8080395: consider making sun.awt.CausedFocusEvent functionality public

Reviewed-by: alexsch, prr

jdk/src/java.desktop/macosx/classes/sun/lwawt/LWComponentPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -903,7 +903,7 @@ public abstract class LWComponentPeer<T extends Component, D extends JComponent>
     @Override
     public boolean requestFocus(Component lightweightChild, boolean temporary,
                                 boolean focusedWindowChangeAllowed, long time,
-                                CausedFocusEvent.Cause cause)
+                                FocusEvent.Cause cause)
     {
         if (focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
             focusLog.finest("lightweightChild=" + lightweightChild + ", temporary=" + temporary +
@@ -1278,7 +1278,7 @@ public abstract class LWComponentPeer<T extends Component, D extends JComponent>
         assert (e.getSource() == target);
 
         if (!target.isFocusOwner() && LWKeyboardFocusManagerPeer.shouldFocusOnClick(target)) {
-            LWKeyboardFocusManagerPeer.requestFocusFor(target, CausedFocusEvent.Cause.MOUSE_EVENT);
+            LWKeyboardFocusManagerPeer.requestFocusFor(target, FocusEvent.Cause.MOUSE_EVENT);
         }
     }
 

jdk/src/java.desktop/macosx/classes/sun/lwawt/LWLightweightFramePeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,8 +31,8 @@ import java.awt.Point;
 import java.awt.Rectangle;
 import java.awt.Window;
 import java.awt.dnd.DropTarget;
+import java.awt.event.FocusEvent;
 
-import sun.awt.CausedFocusEvent;
 import sun.awt.LightweightFrame;
 import sun.swing.JLightweightFrame;
 import sun.swing.SwingAccessor;
@@ -60,7 +60,7 @@ public class LWLightweightFramePeer extends LWWindowPeer {
     }
 
     @Override
-    public boolean requestWindowFocus(CausedFocusEvent.Cause cause) {
+    public boolean requestWindowFocus(FocusEvent.Cause cause) {
         if (!focusAllowedFor()) {
             return false;
         }

jdk/src/java.desktop/macosx/classes/sun/lwawt/LWWindowPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -256,14 +256,14 @@ public class LWWindowPeer
                 if (!getTarget().isAutoRequestFocus()) {
                     return;
                 } else {
-                    requestWindowFocus(CausedFocusEvent.Cause.ACTIVATION);
+                    requestWindowFocus(FocusEvent.Cause.ACTIVATION);
                 }
             // Focus the owner in case this window is focused.
             } else if (kfmPeer.getCurrentFocusedWindow() == getTarget()) {
                 // Transfer focus to the owner.
                 LWWindowPeer owner = getOwnerFrameDialog(LWWindowPeer.this);
                 if (owner != null) {
-                    owner.requestWindowFocus(CausedFocusEvent.Cause.ACTIVATION);
+                    owner.requestWindowFocus(FocusEvent.Cause.ACTIVATION);
                 }
             }
         }
@@ -848,7 +848,7 @@ public class LWWindowPeer
                 // 2. An active but not focused owner frame/dialog is clicked.
                 // The mouse event then will trigger a focus request "in window" to the component, so the window
                 // should gain focus before.
-                requestWindowFocus(CausedFocusEvent.Cause.MOUSE_EVENT);
+                requestWindowFocus(FocusEvent.Cause.MOUSE_EVENT);
 
                 mouseDownTarget[targetIdx] = targetPeer;
             } else if (id == MouseEvent.MOUSE_DRAGGED) {
@@ -1199,7 +1199,7 @@ public class LWWindowPeer
      * Requests platform to set native focus on a frame/dialog.
      * In case of a simple window, triggers appropriate java focus change.
      */
-    public boolean requestWindowFocus(CausedFocusEvent.Cause cause) {
+    public boolean requestWindowFocus(FocusEvent.Cause cause) {
         if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
             focusLog.fine("requesting native focus to " + this);
         }

jdk/src/java.desktop/macosx/classes/sun/lwawt/PlatformWindow.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,8 +26,8 @@
 package sun.lwawt;
 
 import java.awt.*;
+import java.awt.event.FocusEvent;
 
-import sun.awt.CausedFocusEvent;
 import sun.java2d.SurfaceData;
 
 // TODO Is it worth to generify this interface, like that:
@@ -114,7 +114,7 @@ public interface PlatformWindow {
 
     public void updateFocusableWindowState();
 
-    public boolean rejectFocusRequest(CausedFocusEvent.Cause cause);
+    public boolean rejectFocusRequest(FocusEvent.Cause cause);
 
     public boolean requestWindowFocus();
 

jdk/src/java.desktop/macosx/classes/sun/lwawt/macosx/CFileDialog.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,6 +26,7 @@
 package sun.lwawt.macosx;
 
 import java.awt.*;
+import java.awt.event.FocusEvent.Cause;
 import java.awt.peer.*;
 import java.awt.BufferCapabilities.FlipContents;
 import java.awt.event.*;
@@ -34,7 +35,6 @@ import java.security.AccessController;
 import java.util.List;
 import java.io.*;
 
-import sun.awt.CausedFocusEvent.Cause;
 import sun.awt.AWTAccessor;
 import sun.java2d.pipe.Region;
 import sun.security.action.GetBooleanAction;

jdk/src/java.desktop/macosx/classes/sun/lwawt/macosx/CPlatformEmbeddedFrame.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,7 +26,8 @@
 package sun.lwawt.macosx;
 
 import java.awt.*;
-import sun.awt.CausedFocusEvent;
+import java.awt.event.FocusEvent;
+
 import sun.java2d.SurfaceData;
 import sun.java2d.opengl.CGLLayer;
 import sun.lwawt.LWWindowPeer;
@@ -133,9 +134,9 @@ public class CPlatformEmbeddedFrame implements PlatformWindow {
     public void updateFocusableWindowState() {}
 
     @Override
-    public boolean rejectFocusRequest(CausedFocusEvent.Cause cause) {
+    public boolean rejectFocusRequest(FocusEvent.Cause cause) {
         // Cross-app activation requests are not allowed.
-        if (cause != CausedFocusEvent.Cause.MOUSE_EVENT &&
+        if (cause != FocusEvent.Cause.MOUSE_EVENT &&
             !target.isParentWindowActive())
         {
             focusLogger.fine("the embedder is inactive, so the request is rejected");

jdk/src/java.desktop/macosx/classes/sun/lwawt/macosx/CPlatformLWWindow.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -37,7 +37,7 @@ import java.awt.Rectangle;
 import java.awt.Window;
 import sun.awt.CGraphicsDevice;
 import sun.awt.CGraphicsEnvironment;
-import sun.awt.CausedFocusEvent;
+import java.awt.event.FocusEvent;
 import sun.awt.LightweightFrame;
 import sun.java2d.SurfaceData;
 import sun.lwawt.LWLightweightFramePeer;
@@ -134,7 +134,7 @@ public class CPlatformLWWindow extends CPlatformWindow {
     }
 
     @Override
-    public boolean rejectFocusRequest(CausedFocusEvent.Cause cause) {
+    public boolean rejectFocusRequest(FocusEvent.Cause cause) {
         return false;
     }
 

jdk/src/java.desktop/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -706,9 +706,9 @@ public class CPlatformWindow extends CFRetainedResource implements PlatformWindo
     }
 
     @Override
-    public boolean rejectFocusRequest(CausedFocusEvent.Cause cause) {
+    public boolean rejectFocusRequest(FocusEvent.Cause cause) {
         // Cross-app activation requests are not allowed.
-        if (cause != CausedFocusEvent.Cause.MOUSE_EVENT &&
+        if (cause != FocusEvent.Cause.MOUSE_EVENT &&
             !((LWCToolkit)Toolkit.getDefaultToolkit()).isApplicationActive())
         {
             focusLogger.fine("the app is inactive, so the request is rejected");

jdk/src/java.desktop/macosx/classes/sun/lwawt/macosx/CViewPlatformEmbeddedFrame.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,7 +33,7 @@ import java.awt.Insets;
 import java.awt.MenuBar;
 import java.awt.Point;
 import java.awt.Window;
-import sun.awt.CausedFocusEvent.Cause;
+import java.awt.event.FocusEvent.Cause;
 import sun.java2d.SurfaceData;
 import sun.lwawt.LWWindowPeer;
 import sun.lwawt.PlatformWindow;

jdk/src/java.desktop/share/classes/java/awt/Component.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1995, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -68,7 +68,6 @@ import sun.awt.AWTAccessor;
 import sun.awt.ConstrainableGraphics;
 import sun.awt.SubRegionShowable;
 import sun.awt.SunToolkit;
-import sun.awt.CausedFocusEvent;
 import sun.awt.EmbeddedFrame;
 import sun.awt.dnd.SunDropTargetEvent;
 import sun.awt.im.CompositionArea;
@@ -878,7 +877,7 @@ public abstract class Component implements ImageObserver, MenuContainer,
             {
                 comp.setGraphicsConfiguration(gc);
             }
-            public boolean requestFocus(Component comp, CausedFocusEvent.Cause cause) {
+            public boolean requestFocus(Component comp, FocusEvent.Cause cause) {
                 return comp.requestFocus(cause);
             }
             public boolean canBeFocusOwner(Component comp) {
@@ -7538,7 +7537,7 @@ public abstract class Component implements ImageObserver, MenuContainer,
         requestFocusHelper(false, true);
     }
 
