src/share/classes/sun/swing/JLightweightFrame.java

*** 27,42 ****
--- 27,48 ----
  
  import java.awt.BorderLayout;
  import java.awt.Color;
  import java.awt.Component;
  import java.awt.Container;
+ import java.awt.Dimension;
  import java.awt.EventQueue;
  import java.awt.Graphics;
  import java.awt.Graphics2D;
  import java.awt.Rectangle;
+ import java.awt.event.ComponentListener;
+ import java.awt.event.ContainerEvent;
+ import java.awt.event.ContainerListener;
  import java.awt.image.BufferedImage;
  import java.awt.image.DataBufferInt;
+ import java.beans.PropertyChangeEvent;
+ import java.beans.PropertyChangeListener;
  import java.security.AccessController;
  
  import javax.swing.JLayeredPane;
  import javax.swing.JPanel;
  import javax.swing.JRootPane;
*** 78,87 ****
--- 84,95 ----
       * {@link LightweightContent#paintUnlock()} methods).
       */
      private boolean copyBufferEnabled;
      private int[] copyBuffer;
      
+     private PropertyChangeListener layoutSizeListener;
+ 
      /**
       * Constructs a new, initially invisible {@code JLightweightFrame}
       * instance.
       */
      public JLightweightFrame() {
*** 92,115 ****
          add(rootPane, BorderLayout.CENTER);
          setFocusTraversalPolicy(new LayoutFocusTraversalPolicy());
          if (getGraphicsConfiguration().isTranslucencyCapable()) {
              setBackground(new Color(0, 0, 0, 0));
          }
      }
  
      /**
       * Sets the {@link LightweightContent} instance for this frame.
       * The {@code JComponent} object returned by the
       * {@link LightweightContent#getComponent()} method is immediately
       * added to the frame's content pane.
       *
       * @param content the {@link LightweightContent} instance
       */
!     public void setContent(LightweightContent content) {
          this.content = content;
          this.component = content.getComponent();
  
          initInterior();
      }
  
      @Override
      public Graphics getGraphics() {
--- 100,153 ----
          add(rootPane, BorderLayout.CENTER);
          setFocusTraversalPolicy(new LayoutFocusTraversalPolicy());
          if (getGraphicsConfiguration().isTranslucencyCapable()) {
              setBackground(new Color(0, 0, 0, 0));
          }
+         
+         layoutSizeListener = new PropertyChangeListener() {
+             @Override
+             public void propertyChange(PropertyChangeEvent e) {
+                 Dimension d = (Dimension)e.getNewValue();
+                 
+                 if ("preferredSize".equals(e.getPropertyName())) {
+                     content.preferredSizeChanged(d.width, d.height);
+                     
+                 } else if ("maximumSize".equals(e.getPropertyName())) {
+                     content.maximumSizeChanged(d.width, d.height);
+                     
+                 } else if ("minimumSize".equals(e.getPropertyName())) {
+                     content.minimumSizeChanged(d.width, d.height);
+                 }
+             }
+         };        
      }
  
      /**
       * Sets the {@link LightweightContent} instance for this frame.
       * The {@code JComponent} object returned by the
       * {@link LightweightContent#getComponent()} method is immediately
       * added to the frame's content pane.
       *
       * @param content the {@link LightweightContent} instance
       */
!     public void setContent(final LightweightContent content) {
!         if (content == null) {
!             System.err.println("JLightweightFrame.setContent: content may not be null!");
!             return;
!         }
          this.content = content;
          this.component = content.getComponent();
  
+         Dimension d = this.component.getPreferredSize();
+         content.preferredSizeChanged(d.width, d.height);
+         
+         d = this.component.getMaximumSize();
+         content.maximumSizeChanged(d.width, d.height);
+         
+         d = this.component.getMinimumSize();
+         content.minimumSizeChanged(d.width, d.height);
+         
          initInterior();
      }
  
      @Override
      public Graphics getGraphics() {
*** 200,209 ****
--- 238,266 ----
              }
          };
          contentPane.setLayout(new BorderLayout());
          contentPane.add(component);
          setContentPane(contentPane);
+         
+         contentPane.addContainerListener(new ContainerListener() {
+             @Override
+             public void componentAdded(ContainerEvent e) {
+                 Component c = JLightweightFrame.this.component;
+                 if (e.getChild() == c) {
+                     c.addPropertyChangeListener("preferredSize", layoutSizeListener);
+                     c.addPropertyChangeListener("maximumSize", layoutSizeListener);
+                     c.addPropertyChangeListener("minimumSize", layoutSizeListener);                    
+                 }                
+             }
+             @Override
+             public void componentRemoved(ContainerEvent e) {
+                 Component c = JLightweightFrame.this.component;
+                 if (e.getChild() == c) {
+                     c.removePropertyChangeListener(layoutSizeListener);
+                 }
+             }
+         });
      }
  
      @SuppressWarnings("deprecation")
      @Override public void reshape(int x, int y, int width, int height) {
          super.reshape(x, y, width, height);