bluetoothappprofiles/avrcp/remconbeareravrcp/inc/controlcommand.h
changeset 70 f5508c13dfe0
parent 67 16e4b9007960
child 71 083fd884d7dd
equal deleted inserted replaced
67:16e4b9007960 70:f5508c13dfe0
     1 // Copyright (c) 2004-2009 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 CONTROLCOMMAND_H
       
    17 #define CONTROLCOMMAND_H
       
    18 
       
    19 /**
       
    20 @file
       
    21 @internalComponent
       
    22 @released
       
    23 */
       
    24 
       
    25 #include <avctpservices.h>
       
    26 #include <e32base.h>
       
    27 #include <remconcoreapi.h>
       
    28 #include <remcon/remconbearerplugin.h>
       
    29 #include <remcon/clientid.h>
       
    30 
       
    31 #include <avcframe.h>
       
    32 
       
    33 #include "avrcpcommand.h"
       
    34 #include "avrcptimer.h"
       
    35 #include "avrcpfragmenter.h"
       
    36 
       
    37 const TInt KRcpResponseTimeOut = 30000000;	// Allow remote 300ms to respond
       
    38 const TInt KRcpHoldThreshold = 300000;		// After 300ms we may assume an unreleased button 
       
    39 											// action is a press and hold
       
    40 const TInt KRcpIncomingButtonReleaseTimeout = 1700000; // 1.7s (ie 2s - 300ms), if a button press 
       
    41 											// has not been released after 2s we assume the release
       
    42 											// has been lost (and generate one internally)	
       
    43 const TInt KRcpOutgoingButtonReleaseTimeout = 1000000; // The remote expects a press refresh within
       
    44 											// 2s, it's fine to send one before that.
       
    45 
       
    46 const TUint KRemConStatusApiDefaultPageDataLength = 4;
       
    47 const TUint KRemConMetadataHeaderLength = 4;
       
    48 
       
    49 // Absolute lengths of Vendor Dependent PDU requests
       
    50 const TUint8 KLengthGetCapabilitiesPdu = 1;          // PDU 0x10
       
    51 const TUint8 KLengthListPASAttributesPdu = 0;        // PDU 0x11
       
    52 const TUint8 KLengthListPASValuesPdu = 1;            // PDU 0x12
       
    53 const TUint8 KLengthInformBatteryStatusOfCTPdu = 1;  // PDU 0x18
       
    54 const TUint8 KLengthGetPlayStatusPdu = 0;            // PDU 0x30
       
    55 const TUint8 KLengthRegisterNotification = 5;        // PDU 0x31
       
    56 const TUint8 KLengthSetAddressedPlayerPdu = 2;		 // PDU 0x60
       
    57 
       
    58 // Minimum lengths of Vendor Dependent PDU requests
       
    59 const TUint8 KMinLengthGetCurrentPASValuePdu = 2;    // PDU 0x13
       
    60 const TUint8 KMinLengthSetPASValuePdu = 1;           // PDU 0x14
       
    61 const TUint8 KMinLengthGetPASAttributeTextPdu = 2;   // PDU 0x15
       
    62 const TUint8 KMinLengthGetPASValueTextPdu = 3;       // PDU 0x16
       
    63 const TUint8 KMinLengthGetElementAttributesPdu = 9;  // PDU 0x20
       
    64 const TUint8 KMinLengthAddToNowPlayingPdu = 11;      // PDU 0x90
       
    65 
       
    66 // Other lengths
       
    67 const TUint8 KLengthPlaybackPosChangedParam = 4;     // Parameter length for this event (section 5.4.2)
       
    68 const TUint8 KVendorDependentNumberAttributes = 0;   // Index to Number of attributes (the first byte)
       
    69 const TUint8 KVendorDependentNumberAttribsPdu16 = 1; // Index to Number of attributes for PDU 0x16 (the second byte)
       
    70 const TUint8 KVendorDependentEventId = 0;            // Index to Event Id (the first byte)
       
    71 
       
    72 enum TMetadataTransferErrorCodes
       
    73 	{
       
    74 	EInvalidCommand		= 0x0,
       
    75 	EInvalidParameter	= 0x1,
       
    76 	EParameterNotFound	= 0x2,
       
    77 	EInternalError		= 0x3,
       
    78 	};
       