-    boolean requestFocus(CausedFocusEvent.Cause cause) {
+    boolean requestFocus(FocusEvent.Cause cause) {
         return requestFocusHelper(false, true, cause);
     }
 
@@ -7605,7 +7604,7 @@ public abstract class Component implements ImageObserver, MenuContainer,
         return requestFocusHelper(temporary, true);
     }
 
-    boolean requestFocus(boolean temporary, CausedFocusEvent.Cause cause) {
+    boolean requestFocus(boolean temporary, FocusEvent.Cause cause) {
         return requestFocusHelper(temporary, true, cause);
     }
     /**
@@ -7656,7 +7655,7 @@ public abstract class Component implements ImageObserver, MenuContainer,
         return requestFocusHelper(false, false);
     }
 
-    boolean requestFocusInWindow(CausedFocusEvent.Cause cause) {
+    boolean requestFocusInWindow(FocusEvent.Cause cause) {
         return requestFocusHelper(false, false, cause);
     }
 
@@ -7721,18 +7720,18 @@ public abstract class Component implements ImageObserver, MenuContainer,
         return requestFocusHelper(temporary, false);
     }
 
-    boolean requestFocusInWindow(boolean temporary, CausedFocusEvent.Cause cause) {
+    boolean requestFocusInWindow(boolean temporary, FocusEvent.Cause cause) {
         return requestFocusHelper(temporary, false, cause);
     }
 
     final boolean requestFocusHelper(boolean temporary,
                                      boolean focusedWindowChangeAllowed) {
-        return requestFocusHelper(temporary, focusedWindowChangeAllowed, CausedFocusEvent.Cause.UNKNOWN);
+        return requestFocusHelper(temporary, focusedWindowChangeAllowed, FocusEvent.Cause.UNKNOWN);
     }
 
     final boolean requestFocusHelper(boolean temporary,
                                      boolean focusedWindowChangeAllowed,
-                                     CausedFocusEvent.Cause cause)
+                                     FocusEvent.Cause cause)
     {
         // 1) Check if the event being dispatched is a system-generated mouse event.
         AWTEvent currentEvent = EventQueue.getCurrentEvent();
@@ -7820,7 +7819,7 @@ public abstract class Component implements ImageObserver, MenuContainer,
 
     private boolean isRequestFocusAccepted(boolean temporary,
                                            boolean focusedWindowChangeAllowed,
-                                           CausedFocusEvent.Cause cause)
+                                           FocusEvent.Cause cause)
     {
         if (!isFocusable() || !isVisible()) {
             if (focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
@@ -7867,7 +7866,7 @@ public abstract class Component implements ImageObserver, MenuContainer,
             return true;
         }
 
-        if (CausedFocusEvent.Cause.ACTIVATION == cause) {
+        if (FocusEvent.Cause.ACTIVATION == cause) {
             // we shouldn't call RequestFocusController in case we are
             // in activation.  We do request focus on component which
             // has got temporary focus lost and then on component which is
@@ -7899,7 +7898,7 @@ public abstract class Component implements ImageObserver, MenuContainer,
     private static class DummyRequestFocusController implements RequestFocusController {
         public boolean acceptRequestFocus(Component from, Component to,
                                           boolean temporary, boolean focusedWindowChangeAllowed,
-                                          CausedFocusEvent.Cause cause)
+                                          FocusEvent.Cause cause)
         {
             return true;
         }
@@ -7983,7 +7982,7 @@ public abstract class Component implements ImageObserver, MenuContainer,
         Component toFocus = getNextFocusCandidate();
         boolean res = false;
         if (toFocus != null && !toFocus.isFocusOwner() && toFocus != this) {
-            res = toFocus.requestFocusInWindow(CausedFocusEvent.Cause.TRAVERSAL_FORWARD);
+            res = toFocus.requestFocusInWindow(FocusEvent.Cause.TRAVERSAL_FORWARD);
         }
         if (clearOnFailure && !res) {
             if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
@@ -8063,7 +8062,7 @@ public abstract class Component implements ImageObserver, MenuContainer,
                 toFocus = policy.getDefaultComponent(rootAncestor);
             }
             if (toFocus != null) {
-                res = toFocus.requestFocusInWindow(CausedFocusEvent.Cause.TRAVERSAL_BACKWARD);
+                res = toFocus.requestFocusInWindow(FocusEvent.Cause.TRAVERSAL_BACKWARD);
             }
         }
         if (clearOnFailure && !res) {
@@ -8108,7 +8107,7 @@ public abstract class Component implements ImageObserver, MenuContainer,
 
             KeyboardFocusManager.getCurrentKeyboardFocusManager().
                 setGlobalCurrentFocusCycleRootPriv(fcr);
-            rootAncestor.requestFocus(CausedFocusEvent.Cause.TRAVERSAL_UP);
+            rootAncestor.requestFocus(FocusEvent.Cause.TRAVERSAL_UP);
         } else {
             Window window = getContainingWindow();
 
@@ -8118,7 +8117,7 @@ public abstract class Component implements ImageObserver, MenuContainer,
                 if (toFocus != null) {
                     KeyboardFocusManager.getCurrentKeyboardFocusManager().
                         setGlobalCurrentFocusCycleRootPriv(window);
-                    toFocus.requestFocus(CausedFocusEvent.Cause.TRAVERSAL_UP);
+                    toFocus.requestFocus(FocusEvent.Cause.TRAVERSAL_UP);
                 }
             }
         }

jdk/src/java.desktop/share/classes/java/awt/Container.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1995, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -55,7 +55,6 @@ import sun.util.logging.PlatformLogger;
 
 import sun.awt.AppContext;
 import sun.awt.AWTAccessor;
-import sun.awt.CausedFocusEvent;
 import sun.awt.PeerEvent;
 import sun.awt.SunToolkit;
 
@@ -3515,7 +3514,7 @@ public class Container extends Component {
             Component toFocus = getFocusTraversalPolicy().
                 getDefaultComponent(this);
             if (toFocus != null) {
-                toFocus.requestFocus(CausedFocusEvent.Cause.TRAVERSAL_DOWN);
+                toFocus.requestFocus(FocusEvent.Cause.TRAVERSAL_DOWN);
             }
         }
     }

jdk/src/java.desktop/share/classes/java/awt/DefaultKeyboardFocusManager.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -40,7 +40,6 @@ import sun.util.logging.PlatformLogger;
 import sun.awt.AppContext;
 import sun.awt.SunToolkit;
 import sun.awt.AWTAccessor;
-import sun.awt.CausedFocusEvent;
 import sun.awt.TimedWindowEvent;
 
 /**
@@ -165,13 +164,13 @@ public class DefaultKeyboardFocusManager extends KeyboardFocusManager {
                                    boolean clearOnFailure)
     {
         if (toFocus != vetoedComponent && toFocus.isShowing() && toFocus.canBeFocusOwner() &&
-            toFocus.requestFocus(false, CausedFocusEvent.Cause.ROLLBACK))
+            toFocus.requestFocus(false, FocusEvent.Cause.ROLLBACK))
         {
             return true;
         } else {
             Component nextFocus = toFocus.getNextFocusCandidate();
             if (nextFocus != null && nextFocus != vetoedComponent &&
-                nextFocus.requestFocusInWindow(CausedFocusEvent.Cause.ROLLBACK))
+                nextFocus.requestFocusInWindow(FocusEvent.Cause.ROLLBACK))
             {
                 return true;
             } else if (clearOnFailure) {
@@ -431,13 +430,13 @@ public class DefaultKeyboardFocusManager extends KeyboardFocusManager {
                                        tempLost, toFocus);
                     }
                     if (tempLost != null) {
-                        tempLost.requestFocusInWindow(CausedFocusEvent.Cause.ACTIVATION);
+                        tempLost.requestFocusInWindow(FocusEvent.Cause.ACTIVATION);
                     }
 
                     if (toFocus != null && toFocus != tempLost) {
                         // If there is a component which requested focus when this window
                         // was inactive it expects to receive focus after activation.
-                        toFocus.requestFocusInWindow(CausedFocusEvent.Cause.ACTIVATION);
+                        toFocus.requestFocusInWindow(FocusEvent.Cause.ACTIVATION);
                     }
                 }
 
