bluetoothappprofiles/avrcp/statusconverter/remconavrcpstatusconverter.h
author hgs
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// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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/**
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 @file
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 @internalComponent
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*/
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#ifndef REMCONAVRCPSTATUSCONVERTER_H
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#define REMCONAVRCPSTATUSCONVERTER_H
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#include <e32base.h>
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#include <remcon/remconconverterinterface.h>
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#include <remcon/remconconverterplugin.h>
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// These values are in bytes
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const TUint KUnitIdOffset = 4;
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const TUint KUnitIdLength = 1;
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const TUint KUnitTypeOffset = 4;
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const TUint KUnitTypeLength =1;
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const TUint KUnitTypeExtendOffset = 5;
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const TUint KUnitTypeExtendExtendOffset = 6;
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const TUint KVendorIdBaseOffset = 5;
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const TUint KVendorIdLength = 3;
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const TUint KUnitInfoResponseLength = 8;
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const TUint KRemConStatusApiDefaultPageDataLength = 4;
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const TUint KSubunitPageOffset = 3;
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const TUint KSubunitPageLength = 1;
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const TUint KSubunitExtensionOffset = 3;
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const TUint KSubunitExtensionLength = 1;
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const TUint KSubunitPageDataOffset = 4;
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// These values are in bits
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const TUint KUnitTypeShift = 3;
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// Defined values for comparison
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const TUint KUnitTypeExtend = 0x1e;
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const TUint KUnitTypeExtendExtend = 0xff;
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const TUint KSubunitPageMask = 0xf8;
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const TUint KSubunitExtensionMask = 0x7;
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const TUint KRemConStatusApiDefaultVendorId = 0xffffff;
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const TUint KRemConStatusApiDefaultPageData = 0xffffff48;
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_LIT(KStatusConverterPanicName, "Stat Conv Panic");
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enum TStatusConverterPanic
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	{
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	EStatusConverterWrongInterface = 0,
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	EStatusConverterDataTooShort = 1,
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	EAvrcpPassedTooSmallABuffer = 2,
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	};
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class CAVCFrame;
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NONSHARABLE_CLASS(CRemConAvrcpStatusConverter) : public CRemConConverterPlugin, public MRemConConverterInterface
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	{
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public:
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	static CRemConAvrcpStatusConverter* NewL();
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	~CRemConAvrcpStatusConverter();
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private: // from CRemConConverterPlugin
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	TAny* GetInterface(TUid aUid);
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	// from MRemConConverterInterface
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	TInt InterfaceToBearer(TUid aInterfaceUid, 
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		TUint aOperationId,
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		const TDesC8& aData,
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		TRemConMessageType aMsgType, 
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		TDes8& aBearerData) const;
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	TInt BearerToInterface(const TDesC8& aBearerData,
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		TUid& aInterfaceUid, 
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		TUint& aOperationId,
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		TRemConMessageType& aMsgType, 
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		TDes8& aData) const;
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	TBool SupportedUids(const TUid& aInterfaceUid, 
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		const TUid& aBearerUid) const;
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	TBool SupportedInterface(const TDesC8& aInterfaceData, 
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		const TUid& aBearerUid) const;
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private:
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	CRemConAvrcpStatusConverter();
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	static CAVCFrame* UnitInfoL();
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	static CAVCFrame* SubunitInfoL();
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	static void SetUnitInfoResponseDataL(const TDesC8& aBearerData,
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		TDes8& aRemConData);
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	static void SetSubunitInfoResponseDataL(const TDesC8& aBearerData, 
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		TDes8& aRemConData);
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	static void ReadCommandDataToInt(const TDesC8& aCommandData, 
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		TInt aOffset, TInt aLength, TInt& aValue);
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	static void SetCommandDataFromInt(TDes8& aCommandData, 
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		TInt aOffset, TInt aLength, TInt aValue);
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	static void Panic(TStatusConverterPanic aPanic);
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	};
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#endif // REMCONAVRCPSTATUSCONVERTER_H