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00001 // -*- C++ -*- 00002 /* GG is a GUI for SDL and OpenGL. 00003 Copyright (C) 2003-2008 T. Zachary Laine 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Lesser General Public License 00007 as published by the Free Software Foundation; either version 2.1 00008 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Lesser General Public License for more details. 00014 00015 You should have received a copy of the GNU Lesser General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 00018 02111-1307 USA 00019 00020 If you do not wish to comply with the terms of the LGPL please 00021 contact the author as other terms are available for a fee. 00022 00023 Zach Laine 00024 whatwasthataddress@gmail.com */ 00025 00029 #ifndef _GG_Timer_h_ 00030 #define _GG_Timer_h_ 00031 00032 #include <GG/Base.h> 00033 00034 #include <set> 00035 00036 00037 namespace GG { 00038 00039 class Wnd; 00040 00049 class GG_API Timer 00050 { 00051 public: 00053 typedef boost::signal<void (unsigned int, Timer*)> FiredSignalType; 00054 00055 00057 00059 explicit Timer(unsigned int interval, unsigned int start_time = 0); 00060 00061 ~Timer(); 00062 00063 00065 unsigned int Interval() const; 00066 bool Running() const; 00067 00068 00070 void Reset(unsigned int start_time = 0); 00071 void SetInterval(unsigned int interval); 00072 void Connect(Wnd* wnd); 00073 void Disconnect(Wnd* wnd); 00074 void Start(); 00075 void Stop(); 00076 void Update(unsigned int ticks); 00077 00078 00079 mutable FiredSignalType FiredSignal; 00080 00081 private: 00082 typedef std::map<Wnd*, boost::signals::connection> ConnectionMap; 00083 00084 Timer(); 00085 Timer(const Timer&); // disabled 00086 00087 ConnectionMap m_wnd_connections; 00088 unsigned int m_interval; 00089 bool m_running; 00090 unsigned int m_last_fire; 00091 00092 friend class boost::serialization::access; 00093 template <class Archive> 00094 void serialize(Archive& ar, const unsigned int version); 00095 }; 00096 00097 } // namespace GG 00098 00099 // template implementations 00100 template <class Archive> 00101 void GG::Timer::serialize(Archive& ar, const unsigned int version) 00102 { 00103 std::set<Wnd*> wnds; 00104 for (ConnectionMap::iterator it = m_wnd_connections.begin(); 00105 it != m_wnd_connections.end(); 00106 ++it) 00107 { 00108 wnds.insert(it->first); 00109 } 00110 00111 ar & BOOST_SERIALIZATION_NVP(wnds) 00112 & BOOST_SERIALIZATION_NVP(m_interval) 00113 & BOOST_SERIALIZATION_NVP(m_last_fire) 00114 & BOOST_SERIALIZATION_NVP(m_running); 00115 00116 if (Archive::is_loading::value) { 00117 for (std::set<Wnd*>::iterator it = wnds.begin(); it != wnds.end(); ++it) { 00118 Connect(*it); 00119 } 00120 } 00121 } 00122 00123 #endif