@@ -490,8 +489,6 @@ public class DefaultKeyboardFocusManager extends KeyboardFocusManager {
 
             case FocusEvent.FOCUS_GAINED: {
                 FocusEvent fe = (FocusEvent)e;
-                CausedFocusEvent.Cause cause = (fe instanceof CausedFocusEvent) ?
-                    ((CausedFocusEvent)fe).getCause() : CausedFocusEvent.Cause.UNKNOWN;
                 Component oldFocusOwner = getGlobalFocusOwner();
                 Component newFocusOwner = fe.getComponent();
                 if (oldFocusOwner == newFocusOwner) {
@@ -509,10 +506,10 @@ public class DefaultKeyboardFocusManager extends KeyboardFocusManager {
                 if (oldFocusOwner != null) {
                     boolean isEventDispatched =
                         sendMessage(oldFocusOwner,
-                                    new CausedFocusEvent(oldFocusOwner,
+                                    new FocusEvent(oldFocusOwner,
                                                    FocusEvent.FOCUS_LOST,
                                                    fe.isTemporary(),
-                                                   newFocusOwner, cause));
+                                                   newFocusOwner, fe.getCause()));
                     // Failed to dispatch, clear by ourselves
                     if (!isEventDispatched) {
                         setGlobalFocusOwner(null);
@@ -552,7 +549,7 @@ public class DefaultKeyboardFocusManager extends KeyboardFocusManager {
                     // Refuse focus on a disabled component if the focus event
                     // isn't of UNKNOWN reason (i.e. not a result of a direct request
                     // but traversal, activation or system generated).
-                    (newFocusOwner.isEnabled() || cause.equals(CausedFocusEvent.Cause.UNKNOWN))))
+                    (newFocusOwner.isEnabled() || fe.getCause().equals(FocusEvent.Cause.UNKNOWN))))
                 {
                     // we should not accept focus on such component, so reject it.
                     dequeueKeyEvents(-1, newFocusOwner);
@@ -601,10 +598,10 @@ public class DefaultKeyboardFocusManager extends KeyboardFocusManager {
                 Component realOppositeComponent = this.realOppositeComponentWR.get();
                 if (realOppositeComponent != null &&
                     realOppositeComponent != fe.getOppositeComponent()) {
-                    fe = new CausedFocusEvent(newFocusOwner,
+                    fe = new FocusEvent(newFocusOwner,
                                         FocusEvent.FOCUS_GAINED,
                                         fe.isTemporary(),
-                                        realOppositeComponent, cause);
+                                        realOppositeComponent, fe.getCause());
                     ((AWTEvent) fe).isPosted = true;
                 }
                 return typeAheadAssertions(newFocusOwner, fe);
@@ -729,10 +726,10 @@ public class DefaultKeyboardFocusManager extends KeyboardFocusManager {
                         oppositeComp = oppositeWindow;
                     }
                     sendMessage(currentFocusOwner,
-                                new CausedFocusEvent(currentFocusOwner,
+                                new FocusEvent(currentFocusOwner,
                                                FocusEvent.FOCUS_LOST,
                                                true,
-                                               oppositeComp, CausedFocusEvent.Cause.ACTIVATION));
+                                               oppositeComp, FocusEvent.Cause.ACTIVATION));
                 }
 
                 setGlobalFocusedWindow(null);

jdk/src/java.desktop/share/classes/java/awt/KeyboardFocusManager.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -57,7 +57,6 @@ import sun.util.logging.PlatformLogger;
 
 import sun.awt.AppContext;
 import sun.awt.SunToolkit;
-import sun.awt.CausedFocusEvent;
 import sun.awt.KeyboardFocusManagerPeerProvider;
 import sun.awt.AWTAccessor;
 
@@ -124,7 +123,7 @@ public abstract class KeyboardFocusManager
                                                    boolean temporary,
                                                    boolean focusedWindowChangeAllowed,
                                                    long time,
-                                                   CausedFocusEvent.Cause cause)
+                                                   FocusEvent.Cause cause)
                 {
                     return KeyboardFocusManager.shouldNativelyFocusHeavyweight(
                         heavyweight, descendant, temporary, focusedWindowChangeAllowed, time, cause);
@@ -2164,9 +2163,9 @@ public abstract class KeyboardFocusManager
     private static final class LightweightFocusRequest {
         final Component component;
         final boolean temporary;
-        final CausedFocusEvent.Cause cause;
+        final FocusEvent.Cause cause;
 
-        LightweightFocusRequest(Component component, boolean temporary, CausedFocusEvent.Cause cause) {
+        LightweightFocusRequest(Component component, boolean temporary, FocusEvent.Cause cause) {
             this.component = component;
             this.temporary = temporary;
             this.cause = cause;
@@ -2190,7 +2189,7 @@ public abstract class KeyboardFocusManager
         }
 
         HeavyweightFocusRequest(Component heavyweight, Component descendant,
-                                boolean temporary, CausedFocusEvent.Cause cause) {
+                                boolean temporary, FocusEvent.Cause cause) {
             if (log.isLoggable(PlatformLogger.Level.FINE)) {
                 if (heavyweight == null) {
                     log.fine("Assertion (heavyweight != null) failed");
@@ -2202,7 +2201,7 @@ public abstract class KeyboardFocusManager
             addLightweightRequest(descendant, temporary, cause);
         }
         boolean addLightweightRequest(Component descendant,
-                                      boolean temporary, CausedFocusEvent.Cause cause) {
+                                      boolean temporary, FocusEvent.Cause cause) {
             if (log.isLoggable(PlatformLogger.Level.FINE)) {
                 if (this == HeavyweightFocusRequest.CLEAR_GLOBAL_FOCUS_OWNER) {
                     log.fine("Assertion (this != HeavyweightFocusRequest.CLEAR_GLOBAL_FOCUS_OWNER) failed");
@@ -2314,7 +2313,7 @@ public abstract class KeyboardFocusManager
 
                 hwFocusRequest =
                     new HeavyweightFocusRequest(heavyweight, descendant,
-                                                temporary, CausedFocusEvent.Cause.UNKNOWN);
+                                                temporary, FocusEvent.Cause.UNKNOWN);
                 heavyweightRequests.add(hwFocusRequest);
 
                 if (currentFocusOwner != null) {
@@ -2379,7 +2378,7 @@ public abstract class KeyboardFocusManager
      */
     static int shouldNativelyFocusHeavyweight
         (Component heavyweight, Component descendant, boolean temporary,
-         boolean focusedWindowChangeAllowed, long time, CausedFocusEvent.Cause cause)
+         boolean focusedWindowChangeAllowed, long time, FocusEvent.Cause cause)
     {
         if (log.isLoggable(PlatformLogger.Level.FINE)) {
             if (heavyweight == null) {
@@ -2445,7 +2444,7 @@ public abstract class KeyboardFocusManager
 
                 if (currentFocusOwner != null) {
                     FocusEvent currentFocusOwnerEvent =
-                        new CausedFocusEvent(currentFocusOwner,
+                        new FocusEvent(currentFocusOwner,
                                        FocusEvent.FOCUS_LOST,
                                        temporary, descendant, cause);
                     // Fix 5028014. Rolled out.
@@ -2454,7 +2453,7 @@ public abstract class KeyboardFocusManager
                                          currentFocusOwnerEvent);
                 }
                 FocusEvent newFocusOwnerEvent =
-                    new CausedFocusEvent(descendant, FocusEvent.FOCUS_GAINED,
+                    new FocusEvent(descendant, FocusEvent.FOCUS_GAINED,
                                    temporary, currentFocusOwner, cause);
                 // Fix 5028014. Rolled out.
                 // SunToolkit.postPriorityEvent(newFocusOwnerEvent);
@@ -2670,13 +2669,13 @@ public abstract class KeyboardFocusManager
                      * lw requests.
                      */
                     if (currentFocusOwner != null) {
-                        currentFocusOwnerEvent = new CausedFocusEvent(currentFocusOwner,
+                        currentFocusOwnerEvent = new FocusEvent(currentFocusOwner,
                                        FocusEvent.FOCUS_LOST,
                                        lwFocusRequest.temporary,
                                        lwFocusRequest.component, lwFocusRequest.cause);
                     }
                     FocusEvent newFocusOwnerEvent =
-                        new CausedFocusEvent(lwFocusRequest.component,
+                        new FocusEvent(lwFocusRequest.component,
                                        FocusEvent.FOCUS_GAINED,
                                        lwFocusRequest.temporary,
                                        currentFocusOwner == null ? lastFocusOwner : currentFocusOwner,
@@ -2726,8 +2725,8 @@ public abstract class KeyboardFocusManager
             {
                 temporary = true;
             }
-            return new CausedFocusEvent(source, fe.getID(), temporary, opposite,
+            return new FocusEvent(source, fe.getID(), temporary, opposite,
-                                        CausedFocusEvent.Cause.NATIVE_SYSTEM);
+                                        FocusEvent.Cause.UNEXPECTED);
         }
     }
 
@@ -2802,7 +2801,7 @@ public abstract class KeyboardFocusManager
 
                 // 'opposite' will be fixed by
                 // DefaultKeyboardFocusManager.realOppositeComponent
-                return new CausedFocusEvent(newSource,
+                return new FocusEvent(newSource,
                                       FocusEvent.FOCUS_GAINED, temporary,
                                       opposite, lwFocusRequest.cause);
             }
@@ -2815,8 +2814,8 @@ public abstract class KeyboardFocusManager
                 // If it arrives as the result of activation we should skip it
                 // This event will not have appropriate request record and
                 // on arrival there will be already some focus owner set.
-                return new CausedFocusEvent(currentFocusOwner, FocusEvent.FOCUS_GAINED, false,
+                return new FocusEvent(currentFocusOwner, FocusEvent.FOCUS_GAINED, false,
-                                            null, CausedFocusEvent.Cause.ACTIVATION);
+                                            null, FocusEvent.Cause.ACTIVATION);
             }
 
             return retargetUnexpectedFocusEvent(fe);
@@ -2839,9 +2838,9 @@ public abstract class KeyboardFocusManager
                 if (currentFocusOwner != null) {
                     // Call to KeyboardFocusManager.clearGlobalFocusOwner()
                     heavyweightRequests.removeFirst();
-                    return new CausedFocusEvent(currentFocusOwner,
+                    return new FocusEvent(currentFocusOwner,
                                                 FocusEvent.FOCUS_LOST, false, null,
-                                                CausedFocusEvent.Cause.CLEAR_GLOBAL_FOCUS_OWNER);
+                                                FocusEvent.Cause.CLEAR_GLOBAL_FOCUS_OWNER);
                 }
 
