hwrmhaptics/hapticspluginmanager/src/hwrmhapticsservice.cpp
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     1 /*
       
     2 * Copyright (c) 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:  Haptic service implementation.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include <s32mem.h>              // RDesReadStream
       
    20 #include <hwrmhaptics.h>
       
    21 #include <hwrmhapticsobserver.h>
       
    22 #include <hwrmlogicalactuators.h>
       
    23 #include <hwrmhapticscommands.h> // adaptation interface
       
    24 #include <hwrmhapticspacketizer.h>
       
    25 
       
    26 #include "hwrmhapticsclientserver.h" // panic codes, service ID
       
    27 #include "hwrmhapticsserver.h" // default case in ExecuteMessageL
       
    28 #include "hwrmhapticsservice.h"
       
    29 #include "hwrmhapticspluginmanager.h"
       
    30 #include "hwrmhapticsreservationhandler.h"
       
    31 #include "hwrmhapticscommondata.h"
       
    32 #include "hwrmhapticstrace.h"
       
    33 #include "hwrmhapticspluginrequestdata.h"
       
    34 
       
    35 _LIT( KPanicCategory, "HWRMHapticsSService" );
       
    36 
       
    37 // ---------------------------------------------------------------------------
       
    38 // Two-phased constructor.
       
    39 // ---------------------------------------------------------------------------
       
    40 //
       
    41 EXPORT_C CHWRMHapticsService* CHWRMHapticsService::NewL(
       
    42         CHWRMHapticsPluginManager* aPluginHandler,
       
    43         CHWRMHapticsReservationHandler* aReservationHandler,
       
    44         CHWRMHapticsCommonData& aHapticsCommonData,
       
    45         const RMessage2& aMessage )
       
    46     {
       
    47     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::NewL()" ) ) );
       
    48 
       
    49     CHWRMHapticsService* self = 
       
    50         new ( ELeave ) CHWRMHapticsService( aHapticsCommonData, aMessage );
       
    51     
       
    52     CleanupStack::PushL( self );
       
    53     self->ConstructL( aPluginHandler, aReservationHandler );
       
    54     CleanupStack::Pop( self );
       
    55 
       
    56     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::NewL - return 0x%x" ), self ) );
       
    57     
       
    58     return self;
       
    59     }
       
    60    
       
    61 // ---------------------------------------------------------------------------
       
    62 // Destructor.
       
    63 // ---------------------------------------------------------------------------
       
    64 //
       
    65 CHWRMHapticsService::~CHWRMHapticsService()
       
    66     {
       
    67     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::~CHWRMHapticsService()" ) ) );
       
    68 
       
    69     // Cleanup haptics just in case regular cleanup failed
       
    70     CleanupHaptics();
       
    71 
       
    72     if ( iPacketizer )
       
    73         {
       
    74         delete iPacketizer;
       
    75         iPacketizer = NULL;
       
    76         }
       
    77     
       
    78     // Complete any pending requests
       
    79     while ( iTransactionList->FirstItem() )
       
    80         {
       
    81         COMPONENT_TRACE( ( _L( "CHWRMHapticsService::~CHWRMHapticsService() - Deleting request %d" ), iTransactionList->FirstItem()->TransactionId() ) );
       
    82         CHWRMHapticsPluginRequestData* data = 
       
    83             static_cast<CHWRMHapticsPluginRequestData*>(
       
    84                 iTransactionList->RemoveFirstItem() );
       
    85 
       
    86         if ( data->RequestMessage().Handle() )
       
    87             {
       
    88             // Check that this request is not first one of a split request
       
    89             if ( !data->CommandSplit() || 
       
    90                  !CheckForMessage(data->RequestMessage().Handle()) )
       
    91                 {
       
    92                 COMPONENT_TRACE( ( _L( "CHWRMHapticsService::~CHWRMHapticsService() - Canceling pending message" ) ) );
       
    93                 data->RequestMessage().Complete( KErrCancel );
       
