From f7decf41d8d0062901cd39c42a3669a80537c7df Mon Sep 17 00:00:00 2001
From: LaG1924 <12997935+LaG1924@users.noreply.github.com>
Date: Thu, 3 Aug 2017 20:03:59 +0500
Subject: 2017-08-03

---
 src/Event.cpp | 129 +++++++++++++++++++++++++++++++---------------------------
 1 file changed, 68 insertions(+), 61 deletions(-)

(limited to 'src/Event.cpp')

diff --git a/src/Event.cpp b/src/Event.cpp
index ff16178..19c93f2 100644
--- a/src/Event.cpp
+++ b/src/Event.cpp
@@ -1,100 +1,107 @@
 #include "Event.hpp"
 #include <easylogging++.h>
 
-std::queue <Event> EventAgregator::eventsToHandle;
+std::queue<Event> EventAgregator::eventsToHandle;
 std::mutex EventAgregator::queueMutex;
 bool EventAgregator::isStarted = false;
-std::vector<EventListener*> EventAgregator::listeners;
+std::vector<EventListener *> EventAgregator::listeners;
 std::mutex EventAgregator::listenersMutex;
 
 EventListener::EventListener() {
-    EventAgregator::RegisterListener(*this);
+	EventAgregator::RegisterListener(*this);
 }
 
 EventListener::~EventListener() {
-    EventAgregator::UnregisterListener(*this);
+	EventAgregator::UnregisterListener(*this);
 }
 
 void EventListener::PushEvent(Event event) {
-    eventsMutex.lock();
-    events.push(event);
-    eventsMutex.unlock();
+	eventsMutex.lock();
+	handlersMutex.lock();
+	if (handlers[event.type]) {
+		//LOG(ERROR) << "Listener notified about event " << int(event.type);
+		events.push(event);
+	}
+	handlersMutex.unlock();
+	eventsMutex.unlock();
 }
 
 bool EventListener::IsEventsQueueIsNotEmpty() {
-    eventsMutex.lock();
-    bool value = !events.empty();
-    eventsMutex.unlock();
-    return value;
+	eventsMutex.lock();
+	bool value = !events.empty();
+	eventsMutex.unlock();
+	return value;
 }
 
 
 void EventListener::RegisterHandler(EventType type, EventListener::HandlerFunc handler) {
+	handlersMutex.lock();
 	handlers[type] = handler;
+	handlersMutex.unlock();
 }
 
 void EventListener::HandleEvent() {
-    eventsMutex.lock();
-    if (events.empty()) {
-        eventsMutex.unlock();
-        return;
-    }
-    Event event = events.front();
-    events.pop();
-    eventsMutex.unlock();
-    auto function = handlers[event.type];
-    function(event.data);
+	eventsMutex.lock();
+	if (events.empty()) {
+		eventsMutex.unlock();
+		return;
+	}
+	Event event = events.front();
+	events.pop();
+	eventsMutex.unlock();
+	handlersMutex.lock();
+	auto function = handlers[event.type];
+	handlersMutex.unlock();
+	function(event.data);
 }
 
 
-
 void EventAgregator::RegisterListener(EventListener &listener) {
-    listenersMutex.lock();
-    LOG(WARNING)<<"Registered handler "<<&listener;
-    listeners.push_back(&listener);
-    listenersMutex.unlock();
+	listenersMutex.lock();
+	LOG(WARNING) << "Registered handler " << &listener;
+	listeners.push_back(&listener);
+	listenersMutex.unlock();
 }
 
 void EventAgregator::UnregisterListener(EventListener &listener) {
-    listenersMutex.lock();
-    LOG(WARNING)<<"Unregistered handler "<<&listener;
-    listeners.erase(std::find(listeners.begin(), listeners.end(), &listener));
-    listenersMutex.unlock();
+	listenersMutex.lock();
+	LOG(WARNING) << "Unregistered handler " << &listener;
+	listeners.erase(std::find(listeners.begin(), listeners.end(), &listener));
+	listenersMutex.unlock();
 }
 
 void EventAgregator::PushEvent(EventType type, EventData data) {
-    Event event;
-    event.type = type;
-    event.data = data;
-    eventsToHandle.push(event);
-    if (!isStarted) {
-        isStarted = true;
-        std::thread(&EventAgregator::EventHandlingLoop).detach();
-    }
+	Event event;
+	event.type = type;
+	event.data = data;
+	eventsToHandle.push(event);
+	if (!isStarted) {
+		isStarted = true;
+		std::thread(&EventAgregator::EventHandlingLoop).detach();
+	}
 }
 
 void EventAgregator::EventHandlingLoop() {
-    while (true) {
-        queueMutex.lock();
-        if (!eventsToHandle.empty()) {
-            auto queue = eventsToHandle;
-            while (!eventsToHandle.empty())
-                eventsToHandle.pop();
-            queueMutex.unlock();
-
-            while (!queue.empty()) {
-                auto event = queue.front();
-                listenersMutex.lock();
-                for (auto& listener : listeners) {
-                    LOG(ERROR)<<"Listener notified about event";
-                    listener->PushEvent(event);
-                }
-                listenersMutex.unlock();
-                queue.pop();
-            }
-
-            queueMutex.lock();
-        }
-        queueMutex.unlock();
-    }
+	while (true) {
+		queueMutex.lock();
+		if (!eventsToHandle.empty()) {
+			auto queue = eventsToHandle;
+			while (!eventsToHandle.empty())
+				eventsToHandle.pop();
+			queueMutex.unlock();
+
+			while (!queue.empty()) {
+				auto event = queue.front();
+				listenersMutex.lock();
+				for (auto &listener : listeners) {
+					listener->PushEvent(event);
+				}
+				listenersMutex.unlock();
+				queue.pop();
+			}
+
+			queueMutex.lock();
+		}
+		queueMutex.unlock();
+	}
 }
-- 
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