// *****************************************************************************
void cEventManager::VRemoveListener(const EventListenerCallBackFn & fnListener,
const EventType & eventType)
{
bool success = false;
Log_Write(ILogger::LT_EVENT, 2, "Attempting to remove delegate function from event type " + eventType.GetString());
EventListenerList & eventListeners = m_eventListeners[eventType.GetHash()];
auto findIt = m_eventListeners.find(eventType.GetHash());
if (findIt != m_eventListeners.end())
{
EventListenerList & listeners = findIt->second;
for (auto it = listeners.begin(); it != listeners.end(); it++)
{
if (fnListener == (*it))
{
listeners.erase(it);
Log_Write(ILogger::LT_EVENT, 2, "Successfully removed delegate for event type " + eventType.GetString());
return;
}
}
}
if(!success)
{
Log_Write(ILogger::LT_WARNING, 2, "Attempting to double-register a listener for event " + eventType.GetString());
}
}
// *****************************************************************************
void cEventManager::VAbortEvent(const EventType & eventType, const bool allEVents)
{
EventListenerMap::iterator findIt = m_eventListeners.find(eventType.GetHash());
if (findIt != m_eventListeners.end())
{
EventQueue& eventQueue = m_queues[m_activeQueue];
auto it = eventQueue.begin();
while (it != eventQueue.end())
{
// Removing an item from the queue will invalidate the iterator, so have it point to the next member. All
// work inside this loop will be done using thisIt.
auto thisIt = it;
++it;
if ((*thisIt)->VGetEventID() == eventType.GetHash())
{
eventQueue.erase(thisIt);
if (!allEVents)
break;
}
}
}
}
// *****************************************************************************
void cEventManager::VAddListener(const EventListenerCallBackFn & fnListener,
const EventType & eventType)
{
Log_Write(ILogger::LT_EVENT, 2, "Attempting to add listener for event " + eventType.GetString());
EventListenerList & eventListeners = m_eventListeners[eventType.GetHash()];
for (auto it = eventListeners.begin(); it != eventListeners.end(); it++)
{
if (fnListener.target_type() == (*it).target_type())
{
Log_Write(ILogger::LT_WARNING, 2, "Attempting to double-register a listener for event " + eventType.GetString());
return;
}
}
eventListeners.push_back(fnListener);
Log_Write(ILogger::LT_EVENT, 2, "Successfully added delegate for event type " + eventType.GetString());
}