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:  An active object which watches for app close actions successfully completing.

    15 *

    16 */

    17 

    18 

    19 

    20 #include "oomappclosewatcher.h"

    21 #include "oomcloseapp.h"

    22 #include "oomtraces.h"

    23 

    24 COomAppCloseWatcher::COomAppCloseWatcher(COomCloseApp& aMonitor) : CActive(CActive::EPriorityStandard), iMonitor(aMonitor)

    25     {

    26     FUNC_LOG;

    27 

    28     CActiveScheduler::Add(this);

    29     }

    30 

    31 COomAppCloseWatcher::~COomAppCloseWatcher()

    32     {

    33     FUNC_LOG;

    34 

    35     Cancel();

    36     }

    37 

    38 void COomAppCloseWatcher::Start(const TApaTask& aTask)

    39     {

    40     FUNC_LOG;

    41 

    42     if (!IsActive())

    43         {

    44         TInt err = iThread.Open(aTask.ThreadId());

    45         if (err == KErrNone)

    46             {

    47             iOriginalProcessPriority = iThread.ProcessPriority();

    48             iThread.SetProcessPriority(EPriorityForeground);

    49             iThread.Logon(iStatus);

    50             SetActive();

    51             }

    52         else

    53             {

    54             TRequestStatus* s = &iStatus;

    55             User::RequestComplete(s, err);

    56             SetActive();

    57             }

    58         }

    59     }

    60 

    61 void COomAppCloseWatcher::DoCancel()

    62     {

    63     FUNC_LOG;

    64 

    65     iThread.LogonCancel(iStatus);

    66     iThread.SetProcessPriority(iOriginalProcessPriority);

    67     iThread.Close();

    68     }

    69 

    70 void COomAppCloseWatcher::RunL()

    71     {

    72     FUNC_LOG;

    73 

    74     if (iThread.Handle())

    75         iThread.SetProcessPriority(iOriginalProcessPriority);

    76     iThread.Close();

    77     // Experimentation shows that memory may take up to 40ms

    78     // to be released back to the system after app thread close.

    79     // Using this delay should minimise the number of apps that

    80     // need to be closed to recover the necessary memory.

    81     const TInt KAppTidyUpDelay = 40000;

    82     User::After(KAppTidyUpDelay);

    83     iMonitor.CloseAppEvent();

    84     }