Add missing files.

git-svn-id: svn://localhost/ardour2/branches/3.0@10105 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --git a/libs/ardour/ardour/crossfade_binder.h b/libs/ardour/ardour/crossfade_binder.h
new file mode 100644 (file)
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+++ 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 (file)
index 0000000..34e7ada
--- /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 ());
+}
+