/*

 * 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 "tmscsdownlink.h"

#include "tmscsdevsoundobserver.h"

using namespace TMS;

const gint KDefaultVolume = 4;

const gint KDefaultMaxVolume = 10;

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

// Static constructor

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

//

TMSCSDownlink* TMSCSDownlink::NewL(TMSCSPDevSoundObserver& aObserver)

    {

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

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

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

// Destructor.

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

//

TMSCSDownlink::~TMSCSDownlink()

    {

    }

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

// Sets volume

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

//

void TMSCSDownlink::SetVolume(gint aVolume)

    {

    if (iDevSound)

        {

        gint maxVolume(iDevSound->MaxVolume());

        maxVolume = (maxVolume > 0) ? maxVolume : KDefaultMaxVolume;

        gint scaledVolume = (aVolume * maxVolume) / KDefaultMaxVolume;

        iDevSound->SetVolume(scaledVolume);

        }

    }

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

// Gives volume

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

//

gint TMSCSDownlink::Volume()

    {

    gint vol = 0;

    if (iDevSound)

        {

        vol = iDevSound->Volume();

        }

    return vol;

    }

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

// Gives max volume

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

//

gint TMSCSDownlink::MaxVolume()

    {

    gint vol = 0;

    if (iDevSound)

        {

        vol = iDevSound->MaxVolume();

        }

    return vol;

    }

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

// From class MDevSoundObserver

// Downlink stream has been activated successfully.

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

//

void TMSCSDownlink::BufferToBeFilled(CMMFBuffer* /*aBuffer*/)

    {

    //CSPLOGSTRING( CSPINT, "TMSCSDownlink:: activated" );

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

    if (IsActivationOngoing())

        {

        iActive = ETrue;

        iActivationOngoing = EFalse;

        iObserver.DownlinkActivatedSuccessfully();

        }

    }

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

// From class MDevSoundObserver

// Downlink stream activation failed

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

//

void TMSCSDownlink::PlayError(TInt aError)

    {

    //CSPLOGSTRING( CSPINT, "TMSCSDownlink::PlayError" );

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

    if (IsActivationOngoing())

        {

        //CSPLOGSTRING( CSPINT, "TMSCSDownlink::PlayError activation failed" );

        if (aError == KErrAccessDenied)

            {

            iActivationOngoing = EFalse;

            iObserver.DownlinkActivationFailed();

            }

        }

    }

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

// From class CSPDevsound

// Tries to activate Downlink stream.

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

//

void TMSCSDownlink::DoActivateL()

    {

    if (iDevSound)

        {

        iDevSound->PlayInitL();

        }

    }

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

// Constructor

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

//

TMSCSDownlink::TMSCSDownlink(TMSCSPDevSoundObserver& aObserver) :

    TMSCSPDevSound(aObserver)

    {

    }

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

// Second phase constructor

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

//

void TMSCSDownlink::ConstructL()

    {

    TMSCSPDevSound::ConstructL(EMMFStatePlaying, KAudioPrefCSCallDownlink,

            KAudioPriorityCSCallDownlink);

    if (iDevSound)

        {

        iDevSound->SetVolume(KDefaultVolume);

        }

    }

//  End of File