1 // dbuscallbacks.h
2 //
3 // Copyright (C) 2019 - swift Project Community / Contributors (http://swift-project.org/)
4 // Adapted to Flightgear by Lars Toenning <dev@ltoenning.de>
5 //
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License as
8 // published by the Free Software Foundation; either version 2 of the
9 // License, or (at your option) any later version.
10 //
11 // This program is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 // General Public License for more details.
15 //
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
19 
20 #ifndef BLACKSIM_FGSWIFTBUS_DBUSASYNCCALLBACKS_H
21 #define BLACKSIM_FGSWIFTBUS_DBUSASYNCCALLBACKS_H
22 
23 #include <dbus/dbus.h>
24 #include <functional>
25 
26 namespace FGSwiftBus
27 {
28     //! \cond PRIVATE
29     template <typename T>
30     class DBusAsyncCallbacks
31     {
32     public:
33         DBusAsyncCallbacks() = default;
DBusAsyncCallbacks(const std::function<dbus_bool_t (T *)> & add,const std::function<void (T *)> & remove,const std::function<void (T *)> & toggled)34         DBusAsyncCallbacks(const std::function<dbus_bool_t(T *)> &add,
35                            const std::function<void(T *)> &remove,
36                            const std::function<void(T *)> &toggled)
37             : m_addHandler(add), m_removeHandler(remove), m_toggledHandler(toggled)
38         { }
39 
add(T * watch,void * refcon)40         static dbus_bool_t add(T *watch, void *refcon)
41         {
42             return static_cast<DBusAsyncCallbacks *>(refcon)->m_addHandler(watch);
43         }
44 
remove(T * watch,void * refcon)45         static void remove(T *watch, void *refcon)
46         {
47             return static_cast<DBusAsyncCallbacks *>(refcon)->m_removeHandler(watch);
48         }
49 
toggled(T * watch,void * refcon)50         static void toggled(T *watch, void *refcon)
51         {
52             return static_cast<DBusAsyncCallbacks *>(refcon)->m_toggledHandler(watch);
53         }
54 
55     private:
56         std::function<dbus_bool_t(T *)> m_addHandler;
57         std::function<void(T *)> m_removeHandler;
58         std::function<void(T *)> m_toggledHandler;
59     };
60     //! \endcond
61 
62 }
63 
64 #endif // guard
65