                 // Otherwise, fall through to failure case below
@@ -2850,9 +2849,9 @@ public abstract class KeyboardFocusManager
             {
                 // Focus leaving application
                 if (currentFocusOwner != null) {
-                    return new CausedFocusEvent(currentFocusOwner,
+                    return new FocusEvent(currentFocusOwner,
                                                 FocusEvent.FOCUS_LOST,
-                                                true, null, CausedFocusEvent.Cause.ACTIVATION);
+                                                true, null, FocusEvent.Cause.ACTIVATION);
                 } else {
                     return fe;
                 }
@@ -2878,15 +2877,15 @@ public abstract class KeyboardFocusManager
                     ? true
                     : lwFocusRequest.temporary;
 
-                return new CausedFocusEvent(currentFocusOwner, FocusEvent.FOCUS_LOST,
+                return new FocusEvent(currentFocusOwner, FocusEvent.FOCUS_LOST,
                                             temporary, lwFocusRequest.component, lwFocusRequest.cause);
             } else if (focusedWindowChanged(opposite, currentFocusOwner)) {
                 // If top-level changed there might be no focus request in a list
                 // But we know the opposite, we now it is temporary - dispatch the event.
                 if (!fe.isTemporary() && currentFocusOwner != null) {
                     // Create copy of the event with only difference in temporary parameter.
-                    fe = new CausedFocusEvent(currentFocusOwner, FocusEvent.FOCUS_LOST,
+                    fe = new FocusEvent(currentFocusOwner, FocusEvent.FOCUS_LOST,
-                                              true, opposite, CausedFocusEvent.Cause.ACTIVATION);
+                                              true, opposite, FocusEvent.Cause.ACTIVATION);
                 }
                 return fe;
             }

jdk/src/java.desktop/share/classes/java/awt/Window.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1995, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -52,7 +52,6 @@ import javax.accessibility.*;
 import sun.awt.AWTAccessor;
 import sun.awt.AWTPermissions;
 import sun.awt.AppContext;
-import sun.awt.CausedFocusEvent;
 import sun.awt.DebugSettings;
 import sun.awt.SunToolkit;
 import sun.awt.util.IdentityArrayList;
@@ -2599,7 +2598,7 @@ public class Window extends Container implements Accessible {
                 {
                     Component toFocus =
                         KeyboardFocusManager.getMostRecentFocusOwner(owner);
-                    if (toFocus != null && toFocus.requestFocus(false, CausedFocusEvent.Cause.ACTIVATION)) {
+                    if (toFocus != null && toFocus.requestFocus(false, FocusEvent.Cause.ACTIVATION)) {
                         return;
                     }
                 }

jdk/src/java.desktop/share/classes/java/awt/event/FocusEvent.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,6 +26,9 @@
 package java.awt.event;
 
 import java.awt.Component;
+import java.io.ObjectStreamException;
+
+import sun.awt.AWTAccessor;
 import sun.awt.AppContext;
 import sun.awt.SunToolkit;
 
@@ -51,6 +54,10 @@ import sun.awt.SunToolkit;
  * the FOCUS_GAINED and FOCUS_LOST event ids; the level may be distinguished in
  * the event using the isTemporary() method.
  * <p>
+ * Every {@code FocusEvent} records its cause - the reason why this event was
+ * generated. The cause is assigned during the focus event creation and may be
+ * retrieved by calling {@link #getCause}.
+ * <p>
  * An unspecified behavior will be caused if the {@code id} parameter
  * of any particular {@code FocusEvent} instance is not
  * in the range from {@code FOCUS_FIRST} to {@code FOCUS_LAST}.
@@ -65,6 +72,61 @@ import sun.awt.SunToolkit;
  */
 public class FocusEvent extends ComponentEvent {
 
+    /**
+     * This enum represents the cause of a {@code FocusEvent}- the reason why it
+     * occurred. Possible reasons include mouse events, keyboard focus
+     * traversal, window activation.
+     * If no cause is provided then the reason is {@code UNKNOWN}.
+     *
+     * @since 9
+     */
+    public enum Cause {
+        /**
+         * The default value.
+         */
+        UNKNOWN,
+        /**
+         * An activating mouse event.
+         */
+        MOUSE_EVENT,
+        /**
+         * A focus traversal action with unspecified direction.
+         */
+        TRAVERSAL,
+        /**
+         * An up-cycle focus traversal action.
+         */
+        TRAVERSAL_UP,
+        /**
+         * A down-cycle focus traversal action.
+         */
+        TRAVERSAL_DOWN,
+        /**
+         * A forward focus traversal action.
+         */
+        TRAVERSAL_FORWARD,
+        /**
+         * A backward focus traversal action.
+         */
+        TRAVERSAL_BACKWARD,
+        /**
+         * Restoring focus after a focus request has been rejected.
+         */
+        ROLLBACK,
+        /**
+         * A system action causing an unexpected focus change.
+         */
+        UNEXPECTED,
+        /**
+         * An activation of a toplevel window.
+         */
+        ACTIVATION,
+        /**
+         * Clearing global focus owner.
+         */
+        CLEAR_GLOBAL_FOCUS_OWNER
+    }
+
     /**
      * The first number in the range of ids used for focus events.
      */
@@ -85,6 +147,16 @@ public class FocusEvent extends ComponentEvent {
      */
     public static final int FOCUS_LOST = 1 + FOCUS_FIRST; //Event.LOST_FOCUS
 
+    /**
+     * A focus event has the reason why this event was generated.
+     * The cause is set during the focus event creation.
+     *
+     * @serial
+     * @see #getCause()
+     * @since 9
+     */
+    private final Cause cause;
+
     /**
      * A focus event can have two different levels, permanent and temporary.
      * It will be set to true if some operation takes away the focus
@@ -115,7 +187,8 @@ public class FocusEvent extends ComponentEvent {
 
     /**
      * Constructs a {@code FocusEvent} object with the
-     * specified temporary state and opposite {@code Component}.
+     * specified temporary state, opposite {@code Component} and the
+     * {@code Cause.UNKNOWN} cause.
      * The opposite {@code Component} is the other
      * {@code Component} involved in this focus change.
      * For a {@code FOCUS_GAINED} event, this is the
@@ -142,13 +215,57 @@ public class FocusEvent extends ComponentEvent {
      * @see #getID()
      * @see #isTemporary()
      * @see #getOppositeComponent()
+     * @see Cause#UNKNOWN
      * @since 1.4
      */
     public FocusEvent(Component source, int id, boolean temporary,
                       Component opposite) {
+        this(source, id, temporary, opposite, Cause.UNKNOWN);
+    }
+
+    /**
+     * Constructs a {@code FocusEvent} object with the
+     * specified temporary state, opposite {@code Component} and the cause.
+     * The opposite {@code Component} is the other
+     * {@code Component} involved in this focus change.
+     * For a {@code FOCUS_GAINED} event, this is the
+     * {@code Component} that lost focus. For a
+     * {@code FOCUS_LOST} event, this is the {@code Component}
+     * that gained focus. If this focus change occurs with a native
+     * application, with a Java application in a different VM,
+     * or with no other {@code Component}, then the opposite
+     * {@code Component} is {@code null}.
+     * <p> This method throws an
+     * {@code IllegalArgumentException} if {@code source} or {@code cause}
+     * is {@code null}.
+     *
+     * @param source    The {@code Component} that originated the event
+     * @param id        An integer indicating the type of event.
+     *                  For information on allowable values, see
+     *                  the class description for {@link FocusEvent}
+     * @param temporary Equals {@code true} if the focus change is temporary;
+     *                  {@code false} otherwise
+     * @param opposite  The other Component involved in the focus change,
+     *                  or {@code null}
+     * @param cause     The focus event cause.
+     * @throws IllegalArgumentException if {@code source} equals {@code null}
+     *                                  or if {@code cause} equals {@code null}
+     * @see #getSource()
+     * @see #getID()
+     * @see #isTemporary()
+     * @see #getOppositeComponent()
+     * @see Cause
+     * @since 9
+     */
+    public FocusEvent(Component source, int id, boolean temporary,
+                      Component opposite, Cause cause) {
         super(source, id);
+        if (cause == null) {
+            throw new IllegalArgumentException("null cause");
+        }
         this.temporary = temporary;
         this.opposite = opposite;
+        this.cause = cause;
     }
 
