-// File: Events_Loop.hxx
-// Created: Thu Mar 13 2014
-// Author: Mikhail PONIKAROV
+// Copyright (C) 2014-2024 CEA, EDF
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
#include <Events_Loop.h>
#include <Events_MessageGroup.h>
#include <string>
#include <cstring>
-using namespace std;
-
Events_Loop* Events_Loop::loop()
{
// initialized on initialization of the application
Events_ID Events_Loop::eventByName(const char* theName)
{
///! All events created in this session, uniquely identified by the text and char pointer
- static map<string, char*> CREATED_EVENTS;
+ static std::map<std::string, char*> CREATED_EVENTS;
char* aResult;
- string aName(theName);
- map<string, char*>::iterator aFound = CREATED_EVENTS.find(aName);
+ std::string aName(theName);
+ std::map<std::string, char*>::iterator aFound = CREATED_EVENTS.find(aName);
if (aFound == CREATED_EVENTS.end()) { //not created yet
#ifdef WIN32
aResult = _strdup(theName); // copy to make unique internal pointer
return Events_ID(aResult);
}
-void Events_Loop::send(const boost::shared_ptr<Events_Message>& theMessage, bool isGroup)
+void Events_Loop::sendProcessEvent(const std::shared_ptr<Events_Message>& theMessage,
+ std::list<Events_Listener*>& theListeners, const bool theFlushedNow)
+{
+ std::list<Events_Listener*>::iterator aL = theListeners.begin();
+ for (; aL != theListeners.end(); aL++) {
+ if (theFlushedNow && (*aL)->groupMessages()) {
+ (*aL)->groupWhileFlush(theMessage);
+ } else {
+ (*aL)->processEvent(theMessage);
+ }
+ }
+}
+
+void Events_Loop::send(const std::shared_ptr<Events_Message>& theMessage, bool isGroup)
{
if (myImmediateListeners.find(theMessage->eventID().eventText()) != myImmediateListeners.end()) {
myImmediateListeners[theMessage->eventID().eventText()]->processEvent(theMessage);
}
// if it is grouped message, just accumulate it
- if (isGroup && myFlushed.find(theMessage->eventID().myID) == myFlushed.end()) {
- boost::shared_ptr<Events_MessageGroup> aGroup =
- boost::dynamic_pointer_cast<Events_MessageGroup>(theMessage);
+ bool isFlushedNow = myFlushed.find(theMessage->eventID().myID) != myFlushed.end();
+ if (isGroup && !isFlushedNow) {
+ std::shared_ptr<Events_MessageGroup> aGroup =
+ std::dynamic_pointer_cast<Events_MessageGroup>(theMessage);
if (aGroup) {
- std::map<char*, boost::shared_ptr<Events_Message> >::iterator aMyGroup = myGroups.find(
+ std::map<char*, std::shared_ptr<Events_Message> >::iterator aMyGroup = myGroups.find(
aGroup->eventID().eventText());
if (aMyGroup == myGroups.end()) { // create a new group of messages for accumulation
myGroups[aGroup->eventID().eventText()] = aGroup->newEmpty();
aMyGroup = myGroups.find(aGroup->eventID().eventText());
}
- boost::shared_ptr<Events_MessageGroup> aStored =
- boost::dynamic_pointer_cast<Events_MessageGroup>(aMyGroup->second);
+ std::shared_ptr<Events_MessageGroup> aStored =
+ std::dynamic_pointer_cast<Events_MessageGroup>(aMyGroup->second);
aStored->Join(aGroup);
return;
}
}
-
- // TODO: make it in thread and with usage of semaphores
-
- map<char*, map<void*, list<Events_Listener*> > >::iterator aFindID = myListeners.find(
- theMessage->eventID().eventText());
+ // send
+ std::map<char*, std::map<void*, std::list<Events_Listener*> > >::iterator aFindID =
+ myListeners.find(theMessage->eventID().eventText());
if (aFindID != myListeners.end()) {
- map<void*, list<Events_Listener*> >::iterator aFindSender = aFindID->second.find(
+ std::map<void*, std::list<Events_Listener*> >::iterator aFindSender = aFindID->second.find(
theMessage->sender());
if (aFindSender != aFindID->second.end()) {
