private void initHoverHandler() {

        HoverHandler handler = new HoverHandler(getElement(), m_scrollbar.asWidget().getElement());
        addDomHandler(handler, MouseOverEvent.getType());
        addDomHandler(handler, MouseOutEvent.getType());
    }
private void initHoverHandler ( ) { HoverHandler handler = new HoverHandler ( getElement ( ) , m_scrollbar . asWidget ( ) . getElement ( ) ) ; addDomHandler ( handler , MouseOverEvent . getType ( ) ) ; addDomHandler ( handler , MouseOutEvent . getType ( ) ) ; }
Initializes the hover handler to hide and show the scroll bar on hover.<p>