usbengines/usbotgwatcher/src/cusbbusactivityobserver.cpp
branchRCL_3
changeset 65 a44cdf4b4bf0
parent 64 8ecef05bbada
child 21 ff9df6630274
equal deleted inserted replaced
64:8ecef05bbada 65:a44cdf4b4bf0
     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 <usbotgdefs.h>
    18 #include <usbotgdefs.h>
    20 
    19 
    21 #include "cusbbusactivityobserver.h"
    20 #include "cusbbusactivityobserver.h"
    22 
    21 
    38 // 
    37 // 
    39 // ---------------------------------------------------------------------------
    38 // ---------------------------------------------------------------------------
    40 //
    39 //
    41 void CUsbBusActivityObserver::ConstructL()
    40 void CUsbBusActivityObserver::ConstructL()
    42     {
    41     {
    43 
    42     LOG_FUNC
    44         FLOG( _L( "[USBOTGWATCHER]\tCUsbBusActivityObserver::ConstructL" ) );
       
    45 
    43 
    46     User::LeaveIfError(iBusActivity.Attach(KUidUsbManCategory,
    44     User::LeaveIfError(iBusActivity.Attach(KUidUsbManCategory,
    47             KUsbOtgConnectionIdleProperty));
    45             KUsbOtgConnectionIdleProperty));
    48 
    46 
    49     }
    47     }
    52 // 
    50 // 
    53 // ---------------------------------------------------------------------------
    51 // ---------------------------------------------------------------------------
    54 //
    52 //
    55 CUsbBusActivityObserver* CUsbBusActivityObserver::NewL()
    53 CUsbBusActivityObserver* CUsbBusActivityObserver::NewL()
    56     {
    54     {
    57 
    55     LOG_FUNC
    58         FLOG( _L( "[USBOTGWATCHER]\tCUsbBusActivityObserver::NewL" ) );
       
    59 
    56 
    60     CUsbBusActivityObserver* self = new (ELeave) CUsbBusActivityObserver();
    57     CUsbBusActivityObserver* self = new (ELeave) CUsbBusActivityObserver();
    61     CleanupStack::PushL(self);
    58     CleanupStack::PushL(self);
    62     self->ConstructL();
    59     self->ConstructL();
    63     CleanupStack::Pop(self);
    60     CleanupStack::Pop(self);
    69 // ---------------------------------------------------------------------------
    66 // ---------------------------------------------------------------------------
    70 //
    67 //
    71 CUsbBusActivityObserver::~CUsbBusActivityObserver()
    68 CUsbBusActivityObserver::~CUsbBusActivityObserver()
    72 
    69 
    73     {
    70     {
    74 
    71     LOG_FUNC
    75         FLOG( _L( "[USBOTGWATCHER]\tCUsbBusActivityObserver::~CUsbBusActivityObserver" ) );
       
    76 
    72 
    77     Cancel();
    73     Cancel();
    78 
    74 
    79     iBusActivity.Close();
    75     iBusActivity.Close();
    80 
    76 
    93 
    89 
    94     TInt err = iBusActivity.Get(val);
    90     TInt err = iBusActivity.Get(val);
    95 
    91 
    96     if (KErrNone != err)
    92     if (KErrNone != err)
    97         {
    93         {
    98             FLOG( _L( "[USBOTGWATCHER]\tCUsbBusActivityObserver::BusActivity CanNotGetBusActivityProperty" ) );
    94         LOG("ECanNotGetBusActivityProperty" );
    99         Panic(ECanNotGetBusActivityProperty);
    95         Panic( ECanNotGetBusActivityProperty);
   100         }
    96         }
   101 
       
   102         FTRACE( FPrint(_L( "[USBOTGWATCHER]\tCUsbBusActivityObserver::State = %d" ), val ));
       
   103 
    97 
   104     return (0 == val ? EBusActive : EBusIdle);
    98     return (0 == val ? EBusActive : EBusIdle);
   105 
    99 
   106     }
   100     }
   107 
   101 
   109 // 
   103 // 
   110 // ---------------------------------------------------------------------------
   104 // ---------------------------------------------------------------------------
   111 //
   105 //
   112 void CUsbBusActivityObserver::SubscribeL(MUsbBusActivityObserver& aObserver)
   106 void CUsbBusActivityObserver::SubscribeL(MUsbBusActivityObserver& aObserver)
   113     {
   107     {
   114         FLOG( _L( "[USBOTGWATCHER]\tCUsbBusActivityObserver::SubscribeL" ) );
   108     LOG_FUNC
       
