT, "TMSCSUplink::BufferToBeEmptied" );

    // We dont react to devsound messages unless we are activating.

    if (IsActivationOngoing())

        {

        iActive = ETrue;

        iActivationOngoing = EFalse;

        iObserver.UplinkActivatedSuccessfully();

        }

    }

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

// From class MDevSoundObserver

// Activation feiled

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

//

void TMSCSUplink::RecordError(TInt aError)

    {

    //  CSPLOGSTRING( CSPINT, "TMSCSUplink::RecordError" );

    // We dont react to devsound messages unless we are activating.

    if (IsActivationOngoing())

        {

        if (aError == KErrAccessDenied)

            {

            iActivationOngoing = EFalse;

            iObserver.UplinkActivationFailed();

            }

        }

    }

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

// From class TMSCSPDevSound

// Tries to activate mic stream. Stream becomes active when BufferToBeFilled

// gets called.

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

//

void TMSCSUplink::DoActivateL()

    {

    if (iDevSound)

        {

        iDevSound->RecordInitL();

        }

    }

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

// Constructor

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

//

TMSCSUplink::TMSCSUplink(TMSCSPDevSoundObserver& aObserver) :

    TMSCSPDevSound(aObserver)

    {

    }

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

// Second phase constructor

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

//

void TMSCSUplink::ConstructL()

    {

    TMSCSPDevSound::ConstructL(EMMFStateRecording, KAudioPrefCSCallUplink,

            KAudioPriorityCSCallUplink);

    }

//  End of File