00001 /* AbiSource Program Utilities 00002 * Copyright (C) 2001 Dom Lachowicz <dominicl@seas.upenn.edu> 00003 * 00004 * This program is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU General Public License 00006 * as published by the Free Software Foundation; either version 2 00007 * of the License, or (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with this program; if not, write to the Free Software 00016 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 00017 * 02110-1301 USA. 00018 */ 00019 00020 #ifndef UT_WORKER_H 00021 #define UT_WORKER_H 00022 00023 /* pre-emptive dismissal; ut_types.h is needed by just about everything, 00024 * so even if it's commented out in-file that's still a lot of work for 00025 * the preprocessor to do... 00026 */ 00027 #ifndef UT_TYPES_H 00028 #include "ut_types.h" 00029 #endif 00030 00031 class UT_Worker; 00032 00033 class GR_Graphics; 00034 00035 typedef void (*UT_WorkerCallback)(UT_Worker* pWorker); 00036 00042 class ABI_EXPORT UT_WorkerFactory 00043 { 00044 public: 00045 enum ConstructMode { 00046 NONE = 0x00, 00047 IDLE = 0x01, 00048 TIMER = 0x02 00049 }; 00050 00051 //CAN_USE_THREAD = 0x04 00052 00053 static UT_Worker * static_constructor ( UT_WorkerCallback cb, void * data, 00054 int wantMode, 00055 UT_WorkerFactory::ConstructMode & outMode ); 00056 00057 private: 00058 UT_WorkerFactory (); 00059 ~UT_WorkerFactory (); 00060 }; 00061 00066 class ABI_EXPORT UT_Worker 00067 { 00068 00069 public: 00070 virtual ~UT_Worker (); 00071 00072 virtual void stop(void) = 0; 00073 virtual void start(void) = 0; 00074 00075 virtual void fire(void); 00076 00077 UT_WorkerCallback getCallback() const; 00078 void* getInstanceData() const; 00079 00080 protected: 00081 00082 UT_Worker (); 00083 UT_Worker (UT_WorkerCallback cb, void * data); 00084 00085 void _setCallback(UT_WorkerCallback cb); 00086 void _setInstanceData(void * data); 00087 00088 private: 00089 UT_Worker (UT_Worker &); // no impl 00090 00091 void * m_pInstanceData; 00092 UT_WorkerCallback m_pCallback; 00093 00094 }; 00095 00096 #endif /* UT_WORKER_H */
1.7.1