accessoryservices/accessoryserver/inc/Server/AccSrvNotificationQueue.h
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     1 /*
       
     2 * Copyright (c) 2002-2008 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Subsession handles are stored here for later handling
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #ifndef CACCSRVNOTIFICATIONQUEUE_H
       
    21 #define CACCSRVNOTIFICATIONQUEUE_H
       
    22 
       
    23 //  INCLUDES
       
    24 #include <e32std.h>
       
    25 #include <AccPolGenericID.h>
       
    26 #include <AccPolGenericIDArray.h>
       
    27 #include <AccPolAccessoryMode.h>
       
    28 #include <AsyCmdTypes.h>
       
    29 #include <AccessoryTypes.h>
       
    30 
       
    31 // CONSTANTS
       
    32 
       
    33 // MACROS
       
    34 
       
    35 // DATA TYPES
       
    36 enum TMsgID
       
    37     {
       
    38     EConnectAccessory,                      //ConnaecAccessory
       
    39     ENewAccessoryConnected,                 //NotifyNewAccessoryConnected
       
    40     EAccessoryConnectionStatusChanged,      //NotifyAccessoryConnectionStatusChanged
       
    41     EAccessoryConnectionStatusAsyncChanged, //GetAccessoryConnectionStatusAsync
       
    42     EAccessoryModeChanged,                  //NotifyAccessoryModeChanged
       
    43     EAccessoryModeAsyncChanged,             //GetAccessoryModeAsync
       
    44     EAccessoryDisconnected,                 //NotifyAccessoryDisconnected
       
    45     EAccessoryValueChangedTInt,             //NotifyAccessoryValueChangedTInt
       
    46     EAccessoryValueChangedTBool,            //NotifyAccessoryValueChangedTBool
       
    47     EAccessoryValueChangedObject,           //NotifyAccessoryValueChangedObject
       
    48     EBluetoothAudioLinkOpenReq,             //NotifyBluetoothAudioLinkOpenReq
       
    49     EBluetoothAudioLinkCloseReq,            //NotifyBluetoothAudioLinkCloseReq
       
    50     EAccessoryAudioLinkOpened,              //NotifyAccessoryAudioLinkOpened
       
    51     EAccessoryAudioLinkClosed,              //NotifyAccessoryAudioLinkClosed
       
    52     EAccessoryAudioLinkOpen,                //AccessoryAudioLinkOpen
       
    53     EAccessoryAudioLinkClose,               //AccessoryAudioLinkClose
       
    54     EBluetoothAudioLinkOpenResp,            //BluetoothAudioLinkOpenResp
       
    55     EBluetoothAudioLinkCloseResp,           //BluetoothAudioLinkCloseResp
       
    56     ENotifyProcessCommand,                  //NotifyProcessCommand
       
    57     ESetValue,                              //SetValueL
       
    58     EGetValue,                              //GetValueL
       
    59     EUnknown                                //Initialisation value for error tracking
       
    60     };
       
    61 
       
    62 // FUNCTION PROTOTYPES
       
    63 
       
    64 // FORWARD DECLARATIONS
       
    65 class MQueueObserver;
       
    66 
       
    67 // CLASS DECLARATION
       
    68 
       
    69 /**
       
    70 *  Queue class for observers to register and complete messages
       
    71 *
       
    72 *  @lib AccServer.lib
       
    73 *  @since S60 3.1
       
    74 */
       
    75 NONSHARABLE_CLASS( CAccSrvNotificationQueue ) : public CBase
       
    76     {
       
    77     public:  // Constructors and destructor
       
    78 
       
    79         /**
       
    80         * Two-phased constructor.
       
    81         */
       
    82         static CAccSrvNotificationQueue* NewL();
       
    83 
       
    84         /**
       
    85         * Destructor.
       
    86         */
       
    87         virtual ~CAccSrvNotificationQueue();
       
    88 
       
    89     public: // New functions
       
    90 
       
    91         /**
       
    92         * Register a observer to the queue.
       
    93         * @since S60 3.1
       
    94         * @param aMsgID    Message to which the observer is registered to.
       
    95         * @param aCallback Handle to observer.
       
    96         * @return void
       
    97         */
       
    98         void RegisterControlMessage( TMsgID aMsgID,
       
    99                                      MQueueObserver* aCallback );
       
   100 
       
   101         /**
       
   102         * Cancels registeration to the queue.
       
   103         * @since S60 3.1
       
   104         * @param aMsgID    Message to which the observer registereation is cancelled.
       
   105         * @param aCallback Handle to observer.
       
   106         * @return void
       
   107         */
       
   108         void CancelControlMessage( TMsgID aMsgID,
       
   109                                    MQueueObserver* aCallback );
       
   110 
       
   111         /**
       
   112         * Completes the message(s) from the queue. Call-back will be called
       
   113         * for all registered observers for message given as a parameter.
       
   114         * @since S60 3.1
       
   115         * @param aMsgID     Message to complete.
       
