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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_H
#define QFILESYSTEMWATCHER_H

#include <QtCore/qobject.h>

#ifndef QT_NO_FILESYSTEMWATCHER

QT_BEGIN_NAMESPACE


class QFileSystemWatcherPrivate;

class Q_CORE_EXPORT QFileSystemWatcher : public QObject
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QFileSystemWatcher)

public:
    QFileSystemWatcher(QObject *parent = Q_NULLPTR);
    QFileSystemWatcher(const QStringList &paths, QObject *parent = Q_NULLPTR);
    ~QFileSystemWatcher();

    bool addPath(const QString &file);
    QStringList addPaths(const QStringList &files);
    bool removePath(const QString &file);
    QStringList removePaths(const QStringList &files);

    QStringList files() const;
    QStringList directories() const;

Q_SIGNALS:
    void fileChanged(const QString &path, QPrivateSignal);
    void directoryChanged(const QString &path, QPrivateSignal);

private:
    Q_PRIVATE_SLOT(d_func(), void _q_fileChanged(const QString &path, bool removed))
    Q_PRIVATE_SLOT(d_func(), void _q_directoryChanged(const QString &path, bool removed))
};

QT_END_NAMESPACE

#endif // QT_NO_FILESYSTEMWATCHER
#endif // QFILESYSTEMWATCHER_H