/*

* 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).

*

*/

#ifndef OOMCLOSEAPP_H_

#define OOMCLOSEAPP_H_

#include <apgtask.h>

#include "oomaction.h"

class COomAppCloseTimer;

class COomAppCloseWatcher;

class TApaTask;

class TActionRef;

/*

 * The OOM action of closing an application in order to free up memory.

 *

 *  @lib oommonitor.lib

 *  @since S60 v5.0

 */

NONSHARABLE_CLASS(COomCloseApp) : public COomAction

    {

public:

    /**

     * Two-phased constructor.

     * @param aStateChangeObserver an observer to the state of the application

     * @param aWs a connected handle to a window server session

     */

    static COomCloseApp* NewL(MOomActionObserver& aStateChangeObserver, RWsSession& aWs);

    //from COomAction

    /**

     * Close the application in order to free memory

     * Call the COomAction::MemoryFreed when it is done

     * @param aBytesRequested not used for clsoe app actions

     */

    virtual void FreeMemory(TInt aBytesRequested, TBool aIsDataPaged);

    ~COomCloseApp();

    /**

     * Callback from COomAppCloseWatcher and COomAppCloseTimer

     */

    void CloseAppEvent();

    inline TBool IsRunning();

    /**

     * Configure, or reconfigure the COomCloseApp object

     * Action objects are reused to minimize any memory allocation when memory is low

     */

    void Reconfigure(const TActionRef& aRef);

    inline TUint WgId() const;

private:

    COomCloseApp(MOomActionObserver& aStateChangeObserver, RWsSession& aWs);

    void ConstructL();

    TUint iWgId;

    TBool iAppCloserRunning;

    TApaTask iCurrentTask;

    /**

     * A timeout for an app close action

     * Own

     */

    COomAppCloseTimer* iAppCloseTimer;

    /**

     * A watcher for the application closing

     * Own

     */

    COomAppCloseWatcher* iAppCloseWatcher; 

    };

#include "oomcloseapp.inl"

#endif /*OOMCLOSEAPP_H_*/