/*

* 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:  Classes for executing OOM actions (e.g. closing applications and running plugins).

*

*/

#include <apgtask.h>

#include "oomcloseapp.h"

#include "OomTraces.h"

#include "oomappclosetimer.h"

#include "oomappclosewatcher.h"

#include "oomactionref.h"

#include "oommemorymonitor.h"

#include "oomconstants.hrh"

#include "oompanic.h"

COomCloseApp* COomCloseApp::NewL(MOomActionObserver& aStateChangeObserver, RWsSession& aWs)

    {

    FUNC_LOG;

    COomCloseApp* self = new (ELeave) COomCloseApp(aStateChangeObserver, aWs);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

// Close the application in order to free memory

// Call the COomAction::MemoryFreed when it is done

void COomCloseApp::FreeMemory(TInt, TBool aIsDataPaged)

    {

    FUNC_LOG;

    iAppCloserRunning = ETrue;

    // Set the TApaTask to the app

    iCurrentTask.SetWgId(iWgId);

    __ASSERT_DEBUG(!iAppCloseTimer->IsActive(), OomMonitorPanic(KStartingActiveCloseAppTimer));    

    __ASSERT_DEBUG(!iAppCloseWatcher->IsActive(), OomMonitorPanic(KStartingActiveAppCloseWatcher));    

    // Start a timer and the thread watcher 

    iAppCloseTimer->After(CMemoryMonitor::GlobalConfig().iMaxAppExitTime * KMicrosecondsInMillisecond);

    iAppCloseWatcher->Start(iCurrentTask);

    // Tell the app to close

    TRACES1("COomCloseApp::FreeMemory: Closing app with window group id %d",iWgId);

    RThread thread;

    TInt err=thread.Open(iCurrentTask.ThreadId());

    if (err == KErrNone)

        {

        RProcess process;

        err = thread.Process(process);

        if(err == KErrNone)

            {

            TBool isDataPaged = process.DefaultDataPaged();

            if((aIsDataPaged && isDataPaged) || (!aIsDataPaged && !isDataPaged ))

                {

                iCurrentTask.EndTask();

                }                    

            process.Close();

            }

        thread.Close();

        }

    }

COomCloseApp::~COomCloseApp()

    {

    FUNC_LOG;

    if (iAppCloseTimer)

        iAppCloseTimer->Cancel();

    if (iAppCloseWatcher)

        iAppCloseWatcher->Cancel();

    delete iAppCloseTimer;    

    delete iAppCloseWatcher;

    }

// Callback from COomAppCloseWatcher and COomAppCloseTimer

void COomCloseApp::CloseAppEvent()

    {

    FUNC_LOG;

    // The application has closed (or we have a timeout)

    iAppCloserRunning = EFalse;

    if (iAppCloseTimer)

        iAppCloseTimer->Cancel();

    if (iAppCloseWatcher)

        iAppCloseWatcher->Cancel(); 

    MemoryFreed(KErrNone);

    }

void COomCloseApp::Reconfigure(const TActionRef& aRef)

    {

    FUNC_LOG;

    iWgId = aRef.WgId();    

    }

void COomCloseApp::ConstructL()

    {

    FUNC_LOG;

    iAppCloseTimer = COomAppCloseTimer::NewL(*this);

    iAppCloseWatcher = new(ELeave) COomAppCloseWatcher(*this);

    }

COomCloseApp::COomCloseApp(MOomActionObserver& aStateChangeObserver, RWsSession& aWs)

                                : COomAction(aStateChangeObserver), iCurrentTask(aWs)

    {

    FUNC_LOG;

    }