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/*
Copyright (C) 2016 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 __libardour_control_group_member_h__
#define __libardour_control_group_member_h__
namespace ARDOUR {
class ControlGroup;
class LIBARDOUR_API ControlGroupMember
{
public:
virtual ~ControlGroupMember () {};
private:
friend class ControlGroup;
/* Only a ControlGroup can call this; all membership changes must be
mediated by the ControlGroup, not by operating on the member.
*/
virtual void set_group (boost::shared_ptr<ControlGroup>) = 0;
};
} /* namespace */
#endif /* __libardour_control_group_member_h__ */
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