     /**
@@ -220,8 +337,8 @@ public class FocusEvent extends ComponentEvent {
 
         return (SunToolkit.targetToAppContext(opposite) ==
                 AppContext.getAppContext())
-            ? opposite
+                ? opposite
-            : null;
+                : null;
     }
 
     /**
@@ -233,17 +350,56 @@ public class FocusEvent extends ComponentEvent {
     public String paramString() {
         String typeStr;
         switch(id) {
-          case FOCUS_GAINED:
+            case FOCUS_GAINED:
-              typeStr = "FOCUS_GAINED";
+                typeStr = "FOCUS_GAINED";
-              break;
+                break;
-          case FOCUS_LOST:
+            case FOCUS_LOST:
-              typeStr = "FOCUS_LOST";
+                typeStr = "FOCUS_LOST";
-              break;
+                break;
-          default:
+            default:
-              typeStr = "unknown type";
+                typeStr = "unknown type";
         }
         return typeStr + (temporary ? ",temporary" : ",permanent") +
-            ",opposite=" + getOppositeComponent();
+                ",opposite=" + getOppositeComponent() + ",cause=" + getCause();
     }
 
-}
+    /**
+     * Returns the event cause.
+     *
+     * @return one of {@link Cause} values
+     * @since 9
+     */
+    public final Cause getCause() {
+        return cause;
+    }
+
+    /**
+     * Checks if this deserialized {@code FocusEvent} instance is compatible
+     * with the current specification which implies that focus event has
+     * non-null {@code cause} value. If the check fails a new {@code FocusEvent}
+     * instance is returned which {@code cause} field equals to
+     * {@link Cause#UNKNOWN} and its other fields have the same values as in
+     * this {@code FocusEvent} instance.
+     *
+     * @serial
+     * @see #cause
+     * @since 9
+     */
+    @SuppressWarnings("serial")
+    Object readResolve() throws ObjectStreamException {
+        if (cause != null) {
+            return this;
+        }
+        FocusEvent focusEvent = new FocusEvent(new Component(){}, getID(),
+                isTemporary(), getOppositeComponent());
+        focusEvent.setSource(null);
+        focusEvent.consumed = consumed;
+
+        AWTAccessor.AWTEventAccessor accessor =
+                AWTAccessor.getAWTEventAccessor();
+        accessor.setBData(focusEvent, accessor.getBData(this));
+        return focusEvent;
+    }
+
+
+}

jdk/src/java.desktop/share/classes/java/awt/peer/ComponentPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1995, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -27,12 +27,12 @@ package java.awt.peer;
 
 import java.awt.*;
 import java.awt.event.PaintEvent;
+import java.awt.event.FocusEvent.Cause;
 import java.awt.image.ColorModel;
 import java.awt.image.ImageObserver;
 import java.awt.image.ImageProducer;
 import java.awt.image.VolatileImage;
 
-import sun.awt.CausedFocusEvent;
 import sun.java2d.pipe.Region;
 
 
@@ -343,7 +343,7 @@ public interface ComponentPeer {
      */
     boolean requestFocus(Component lightweightChild, boolean temporary,
                          boolean focusedWindowChangeAllowed, long time,
-                         CausedFocusEvent.Cause cause);
+                         Cause cause);
 
     /**
      * Returns {@code true} when the component takes part in the focus

jdk/src/java.desktop/share/classes/javax/swing/JComponent.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -3558,7 +3558,7 @@ public abstract class JComponent extends Container implements Serializable,
         new sun.awt.RequestFocusController() {
             public boolean acceptRequestFocus(Component from, Component to,
                                               boolean temporary, boolean focusedWindowChangeAllowed,
-                                              sun.awt.CausedFocusEvent.Cause cause)
+                                              FocusEvent.Cause cause)
             {
                 if ((to == null) || !(to instanceof JComponent)) {
                     return true;

jdk/src/java.desktop/share/classes/sun/awt/AWTAccessor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,6 +29,7 @@ import jdk.internal.misc.Unsafe;
 
 import javax.accessibility.AccessibleContext;
 import java.awt.*;
+import java.awt.event.FocusEvent.Cause;
 import java.awt.dnd.DragSourceContext;
 import java.awt.dnd.DropTargetContext;
 import java.awt.dnd.peer.DragSourceContextPeer;
@@ -104,7 +105,7 @@ public final class AWTAccessor {
         /*
          * Requests focus to the component.
          */
-        boolean requestFocus(Component comp, CausedFocusEvent.Cause cause);
+        boolean requestFocus(Component comp, Cause cause);
         /*
          * Determines if the component can gain focus.
          */
@@ -438,7 +439,7 @@ public final class AWTAccessor {
                                            boolean temporary,
                                            boolean focusedWindowChangeAllowed,
                                            long time,
-                                           CausedFocusEvent.Cause cause);
+                                           Cause cause);
         /**
          * Delivers focus for the lightweight descendant of the heavyweight
          * synchronously.

jdk/src/java.desktop/share/classes/sun/awt/CausedFocusEvent.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -27,17 +27,18 @@ package sun.awt;
 
 import java.awt.event.FocusEvent;
 import java.awt.Component;
+import java.io.ObjectStreamException;
+import java.lang.reflect.Field;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 
 /**
- * This class represents FocusEvents with a known "cause" - reason why this event happened. It can
+ * This class exists for deserialization compatibility only.
- * be mouse press, traversal, activation, and so on - all causes are described as Cause enum. The
- * event with the cause can be constructed in two ways - explicitly through constructor of
- * CausedFocusEvent class or implicitly, by calling appropriate requestFocusXXX method with "cause"
- * parameter. The default cause is UNKNOWN.
  */
-@SuppressWarnings("serial")
+class CausedFocusEvent extends FocusEvent {
-public class CausedFocusEvent extends FocusEvent {
+    private static final long serialVersionUID = -3647309088427840738L;
-    public enum Cause {
+
+    private enum Cause {
         UNKNOWN,
         MOUSE_EVENT,
         TRAVERSAL,
@@ -51,39 +52,82 @@ public class CausedFocusEvent extends FocusEvent {
         NATIVE_SYSTEM,
         ACTIVATION,
         CLEAR_GLOBAL_FOCUS_OWNER,
-        RETARGETED
+        RETARGETED;
     };
 
+    @SuppressWarnings("serial")
+    private static final Component dummy = new Component(){};
+
     private final Cause cause;
 
-    public Cause getCause() {
+    private CausedFocusEvent(Component source, int id, boolean temporary,
-        return cause;
-    }
-
-    public String toString() {
-        return "java.awt.FocusEvent[" + super.paramString() + ",cause=" + cause + "] on " + getSource();
-    }
-
-    public CausedFocusEvent(Component source, int id, boolean temporary,
                             Component opposite, Cause cause) {
         super(source, id, temporary, opposite);
-        if (cause == null) {
+        throw new IllegalStateException();
-            cause = Cause.UNKNOWN;
-        }
-        this.cause = cause;
     }
 
-    /**
+    Object readResolve() throws ObjectStreamException {
-     * Retargets the original focus event to the new target.  If the
+        FocusEvent.Cause newCause;
-     * original focus event is CausedFocusEvent, it remains such and
+        switch (cause) {
-     * cause is copied.  Otherwise, new CausedFocusEvent is created,
+            case UNKNOWN:
-     * with cause as RETARGETED.
+                newCause = FocusEvent.Cause.UNKNOWN;
-     * @return retargeted event, or null if e is null
+                break;
-     */
+            case MOUSE_EVENT:
-    public static FocusEvent retarget(FocusEvent e, Component newSource) {
+                newCause = FocusEvent.Cause.MOUSE_EVENT;
-        if (e == null) return null;
+                break;
+            case TRAVERSAL:
+                newCause = FocusEvent.Cause.TRAVERSAL;
+                break;
+            case TRAVERSAL_UP:
+                newCause = FocusEvent.Cause.TRAVERSAL_UP;
+                break;
+            case TRAVERSAL_DOWN:
+                newCause = FocusEvent.Cause.TRAVERSAL_DOWN;
+                break;
+            case TRAVERSAL_FORWARD:
+                newCause = FocusEvent.Cause.TRAVERSAL_FORWARD;
+                break;
+            case TRAVERSAL_BACKWARD:
+                newCause = FocusEvent.Cause.TRAVERSAL_BACKWARD;
+                break;
+            case ROLLBACK:
+                newCause = FocusEvent.Cause.ROLLBACK;
+                break;
+            case NATIVE_SYSTEM:
+                newCause = FocusEvent.Cause.UNEXPECTED;
+                break;
+            case ACTIVATION:
+                newCause = FocusEvent.Cause.ACTIVATION;
+                break;
+            case CLEAR_GLOBAL_FOCUS_OWNER:
+                newCause = FocusEvent.Cause.CLEAR_GLOBAL_FOCUS_OWNER;
+                break;
+            default:
+                newCause = FocusEvent.Cause.UNKNOWN;
+        }
 