    94                 }
       
    95             else
       
    96                 {
       
    97                 COMPONENT_TRACE( ( _L( "CHWRMHapticsService::~CHWRMHapticsService() - Split request, not canceling message yet" ) ) );
       
    98                 }
       
    99             }
       
   100 
       
   101         TRAPD ( err, iPluginManager->CancelCommandL( data->TransactionId() ) );
       
   102         
       
   103         if ( err != KErrNone )
       
   104             {
       
   105             COMPONENT_TRACE( ( _L( "CHWRMHapticsService::~CHWRMHapticsService() - Cancelling Command (transid: %d) failed: %d" ), data->TransactionId(), err ) );
       
   106             }
       
   107 
       
   108         delete data;
       
   109         }
       
   110         
       
   111     // Destroy transaction list
       
   112     delete iTransactionList;
       
   113 
       
   114     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::~CHWRMHapticsService() - return" ) ) );
       
   115     }
       
   116 
       
   117 // ---------------------------------------------------------------------------
       
   118 // Handles Haptics requests. 
       
   119 // ---------------------------------------------------------------------------
       
   120 //
       
   121 EXPORT_C TBool CHWRMHapticsService::ExecuteMessageL( 
       
   122                                                 const RMessage2& aMessage )
       
   123     {
       
   124     COMPONENT_TRACE( ( _L( "e_HWRMHAPTICS_SERVICE_EXECUTEMESSAGEL 1" ) ) );
       
   125     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ExecuteMessageL(0x%x)" ), aMessage.Function() ) );
       
   126     __ASSERT_ALWAYS( iPluginManager,
       
   127                      User::Panic( KPanicCategory, EPanicBadHandle ) );
       
   128     __ASSERT_ALWAYS( iReservationHandler,
       
   129                      User::Panic( KPanicCategory, EPanicBadHandle ) );
       
   130     
       
   131     if ( aMessage.IsNull() )
       
   132         {
       
   133         COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ExecuteMessageL - NULL message!" ) ) );
       
   134         User::Leave( KErrBadHandle );
       
   135         }
       
   136 
       
   137     TBool completeMessage( EFalse );
       
   138     
       
   139     switch( aMessage.Function() )
       
   140         {
       
   141         case RMessage2::EDisConnect:
       
   142             {
       
   143             // send command to close actuator, if actuator has 
       
   144             // been opened (i.e. packetizer exists)
       
   145             if ( iPacketizer )
       
   146                 {
       
   147                 SendMsgToPluginManagerL( aMessage );
       
   148                 }
       
   149 
       
   150             CleanupHaptics();
       
   151             break;
       
   152             }
       
   153         case EHWRMHaptics:
       
   154         case EHWRMHapticsBridgeCommand: // flow through
       
   155             {
       
   156             // send haptics message
       
   157             SendMsgToPluginManagerL( aMessage );
       
   158             break;
       
   159             }
       
   160         case EHWRMHapticsPlayEffect:
       
   161             {
       
   162             // check if suspended
       
   163             if ( iSuspended )
       
   164                 {
       
   165                 // no effect playing, just complete the message
       
   166                 COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ExecuteMessageL - Haptics suspended; Play not executed." ) )  );
       
   167                 aMessage.Complete( KErrNone );
       
   168                 }
       
   169             else if ( iReservationHandler->IsReserved( this ) &&
       
   170                       iReservationHandler->ReservedPriorityHigher( iSid ) )
       
   171                 {
       
   172                 // haptics has not been reserved for some other client with
       
   173                 // higher (or equal) priority, notify caller with an error code
       
   174                 COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ExecuteMessageL - Haptics Reserved!" ) ) );
       
   175                 User::Leave( KErrInUse );
       
   176                 }
       
   177             else
       
   178                 {
       
   179                 // send play effect -command forwards to plugin manager
       
   180                 SendMsgToPluginManagerL( aMessage );
       
   181                 }
       
   182             
       
   183             break;
       
   184             }
       
   185         case EHWRMHapticsOpenActuator:
       
