// Copyright (c) 2004-2009 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:

//

/**

 @file

 @internalComponent

*/

#ifndef REMCONAVRCPSTATUSCONVERTER_H

#define REMCONAVRCPSTATUSCONVERTER_H

#include <e32base.h>

#include <remcon/remconconverterinterface.h>

#include <remcon/remconconverterplugin.h>

// These values are in bytes

const TUint KUnitIdOffset = 4;

const TUint KUnitIdLength = 1;

const TUint KUnitTypeOffset = 4;

const TUint KUnitTypeLength =1;

const TUint KUnitTypeExtendOffset = 5;

const TUint KUnitTypeExtendExtendOffset = 6;

const TUint KVendorIdBaseOffset = 5;

const TUint KVendorIdLength = 3;

const TUint KUnitInfoResponseLength = 8;

const TUint KRemConStatusApiDefaultPageDataLength = 4;

const TUint KSubunitPageOffset = 3;

const TUint KSubunitPageLength = 1;

const TUint KSubunitExtensionOffset = 3;

const TUint KSubunitExtensionLength = 1;

const TUint KSubunitPageDataOffset = 4;

// These values are in bits

const TUint KUnitTypeShift = 3;

// Defined values for comparison

const TUint KUnitTypeExtend = 0x1e;

const TUint KUnitTypeExtendExtend = 0xff;

const TUint KSubunitPageMask = 0xf8;

const TUint KSubunitExtensionMask = 0x7;

const TUint KRemConStatusApiDefaultVendorId = 0xffffff;

const TUint KRemConStatusApiDefaultPageData = 0xffffff48;

_LIT(KStatusConverterPanicName, "Stat Conv Panic");

enum TStatusConverterPanic

	{

	EStatusConverterWrongInterface = 0,

	EStatusConverterDataTooShort = 1,

	EAvrcpPassedTooSmallABuffer = 2,

	};

class CAVCFrame;

NONSHARABLE_CLASS(CRemConAvrcpStatusConverter) : public CRemConConverterPlugin, public MRemConConverterInterface

	{

public:

	static CRemConAvrcpStatusConverter* NewL();

	~CRemConAvrcpStatusConverter();

private: // from CRemConConverterPlugin

	TAny* GetInterface(TUid aUid);

	// from MRemConConverterInterface

	TInt InterfaceToBearer(TUid aInterfaceUid, 

		TUint aOperationId,

		const TDesC8& aData,

		TRemConMessageType aMsgType, 

		TDes8& aBearerData) const;

	TInt BearerToInterface(const TDesC8& aBearerData,

		TUid& aInterfaceUid, 

		TUint& aOperationId,

		TRemConMessageType& aMsgType, 

		TDes8& aData) const;

	TBool SupportedUids(const TUid& aInterfaceUid, 

		const TUid& aBearerUid) const;

	TBool SupportedInterface(const TDesC8& aInterfaceData, 

		const TUid& aBearerUid) const;

private:

	CRemConAvrcpStatusConverter();

	static CAVCFrame* UnitInfoL();

	static CAVCFrame* SubunitInfoL();

	static void SetUnitInfoResponseDataL(const TDesC8& aBearerData,

		TDes8& aRemConData);

	static void SetSubunitInfoResponseDataL(const TDesC8& aBearerData, 

		TDes8& aRemConData);

	static void ReadCommandDataToInt(const TDesC8& aCommandData, 

		TInt aOffset, TInt aLength, TInt& aValue);

	static void SetCommandDataFromInt(TDes8& aCommandData, 

		TInt aOffset, TInt aLength, TInt aValue);

	static void Panic(TStatusConverterPanic aPanic);

	};

#endif // REMCONAVRCPSTATUSCONVERTER_H