-        return new CausedFocusEvent(newSource, e.getID(), e.isTemporary(), e.getOppositeComponent(),
+        FocusEvent focusEvent = new FocusEvent(dummy, getID(), isTemporary(),
-                                    (e instanceof CausedFocusEvent) ? ((CausedFocusEvent)e).getCause() : Cause.RETARGETED);
+                        getOppositeComponent(), newCause);
+        focusEvent.setSource(null);
+        try {
+            final Field consumedField = FocusEvent.class.getField("consumed");
+            AccessController.doPrivileged(new PrivilegedAction<Object>() {
+                @Override
+                public Object run() {
+                    consumedField.setAccessible(true);
+                    try {
+                        consumedField.set(focusEvent, consumed);
+                    } catch (IllegalAccessException e) {
+                    }
+                    return null;
+                }
+            });
+        } catch (NoSuchFieldException e) {
+        }
+
+        AWTAccessor.AWTEventAccessor accessor =
+                                           AWTAccessor.getAWTEventAccessor();
+        accessor.setBData(focusEvent, accessor.getBData(this));
+        return focusEvent;
     }
 }

jdk/src/java.desktop/share/classes/sun/awt/KeyboardFocusManagerPeerImpl.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -60,8 +60,8 @@ public abstract class KeyboardFocusManagerPeerImpl implements KeyboardFocusManag
                 focusLog.fine("Clearing global focus owner " + focusOwner);
             }
             if (focusOwner != null) {
-                FocusEvent fl = new CausedFocusEvent(focusOwner, FocusEvent.FOCUS_LOST, false, null,
+                FocusEvent fl = new FocusEvent(focusOwner, FocusEvent.FOCUS_LOST, false, null,
-                                                     CausedFocusEvent.Cause.CLEAR_GLOBAL_FOCUS_OWNER);
+                                                     FocusEvent.Cause.CLEAR_GLOBAL_FOCUS_OWNER);
                 SunToolkit.postPriorityEvent(fl);
             }
         }
@@ -110,7 +110,7 @@ public abstract class KeyboardFocusManagerPeerImpl implements KeyboardFocusManag
                                        boolean temporary,
                                        boolean focusedWindowChangeAllowed,
                                        long time,
-                                       CausedFocusEvent.Cause cause,
+                                       FocusEvent.Cause cause,
                                        Component currentFocusOwner) // provided by the descendant peers
     {
         if (lightweightChild == null) {
@@ -122,7 +122,7 @@ public abstract class KeyboardFocusManagerPeerImpl implements KeyboardFocusManag
             currentOwner = null;
         }
         if (currentOwner != null) {
-            FocusEvent fl = new CausedFocusEvent(currentOwner, FocusEvent.FOCUS_LOST,
+            FocusEvent fl = new FocusEvent(currentOwner, FocusEvent.FOCUS_LOST,
                                                  false, lightweightChild, cause);
 
             if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
@@ -131,7 +131,7 @@ public abstract class KeyboardFocusManagerPeerImpl implements KeyboardFocusManag
             SunToolkit.postEvent(SunToolkit.targetToAppContext(currentOwner), fl);
         }
 
-        FocusEvent fg = new CausedFocusEvent(lightweightChild, FocusEvent.FOCUS_GAINED,
+        FocusEvent fg = new FocusEvent(lightweightChild, FocusEvent.FOCUS_GAINED,
                                              false, currentOwner, cause);
 
         if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
@@ -142,7 +142,7 @@ public abstract class KeyboardFocusManagerPeerImpl implements KeyboardFocusManag
     }
 
     // WARNING: Don't call it on the Toolkit thread.
-    public static boolean requestFocusFor(Component target, CausedFocusEvent.Cause cause) {
+    public static boolean requestFocusFor(Component target, FocusEvent.Cause cause) {
         return AWTAccessor.getComponentAccessor().requestFocus(target, cause);
     }
 
@@ -152,7 +152,7 @@ public abstract class KeyboardFocusManagerPeerImpl implements KeyboardFocusManag
                                                      boolean temporary,
                                                      boolean focusedWindowChangeAllowed,
                                                      long time,
-                                                     CausedFocusEvent.Cause cause)
+                                                     FocusEvent.Cause cause)
     {
         return KfmAccessor.instance.shouldNativelyFocusHeavyweight(
             heavyweight, descendant, temporary, focusedWindowChangeAllowed,

jdk/src/java.desktop/share/classes/sun/awt/NullComponentPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -37,7 +37,7 @@ import java.awt.Graphics;
 import java.awt.GraphicsConfiguration;
 import java.awt.Image;
 import java.awt.Insets;
-import java.awt.MenuBar;
+import java.awt.event.FocusEvent.Cause;
 import java.awt.Point;
 import java.awt.Event;
 import java.awt.event.PaintEvent;
@@ -178,7 +178,7 @@ public class NullComponentPeer implements LightweightPeer,
 
     public boolean requestFocus
         (Component lightweightChild, boolean temporary,
-         boolean focusedWindowChangeAllowed, long time, CausedFocusEvent.Cause cause) {
+         boolean focusedWindowChangeAllowed, long time, Cause cause) {
         return false;
     }
 

jdk/src/java.desktop/share/classes/sun/awt/RequestFocusController.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2016 Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,10 +25,11 @@
 package sun.awt;
 
 import java.awt.Component;
+import java.awt.event.FocusEvent.Cause;
 
 public interface RequestFocusController
 {
     public boolean acceptRequestFocus(Component from, Component to,
                                       boolean temporary, boolean focusedWindowChangeAllowed,
-                                      CausedFocusEvent.Cause cause);
+                                      Cause cause);
 }

jdk/src/java.desktop/unix/classes/sun/awt/X11/XComponentPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -287,7 +287,7 @@ public class XComponentPeer extends XWindow implements ComponentPeer, DropTarget
     @SuppressWarnings("deprecation")
     public final boolean requestFocus(Component lightweightChild, boolean temporary,
                                       boolean focusedWindowChangeAllowed, long time,
-                                      CausedFocusEvent.Cause cause)
+                                      FocusEvent.Cause cause)
     {
         if (XKeyboardFocusManagerPeer.
             processSynchronousLightweightTransfer(target, lightweightChild, temporary,
@@ -527,7 +527,7 @@ public class XComponentPeer extends XWindow implements ComponentPeer, DropTarget
 //                       WindowEvent wfg = new WindowEvent(parentWindow, WindowEvent.WINDOW_GAINED_FOCUS);
 //                       parentWindow.dispatchEvent(wfg);
 //                   }
-                  XKeyboardFocusManagerPeer.requestFocusFor(target, CausedFocusEvent.Cause.MOUSE_EVENT);
+                  XKeyboardFocusManagerPeer.requestFocusFor(target, FocusEvent.Cause.MOUSE_EVENT);
               }
               break;
         }

jdk/src/java.desktop/unix/classes/sun/awt/X11/XEmbedCanvasPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -430,13 +430,10 @@ public class XEmbedCanvasPeer extends XCanvasPeer implements WindowFocusListener
         if (isXEmbedActive()) {
             xembedLog.fine("Forwarding FOCUS_GAINED");
             int flavor = XEMBED_FOCUS_CURRENT;
-            if (e instanceof CausedFocusEvent) {
+            if (e.getCause() == FocusEvent.Cause.TRAVERSAL_FORWARD) {
-                CausedFocusEvent ce = (CausedFocusEvent)e;
+                flavor = XEMBED_FOCUS_FIRST;
-                if (ce.getCause() == CausedFocusEvent.Cause.TRAVERSAL_FORWARD) {
+            } else if (e.getCause() == FocusEvent.Cause.TRAVERSAL_BACKWARD) {
-                    flavor = XEMBED_FOCUS_FIRST;
+                flavor = XEMBED_FOCUS_LAST;
-                } else if (ce.getCause() == CausedFocusEvent.Cause.TRAVERSAL_BACKWARD) {
-                    flavor = XEMBED_FOCUS_LAST;
-                }
             }
             xembed.sendMessage(xembed.handle, XEMBED_FOCUS_IN, flavor, 0, 0);
         }

jdk/src/java.desktop/unix/classes/sun/awt/X11/XEmbedChildProxyPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -195,7 +195,7 @@ public class XEmbedChildProxyPeer implements ComponentPeer, XEventDispatcher{
                                 boolean temporary,
                                 boolean focusedWindowChangeAllowed,
                                 long time,
-                                CausedFocusEvent.Cause cause)
+                                FocusEvent.Cause cause)
     {
         int result = XKeyboardFocusManagerPeer
             .shouldNativelyFocusHeavyweight(proxy, lightweightChild,

jdk/src/java.desktop/unix/classes/sun/awt/X11/XKeyboardFocusManagerPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,7 +28,7 @@ import java.awt.Component;
 import java.awt.Window;
 
 import sun.awt.AWTAccessor;
-import sun.awt.CausedFocusEvent;
+import java.awt.event.FocusEvent;
 import sun.awt.KeyboardFocusManagerPeerImpl;
 import sun.util.logging.PlatformLogger;
 
@@ -101,7 +101,7 @@ public class XKeyboardFocusManagerPeer extends KeyboardFocusManagerPeerImpl {
                                        boolean temporary,
                                        boolean focusedWindowChangeAllowed,
                                        long time,
-                                       CausedFocusEvent.Cause cause)
+                                       FocusEvent.Cause cause)
     {
         return KeyboardFocusManagerPeerImpl.deliverFocus(lightweightChild,
                                                          target,

jdk/src/java.desktop/unix/classes/sun/awt/X11/XTextAreaPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -59,7 +59,6 @@ import javax.swing.text.JTextComponent;
 
 import javax.swing.plaf.BorderUIResource;
 import java.awt.im.InputMethodRequests;
-import sun.awt.CausedFocusEvent;
 import sun.awt.AWTAccessor;
 import sun.awt.SunToolkit;
 