   186             {
       
   187             // get actuator type
       
   188             THWRMLogicalActuators actuator = 
       
   189                     static_cast<THWRMLogicalActuators>( aMessage.Int2() );
       
   190             
       
   191             // open the plugin to send the message to appropriate actuator;
       
   192             TBool created = iPluginManager->OpenPluginToActuatorL( actuator );
       
   193 
       
   194             // reset packetizer instance
       
   195             if ( iPacketizer )
       
   196                 {
       
   197                 delete iPacketizer;
       
   198                 iPacketizer = NULL;
       
   199                 }
       
   200             
       
   201             iPacketizer = CHWRMHapticsPacketizer::NewL( actuator );
       
   202 
       
   203             // if plugin was not created, it already exists. Inform client 
       
   204             // about the last status of the plugin.
       
   205             if ( !created )
       
   206                 {
       
   207                 iHapticsCommonData.NotifyActuatorEvent( actuator, iSession );
       
   208                 }
       
   209             
       
   210             // send the open device message;
       
   211             SendMsgToPluginManagerL( aMessage );
       
   212 
       
   213             break;
       
   214             }
       
   215         case EHWRMHapticsCleanup:
       
   216             {
       
   217             CleanupHaptics();
       
   218 
       
   219             // complete as there is no ProcessResponse for this
       
   220             aMessage.Complete( KErrNone );
       
   221             break;
       
   222             }
       
   223         case EHWRMHapticsReserve:
       
   224             {
       
   225             COMPONENT_TRACE( ( _L("CHWRMHapticsService::ExecuteMessageL - EHWRMReserveHaptics") ) );
       
   226             
       
   227             ReserveHapticsL( aMessage );
       
   228 
       
   229             // Since using dummy messages for freeze state restores, need complete always.
       
   230             completeMessage = ETrue;
       
   231             
       
   232             break;
       
   233             }           
       
   234         case EHWRMHapticsRelease:
       
   235             {
       
   236             COMPONENT_TRACE( ( _L("CHWRMHapticsService::ExecuteMessageL - EHWRMReleaseHaptics") ) );
       
   237 
       
   238             ReleaseHaptics();
       
   239             
       
   240             // Since using dummy messages for default state restores, need complete always.
       
   241             completeMessage = ETrue;
       
   242 
       
   243             break;
       
   244             }           
       
   245         case EHWRMHapticsSuppActuators:
       
   246             {
       
   247             // get the supported logical actuator types from 
       
   248             // the plugin manager
       
   249             TUint32 types = iPluginManager->GetSupportedActuatorInfo();
       
   250             
       
   251             // write the supported types to aMessage
       
   252             TPckg<TUint32> actuatorInfoRetPckg( types );
       
   253             TInt err = aMessage.Write( 0, actuatorInfoRetPckg, 0 );
       
   254             
       
   255             // complete the message
       
   256             aMessage.Complete( err );
       
   257             break;
       
   258             }
       
   259 
       
   260         case EHWRMHapticsSetLicenseProp:
       
   261             {
       
   262             // The license key is set automatically if it is given as empty
       
   263             // string and if LicenseAutoSettingAllowed check succeeds.
       
   264             // The actual license key setting occures in lower layer,
       
   265             // here it is enough to create new command message.
       
   266             
       
   267             // check license key length
       
   268             if ( aMessage.Int1() == 0 )
       
   269                 {
       
   270                 // check if automatic license key setting is allowed
       
   271                 // for the calling client
       
   272                 if ( iPluginManager->LicenseAutoSettingAllowed( aMessage ) &&
       
   273                      iPacketizer )
       
   274                     {
       
   275                     // create buffer for new request data
       
   276                     HWRMHapticsCommand::RHWRMHapticsReqData reqData;
       
   277                     
       
   278                     // client is allowed to get automatic license key setting,
       
   279                     // create new command package
       
   280                     TInt err = iPacketizer->EncSetPlatformLicenseKeyReq(
       
   281                                         iPacketizer->DeviceHandle(),
       
   282                                         reqData );
       
