src/share/classes/sun/awt/LightweightFrame.java

*** 29,38 ****
--- 29,39 ----
  import java.awt.Frame;
  import java.awt.Graphics;
  import java.awt.Image;
  import java.awt.MenuBar;
  import java.awt.MenuComponent;
+ import java.awt.Rectangle;
  import java.awt.Toolkit;
  import java.awt.peer.FramePeer;
  
  /**
   * The class provides basic functionality for a lightweight frame
*** 122,127 ****
--- 123,172 ----
       * The method is called by the AWT grab machinery.
       *
       * @see SunToolkit#ungrab(java.awt.Window)
       */
      public abstract void ungrabFocus();
+ 
+     /**
+      * Returns the scale factor of this frame. The default value is 1.
+      *
+      * @return the scale factor
+      * @see #notifyDisplayChanged(int)
+      */
+     public abstract int getScaleFactor();
+ 
+     /**
+      * Called when display of the hosted frame is changed.
+      *
+      * @param scaleFactor the scale factor
+      */
+     public abstract void notifyDisplayChanged(int scaleFactor);
+ 
+     /**
+      * Host window absolute bounds.
+      */
+     private int hostX, hostY, hostW, hostH;
+ 
+     /**
+      * Returns the absolute bounds of the host (embedding) window.
+      *
+      * @return the host window bounds
+      */
+     public Rectangle getHostBounds() {
+         if (hostX == 0 && hostY == 0 && hostW == 0 && hostH == 0) {
+             // The client app is probably unaware of the setHostBounds.
+             // A safe fall-back:
+             return getBounds();
+         }
+         return new Rectangle(hostX, hostY, hostW, hostH);
+     }
+ 
+     /**
+      * Sets the absolute bounds of the host (embedding) window.
+      */
+     public void setHostBounds(int x, int y, int w, int h) {
+         hostX = x;
+         hostY = y;
+         hostW = w;
+         hostH = h;
+     }
  }