recentcapturefiles_list_model.h

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#ifndef RECENTCAPTUREFILES_LIST_MODEL_H
#define RECENTCAPTUREFILES_LIST_MODEL_H
 
#include <QAbstractListModel>
#include <QModelIndex>
#include <QSortFilterProxyModel>
#include <QStyledItemDelegate>

class RecentCaptureFilesListModel : public QAbstractListModel
{
    Q_OBJECT
public:
    enum RecentFileRoles {
        FilenameRole   = Qt::UserRole, 
        FileSizeRole,                  
        AccessibleRole                 
    };

    explicit RecentCaptureFilesListModel(QObject *parent = nullptr);

    ~RecentCaptureFilesListModel();

    int rowCount(const QModelIndex &parent = QModelIndex()) const override;

    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;

    Qt::ItemFlags flags(const QModelIndex &index) const override;
 
private slots:
    void invalidateModel();
};
 

class RecentCaptureFilesReverseProxyModel : public QSortFilterProxyModel
{
    Q_OBJECT
public:
    explicit RecentCaptureFilesReverseProxyModel(QObject *parent = nullptr);

    QModelIndex mapToSource(const QModelIndex &proxyIndex) const override;

    QModelIndex mapFromSource(const QModelIndex &sourceIndex) const override;
};
 

class RecentCaptureFilesDelegate : public QStyledItemDelegate
{
    Q_OBJECT
public:
    explicit RecentCaptureFilesDelegate(QObject *parent = nullptr);

    QString displayText(const QVariant &value, const QLocale &locale) const override;

    void initStyleOption(QStyleOptionViewItem *option, const QModelIndex &index) const override;
 
private:
    QString formatFileSize(qint64 bytes) const;
};
 
#endif // RECENTCAPTUREFILES_LIST_MODEL_H