/*

* Copyright (c) 2009 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:

*

*/

#ifndef CXEMEMORYMONITOR_H

#define CXEMEMORYMONITOR_H

#include <QObject>

class CxeFeatureManager;

class CxeMemoryMonitorPrivate;

/*!

* Memory monitor class.

* Memory monitor requests a pre-defined value of startup memory

* at the time it is created, and throws error if it cannot get

* enough memory freed. After creating, it can be set to monitor

* free memory and try to keep it above pre-defined level.

* Pre-defined levels are read from Feature Manager.

*/

class CxeMemoryMonitor : public QObject

{

    Q_OBJECT

public:

    explicit CxeMemoryMonitor(CxeFeatureManager &features);

    ~CxeMemoryMonitor();

public:

    int free() const;

public slots:

    void startMonitoring();

    void stopMonitoring();

private:

    bool requestFreeMemory(int requiredFreeMemory);

private:

    CxeMemoryMonitorPrivate *p;

};

#endif // CXEMEMORYMONITOR_H