    79 
       
    80 enum TMetaDataTransferPacketType
       
    81 	{
       
    82 	EUnfragmented		= 0x0,
       
    83 	EFragmentStart		= 0x1,
       
    84 	EFragmentContinue	= 0x2,
       
    85 	EFragmentEnd		= 0x3,
       
    86 	};
       
    87 
       
    88 // Format of the first 3 bytes of a Vendor Dependent Request
       
    89 // See example packets in AVRCP Specification Appendix I (page 84)
       
    90 const TUint8 KVendorDependentRequestPDUId        = 0;
       
    91 const TUint8 KVendorDependentRequestReservedByte = 1;
       
    92 const TUint8 KVendorDependentRequestParamLenMSB  = 2;
       
    93 const TUint8 KVendorDependentRequestParamLenLSB  = 3;
       
    94 
       
    95 //See example packets in AVRCP Specification Appendix D (Volume Change Notification)
       
    96 const TUint8 KVendorDependentNotifyEventIdOffset = 4;
       
    97 
       
    98 // Format of the first 2 bytes of a Pass Through Request
       
    99 // See example packets in AVRCP Specification Appendix I (page 89)
       
   100 const TUint8 KPassThroughRequestOperationIdMSB  = 0;
       
   101 const TUint8 KPassThroughRequestOperationIdLSB  = 1;
       
   102 
       
   103 const TInt KSetAddressedPlayerPlayerIdOffset = 0;
       
   104 
       
   105 const TInt KCapabilityIdOffset = 0;
       
   106 
       
   107 const TInt KNumberEventsNotInPlayerInfoApi = 5;
       
   108 
       
   109 typedef TUint8 TMetadataTransferPDUID;
       
   110 typedef TUint8 TMetadataTransferNotifyEventID;
       
   111 
       
   112 class CRcpRemoteDevice;
       
   113 class CAVRCPFragmenter;
       
   114 class CRcpIncomingCommandHandler;
       
   115 class MRemConBearerObserver;
       
   116 class CAvrcpPlayerInfoManager;
       
   117 class CAvrcpPlayerInfoManager;
       
   118 NONSHARABLE_CLASS(CControlCommand) : public CAvrcpCommand
       
   119 	{
       
   120 public:
       
   121 	static CControlCommand* NewL(TUid aInterfaceUid,
       
   122 		TUint aCommand, 
       
   123 		TUint aRemConId, 
       
   124 		SymbianAvctp::TTransactionLabel aTransactionLabel, 
       
   125 		RBuf8& aCommandData, 
       
   126 		TBool aIsClick,
       
   127 		const TBTDevAddr& aAddr,
       
   128 		TBool aKnownToBearer);
       
   129 		
       
   130 	static CControlCommand* NewL(CAVCFrame* aFrame, 
       
   131 		TUint aRemConId,
       
   132 		SymbianAvctp::TTransactionLabel aTransLabel, 
       
   133 		const TBTDevAddr& aAddr,
       
   134 		const TRemConClientId& aClientId,
       
   135 		CAvrcpPlayerInfoManager* aPlayerInfoManager);
       
   136 	
       
   137 	SymbianAvctp::TMessageType MessageType() const;
       
   138 	const TDesC8& Data() const; 
       
   139 	
       
   140 	// Called from bearer
       
   141 	const TRemConClientId& ClientId() const;
       
   142 		
       
   143 	// Called from handlers
       
   144 	TInt ParseIncomingCommandL(MRemConBearerObserver& aObserver, CAVRCPFragmenter& aFragmenter);
       
   145 	void ProcessOutgoingCommandL(MRemConBearerObserver& aObserver);
       
   146 	TInt ParseIncomingResponse(MRemConBearerObserver& aObserver, const CAVCFrame& aFrame);
       
   147 	TInt ProcessOutgoingResponse(MRemConBearerObserver& aObserver, RBuf8& aCommandData, CAVRCPFragmenter& aFragmenter);
       
   148 	void SetResponseType(TInt aErr);
       
   149 	
       
   150 	TDeltaTimerEntry* TimerEntry();
       
   151 	TAvrcpTimerExpiryInfo* TimerExpiryInfo();
       
   152 	void CancelTimer(CDeltaTimer& aTimer);
       
