/*

* Copyright (c) 2002-2005 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:  Implementation of handwriting recognition

*

*/

// System includes

#include <PtiHwrRecognizer.h>

#include <aknfeppeninputenums.h>

#include <peninputcommonlayoutglobalenum.h>

// User includes

#include "peninputhwrarabicengine.h"

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

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

// CPeninputHwrBxAbEngine::NewL

// (other items were commented in a header)

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

//

CPeninputHwrBxAbEngine* CPeninputHwrBxAbEngine::NewL(CPtiEngine* aPtiEngine)

    {

    CPeninputHwrBxAbEngine* self = 

        new ( ELeave ) CPeninputHwrBxAbEngine(aPtiEngine);

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;    

    }

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

// CPeninputHwrBxAbEngine::NewL

// (other items were commented in a header)

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

//

CPeninputHwrBxAbEngine* CPeninputHwrBxAbEngine::NewL( TInt aLanguage )

    {

    CPeninputHwrBxAbEngine* self = 

        new ( ELeave ) CPeninputHwrBxAbEngine( aLanguage );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;    

    }

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

// CPeninputHwrBxAbEngine::CPeninputHwrBxAbEngine

// (other items were commented in a header)

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

//

CPeninputHwrBxAbEngine::CPeninputHwrBxAbEngine(CPtiEngine* aPtiEngine) 

    : iPtiEngine( aPtiEngine ), iLanguage( 0 ),iMode( ERangeInvalid ),

      iCaseSensitive( EFalse ), iEnabled( EFalse ), iRecognizerInited(EFalse)

    {

    }

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

// CPeninputHwrBxAbEngine::CPeninputHwrBxAbEngine

// (other items were commented in a header)

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

//

CPeninputHwrBxAbEngine::CPeninputHwrBxAbEngine( TInt aLanguage )

    : iLanguage( aLanguage )

    {

    }

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

// CPeninputHwrBxAbEngine::ConstructL

// (other items were commented in a header)

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

//

void CPeninputHwrBxAbEngine::ConstructL()

    {

    iIdle = CIdle::NewL(CActive::EPriorityIdle);

    }

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

// CPeninputHwrBxAbEngine::~CPeninputHwrBxAbEngine

// (other items were commented in a header)

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

//

CPeninputHwrBxAbEngine::~CPeninputHwrBxAbEngine()

    {

    delete iIdle;

    }

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

// CPeninputHwrBxAbEngine::RecognizeL

// (other items were commented in a header)

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

//

TInt CPeninputHwrBxAbEngine::Recognize( const RArray<TPoint>& aTraceData, 

    RPointerArray<HBufC>& aResult )  

    {

    TInt err = KErrGeneral;

    if (!iRecognizerInited)

        {

        TRAP_IGNORE(DoIdleConstructL());

        }

    if ( iHwrEngine )

        {

        aResult.ResetAndDestroy();

        err = iHwrEngine->Recognize( aTraceData, aResult );

        // Convert according the shift mode:remove when recognizer provides

        AdjustResultCase( aResult );

        }

    return err;

    }

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

// CPeninputHwrBxAbEngine::BackgroundConstructL

// Do background construct.

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

//

TInt CPeninputHwrBxAbEngine::BackgroundTaskL(TAny* aPtr)

    {

    CPeninputHwrBxAbEngine* self = static_cast<CPeninputHwrBxAbEngine*>(aPtr);

    self->DoIdleConstructL();

    return EFalse;

    }

void CPeninputHwrBxAbEngine::DoIdleConstructL()

    {

    iRecognizerInited = ETrue;

    InitRecognizerL();

    SetMode(iMode); 

    }

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

// CPeninputHwrBxAbEngine::SetLanguage

// (other items were commented in a header)

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

//

void CPeninputHwrBxAbEngine::SetLanguage( TInt aLanguage )

    {

    if ( iLanguage != aLanguage )

        {

        iLanguage = aLanguage;

        iRecognizerInited = EFalse;

        iHwrEngine = NULL;

        iIdle->Start(TCallBack(BackgroundTaskL,this));        

        }

    }

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

// CPeninputHwrBxAbEngine::GetLanguage

// (other items were commented in a header)

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

//

TInt CPeninputHwrBxAbEngine::GetLanguage( )

    {

    return iLanguage;

    }

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

// CPeninputHwrBxAbEngine::SetCase

// (other items were commented in a header)

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

//

void CPeninputHwrBxAbEngine::SetCase( TInt aCase )

    {

    if ( ( iCaseSensitive && ( iMode == ERangeNative ) ) ||

         ( iMode == ERangeEnglish ) )

        {

        TInt order = -1;

        switch ( aCase )

            {

            case ECaseUpper:

            case ECaseText:

                {

                order = ( TInt ) EUpperFirst;

                }

                break;

            case ECaseLower:

            case ECaseInverseText:

                {

                order = ( TInt ) ELowerFirst;

                }

                break;

            default:

                break;

            }

        if ( iHwrEngine && ( order != -1 ) )