- list<Events_Listener*>& aListeners = aFindSender->second;
- for (list<Events_Listener*>::iterator aL = aListeners.begin(); aL != aListeners.end(); aL++)
- (*aL)->processEvent(theMessage);
+ sendProcessEvent(theMessage, aFindSender->second, isFlushedNow && isGroup);
}
if (theMessage->sender()) { // also call for NULL senders registered
aFindSender = aFindID->second.find(NULL);
if (aFindSender != aFindID->second.end()) {
- list<Events_Listener*>& aListeners = aFindSender->second;
- for (list<Events_Listener*>::iterator aL = aListeners.begin(); aL != aListeners.end(); aL++)
- (*aL)->processEvent(theMessage);
+ sendProcessEvent(theMessage, aFindSender->second, isFlushedNow && isGroup);
}
}
}
myImmediateListeners[theID.eventText()] = theListener;
return;
}
- map<char*, map<void*, list<Events_Listener*> > >::iterator aFindID = myListeners.find(
- theID.eventText());
+ std::map<char*, std::map<void*, std::list<Events_Listener*> > >::iterator aFindID =
+ myListeners.find(theID.eventText());
if (aFindID == myListeners.end()) { // create container associated with ID
- myListeners[theID.eventText()] = map<void*, list<Events_Listener*> >();
+ myListeners[theID.eventText()] = std::map<void*, std::list<Events_Listener*> >();
aFindID = myListeners.find(theID.eventText());
}
- map<void*, list<Events_Listener*> >::iterator aFindSender = aFindID->second.find(theSender);
+ std::map<void*, std::list<Events_Listener*> >::iterator aFindSender =
+ aFindID->second.find(theSender);
if (aFindSender == aFindID->second.end()) { // create container associated with sender
- aFindID->second[theSender] = list<Events_Listener*>();
+ aFindID->second[theSender] = std::list<Events_Listener*>();
aFindSender = aFindID->second.find(theSender);
}
- // check that listener was not registered wit hsuch parameters before
- list<Events_Listener*>& aListeners = aFindSender->second;
- for (list<Events_Listener*>::iterator aL = aListeners.begin(); aL != aListeners.end(); aL++)
+ // check that listener was not registered with such parameters before
+ std::list<Events_Listener*>& aListeners = aFindSender->second;
+ for (std::list<Events_Listener*>::iterator aL = aListeners.begin(); aL != aListeners.end(); aL++)
if (*aL == theListener)
return; // avoid duplicates
aListeners.push_back(theListener);
}
+void Events_Loop::removeListener(Events_Listener* theListener)
+{
+ // remove the listener in myListeners map
+ std::map<char*, std::map<void*, std::list<Events_Listener*> > >::const_reverse_iterator
+ anIt = myListeners.rbegin();
+ while(anIt != myListeners.rend()) {
+ std::map<void*, std::list<Events_Listener*> > aLMap = anIt->second;
+ std::map<void*, std::list<Events_Listener*> >::const_reverse_iterator aLIt = aLMap.rbegin();
+ while (aLIt != aLMap.rend()) {
+ std::list<Events_Listener*> aListeners = aLIt->second;
+ std::list<Events_Listener*>::const_reverse_iterator aLsIt = aListeners.rbegin();
+ for (; aLsIt != aListeners.rend(); aLsIt++) {
+ if (*aLsIt == theListener) {
+ aListeners.remove(theListener);
+ aLMap[aLIt->first] = aListeners;
+ myListeners[anIt->first] = aLMap;
+ break;
+ }
+ }
+ if (aListeners.empty()) {
+ aLMap.erase(aLIt->first);
+ myListeners[anIt->first] = aLMap;
+ if (aLMap.empty())
+ break; // avoid incrementation of the iterator if the container is empty
+ }
+ aLIt++;
+ }
+ if (anIt->second.empty()) {
+ myListeners.erase(anIt->first);
+ if (myListeners.empty())
+ break; // avoid incrementation of the iterator if the container is empty
+ }
+ anIt++;
+ }
+
+ // remove the listener in myImmediateListeners map
+ std::map<char*, Events_Listener*>::const_reverse_iterator anImIt = myImmediateListeners.rbegin();
