/*

* Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

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

*

*/

#include "oomappclosewatcher.h"

#include "oomcloseapp.h"

#include "OomTraces.h"

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

    {

    FUNC_LOG;

    CActiveScheduler::Add(this);

    }

COomAppCloseWatcher::~COomAppCloseWatcher()

    {

    FUNC_LOG;

    Cancel();

    }

void COomAppCloseWatcher::Start(const TApaTask& aTask)

    {

    FUNC_LOG;

    if (!IsActive())

        {

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

        if (err == KErrNone)

            {

            iOriginalProcessPriority = iThread.ProcessPriority();

            iThread.SetProcessPriority(EPriorityForeground);

            iThread.Logon(iStatus);

            SetActive();

            }

        else

            {

            TRequestStatus* s = &iStatus;

            User::RequestComplete(s, err);

            SetActive();

            }

        }

    }

void COomAppCloseWatcher::DoCancel()

    {

    FUNC_LOG;

    iThread.LogonCancel(iStatus);

    iThread.SetProcessPriority(iOriginalProcessPriority);

    iThread.Close();

    }

void COomAppCloseWatcher::RunL()

    {

    FUNC_LOG;

    if (iThread.Handle())

        iThread.SetProcessPriority(iOriginalProcessPriority);

    iThread.Close();

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

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

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

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

    const TInt KAppTidyUpDelay = 40000;

    User::After(KAppTidyUpDelay);

    iMonitor.CloseAppEvent();

    }