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#ifndef QMESSAGEORDERING_H
#define QMESSAGEORDERING_H
#include <Qt>
#include <qmessageglobal.h>
#include <qmessage.h>


QTM_BEGIN_NAMESPACE

class QMessageSortOrderPrivate;

class Q_MESSAGING_EXPORT QMessageSortOrder
{
    friend class QMessageSortOrderPrivate;

public:
    QMessageSortOrder();
    QMessageSortOrder(const QMessageSortOrder &other);
    virtual ~QMessageSortOrder();

    QMessageSortOrder& operator=(const QMessageSortOrder &other);

    bool isEmpty() const;
    bool isSupported() const;

    QMessageSortOrder operator+(const QMessageSortOrder &other) const;
    QMessageSortOrder& operator+=(const QMessageSortOrder &other);

    bool operator==(const QMessageSortOrder &other) const;
    bool operator!=(const QMessageSortOrder &other) const;

    static QMessageSortOrder byType(Qt::SortOrder order = Qt::AscendingOrder);
    static QMessageSortOrder bySender(Qt::SortOrder order = Qt::AscendingOrder);
    static QMessageSortOrder byRecipients(Qt::SortOrder order = Qt::AscendingOrder);
    static QMessageSortOrder bySubject(Qt::SortOrder order = Qt::AscendingOrder);
    static QMessageSortOrder byTimeStamp(Qt::SortOrder order = Qt::AscendingOrder);
    static QMessageSortOrder byReceptionTimeStamp(Qt::SortOrder order = Qt::AscendingOrder);
    static QMessageSortOrder byStatus(QMessage::Status flag, Qt::SortOrder order = Qt::AscendingOrder);
    static QMessageSortOrder byPriority(Qt::SortOrder order = Qt::AscendingOrder);
    static QMessageSortOrder bySize(Qt::SortOrder order = Qt::AscendingOrder);

private:
    QMessageSortOrderPrivate *d_ptr;
};

QTM_END_NAMESPACE
#endif