Anna Schumaker
61e3137131
Additionally, playlist_set_random() uses a playlist-level function pointer to decide what to do. In most cases this will simply toggle the flag, but the history playlist does not support random playback. Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
195 lines
4.5 KiB
C
195 lines
4.5 KiB
C
/*
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* Copyright 2016 (c) Anna Schumaker.
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*/
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#include <core/playlists/user.h>
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static struct queue_ops *user_pl_ops = NULL;
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static struct database user_db;
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static struct playlist_ops user_ops;
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static struct user_playlist *__user_db_alloc(gchar *name)
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{
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struct user_playlist *playlist = g_malloc(sizeof(struct user_playlist));
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dbe_init(&playlist->pl_dbe, playlist);
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playlist->pl_playlist.pl_name = name;
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playlist->pl_playlist.pl_type = PL_USER;
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playlist->pl_playlist.pl_ops = &user_ops;
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playlist_generic_init(&playlist->pl_playlist, Q_REPEAT, user_pl_ops);
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return playlist;
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}
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static struct db_entry *user_db_alloc(const gchar *name, unsigned int index)
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{
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return &__user_db_alloc(g_strdup(name))->pl_dbe;
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}
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static void user_db_free(struct db_entry *dbe)
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{
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queue_deinit(&USER_PLAYLIST(dbe)->pl_playlist.pl_queue);
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g_free(USER_PLAYLIST(dbe)->pl_playlist.pl_name);
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g_free(USER_PLAYLIST(dbe));
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}
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static gchar *user_db_key(struct db_entry *dbe)
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{
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return g_strdup(USER_PLAYLIST(dbe)->pl_playlist.pl_name);
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}
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static struct db_entry *user_db_read(struct file *file, unsigned int index)
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{
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gchar *name = file_readl(file);
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struct user_playlist *playlist = __user_db_alloc(name);
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queue_load_flags(&playlist->pl_playlist.pl_queue, file, true);
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queue_load_tracks(&playlist->pl_playlist.pl_queue, file);
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queue_iter_set(&playlist->pl_playlist.pl_queue,
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&playlist->pl_playlist.pl_queue.q_cur,
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playlist->pl_playlist.pl_queue.q_cur.it_pos);
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return &playlist->pl_dbe;
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}
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static void user_db_write(struct file *file, struct db_entry *dbe)
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{
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struct playlist *playlist = &USER_PLAYLIST(dbe)->pl_playlist;
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file_writef(file, "%s\n", playlist->pl_name);
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queue_save_flags(&playlist->pl_queue, file, true);
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queue_save_tracks(&playlist->pl_queue, file);
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}
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static const struct db_ops user_db_ops = {
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.dbe_alloc = user_db_alloc,
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.dbe_free = user_db_free,
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.dbe_key = user_db_key,
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.dbe_read = user_db_read,
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.dbe_write = user_db_write,
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};
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static bool pl_user_delete(struct playlist *playlist)
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{
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struct db_entry *dbe = db_get(&user_db, playlist->pl_name);
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if (dbe) {
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db_remove(&user_db, dbe);
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db_defrag(&user_db);
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}
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return dbe != NULL;
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}
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static struct playlist_ops user_ops = {
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.pl_add = playlist_generic_add_track,
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.pl_delete = pl_user_delete,
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.pl_remove = playlist_generic_remove_track,
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.pl_set_flag = playlist_generic_set_flag,
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};
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static struct playlist *__user_pl_lookup(const gchar *name)
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{
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struct db_entry *dbe = db_get(&user_db, name);
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return dbe ? &USER_PLAYLIST(dbe)->pl_playlist : NULL;
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}
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static void pl_user_save(void)
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{
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db_save(&user_db);
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}
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static struct playlist *pl_user_get_playlist(const gchar *name)
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{
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return __user_pl_lookup(name);
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}
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static unsigned int pl_user_get_id(const gchar *name)
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{
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struct db_entry *dbe = db_get(&user_db, name);
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return dbe ? dbe->dbe_index : -1;
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}
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static gchar *pl_user_get_name(unsigned int id)
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{
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struct db_entry *dbe = db_at(&user_db, id);
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return dbe ? g_strdup(USER_PLAYLIST(dbe)->pl_playlist.pl_name) : NULL;
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}
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static bool pl_user_can_select(const gchar *name)
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{
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return db_get(&user_db, name) != NULL;
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}
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static struct playlist *pl_user_new(const gchar *name)
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{
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struct db_entry *dbe;
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if (db_get(&user_db, name))
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return NULL;
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dbe = db_insert(&user_db, name);
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return dbe ? &USER_PLAYLIST(dbe)->pl_playlist : NULL;
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}
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static void pl_user_update(const gchar *name)
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{
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}
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static void pl_user_sort(const gchar *name, enum compare_t sort, bool reset)
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{
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struct playlist *playlist = __user_pl_lookup(name);
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playlist_generic_sort(playlist, sort, reset);
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pl_user_save();
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}
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static struct track *pl_user_next(const gchar *name)
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{
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struct playlist *playlist = __user_pl_lookup(name);
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struct track *track = playlist_generic_next(playlist);
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pl_user_save();
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return track;
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}
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struct playlist_type pl_user = {
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.pl_save = pl_user_save,
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.pl_get_playlist = pl_user_get_playlist,
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.pl_get_id = pl_user_get_id,
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.pl_get_name = pl_user_get_name,
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.pl_can_select = pl_user_can_select,
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.pl_new = pl_user_new,
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.pl_update = pl_user_update,
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.pl_sort = pl_user_sort,
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.pl_next = pl_user_next,
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};
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void pl_user_init(struct queue_ops *ops)
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{
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user_pl_ops = ops;
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db_init(&user_db, "playlist.user", true, &user_db_ops, 0);
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db_load(&user_db);
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}
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void pl_user_deinit()
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{
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db_deinit(&user_db);
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}
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struct database *pl_user_db_get()
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{
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return &user_db;
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}
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void pl_user_delete_track(struct track *track)
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{
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struct db_entry *dbe, *next;
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struct playlist *playlist;
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db_for_each(dbe, next, &user_db) {
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playlist = &USER_PLAYLIST(dbe)->pl_playlist;
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playlist_generic_remove_track(playlist, track);
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}
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}
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