@@ -945,14 +944,16 @@ final class XTextAreaPeer extends XComponentPeer implements TextAreaPeer {
 
         void forwardFocusGained( FocusEvent e) {
             isFocused = true;
-            FocusEvent fe = CausedFocusEvent.retarget(e, this);
+            FocusEvent fe = new FocusEvent(this, e.getID(), e.isTemporary(),
+                    e.getOppositeComponent(), e.getCause());
             super.processFocusEvent(fe);
         }
 
 
         void forwardFocusLost( FocusEvent e) {
             isFocused = false;
-            FocusEvent fe = CausedFocusEvent.retarget(e, this);
+            FocusEvent fe = new FocusEvent(this, e.getID(), e.isTemporary(),
+                    e.getOppositeComponent(), e.getCause());
             super.processFocusEvent(fe);
         }
 

jdk/src/java.desktop/unix/classes/sun/awt/X11/XTextFieldPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -54,7 +54,6 @@ import java.awt.im.InputMethodRequests;
 
 import sun.util.logging.PlatformLogger;
 
-import sun.awt.CausedFocusEvent;
 import sun.awt.AWTAccessor;
 
 final class XTextFieldPeer extends XComponentPeer implements TextFieldPeer {
@@ -618,13 +617,15 @@ final class XTextFieldPeer extends XComponentPeer implements TextFieldPeer {
 
         void forwardFocusGained( FocusEvent e) {
             isFocused = true;
-            FocusEvent fe = CausedFocusEvent.retarget(e, this);
+            FocusEvent fe = new FocusEvent(this, e.getID(), e.isTemporary(),
+                    e.getOppositeComponent(), e.getCause());
             super.processFocusEvent(fe);
         }
 
         void forwardFocusLost( FocusEvent e) {
             isFocused = false;
-            FocusEvent fe = CausedFocusEvent.retarget(e, this);
+            FocusEvent fe = new FocusEvent(this, e.getID(), e.isTemporary(),
+                    e.getOppositeComponent(), e.getCause());
             super.processFocusEvent(fe);
 
         }

jdk/src/java.desktop/windows/classes/sun/awt/windows/WComponentPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,7 +28,6 @@ import java.awt.*;
 import java.awt.peer.*;
 import java.awt.image.VolatileImage;
 import sun.awt.RepaintArea;
-import sun.awt.CausedFocusEvent;
 import sun.awt.image.SunVolatileImage;
 import sun.awt.image.ToolkitImage;
 import java.awt.image.BufferedImage;
@@ -321,7 +320,7 @@ public abstract class WComponentPeer extends WObjectPeer
                   WKeyboardFocusManagerPeer.shouldFocusOnClick((Component)target))
               {
                   WKeyboardFocusManagerPeer.requestFocusFor((Component)target,
-                                                            CausedFocusEvent.Cause.MOUSE_EVENT);
+                                                            FocusEvent.Cause.MOUSE_EVENT);
               }
               break;
         }
@@ -687,7 +686,7 @@ public abstract class WComponentPeer extends WObjectPeer
     @Override
     public boolean requestFocus(Component lightweightChild, boolean temporary,
                                 boolean focusedWindowChangeAllowed, long time,
-                                CausedFocusEvent.Cause cause)
+                                FocusEvent.Cause cause)
     {
         if (WKeyboardFocusManagerPeer.
             processSynchronousLightweightTransfer((Component)target, lightweightChild, temporary,

jdk/src/java.desktop/windows/classes/sun/awt/windows/WFileDialogPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,7 @@
 package sun.awt.windows;
 
 import java.awt.*;
+import java.awt.event.FocusEvent.Cause;
 import java.awt.dnd.DropTarget;
 import java.awt.peer.*;
 import java.io.File;
@@ -34,7 +35,6 @@ import java.security.PrivilegedAction;
 import java.util.ResourceBundle;
 import java.util.MissingResourceException;
 import java.util.Vector;
-import sun.awt.CausedFocusEvent;
 import sun.awt.AWTAccessor;
 
 final class WFileDialogPeer extends WWindowPeer implements FileDialogPeer {
@@ -282,7 +282,7 @@ final class WFileDialogPeer extends WWindowPeer implements FileDialogPeer {
     @Override
     public boolean requestFocus
          (Component lightweightChild, boolean temporary,
-          boolean focusedWindowChangeAllowed, long time, CausedFocusEvent.Cause cause)
+          boolean focusedWindowChangeAllowed, long time, Cause cause)
     {
         return false;
     }

jdk/src/java.desktop/windows/classes/sun/awt/windows/WKeyboardFocusManagerPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,7 +32,7 @@ import java.awt.peer.ComponentPeer;
 import sun.awt.AWTAccessor;
 import sun.awt.AWTAccessor.ComponentAccessor;
 import sun.awt.KeyboardFocusManagerPeerImpl;
-import sun.awt.CausedFocusEvent;
+import java.awt.event.FocusEvent.Cause;
 
 final class WKeyboardFocusManagerPeer extends KeyboardFocusManagerPeerImpl {
     static native void setNativeFocusOwner(ComponentPeer peer);
@@ -75,7 +75,7 @@ final class WKeyboardFocusManagerPeer extends KeyboardFocusManagerPeerImpl {
                                        boolean temporary,
                                        boolean focusedWindowChangeAllowed,
                                        long time,
-                                       CausedFocusEvent.Cause cause)
+                                       Cause cause)
     {
         // TODO: do something to eliminate this forwarding
         return KeyboardFocusManagerPeerImpl.deliverFocus(lightweightChild,

jdk/src/java.desktop/windows/classes/sun/awt/windows/WPrintDialogPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,11 +26,11 @@
 package sun.awt.windows;
 
 import java.awt.*;
+import java.awt.event.FocusEvent.Cause;
 import java.awt.peer.DialogPeer;
 import java.awt.peer.ComponentPeer;
 import java.awt.dnd.DropTarget;
 import java.util.Vector;
-import sun.awt.CausedFocusEvent;
 import sun.awt.AWTAccessor;
 
 class WPrintDialogPeer extends WWindowPeer implements DialogPeer {
@@ -153,7 +153,7 @@ class WPrintDialogPeer extends WWindowPeer implements DialogPeer {
     @Override
     public boolean requestFocus
          (Component lightweightChild, boolean temporary,
-          boolean focusedWindowChangeAllowed, long time, CausedFocusEvent.Cause cause)
+          boolean focusedWindowChangeAllowed, long time, Cause cause)
     {
 
         return false;

jdk/src/java.desktop/windows/classes/sun/awt/windows/WWindowPeer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -300,11 +300,11 @@ public class WWindowPeer extends WPanelPeer implements WindowPeer,
         return getNativeWindowSize();
     }
 
-    public boolean requestWindowFocus(CausedFocusEvent.Cause cause) {
+    public boolean requestWindowFocus(FocusEvent.Cause cause) {
         if (!focusAllowedFor()) {
             return false;
         }
-        return requestWindowFocus(cause == CausedFocusEvent.Cause.MOUSE_EVENT);
+        return requestWindowFocus(cause == FocusEvent.Cause.MOUSE_EVENT);
     }
     private native boolean requestWindowFocus(boolean isMouseEventCause);
 

