1 /*

     2 * Copyright (c) 2006 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:  Main classes for Out of Memory Monitor.

    15 *

    16 */

    17 

    18 #include <e32property.h>

    19 #include "oomsubscribehelper.h"

    20 #include "oomtraces.h"

    21 

    22 // ---------------------------------------------------------

    23 //

    24 // ---------------------------------------------------------

    25 //

    26 CSubscribeHelper::CSubscribeHelper(TCallBack aCallBack, RProperty& aProperty)

    27     : CActive(EPriorityNormal), iCallBack(aCallBack), iProperty(aProperty)

    28     {

    29     FUNC_LOG;

    30 

    31     CActiveScheduler::Add(this);

    32     }

    33 

    34 // ---------------------------------------------------------

    35 //

    36 // ---------------------------------------------------------

    37 //

    38 CSubscribeHelper::~CSubscribeHelper()

    39     {

    40     FUNC_LOG;

    41 

    42     Cancel();

    43     }

    44 

    45 // ---------------------------------------------------------

    46 //

    47 // ---------------------------------------------------------

    48 //

    49 void CSubscribeHelper::Subscribe()

    50     {

    51     FUNC_LOG;

    52 

    53     if (!IsActive())

    54         {

    55         iProperty.Subscribe(iStatus);

    56         SetActive();

    57         }

    58     }

    59 

    60 // ---------------------------------------------------------

    61 //

    62 // ---------------------------------------------------------

    63 //

    64 void CSubscribeHelper::StopSubscribe()

    65     {

    66     FUNC_LOG;

    67 

    68     Cancel();

    69     }

    70 

    71 // ---------------------------------------------------------

    72 //

    73 // ---------------------------------------------------------

    74 //

    75 void CSubscribeHelper::RunL()

    76     {

    77     FUNC_LOG;

    78 

    79     if (iStatus.Int() == KErrNone)

    80         {

    81         iCallBack.CallBack();

    82         Subscribe();

    83         }

    84     }

    85 

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

    87 //

    88 // ---------------------------------------------------------

    89 //

    90 void CSubscribeHelper::DoCancel()

    91     {

    92     FUNC_LOG;

    93 

    94     iProperty.Cancel();

    95     }

    96