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/**************************************************************************\
*
* This file is part of the Coin 3D visualization library.
* Copyright (C) by Kongsberg Oil & Gas Technologies.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* ("GPL") version 2 as published by the Free Software Foundation.
* See the file LICENSE.GPL at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using Coin with software that can not be combined with the GNU
* GPL, and for taking advantage of the additional benefits of our
* support services, please contact Kongsberg Oil & Gas Technologies
* about acquiring a Coin Professional Edition License.
*
* See http://www.coin3d.org/ for more information.
*
* Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
* http://www.sim.no/ sales@sim.no coin-support@coin3d.org
*
\**************************************************************************/
/*!
\class SoNotList SoNotification.h Inventor/misc/SoNotification.h
\brief The SoNotList class is a list of SoNotRec notification records.
\ingroup general
*/
#include <Inventor/misc/SoNotification.h>
#include <Inventor/misc/SoNotRec.h>
#include <Inventor/errors/SoDebugError.h>
#include <Inventor/nodes/SoNode.h>
#include <Inventor/SbName.h>
#include <assert.h>
#include <time.h>
/*!
Initialize list.
*/
SoNotList::SoNotList(void)
{
this->head = this->tail = NULL;
this->firstnoderec = NULL;
this->lastfield = NULL;
this->lastengine = NULL;
// this is used in SoNode::notify() to stop a notification
// when a node has already been notified.
this->stamp = SoNode::getNextNodeId();
}
/*!
Copy constructor. Does a bitwise copy of the \a nl object (no
duplication of list elements).
*/
SoNotList::SoNotList(const SoNotList * nl)
{
*this = *nl;
}
/*!
Append \a rec notification source to the list.
*/
void
SoNotList::append(SoNotRec * const rec)
{
#if COIN_DEBUG && 0 // debug
if (rec->getBase()) {
SoDebugError::postInfo("SoNotList::append", "%p - %p (base: %p %s \"%s\")",
this, rec, rec->getBase(),
rec->getBase()->getTypeId().getName().getString(),
rec->getBase()->getName().getString());
}
else {
SoDebugError::postInfo("SoNotList::append", "%p - %p (base is NULL)",
this, rec);
}
#endif // debug
// Link into list.
rec->setPrevious(this->tail);
this->tail = rec;
if (!this->head) this->head = rec;
if (!this->firstnoderec && rec->getBase() && rec->getBase()->isOfType(SoNode::getClassTypeId()))
this->firstnoderec = rec;
}
/*!
Append \a rec notification source to the list, setting \a field as
the last field having been influenced by the notification process.
*/
void
SoNotList::append(SoNotRec * const rec, SoField * const field)
{
#if COIN_DEBUG && 0 // debug
SoDebugError::postInfo("SoNotList::append", "field %p", field);
#endif // debug
assert(field);
this->lastfield = field;
this->append(rec);
}
/*!
Append \a rec notification source to the list, setting \a engineout
as the last engine output field having been influenced by the
notification process.
*/
void
SoNotList::append(SoNotRec * const rec, SoEngineOutput * const engineout)
{
assert(engineout);
this->lastengine = engineout;
this->append(rec);
}
/*!
Set the \a type of the last notification record in the list.
*/
void
SoNotList::setLastType(const SoNotRec::Type type)
{
assert(this->tail);
this->tail->setType(type);
switch (type) {
case SoNotRec::FIELD:
case SoNotRec::ENGINE:
this->firstnoderec = NULL;
default:
break;
}
}
/*!
Returns the first record in the list.
*/
SoNotRec *
SoNotList::getFirstRec(void) const
{
return this->head;
}
/*!
Returns the last record in the list.
*/
SoNotRec *
SoNotList::getLastRec(void) const
{
return this->tail;
}
/*!
Returns the first record in the list which is derived from SoBase.
*/
SoNotRec *
SoNotList::getFirstRecAtNode(void) const
{
return this->firstnoderec;
}
/*!
Returns the last field touched by notification.
*/
SoField *
SoNotList::getLastField(void) const
{
return this->lastfield;
}
/*!
Returns the last engine output field touched by notification.
*/
SoEngineOutput *
SoNotList::getLastEngineOutput(void) const
{
return this->lastengine;
}
/*!
Returns the time stamp when the notification started.
*/
uint32_t
SoNotList::getTimeStamp(void) const
{
return this->stamp;
}
/*!
Dump contents of list from tail record and backwards. Only available
if compiled with debug information on.
*/
void
SoNotList::print(FILE * const file) const
{
#if COIN_DEBUG
(void)fprintf(file, "SoNotList: %p\n", this);
const SoNotRec * ptr = this->tail;
while (ptr) {
ptr->print(file);
ptr = ptr->getPrevious();
}
const SoBase * n = this->getFirstRecAtNode()->getBase();
const SoField * f = this->getLastField();
SbName fname("");
if (n && n->isOfType(SoNode::getClassTypeId()) && f) {
(void)((SoNode *)n)->getFieldName(f, fname);
}
(void)fprintf(file, "\tfirstAtNode = %p, lastField = %p (\"%s\")\n",
this->getFirstRecAtNode(),
this->getLastField(), fname.getString());
#endif // COIN_DEBUG
}
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