Files
fishtanks/src/EventBroker.cpp
T
2014-05-23 23:41:34 +02:00

69 lines
1.4 KiB
C++

#include "PrecompiledHeader.h"
#include "EventBroker.h"
#include "Events/BindKey.h"
BaseEventRelay::~BaseEventRelay()
{
if (m_Broker != nullptr)
{
m_Broker->Unsubscribe(*this);
}
}
void EventBroker::Unsubscribe(BaseEventRelay &relay) // ?
{
auto contextIt = m_ContextRelays.find(relay.m_ContextTypeName);
if (contextIt == m_ContextRelays.end())
return;
auto eventRelays = contextIt->second;
auto itpair = eventRelays.equal_range(relay.m_EventTypeName);
for (auto it = itpair.first; it != itpair.second; ++it)
{
if (it->second == &relay)
{
eventRelays.erase(it);
break;
}
}
}
void EventBroker::Subscribe(BaseEventRelay &relay)
{
relay.m_Broker = this;
m_ContextRelays[relay.m_ContextTypeName].insert(std::make_pair(relay.m_EventTypeName, &relay));
}
int EventBroker::Process(std::string contextTypeName)
{
auto it = m_ContextRelays.find(contextTypeName);
if (it == m_ContextRelays.end())
return 0;
EventRelays_t &relays = it->second;
int eventsProcessed = 0;
for (auto &pair : *m_EventQueueRead)
{
std::string &eventTypeName = pair.first;
std::shared_ptr<Event> event = pair.second;
auto itpair = relays.equal_range(eventTypeName);
for (auto it2 = itpair.first; it2 != itpair.second; ++it2)
{
auto relay = it2->second;
relay->Receive(event);
eventsProcessed++;
}
}
return eventsProcessed;
}
void EventBroker::Clear()
{
std::swap(m_EventQueueRead, m_EventQueueWrite);
m_EventQueueWrite->clear();
}