getElement().addClassName("base-rounded-panel");
getElement().setAttribute("clip", "");
this.autoHide = autoHide;
this.modal = modal;
addCloseHandler(this);
Window.addResizeHandler(new ResizeHandler() {
public void onResize(ResizeEvent event) {
if (glassPanel != null) {
glassPanel.setSize("100%", Window.getClientHeight() + Window.getScrollTop() + "px"); //$NON-NLS-1$
}
if (isVisible() && isShowing()) {