1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef AVRCPCOMMAND_H

    17 #define AVRCPCOMMAND_H

    18 

    19 /**

    20 @file

    21 @internalComponent

    22 @released

    23 */

    24 

    25 #include <e32base.h>

    26 #include <bluetoothav.h>

    27 #include <bluetooth/avctptypes.h>

    28 #include "internaltypes.h"

    29 

    30 class CAvrcpPlayerInfoManager;

    31 /**

    32 This class is a base class for all AVRCP commands.  It provides 

    33 the functionality that is common between the AV/C and Browse 

    34 commands.

    35 */

    36 NONSHARABLE_CLASS(CAvrcpCommand) : public CBase

    37 	{

    38 public:

    39 	// called from Router

    40 	void Sent();

    41 	virtual SymbianAvctp::TMessageType MessageType() const = 0;

    42 	

    43 	// Called by users of command

    44 	void DecrementUsers();

    45 	void IncrementUsers();

    46 

    47 	// Called from bearer

    48 	void GetCommandInfo(TUid& aInterfaceUid, 

    49 		TUint& aId, 

    50 		TUint& aOperationId, 

    51 		RBuf8& aCommandData, 

    52 		TBTDevAddr& aAddr);

    53 

    54 	virtual const TDesC8& Data() const = 0;

    55 	

    56 	const TBTDevAddr& RemoteAddress() const;

    57 	SymbianAvctp::TTransactionLabel TransactionLabel() const;

    58 	TUint RemConCommandId() const;

    59 	

    60 	const TUid& RemConInterfaceUid() const;

    61 	TUint RemConOperationId() const;

    62 	

    63 	TBool KnownToBearer() const;

    64 

    65 protected:

    66 	explicit CAvrcpCommand(TUint aRemConId,

    67 			SymbianAvctp::TTransactionLabel aTransactionLabel, 

    68 			const TBTDevAddr& aAddr);

    69 	

    70 public:

    71 	TBTDblQueLink	iHandlingLink;	// Used to form handling queue in command handlers

    72 	TBTDblQueLink	iReadyLink;		// Used to form ready command queue in CRemConBearerAvrcp

    73 	TBTDblQueLink	iSendLink;		// Used to form send queue in CRcpRouter

    74 

    75 protected:

    76 	TUint							iRemConId;

    77 	SymbianAvctp::TTransactionLabel	iTransactionLabel;

    78 		

    79 	TBTDevAddr						iRemoteAddr;

    80 

    81 	TUid							iInterfaceUid;

    82 	TUint							iOperationId;

    83 	RBuf8							iCommandData;

    84 	

    85 	TUint							iUsers;

    86 	TBool							iKnownToBearer;

    87 	

    88 	CAvrcpPlayerInfoManager*  		iPlayerInfoManager;

    89 	};

    90 

    91 #endif //AVRCPCOMMAND_H