   283                     
       
   284                     // write new request data to request message, if creating
       
   285                     // it succeeded
       
   286                     if ( err == KErrNone )
       
   287                         {
       
   288                         aMessage.Write( 0, reqData, 0 );
       
   289                         }
       
   290                     
       
   291                     reqData.Close();
       
   292                     }
       
   293                 }
       
   294             
       
   295             // send message to plugin manager
       
   296             SendMsgToPluginManagerL( aMessage );
       
   297             break;
       
   298             }
       
   299         case EHWRMHapticsStatusNotification:
       
   300             {
       
   301             // store the message. It will be completed only
       
   302             // when the haptics/actuator status for this client changes
       
   303             // (thus the command should always be asynchronous on the 
       
   304             // client side)
       
   305             iHapticsCommonData.AddStatusObserver( aMessage );
       
   306             
       
   307             break;
       
   308             }
       
   309         case EHWRMHapticsGetStatus:
       
   310             {
       
   311             // get the current status value for this client
       
   312             MHWRMHapticsObserver::THWRMHapticsStatus status =
       
   313                 iHapticsCommonData.CurrentStatus( aMessage.Session() );
       
   314 
       
   315             // write the status to message
       
   316             TPckg<MHWRMHapticsObserver::THWRMHapticsStatus> statusPckg( status );
       
   317             TInt err = aMessage.Write( 0, statusPckg, 0 );
       
   318             
       
   319             // complete message
       
   320             aMessage.Complete( err );
       
   321 
       
   322             break;
       
   323             }
       
   324         default:
       
   325             {
       
   326             // Cannot identify the message, panic the client
       
   327             aMessage.Panic( KPanicCategory, EPanicIllegalFunction );
       
   328             break;
       
   329             }
       
   330 
       
   331         }//switch
       
   332 
       
   333     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ExecuteMessageL - return 0x%x" ), completeMessage ) );
       
   334     COMPONENT_TRACE( ( _L( "e_HWRMHAPTICS_SERVICE_EXECUTEMESSAGEL 0" ) ) );
       
   335     
       
   336     return completeMessage;
       
   337     }
       
   338     
       
   339 // ---------------------------------------------------------------------------
       
   340 // Handles Haptics requests responses.
       
   341 // ---------------------------------------------------------------------------
       
   342 //
       
   343 void CHWRMHapticsService::ProcessResponseL( TInt aCommandId,  
       
   344                                                      TUint8 aTransId,
       
   345                                                      const TDesC8& aData )
       
   346     {
       
   347     COMPONENT_TRACE( ( _L( "e_HWRMHAPTICS_SERVICE_PROCESSRESPONSEL 1" ) ) );
       
   348     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ProcessResponseL(0x%x, 0x%x, <data>)" ), aCommandId, aTransId ) );
       
   349 
       
   350     if( aCommandId == HWRMHapticsCommand::EHapticsCmdId )
       
   351         {
       
   352         TInt contextErr = CompleteRequestL( aTransId, aData );
       
   353         COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ProcessResponseL - CompleteRequestL ret = %d" ), contextErr ) );
       
   354 
       
   355         // Leave if there is error in context
       
   356         User::LeaveIfError( contextErr );
       
   357         }
       
   358              
       
   359     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ProcessResponseL - return" ) ) );
       
   360     COMPONENT_TRACE( ( _L( "e_HWRMHAPTICS_SERVICE_PROCESSRESPONSEL 0" ) ) );
       
   361     }
       
   362 
       
   363 // ---------------------------------------------------------------------------
       
   364 // Suspends haptics.
       
   365 // ---------------------------------------------------------------------------
       
   366 //
       
   367 void CHWRMHapticsService::SuspendResource()
       
   368     {
       
   369     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::SuspendSubResource()" ) ) );
       
   370     
       
   371     iSuspended = ETrue;
       
   372 
       
   373     // notify client that haptics for it has been suspended
       
   374     iHapticsCommonData.NotifyStatus( 
       
   375         MHWRMHapticsObserver::EHWRMHapticsStatusSuspended, iSession );
       
   376     
       
   377     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::SuspendSubResource - return" ) ) );
       
   378     }
       
   379     
       
   380 // ---------------------------------------------------------------------------
       
   381 // Resumes haptics.
       
