void playlist_manager::playlist_activate_delta(int p_delta) {
const t_size total = get_playlist_count();
if (total > 0) {
t_size active = get_active_playlist();
//clip p_delta to -(total-1)...(total-1) range
if (p_delta < 0) {
p_delta = - ( (-p_delta) % (t_ssize)total );
} else {
p_delta = p_delta % total;
}
if (p_delta != 0) {
if (active == pfc_infinite) {
//special case when no playlist is active
if (p_delta > 0) {
active = (t_size)(p_delta - 1);
} else {
active = (total + p_delta);//p_delta is negative
}
} else {
active = (t_size) (active + total + p_delta) % total;
}
set_active_playlist(active % total);
}
}
}
bool playlist_switcher::find_or_create_playlist_activate(const char * name)
{
bool rv = false;
unsigned idx = find_or_create_playlist(name);
if (idx != (unsigned)(-1))
rv = set_active_playlist(idx);
return rv;
}
bool playlist_manager::highlight_playing_item()
{
t_size playlist,item;
if (!get_playing_item_location(&playlist,&item)) return false;
set_active_playlist(playlist);
playlist_set_focus_item(playlist,item);
playlist_set_selection(playlist,bit_array_true(),bit_array_one(item));
playlist_ensure_visible(playlist,item);
return true;
}
/**
* parse a 'play playlist' or like command.
* Will first search for the palylist by name,
* if this fails, search for it by index instead,
* for a number has been parsed
*/
sp_playlist* parse_play_command(sp_session* session, char *buffer,
struct play_queue* node)
{
sp_playlist *playlist = NULL;
/* split on ' ', leaving just the name or id of the playlist */
char *tok;
tok = strchr(buffer, ' ');
/* If plain play command */
if(tok == NULL) {
playlist = playlist_find_by_num(session, pc);
if(playlist != NULL) {
set_active_playlist(session, playlist, node);
return playlist;
}
return NULL;
} else tok = (tok +1);
/* Check playlist name first */
playlist = playlist_find_by_name(pc, tok);
if(playlist != NULL) {
printf("Loading playlist %s\n", tok);
set_active_playlist(session, playlist, node);
return playlist;
}
/* Playlist name not found. Fallback on index */
int playlist_id;
if(sscanf( tok, "%d", &playlist_id ) == 1) {
printf("Match index!\n");
playlist = playlist_play_by_index(session, pc, playlist_id);
if(playlist != NULL) {
set_active_playlist(session, playlist, node);
return playlist;
} else {
printf("Playlist nr.'%d' is not ready!\n", playlist_id );
return NULL;
}
}
printf("Could not find a playlist with name '%s'\n", buffer + strlen("play ") );
return NULL;
}
void playlist_manager::active_playlist_fix()
{
t_size playlist = get_active_playlist();
if (playlist == pfc_infinite)
{
t_size max = get_playlist_count();
if (max == 0)
{
create_playlist_autoname();
}
set_active_playlist(0);
}
}
bool playlist_switcher::delete_playlist_autoswitch(unsigned idx)
{
unsigned num,active;
num = get_num_playlists();
active = get_active_playlist();
if (idx>=num || num<=1) return false;
if (idx==active)
{
if (idx+1>=num) active = idx-1;
else active = idx+1;
set_active_playlist(active);
}
return delete_playlist(idx);
}
bool playlist_manager::remove_playlist_switch(t_size idx)
{
bool need_switch = get_active_playlist() == idx;
if (remove_playlist(idx))
{
if (need_switch)
{
t_size total = get_playlist_count();
if (total > 0)
{
if (idx >= total) idx = total-1;
set_active_playlist(idx);
}
}
return true;
}
else return false;
}
