/*
 * Strawberry Music Player
 * This file was part of Clementine.
 * Copyright 2012, David Sansome <me@davidsansome.com>
 * Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
 *
 * Strawberry is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Strawberry is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef MACFSLISTENER_H
#define MACFSLISTENER_H

#include "config.h"

#include <CoreServices/CoreServices.h>

#include <QObject>
#include <QSet>
#include <QString>

#include "filesystemwatcherinterface.h"

class QTimer;

class MacFSListener : public FileSystemWatcherInterface {
  Q_OBJECT

 public:
  explicit MacFSListener(QObject *parent = nullptr);
  void Init();
  void AddPath(const QString &path);
  void RemovePath(const QString &path);
  void Clear();

 signals:
  void PathChanged(const QString &path);

 private slots:
  void UpdateStream();

 private:
  void UpdateStreamAsync();

  static void EventStreamCallback(ConstFSEventStreamRef stream, void *user_data, size_t num_events, void *event_paths, const FSEventStreamEventFlags event_flags[], const FSEventStreamEventId event_ids[]);

  CFRunLoopRef run_loop_;
  FSEventStreamRef stream_;

  QSet<QString> paths_;
  QTimer *update_timer_;
};

#endif  // MACFSLISTENER_H