public void fire() {
            presenterWidget.fireEvent(new HidePopupRequestEvent(
                    presenterWidget,
                    autoClose,
                    ok,
                    cancelHandler));
        }
Call to reset/cancel the request and re-enable any buttons.
stroom-core-client-widget/src/main/java/stroom/widget/popup/client/event/HidePopupRequestEvent.java