Open Inventor Reference
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00001 /* 00002 * 00003 * Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved. 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 00007 * License as published by the Free Software Foundation; either 00008 * version 2.1 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 * Further, this software is distributed without any warranty that it is 00016 * free of the rightful claim of any third person regarding infringement 00017 * or the like. Any license provided herein, whether implied or 00018 * otherwise, applies only to this software file. Patent licenses, if 00019 * any, provided herein do not apply to combinations of this program with 00020 * other software, or any other product whatsoever. 00021 * 00022 * You should have received a copy of the GNU Lesser General Public 00023 * License along with this library; if not, write to the Free Software 00024 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00025 * 00026 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, 00027 * Mountain View, CA 94043, or: 00028 * 00029 * http://www.sgi.com 00030 * 00031 * For further information regarding this notice, see: 00032 * 00033 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ 00034 * 00035 */ 00036 00037 00038 /* 00039 * Copyright (C) 1990,91,92 Silicon Graphics, Inc. 00040 * 00041 _______________________________________________________________________ 00042 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00043 | 00044 | $Revision: 1.1.1.1 $ 00045 | 00046 | Description: 00047 | Definition of (internal) SoNotRec and SoNotList classes, which 00048 | handle notification propagation through instances of classes 00049 | derived from SoBase. 00050 | 00051 | Author(s) : Paul S. Strauss, Nick Thompson 00052 | 00053 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00054 _______________________________________________________________________ 00055 */ 00056 00057 #ifndef _SO_NOTIFICATION_ 00058 #define _SO_NOTIFICATION_ 00059 00060 #include <Inventor/SbBasic.h> 00061 00062 class SoBase; 00063 class SoField; 00064 00096 00097 SoINTERNAL class INVENTOR_API SoNotRec { 00098 00099 public: 00100 00106 enum Type { 00107 CONTAINER, 00108 PARENT, 00109 SENSOR, 00110 FIELD, 00111 ENGINE 00112 }; 00113 00115 SoNotRec(SoBase *b) { base = b; } 00116 00118 void setType(SoNotRec::Type t) { type = t; } 00119 00121 SoBase * getBase() const { return base; } 00122 SoNotRec::Type getType() const { return type; } 00123 const SoNotRec * getPrevious() const { return previous; } 00124 00126 void setPrevious(SoNotRec *prev) { previous = prev; } 00127 00129 void print(FILE *fp) const; 00130 00131 private: 00132 00133 SoBase *base; 00134 Type type; 00135 const SoNotRec *previous; 00136 }; 00137 00152 00153 SoINTERNAL class SoNotList { 00154 00155 public: 00157 SoNotList(); 00158 00160 SoNotList(const SoNotList *copyFrom) { *this = *copyFrom; } 00161 00163 void append(SoNotRec *rec); 00164 00167 void append(SoNotRec *rec, SoField *field); 00168 00170 void setLastType(SoNotRec::Type t) 00171 { 00172 last->setType(t); 00175 if (t == SoNotRec::FIELD || t == SoNotRec::ENGINE) 00176 firstAtNode = NULL; 00177 } 00178 00180 SoNotRec * getFirstRec() const { return first; } 00181 SoNotRec * getLastRec() const { return last; } 00182 00187 SoNotRec * getFirstRecAtNode() const { return firstAtNode; } 00188 00191 SoField * getLastField() const { return lastField; } 00192 00195 uint32_t getTimeStamp() const { return timeStamp; } 00196 00198 void print(FILE *fp) const; 00199 00200 private: 00201 SoNotRec *first, *last; 00202 SoNotRec *firstAtNode; 00203 SoField *lastField; 00204 uint32_t timeStamp; 00205 }; 00206 00207 #endif /* _SO_NOTIFICATION_ */