public EventInfo(EventBus bus, object source, EventCategoryToken categoryToken, string categoryName, string type, object arguments)
{
Bus = bus;
Source = source;
Category = categoryToken;
CategoryName = categoryName;
Type = type;
Arguments = arguments;
_IsConsumed = false;
}
private EventCategoryToken GetCategory(string name)
{
EventCategoryToken result;
if (!_Categories.TryGetValue(name, out result))
{
result = new EventCategoryToken(name);
_Categories[name] = result;
}
return(result);
}
protected void BroadcastToSubscribers(object source, string type, object arguments)
{
EventInfo info = null;
EventSubscriberList subscribers;
EventFilter filter;
EventCategoryToken categoryToken = null;
string categoryName = null;
IEventSource iSource = source as IEventSource;
if (iSource != null)
{
categoryName = iSource.CategoryName;
categoryToken = GetCategory(categoryName);
}
for (int i = 0; i < 6; i++)
{
string typeFilter = (i & 1) == 1 ? type : AnyType;
object sourceFilter;
switch (i)
{
case 0:
case 1:
sourceFilter = AnySource;
break;
case 2:
case 3:
sourceFilter = categoryToken;
break;
default:
sourceFilter = source;
break;
}
if ((sourceFilter == null) || (typeFilter == null))
{
continue;
}
CreateFilter(
sourceFilter,
typeFilter,
out filter,
false
);
if (!_Subscribers.TryGetValue(filter, out subscribers))
{
continue;
}
int count = subscribers.Count;
if (count <= 0)
{
continue;
}
if (info == null)
{
info = new EventInfo(this, source, categoryToken, categoryName, type, arguments);
}
using (var b = BufferPool <EventSubscriber> .Allocate(count)) {
var temp = b.Data;
subscribers.CopyTo(temp);
for (int j = count - 1; j >= 0; j--)
{
temp[j](info);
if (info.IsConsumed)
{
return;
}
}
b.Clear();
}
}
}