   116         * @param aErrorCode Error code for call-back.
       
   117         * @param aUniqueID  Generic IDs Unique ID for call-back.
       
   118         * @return void
       
   119         */
       
   120         void CompleteControlMessageL( TMsgID aMsgID,
       
   121                                       TInt aErrorCode,
       
   122                                       TInt aUniqueID );
       
   123 
       
   124         /**
       
   125         * Completes the message(s) from the queue. Call-back will be called
       
   126         * for all registered observers for message given as a parameter.
       
   127         * @since S60 3.1
       
   128         * @param aMsgID       Message to complete.
       
   129         * @param aCmdResponse Response value from ASY for call-back.
       
   130         * @param aErrorCode   Error code for call-back.
       
   131         * @param aTrId        Transaction ID for call-back.
       
   132         * @return void
       
   133         */
       
   134         void CompleteValueMessageL( TMsgID aMsgID,
       
   135                                     TAccValueTypeTBool aCmdResponse,
       
   136                                     TInt aErrorCode,
       
   137                                     TInt aTrId );
       
   138 
       
   139         /**
       
   140         * Completes the message(s) from the queue. Call-back will be called
       
   141         * for all registered observers for message given as a parameter.
       
   142         * @since S60 3.1
       
   143         * @param aMsgID       Message to complete.
       
   144         * @param aCmdResponse Response value from ASY for call-back.
       
   145         * @param aErrorCode   Error code for call-back.
       
   146         * @param aTrId        Transaction ID for call-back.
       
   147         * @return void
       
   148         */
       
   149         void CompleteValueMessageL( TMsgID aMsgID,
       
   150                                     TAccValueTypeTInt aCmdResponse,
       
   151                                     TInt aErrorCode,
       
   152                                     TInt aTrId );
       
   153 
       
   154         /**
       
   155         * Completes the message(s) from the queue. Call-back will be called
       
   156         * for all registered observers for message given as a parameter.
       
   157         * @since S60 3.1
       
   158         * @param aMsgID       Message to complete.
       
   159         * @param aCmdResponse Response value from ASY for call-back.
       
   160         * @param aErrorCode   Error code for call-back.
       
   161         * @param aTrId        Transaction ID for call-back.
       
   162         * @return void
       
   163         */
       
   164         void CompleteValueMessageL( TMsgID aMsgID,
       
   165                                     TDesC8& aCmdResponse,
       
   166                                     TInt aErrorCode,
       
   167                                     TInt aTrId );
       
   168 
       
   169         /**
       
   170         * Completes the message(s) from the queue. Call-back will be called
       
   171         * for all registered observers for message given as a parameter.
       
   172         * @since S60 3.1
       
   173         * @param aMsgID                 Message to complete.
       
   174         * @param aCmdn                  ASY command for call-back.
       
   175         * @param aTrId                  Transaction ID for call-back.
       
   176         * @param aASYCommandParamRecord ASY command parameters for call-back.
       
   177         * @param aPtrBuf Pointer to CBufFlat buffer where CAccPolObjectCon object
       
   178         *                is externalized to.
       
   179         * @return void
       
   180         */
       
   181         void CompleteASYCmdL( TMsgID aMsgID,
       
   182                               TProcessCmdId aCmdn,
       
   183                               TInt aTrId,
       
   184                               TASYCommandParamRecord& aASYCommandParamRecord,
       
   185                               TPtr8* aPtrBuf=NULL );
       
   186 
       
   187        /**
       
   188         * Completes the message(s) from the queue. Call-back will be called
       
   189         * for all registered observers for message given as a parameter.
       
   190         * @param aMsgID       Message to complete.
       
   191         * @param aTrId        Transaction ID for call-back.
       
   192         * @param aPtrBuf      Response value from ASY for call-back.
       
   193         *                     Pointer to CBufFlat buffer where CAccPolObjectCon object 
       
   194         *                     is externalized to.
       
   195         * @param aErrorCode   Error code for call-back.
       
   196         * @return void
       
   197         */
       
   198         void CompleteValueMessageL( TMsgID aMsgID,
       
   199                                     TInt aTrId,
       
   200                                     TPtr8* aPtrBuf,
       
   201                                     TInt aErrorCode );
       
   202 
       
   203 
       
   204         /**
       
   205         * Gets the number of waiting control messages.
       
   206         * @since S60 3.2
       
   207         * @param aMsgID                 Message to check.
       
   208         * @return The number of waiting messages
       
   209         */
       
   210         TInt ControlMessagesWaiting( TMsgID aMsgID );
       
   211         
       
   212     public: // Functions from base classes
       
   213 
       
   214     protected:  // New functions
       
   215 
       
   216     protected:  // Functions from base classes
       
   217 
       
   218     private:
       
   219 
       
   220         /**
       
   221         * C++ default constructor.
       
   222         */
       
   223         CAccSrvNotificationQueue();
       
   224 
       
   225         /**
       
   226         * By default Symbian 2nd phase constructor is private.
       
