// Copyright (c) 2003-2009 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 __ICL_CLIENT_RECOGNIZER_H__

#define __ICL_CLIENT_RECOGNIZER_H__

#include <e32base.h>

#include <apmrec.h>

#include <apmstd.h>

#include <imageconversion.h>

#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS

#include <iclrecognizerutil.h>

#endif

const int KRecIclDllUidValue = 0x101f7c0b;

class CImgDisplayMimeTypeRecognizer;

/**

 * @internalComponent

 *

 * Class owned by the CApaIclRecognizer recognizer class.

 * maintains a list of MIME-types supported and

 * an instance of the CIclRecognizerUtil class which contains

 * ECOM-derived information about the header data to match against.

 * Both the ImageDecoder and ImageDisplay plug-ins are used to determine

 * Mime type. ImageDecoder plug-ins are used first.

 * 

 */

class CIclRecognizer : public CBase

	{

public:

	enum TMatchMethod

		{

		ENotMatched,

		EByName,

		EBySignature

		};

public:

	static CIclRecognizer* NewL();	

	virtual ~CIclRecognizer();

	void BuildListL();

	TMatchMethod MatchL(const TDesC8& aBuffer, const TDesC& aFileName);

	const TDesC8& MimeString() const;

	const TDesC8& SupportedDataTypeL(TInt aIndex) const;

	TInt NumMimeTypes() const;

private:

	CIclRecognizer();

	void ConstructL();

private:

	RFileExtensionMIMETypeArray iFileExtensionMIMETypeArray;	

	TBuf8<KMaxDataTypeLength> iMimeString;

	CIclRecognizerUtil* iIclRecognizerUtil;	// owned

	CImgDisplayMimeTypeRecognizer* iImgDisplayRecognizer;

	};

/**

 * @internalAll

 *

 * Concrete implementation of the recognizer API

 * Used to recognize non-native files supported by the

 * Image conversion library. e.g .BMP files etc.

 */

class CApaIclRecognizer : public CApaDataRecognizerType 

	{

public: 

	static CApaIclRecognizer* NewL();		

	~CApaIclRecognizer();

	TDataType SupportedDataTypeL(TInt aIndex) const;

	TUint PreferredBufSize();	

	void DoRecognizeL(const TDesC& aName, const TDesC8& aBuffer);

private: 

	CApaIclRecognizer();

	void ConstructL();

private:

	CIclRecognizer* iIclRecognizer;

	};

#endif