/*

* Copyright (c) 2006-2007 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 <avkon.hrh>

#include <vasmbasepbkhandler.h>

#include "vuicstate.h"

#include "vuicinitstate.h"

#include "vuicrecordstate.h"

#include "vuicabortstate.h"

#include "vuicerrorstate.h"

#include "vuicdatastorage.h"

#include "vuicvoicerecogdialogimpl.h"

#include "vuictoneplayer.h"

#include "vuicpropertyhandler.h"

#include "rubydebug.h"

// CONSTANTS

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

// CInitState::NewL

// Two-phased constructor.

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

//

CInitState* CInitState::NewL( CDataStorage& aDataStorage, CUiModel& aUiModel )

    {

    CInitState* self = new (ELeave) CInitState( aDataStorage, aUiModel );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }       

// Destructor       

CInitState::~CInitState()

    {

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

    if ( iInternalState != EReady )

        {

        DataStorage().RecognitionHandler()->Cancel();

        }

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

    }

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

// CInitState::HandleEventL

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

//       

void CInitState::HandleEventL( TInt aEvent )

    {

    RUBY_DEBUG_BLOCK( "CInitState::HandleEventL" );

    CState* nextState = NULL;

    switch( aEvent )

        {

        case KErrNone:

            if ( iInternalState == EStarted )

                {

#ifndef __WINS__                  

#ifdef __FULLDUPLEX_CHANGE

                iInternalState = ESamplingStarted;

                nextState = this;

                }

            else if ( iInternalState == ESamplingStarted )

                {

#endif // __FULLDUPLEX_CHANGE

#endif // __WINS__  

                iInternalState = EInitialized;

                }

            else if ( iInternalState == EInitialized )

                {

                iInternalState = EReady;

                nextState = this;

                }

            else

                {

                nextState = CRecordState::NewL( DataStorage(), UiModel() );

                }

            break;

        case KErrInit:

        case KErrNoContacts:

            nextState = CErrorState::NewL( DataStorage(), UiModel(), aEvent );

            break;

        case KErrNoMemory:

            nextState = CErrorState::NewL( DataStorage(), UiModel(), aEvent );

            break;

        case ELongKeypress:

        case EEndCallKeypress:

            // Do nothing

            break;

        default:

            nextState = CAbortState::NewL( DataStorage(), UiModel() );

            break;

        }

    DataStorage().VoiceRecognitionImpl()->ChangeState( nextState );

    }

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

// CInitState::ExecuteL

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

//       

void CInitState::ExecuteL()

    {

    RUBY_DEBUG_BLOCK( "CInitState::ExecuteL" );

    if ( iInternalState == ENotStarted )

        {

        // Initialize recognition system

        InitializeL();

        iInternalState = EStarted;

#ifndef __WINS__          

#ifdef __FULLDUPLEX_CHANGE

        // Initialize sampling

        StartSamplingL();

        }

    else if ( iInternalState == ESamplingStarted )

        {

#endif // __FULLDUPLEX_CHANGE

#endif // __WINS__  

        // Initialize phonebook handler

        TRAPD( error, DataStorage().PbkHandler()->InitializeL() );

        if ( error == KErrNoMemory )

            {

            HandleEventL ( KErrNoMemory );

            }

        else

            {

            if ( error != KErrAlreadyExists )

                {

                User::LeaveIfError( error );

                }

            // Initialize start tone

            DataStorage().TonePlayer()->InitToneL( EAvkonSIDNameDiallerStartTone );

            // Initialize recognition

            RecognizeInitL();

            }

        }

    else

        {

        // Play the starting tone

        DataStorage().TonePlayer()->PlayTone( EAvkonSIDNameDiallerStartTone ); 

        }

    }

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

// CInitState::CInitState

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

//              

CInitState::CInitState( CDataStorage& aDataStorage, CUiModel& aUiModel )

 : CState( aDataStorage, aUiModel ), iInternalState( ENotStarted )

    {

    }

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

// CInitState::InitializeL

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

//

void CInitState::InitializeL()

    {

    RUBY_DEBUG_BLOCK( "CInitState::InitializeL" );

    DataStorage().AccessoryButtonMonitor()->Register( DataStorage().VoiceRecognitionImpl() );

    CNssRecognitionHandlerBuilder* builder = CNssRecognitionHandlerBuilder::NewL();

    DataStorage().SetRecognitionHandlerBuilder( builder );    

    builder->InitializeL();

    DataStorage().SetRecognitionHandler( builder->GetRecognitionHandler() );

    }

#ifndef __WINS__      

#ifdef __FULLDUPLEX_CHANGE

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

// CInitState::StartSamplingL

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

//

void CInitState::StartSamplingL()

    {

    RUBY_DEBUG_BLOCK( "CInitState::StartSamplingL" );

    MNssRecognitionHandler* handler = DataStorage().RecognitionHandler(); 

    User::LeaveIfError(

        handler->PreStartSampling( DataStorage().VoiceRecognitionImpl() ) );

    }

#endif // __FULLDUPLEX_CHANGE

#endif // __WINS__  

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

// CInitState::RecognizeInitL

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

//

void CInitState::RecognizeInitL()

    {

    RUBY_DEBUG_BLOCK( "CInitState::RecognizeInitL" );

    TInt numResults = KSindMaxResults * 3;

    if ( DataStorage().VerificationMode() == EVoice )

        {

        numResults = KVerificationResults;

        }

    MNssRecognitionHandler* handler = DataStorage().RecognitionHandler();

    User::LeaveIfError(

        handler->RecognizeInitL( DataStorage().VoiceRecognitionImpl(), numResults ) );

    }

// End of File