public Action Add(object sender, Action localDelegate, EventQueueMode mode = EventQueueMode.Synchronous)
{
var key = new EventHandlerKey(localDelegate, sender);
Action ourDelegate = () => OnRemoteInvoked(key, new object[0]);
return(AddInternal <Action>(key, mode, sender, localDelegate, ourDelegate));
}
// Add custom methods
public TDelegateType AddInternal <TDelegateType>(
EventHandlerKey key, EventQueueMode mode, object sender,
Delegate localDelegate, Delegate ourDelegate)
{
Assert.IsNotNull(localDelegate);
HandlerInfo handler;
if (_handlers.TryGetValue(key, out handler))
{
Assert.IsEqual(mode, handler.Mode, "Cannot use the same event handler method with multiple different EventQueueMode's");
handler.UsageCount++;
return((TDelegateType)(object)handler.OurDelegate);
}
_handlers.Add(key,
new HandlerInfo()
{
UsageCount = 1,
Key = key,
Mode = mode,
OurDelegate = ourDelegate,
DelegateType = typeof(TDelegateType),
LocalDelegate = localDelegate,
});
return((TDelegateType)(object)ourDelegate);
}
public Action <TParam1, TParam2, TParam3> Add <TParam1, TParam2, TParam3>(
object sender, Action <TParam1, TParam2, TParam3> localDelegate, EventQueueMode mode)
{
var key = new EventHandlerKey(localDelegate, sender);
Action <TParam1, TParam2, TParam3> ourDelegate = (TParam1 param1, TParam2 param2, TParam3 param3) => OnRemoteInvoked(key, new object[] { param1, param2, param3 });
return(AddInternal <Action <TParam1, TParam2, TParam3> >(key, mode, sender, localDelegate, ourDelegate));
}
// We could make this public but there's only two queue modes
// that make sense so it's easier this way
void TriggerOneOff(Action localDelegate, EventQueueMode mode)
{
var key = new EventHandlerKey(localDelegate, null);
if (_handlers.ContainsKey(key))
{
// Already queued
return;
}
_handlers.Add(key,
new HandlerInfo()
{
UsageCount = 1,
Key = key,
Mode = mode,
IsOneOff = true,
DelegateType = typeof(Action),
LocalDelegate = localDelegate,
});
OnRemoteInvoked(key, new object[0]);
}
public Action <TParam1, TParam2, TParam3, TParam4> Add <TParam1, TParam2, TParam3, TParam4>(
Action <TParam1, TParam2, TParam3, TParam4> localDelegate, EventQueueMode mode)
{
return(Add <TParam1, TParam2, TParam3, TParam4>(null, localDelegate, mode));
}
// Zero parameters
public Action Add(Action localDelegate, EventQueueMode mode = EventQueueMode.Synchronous)
{
return(Add(null, localDelegate, mode));
}