   227         */
       
   228         void ConstructL();
       
   229 
       
   230         /**
       
   231         * Return reference to correct member array.
       
   232         */
       
   233         RArray<MQueueObserver*>* ControlMessageArray( TMsgID aMsgID );
       
   234 
       
   235     public:     // Data
       
   236 
       
   237     protected:  // Data
       
   238 
       
   239     private:    // Data
       
   240 
       
   241         // Outstanding subsessions for "ConnectAccessory" request
       
   242         RArray<MQueueObserver *> iConnectAccessory; //not owned
       
   243 
       
   244         // Outstanding subsessions for "NewAccessoryConnected" notification
       
   245         RArray<MQueueObserver *> iNewAccessoryConnectedArray; //not owned
       
   246 
       
   247         // Outstanding subsessions for "AccessoryDisconnected" notification
       
   248         RArray<MQueueObserver *> iAccessoryDisconnectedArray; //not owned
       
   249 
       
   250         // Outstanding subsessions for "AccessoryModeChanged" notification
       
   251         RArray<MQueueObserver *> iAccessoryModeChangedArray; //not owned
       
   252 
       
   253         // Outstanding subsessions for "GetAccessoryModeAsync"
       
   254         RArray<MQueueObserver *> iGetAccessoryModeAsyncArray; //not owned
       
   255 
       
   256         // Outstanding subsessions for "AccessoryConnectionStatusChanged" notification
       
   257         RArray<MQueueObserver *> iAccessoryConnectionStatusChangedArray; //not owned
       
   258 
       
   259         // Outstanding subsessions for "GetAccessoryConnectionStatusAsync"
       
   260         RArray<MQueueObserver *> iGetAccessoryConnectionStatusAsyncArray; //not owned
       
   261 
       
   262         // Outstanding subsessions for "AccessoryAudioLinkOpen" requests
       
   263         RArray<MQueueObserver *> iAccessoryAudioLinkOpenArray; //not owned
       
   264 
       
   265         // Outstanding subsessions for "NotifyAccessoryAudioLinkOpened" notification
       
   266         RArray<MQueueObserver *> iAccessoryAudioLinkOpenedArray; //not owned
       
   267 
       
   268         // Outstanding subsessions for "AccessoryAudioLinkClosed" notification
       
   269         RArray<MQueueObserver *> iAccessoryAudioLinkClosedArray; //not owned
       
   270 
       
   271         // Outstanding subsessions for "AccessoryAudioLinkClose" request
       
   272         RArray<MQueueObserver *> iAccessoryAudioLinkCloseArray; //not owned
       
   273 
       
   274         // Outstanding subsessions for "BluetoothAudioLinkOpenReq" notification
       
   275         RArray<MQueueObserver *> iBluetoothAudioLinkOpenReqArray; //not owned
       
   276 
       
   277         // Outstanding subsessions for "BluetoothAudioLinkCloseReq" notification
       
   278         RArray<MQueueObserver *> iBluetoothAudioLinkCloseReqArray; //not owned
       
   279 
       
   280         // Outstanding subsessions for "BluetoothAudioLinkOpenResp" notification
       
   281         RArray<MQueueObserver *> iBluetoothAudioLinkOpenRespArray; //not owned
       
   282 
       
   283         // Outstanding subsessions for "BluetoothAudioLinkCloseResp" notification
       
   284         RArray<MQueueObserver *> iBluetoothAudioLinkCloseRespArray; //not owned
       
   285 
       
   286         // Outstanding subsessions for "NotifyProcessCommand" request
       
   287         RArray<MQueueObserver *> iNotifyProcessCommandArray; //not owned
       
   288 
       
   289         // Outstanding subsessions for "AccessoryValueChangedTBool" notification
       
   290         RArray<MQueueObserver *> iNotifyAccessoryValueChangedTBoolArray; //not owned
       
   291 
       
   292         // Outstanding subsessions for "AccessoryValueChangedTInt" notification
       
   293         RArray<MQueueObserver *> iNotifyAccessoryValueChangedTIntArray; //not owned
       
   294 
       
   295         // Outstanding subsessions for "AccessoryValueChangedObject" notification
       
   296         RArray<MQueueObserver *> iNotifyAccessoryValueChangedObjectArray; //not owned
       
   297 
       
   298         // Outstanding subsessions for SetValueL request
       
   299         RArray<MQueueObserver *> iSetValueArray; //not owned
       
   300 
       
   301         // Outstanding subsessions for GetValueL request
       
   302         RArray<MQueueObserver *> iGetValueArray; //not owned
       
   303 
       
   304     public:     // Friend classes
       
   305 
       
   306     protected:  // Friend classes
       
   307 
       
   308     private:    // Friend classes
       
   309 
       
   310     };
       
   311 
       
   312 #endif      // CACCSRVNOTIFICATIONQUEUE_H
       
   313 
       
   314 // End of File