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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_P_H
#define QFILESYSTEMWATCHER_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.h"
QT_REQUIRE_CONFIG(filesystemwatcher);
#include <private/qobject_p.h>
#include <QtCore/qstringlist.h>
#include <QtCore/qhash.h>
QT_BEGIN_NAMESPACE
class QFileSystemWatcherEngine : public QObject
{
Q_OBJECT
protected:
inline QFileSystemWatcherEngine(QObject *parent)
: QObject(parent)
{
}
public:
// fills \a files and \a directories with the \a paths it could
// watch, and returns a list of paths this engine could not watch
virtual QStringList addPaths(const QStringList &paths,
QStringList *files,
QStringList *directories) = 0;
// removes \a paths from \a files and \a directories, and returns
// a list of paths this engine does not know about (either addPath
// failed or wasn't called)
virtual QStringList removePaths(const QStringList &paths,
QStringList *files,
QStringList *directories) = 0;
Q_SIGNALS:
void fileChanged(const QString &path, bool removed);
void directoryChanged(const QString &path, bool removed);
};
class QFileSystemWatcherPrivate : public QObjectPrivate
{
Q_DECLARE_PUBLIC(QFileSystemWatcher)
static QFileSystemWatcherEngine *createNativeEngine(QObject *parent);
public:
QFileSystemWatcherPrivate();
void init();
void initPollerEngine();
QFileSystemWatcherEngine *native, *poller;
QStringList files, directories;
// private slots
void fileChanged(const QString &path, bool removed);
void directoryChanged(const QString &path, bool removed);
void connectEngine(QFileSystemWatcherEngine *e);
#if defined(Q_OS_WIN)
void winDriveLockForRemoval(const QString &);
void winDriveLockForRemovalFailed(const QString &);
void winDriveRemoved(const QString &);
private:
QHash<QChar, QStringList> temporarilyRemovedPaths;
#endif // Q_OS_WIN
};
QT_END_NAMESPACE
#endif // QFILESYSTEMWATCHER_P_H
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