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

@@ -1065,15 +1065,11 @@
         if (!focusAllowedFor()) {
             focusLog.fine("focus is not allowed");
             return false;
         }
 
-        // Cross-app activation requests are not allowed.
-        if (cause != CausedFocusEvent.Cause.MOUSE_EVENT &&
-            !((LWToolkit)Toolkit.getDefaultToolkit()).isApplicationActive())
-        {
-            focusLog.fine("the app is inactive, so the request is rejected");
+        if (platformWindow.rejectFocusRequest(cause)) {
             return false;
         }
 
         Window currentActive = KeyboardFocusManager.
             getCurrentKeyboardFocusManager().getActiveWindow();