bluetoothappprofiles/avrcp/remconbeareravrcp/inc/avrcpcommand.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 20:28:57 +0200
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// Copyright (c) 2008-2009 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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#ifndef AVRCPCOMMAND_H
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#define AVRCPCOMMAND_H
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/**
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@file
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@internalComponent
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@released
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*/
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#include <e32base.h>
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#include <bluetoothav.h>
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#include <bluetooth/avctptypes.h>
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#include "internaltypes.h"
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class CAvrcpPlayerInfoManager;
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/**
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This class is a base class for all AVRCP commands.  It provides 
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the functionality that is common between the AV/C and Browse 
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commands.
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*/
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NONSHARABLE_CLASS(CAvrcpCommand) : public CBase
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	{
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public:
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	// called from Router
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	void Sent();
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	virtual SymbianAvctp::TMessageType MessageType() const = 0;
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	// Called by users of command
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	void DecrementUsers();
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	void IncrementUsers();
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	// Called from bearer
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	void GetCommandInfo(TUid& aInterfaceUid, 
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		TUint& aId, 
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		TUint& aOperationId, 
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		RBuf8& aCommandData, 
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		TBTDevAddr& aAddr);
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	virtual const TDesC8& Data() const = 0;
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	const TBTDevAddr& RemoteAddress() const;
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	SymbianAvctp::TTransactionLabel TransactionLabel() const;
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	TUint RemConCommandId() const;
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	const TUid& RemConInterfaceUid() const;
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	TUint RemConOperationId() const;
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	TBool KnownToBearer() const;
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protected:
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	explicit CAvrcpCommand(TUint aRemConId,
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			SymbianAvctp::TTransactionLabel aTransactionLabel, 
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			const TBTDevAddr& aAddr);
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public:
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	TBTDblQueLink	iHandlingLink;	// Used to form handling queue in command handlers
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	TBTDblQueLink	iReadyLink;		// Used to form ready command queue in CRemConBearerAvrcp
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	TBTDblQueLink	iSendLink;		// Used to form send queue in CRcpRouter
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protected:
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	TUint							iRemConId;
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	SymbianAvctp::TTransactionLabel	iTransactionLabel;
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	TBTDevAddr						iRemoteAddr;
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	TUid							iInterfaceUid;
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	TUint							iOperationId;
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	RBuf8							iCommandData;
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	TUint							iUsers;
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	TBool							iKnownToBearer;
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	CAvrcpPlayerInfoManager*  		iPlayerInfoManager;
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	};
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#endif //AVRCPCOMMAND_H