// Copyright (c) 2007-2009 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:

// This file contains structures shared by the AVRCP API with the AVRCP bearer.

// 

//

/**

 @file

 @internalTechnology

 @released

*/

#ifndef AVRCPIPC_H

#define AVRCPIPC_H

#include <s32mem.h>

#include <remcon/avrcpspec.h>

// Structure of commands for AVRCP player information requests via IPC

class RAvrcpIPC

{

public:

	IMPORT_C static TMetadataTransferPDU GetPDUIdFromIPCOperationId(TInt aOperationId);

	IMPORT_C static TRegisterNotificationEvent GetEventIdFromIPCOperationId(TInt aOperationId);

	IMPORT_C static TInt SetIPCOperationIdFromEventId(TRegisterNotificationEvent aEventId);

	IMPORT_C static TUint8 SymbianErrToStatus(TInt aErr);

    IMPORT_C static TInt SymbianErrorCheck(TInt aError);

public:

	virtual void ReadL(const TDesC8& aData) = 0;

	virtual void WriteL(TDes8& aOutData) = 0;

protected:

	// Big-endian methods; Symbian native methods are little-endian

	TUint8  Read8L();

	TUint16 Read16L();

	TUint32 Read32L();

	TUint32 Read24L();   // Required for PDU 0x10

	TUint64 Read64L();

	void Write8L(TUint8 aVal);

	void Write16L(TUint16 aVal);

	void Write24L(TUint32 aVal); // Required for PDU 0x10

	void Write32L(TUint32 aVal);

	void Write64L(TUint64 aVal);

	void Close();

public:

	RDesWriteStream iStream;

	RDesReadStream iReadStream;

};

const TUint8 KLengthErrorResponse = 4;               // 4 bytes for errors returned via IPC

class RAvrcpIPCError : public RAvrcpIPC

{

public:

	IMPORT_C void ReadL(const TDesC8& aData);

	IMPORT_C void WriteL(TDes8& aOutData);

public:

	TInt iError;

};

#endif // AVRCPIPC_H