voiceui/voiceuivoicerecognition/src/vuicinitstate.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 15 Mar 2010 12:40:40 +0200
branchRCL_3
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permissions -rw-r--r--
Revision: 201009 Kit: 201010
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/*
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* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  
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*
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*/
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// INCLUDE FILES
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#include <avkon.hrh>
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#include <vasmbasepbkhandler.h>
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#include "vuicstate.h"
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#include "vuicinitstate.h"
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#include "vuicrecordstate.h"
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#include "vuicabortstate.h"
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#include "vuicerrorstate.h"
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#include "vuicdatastorage.h"
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#include "vuicvoicerecogdialogimpl.h"
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#include "vuictoneplayer.h"
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#include "vuicpropertyhandler.h"
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#include "rubydebug.h"
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// CONSTANTS
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// -----------------------------------------------------------------------------
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// CInitState::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CInitState* CInitState::NewL( CDataStorage& aDataStorage, CUiModel& aUiModel )
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    {
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    CInitState* self = new (ELeave) CInitState( aDataStorage, aUiModel );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    CleanupStack::Pop( self );
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    return self;
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    }       
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// Destructor       
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CInitState::~CInitState()
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    {
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    RUBY_DEBUG0( "CInitState::~CInitState START" );
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    if ( iInternalState != EReady )
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        {
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        DataStorage().RecognitionHandler()->Cancel();
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        }
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    RUBY_DEBUG0( "CInitState::~CInitState EXIT" );
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    }
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// ---------------------------------------------------------
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// CInitState::HandleEventL
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// ---------------------------------------------------------
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//       
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void CInitState::HandleEventL( TInt aEvent )
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    {
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    RUBY_DEBUG_BLOCK( "CInitState::HandleEventL" );
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    CState* nextState = NULL;
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    switch( aEvent )
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        {
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        case KErrNone:
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            if ( iInternalState == EStarted )
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                {
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#ifndef __WINS__                  
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#ifdef __FULLDUPLEX_CHANGE
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                iInternalState = ESamplingStarted;
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                nextState = this;
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                }
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            else if ( iInternalState == ESamplingStarted )
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                {
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#endif // __FULLDUPLEX_CHANGE
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#endif // __WINS__  
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                iInternalState = EInitialized;
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                }
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            else if ( iInternalState == EInitialized )
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                {
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                iInternalState = EReady;
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                nextState = this;
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                }
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            else
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                {
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                nextState = CRecordState::NewL( DataStorage(), UiModel() );
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                }
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            break;
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        case KErrInit:
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        case KErrNoContacts:
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            nextState = CErrorState::NewL( DataStorage(), UiModel(), aEvent );
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            break;
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        case KErrNoMemory:
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            nextState = CErrorState::NewL( DataStorage(), UiModel(), aEvent );
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            break;
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0
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        case ELongKeypress:
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        case EEndCallKeypress:
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            // Do nothing
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            break;
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        default:
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            nextState = CAbortState::NewL( DataStorage(), UiModel() );
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            break;
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        }
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    DataStorage().VoiceRecognitionImpl()->ChangeState( nextState );
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    }
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// ---------------------------------------------------------
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// CInitState::ExecuteL
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// ---------------------------------------------------------
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//       
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void CInitState::ExecuteL()
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    {
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    RUBY_DEBUG_BLOCK( "CInitState::ExecuteL" );
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    if ( iInternalState == ENotStarted )
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        {
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        // Initialize recognition system
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        InitializeL();
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        iInternalState = EStarted;
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#ifndef __WINS__          
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#ifdef __FULLDUPLEX_CHANGE
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        // Initialize sampling
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        StartSamplingL();
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        }
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    else if ( iInternalState == ESamplingStarted )
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        {
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#endif // __FULLDUPLEX_CHANGE
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#endif // __WINS__  
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        // Initialize phonebook handler
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        TRAPD( error, DataStorage().PbkHandler()->InitializeL() );
9
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        if ( error == KErrNoMemory )
0
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            {
9
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            HandleEventL ( KErrNoMemory );
0
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            }
9
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        else
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            {
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            if ( error != KErrAlreadyExists )
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                {
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                User::LeaveIfError( error );
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                }
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            // Initialize start tone
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            DataStorage().TonePlayer()->InitToneL( EAvkonSIDNameDiallerStartTone );
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            // Initialize recognition
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            RecognizeInitL();
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            }
0
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        }
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    else
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        {
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        // Play the starting tone
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        DataStorage().TonePlayer()->PlayTone( EAvkonSIDNameDiallerStartTone ); 
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        }
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    }
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// ---------------------------------------------------------
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// CInitState::CInitState
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// ---------------------------------------------------------
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//              
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CInitState::CInitState( CDataStorage& aDataStorage, CUiModel& aUiModel )
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 : CState( aDataStorage, aUiModel ), iInternalState( ENotStarted )
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    {
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    }
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// ---------------------------------------------------------
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// CInitState::InitializeL
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// ---------------------------------------------------------
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//
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void CInitState::InitializeL()
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    {
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    RUBY_DEBUG_BLOCK( "CInitState::InitializeL" );
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    DataStorage().AccessoryButtonMonitor()->Register( DataStorage().VoiceRecognitionImpl() );
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    CNssRecognitionHandlerBuilder* builder = CNssRecognitionHandlerBuilder::NewL();
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    DataStorage().SetRecognitionHandlerBuilder( builder );    
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    builder->InitializeL();
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    DataStorage().SetRecognitionHandler( builder->GetRecognitionHandler() );
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    }
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#ifndef __WINS__      
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#ifdef __FULLDUPLEX_CHANGE
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// ---------------------------------------------------------
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// CInitState::StartSamplingL
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// ---------------------------------------------------------
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//
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void CInitState::StartSamplingL()
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    {
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    RUBY_DEBUG_BLOCK( "CInitState::StartSamplingL" );
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    MNssRecognitionHandler* handler = DataStorage().RecognitionHandler(); 
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    User::LeaveIfError(
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        handler->PreStartSampling( DataStorage().VoiceRecognitionImpl() ) );
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    }
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#endif // __FULLDUPLEX_CHANGE
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#endif // __WINS__  
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// ---------------------------------------------------------
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// CInitState::RecognizeInitL
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// ---------------------------------------------------------
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//
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void CInitState::RecognizeInitL()
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    {
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    RUBY_DEBUG_BLOCK( "CInitState::RecognizeInitL" );
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    TInt numResults = KSindMaxResults * 3;
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    if ( DataStorage().VerificationMode() == EVoice )
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        {
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        numResults = KVerificationResults;
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        }
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    MNssRecognitionHandler* handler = DataStorage().RecognitionHandler();
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    User::LeaveIfError(
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        handler->RecognizeInitL( DataStorage().VoiceRecognitionImpl(), numResults ) );
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    }
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// End of File
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