static gboolean
xmms_playlist_remove_unlocked (xmms_playlist_t *playlist, const gchar *plname,
xmmsv_coll_t *plcoll, guint pos, xmms_error_t *err)
{
gint currpos;
xmmsv_t *dict;
g_return_val_if_fail (playlist, FALSE);
currpos = xmms_playlist_coll_get_currpos (plcoll);
if (!xmmsv_coll_idlist_remove (plcoll, pos)) {
if (err) xmms_error_set (err, XMMS_ERROR_NOENT, "Entry was not in list!");
return FALSE;
}
dict = xmms_playlist_changed_msg_new (playlist, XMMS_PLAYLIST_CHANGED_REMOVE, 0, plname);
xmmsv_dict_set_int (dict, "position", pos);
xmms_playlist_changed_msg_send (playlist, dict);
/* decrease current position if removed entry was before or if it's
* the current entry, but only if current position is a valid entry.
*/
if (currpos != -1 && pos <= currpos) {
currpos = MAX (0, currpos - 1);
xmms_collection_set_int_attr (plcoll, "position", currpos);
XMMS_PLAYLIST_CURRPOS_MSG (currpos, plname);
}
return TRUE;
}
/**
* Insert an entry at a given position in the playlist without
* validating it.
*
* @internal
*/
void
xmms_playlist_insert_entry (xmms_playlist_t *playlist, const gchar *plname,
guint32 pos, xmms_medialib_entry_t file,
xmms_error_t *err)
{
xmms_medialib_session_t *session;
xmmsv_t *dict;
gint currpos;
gint len;
xmmsv_coll_t *plcoll;
gboolean valid;
g_mutex_lock (playlist->mutex);
do {
session = xmms_medialib_session_begin_ro (playlist->medialib);
valid = xmms_medialib_check_id (session, file);
} while (!xmms_medialib_session_commit (session));
if (!valid) {
g_mutex_unlock (playlist->mutex);
xmms_error_set (err, XMMS_ERROR_NOENT,
"That is not a valid medialib id!");
return;
}
plcoll = xmms_playlist_get_coll (playlist, plname, err);
if (plcoll == NULL) {
/* FIXME: happens ? */
g_mutex_unlock (playlist->mutex);
return;
}
len = xmms_playlist_coll_get_size (plcoll);
if (pos > len) {
xmms_error_set (err, XMMS_ERROR_GENERIC,
"Could not insert entry outside of playlist!");
g_mutex_unlock (playlist->mutex);
return;
}
xmmsv_coll_idlist_insert (plcoll, pos, file);
/** propagate the MID ! */
dict = xmms_playlist_changed_msg_new (playlist, XMMS_PLAYLIST_CHANGED_INSERT, file, plname);
xmmsv_dict_set_int (dict, "position", pos);
xmms_playlist_changed_msg_send (playlist, dict);
/** update position once client is familiar with the new item. */
currpos = xmms_playlist_coll_get_currpos (plcoll);
if (pos <= currpos) {
currpos++;
xmms_collection_set_int_attr (plcoll, "position", currpos);
XMMS_PLAYLIST_CURRPOS_MSG (currpos, plname);
}
g_mutex_unlock (playlist->mutex);
}
/**
* Add an entry to the playlist without locking the mutex.
*/
void
xmms_playlist_add_entry_unlocked (xmms_playlist_t *playlist,
const gchar *plname,
xmmsv_coll_t *plcoll,
xmms_medialib_entry_t file,
xmms_error_t *err)
{
gint prev_size;
xmmsv_t *dict;
prev_size = xmms_playlist_coll_get_size (plcoll);
xmmsv_coll_idlist_append (plcoll, file);
/** propagate the MID ! */
dict = xmms_playlist_changed_msg_new (playlist, XMMS_PLAYLIST_CHANGED_ADD, file, plname);
xmmsv_dict_set_int (dict, "position", prev_size);
xmms_playlist_changed_msg_send (playlist, dict);
}
/**
* Move an entry in playlist
*
*/
static void
xmms_playlist_client_move_entry (xmms_playlist_t *playlist,
const gchar *plname, gint32 pos,
gint32 newpos, xmms_error_t *err)
{
xmmsv_t *dict;
xmms_medialib_entry_t id;
gint currpos, size;
gint64 ipos, inewpos;
xmmsv_coll_t *plcoll;
g_return_if_fail (playlist);
XMMS_DBG ("Moving %d, to %d", pos, newpos);
g_mutex_lock (playlist->mutex);
plcoll = xmms_playlist_get_coll (playlist, plname, err);
if (plcoll == NULL) {
/* FIXME: happens ? */
g_mutex_unlock (playlist->mutex);
return;
}
currpos = xmms_playlist_coll_get_currpos (plcoll);
size = xmms_playlist_coll_get_size (plcoll);
if (size == 0 || newpos > (size - 1)) {
xmms_error_set (err, XMMS_ERROR_NOENT,
"Cannot move entry outside playlist");
g_mutex_unlock (playlist->mutex);
return;
}
if (!xmmsv_coll_idlist_move (plcoll, pos, newpos)) {
xmms_error_set (err, XMMS_ERROR_NOENT, "Entry was not in list!");
g_mutex_unlock (playlist->mutex);
return;
}
/* Update the current position pointer */
ipos = pos;
inewpos = newpos;
if (inewpos <= currpos && ipos > currpos)
currpos++;
else if (inewpos >= currpos && ipos < currpos)
currpos--;
else if (ipos == currpos)
currpos = inewpos;
xmms_collection_set_int_attr (plcoll, "position", currpos);
xmmsv_coll_idlist_get_index (plcoll, newpos, &id);
dict = xmms_playlist_changed_msg_new (playlist, XMMS_PLAYLIST_CHANGED_MOVE, id, plname);
xmmsv_dict_set_int (dict, "position", pos);
xmmsv_dict_set_int (dict, "newposition", newpos);
xmms_playlist_changed_msg_send (playlist, dict);
XMMS_PLAYLIST_CURRPOS_MSG (currpos, plname);
g_mutex_unlock (playlist->mutex);
return;
}
