kmemoryinfo.h

Go to the documentation of this file.

/*
 * Copyright 2010 Pino Toscano <pino at kde dot org>
 * Copyright 2011 Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License (LGPL) as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */
 
#ifndef DIGIKAM_KMEMORY_INFO_H
#define DIGIKAM_KMEMORY_INFO_H
 
// Qt includes
 
#include <QSharedDataPointer>
 
// Local includes
 
#include "digikam_export.h"
 
class QDateTime;
 
namespace Digikam
{
 
class DIGIKAM_EXPORT KMemoryInfo
{
 
public:
 
    enum MemoryDetail
    {
        TotalRam        = 1 << 0,
        AvailableRam    = 1 << 1,
        TotalSwap       = 1 << 10,
        AvailableSwap   = 1 << 11,
        AvailableMemory = AvailableRam | AvailableSwap
    };
    Q_DECLARE_FLAGS(MemoryDetails, MemoryDetail)
 
    
    explicit KMemoryInfo();
 
    KMemoryInfo(const KMemoryInfo& info);
 
    ~KMemoryInfo();
 
    KMemoryInfo& operator=(const KMemoryInfo& info);
 
    int isValid()                          const;
 
    static KMemoryInfo currentInfo();
 
    int update();
 
    qint64 bytes(MemoryDetails detail)     const;
    double kilobytes(MemoryDetails detail) const;
    double megabytes(MemoryDetails detail) const;
 
    QDateTime lastUpdate() const;
 
public:
 
    // Defined as public due to use by external parts
    class KMemoryInfoData;
 
private:
 
    QSharedDataPointer<KMemoryInfoData> d;
};
 
} // namespace Digikam
 
Q_DECLARE_OPERATORS_FOR_FLAGS(Digikam::KMemoryInfo::MemoryDetails)
 
#endif // DIGIKAM_KMEMORY_INFO_H