// 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:

// Defines the avdtp message base class

// 

//

/**

 @file

 @internalComponent

*/

#ifndef AVDTPMESSAGE_H

#define AVDTPMESSAGE_H

#include <es_mbuf.h>

NONSHARABLE_CLASS(CAvdtpMessage) : public CBase

	{

public:

	/**

	@return KErrNone if successful and data as expected

			KErrNotReady if data not as expected (N.B. could indicate an abort message)

	*/

	virtual TInt NewData(TUint aCount/*RMBufChain& aFragment*/)=0;

	void AppendDataL(const TDesC8& aData);

	void AppendDataL(const TChar& aChar);

	inline RMBufChain& Data();

	virtual ~CAvdtpMessage();

protected:

	void AppendNewData(RMBufChain& aFragment);

	TPtrC8 DataPtr(TInt aFrom); // MBuf helper (!) which operates on the packet to the end

	TPtrC8 DataPtr(TInt aFrom, TInt aTo); // MBuf helper (!) which operates on the packet

private:

	RMBufChain	iPacket; // new packets might join with this to defrag

	};

RMBufChain& CAvdtpMessage::Data()

	{

	return iPacket;

	}

#endif //AVDTPMESSAGE_H