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usbengines/usbotgwatcher/src/cusbotgstateobserver.cpp
changeset 46 0ffee699d6c7
parent 44 5323ec7dc425
child 21 ff9df6630274
equal deleted inserted replaced
45:718eb10f3711 46:0ffee699d6c7 
     1 /*
 
     1 /*
 
     2 * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
 
     2  * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
 
     3 * All rights reserved.
 
     3  * All rights reserved.
 
     4 * This component and the accompanying materials are made available
 
     4  * This component and the accompanying materials are made available
 
     5 * under the terms of "Eclipse Public License v1.0"
 
     5  * under the terms of "Eclipse Public License v1.0"
 
     6 * which accompanies this distribution, and is available
 
     6  * which accompanies this distribution, and is available
 
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
 
     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html".
 
     8 *
 
     8  *
 
     9 * Initial Contributors:
 
     9  * Initial Contributors:
 
    10 * Nokia Corporation - initial contribution.
 
    10  * Nokia Corporation - initial contribution.
 
    11 *
 
    11  *
 
    12 * Contributors:
 
    12  * Contributors:
 
    13 *
 
    13  *
 
    14 * Description:  Implementation
 
    14  * Description:  Implementation
 
    15  *
 
    15  *
 
    16 */
 
    16  */
 
    17 
       
    18 
    17 
    19 #include "cusbotgstateobserver.h"
 
    18 #include "cusbotgstateobserver.h"
 
    20 
    19 
    21 #include "definitions.h"
 
    20 #include "definitions.h"
 
    22 #include "debug.h"
 
    21 #include "debug.h"
 
    36 // 
    35 // 
    37 // ---------------------------------------------------------------------------
 
    36 // ---------------------------------------------------------------------------
 
    38 //
 
    37 //
 
    39 void CUsbOtgStateObserver::ConstructL()
 
    38 void CUsbOtgStateObserver::ConstructL()
 
    40     {
 
    39     {
 
    41 
    40     LOG_FUNC
 
    42         FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::ConstructL" ) );
 
       
    43 
    41 
    44     User::LeaveIfError(iOtgState.Attach(KUidUsbManCategory,
 
    42     User::LeaveIfError(iOtgState.Attach(KUidUsbManCategory,
 
    45             KUsbOtgStateProperty));
 
    43             KUsbOtgStateProperty));
 
    46 
    44 
    47     }
 
    45     }
 
    50 // 
    48 // 
    51 // ---------------------------------------------------------------------------
 
    49 // ---------------------------------------------------------------------------
 
    52 //
 
    50 //
 
    53 CUsbOtgStateObserver* CUsbOtgStateObserver::NewL()
 
    51 CUsbOtgStateObserver* CUsbOtgStateObserver::NewL()
 
    54     {
 
    52     {
 
    55 
    53     LOG_FUNC
 
    56         FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::NewL" ) );
 
       
    57 
    54 
    58     CUsbOtgStateObserver* self = new (ELeave) CUsbOtgStateObserver();
 
    55     CUsbOtgStateObserver* self = new (ELeave) CUsbOtgStateObserver();
 
    59     CleanupStack::PushL(self);
 
    56     CleanupStack::PushL(self);
 
    60     self->ConstructL();
 
    57     self->ConstructL();
 
    61     CleanupStack::Pop(self);
 
    58     CleanupStack::Pop(self);
 
    66 // 
    63 // 
    67 // ---------------------------------------------------------------------------
 
    64 // ---------------------------------------------------------------------------
 
    68 //
 
    65 //
 
    69 CUsbOtgStateObserver::~CUsbOtgStateObserver()
 
    66 CUsbOtgStateObserver::~CUsbOtgStateObserver()
 
    70     {
 
    67     {
 
    71 
    68     LOG_FUNC
 
    72         FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::~CUsbOtgStateObserver" ) );
 
       
    73 
    69 
    74     Cancel();
 
    70     Cancel();
 
    75 
    71 
    76     iOtgState.Close();
 
    72     iOtgState.Close();
 
    77 
    73 
    83 // 
    79 // 
    84 // ---------------------------------------------------------------------------
 
