00001 /*---------------------------------------------------------------------------*\ 00002 * OpenSG * 00003 * * 00004 * * 00005 * Copyright (C) 2000-2002 by the OpenSG Forum * 00006 * * 00007 * www.opensg.org * 00008 * * 00009 * contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de * 00010 * * 00011 \*---------------------------------------------------------------------------*/ 00012 /*---------------------------------------------------------------------------*\ 00013 * License * 00014 * * 00015 * This library is free software; you can redistribute it and/or modify it * 00016 * under the terms of the GNU Library General Public License as published * 00017 * by the Free Software Foundation, version 2. * 00018 * * 00019 * This library is distributed in the hope that it will be useful, but * 00020 * WITHOUT ANY WARRANTY; without even the implied warranty of * 00021 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00022 * Library General Public License for more details. * 00023 * * 00024 * You should have received a copy of the GNU Library General Public * 00025 * License along with this library; if not, write to the Free Software * 00026 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * 00027 * * 00028 \*---------------------------------------------------------------------------*/ 00029 /*---------------------------------------------------------------------------*\ 00030 * Changes * 00031 * * 00032 * * 00033 * * 00034 * * 00035 * * 00036 * * 00037 \*---------------------------------------------------------------------------*/ 00038 00039 #ifndef _OSGPROXYGROUP_H_ 00040 #define _OSGPROXYGROUP_H_ 00041 #ifdef __sgi 00042 #pragma once 00043 #endif 00044 00045 #include <queue> 00046 00047 #include <OSGConfig.h> 00048 #include <OSGProxyGroupBase.h> 00049 #include <OSGAction.h> 00050 #include <OSGLock.h> 00051 00052 OSG_BEGIN_NAMESPACE 00053 00056 00057 class OSG_SYSTEMLIB_DLLMAPPING ProxyGroup : public ProxyGroupBase 00058 { 00059 /*========================== PUBLIC =================================*/ 00060 public: 00061 00062 enum { NOT_LOADED = 0, 00063 LOAD_THREAD_RUNNING = 1, 00064 LOAD_THREAD_FINISHED = 2, 00065 LOADED = 4, 00066 LOAD_ERROR = 100 }; 00067 00068 /*---------------------------------------------------------------------*/ 00072 virtual void changed(BitVector whichField, 00073 UInt32 origin ); 00074 00076 /*---------------------------------------------------------------------*/ 00080 virtual void dump( UInt32 uiIndent = 0, 00081 const BitVector bvFlags = 0) const; 00082 00084 /*========================= PROTECTED ===============================*/ 00085 protected: 00086 00087 typedef ProxyGroupBase Inherited; 00088 00089 /*---------------------------------------------------------------------*/ 00093 ProxyGroup(void); 00094 ProxyGroup(const ProxyGroup &source); 00095 00097 /*---------------------------------------------------------------------*/ 00101 virtual ~ProxyGroup(void); 00102 00104 /*---------------------------------------------------------------------*/ 00108 Action::ResultE draw( Action* action ); 00109 00111 /*---------------------------------------------------------------------*/ 00115 void adjustVolume (Volume & volume); 00116 00118 /*---------------------------------------------------------------------*/ 00122 void startLoading (void); 00123 00125 /*========================== PRIVATE ================================*/ 00126 private: 00127 00128 friend class FieldContainer; 00129 friend class ProxyGroupBase; 00130 00131 /*---------------------------------------------------------------------*/ 00135 NodePtr _loadedRoot; 00136 00138 /*---------------------------------------------------------------------*/ 00142 static void initMethod( void ); 00143 00146 /*---------------------------------------------------------------------*/ 00150 static ThreadBase *_loadThread; 00151 static std::queue<ProxyGroupPtr> _loadQueue; 00152 static Lock *_loadLock; 00153 00154 static void loadProc(void *); 00155 00157 /*---------------------------------------------------------------------*/ 00158 00160 void operator =(const ProxyGroup &source); 00161 }; 00162 00163 OSG_END_NAMESPACE 00164 00165 #include <OSGProxyGroupBase.inl> 00166 #include <OSGProxyGroup.inl> 00167 00168 #define OSGPROXYGROUP_HEADER_CVSID "@(#)$Id: $" 00169 00170 #endif /* _OSGPROXYGROUP_H_ */
1.5.5