00001 /*************************************************************************** 00002 ** 00003 ** This file is part of GpCoreTools. 00004 ** 00005 ** This file may be distributed and/or modified under the terms of the 00006 ** GNU General Public License version 2 or 3 as published by the Free 00007 ** Software Foundation and appearing in the file LICENSE.GPL included 00008 ** in the packaging of this file. 00009 ** 00010 ** This file is distributed in the hope that it will be useful, but WITHOUT 00011 ** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 ** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 00013 ** more details. 00014 ** 00015 ** You should have received a copy of the GNU General Public License 00016 ** along with this program. If not, see <http://www.gnu.org/licenses/>. 00017 ** 00018 ** See http://www.geopsy.org for more information. 00019 ** 00020 ** Created: 2009-08-19 00021 ** Authors: 00022 ** Marc Wathelet 00023 ** Marc Wathelet (LGIT, Grenoble, France) 00024 ** 00025 ***************************************************************************/ 00026 00027 #ifndef EVENTLOOP_H 00028 #define EVENTLOOP_H 00029 00030 #include <vector> 00031 #include <list> 00032 #include <queue> 00033 00034 #include "GpCoreToolsDLLExport.h" 00035 #include "Timer.h" 00036 00037 namespace GpCoreTools { 00038 00039 class Event; 00040 class Stream; 00041 class EventStream; 00042 00043 class GPCORETOOLS_EXPORT EventLoop 00044 { 00045 public: 00046 EventLoop(); 00047 ~EventLoop(); 00048 00049 void addEvent(Event * event) {_events.push(event);} 00050 void addStream(Stream * s) {_streams.push_back(s);} 00051 Timer::QueueItem * addTimer(Timer * t); 00052 void terminate(); 00053 bool isTerminated() const {return _terminate;} 00054 void exec(); 00055 00056 static EventLoop * instance(); 00057 static EventLoop * mainInstance() {return _mainLoop;} 00058 private: 00059 void addTimer(Timer::QueueItem * tq); 00060 00061 std::vector<Stream *> _streams; 00062 std::list<Timer::QueueItem *> _timers; 00063 std::queue<Event *> _events; 00064 EventStream * _eventStream; 00065 bool _terminate; 00066 static EventLoop * _mainLoop; 00067 }; 00068 00069 } // namespace GpCoreTools 00070 00071 #endif // EVENTLOOP_H
