/* This file is part of Clementine.
   Copyright 2012, David Sansome <me@davidsansome.com>

   Clementine 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.

   Clementine 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 Clementine.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef MACFSLISTENER_H
#define MACFSLISTENER_H

#include <CoreServices/CoreServices.h>

#include <QObject>
#include <QSet>
#include <QTimer>

#include "filesystemwatcherinterface.h"

class MacFSListener : public FileSystemWatcherInterface {
  Q_OBJECT

 public:
  explicit MacFSListener(QObject* parent = 0);
  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
