1 // Base class for elements of property controlled subsystems
3 // Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
5 // This library is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU Library General Public
7 // License as published by the Free Software Foundation; either
8 // version 2 of the License, or (at your option) any later version.
10 // This library 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 GNU
13 // Library General Public License for more details.
15 // You should have received a copy of the GNU Library General Public
16 // License along with this library; if not, write to the Free Software
17 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 #ifndef SG_PROPERTY_BASED_ELEMENT_HXX_
20 #define SG_PROPERTY_BASED_ELEMENT_HXX_
22 #include <simgear/props/props.hxx>
24 #include <boost/shared_ptr.hpp>
25 #include <boost/weak_ptr.hpp>
31 class PropertyBasedElement;
32 typedef boost::shared_ptr<PropertyBasedElement> PropertyBasedElementPtr;
33 typedef boost::weak_ptr<PropertyBasedElement> PropertyBasedElementWeakPtr;
36 * Base class for a property controlled element
38 class PropertyBasedElement:
39 public SGPropertyChangeListener
42 PropertyBasedElement(SGPropertyNode* node);
43 virtual ~PropertyBasedElement();
45 virtual void update(double delta_time_sec) = 0;
47 SGConstPropertyNode_ptr getProps() const;
48 SGPropertyNode_ptr getProps();
50 virtual void setSelf(const PropertyBasedElementPtr& self);
54 SGPropertyNode_ptr _node;
55 PropertyBasedElementWeakPtr _self;
58 } // namespace simgear
60 #endif /* SG_PROPERTY_BASED_ELEMENT_HXX_ */