+
+/** @return list of Playlists that are associated with a track */
+vector<boost::shared_ptr<Playlist> >
+SessionPlaylists::playlists_for_track (boost::shared_ptr<Track> tr) const
+{
+ vector<boost::shared_ptr<Playlist> > pl;
+ get (pl);
+
+ vector<boost::shared_ptr<Playlist> > pl_tr;
+
+ for (vector<boost::shared_ptr<Playlist> >::iterator i = pl.begin(); i != pl.end(); ++i) {
+ if (((*i)->get_orig_track_id() == tr->id()) || (tr->playlist()->id() == (*i)->id())) {
+ pl_tr.push_back (*i);
+ }
+ }
+
+ return pl_tr;
+}
+
+void
+SessionPlaylists::foreach (boost::function<void(boost::shared_ptr<const Playlist>)> functor)
+{
+ Glib::Threads::Mutex::Lock lm (lock);
+ for (List::iterator i = playlists.begin(); i != playlists.end(); i++) {
+ if (!(*i)->hidden()) {
+ functor (*i);
+ }
+ }
+ for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); i++) {
+ if (!(*i)->hidden()) {
+ functor (*i);
+ }
+ }
+}