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;
}
}
}
}
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 RegisterCallback <TEventType, TUserArgsType>(EventCallback <TEventType, TUserArgsType> callback, TUserArgsType userArgs, TrickleDown useTrickleDown = TrickleDown.NoTrickleDown) where TEventType : EventBase <TEventType>, new()
{
if (m_CallbackRegistry == null)
{
m_CallbackRegistry = new EventCallbackRegistry();
}
m_CallbackRegistry.RegisterCallback <TEventType, TUserArgsType>(callback, userArgs, useTrickleDown);
}
public void RegisterCallback <TEventType>(EventCallback <TEventType> callback, TrickleDown useTrickleDown = TrickleDown.NoTrickleDown) where TEventType : EventBase <TEventType>, new()
{
bool flag = this.m_CallbackRegistry == null;
if (flag)
{
this.m_CallbackRegistry = new EventCallbackRegistry();
}
this.m_CallbackRegistry.RegisterCallback <TEventType>(callback, useTrickleDown);
GlobalCallbackRegistry.RegisterListeners <TEventType>(this, callback, useTrickleDown);
}
public virtual void HandleEvent(EventBase evt)
{
bool flag = evt == null;
if (!flag)
{
switch (evt.propagationPhase)
{
case PropagationPhase.TrickleDown:
case PropagationPhase.AtTarget:
case PropagationPhase.BubbleUp:
{
bool flag2 = !evt.isPropagationStopped;
if (flag2)
{
EventCallbackRegistry expr_4D = this.m_CallbackRegistry;
if (expr_4D != null)
{
expr_4D.InvokeCallbacks(evt);
}
}
break;
}
case PropagationPhase.DefaultAction:
{
bool flag3 = !evt.isDefaultPrevented;
if (flag3)
{
using (new EventDebuggerLogExecuteDefaultAction(evt))
{
this.ExecuteDefaultAction(evt);
}
}
break;
}
case PropagationPhase.DefaultActionAtTarget:
{
bool flag4 = !evt.isDefaultPrevented;
if (flag4)
{
using (new EventDebuggerLogExecuteDefaultAction(evt))
{
this.ExecuteDefaultActionAtTarget(evt);
}
}
break;
}
}
}
}
internal void RegisterCallback <TEventType>(EventCallback <TEventType> callback, InvokePolicy invokePolicy, TrickleDown useTrickleDown = TrickleDown.NoTrickleDown) where TEventType : EventBase <TEventType>, new()
{
if (m_CallbackRegistry == null)
{
m_CallbackRegistry = new EventCallbackRegistry();
}
m_CallbackRegistry.RegisterCallback(callback, useTrickleDown, invokePolicy);
GlobalCallbackRegistry.RegisterListeners <TEventType>(this, callback, useTrickleDown);
AddEventCategories <TEventType>();
}
/// <summary>
/// Adds an event handler to the instance. If the event handler has already been registered for the same phase (either TrickleDown or BubbleUp) then this method has no effect.
/// </summary>
/// <param name="callback">The event handler to add.</param>
/// <param name="userArgs">Data to pass to the callback.</param>
/// <param name="useTrickleDown">By default, this callback is called during the BubbleUp phase. Pass TrickleDown.TrickleDown to call this callback during the TrickleDown phase.</param>
public void RegisterCallback <TEventType, TUserArgsType>(EventCallback <TEventType, TUserArgsType> callback, TUserArgsType userArgs, TrickleDown useTrickleDown = TrickleDown.NoTrickleDown) where TEventType : EventBase <TEventType>, new()
{
if (m_CallbackRegistry == null)
{
m_CallbackRegistry = new EventCallbackRegistry();
}
m_CallbackRegistry.RegisterCallback(callback, userArgs, useTrickleDown, default);
GlobalCallbackRegistry.RegisterListeners <TEventType>(this, callback, useTrickleDown);
AddEventCategories <TEventType>();
}