/*

* Copyright (c) 2006 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:  Mic stream to DevSound.

*

*/

#include "cspmicrophone.h"

#include "csplogger.h"

#include "mcspdevsoundobserver.h"

#include <AudioPreference.h>

// Mute value

const TInt KSetMuteToDevSound = 0;

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

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

// Static constructor.

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

//

CSPMicrophone* CSPMicrophone::NewL( 

    MCSPDevSoundObserver& aObserver )

    {

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

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// Destructor

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

//

CSPMicrophone::~CSPMicrophone()

    {

    }

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

// Gives mic mute state

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

//

TBool CSPMicrophone::IsMuted()

    {

    const TInt gain( iDevSound->Gain() );

    TBool isMuted = EFalse;

    if ( !gain )

        {

        // Mute is on

        isMuted = ETrue;

        }

    CSPLOGSTRING( CSPINT, "CSPMicrophone::IsMuted" );

    return isMuted;

    }

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

// Set mic muted.

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

//

void CSPMicrophone::SetMuted()

    {

    CSPLOGSTRING( CSPINT, "CSPMicrophone::SetMicMuted" );

    iDevSound->SetGain( KSetMuteToDevSound );

    }

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

// Set mic unmuted

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

//

void CSPMicrophone::SetUnmuted()

    {

    CSPLOGSTRING( CSPINT, "CSPMicrophone::SetUnmuted" );

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

    }

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

// From class MDevSoundObserver

// Activation was successfull. 

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

//

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

    {

    CSPLOGSTRING( CSPINT, "CSPMicrophone::BufferToBeEmptied" );

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

    if( IsActivationOngoing() ) 

        {

        iActive = ETrue;

        iActivationOngoing = EFalse;

        iObserver.MicActivatedSuccessfully();

        }

    }

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

// From class MDevSoundObserver

// Activation feiled

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

//    

void CSPMicrophone::RecordError( TInt aError )

    {

    CSPLOGSTRING( CSPINT, "CSPMicrophone::RecordError" );

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

    if( IsActivationOngoing() )

        {

        if( aError == KErrAccessDenied ) 

            {

            iActivationOngoing = EFalse;

            iObserver.MicActivationFailed();    

            }

        }   

    }

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

// From class CSPDevSound

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

// gets called.

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

//

void CSPMicrophone::DoActivateL() 

    {

    iDevSound->RecordInitL();

    }

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

// Constructor

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

//

CSPMicrophone::CSPMicrophone(

    MCSPDevSoundObserver& aObserver ) : 

    CSPDevSound( aObserver )

    {

    }

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

// Second phase constructor

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

//

void CSPMicrophone::ConstructL()

    {

    CSPDevSound::ConstructL( 

        EMMFStateRecording, 

        KAudioPrefCSCallUplink, 

        KAudioPriorityCSCallUplink );

    }

//  End of File