/*

 * Copyright (c) 2010 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:  TMS AudioEffect.

 *

 */

#include <glib.h>

#include <tms.h>

#include <tmsfactory.h>

#include <tmsglobalvoleffect.h>

#include <tmsglobalgaineffect.h>

#include "cpeaudioeffect.h"

#include "pepanic.pan"

// ======== MEMBER FUNCTIONS ========

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

// Static constructor

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

//

CPEAudioEffect* CPEAudioEffect::NewL(TMSEffectObserver& aObserver)

    {

    CPEAudioEffect* self = CPEAudioEffect::NewLC(aObserver);

    CleanupStack::Pop(self);

    return self;

    }

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

// Static constructor

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

//

CPEAudioEffect* CPEAudioEffect::NewLC(TMSEffectObserver& aObserver)

    {

    CPEAudioEffect* self = new (ELeave) CPEAudioEffect();

    CleanupStack::PushL(self);

    self->ConstructL(aObserver);

    return self;

    }

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

// CPEAudioEffect::CPEAudioEffect

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

//

CPEAudioEffect::CPEAudioEffect()

    {

    }

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

// Second phase constructor

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

//

void CPEAudioEffect::ConstructL(TMSEffectObserver& aObserver)

    {

    TInt err(KErrNotFound);

    if (iFactory)

        {

        err = iFactory->CreateEffect(TMS_EFFECT_GLOBAL_GAIN, iGlobalGain);

        err |= iFactory->CreateEffect(TMS_EFFECT_GLOBAL_VOL, iGlobalVol);

        }

    if (err)

        {

        User::Leave(KErrNotFound);

        }

    err = static_cast<TMSGlobalVolEffect*>(iGlobalVol)->AddObserver(aObserver,

            NULL);

    User::LeaveIfError(err);

    }

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

// Destructor

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

//

CPEAudioEffect::~CPEAudioEffect()

    {

    delete iFactory;

    }

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

// CPEAudioEffect::SetMuteState(TBool aMute)

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

//

TInt CPEAudioEffect::SetMuteState(TBool aMute)

    {

    __ASSERT_DEBUG(iGlobalGain, Panic(EPEPanicBadHandle));

    guint value(0);

    TInt err(KErrNotFound);

    if (aMute)

        {

        err = static_cast<TMSGlobalGainEffect*>(iGlobalGain)->SetLevel(0);

        }

    else

        {

        err = static_cast<TMSGlobalGainEffect*>(iGlobalGain)->GetMaxLevel(

                value);

        if (err == TMS_RESULT_SUCCESS)

            {

            err = static_cast<TMSGlobalGainEffect*>(iGlobalGain)->SetLevel(

                    value);

            }

        }

    return err;

    }

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

// CPEAudioEffect::SetUnmuted

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

//

TBool CPEAudioEffect::MuteState() const

    {

    __ASSERT_DEBUG(iGlobalGain, Panic(EPEPanicBadHandle));

    guint value;

    static_cast<TMSGlobalGainEffect*>(iGlobalGain)->GetLevel(value);

    return (value == 0) ? ETrue : EFalse;

    }

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

// CPEAudioEffect::SetVolume

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

//

void CPEAudioEffect::SetVolume(TInt aVolume)

    {

    __ASSERT_DEBUG(iGlobalVol, Panic(EPEPanicBadHandle));

    static_cast<TMSGlobalVolEffect*>(iGlobalVol)->SetLevel(aVolume);

    }

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

// CPEAudioEffect::Volume

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

//

TInt CPEAudioEffect::Volume() const

    {

    __ASSERT_DEBUG(iGlobalVol, Panic(EPEPanicBadHandle));

    guint value(0);

    static_cast<TMSGlobalVolEffect*>(iGlobalVol)->GetLevel(value);

    return value;

    }

//  End of File