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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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/qthread.h>
#include <QtCore/qfile.h>
#include <QtCore/qfileinfo.h>
#include <QtCore/qhash.h>
#include <QtCore/qmutex.h>
#include <QtCore/qvector.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;
#ifndef Q_OS_WINRT
QWindowsRemovableDriveListener *m_driveListener = nullptr;
#endif
};
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_MOVABLE_TYPE);
inline uint qHash(const QFileSystemWatcherPathKey &key) { return qHash(key.toCaseFolded()); }
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;
QVector<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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