private EventCallbackList GetCallbackListForWriting()
{
bool flag = this.m_IsInvoking > 0;
EventCallbackList result;
if (flag)
{
bool flag2 = this.m_TemporaryCallbacks == null;
if (flag2)
{
bool flag3 = this.m_Callbacks != null;
if (flag3)
{
this.m_TemporaryCallbacks = EventCallbackRegistry.GetCallbackList(this.m_Callbacks);
}
else
{
this.m_TemporaryCallbacks = EventCallbackRegistry.GetCallbackList(null);
}
}
result = this.m_TemporaryCallbacks;
}
else
{
bool flag4 = this.m_Callbacks == null;
if (flag4)
{
this.m_Callbacks = EventCallbackRegistry.GetCallbackList(null);
}
result = this.m_Callbacks;
}
return(result);
}
public void InvokeCallbacks(EventBase evt)
{
bool flag = this.m_Callbacks == null;
if (!flag)
{
this.m_IsInvoking++;
for (int i = 0; i < this.m_Callbacks.Count; i++)
{
bool isImmediatePropagationStopped = evt.isImmediatePropagationStopped;
if (isImmediatePropagationStopped)
{
break;
}
this.m_Callbacks[i].Invoke(evt);
}
this.m_IsInvoking--;
bool flag2 = this.m_IsInvoking == 0;
if (flag2)
{
bool flag3 = this.m_TemporaryCallbacks != null;
if (flag3)
{
EventCallbackRegistry.ReleaseCallbackList(this.m_Callbacks);
this.m_Callbacks = EventCallbackRegistry.GetCallbackList(this.m_TemporaryCallbacks);
EventCallbackRegistry.ReleaseCallbackList(this.m_TemporaryCallbacks);
this.m_TemporaryCallbacks = null;
}
}
}
}