2 Copyright (C) 2011 Paul Davis
3 Author: Carl Hetherington <cth@carlh.net>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "pbd/memento_command.h"
30 class SessionPlaylists;
32 /** A MementoCommandBinder for Crossfades; required because the undo record
33 * may contain details of crossfades that have subsequently been deleted.
34 * This class allows recovery of a crossfade from an ID once it has been
35 * recreated by a previous undo step.
37 class CrossfadeBinder : public MementoCommandBinder<ARDOUR::Crossfade>
40 CrossfadeBinder (boost::shared_ptr<ARDOUR::SessionPlaylists>, PBD::ID);
41 CrossfadeBinder (XMLNode *, boost::shared_ptr<SessionPlaylists>);
43 ARDOUR::Crossfade* get () const;
44 std::string type_name () const;
45 void add_state (XMLNode *);
48 boost::shared_ptr<ARDOUR::SessionPlaylists> _playlists;