/*

* 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:  Provides speaker functionality

*

*/

#include <AudioPreference.h>

#include "cspspeaker.h"

#include "csplogger.h"

#include "mcspdevsoundobserver.h"

//Audio levels

//Max volume level

const TInt KMaxVolumeLevel = 10;

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

// Static constructor

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

//

CSPSpeaker* CSPSpeaker::NewL(

    MCSPDevSoundObserver& aObserver )

    {

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

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// Destructor.

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

//

CSPSpeaker::~CSPSpeaker()

    {

    }

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

// Sets volume

// Volume needs to be converted from 0-10 scale to the volume scale used by 

// DevSound 0 - MaxVolume().

// No need to check aVolume value, because devsound takes care

// than illegal value are converted to legal, ie <0 are 0 and >MaxVolume

// are set to MaxVolume.

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

//    

void CSPSpeaker::SetVolume( TInt aVolume )

    {

    TInt vol( 0 );    

    vol = iDevSound->MaxVolume() * aVolume / KMaxVolumeLevel;

    iDevSound->SetVolume( vol );

    CSPLOGSTRING2(CSPINT, "CSPSpeaker::SetVolume() \

                vol=%d", vol ); 

    CSPLOGSTRING2(CSPINT, "CSPSpeaker::SetVolume() \

                maxVol=%d", iDevSound->MaxVolume() );

    }

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

// Gives volume

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

//    

TInt CSPSpeaker::Volume()

    {

    TInt devVol = iDevSound->Volume();

    CSPLOGSTRING2(CSPINT, "CSPSpeaker::Volume \

                    vol from DevSound =%d", devVol );

    TInt vol = devVol * KMaxVolumeLevel / iDevSound->MaxVolume();

    CSPLOGSTRING2(CSPINT, "CSPSpeaker::Volume() \

                       vol=%d", vol );

    return vol;

    }

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

// From class MDevSoundObserver

// Speaker stream has been activated successfully.

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

//    

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

    {

    CSPLOGSTRING( CSPINT, "CSPSpeaker::BufferToBeFilled activated" );

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

    if( IsActivationOngoing() )

        {

        iActive = ETrue;

        iActivationOngoing = EFalse;

        iObserver.SpeakerActivatedSuccessfully();

        }

    }

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

// From class MDevSoundObserver

// Speaker stream activation failed

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

//    

void CSPSpeaker::PlayError( TInt aError )   

    {

    CSPLOGSTRING( CSPINT, "CSPSpeaker::PlayError" );

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

    if( IsActivationOngoing() )

        {

        CSPLOGSTRING( CSPINT, "CSPSpeaker::PlayError activation failed" );

        if( aError == KErrAccessDenied ) 

            {

            iActivationOngoing = EFalse;

            iObserver.SpeakerActivationFailed();

            }

        }

    }

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

// From class CSPDevsound

// Tries to activate speaker stream.

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

//

void CSPSpeaker::DoActivateL()

    {

    iDevSound->PlayInitL();

    }  

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

// Constructor

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

//

CSPSpeaker::CSPSpeaker( 

    MCSPDevSoundObserver& aObserver ) :

    CSPDevSound( aObserver )

    {

    }

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

// Second phase constructor

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

//

void CSPSpeaker::ConstructL()

    {

    CSPDevSound::ConstructL( 

        EMMFStatePlaying, 

        KAudioPrefCSCallDownlink,

        KAudioPriorityCSCallDownlink );

    }

//  End of File