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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef FILEINFOTHREAD_P_H
#define FILEINFOTHREAD_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QThread>
#include <QMutex>
#include <QWaitCondition>
#if QT_CONFIG(filesystemwatcher)
#include <QFileSystemWatcher>
#endif
#include <QFileInfo>
#include <QDir>
#include "fileproperty_p.h"
#include "qquickfolderlistmodel_p.h"
QT_BEGIN_NAMESPACE
class FileInfoThread : public QThread
{
Q_OBJECT
Q_SIGNALS:
void directoryChanged(const QString &directory, const QList<FileProperty> &list) const;
void directoryUpdated(const QString &directory, const QList<FileProperty> &list, int fromIndex, int toIndex) const;
void sortFinished(const QList<FileProperty> &list) const;
void statusChanged(QQuickFolderListModel::Status status) const;
public:
FileInfoThread(QObject *parent = nullptr);
~FileInfoThread();
void clear();
void removePath(const QString &path);
void setPath(const QString &path);
void setRootPath(const QString &path);
void setSortFlags(QDir::SortFlags flags);
void setNameFilters(const QStringList & nameFilters);
void setShowFiles(bool show);
void setShowDirs(bool showFolders);
void setShowDirsFirst(bool show);
void setShowDotAndDotDot(bool on);
void setShowHidden(bool on);
void setShowOnlyReadable(bool on);
void setCaseSensitive(bool on);
public Q_SLOTS:
#if QT_CONFIG(filesystemwatcher)
void dirChanged(const QString &directoryPath);
void updateFile(const QString &path);
#endif
protected:
void run() override;
void runOnce();
void initiateScan();
void getFileInfos(const QString &path);
void findChangeRange(const QList<FileProperty> &list, int &fromIndex, int &toIndex);
private:
enum class UpdateType {
None = 1 << 0,
// The order of the files in the current folder changed.
Sort = 1 << 1,
// A subset of files in the current folder changed.
Contents = 1 << 2
};
Q_DECLARE_FLAGS(UpdateTypes, UpdateType)
// Declare these ourselves, as Q_DECLARE_OPERATORS_FOR_FLAGS needs the enum to be public.
friend constexpr UpdateTypes operator|(UpdateType f1, UpdateTypes f2) noexcept;
friend constexpr UpdateTypes operator&(UpdateType f1, UpdateTypes f2) noexcept;
QMutex mutex;
QWaitCondition condition;
volatile bool abort;
bool scanPending;
#if QT_CONFIG(filesystemwatcher)
QFileSystemWatcher *watcher;
#endif
QList<FileProperty> currentFileList;
QDir::SortFlags sortFlags;
QString currentPath;
QString rootPath;
QStringList nameFilters;
bool needUpdate;
UpdateTypes updateTypes;
bool showFiles;
bool showDirs;
bool showDirsFirst;
bool showDotAndDotDot;
bool showHidden;
bool showOnlyReadable;
bool caseSensitive;
};
QT_END_NAMESPACE
#endif // FILEINFOTHREAD_P_H
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