/*

* Copyright (c) 2004-2006 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 PnPMS components

*

*/

// INCLUDE FILES

#include <apmrec.h>

#include <apmstd.h>

#include <f32file.h>

#include <implementationproxy.h>

#include "recnhwr.h"

// CONSTANTS

const TInt KNhwrRecognizerValue=0x1020433B;

const TUid KUidNhwrRecognizer={KNhwrRecognizerValue};

_LIT8(KDataTypeNhwr, "application/vnd.nokia.headwrapper");

_LIT(KNhwrExtension,".wbf");

_LIT8(KHeader,"NHWR");

const TInt KHeaderLength = 4;

// Constructor

CApaNhwrRecognizer::CApaNhwrRecognizer()

    :CApaDataRecognizerType( KUidNhwrRecognizer,CApaDataRecognizerType::ENormal )

{

    //LOGSTRING( "Constructor" );

    iCountDataTypes = 1;

}

// Destructor

CApaNhwrRecognizer::~CApaNhwrRecognizer()

{

    //LOGSTRING( "Destructor" );

}

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

// CApaNhwrRecognizer::PreferredBufSize

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

//

TUint CApaNhwrRecognizer::PreferredBufSize()

{

    //LOGSTRING( "PreferredBufSize" );

    return KHeaderLength;

}

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

// CApaNhwrRecognizer::SupportedDataTypeL

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

//

TDataType CApaNhwrRecognizer::SupportedDataTypeL( TInt aIndex ) const

{

    //LOGSTRING( "SupportedDataTypeL" );

    __ASSERT_DEBUG( aIndex >= 0 && aIndex < 1, User::Invariant() );

     switch ( aIndex )

        {

        case 0:

            //LOGSTRING( "SupportedDataTypeL - done" );

            return TDataType(KDataTypeNhwr);

        default:

            //LOGSTRING( "SupportedDataTypeL - done" );

            return TDataType();

        }

}

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

// CApaNhwrRecognizer::DoRecognizeL

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

//

void CApaNhwrRecognizer::DoRecognizeL( const TDesC& aName, const TDesC8& aBuffer )

{

    //LOGSTRING( "DoRecognizeL" );

    if(aName.Length()>0)

        {

        TParse parse;

        parse.Set(aName,NULL,NULL);

        if(parse.Ext().Compare(KNhwrExtension)==0)

            {

            iDataType   = TDataType(KDataTypeNhwr);

            //LOGSTRING( "confidence EProbable" );

            iConfidence = EProbable;

            }

        }

    // File content

    if (aBuffer.Length() >= KHeaderLength)

        {

        if ( aBuffer.FindF(KHeader) == 0)

            {

            iDataType   = TDataType(KDataTypeNhwr);

            //LOGSTRING( "confidence ECertain" );

            iConfidence = ECertain;

            //LOGSTRING( "DoRecognizeL - done" );

            return;

            }

        }

    //LOGSTRING( "DoRecognizeL - done" );

    return;

}

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

// CApaNhwrRecognizer::CreateRecognizerL

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

//

CApaDataRecognizerType* CApaNhwrRecognizer::CreateRecognizerL()

    {

    //LOGSTRING( "CreateRecognizerL" );

    return new (ELeave) CApaNhwrRecognizer();

    }

// CApaNhwrRecognizer::ImplementationTable

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

//

const TImplementationProxy ImplementationTable[] =

    {

    IMPLEMENTATION_PROXY_ENTRY( KNhwrRecognizerValue, CApaNhwrRecognizer::CreateRecognizerL)

    };

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

// CApaNhwrRecognizer::ImplementationGroupProxy

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

//

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

    {

    //LOGSTRING( "ImplementationGroupProxy" );

    aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

    return ImplementationTable;

    }