// 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 __MMF_CLIENT_RECOGNIZER_H__

#define __MMF_CLIENT_RECOGNIZER_H__

#include <e32base.h>

#include <apmrec.h>

#include <apmstd.h>

#include "mmfcontrollerpluginresolver.h"

const int KRecMmfDllUidValue = 0x101f7c0c;

typedef	TBuf8<KMaxDataTypeLength> TMimeDataType;

/**

 * @internalComponent

 *

 * Class owned by the CApaMmfRecognizer recognizer class.

 * maintains a list of MIME-types supported and

 * an instance of the CMmfRecognizerUtil class which contains

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

 * 

 */

class CMmfRecognizer : public CBase

	{

public:

	enum TMatchMethod

		{

		ENotMatched,

		EByName,

		EBySignature

		};

public:

	static CMmfRecognizer* NewL();

	virtual ~CMmfRecognizer();

	void BuildListL();

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

	const TDesC8& MimeString() const;

	const TPtrC8 SupportedDataTypeL(TInt aIndex) const;

	TInt NumMimeTypes() const;

private:

	CMmfRecognizer();

	void ConstructL();

private:

	CDesC8Array* iMimeTypes;				// owned

	TBuf8<KMaxDataTypeLength> iMimeString;

	CMmfRecognizerUtil* iMmfRecognizerUtil;	// owned 

	};

/**

 * @internalAll

 *

 * Concrete implementation of the recognizer API

 * Used to recognize non-native files supported by the

 * Multimedia framework. e.g. .WAV files, .AU files etc

 */

class CApaMmfRecognizer : public CApaDataRecognizerType 

	{

public: 

	static CApaMmfRecognizer* NewL();	

	~CApaMmfRecognizer();

	TDataType SupportedDataTypeL(TInt aIndex) const;

	TUint PreferredBufSize();	

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

private: 

	CApaMmfRecognizer();

	void ConstructL();

private:

	CMmfRecognizer* iMmfRecognizer;

	};

#endif