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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 QFILESYSTEMWATCHER_WIN_P_H
#define QFILESYSTEMWATCHER_WIN_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 "qfilesystemwatcher_p.h"
#include <QtCore/qdatetime.h>
#include <QtCore/qfile.h>
#include <QtCore/qfileinfo.h>
#include <QtCore/qhash.h>
#include <QtCore/qlist.h>
#include <QtCore/qmutex.h>
#include <QtCore/qthread.h>
QT_BEGIN_NAMESPACE
class QWindowsFileSystemWatcherEngineThread;
class QWindowsRemovableDriveListener;
// Even though QWindowsFileSystemWatcherEngine is derived of QThread
// via QFileSystemWatcher, it does not start a thread.
// Instead QWindowsFileSystemWatcher creates QWindowsFileSystemWatcherEngineThreads
// to do the actually watching.
class QWindowsFileSystemWatcherEngine : public QFileSystemWatcherEngine
{
Q_OBJECT
public:
explicit QWindowsFileSystemWatcherEngine(QObject *parent);
~QWindowsFileSystemWatcherEngine();
QStringList addPaths(const QStringList &paths, QStringList *files, QStringList *directories) override;
QStringList removePaths(const QStringList &paths, QStringList *files, QStringList *directories) override;
class Handle
{
public:
Qt::HANDLE handle;
uint flags;
Handle();
};
class PathInfo {
public:
QString absolutePath;
QString path;
bool isDir;
// fileinfo bits
uint ownerId;
uint groupId;
QFile::Permissions permissions;
QDateTime lastModified;
PathInfo &operator=(const QFileInfo &fileInfo)
{
ownerId = fileInfo.ownerId();
groupId = fileInfo.groupId();
permissions = fileInfo.permissions();
lastModified = fileInfo.lastModified();
return *this;
}
bool operator!=(const QFileInfo &fileInfo) const
{
return (ownerId != fileInfo.ownerId()
|| groupId != fileInfo.groupId()
|| permissions != fileInfo.permissions()
|| lastModified != fileInfo.lastModified());
}
};
signals:
void driveLockForRemoval(const QString &);
void driveLockForRemovalFailed(const QString &);
void driveRemoved(const QString &);
private:
QList<QWindowsFileSystemWatcherEngineThread *> threads;
QWindowsRemovableDriveListener *m_driveListener = nullptr;
};
class QFileSystemWatcherPathKey : public QString
{
public:
QFileSystemWatcherPathKey() {}
explicit QFileSystemWatcherPathKey(const QString &other) : QString(other) {}
QFileSystemWatcherPathKey(const QFileSystemWatcherPathKey &other) : QString(other) {}
bool operator==(const QFileSystemWatcherPathKey &other) const { return !compare(other, Qt::CaseInsensitive); }
};
Q_DECLARE_TYPEINFO(QFileSystemWatcherPathKey, Q_RELOCATABLE_TYPE);
inline size_t qHash(const QFileSystemWatcherPathKey &key, size_t seed = 0)
{
return qHash(key.toCaseFolded(), seed);
}
class QWindowsFileSystemWatcherEngineThread : public QThread
{
Q_OBJECT
public:
typedef QHash<QFileSystemWatcherPathKey, QWindowsFileSystemWatcherEngine::Handle> HandleForDirHash;
typedef QHash<QFileSystemWatcherPathKey, QWindowsFileSystemWatcherEngine::PathInfo> PathInfoHash;
QWindowsFileSystemWatcherEngineThread();
~QWindowsFileSystemWatcherEngineThread();
void run() override;
void stop();
void wakeup();
QMutex mutex;
QList<Qt::HANDLE> handles;
int msg;
HandleForDirHash handleForDir;
QHash<Qt::HANDLE, PathInfoHash> pathInfoForHandle;
Q_SIGNALS:
void fileChanged(const QString &path, bool removed);
void directoryChanged(const QString &path, bool removed);
};
QT_END_NAMESPACE
#endif // QFILESYSTEMWATCHER_WIN_P_H
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