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/*
* $Id$
*
* (c) 2004 by Kalle Wallin <kaw@linux.se>
* (c) 2008 Max Kellermann <max@duempel.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef MPDCLIENT_PLAYLIST_H
#define MPDCLIENT_PLAYLIST_H
#include "libmpdclient.h"
#include <assert.h>
#include <glib.h>
struct mpdclient;
typedef struct mpdclient_playlist {
/* playlist id */
long long id;
/* true if the list is updated */
gboolean updated;
/* the list */
GPtrArray *list;
} mpdclient_playlist_t;
void
playlist_init(struct mpdclient_playlist *playlist);
/** remove and free all songs in the playlist */
void
playlist_clear(struct mpdclient_playlist *playlist);
/* free a playlist */
gint mpdclient_playlist_free(mpdclient_playlist_t *playlist);
static inline guint
playlist_length(const struct mpdclient_playlist *playlist)
{
assert(playlist != NULL);
assert(playlist->list != NULL);
return playlist->list->len;
}
static inline gboolean
playlist_is_empty(const struct mpdclient_playlist *playlist)
{
return playlist_length(playlist) == 0;
}
static inline struct mpd_song *
playlist_get(const struct mpdclient_playlist *playlist, guint idx)
{
assert(idx < playlist_length(playlist));
return g_ptr_array_index(playlist->list, idx);
}
static inline void
playlist_append(struct mpdclient_playlist *playlist, const mpd_Song *song)
{
g_ptr_array_add(playlist->list, mpd_songDup(song));
}
static inline void
playlist_set(const struct mpdclient_playlist *playlist, guint idx,
const mpd_Song *song)
{
assert(idx < playlist_length(playlist));
g_ptr_array_index(playlist->list, idx) = mpd_songDup(song);
}
static inline void
playlist_replace(struct mpdclient_playlist *playlist, guint idx,
const mpd_Song *song)
{
mpd_freeSong(playlist_get(playlist, idx));
playlist_set(playlist, idx, song);
}
static inline void
playlist_remove(struct mpdclient_playlist *playlist, guint idx)
{
mpd_Song *song = g_ptr_array_remove_index(playlist->list, idx);
mpd_freeSong(song);
}
static inline void
playlist_swap(struct mpdclient_playlist *playlist, guint idx1, guint idx2)
{
mpd_Song *song1 = playlist_get(playlist, idx1);
mpd_Song *song2 = playlist_get(playlist, idx2);
gint n;
/* update the songs position field */
n = song1->pos;
song1->pos = song2->pos;
song2->pos = n;
/* update the array */
g_ptr_array_index(playlist->list, idx1) = song2;
g_ptr_array_index(playlist->list, idx2) = song1;
}
struct mpd_song *playlist_lookup_song(struct mpdclient *c, gint id);
struct mpd_song *playlist_get_song(struct mpdclient *c, gint index);
gint playlist_get_index(struct mpdclient *c, struct mpd_song *song);
gint playlist_get_index_from_id(struct mpdclient *c, gint id);
gint playlist_get_index_from_file(struct mpdclient *c, gchar *filename);
#endif
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