JBR-2696 Log focus API invocations with stack traces

(cherry picked from commits 0f038754e5, a507cab6d3)

src/java.desktop/macosx/classes/com/apple/eawt/Application.java

@@ -54,6 +54,7 @@ import javax.swing.JMenuBar;
 import sun.awt.AWTAccessor;
 import sun.lwawt.LWWindowPeer;
 import sun.lwawt.macosx.CPlatformWindow;
+import sun.util.logging.PlatformLogger;
 
 /**
  * The {@code Application} class allows you to integrate your Java application with the native Mac OS X environment.
@@ -74,6 +75,8 @@ import sun.lwawt.macosx.CPlatformWindow;
  * @since 1.4
  */
 public class Application {
+    private static final PlatformLogger focusRequestLog = PlatformLogger.getLogger("jb.focus.requests");
+
     private static native void nativeInitializeApplicationDelegate();
 
     static Application sApplication = null;
@@ -296,6 +299,9 @@ public class Application {
      * @since Java for Mac OS X 10.5 Update 6 - 1.6, 1.5
      */
     public void requestForeground(final boolean allWindows) {
+        if (focusRequestLog.isLoggable(PlatformLogger.Level.FINE)) {
+            focusRequestLog.fine("requestForeground(" + (allWindows ? "allWindows" : "") + ")", new Throwable());
+        }
         _AppMiscHandlers.requestActivation(allWindows);
     }
 

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

@@ -96,8 +96,6 @@ import sun.awt.AppContext;
 import sun.awt.ComponentFactory;
 import sun.security.action.GetBooleanAction;
 import sun.security.action.GetPropertyAction;
-import sun.awt.AppContext;
-import sun.awt.AWTAccessor;
 import sun.awt.ConstrainableGraphics;
 import sun.awt.EmbeddedFrame;
 import sun.awt.RequestFocusController;
@@ -113,7 +111,6 @@ import sun.java2d.SunGraphics2D;
 import sun.java2d.SunGraphicsEnvironment;
 import sun.java2d.pipe.Region;
 import sun.java2d.pipe.hw.ExtendedBufferCapabilities;
-import sun.security.action.GetPropertyAction;
 import sun.swing.SwingAccessor;
 import sun.util.logging.PlatformLogger;
 
@@ -227,6 +224,7 @@ public abstract class Component implements ImageObserver, MenuContainer,
     private static final PlatformLogger eventLog = PlatformLogger.getLogger("java.awt.event.Component");
     private static final PlatformLogger focusLog = PlatformLogger.getLogger("java.awt.focus.Component");
     private static final PlatformLogger mixingLog = PlatformLogger.getLogger("java.awt.mixing.Component");
+    private static final PlatformLogger focusRequestLog = PlatformLogger.getLogger("jb.focus.requests");
 
     /**
      * The peer of the component. The peer implements the component's
@@ -7935,6 +7933,12 @@ public abstract class Component implements ImageObserver, MenuContainer,
                                      boolean focusedWindowChangeAllowed,
                                      FocusEvent.Cause cause)
     {
+        if (focusRequestLog.isLoggable(PlatformLogger.Level.FINE)) {
+            focusRequestLog.fine("requestFocus("
+                    + (temporary ? "temporary," : "")
+                    + (focusedWindowChangeAllowed ? "" : "inWindow,")
+                    + cause + ") for " + this, new Throwable());
+        }
         // 1) Check if the event being dispatched is a system-generated mouse event.
         AWTEvent currentEvent = EventQueue.getCurrentEvent();
         if (currentEvent instanceof MouseEvent &&

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

@@ -395,6 +395,7 @@ public class Window extends Container implements Accessible {
     private static final long serialVersionUID = 4497834738069338734L;
 
     private static final PlatformLogger log = PlatformLogger.getLogger("java.awt.Window");
+    private static final PlatformLogger focusRequestLog = PlatformLogger.getLogger("jb.focus.requests");
 
     private static final boolean locationByPlatformProp;
 
@@ -1310,6 +1311,9 @@ public class Window extends Container implements Accessible {
     // This functionality is implemented in a final package-private method
     // to insure that it cannot be overridden by client subclasses.
     final void toFront_NoClientCode() {
+        if (focusRequestLog.isLoggable(PlatformLogger.Level.FINE)) {
+            focusRequestLog.fine("toFront() for" + this, new Throwable());
+        }
         if (visible) {
             WindowPeer peer = (WindowPeer)this.peer;
             if (peer != null) {
@@ -1353,6 +1357,9 @@ public class Window extends Container implements Accessible {
     // This functionality is implemented in a final package-private method
     // to insure that it cannot be overridden by client subclasses.
     final void toBack_NoClientCode() {
+        if (focusRequestLog.isLoggable(PlatformLogger.Level.FINE)) {
+            focusRequestLog.fine("toBack() for " + this, new Throwable());
+        }
         if(isAlwaysOnTop()) {
             try {
                 setAlwaysOnTop(false);