1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
#include "eventManager.h"
void EventManager::shutdown() { subscribers.clear(); }
void EventManager::subscribe(int eventType,
std::unique_ptr<IEventHandlerWrapper> && handler,
int eventId) {
if (eventId) {
std::unordered_map<
int, std::unordered_map<
int, std::vector<std::unique_ptr<IEventHandlerWrapper>>>>::
iterator subscribers
= subscribersByEventId.find(eventType);
if (subscribers != subscribersByEventId.end()) {
std::unordered_map<
int, std::vector<std::unique_ptr<IEventHandlerWrapper>>> &
handlersMap
= subscribers->second;
std::unordered_map<
int,
std::vector<std::unique_ptr<IEventHandlerWrapper>>>::iterator
handlers
= handlersMap.find(eventId);
if (handlers != handlersMap.end()) {
handlers->second.emplace_back(std::move(handler));
return;
}
}
subscribersByEventId[eventType][eventId].emplace_back(
std::move(handler));
} else {
auto & handlers = subscribers[eventType];
handlers.emplace_back(std::move(handler));
}
}
void EventManager::unsubscribe(int eventType, const std::string & handlerName,
int eventId) {
if (eventId) {
std::unordered_map<
int, std::unordered_map<
int, std::vector<std::unique_ptr<IEventHandlerWrapper>>>>::
iterator subscriberList
= subscribersByEventId.find(eventType);
if (subscriberList != subscribersByEventId.end()) {
std::unordered_map<
int, std::vector<std::unique_ptr<IEventHandlerWrapper>>> &
handlersMap
= subscriberList->second;
std::unordered_map<
int,
std::vector<std::unique_ptr<IEventHandlerWrapper>>>::iterator
handlers
= handlersMap.find(eventId);
if (handlers != handlersMap.end()) {
std::vector<std::unique_ptr<IEventHandlerWrapper>> & callbacks
= handlers->second;
for (std::vector<
std::unique_ptr<IEventHandlerWrapper>>::iterator it
= callbacks.begin();
it != callbacks.end(); ++it) {
if (it->get()->getType() == handlerName) {
it = callbacks.erase(it);
return;
}
}
}
}
} else {
std::unordered_map<
int, std::vector<std::unique_ptr<IEventHandlerWrapper>>>::iterator
handlersIt
= subscribers.find(eventType);
if (handlersIt != subscribers.end()) {
std::vector<std::unique_ptr<IEventHandlerWrapper>> & handlers
= handlersIt->second;
for (std::vector<std::unique_ptr<IEventHandlerWrapper>>::iterator it
= handlers.begin();
it != handlers.end(); ++it) {
if (it->get()->getType() == handlerName) {
it = handlers.erase(it);
return;
}
}
}
}
}
void EventManager::triggerEvent(const Event & event_, int eventId) {
if (eventId > 0) {
auto handlersIt
= subscribersByEventId[event_.getEventType()].find(eventId);
if (handlersIt != subscribersByEventId[event_.getEventType()].end()) {
std::vector<std::unique_ptr<IEventHandlerWrapper>> & callbacks
= handlersIt->second;
for (auto it = callbacks.begin(); it != callbacks.end();) {
(*it)->exec(event_);
if ((*it)->isDestroyOnSuccess()) {
it = callbacks.erase(it);
} else {
++it;
}
}
}
} else {
auto & handlers = subscribers[event_.getEventType()];
for (std::unique_ptr<IEventHandlerWrapper> & handler : handlers) {
handler->exec(event_);
}
}
}
void EventManager::queueEvent(std::unique_ptr<Event> && event_, int eventId) {
eventsQueue.emplace_back(std::move(event_), eventId);
}
void EventManager::dispatchEvents() {
for (std::vector<std::pair<std::unique_ptr<Event>, int>>::iterator eventIt
= eventsQueue.begin();
eventIt != eventsQueue.end();) {
if (!eventIt->first.get()->getHandled()) {
triggerEvent(*eventIt->first.get(), eventIt->second);
eventIt = eventsQueue.erase(eventIt);
} else {
++eventIt;
}
}
}
|