1 // File: Events_Loop.hxx
2 // Created: Thu Mar 13 2014
3 // Author: Mikhail PONIKAROV
5 #include <Events_Loop.h>
6 #include <Events_MessageGroup.h>
13 Events_Loop* Events_Loop::loop()
15 // initialized on initialization of the application
16 static Events_Loop MAIN_LOOP;
20 Events_ID Events_Loop::eventByName(const char* theName)
22 ///! All events created in this session, uniquely identified by the text and char pointer
23 static map<string, char*> CREATED_EVENTS;
25 string aName(theName);
26 map<string, char*>::iterator aFound = CREATED_EVENTS.find(aName);
27 if (aFound == CREATED_EVENTS.end()) { //not created yet
29 aResult = _strdup(theName); // copy to make unique internal pointer
31 aResult = strdup(theName); // copy to make unique internal pointer
33 CREATED_EVENTS[aName] = aResult;
35 aResult = aFound->second;
37 return Events_ID(aResult);
40 void Events_Loop::send(const std::shared_ptr<Events_Message>& theMessage, bool isGroup)
42 if (myImmediateListeners.find(theMessage->eventID().eventText()) != myImmediateListeners.end()) {
43 myImmediateListeners[theMessage->eventID().eventText()]->processEvent(theMessage);
45 // if it is grouped message, just accumulate it
46 if (isGroup && myFlushed.find(theMessage->eventID().myID) == myFlushed.end()) {
47 std::shared_ptr<Events_MessageGroup> aGroup =
48 std::dynamic_pointer_cast<Events_MessageGroup>(theMessage);
50 std::map<char*, std::shared_ptr<Events_Message> >::iterator aMyGroup = myGroups.find(
51 aGroup->eventID().eventText());
52 if (aMyGroup == myGroups.end()) { // create a new group of messages for accumulation
53 myGroups[aGroup->eventID().eventText()] = aGroup->newEmpty();
54 aMyGroup = myGroups.find(aGroup->eventID().eventText());
56 std::shared_ptr<Events_MessageGroup> aStored =
57 std::dynamic_pointer_cast<Events_MessageGroup>(aMyGroup->second);
58 aStored->Join(aGroup);
63 // TODO: make it in thread and with usage of semaphores
65 map<char*, map<void*, list<Events_Listener*> > >::iterator aFindID = myListeners.find(
66 theMessage->eventID().eventText());
67 if (aFindID != myListeners.end()) {
68 map<void*, list<Events_Listener*> >::iterator aFindSender = aFindID->second.find(
69 theMessage->sender());
70 if (aFindSender != aFindID->second.end()) {
71 list<Events_Listener*>& aListeners = aFindSender->second;
72 for (list<Events_Listener*>::iterator aL = aListeners.begin(); aL != aListeners.end(); aL++)
73 (*aL)->processEvent(theMessage);
75 if (theMessage->sender()) { // also call for NULL senders registered
76 aFindSender = aFindID->second.find(NULL);
77 if (aFindSender != aFindID->second.end()) {
78 list<Events_Listener*>& aListeners = aFindSender->second;
79 for (list<Events_Listener*>::iterator aL = aListeners.begin(); aL != aListeners.end(); aL++)
80 (*aL)->processEvent(theMessage);
86 void Events_Loop::registerListener(Events_Listener* theListener, const Events_ID theID,
87 void* theSender, bool theImmediate)
89 if (theImmediate) { // just register as an immediate
90 myImmediateListeners[theID.eventText()] = theListener;
93 map<char*, map<void*, list<Events_Listener*> > >::iterator aFindID = myListeners.find(
95 if (aFindID == myListeners.end()) { // create container associated with ID
96 myListeners[theID.eventText()] = map<void*, list<Events_Listener*> >();
97 aFindID = myListeners.find(theID.eventText());
100 map<void*, list<Events_Listener*> >::iterator aFindSender = aFindID->second.find(theSender);
101 if (aFindSender == aFindID->second.end()) { // create container associated with sender
102 aFindID->second[theSender] = list<Events_Listener*>();
103 aFindSender = aFindID->second.find(theSender);
105 // check that listener was not registered wit hsuch parameters before
106 list<Events_Listener*>& aListeners = aFindSender->second;
107 for (list<Events_Listener*>::iterator aL = aListeners.begin(); aL != aListeners.end(); aL++)
108 if (*aL == theListener)
109 return; // avoid duplicates
111 aListeners.push_back(theListener);
114 void Events_Loop::flush(const Events_ID& theID)
118 std::map<char*, std::shared_ptr<Events_Message>>::iterator aMyGroup =
119 myGroups.find(theID.eventText());
120 if (aMyGroup != myGroups.end()) { // really sends
121 myFlushed.insert(theID.myID);
122 std::shared_ptr<Events_Message> aGroup = aMyGroup->second;
123 myGroups.erase(aMyGroup);
125 myFlushed.erase(myFlushed.find(theID.myID));
129 void Events_Loop::activateFlushes(const bool theActivate)
131 myFlushActive = theActivate;
134 void Events_Loop::clear(const Events_ID& theID)
136 std::map<char*, std::shared_ptr<Events_Message>>::iterator aMyGroup =
137 myGroups.find(theID.eventText());
138 if (aMyGroup != myGroups.end()) { // really sends
139 myGroups.erase(aMyGroup);
143 void Events_Loop::autoFlush(const Events_ID& theID, const bool theAuto)
146 myFlushed.insert(theID.myID);
148 myFlushed.erase(myFlushed.find(theID.myID));