1 // Copyright (c) 2007-2009 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 // This file contains structures shared by the AVRCP API with the AVRCP bearer.

    15 // 

    16 //

    17 

    18 /**

    19  @file

    20  @internalTechnology

    21  @released

    22 */

    23 

    24 #ifndef AVRCPIPC_H

    25 #define AVRCPIPC_H

    26 

    27 #include <s32mem.h>

    28 #include <remcon/avrcpspec.h>

    29 

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

    31 class RAvrcpIPC

    32 {

    33 public:

    34 	IMPORT_C static TMetadataTransferPDU GetPDUIdFromIPCOperationId(TInt aOperationId);

    35 	IMPORT_C static TRegisterNotificationEvent GetEventIdFromIPCOperationId(TInt aOperationId);

    36 	IMPORT_C static TInt SetIPCOperationIdFromEventId(TRegisterNotificationEvent aEventId);

    37 	IMPORT_C static TUint8 SymbianErrToStatus(TInt aErr);

    38     IMPORT_C static TInt SymbianErrorCheck(TInt aError);

    39 	

    40 public:

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

    42 	virtual void WriteL(TDes8& aOutData) = 0;

    43 	

    44 protected:

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

    46 	TUint8  Read8L();

    47 	TUint16 Read16L();

    48 	TUint32 Read32L();

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

    50 	TUint64 Read64L();

    51 	void Write8L(TUint8 aVal);

    52 	void Write16L(TUint16 aVal);

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

    54 	void Write32L(TUint32 aVal);

    55 	void Write64L(TUint64 aVal);

    56 	void Close();

    57 

    58 public:

    59 	RDesWriteStream iStream;

    60 	RDesReadStream iReadStream;

    61 };

    62 

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

    64 class RAvrcpIPCError : public RAvrcpIPC

    65 {

    66 public:

    67 	IMPORT_C void ReadL(const TDesC8& aData);

    68 	IMPORT_C void WriteL(TDes8& aOutData);

    69 	

    70 public:

    71 	TInt iError;

    72 };

    73 

    74 #endif // AVRCPIPC_H