   382 // ---------------------------------------------------------------------------
       
   383 //
       
   384 void CHWRMHapticsService::ResumeResource()
       
   385     {
       
   386     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ResumeSubResource()" ) ) );
       
   387 
       
   388     iSuspended = EFalse;
       
   389 
       
   390     // notify client that haptics for it is now available
       
   391     iHapticsCommonData.NotifyStatus( 
       
   392         MHWRMHapticsObserver::EHWRMHapticsStatusAvailable, iSession );
       
   393     
       
   394     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ResumeSubResource - return" ) ) );
       
   395     }
       
   396 
       
   397 // ---------------------------------------------------------------------------
       
   398 // Cancels outstanding request by completing the RMessage2 and removing data
       
   399 // from transaction list.
       
   400 // ---------------------------------------------------------------------------
       
   401 //
       
   402 void CHWRMHapticsService::CancelRequest( TUint8 aTransId )
       
   403     {
       
   404     CHWRMHapticsPluginRequestData* data = 
       
   405         static_cast<CHWRMHapticsPluginRequestData*>(
       
   406         iTransactionList->FindTransaction( aTransId, ETrue ) );
       
   407     
       
   408     if ( data && data->RequestMessage().Handle() )
       
   409         {
       
   410         data->RequestMessage().Complete( KErrTimedOut );
       
   411         }
       
   412     }
       
   413 
       
   414 // ---------------------------------------------------------------------------
       
   415 // Constructor.
       
   416 // ---------------------------------------------------------------------------
       
   417 //
       
   418 CHWRMHapticsService::CHWRMHapticsService(
       
   419                 CHWRMHapticsCommonData& aHapticsCommonData, 
       
   420                 const RMessage2& aMessage )
       
   421     : iHapticsCommonData( aHapticsCommonData ), iSid( aMessage.SecureId() ),
       
   422       iSession( aMessage.Session() )
       
   423     {
       
   424     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::CHWRMHapticsService()" ) ) );
       
   425     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::CHWRMHapticsService - return" ) ) );
       
   426     }
       
   427 
       
   428 // ---------------------------------------------------------------------------
       
   429 // Symbian 2nd phase constructor.
       
   430 // ---------------------------------------------------------------------------
       
   431 //
       
   432 void CHWRMHapticsService::ConstructL(
       
   433         CHWRMHapticsPluginManager* aPluginManager,
       
   434         CHWRMHapticsReservationHandler* aReservationHandler )
       
   435     {    
       
   436     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ConstructL(0x%x)" ), aPluginManager ) );
       
   437 
       
   438     if ( !aPluginManager )
       
   439         {
       
   440         User::Leave( KErrBadHandle );
       
   441         }
       
   442         
       
   443     iPluginManager = aPluginManager;
       
   444     iReservationHandler = aReservationHandler;
       
   445 
       
   446     iTransactionList = new( ELeave ) CHWRMHapticsPluginTransactionList();
       
   447    
       
   448     // set this session to the common data for storing the client 
       
   449     // specific status information
       
   450     iHapticsCommonData.AddSessionL( iSession );
       
   451 
       
   452     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ConstructL - return " ) ) );
       
   453     }
       
   454 
       
   455 // ---------------------------------------------------------------------------
       
   456 // Completes request. Subclass calls this from ProcessResponseL
       
   457 // ---------------------------------------------------------------------------
       
   458 //
       
   459 TInt CHWRMHapticsService::CompleteRequestL( TUint8 aTransId, 
       
   460                                             const TDesC8& aData )
       
   461     {
       
   462     // return value
       
   463     TInt contextErr( KErrNone );
       
   464 
       
   465     // find transaction data
       
   466     CHWRMHapticsPluginRequestData* data = 
       
   467         static_cast<CHWRMHapticsPluginRequestData*>(
       
   468         iTransactionList->FindTransaction( aTransId, ETrue ) );
       
