From 0e10f8a290588c4a58667cb667bc39d6466e3c1e Mon Sep 17 00:00:00 2001 From: Paul Davis Date: Thu, 4 Mar 2010 15:01:27 +0000 Subject: [PATCH] add new file git-svn-id: svn://localhost/ardour2/branches/3.0@6727 d708f5d6-7413-0410-9779-e7cbd77b26cf --- libs/pbd/pbd/stateful_owner.h | 42 +++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 libs/pbd/pbd/stateful_owner.h diff --git a/libs/pbd/pbd/stateful_owner.h b/libs/pbd/pbd/stateful_owner.h new file mode 100644 index 0000000000..1c1509aefd --- /dev/null +++ b/libs/pbd/pbd/stateful_owner.h @@ -0,0 +1,42 @@ +/* + Copyright (C) 2000-2010 Paul Davis + + 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. + +*/ + +#ifndef __pbd_stateful_owner_h__ +#define __pbd_stateful_owner_h__ + +#include + +namespace PBD { + +class StatefulDiffCommand; + +/** Base (pure virtual) class for objects with other Stateful's within */ +class StatefulOwner { + public: + StatefulOwner () {} + virtual ~StatefulOwner () {} + + virtual void rdiff (std::vector& cmds) const = 0; + virtual void clear_owned_history () = 0; +}; + +} // namespace PBD + +#endif /* __pbd_stateful_owner_h__ */ +