    80 // ---------------------------------------------------------------------------
 
    85 //
 
    81 //
 
    86 TUsbOtgState CUsbOtgStateObserver::OtgState()
 
    82 TUsbOtgState CUsbOtgStateObserver::OtgState()
 
    87     {
 
    83     {
 
    88 
       
    89         FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::OtgState" ) );
 
       
    90 
       
    91     TInt val(0);
 
    84     TInt val(0);
 
    92 
    85 
    93     TInt err = iOtgState.Get(val);
 
    86     TInt err = iOtgState.Get(val);
 
    94 
    87 
    95     if (KErrNone != err)
 
    88     if (KErrNone != err)
 
    96         {
 
    89         {
 
    97             FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::StOtgState CanNotGetOtgStateProperty" ) );
 
    90         LOG("CanNotGetOtgStateProperty" );
 
    98         Panic(ECanNotGetOtgStateProperty);
 
    91         Panic( ECanNotGetOtgStateProperty);
 
    99         }
 
    92         }
 
   100 
       
   101         FTRACE( FPrint(_L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::OtgState = %d" ), val ));
 
       
   102 
    93 
   103     return (TUsbOtgState) val;
 
    94     return (TUsbOtgState) val;
 
   104 
    95 
   105     }
 
    96     }
 
   106 
    97 
   108 // 
    99 // 
   109 // ---------------------------------------------------------------------------
 
   100 // ---------------------------------------------------------------------------
 
   110 //
 
   101 //
 
   111 void CUsbOtgStateObserver::SubscribeL(MUsbOtgStateObserver& aObserver)
 
   102 void CUsbOtgStateObserver::SubscribeL(MUsbOtgStateObserver& aObserver)
 
   112     {
 
   103     {
 
   113         FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::SubscribeL" ) );
 
   104     LOG_FUNC
 
       
   105 
   114     // check if the same observer already exist in a list
 
   106     // check if the same observer already exist in a list
 
   115     if(KErrNotFound != iObservers.Find(&aObserver))
 
   107     if (KErrNotFound != iObservers.Find(&aObserver))
 
   116         {
 
   108         {
 
   117         FLOG( _L( "[USBOTGWATCHER]\tCUsbIdPinObserver::SubscribeL Observer already exists." ) );
 
   109         LOG( "Observer already exists"  );
 
   118         Panic(EObserverAlreadyExists);
 
   110         Panic( EObserverAlreadyExists);
 
   119         return;
 
   111         return;
 
   120         }
 
   112         }
 
   121     iObservers.AppendL(&aObserver);
 
   113     iObservers.AppendL(&aObserver);
 
   122 
   114 
   123     if (KFirst == iObservers.Count()) // first item
 
   115     if (KFirst == iObservers.Count()) // first item
 
   132 // 
   124 // 
   133 // ---------------------------------------------------------------------------
 
   125 // ---------------------------------------------------------------------------
 
   134 //
 
   126 //
 
   135 void CUsbOtgStateObserver::UnsubscribeL(MUsbOtgStateObserver& aObserver)
 
   127 void CUsbOtgStateObserver::UnsubscribeL(MUsbOtgStateObserver& aObserver)
 
   136     {
 
   128     {
 
   137     FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::UnsubscribeL" ) );
 
   129     LOG_FUNC
 
   138     
   130 
   139     TInt i(iObservers.Find(&aObserver));
 
   131     TInt i(iObservers.Find(&aObserver));
 
   140     if(KErrNotFound == i)
 
   132     if (KErrNotFound == i)
 
   141         {
 
   133         {
 
   142         FLOG( _L( "[USBOTGWATCHER]\tCUsbIdPinObserver::UnsubscribeL Observer not found." ) );
 
   134         LOG("Observer not found");
 
   143         Panic(ECanNotFindOtgStateObserver);
 
   135         Panic( ECanNotFindOtgStateObserver);
 
   144         return;
 
   136         return;
 
   145         }
 
   137         }
 
   146     
   138 
   147     iObservers.Remove(i);
 
   139     iObservers.Remove(i);
 