   469     
       
   470     CleanupStack::PushL( data );
       
   471 
       
   472     if ( data && data->RequestMessage().Handle() )
       
   473         {
       
   474         COMPONENT_TRACE( ( _L( "CHWRMHapticsService::CompleteRequestL - iRequestMessage.Handle() ok." ) ) );
       
   475 
       
   476         // data storage for the protocol version and error code
       
   477         CHWRMHapticsRespData* respData = 
       
   478             CHWRMHapticsRespData::NewLC( KErrNone, KNullDesC8 );
       
   479 
       
   480         // internalize data using stream reader
       
   481         RDesReadStream reader( aData );
       
   482         CleanupClosePushL( reader );
       
   483         reader >> *respData;
       
   484         CleanupStack::PopAndDestroy( &reader );
       
   485         
       
   486         // status filled in message decoding
       
   487         TInt vibeStatus = KErrNone;
       
   488         
       
   489         // decode data, if no error
       
   490         if ( respData->ErrorCode() == KErrNone )
       
   491             {
       
   492             if ( data->RequestMessage().Function() == EHWRMHapticsBridgeCommand )
       
   493                 {
       
   494                 // bridge command handling
       
   495                 COMPONENT_TRACE( ( _L( "CHWRMHapticsService::CompleteRequest - inside EHWRMHapticsBridgeCommand case:" ) ) );
       
   496                 DATADUMP_TRACE( _L("CHWRMHapticsService::CompleteRequest - (EHWRMHapticsBridgeCommand case) - data dump "), respData->Data() );
       
   497 
       
   498                 // write error code and response data
       
   499                 TPckg<TInt> vibeDummyCodePckg( KErrNone );
       
   500                 data->RequestMessage().Write( 1, vibeDummyCodePckg, 0 );
       
   501                 data->RequestMessage().Write( 2, respData->Data(), 0 );
       
   502                 }
       
   503             else
       
   504                 {
       
   505                 // decode the message and send it to the callback service
       
   506                 CDesC8ArraySeg* decodeArray = NULL;
       
   507                 TRAPD( err, decodeArray = iPacketizer->DecodeMessageL(
       
   508                                             respData->Data(), vibeStatus ) );
       
   509 
       
   510                 COMPONENT_TRACE( ( _L( "CHWRMHapticsService::CompleteRequestL - Return msg decoding, err = %d" ), err ) );
       
   511 
       
   512                 for ( TInt i = 0; err == KErrNone && 
       
   513                       i < decodeArray->MdcaCount(); ++i )
       
   514                     {
       
   515                     // write data back to client
       
   516                     err = data->RequestMessage().Write(
       
   517                                 KHapticsMessageResponseArgsOffset + i,
       
   518                                 decodeArray->MdcaPoint( i ), 0 );
       
   519                     }
       
   520 
       
   521                 COMPONENT_TRACE( ( _L( "CHWRMHapticsService::CompleteRequestL - Data writing err = %d" ), err ) );
       
   522                 }
       
   523             }
       
   524         
       
   525         CleanupStack::PopAndDestroy( respData );
       
   526         
       
   527         COMPONENT_TRACE( ( _L( "CHWRMHapticsService::CompleteRequestL - calling iRequestMessage.Complete()") ) ) ;
       
   528         data->RequestMessage().Complete( vibeStatus );
       
   529         }
       
   530     else
       
   531         {
       
   532         // transaction data not found
       
   533         COMPONENT_TRACE( ( _L( "CHWRMHapticsService::CompleteRequest - No transaction data found!" ) ) );
       
   534         contextErr = KErrBadHandle;
       
   535         }    
       
   536 
       
   537     // cleanup data
       
   538     CleanupStack::PopAndDestroy( data );
       
   539     
       
   540     return contextErr;
       
   541     }
       
   542 
       
   543 // ---------------------------------------------------------------------------
       
   544 // Checks transaction list if specified message is in any transaction.
       