            {

            iHwrEngine->SetFirstLetterOrder( ( TLatinLetterOrder ) order );

            }  

        iCase = aCase;                      

        }

    }

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

// CPeninputHwrBxAbEngine::SetCaseSensitive

// (other items were commented in a header)

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

//

void CPeninputHwrBxAbEngine::SetCaseSensitive( TBool aCaseSensitive )

    {

    iCaseSensitive = aCaseSensitive;

    }

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

// CPeninputHwrBxAbEngine::SetMode

// (other items were commented in a header)

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

//

 void CPeninputHwrBxAbEngine::SetMode( TInt aMode )

    {

    TRecognitionRange range;

    range.iLanguage = TLanguage( iLanguage );

    switch ( aMode )

        {

        case ERangeNumber:

            {

            range.iSubRange = EPtiRangeNumber;

            }

            break;

        case ERangeSymbol:

            {

            range.iSubRange = EPtiRangeSymbol;

            }

            break;

        case ERangeEnglish:

            {

            range.iSubRange = EPtiRangeLatin;            

            }

            break;

        case ERangeNative:

            {

            range.iSubRange = EPtiRangeNative;

            }

            break;

        case ERangeNativeNumber:

            {

            range.iSubRange = EPtiRangeNativeNumber;

            }

            break;

        default:

            {

            range.iSubRange = EPtiRangeNumber;  

            }

            break;

        }

    if ( iHwrEngine )

        {

        iHwrEngine->SetRange( range );  

        }

    iMode = aMode;

    }

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

// CPeninputHwrBxAbEngine::SetTopGuideLinePos

// (other items were commented in a header)

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

//

void CPeninputHwrBxAbEngine::GetTopGuideLinePos( TInt& aPos )

    {

    if ( iHwrEngine )

        {

        iHwrEngine->GetTopGuideLinePos( aPos );

        }

    }

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

// CPeninputHwrBxAbEngine::SetBottomGuideLinePos

// (other items were commented in a header)

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

//

void CPeninputHwrBxAbEngine::GetBottomGuideLinePos( TInt& aPos )

    {

    if ( iHwrEngine )

        {

        iHwrEngine->GetBottomGuideLinePos( aPos );

        }

    }

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

// CPeninputHwrBxAbEngine::SetBottomGuideLinePos

// (other items were commented in a header)

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

//

void CPeninputHwrBxAbEngine::SetPermittedCharSet( const TDesC& /*aSymbolSet*/)

    {

    if ( iHwrEngine )

        {

        //iHwrEngine->SetPermittedSymbolSet( aSymbolSet );

        }

    }

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

// CPeninputHwrBxAbEngine::SetInputAreaSize

// (other items were commented in a header)

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

//

void CPeninputHwrBxAbEngine::SetInputAreaSize( TSize& aSize )

    {

    if ( iHwrEngine )

        {

        iHwrEngine->SetInputAreaSize( aSize );

        }

    }

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

// CPeninputHwrBxAbEngine::EnableWordRecognition

// (other items were commented in a header)

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

//

void CPeninputHwrBxAbEngine::EnableWordRecognition( const TBool aValue )

    {

    if ( iHwrEngine )

        {

        iHwrEngine->EnableWordRecognition( aValue );

        }

    iEnabled = aValue;

    }

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

// CPeninputHwrBxAbEngine::SetNumberMode

// (other items were commented in a header)

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

//

void CPeninputHwrBxAbEngine::SetNumberMode( 

    const TAknEditorNumericKeymap aNumberMode )

    {

    if ( iHwrEngine )

        {

        iHwrEngine->SetNumberMode( aNumberMode );

        }

    }

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

// CPeninputHwrBxAbEngine::InitRecognizerL

// (other items were commented in a header)

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

//

void CPeninputHwrBxAbEngine::InitRecognizerL()

    {

    // Select suitable hwr recognizer according to language

    if ( iPtiEngine )

        {

        iHwrEngine = iPtiEngine->GetHwrRecognizerL( TLanguage( iLanguage ) );

        }

    }

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

// CPeninputHwrBxAbEngine::AdjustResultCase

// (other items were commented in a header)

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

//

void CPeninputHwrBxAbEngine::AdjustResultCase( 

    RPointerArray<HBufC>& aResult )

    {

    for ( TInt i = 0; i < aResult.Count(); i++ )

        {

        HBufC* res = aResult[i];

        TPtr des = res->Des();

        if ( ( iCase == ECaseText ) && 

             ( iMode == ERangeEnglish ))

            {

            HBufC* rep = NULL;

            TRAP_IGNORE( rep = HBufC::NewL( res->Length() ) );

            TPtr repp = rep->Des();

            TChar c;

            TBuf<1> buf;

            for ( TInt j = 0; j < res->Length(); j++ )

                {

                c = des[j];

                buf.Zero();

                buf.Append( c );

                if ( j == 0 )

                    {

                    buf.UpperCase();

                    }

                else

                    {

                    buf.LowerCase();

                    }

                repp.Append( buf );

                }

            des.Copy( *rep );

            delete rep;

            }

        }

    }

//End of File