47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
/*
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* Copyright 2003-2020 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_DATABASE_CLIENT_HXX
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#define MPD_DATABASE_CLIENT_HXX
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struct LightSong;
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/**
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* An object that listens to events from the #Database.
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*
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* @see #Instance
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*/
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class DatabaseListener {
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public:
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/**
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* The database has been modified. This must be called in the
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* thread that has created the #Database instance and that
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* runs the #EventLoop.
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*/
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virtual void OnDatabaseModified() noexcept = 0;
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/**
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* During database update, a song is about to be removed from
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* the database because the file has disappeared.
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*/
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virtual void OnDatabaseSongRemoved(const char *uri) noexcept = 0;
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};
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#endif
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