/*

* Copyright (c) 2004-2007 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:  Handles the tone playing for the VoiceUIRecognition

*

*/

// INCLUDE FILES

#include <aknsoundsystem.h>

#include <aknappui.h>

#include <centralrepository.h>

#include <StringLoader.h>

#include <AudioPreference.h>

#include <srsfdomaincrkeys.h>

#include <vuivoicerecognition.rsg>

#include "vuictoneplayer.h"

#include "rubydebug.h"

// CONSTANTS

// Maximum value of the volume setting in Central Repository

const TInt KMaxRepositoryVolume = 10;

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

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

// CTonePlayer* CTonePlayer::NewL

// Two-phased constructor.

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

//

CTonePlayer* CTonePlayer::NewL()

    {

    CTonePlayer* self = new (ELeave) CTonePlayer;    

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// Destructor

CTonePlayer::~CTonePlayer()

    {

    RUBY_DEBUG0( "CTonePlayer::~CTonePlayer START" );

    if ( iAudioPlayer )

        {

        iAudioPlayer->Close();

        delete iAudioPlayer;

        }

    delete iStartSound;

    delete iConfirmationSound;

    iObserver = NULL;

    RUBY_DEBUG0( "CTonePlayer::~CTonePlayer EXIT" );

    }

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

// CTonePlayer::CTonePlayer

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CTonePlayer::CTonePlayer()

    {

    }

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

// CTonePlayer::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CTonePlayer::ConstructL()

    {

    RUBY_DEBUG_BLOCK( "CTonePlayer::ConstructL" );

    iAudioPlayer = CMdaAudioPlayerUtility::NewL( *this,

                                                 KAudioPriorityVoiceDial, 

                                                 TMdaPriorityPreference( KAudioPrefVoiceStarting ) );

    iVolume = KErrGeneral;

    CRepository* client = CRepository::NewLC( KCRUidSRSFSettings );

    client->Get( KSRSFPlaybackVolume, iVolume );

    CleanupStack::PopAndDestroy( client );

    iStartSound = StringLoader::LoadL( R_VOICE_START_SOUND_PATH );

    iConfirmationSound = StringLoader::LoadL( R_VOICE_CONFIRMATION_SOUND_PATH );

    }

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

// CTonePlayer::RegisterObserver

// Sets the observer

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

//  

void CTonePlayer::RegisterObserver( MMdaAudioPlayerCallback* aObserver )

    {

    RUBY_DEBUG0( "CTonePlayer::RegisterObserver START" );

    iObserver = aObserver;

    RUBY_DEBUG0( "CTonePlayer::RegisterObserver EXIT" );

    }

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

// CTonePlayer::InitToneL

// Perform initialization for Playing the appropriate tone

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

//

void CTonePlayer::InitToneL( TInt aSid )

   {

    RUBY_DEBUG_BLOCK( "CTonePlayer::PlayToneInitL" );

    iAudioPlayer->Stop();

    iAudioPlayer->Close();

    if ( aSid == EAvkonSIDNameDiallerStartTone )

        {

        RUBY_DEBUG0( "CTonePlayer::InitToneL - case: EAvkonSIDNameDiallerStartTone" );

        if ( err )

            {

            RUBY_ERROR1( "CTonePlayer::InitToneL - err [%d]", err );

            // Cannot play sound, but observer still needs to be notified

            iObserver->MapcInitComplete( err, 0 );

            }

        }

    else if ( aSid == EAvkonSIDConfirmationTone )

        {

        RUBY_DEBUG0( "CTonePlayer::InitToneL - case: EAvkonSIDConfirmationTone" );

        TRAPD( err, iAudioPlayer->OpenFileL( *iConfirmationSound ) );

        if ( err )

            {

            RUBY_ERROR1( "CTonePlayer::InitToneL - err [%d]", err );

            // Cannot play sound, but observer still needs to be notified

            iObserver->MapcInitComplete( err, 0 );

            }

        }

    }

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

// CTonePlayer::PlayTone

// Plays the appropriate tone

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

//

void CTonePlayer::PlayTone( TInt aSid )

    {

    RUBY_DEBUG0( "CTonePlayer::PlayTone START" );

    switch ( aSid )

        {

        case EAvkonSIDNameDiallerStartTone:

        case EAvkonSIDConfirmationTone:

            {

            iAudioPlayer->SetVolume( ScaledVolume() );

            iAudioPlayer->Play();

            break;

            }

        case EAvkonSIDNameDiallerAbortTone:

        case EAvkonSIDNameDiallerErrorTone:

            {

            if ( iAvkonAppUiBase )

                {               

                iAudioPlayer->Stop();

                iAudioPlayer->Close();

                iAvkonAppUiBase->KeySounds()->PlaySound( aSid );

                }

            MapcPlayComplete( KErrNone );

            break;

            }

        default:

            break;

        }

    RUBY_DEBUG0( "CTonePlayer::PlayTone EXIT" );

    }

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

// CTonePlayer::MapcInitComplete

// CMdaAudioPlayerUtility initialization complete

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

//

void CTonePlayer::MapcInitComplete( TInt aError,

                                    const TTimeIntervalMicroSeconds& aDuration )

    {

    RUBY_DEBUG0( "CTonePlayer::MapcInitComplete START" );

    iObserver->MapcInitComplete( aError, aDuration );

    RUBY_DEBUG0( "CTonePlayer::MapcInitComplete EXIT" );

    }

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

// CTonePlayer::MapcPlayComplete

// Playback complete, notify observer

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

//

void CTonePlayer::MapcPlayComplete( TInt aError )

    {

    RUBY_DEBUG0( "CTonePlayer::MapcPlayComplete START" );

    iAudioPlayer->Stop();

    iAudioPlayer->Close();

    iObserver->MapcPlayComplete( aError );

    RUBY_DEBUG0( "CTonePlayer::MapcPlayComplete EXIT" );

    }

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

// CTonePlayer::ScaledVolume

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

//    

TInt CTonePlayer::ScaledVolume()

    {

    TInt volume = iAudioPlayer->MaxVolume();

    if ( iVolume >= 0 )

        {

        // Scale value

        volume = ( iVolume * volume ) / KMaxRepositoryVolume;

        }

    return volume;

    }

//  End of File