diff options
| -rw-r--r-- | libs/ardour/ardour/crossfade_binder.h | 52 | ||||
| -rw-r--r-- | libs/ardour/crossfade_binder.cc | 63 |
2 files changed, 115 insertions, 0 deletions
diff --git a/libs/ardour/ardour/crossfade_binder.h b/libs/ardour/ardour/crossfade_binder.h new file mode 100644 index 0000000000..1adfdde545 --- /dev/null +++ b/libs/ardour/ardour/crossfade_binder.h @@ -0,0 +1,52 @@ +/* + Copyright (C) 2011 Paul Davis + Author: Carl Hetherington <cth@carlh.net> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include "pbd/id.h" +#include "pbd/memento_command.h" + +class XMLNode; + +namespace ARDOUR { + +class Crossfade; +class Playlist; +class SessionPlaylists; + +/** A MementoCommandBinder for Crossfades; required because the undo record + * may contain details of crossfades that have subsequently been deleted. + * This class allows recovery of a crossfade from an ID once it has been + * recreated by a previous undo step. + */ +class CrossfadeBinder : public MementoCommandBinder<ARDOUR::Crossfade> +{ +public: + CrossfadeBinder (boost::shared_ptr<ARDOUR::SessionPlaylists>, PBD::ID); + CrossfadeBinder (XMLNode *, boost::shared_ptr<SessionPlaylists>); + + ARDOUR::Crossfade* get () const; + std::string type_name () const; + void add_state (XMLNode *); + +private: + boost::shared_ptr<ARDOUR::SessionPlaylists> _playlists; + PBD::ID _id; +}; + +} diff --git a/libs/ardour/crossfade_binder.cc b/libs/ardour/crossfade_binder.cc new file mode 100644 index 0000000000..34e7adab4b --- /dev/null +++ b/libs/ardour/crossfade_binder.cc @@ -0,0 +1,63 @@ +/* + Copyright (C) 2011 Paul Davis + Author: Carl Hetherington <cth@carlh.net> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include "ardour/crossfade_binder.h" +#include "ardour/session_playlists.h" +#include "ardour/crossfade.h" + +using namespace ARDOUR; + +CrossfadeBinder::CrossfadeBinder (boost::shared_ptr<SessionPlaylists> playlists, PBD::ID id) + : _playlists (playlists) + , _id (id) +{ + +} + + +CrossfadeBinder::CrossfadeBinder (XMLNode* node, boost::shared_ptr<SessionPlaylists> playlists) + : _playlists (playlists) +{ + XMLProperty* id = node->property ("crossfade-id"); + assert (id); + + _id = PBD::ID (id->value ()); +} + +ARDOUR::Crossfade * +CrossfadeBinder::get () const +{ + ARDOUR::Crossfade* c = _playlists->find_crossfade (_id).get (); + assert (c); + return c; +} + +std::string +CrossfadeBinder::type_name () const +{ + return "ARDOUR::Crossfade"; +} + +void +CrossfadeBinder::add_state (XMLNode* node) +{ + node->add_property ("crossfade-id", _id.to_s ()); +} + |