UiNotifyConnector.java 文件源码

public void hierarchyChanged(@NotNull HierarchyEvent e) {
  if (isDisposed()) return;

  if ((e.getChangeFlags() & HierarchyEvent.SHOWING_CHANGED) > 0) {
    final Runnable runnable = new DumbAwareRunnable() {
      public void run() {
        final Component c = myComponent.get();
        if (isDisposed() || c == null) return;

        if (c.isShowing()) {
          showNotify();
        }
        else {
          hideNotify();
        }
      }
    };
    final Application app = ApplicationManager.getApplication();
    if (app != null && app.isDispatchThread()) {
      app.invokeLater(runnable, ModalityState.current());
    } else {
      //noinspection SSBasedInspection
      SwingUtilities.invokeLater(runnable);
    }
  }
}