/*

* Copyright (c) 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:  

*

*/

// INCLUDE FILES

#include "texttospeechengine.h"

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

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

// CTextToSpeechEngine::NewL()

// 

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

//

CTextToSpeechEngine* CTextToSpeechEngine::NewL()

    {

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

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;    

    }

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

// CTextToSpeechEngine::ConstructL()

// 

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

//

void CTextToSpeechEngine::ConstructL() 

    {

    // Add ourselves to active scheduler

    CActiveScheduler::Add( this );

    User::LeaveIfError( iServer.Open() );

    }

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

// CTextToSpeechEngine::CTextToSpeechEngine()

// 

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

//

CTextToSpeechEngine::CTextToSpeechEngine() :

    CActive( EPriorityStandard )

    {

    }

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

// CTextToSpeechEngine::~CTextToSpeechEngine()

// Destructor

// Frees reserved resources

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

//

CTextToSpeechEngine::~CTextToSpeechEngine()

    {

    Cancel();

    iServer.Close();

    }

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

// CTextToSpeechEngine::InitAndPlayText

// 

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

//

void CTextToSpeechEngine::InitAndPlayText( const TDesC& aText )

    {

    Cancel();

    SetActive();

    iState = EPriming;

    iServer.InitialiseSynthesis( aText, iStatus );

    }

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

// CTextToSpeechEngine::InitAndPlayTextToFile

// 

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

//

void CTextToSpeechEngine::InitAndPlayTextToFile( const TDesC& aText,

                                                 const TFileName& aFileName )

    {

    iFileName = aFileName;

    Cancel();

    SetActive();

    iState = EPriming;

    iServer.InitialiseSynthesis( aText, iFileName, iStatus );

    }

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

// CTextToSpeechEngine::PauseL

// 

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

//

void CTextToSpeechEngine::PauseL()

    {

    iServer.PauseL();

    }

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

// CTextToSpeechEngine::Play

// 

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

//

void CTextToSpeechEngine::Play()

    {

    Cancel();

    SetActive();

    iState = ESpeaking;

    iServer.Synthesise( iStatus );

    }

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

// CTextToSpeechEngine::StopL

// 

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

//

void CTextToSpeechEngine::StopL()

    {

    iServer.StopL();

    }

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

// CTextToSpeechEngine::VolumeL

// 

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

//

TInt CTextToSpeechEngine::VolumeL()

    {

    return iServer.VolumeL();

    }

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

// CTextToSpeechEngine::SetVolumeL

// 

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

//

void CTextToSpeechEngine::SetVolumeL( TInt aVolume )

    {

    iServer.SetVolumeL( aVolume );

    }

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

// CTextToSpeechEngine::MaxVolumeL

// 

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

//

TInt CTextToSpeechEngine::MaxVolumeL()

    {

    return iServer.MaxVolumeL();

    }

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

// CTextToSpeechEngine::SpeakingRateL

// 

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

//

TInt CTextToSpeechEngine::SpeakingRateL()

    {

    return iServer.SpeakingRateL();

    }

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

// CTextToSpeechEngine::SetSpeakingRateL

// 

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

//

void CTextToSpeechEngine::SetSpeakingRateL( TInt aRate )

    {

    iServer.SetSpeakingRateL( aRate );

    }

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

// CTextToSpeechEngine::MaxSpeakingRateL

// 

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

//

TInt CTextToSpeechEngine::MaxSpeakingRateL()

    {

    return iServer.MaxSpeakingRateL();

    }

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

// CTextToSpeechEngine::VoiceL

// 

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

//

TVoice CTextToSpeechEngine::VoiceL()

    {

    return iServer.VoiceL();

    }

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

// CTextToSpeechEngine::SetVoiceL

// 

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

//

void CTextToSpeechEngine::SetVoiceL( const TVoice& aVoice )

    {

    iServer.SetVoiceL( aVoice );

    }

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

// CTextToSpeechEngine::GetLanguagesL

// 

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

//

void CTextToSpeechEngine::GetLanguagesL( RArray<TLanguage>& aLanguages )

    {

    iServer.GetLanguagesL( aLanguages );

    }

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

// CTextToSpeechEngine::GetVoicesL

// 

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

//

void CTextToSpeechEngine::GetVoicesL( RArray<TVoice>& aVoices, 

                                      TLanguage aLanguage )

    {

    iServer.GetVoicesL( aVoices, aLanguage );

    }

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

// CTextToSpeechEngine::RunL

// 

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

//

void CTextToSpeechEngine::RunL()

    {

    switch ( iState )

        {

        case EPriming:

            if ( iStatus == KErrNone ) 

                {

                Play();

                }

            else

                {

                User::Leave( iStatus.Int() );

                }

            break;

        case ESpeaking:

            if ( iStatus != KErrNone && iStatus != KErrCancel )

                {

                User::Leave( iStatus.Int() );

                }

            iState = EIdle;

            break;

        default:

            break;

        }

    }

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

// CTextToSpeechEngine::DoCancel

// 

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

//

void CTextToSpeechEngine::DoCancel()

    {

    TRAP_IGNORE( iServer.StopL() );

    }

// End of File