EventsExecutor.java 文件源码

public void setFocusGained(JavaScriptObject aValue) {
    if (focusGained != aValue) {
        if (focusReg != null) {
            focusReg.removeHandler();
            focusReg = null;
        }
        focusGained = aValue;
        if (focusGained != null && component instanceof HasFocusHandlers) {
            focusReg = ((HasFocusHandlers) component).addFocusHandler(new FocusHandler() {
                @Override
                public void onFocus(FocusEvent event) {
                    if (focusGained != null) {
                        executeEvent(focusGained, EventsPublisher.publish(event));
                    }
                }
            });
        }
    }
}