/*

* Copyright (c) 2004 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:     Stub algorithms for Speech Synthesis

*

*/

// INCLUDE FILES

#include    "asrsttshwdevice.h"

#include    <e32svr.h>

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

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

// CTtsHwDevice::CTtsHwDevice

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

// might leave.

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

//

CTtsHwDevice::CTtsHwDevice(): iAlgorithm( NULL ), iReserved( NULL )

    {

    // nothing

    }

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

// CTtsHwDevice::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CTtsHwDevice::ConstructL( MTtsHwDeviceObserver& /*aObserver*/,

                               TUint /*aSamplingRate*/, 

                               TUint /*aBufferSize*/ )

    {

    User::Leave( KErrNotSupported );

    }

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

// CTtsHwDevice::NewL

// Two-phased constructor.

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

//

EXPORT_C CTtsHwDevice* CTtsHwDevice::NewL( MTtsHwDeviceObserver& aObserver,

                                           TUint aSamplingRate, 

                                           TUint aBufferSize )

    {

    CTtsHwDevice* self = new ( ELeave ) CTtsHwDevice;

    CleanupStack::PushL( self );

    self->ConstructL( aObserver, aSamplingRate, aBufferSize );

    CleanupStack::Pop();

    return self;

    }

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

// CTtsHwDevice::~CTtsHwDevice

// Destructor;

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

//

EXPORT_C CTtsHwDevice::~CTtsHwDevice()

	{

    }

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

// CTtsHwDevice::AddStyleL

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C TTtsStyleID CTtsHwDevice::AddStyleL( const TTtsStyle& /*aStyle*/ )

    {

    User::Leave( KErrNotSupported );

    return 0;

    }

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

// CTtsHwDevice::AnalyzeProsodyL

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C void CTtsHwDevice::AnalyzeProsodyL( CTtsParsedText& /*aText*/ )

    {

    User::Leave( KErrNotSupported );

    }

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

// CTtsHwDevice::AnalyzeStructureL

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C void CTtsHwDevice::AnalyzeStructureL( CTtsParsedText& /*aText*/ )

    {

    User::Leave( KErrNotSupported );

    }

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

// CTtsHwDevice::BufferProcessed

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C void CTtsHwDevice::BufferProcessed( const TDesC8& /*aBuffer*/ )

    {

    }

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

// CTtsHwDevice::DeleteStyleL

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C void CTtsHwDevice::DeleteStyleL( TTtsStyleID /*aStyleID*/ )

    {

    User::Leave( KErrNotSupported );

    }

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

// CTtsHwDevice::GetPositionL

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C void CTtsHwDevice::GetPositionL( TTimeIntervalMicroSeconds& /*aTime*/ )

    {

    User::Leave( KErrNotSupported );

    }

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

// CTtsHwDevice::GetPositionL

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C void CTtsHwDevice::GetPositionL( TTtsSegment& /*aSegment*/, 

                                          TInt& /*aWordIndex*/ )

    {

    User::Leave( KErrNotSupported );

    }

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

// CTtsHwDevice::IsLanguageSupported

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C TBool CTtsHwDevice::IsLanguageSupported( TLanguage /*aLanguage*/ )

    {

    return EFalse;

    }

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

// CTtsHwDevice::NumberOfStyles

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C TUint16 CTtsHwDevice::NumberOfStyles() const

    {

    return 0;

    }

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

// CTtsHwDevice::Pause

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C void CTtsHwDevice::Pause()

    {

    }

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

// CTtsHwDevice::PrimeSynthesisL

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C void CTtsHwDevice::PrimeSynthesisL( MTtsSegmentStream& /*aStream*/ )

    {

    User::Leave( KErrNotSupported );

    }

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

// CTtsHwDevice::PrimeSynthesisL

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C void CTtsHwDevice::PrimeSynthesisL( CTtsParsedText& /*aText*/ )

    {

    User::Leave( KErrNotSupported );

    }

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

// CTtsHwDevice::SetPositionL

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C void CTtsHwDevice::SetPositionL( const TTimeIntervalMicroSeconds& /*aTime*/ )

    {

    User::Leave( KErrNotSupported );

    }

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

// CTtsHwDevice::SetPositionL

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C void CTtsHwDevice::SetPositionL( const TTtsSegment& /*aSegment*/,

                                          TInt /*aWordIndex*/ )

    {

    User::Leave( KErrNotSupported );

    }

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

// CTtsHwDevice::Stop

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C void CTtsHwDevice::Stop()

    {

    }

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

// CTtsHwDevice::StyleL

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C TTtsStyle& CTtsHwDevice::StyleL( TTtsStyleID /*aStyleID*/ )

    {

    User::Leave( KErrNotSupported );

    // Just for removing errors & warning, we never get here

    TInt* dummy = new ( ELeave ) TInt;

    TTtsStyle* style = (TTtsStyle*) dummy;

    return *style;    

    }

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

// CTtsHwDevice::StyleL

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C TTtsStyle& CTtsHwDevice::StyleL( TUint16 /*aIndex*/ )

    {

    User::Leave( KErrNotSupported );

    // Just for removing errors & warning, we never get here

    TInt* dummy = new ( ELeave ) TInt;

    TTtsStyle* style = (TTtsStyle*) dummy;

    return *style;

    }

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

// CTtsHwDevice::SynthesizeL

// Calls responding function of TTS algorithm

// (other items were commented in a header).

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

//

EXPORT_C void CTtsHwDevice::SynthesizeL()

    {

    User::Leave( KErrNotSupported );

    }

// ========================== OTHER EXPORTED FUNCTIONS =========================

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

// for DLL goodness

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

//

#ifndef EKA2

GLDEF_C TInt E32Dll( TDllReason /*aReason*/ )

    {

    return KErrNone;

    }

#endif

//  End of File