   153 	
       
   154 	const CAVCFrame& Frame() const;
       
   155 	AVCPanel::TButtonAction ButtonAct() const;
       
   156 	TBool Click() const;
       
   157 	void SetClick(TBool aIsClick);
       
   158 	void ReSetCoreButtonActionL(TRemConCoreApiButtonAction aButtonAct, TBool aCommand);
       
   159 
       
   160 	void SetCoreButtonAction(TRemConCoreApiButtonAction aButtonAct, TBool aCommand);
       
   161 	TInt InsertCoreResult(TInt aResult);
       
   162 	TBool IsAvrcpPassthrough() const;
       
   163 	TBool IsPassthrough() const;
       
   164 	TInt SetSetAbsoluteVolumeResult(const CAVCFrame& aFrame);
       
   165 	TInt SetNotifyVolumeChangeResult(const CAVCFrame& aFrame);
       
   166 	TBool PlayerSpecificNotify() const;
       
   167 	TBool NormalCommand();
       
   168 	
       
   169 	CControlCommand* InterimResponseL();
       
   170 	
       
   171 private:
       
   172 	CControlCommand(TUid aInterfaceUid,
       
   173 		TUint aCommand,
       
   174 		TUint aRemConId, 
       
   175 		SymbianAvctp::TTransactionLabel aTransactionLabel, 
       
   176 		RBuf8& aCommandData, 
       
   177 		TBool aIsClick,
       
   178 		const TBTDevAddr& aAddr,
       
   179 		TBool aKnownToBearer);
       
   180 
       
   181 	CControlCommand(CAVCFrame* aFrame,
       
   182 		TUint aRemConId,
       
   183 		SymbianAvctp::TTransactionLabel aTransLabel, 
       
   184 		const TBTDevAddr& aAddr,
       
   185 		const TRemConClientId& aClientId,
       
   186 		CAvrcpPlayerInfoManager* aPlayerInfoManager);
       
   187 
       
   188 	void ConstructL();
       
   189 	~CControlCommand();
       
   190 	
       
   191 	TInt ParseIncomingKnownOpcodeL(MRemConBearerObserver& aObserver);
       
   192 	TInt ParseIncomingVendorCommandL(MRemConBearerObserver& aObserver, CAVRCPFragmenter& aFragmenter);
       
   193 
       
   194 	void ParseIncomingUnknownResponse(MRemConBearerObserver& aObserver, const CAVCFrame& aFrame);
       
   195 
       
   196 	TInt ParseInformBatteryStatusOfCT( TPtrC8& mtPayload);
       
   197 													 
       
   198 	TInt ParseContinuingResponse(TPtrC8& mtPayload,
       
   199 									CAVRCPFragmenter& aFragmenter);
       
   200 										
       
   201 	TInt ParseAbortContinuingResponse(TPtrC8& mtPayload,
       
   202 									CAVRCPFragmenter& aFragmenter);
       
   203 										
       
   204 	TInt ParseSetPlayerApplicationSettingValue(TPtrC8& mtPayload);
       
   205 	TInt ParseGetCapabilities(TPtrC8& aMtPayload);
       
   206 	TInt ParseGetPlayStatus(TPtrC8& aMtPayload);
       
   207 	TInt ParseListPlayerApplicationSettingAttributes(TPtrC8& aMtPayload);
       
   208 	TInt ParseListPlayerApplicationSettingValues(TPtrC8& aMtPayload);
       
   209 	TInt ParseGetCurrentPlayerApplicationSettingValue(TPtrC8& aMtPayload);
       
   210 	TInt ParseGetPlayerApplicationSettingAttributeText(TPtrC8& aMtPayload);
       
   211 	TInt ParseGetPlayerApplicationSettingValueText(TPtrC8& aMtPayload);
       
   212 	TInt ParseGetElementAttributes(TPtrC8& aMtPayload);
       
   213 	TInt ParseSetAddressedPlayer(TPtrC8& aMtPayload);
       
   214 	TInt ParsePlayItem(TPtrC8& aMtPayload);
       
   215 	TInt ParseAddToNowPlaying(TPtrC8& aMtPayload);
       
   216 	TInt ParseUidsChangedNotification(TPtrC8& aMtPayload);
       
   217 	TInt ParseInternalUidsChangedNotification(TPtrC8& aMtPayload);
       
   218 	TInt ParseVolumeChangedNotification(TPtrC8& aMtPayload);
       
   219 	TInt ParseSetAbsoluteVolume(TPtrC8& aMtPayload);
       
   220 	void DoParseSetAbsoluteVolumeL(const TPtrC8& aMtPayload, TDes8& aPayload);
       
