18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package javax.swing;
  26 
  27 
  28 import java.awt.*;
  29 import java.awt.event.*;
  30 import java.awt.image.VolatileImage;
  31 import java.security.AccessControlContext;
  32 import java.security.AccessController;
  33 import java.security.PrivilegedAction;
  34 import java.util.*;
  35 import java.util.concurrent.atomic.AtomicInteger;
  36 import java.applet.*;
  37 
  38 import jdk.internal.misc.JavaSecurityAccess;
  39 import jdk.internal.misc.SharedSecrets;
  40 import sun.awt.AWTAccessor;
  41 import sun.awt.AppContext;
  42 import sun.awt.DisplayChangedListener;
  43 import sun.awt.SunToolkit;
  44 import sun.java2d.SunGraphicsEnvironment;
  45 import sun.security.action.GetPropertyAction;
  46 
  47 import com.sun.java.swing.SwingUtilities3;
  48 import java.awt.geom.AffineTransform;
  49 import sun.java2d.SunGraphics2D;
  50 import sun.java2d.pipe.Region;
  51 import sun.swing.SwingAccessor;
  52 import sun.swing.SwingUtilities2;
  53 import sun.swing.SwingUtilities2.RepaintListener;
  54 
  55 /**
  56  * This class manages repaint requests, allowing the number
  57  * of repaints to be minimized, for example by collapsing multiple
  58  * requests into a single repaint for members of a component tree.
  59  * <p>

  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package javax.swing;
  26 
  27 
  28 import java.awt.*;
  29 import java.awt.event.*;
  30 import java.awt.image.VolatileImage;
  31 import java.security.AccessControlContext;
  32 import java.security.AccessController;
  33 import java.security.PrivilegedAction;
  34 import java.util.*;
  35 import java.util.concurrent.atomic.AtomicInteger;
  36 import java.applet.*;
  37 
  38 import jdk.internal.access.JavaSecurityAccess;
  39 import jdk.internal.access.SharedSecrets;
  40 import sun.awt.AWTAccessor;
  41 import sun.awt.AppContext;
  42 import sun.awt.DisplayChangedListener;
  43 import sun.awt.SunToolkit;
  44 import sun.java2d.SunGraphicsEnvironment;
  45 import sun.security.action.GetPropertyAction;
  46 
  47 import com.sun.java.swing.SwingUtilities3;
  48 import java.awt.geom.AffineTransform;
  49 import sun.java2d.SunGraphics2D;
  50 import sun.java2d.pipe.Region;
  51 import sun.swing.SwingAccessor;
  52 import sun.swing.SwingUtilities2;
  53 import sun.swing.SwingUtilities2.RepaintListener;
  54 
  55 /**
  56  * This class manages repaint requests, allowing the number
  57  * of repaints to be minimized, for example by collapsing multiple
  58  * requests into a single repaint for members of a component tree.
  59  * <p>