Swing/PopupMenuBlockLayer のバックアップの現在との差分(No.2)

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class DisableInputLayerUI<V extends Component> extends LayerUI<V> {
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  private static final String CMD_REPAINT = "lock";
  private final MouseListener emptyMouseAdapter = new MouseAdapter() {
    /* do nothing listener */
  };
  private boolean isBlocking;

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**サンプルコード [#p31bbd51]
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#code{{
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class DisableInputLayerUI extends LayerUI<JComponent> {
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  private static final MouseAdapter dummyMouseListener = new MouseAdapter() {};
  private boolean isBlocking = false;
  public void setLocked(boolean flag) {
    firePropertyChange(CMD_REPAINT, isBlocking, flag);
    isBlocking = flag;
  }
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  @Override public void installUI(JComponent c) {
    super.installUI(c);
    JLayer jlayer = (JLayer)c;
    jlayer.getGlassPane().addMouseListener(dummyMouseListener);
    jlayer.setLayerEventMask(
      AWTEvent.MOUSE_EVENT_MASK | AWTEvent.MOUSE_MOTION_EVENT_MASK |
      AWTEvent.MOUSE_WHEEL_EVENT_MASK | AWTEvent.KEY_EVENT_MASK);
    if (c instanceof JLayer) {
      JLayer<?> jlayer = (JLayer<?>) c;
      jlayer.getGlassPane().addMouseListener(emptyMouseAdapter);
      jlayer.setLayerEventMask(
          AWTEvent.MOUSE_EVENT_MASK
          | AWTEvent.MOUSE_MOTION_EVENT_MASK
          | AWTEvent.MOUSE_WHEEL_EVENT_MASK
          | AWTEvent.KEY_EVENT_MASK);
    }
  }
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  @Override public void uninstallUI(JComponent c) {
    JLayer jlayer = (JLayer)c;
    jlayer.setLayerEventMask(0);
    jlayer.getGlassPane().removeMouseListener(dummyMouseListener);
    if (c instanceof JLayer) {
      JLayer<?> jlayer = (JLayer<?>) c;
      jlayer.setLayerEventMask(0);
      jlayer.getGlassPane().removeMouseListener(emptyMouseAdapter);
    }
    super.uninstallUI(c);
  }
  @Override public void eventDispatched(AWTEvent e, JLayer l) {
    if(isBlocking && e instanceof InputEvent) {
      ((InputEvent)e).consume();
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  @Override public void eventDispatched(
      AWTEvent e, JLayer<? extends V> l) {
    if (isBlocking && e instanceof InputEvent) {
      ((InputEvent) e).consume();
    }
  }
  private static final String CMD_REPAINT = "lock";
  public void setLocked(boolean flag) {
    firePropertyChange(CMD_REPAINT,isBlocking,flag);
    isBlocking = flag;
  }
  @Override public void applyPropertyChange(PropertyChangeEvent pce, JLayer l) {
    String cmd = pce.getPropertyName();
    if(CMD_REPAINT.equals(cmd)) {
      l.getGlassPane().setVisible((Boolean)pce.getNewValue());
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  @Override public void applyPropertyChange(
      PropertyChangeEvent e, JLayer<? extends V> l) {
    if (CMD_REPAINT.equals(e.getPropertyName())) {
      l.getGlassPane().setVisible((Boolean) e.getNewValue());
    }
  }
}