   545 // ---------------------------------------------------------------------------
       
   546 //
       
   547 TBool CHWRMHapticsService::CheckForMessage( TInt aHandle )
       
   548     {
       
   549     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::CheckForMessage - Checking for message: 0x%x" ), aHandle ) );
       
   550     
       
   551     CHWRMHapticsPluginRequestData* data = 
       
   552         static_cast<CHWRMHapticsPluginRequestData*>(
       
   553             iTransactionList->FirstItem() );
       
   554     
       
   555     TBool retval( EFalse );
       
   556     
       
   557     while ( !retval && data )
       
   558         {
       
   559         if ( data->RequestMessage().Handle() == aHandle )
       
   560             {
       
   561             retval = ETrue;
       
   562             }
       
   563         
       
   564         data = static_cast<CHWRMHapticsPluginRequestData*>( data->NextItem() );
       
   565         }
       
   566         
       
   567     return retval;
       
   568     }
       
   569         
       
   570 // ---------------------------------------------------------------------------
       
   571 // Cleans up haptics. 
       
   572 // ---------------------------------------------------------------------------
       
   573 //
       
   574 void CHWRMHapticsService::CleanupHaptics()
       
   575     {
       
   576     if ( !iCleanupDone )
       
   577         {
       
   578         COMPONENT_TRACE( ( _L( "CHWRMHapticsService::CleanupHaptics()" ) ) );
       
   579 
       
   580         // release haptics in case this client has made the reservation
       
   581         ReleaseHaptics();
       
   582 
       
   583         iSuspended = EFalse;
       
   584         
       
   585         // remove priority of the client from reservation handler
       
   586         iReservationHandler->RemovePriority( iSid );
       
   587 
       
   588         // remove this session from the common data
       
   589         iHapticsCommonData.RemoveSession( iSession );
       
   590 
       
   591         iCleanupDone = ETrue;
       
   592         
       
   593         COMPONENT_TRACE( ( _L( "CHWRMHapticsService::CleanupHaptics - return" ) ) );
       
   594         }
       
   595     }
       
   596 
       
   597 // ---------------------------------------------------------------------------
       
   598 // Handles Haptics requests. 
       
   599 // ---------------------------------------------------------------------------
       
   600 //
       
   601 void CHWRMHapticsService::SendMsgToPluginManagerL( const RMessage2& aMessage )
       
   602     {
       
   603     // Create new data (TransId is updated later, commandId is not important)
       
   604     CHWRMHapticsPluginRequestData* data( NULL );
       
   605     if ( aMessage.Function() == RMessage2::EDisConnect )
       
   606         {
       
   607         data = new ( ELeave ) 
       
   608             CHWRMHapticsPluginRequestData( RMessage2(), 0, 0, EFalse );
       
   609         }
       
   610     else 
       
   611         {
       
   612         data = new ( ELeave ) 
       
   613             CHWRMHapticsPluginRequestData( aMessage, 0, 0, EFalse );
       
   614         }
       
   615     
       
   616     CleanupStack::PushL( data );
       
   617 
       
   618     if ( aMessage.Function() == RMessage2::EDisConnect )
       
   619         {
       
   620         // form from Disconnect message actuator closing request
       
   621         RBuf8 closeBuf;
       
   622         CleanupClosePushL( closeBuf );
       
   623         
       
   624         User::LeaveIfError( iPacketizer->EncCloseDeviceReq( 
       
   625                             iPacketizer->DeviceHandle(), closeBuf ) );
       
   626         
       
   627         HBufC8* reqData = closeBuf.AllocL();
       
   628         
       
   629         CleanupStack::PopAndDestroy( &closeBuf );
       
   630         
       
   631         COMPONENT_TRACE( ( _L( "CHWRMHapticsService::SendMsgToPluginManagerL - Disconnect actuator") ) );
       
   632         
       
   633         // created buffer is deleted in the request data object
       
   634         data->SetRequestData( reqData );
       
