ViewportImplIE.java 文件源码

@Override
   public void addEventListeners() {

// we create these to map the event names to their events. see
// DomEvent.Type for details.
new Type<FocusHandler>("focusin", new FocusInEvent());
new Type<BlurHandler>("focusout", new FocusOutEvent());

addEventListeners_();
   }