   109 
   115     // check if the same observer already exist in a list
   110     // check if the same observer already exist in a list
   116     if(KErrNotFound != iObservers.Find(&aObserver))
   111     if (KErrNotFound != iObservers.Find(&aObserver))
   117         {
   112         {
   118         FLOG( _L( "[USBOTGWATCHER]\tCUsbIdPinObserver::SubscribeL Observer already exists." ) );
   113         LOG( "Observer already exists" );
   119         Panic(EObserverAlreadyExists);
   114         Panic( EObserverAlreadyExists);
   120         return;
   115         return;
   121         }
   116         }
   122     iObservers.AppendL(&aObserver);
   117     iObservers.AppendL(&aObserver);
   123 
   118 
   124     if (KFirst == iObservers.Count()) // first item
   119     if (KFirst == iObservers.Count()) // first item
   133 // 
   128 // 
   134 // ---------------------------------------------------------------------------
   129 // ---------------------------------------------------------------------------
   135 //
   130 //
   136 void CUsbBusActivityObserver::UnsubscribeL(MUsbBusActivityObserver& aObserver)
   131 void CUsbBusActivityObserver::UnsubscribeL(MUsbBusActivityObserver& aObserver)
   137     {
   132     {
   138         FLOG( _L( "[USBOTGWATCHER]\tCUsbBusActivityObserver::UnsubscribeL" ) );
   133     LOG_FUNC
   139 
   134 
   140     TInt i(iObservers.Find(&aObserver));
   135     TInt i(iObservers.Find(&aObserver));
   141     if(KErrNotFound == i)
   136     if (KErrNotFound == i)
   142         {
   137         {
   143         FLOG( _L( "[USBOTGWATCHER]\tCUsbBusActivityObserver::UnsubscribeL Observer not found." ) );
   138         LOG( "Observer not found" );
   144         Panic(ECanNotFindIdPinObserver);
   139         Panic( ECanNotFindBusActivityObserver);
   145         return;
   140         return;
   146         }
   141         }
   147     
   142 
   148     iObservers.Remove(i);
   143     iObservers.Remove(i);
   149     
   144 
   150     if (0 == iObservers.Count()) // no observers anymore
   145     if (0 == iObservers.Count()) // no observers anymore
   151         {
   146         {
   152         // cancel pending request
   147         // cancel pending request
   153         Cancel();
   148         Cancel();
   154         }
   149         }
   158 
   153 
   159 // ---------------------------------------------------------------------------
   154 // ---------------------------------------------------------------------------
   160 //
   155 //
   161 void CUsbBusActivityObserver::RunL()
   156 void CUsbBusActivityObserver::RunL()
   162     {
   157     {
   163         FTRACE( FPrint(_L( "[USBOTGWATCHER]\tCUsbBusActivityObserver::RunL iStatus = %d" ), iStatus.Int()));
   158     LOG_FUNC
       
   159 
       
   160     LOG1( "iStatus = %d" , iStatus.Int());
   164 
   161 
   165     // if error occured, inform observers
   162     // if error occured, inform observers
   166     if(KErrNone != iStatus.Int())
   163     if (KErrNone != iStatus.Int())
   167         {
   164         {
   168         for (TInt i(0); i < iObservers.Count(); ++i)
   165         for (TInt i(0); i < iObservers.Count(); ++i)
   169                     {
   166             {
   170                     iObservers[i]->BusActivityErrorL(iStatus.Int());
   167             iObservers[i]->BusActivityErrorL(iStatus.Int());
   171                     }
   168             }
   172         }
   169         }
   173 
   170 
   174     // re-issue request first
   171     // re-issue request first
   175     iBusActivity.Subscribe(iStatus);
   172     iBusActivity.Subscribe(iStatus);
   176     SetActive();
   173     SetActive();
   180 
   177 
   181     switch (state)
   178     switch (state)
   182         {
   179         {
   183         case EBusIdle:
   180         case EBusIdle:
   184             {
   181             {
   185                 FLOG( _L( "[USBOTGWATCHER]\tCUsbBusActivityObserver::RunL BusIdle" ) );
   182             LOG("BusIdle");
   186 
   183 
   187             for (TInt i(0); i < iObservers.Count(); ++i)
   184             for (TInt i(0); i < iObservers.Count(); ++i)
   188                 {
   185                 {
   189                 iObservers[i]->BusIdleL();
   186                 iObservers[i]->BusIdleL();
   190                 }
   187                 }
   191             break;
   188             break;
   192             }
   189             }
   193 
   190 
   194         case EBusActive:
   191         case EBusActive:
   195             {
   192             {
   196                 FLOG( _L( "[USBOTGWATCHER]\tCUsbBusActivityObserver::RunL BusActive" ) );
   193             LOG("BusActive");
   197 
   194 
   198             for (TInt i(0); i < iObservers.Count(); ++i)
   195             for (TInt i(0); i < iObservers.Count(); ++i)
   199                 {
   196                 {
   200                 iObservers[i]->BusActiveL();
   197                 iObservers[i]->BusActiveL();
   201                 }
   198                 }
   202             break;
   199             break;
   203             }
   200             }
   204 
   201 
   205         default:
   202         default:
   206             {
   203             {
   207                 FLOG( _L( "[USBOTGWATCHER]\tCUsbBusActivityObserver::RunL BusActive WrongBusState" ) );
   204             LOG("WrongBusState" );
   208             Panic(EWrongBusState);
   205             Panic( EWrongBusState);
   209             }
   206             }
   210         }
   207         }
   211 
   208 
   212     }
   209     }
   213 
   210 
   224 // 
   221 // 
   225 // ---------------------------------------------------------------------------
   222 // ---------------------------------------------------------------------------
   226 //
   223 //
   227 TInt CUsbBusActivityObserver::RunError(TInt aError)
   224 TInt CUsbBusActivityObserver::RunError(TInt aError)
   228     {
   225     {
   229 
   226     LOG_FUNC
   230     FTRACE( FPrint(_L( "[USBOTGWATCHER]\tCUsbBusActivityObserver::RunError aError = %d" ), aError));
   227 
   231                   
   228     LOG1( "aError = %d", aError );
       
   229 
   232     // try to continue	
   230     // try to continue	
   233     return KErrNone;
   231     return KErrNone;
   234 
   232 
   235     }
   233     }
   236 
   234