// Copyright (c) 1997-2009 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:

//

#ifndef __CHTMLTOCRTCONVERTER_H__

#define __CHTMLTOCRTCONVERTER_H__

#include <e32base.h>

#include <conarc.h>

#include <barsc.h>

#include <charconv.h>

#include "MHtmlToCrtConvResourceFile.h"

class CRichText;

class CParaFormatLayer;

class CCharFormatLayer;

class CHtmlToCrtConvParser;

class CHtmlToCrtConvBuffer;

class CHtmlToCrtConvCharsetConvert;

class CHtmlToCrtConverter : public CConverterBase2, public MHtmlToCrtConvResourceFile

	{

	public:

		enum TConverterState

			{

			EGetCharsetFromPassword,

			EGetCharsetFromMetaTag,

			EGetCharsetUsingAutoDetect,

			EPrepareForConvertToUnicode,

			EDoOneStepOfParsing,

			EFinishedParsing

			};

	public:

		CHtmlToCrtConverter();

		~CHtmlToCrtConverter();

	//from CConverterBase

	public:

		void ConvertL(const TFileName& aSourceFile, const TFileName& aTargetFile, MConverterUiObserver* aObserver=NULL);

		void ConvertAL(const TFileName& aSourceFile, const TFileName& aTargetFile, MConverterUiObserver* aObserver=NULL);

		TBool DoConvertL();

		TUid Uid();

		TInt Capabilities();

		void CancelConvert();

		static CConverterBase2* NewL();

	private:

		void PrepForConversionL(const TDesC& aSourceFile, const TDesC& aTargetFile);

		void LocateAndOpenResourceFileL();

		void Cleanup();

		void FinaliseConversionL();

		//from MHtmlToCrtConvResourceFile

		HBufC* ReadResourceHBufCLC(TInt aResourceId);

		TRgb ReadResourceTRgbLC(TInt aResourceId);

	private:

		CRichText* iText;

		CParaFormatLayer* iParaFormatLayer;

		CCharFormatLayer* iCharFormatLayer;

		CHtmlToCrtConvBuffer* iBuffer;

		CHtmlToCrtConvParser* iParser;

		CHtmlToCrtConvCharsetConvert* iCharsetConvert;

		CCnvCharacterSetConverter* iCnvCharacterSetConverter;

		MConverterUiObserver* iObserver;

		HBufC* iSourceFileName;

		HBufC* iTargetFileName;

		RFs iFsSession;

		RResourceFile iResourceFile;

		TConverterState iConverterState;

	};

#endif