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/*
* Copyright 2003-2016 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_GLOBAL_EVENTS_HXX
#define MPD_GLOBAL_EVENTS_HXX
#include "event/MaskMonitor.hxx"
namespace GlobalEvents {
enum Event {
/** an idle event was emitted */
IDLE,
/** must call playlist_sync() */
PLAYLIST,
/** the current song's tag has changed */
TAG,
MAX
};
typedef void (*Handler)();
class Monitor final : MaskMonitor {
Handler handlers[MAX];
public:
explicit Monitor(EventLoop &_loop):MaskMonitor(_loop) {}
void Register(Event event, Handler handler);
void Emit(Event event);
private:
/**
* Invoke the callback for a certain event.
*/
void Invoke(Event event);
protected:
void HandleMask(unsigned mask) override;
};
}
#endif /* MAIN_NOTIFY_H */
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