   635 
       
   636         // command to plugin manager
       
   637         TUint8 transId = iPluginManager->ProcessCommandL( 
       
   638                                             HWRMHapticsCommand::EHapticsCmdId, 
       
   639                                             *reqData, this );
       
   640         data->SetTransactionId( transId );
       
   641         }
       
   642     else        
       
   643         {
       
   644         // read message data into a heap buffer
       
   645         HBufC8* reqData = HBufC8::NewL( aMessage.GetDesLength( 0 ) );
       
   646         TPtr8 dataPtr = reqData->Des();
       
   647         TInt err = aMessage.Read( 0, dataPtr, 0 );
       
   648         
       
   649         COMPONENT_TRACE( ( _L( "CHWRMHapticsService::SendMsgToPluginManagerL - aMessageRead err = %d"), err ) );
       
   650         
       
   651         // created buffer is deleted in the request data object
       
   652         data->SetRequestData( reqData );
       
   653 
       
   654         // command to plugin manager
       
   655         TUint8 transId = iPluginManager->ProcessCommandL( 
       
   656                                             HWRMHapticsCommand::EHapticsCmdId, 
       
   657                                             *reqData, this);
       
   658         data->SetTransactionId( transId );
       
   659         }
       
   660     
       
   661     // data still needed, do not destroy, just pop
       
   662     CleanupStack::Pop( data );
       
   663     
       
   664     // Add data to list
       
   665     iTransactionList->AddTransaction( data );
       
   666     }
       
   667 
       
   668 // ---------------------------------------------------------------------------
       
   669 // Reserves haptics.
       
   670 // ---------------------------------------------------------------------------
       
   671 //
       
   672 void CHWRMHapticsService::ReserveHapticsL( const RMessage2& aMessage )
       
   673     {
       
   674     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ReserveHapticsL()" ) ) );
       
   675     
       
   676     // Reserve the haptics
       
   677     TBool noCoeEnv = aMessage.Int0();
       
   678     TBool suspended = iReservationHandler->ReserveL( iSid, noCoeEnv, this );
       
   679     
       
   680     // if reservation became the affective reservation, inform all other 
       
   681     // clients that haptics is reserved
       
   682     if ( !suspended )
       
   683         {
       
   684         iHapticsCommonData.BroadcastStatus( 
       
   685             MHWRMHapticsObserver::EHWRMHapticsStatusReserved, iSession );
       
   686         }
       
   687     
       
   688     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ReserveHapticsL() return" ) ) );
       
   689     }
       
   690 
       
   691 // ---------------------------------------------------------------------------
       
   692 // Releases haptics.
       
   693 // ---------------------------------------------------------------------------
       
   694 //
       
   695 void CHWRMHapticsService::ReleaseHaptics()
       
   696     {
       
   697     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ReleaseHaptics()" ) ) );
       
   698 
       
   699     // get info is haptics currently reserved for this client
       
   700     TBool activeReservation = iReservationHandler->ActiveReservation( this );
       
   701 
       
   702     // release reservation (removes, if this has a reservation)
       
   703     TBool reserved = iReservationHandler->Release( this );
       
   704 
       
   705     // if haptics is still reserved for another client, notify client
       
   706     if ( reserved )
       
   707         {
       
   708         iHapticsCommonData.NotifyStatus( 
       
   709             MHWRMHapticsObserver::EHWRMHapticsStatusReserved, iSession );
       
   710         }
       
   711     else if ( activeReservation )
       
   712         {
       
   713         // haptics was reserved for this client, but there are no more 
       
   714         // reservations --> inform all clients, which have been blocked
       
   715         iHapticsCommonData.BroadcastStatus( 
       
   716             MHWRMHapticsObserver::EHWRMHapticsStatusAvailable, iSession );
       
   717         }
       
   718            
       
   719     COMPONENT_TRACE( ( _L( "CHWRMHapticsService::ReleaseHaptics() return" ) ) );
       
   720     }
       
   721 
       
   722 
       
   723 //  End of File