+ while(anImIt != myImmediateListeners.rend()) {
+ if (anImIt->second == theListener) {
+ myImmediateListeners.erase(anImIt->first);
+ if (myImmediateListeners.empty())
+ break; // avoid incrementation of the iterator if the container is empty
+ }
+ anImIt++;
+ }
+}
+
void Events_Loop::flush(const Events_ID& theID)
{
if (!myFlushActive)
return;
- std::map<char*, boost::shared_ptr<Events_Message>>::iterator aMyGroup =
- myGroups.find(theID.eventText());
- if (aMyGroup != myGroups.end()) { // really sends
- myFlushed.insert(theID.myID);
- boost::shared_ptr<Events_Message> aGroup = aMyGroup->second;
+ bool hasEventsToFlush = !myGroups.empty();
+ std::map<char*, std::shared_ptr<Events_Message> >::iterator aMyGroup;
+ for(aMyGroup = myGroups.find(theID.eventText());
+ aMyGroup != myGroups.end(); aMyGroup = myGroups.find(theID.eventText()))
+ { // really sends
+ bool aWasFlushed = myFlushed.find(theID.myID) != myFlushed.end();
+ if (!aWasFlushed)
+ myFlushed.insert(theID.myID);
+ std::shared_ptr<Events_Message> aGroup = aMyGroup->second;
myGroups.erase(aMyGroup);
send(aGroup, false);
- myFlushed.erase(myFlushed.find(theID.myID));
+
+ if (!aWasFlushed) {
+ // TODO: Stabilization fix. Check later.
+ if(myFlushed.find(theID.myID) != myFlushed.end()) {
+ myFlushed.erase(myFlushed.find(theID.myID));
+ }
+#ifdef _DEBUG
+ else {
+ bool aProblem = true;
+ }
+#endif
+ }
+ // send accumulated messages to "groupListeners"
+ std::map<char*, std::map<void*, std::list<Events_Listener*> > >::iterator aFindID =
+ myListeners.find(theID.eventText());
+ if (aFindID != myListeners.end()) {
+ std::map<void*, std::list<Events_Listener*> >::iterator aFindSender =
+ aFindID->second.begin();
+ for(; aFindSender != aFindID->second.end(); aFindSender++) {
+ std::list<Events_Listener*>::iterator aListener = aFindSender->second.begin();
+ for(; aListener != aFindSender->second.end(); aListener++) {
+ if ((*aListener)->groupMessages()) {
+ (*aListener)->flushGrouped(theID);
+ }
+ }
+ }
+ }
+ }
+ if (hasEventsToFlush && myGroups.empty() && myFlushed.empty()) {
+ // no more messages left in the queue, so, finalize the sketch processing
+ static Events_ID anID = Events_Loop::eventByName("SketchPrepared");
+ std::shared_ptr<Events_Message> aMsg(new Events_Message(anID, this));
+ Events_Loop::loop()->send(aMsg, false);
}
}
-void Events_Loop::activateFlushes(const bool theActivate)
+void Events_Loop::eraseMessages(const Events_ID& theID)
{
+ std::map<char*, std::shared_ptr<Events_Message> >::iterator aMyGroup =
+ myGroups.find(theID.eventText());
+ if (aMyGroup != myGroups.end()) {
+ myGroups.erase(aMyGroup);
+ }
+}
+
+
+bool Events_Loop::activateFlushes(const bool theActivate)
+{
+ bool isActive = myFlushActive;
myFlushActive = theActivate;
+ return isActive;
}
void Events_Loop::clear(const Events_ID& theID)
{
- std::map<char*, boost::shared_ptr<Events_Message>>::iterator aMyGroup =
+ std::map<char*, std::shared_ptr<Events_Message>>::iterator aMyGroup =
myGroups.find(theID.eventText());
if (aMyGroup != myGroups.end()) { // really sends
myGroups.erase(aMyGroup);
}
}
-void Events_Loop::autoFlush(const Events_ID& theID, const bool theAuto)
+bool Events_Loop::isFlushed(const Events_ID& theID)
{
- if (theAuto)
+ return myFlushed.find(theID.myID) != myFlushed.end();
+}
+
+void Events_Loop::setFlushed(const Events_ID& theID, const bool theValue)
+{
+ if (theValue)
myFlushed.insert(theID.myID);
else
myFlushed.erase(myFlushed.find(theID.myID));
}
+
+bool Events_Loop::hasGrouppedEvent(const Events_ID& theID)
+{
+ return myGroups.find(theID.myID) != myGroups.end();
+}
\ No newline at end of file