jdk/test/java/awt/Focus/Cause/FocusCauseTest.java

@@ -0,0 +1,224 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+  @test
+  @bug 8080395
+  @summary consider making sun.awt.CausedFocusEvent functionality public
+  @run main FocusCauseTest
+*/
+
+
+import java.awt.*;
+import java.awt.event.FocusEvent.Cause;
+import java.awt.event.FocusEvent;
+import java.awt.event.FocusListener;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.ObjectInputStream;
+import java.lang.IllegalArgumentException;
+import java.lang.Override;
+import java.lang.RuntimeException;
+import java.util.Arrays;
+
+public class FocusCauseTest {
+
+    private static Cause[] causes1 = {Cause.ACTIVATION,
+            Cause.UNKNOWN, Cause.UNKNOWN, Cause.TRAVERSAL_FORWARD,
+            Cause.TRAVERSAL_FORWARD, Cause.TRAVERSAL_BACKWARD,
+            Cause.TRAVERSAL_BACKWARD, Cause.TRAVERSAL_UP,
+            Cause.TRAVERSAL_DOWN, Cause.CLEAR_GLOBAL_FOCUS_OWNER};
+    private static Cause[] causes2 = new Cause[10];
+    private static int cnt;
+
+    static byte[] data =
+            {-84, -19, 0, 5, 115, 114, 0, 24, 115, 117, 110, 46, 97, 119,
+            116, 46, 67, 97, 117, 115, 101, 100, 70, 111, 99, 117, 115, 69, 118,
+            101, 110, 116, -51, 98, 39, -75, 86, 52, 107, 30, 2, 0, 1, 76, 0, 5,
+            99, 97, 117, 115, 101, 116, 0, 32, 76, 115, 117, 110, 47, 97, 119,
+            116, 47, 67, 97, 117, 115, 101, 100, 70, 111, 99, 117, 115, 69, 118,
+            101, 110, 116, 36, 67, 97, 117, 115, 101, 59, 120, 114, 0, 25, 106,
+            97, 118, 97, 46, 97, 119, 116, 46, 101, 118, 101, 110, 116, 46, 70,
+            111, 99, 117, 115, 69, 118, 101, 110, 116, 7, 68, -65, 75, 55, -113,
+            98, -52, 2, 0, 1, 90, 0, 9, 116, 101, 109, 112, 111, 114, 97, 114,
+            121, 120, 114, 0, 29, 106, 97, 118, 97, 46, 97, 119, 116, 46, 101,
+            118, 101, 110, 116, 46, 67, 111, 109, 112, 111, 110, 101, 110, 116,
+            69, 118, 101, 110, 116, 112, 109, -6, -107, 79, -87, -38, 69, 2, 0,
+            0, 120, 114, 0, 17, 106, 97, 118, 97, 46, 97, 119, 116, 46, 65, 87,
+            84, 69, 118, 101, 110, 116, -26, -85, 45, -31, 24, -33, -118, -61,
+            2, 0, 3, 90, 0, 8, 99, 111, 110, 115, 117, 109, 101, 100, 73, 0, 2,
+            105, 100, 91, 0, 5, 98, 100, 97, 116, 97, 116, 0, 2, 91, 66, 120,
+            114, 0, 21, 106, 97, 118, 97, 46, 117, 116, 105, 108, 46, 69, 118,
+            101, 110, 116, 79, 98, 106, 101, 99, 116, 76, -115, 9, 78, 24, 109,
+            125, -88, 2, 0, 0, 120, 112, 0, 0, 0, 3, -20, 112, 0, 126, 114, 0,
+            30, 115, 117, 110, 46, 97, 119, 116, 46, 67, 97, 117, 115, 101, 100,
+            70, 111, 99, 117, 115, 69, 118, 101, 110, 116, 36, 67, 97, 117, 115,
+            101, 0, 0, 0, 0, 0, 0, 0, 0, 18, 0, 0, 120, 114, 0, 14, 106, 97,
+            118, 97, 46, 108, 97, 110, 103, 46, 69, 110, 117, 109, 0, 0, 0, 0,
+            0, 0, 0, 0, 18, 0, 0, 120, 112, 116, 0};
+
+    static byte[] dataOld =
+            {-84, -19, 0, 5, 115, 114, 0, 25, 106, 97, 118, 97, 46, 97, 119,
+            116, 46, 101, 118, 101, 110, 116, 46, 70, 111, 99, 117, 115, 69,
+            118, 101, 110, 116, 7, 68, -65, 75, 55, -113, 98, -52, 2, 0, 1, 90,
+            0, 9, 116, 101, 109, 112, 111, 114, 97, 114, 121, 120, 114, 0, 29,
+            106, 97, 118, 97, 46, 97, 119, 116, 46, 101, 118, 101, 110, 116, 46,
+            67, 111, 109, 112, 111, 110, 101, 110, 116, 69, 118, 101, 110, 116,
+            112, 109, -6, -107, 79, -87, -38, 69, 2, 0, 0, 120, 114, 0, 17, 106,
+            97, 118, 97, 46, 97, 119, 116, 46, 65, 87, 84, 69, 118, 101, 110,
+            116, -26, -85, 45, -31, 24, -33, -118, -61, 2, 0, 3, 90, 0, 8, 99,
+            111, 110, 115, 117, 109, 101, 100, 73, 0, 2, 105, 100, 91, 0, 5, 98,
+            100, 97, 116, 97, 116, 0, 2, 91, 66, 120, 114, 0, 21, 106, 97, 118,
+            97, 46, 117, 116, 105, 108, 46, 69, 118, 101, 110, 116, 79, 98, 106,
+            101, 99, 116, 76, -115, 9, 78, 24, 109, 125, -88, 2, 0, 0, 120, 112,
+            0, 0, 0, 0, 100, 112, 0};
+
+    static String[] causesIn = {"UNKNOWN", "MOUSE_EVENT", "TRAVERSAL",
+            "TRAVERSAL_UP", "TRAVERSAL_DOWN", "TRAVERSAL_FORWARD",
+            "TRAVERSAL_BACKWARD", "MANUAL_REQUEST", "AUTOMATIC_TRAVERSE"
+            ,"ROLLBACK", "NATIVE_SYSTEM", "ACTIVATION",
+            "CLEAR_GLOBAL_FOCUS_OWNER", "RETARGETED"};
+
+    static FocusEvent.Cause[] causesOut = {FocusEvent.Cause.UNKNOWN,
+            FocusEvent.Cause.MOUSE_EVENT,
+            FocusEvent.Cause.TRAVERSAL, FocusEvent.Cause.TRAVERSAL_UP,
+            FocusEvent.Cause.TRAVERSAL_DOWN, FocusEvent.Cause.TRAVERSAL_FORWARD,
+            FocusEvent.Cause.TRAVERSAL_BACKWARD, FocusEvent.Cause.UNKNOWN,
+            FocusEvent.Cause.UNKNOWN, FocusEvent.Cause.ROLLBACK,
+            FocusEvent.Cause.UNEXPECTED, FocusEvent.Cause.ACTIVATION,
+            FocusEvent.Cause.CLEAR_GLOBAL_FOCUS_OWNER, FocusEvent.Cause.UNKNOWN
+    };
+
+    public static void main(String[] args) throws Exception {
+        testCauses();
+        testNullCause();
+        testCausedFocusEventDeserialization();
+        testFocusEventDeserialization();
+        System.out.println("ok");
+    }
+
+    private static void testNullCause() {
+        try {
+            new FocusEvent(new Frame(), FocusEvent.FOCUS_GAINED, true,
+                    null, null);
+            throw new RuntimeException("Exception is not thrown when the " +
+                    "cause is null");
+        } catch (IllegalArgumentException e) {
+        }
+    }
+
+    private static void testCauses() throws Exception {
+        cnt = 0;
+        Frame frame = new Frame();
+        TextField comp1 = new TextField();
+        comp1.addFocusListener(new FocusListener() {
+            @Override
+            public void focusGained(FocusEvent e) {
+                System.out.println(e.getCause());
+                causes2[cnt++] = e.getCause();
+            }
+
+            @Override
+            public void focusLost(FocusEvent e) {
+                System.out.println(e.getCause());
+                causes2[cnt++] = e.getCause();
+            }
+        });
+        TextField comp2 = new TextField();
+        comp2.addFocusListener(new FocusListener() {
+            @Override
+            public void focusGained(FocusEvent e) {
+                System.out.println(e.getCause());
+                causes2[cnt++] = e.getCause();
+            }
+
+            @Override
+            public void focusLost(FocusEvent e) {
+                System.out.println(e.getCause());
+                causes2[cnt++] = e.getCause();
+            }
+        });
+        frame.add(comp1, BorderLayout.NORTH);
+        frame.add(comp2, BorderLayout.SOUTH);
+        frame.setVisible(true);
+
+        Robot robot = new Robot();
+        robot.delay(200);
+        robot.waitForIdle();
+        comp2.requestFocus();
+        robot.waitForIdle();
+        comp2.transferFocus();
+        robot.waitForIdle();
+        comp1.transferFocusBackward();
+        robot.waitForIdle();
+        comp2.transferFocusUpCycle();
+        robot.waitForIdle();
+        frame.transferFocusDownCycle();
+        robot.waitForIdle();
+        frame.dispose();
+        robot.waitForIdle();
+        if (!Arrays.equals(causes1, causes2)) {
+            throw new RuntimeException("wrong cause " + causes2);
+        }
+    }
+
+    private static void  testCausedFocusEventDeserialization() throws
+            Exception {
+        for (int i = 0; i < causesIn.length; i++) {
+            final String causeIn = causesIn[i];
+            ObjectInputStream oi = new ObjectInputStream(new InputStream() {
+                int cnt = 0;
+                @Override
+                public int read() throws IOException {
+                    if(cnt < data.length) {
+                        return data[cnt++];
+                    } else if(cnt == data.length){
+                        cnt++;
+                        return causeIn.length();
+                    } else if(cnt - data.length - 1 < causeIn.length()) {
+                        return causeIn.getBytes()[cnt++ - data.length - 1];
+                    }
+                    return -1;
+                }
+            });
+            FocusEvent ev = (FocusEvent) oi.readObject();
+            System.out.println(ev);
+            if(ev.getCause() != causesOut[i]) {
+                throw new RuntimeException("Wrong cause read :" +ev.getCause());
+            }
+        }
+    }
+
+    private static void testFocusEventDeserialization() throws
+            Exception {
+        ObjectInputStream oi = new ObjectInputStream(
+                new ByteArrayInputStream(dataOld));
+        FocusEvent ev = (FocusEvent)oi.readObject();
+        if(ev.getCause() != FocusEvent.Cause.UNKNOWN) {
+            throw new RuntimeException("Wrong cause in deserialized FocusEvent "
+                    + ev.getCause());
+        }
+    }
+
+}