1 /*

     2 * Copyright (c) 2009 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:  

    15 *

    16 */

    17 

    18 

    19 #include <e32std.h>

    20 #include <e32base.h>

    21 #include <e32property.h>

    22 

    23 #include <piprofiler/ProfilerTraces.h>

    24 

    25 #include "ProfilerErrorChecker.h"

    26 

    27 // properties

    28 const TUid KEngineStatusPropertyCat={0x2001E5AD};

    29 enum TEnginePropertyKeys

    30     {

    31     EProfilerEngineStatus = 8,

    32     EProfilerErrorStatus

    33     };

    34 

    35 /*

    36  *

    37  *  CProfilerErrorChecker class implementation

    38  *

    39  */

    40 CProfilerErrorChecker* CProfilerErrorChecker::NewL()

    41     {

    42     CProfilerErrorChecker* self = new(ELeave) CProfilerErrorChecker;

    43     CleanupStack::PushL(self);

    44     self->ConstructL();

    45     CleanupStack::Pop();

    46     return self;

    47     }

    48 

    49 // --------------------------------------------------------------------------------------------

    50 CProfilerErrorChecker::CProfilerErrorChecker() :

    51     CActive(EPriorityStandard)

    52     {

    53     }

    54 

    55 CProfilerErrorChecker::~CProfilerErrorChecker()

    56     {

    57     Cancel();

    58     iErrorStatus.Close();

    59     }

    60 

    61 // --------------------------------------------------------------------------------------------

    62 void CProfilerErrorChecker::ConstructL()

    63     {

    64     

    65     LOGTEXT(_L("Trying to attach to profiler engine error status property"));

    66     User::LeaveIfError(iErrorStatus.Attach(KEngineStatusPropertyCat, EProfilerErrorStatus));

    67     CActiveScheduler::Add(this);

    68 

    69     // subscribe to P&S status property

    70     iErrorStatus.Subscribe(iStatus);

    71     SetActive();

    72     }

    73 

    74 // --------------------------------------------------------------------------------------------

    75 void CProfilerErrorChecker::SetObserver(MProfilerErrorObserver* aObserver)

    76     {

    77     iObserver = aObserver;

    78     }

    79 

    80 // --------------------------------------------------------------------------------------------

    81 TInt CProfilerErrorChecker::RunError(TInt aError)

    82     {

    83     iErrorStatus.Close();

    84     return aError;

    85     }

    86 // --------------------------------------------------------------------------------------------

    87 void CProfilerErrorChecker::RunL()

    88     {

    89     // resubscribe before processing new value to prevent missing updates

    90     iErrorStatus.Subscribe(iStatus);

    91     SetActive();

    92 

    93     TInt stat(0);

    94     if(iErrorStatus.Get(stat) != KErrNone)

    95         {

    96         // check if error status != KErrNone

    97         if(stat != 0)

    98             {

    99             iObserver->HandleProfilerErrorChangeL(stat);

   100             }

   101         

   102         // reset error code

   103         iErrorStatus.Set(KErrNone);

   104         }

   105     }

   106 

   107 // --------------------------------------------------------------------------------------------

   108  

   109 void CProfilerErrorChecker::DoCancel()

   110     {

   111     iErrorStatus.Cancel();

   112     }

   113 

   114 // end of file

   115