   148     
   140 
   149     if (0 == iObservers.Count()) // no observers anymore
 
   141     if (0 == iObservers.Count()) // no observers anymore
 
   150         {
 
   142         {
 
   151         // cancel pending request
 
   143         // cancel pending request
 
   152         Cancel();
 
   144         Cancel();
 
   153         }
 
   145         }
 
   157 //
 
   149 //
 
   158 // ---------------------------------------------------------------------------
 
   150 // ---------------------------------------------------------------------------
 
   159 //
 
   151 //
 
   160 void CUsbOtgStateObserver::RunL()
 
   152 void CUsbOtgStateObserver::RunL()
 
   161     {
 
   153     {
 
   162         FTRACE( FPrint(_L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::RunL iStatus = %d" ), iStatus.Int()));
 
   154     LOG_FUNC
 
       
   155 
       
   156     LOG1( "iStatus = %d" , iStatus.Int());
 
   163 
   157 
   164     // if error occured, tell to Observers
 
   158     // if error occured, tell to Observers
 
   165     if(KErrNone != iStatus.Int()) 
   159     if (KErrNone != iStatus.Int())
 
   166         {
 
   160         {
 
   167         for (TInt i(0); i < iObservers.Count(); ++i)
 
   161         for (TInt i(0); i < iObservers.Count(); ++i)
 
   168              {
 
   162             {
 
   169              iObservers[i]->OtgStateErrorL(iStatus.Int());
 
   163             iObservers[i]->OtgStateErrorL(iStatus.Int());
 
   170              }
 
   164             }
 
   171         return;
 
   165         return;
 
   172         }
 
   166         }
 
   173     
   167 
   174     // re-issue request first
 
   168     // re-issue request first
 
   175     iOtgState.Subscribe(iStatus);
 
   169     iOtgState.Subscribe(iStatus);
 
   176     SetActive();
 
   170     SetActive();
 
   177 
   171 
   178     // then process property change
 
   172     // then process property change
 
   180 
   174 
   181     switch (state)
 
   175     switch (state)
 
   182         {
 
   176         {
 
   183         case EUsbOtgStateReset:
 
   177         case EUsbOtgStateReset:
 
   184             {
 
   178             {
 
   185                 FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == RESET" ) );
 
   179             LOG("OTGState == RESET" );
 
   186             break;
 
   180             break;
 
   187             }
 
   181             }
 
   188         case EUsbOtgStateAIdle:
 
   182         case EUsbOtgStateAIdle:
 
   189             {
 
   183             {
 
   190                 FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == AIdle" ) );
 
   184             LOG("OTGState == AIdle" );
 
   191             for (TInt i(0); i < iObservers.Count(); ++i)
 
   185             for (TInt i(0); i < iObservers.Count(); ++i)
 
   192                 {
 
   186                 {
 
   193                 iObservers[i]->AIdleL();
 
   187                 iObservers[i]->AIdleL();
 
   194                 }
 
   188                 }
 
   195             break;
 
   189             break;
 
   196             }
 
   190             }
 
   197         case EUsbOtgStateAHost:
 
   191         case EUsbOtgStateAHost:
 
   198             {
 
   192             {
 
   199                 FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == AHost" ) );
 
   193             LOG( "OTGState == AHost");
 
   200             for (TInt i(0); i < iObservers.Count(); ++i)
 
   194             for (TInt i(0); i < iObservers.Count(); ++i)
 
   201                 {
 
   195                 {
 
   202                 iObservers[i]->AHostL();
 
   196                 iObservers[i]->AHostL();
 
   203                 }
 
   197                 }
 
   204             break;
 
   198             break;
 
   205             }
 
   199             }
 
   206         case EUsbOtgStateAPeripheral:
 
   200         case EUsbOtgStateAPeripheral:
 
   207             {
 
   201             {
 
   208                 FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == APeripheral" ) );
 
   202             LOG("OTGState == APeripheral" );
 
   209             for (TInt i(0); i < iObservers.Count(); ++i)
 
   203             for (TInt i(0); i < iObservers.Count(); ++i)
 