   221 
       
   222 	TInt ParseMetadataTransferVendorCommand(CAVRCPFragmenter& aFragmenter);
       
   223 	TInt ParseVendorUniquePassthroughCommand(MRemConBearerObserver& aObserver);
       
   224 	TInt ParseMetadataTransferPassthroughCommand();
       
   225 	TInt GenerateMetadataResponsePayload(MRemConBearerObserver& aObserver, RBuf8& aFramePayload, const RBuf8& aResponseData);
       
   226 	TInt GenerateMetadataGetCapabilitiesResponsePayloadL(MRemConBearerObserver& aObserver, RBuf8& aFramePayload, const RBuf8& aResponseData);
       
   227 	void GenerateSetAbsoluteVolumeResponsePayloadL(RBuf8& aFramePayload, const TDesC8& responseData);
       
   228 	void DoGenerateNotifyVolumeChangeResponsePayloadL(RBuf8& aFramePayload, const TDesC8& responseData);
       
   229 	TInt GenerateNotificationResponsePayload(RBuf8& aFramePayload, const TDesC8& aResponseData);
       
   230 	void GenerateMetadataRejectPayloadL(TInt aError);
       
   231 	void SetVendorInfoL(TBool aIsPassthrough);
       
   232 
       
   233 	void DoProcessOutgoingResponseL(MRemConBearerObserver& aObserver, RBuf8& aCommandData,
       
   234 									CAVRCPFragmenter& aFragmenter);
       
   235 
       
   236 	TUint8 GetPDUIdFromIPCOperationId(TInt aOperationId);
       
   237 	TUint8 GetEventIdFromIPCOperationId(TInt aOperationId);
       
   238 
       
   239 	TInt RespondToInforms(TMetadataTransferPDUID aMetadataPDUID);
       
   240 	TInt AppendIncomingPayload(const TPtrC8& aPayload);
       
   241 	
       
   242 	static TInt AvrcpToRemConOperation(TUint aAvrcpOp, TUint& aRemConOp, TUid& aRemConIf);
       
   243 	static TInt RemConToAvrcpOperation(TUint aRemConOp, AVCPanel::TOperationId& aAvrcpOp);
       
   244 	
       
   245 	TUint16 Get16(const TPtrC8& aPtr);
       
   246 	
       
   247 	static TInt DummyCallback(TAny*);
       
   248 
       
   249 	void DoSetAbsoluteVolumeResultL(const CAVCFrame& aFrame);
       
   250 	void DoSetNotifyVolumeChangeResultL(const CAVCFrame& aFrame);
       
   251 	
       
   252 private:
       
   253 	TBool							iIsClick;
       
   254 	
       
   255 	TDeltaTimerEntry*				iTimerEntry;
       
   256 	TAvrcpTimerExpiryInfo*			iTimerExpiryInfo;
       
   257 	
       
   258 	CAVCFrame*						iFrame;
       
   259 	AVC::TAVCVendorId				iVendorId;
       
   260 	TPtrC8							iVendorPayloadData; // ptr to the vendor data in iFrame;
       
   261 	
       
   262 	TRemConClientId					iClientId;
       
   263 	};
       
   264 
       
   265 class MetadataTransferParser
       
   266 	{
       
   267 public:
       
   268     static AVC::TAVCVendorId GetVID(const CAVCFrame& aFrame); // could be elsewhere really!
       
   269 	static TMetadataTransferPDUID GetPDUID(const TPtrC8& aData);
       
   270 	static TUint16 GetParamLength(const TPtrC8& aData);
       
   271 	static TUint16 GetPassThroughOperationId(const TPtrC8& aData);
       
   272 	static TMetadataTransferPDUID GetNotifyEventID(const TPtrC8& aData);
       
   273 	};
       
   274 
       
   275 	
       
   276 #endif // CONTROLCOMMAND_H