--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/accessibility/mac/AccessibilityObjectMac.mm	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2008 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "config.h"
+#import "AccessibilityObject.h"
+
+#if HAVE(ACCESSIBILITY)
+
+#import "AccessibilityObjectWrapper.h"
+
+namespace WebCore {
+
+bool AccessibilityObject::accessibilityIgnoreAttachment() const
+{
+    NSView* attachment = [wrapper() attachmentView];
+    if (!attachment)
+        return true;
+    
+    return [attachment accessibilityIsIgnored];
+}
+
+AccessibilityObjectInclusion AccessibilityObject::accessibilityPlatformIncludesObject() const
+{
+    if (isMenuListPopup() || isMenuListOption())
+        return IgnoreObject;
+
+    // Never expose an unknown object on the Mac. Clients of the AX API will not know what to do with it.
+    // Special case is when the unknown object is actually an attachment.
+    if (roleValue() == UnknownRole && !isAttachment())
+        return IgnoreObject;
+    
+    return DefaultBehavior;
+}
+    
+} // WebCore
+
+#endif // HAVE(ACCESSIBILITY)