2009-09-24 21:39:46 +02:00
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/*
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2013-10-30 23:37:06 +01:00
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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2009-09-24 21:39:46 +02:00
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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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2009-11-11 14:13:24 +01:00
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#include "config.h" /* must be first for large file support */
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2013-01-02 19:22:15 +01:00
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#include "UpdateRemove.hxx"
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2013-09-27 22:31:24 +02:00
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#include "UpdateDomain.hxx"
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2013-01-09 23:12:53 +01:00
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#include "GlobalEvents.hxx"
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2013-01-21 10:42:47 +01:00
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#include "thread/Mutex.hxx"
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#include "thread/Cond.hxx"
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2013-07-28 13:25:12 +02:00
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#include "Song.hxx"
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2012-09-28 00:40:00 +02:00
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#include "Main.hxx"
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2013-04-17 22:58:33 +02:00
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#include "Instance.hxx"
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2013-09-27 22:31:24 +02:00
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#include "Log.hxx"
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2009-09-24 21:39:46 +02:00
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#ifdef ENABLE_SQLITE
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2013-01-02 22:25:17 +01:00
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#include "StickerDatabase.hxx"
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#include "SongSticker.hxx"
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2009-09-24 21:39:46 +02:00
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#endif
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#include <assert.h>
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2013-07-28 13:25:12 +02:00
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static const Song *removed_song;
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2009-09-24 21:39:46 +02:00
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2013-01-21 10:42:47 +01:00
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static Mutex remove_mutex;
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static Cond remove_cond;
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2009-09-24 21:39:46 +02:00
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/**
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* Safely remove a song from the database. This must be done in the
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* main task, to be sure that there is no pointer left to it.
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*/
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static void
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song_remove_event(void)
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{
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2013-10-19 18:19:03 +02:00
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assert(removed_song != nullptr);
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2009-09-24 21:39:46 +02:00
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2013-10-17 01:01:15 +02:00
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{
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const auto uri = removed_song->GetURI();
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2013-11-04 22:20:11 +01:00
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FormatDefault(update_domain, "removing %s", uri.c_str());
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2013-10-17 01:01:15 +02:00
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}
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2009-09-24 21:39:46 +02:00
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#ifdef ENABLE_SQLITE
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/* if the song has a sticker, remove it */
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if (sticker_enabled())
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2014-01-08 00:41:08 +01:00
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sticker_song_delete(*removed_song);
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2009-09-24 21:39:46 +02:00
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#endif
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2013-04-17 22:58:33 +02:00
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instance->DeleteSong(*removed_song);
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2009-09-24 21:39:46 +02:00
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2011-01-10 21:40:15 +01:00
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/* clear "removed_song" and send signal to update thread */
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2013-01-21 10:42:47 +01:00
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remove_mutex.lock();
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2013-10-19 18:19:03 +02:00
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removed_song = nullptr;
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2013-01-21 10:42:47 +01:00
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remove_cond.signal();
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remove_mutex.unlock();
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2009-09-24 21:39:46 +02:00
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}
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void
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update_remove_global_init(void)
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{
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2013-01-09 23:12:53 +01:00
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GlobalEvents::Register(GlobalEvents::DELETE, song_remove_event);
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2009-09-24 21:39:46 +02:00
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}
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void
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2013-07-28 13:25:12 +02:00
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update_remove_song(const Song *song)
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2009-09-24 21:39:46 +02:00
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{
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2013-10-19 18:19:03 +02:00
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assert(removed_song == nullptr);
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2009-09-24 21:39:46 +02:00
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removed_song = song;
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2013-01-09 23:12:53 +01:00
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GlobalEvents::Emit(GlobalEvents::DELETE);
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2009-09-24 21:39:46 +02:00
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2013-01-21 10:42:47 +01:00
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remove_mutex.lock();
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2011-01-10 21:40:15 +01:00
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2013-10-19 18:19:03 +02:00
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while (removed_song != nullptr)
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2013-01-21 10:42:47 +01:00
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remove_cond.wait(remove_mutex);
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2009-09-24 21:39:46 +02:00
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2013-01-21 10:42:47 +01:00
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remove_mutex.unlock();
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2009-09-24 21:39:46 +02:00
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}
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