Does GWT "know" which event type was fired for overloaded events?

[Oliver Yasuna]

For example, the onscroll event could have been passed an Event or UIEvent and GWT has the ScrollEvent class for developers to handle it. But, does GWT give the developer a way to tell if the event was passed an Event or UIEvent? This is further complicated with the Error, which can be passed Event, UIEvent, or ProgressEvent.

Thank you,

Oliver

[Thomas Broyer]

My answer on Gitter:

You can use getNativeEvent() to get the actual event, then probably use instanceof with JsInterop classes (e.g. from Elemental 2) to know whether it's a UIEvent or something else.