97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
/*
|
|
* Copyright (C) 2003-2011 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.
|
|
*/
|
|
|
|
#include "config.h" /* must be first for large file support */
|
|
#include "UpdateRemove.hxx"
|
|
#include "Playlist.hxx"
|
|
#include "GlobalEvents.hxx"
|
|
#include "thread/Mutex.hxx"
|
|
#include "thread/Cond.hxx"
|
|
|
|
#include "Song.hxx"
|
|
#include "Main.hxx"
|
|
#include "Instance.hxx"
|
|
|
|
#ifdef ENABLE_SQLITE
|
|
#include "StickerDatabase.hxx"
|
|
#include "SongSticker.hxx"
|
|
#endif
|
|
|
|
#include <glib.h>
|
|
|
|
#include <assert.h>
|
|
|
|
static const Song *removed_song;
|
|
|
|
static Mutex remove_mutex;
|
|
static Cond remove_cond;
|
|
|
|
/**
|
|
* Safely remove a song from the database. This must be done in the
|
|
* main task, to be sure that there is no pointer left to it.
|
|
*/
|
|
static void
|
|
song_remove_event(void)
|
|
{
|
|
char *uri;
|
|
|
|
assert(removed_song != NULL);
|
|
|
|
uri = removed_song->GetURI();
|
|
g_message("removing %s", uri);
|
|
g_free(uri);
|
|
|
|
#ifdef ENABLE_SQLITE
|
|
/* if the song has a sticker, remove it */
|
|
if (sticker_enabled())
|
|
sticker_song_delete(removed_song);
|
|
#endif
|
|
|
|
instance->DeleteSong(*removed_song);
|
|
|
|
/* clear "removed_song" and send signal to update thread */
|
|
remove_mutex.lock();
|
|
removed_song = NULL;
|
|
remove_cond.signal();
|
|
remove_mutex.unlock();
|
|
}
|
|
|
|
void
|
|
update_remove_global_init(void)
|
|
{
|
|
GlobalEvents::Register(GlobalEvents::DELETE, song_remove_event);
|
|
}
|
|
|
|
void
|
|
update_remove_song(const Song *song)
|
|
{
|
|
assert(removed_song == NULL);
|
|
|
|
removed_song = song;
|
|
|
|
GlobalEvents::Emit(GlobalEvents::DELETE);
|
|
|
|
remove_mutex.lock();
|
|
|
|
while (removed_song != NULL)
|
|
remove_cond.wait(remove_mutex);
|
|
|
|
remove_mutex.unlock();
|
|
}
|