   210                 {
 
   204                 {
 
   211                 iObservers[i]->APeripheralL();
 
   205                 iObservers[i]->APeripheralL();
 
   212                 }
 
   206                 }
 
   213             break;
 
   207             break;
 
   214             }
 
   208             }
 
   215         case EUsbOtgStateAVbusError:
 
   209         case EUsbOtgStateAVbusError:
 
   216             {
 
   210             {
 
   217                 FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == AVBusError" ) );
 
   211             LOG("OTGState == AVBusError" );
 
   218             for (TInt i(0); i < iObservers.Count(); ++i)
 
   212             for (TInt i(0); i < iObservers.Count(); ++i)
 
   219                 {
 
   213                 {
 
   220                 iObservers[i]->AVBusErrorL();
 
   214                 iObservers[i]->AVBusErrorL();
 
   221                 }
 
   215                 }
 
   222             break;
 
   216             break;
 
   223             }
 
   217             }
 
   224         case EUsbOtgStateBIdle:
 
   218         case EUsbOtgStateBIdle:
 
   225             {
 
   219             {
 
   226                 FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == BIdle" ) );
 
   220             LOG( "OTGState == BIdle" );
 
   227             for (TInt i(0); i < iObservers.Count(); ++i)
 
   221             for (TInt i(0); i < iObservers.Count(); ++i)
 
   228                 {
 
   222                 {
 
   229                 iObservers[i]->BIdleL();
 
   223                 iObservers[i]->BIdleL();
 
   230                 }
 
   224                 }
 
   231             break;
 
   225             break;
 
   232             }
 
   226             }
 
   233         case EUsbOtgStateBPeripheral:
 
   227         case EUsbOtgStateBPeripheral:
 
   234             {
 
   228             {
 
   235                 FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == BPeripheral" ) );
 
   229             LOG("OTGState == BPeripheral" );
 
   236             for (TInt i(0); i < iObservers.Count(); ++i)
 
   230             for (TInt i(0); i < iObservers.Count(); ++i)
 
   237                 {
 
   231                 {
 
   238                 iObservers[i]->BPeripheralL();
 
   232                 iObservers[i]->BPeripheralL();
 
   239                 }
 
   233                 }
 
   240             break;
 
   234             break;
 
   241             }
 
   235             }
 
   242         case EUsbOtgStateBHost:
 
   236         case EUsbOtgStateBHost:
 
   243             {
 
   237             {
 
   244                 FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == BHost" ) );
 
   238             LOG("OTGState == BHost" );
 
   245             for (TInt i(0); i < iObservers.Count(); ++i)
 
   239             for (TInt i(0); i < iObservers.Count(); ++i)
 
   246                 {
 
   240                 {
 
   247                 iObservers[i]->BHostL();
 
   241                 iObservers[i]->BHostL();
 
   248                 }
 
   242                 }
 
   249             break;
 
   243             break;
 
   250             }
 
   244             }
 
   251         default:
 
   245         default:
 
   252             {
 
   246             {
 
   253                 FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL WrongOtgState" ) );
 
   247             LOG("WrongOtgState" );
 
   254             Panic(EWrongOtgState);
 
   248             Panic( EWrongOtgState);
 
   255             }
 
   249             }
 
   256         }
 
   250         }
 
   257 
   251 
   258     }
 
   252     }
 
   259 
   253 
   270 // 
   264 // 
   271 // ---------------------------------------------------------------------------
 
   265 // ---------------------------------------------------------------------------
 
   272 //
 
   266 //
 
   273 TInt CUsbOtgStateObserver::RunError(TInt aError)
 
   267 TInt CUsbOtgStateObserver::RunError(TInt aError)
 
   274     {
 
   268     {
 
   275 
   269     LOG_FUNC
 
   276         FTRACE( FPrint(_L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::RunError aError = %d" ), aError));
 
   270 
       
   271     LOG1( "aError = %d" , aError);
 
   277 
   272 
   278     // try to continue	
   273     // try to continue	
   279     return KErrNone;
 
   274     return KErrNone;
 
   280 
   275 
   281     }
 
   276     }
FCL/sf/mw/usbservices