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diff --git a/vcl/osx/a11ycomponentwrapper.mm b/vcl/osx/a11ycomponentwrapper.mm
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+++ b/vcl/osx/a11ycomponentwrapper.mm
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <quartz/utils.h>
+#include "a11ycomponentwrapper.h"
+#include "a11yrolehelper.h"
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+
+using namespace ::com::sun::star::accessibility;
+using namespace ::com::sun::star::awt;
+using namespace ::com::sun::star::uno;
+
+// Wrapper for XAccessibleComponent and XAccessibleExtendedComponent
+
+@implementation AquaA11yComponentWrapper : NSObject
+
++(id)sizeAttributeForElement:(AquaA11yWrapper *)wrapper {
+    Size size = [ wrapper accessibleComponent ] -> getSize();
+    NSSize nsSize = NSMakeSize ( static_cast<float>(size.Width), static_cast<float>(size.Height) );
+    return [ NSValue valueWithSize: nsSize ];
+}
+
+// TODO: should be merged with AquaSalFrame::VCLToCocoa... to a general helper method
++(id)positionAttributeForElement:(AquaA11yWrapper *)wrapper {
+    // VCL coordinates are in upper-left-notation, Cocoa likes it the Cartesian way (lower-left)
+    NSRect screenRect = [ [ NSScreen mainScreen ] frame ];
+    Size size = [ wrapper accessibleComponent ] -> getSize();
+    Point location = [ wrapper accessibleComponent ] -> getLocationOnScreen();
+    NSPoint nsPoint = NSMakePoint ( static_cast<float>(location.X), static_cast<float>( screenRect.size.height - size.Height - location.Y ) );
+    return [ NSValue valueWithPoint: nsPoint ];
+}
+
++(id)descriptionAttributeForElement:(AquaA11yWrapper *)wrapper {
+    if ( [ wrapper accessibleExtendedComponent ] ) {
+        return CreateNSString ( [ wrapper accessibleExtendedComponent ] -> getToolTipText() );
+    } else {
+        return nil;
+    }
+}
+
++(void)addAttributeNamesTo:(NSMutableArray *)attributeNames {
+    NSAutoreleasePool * pool = [ [ NSAutoreleasePool alloc ] init ];
+    [ attributeNames addObjectsFromArray: [ NSArray arrayWithObjects: 
+            NSAccessibilitySizeAttribute, 
+            NSAccessibilityPositionAttribute, 
+            NSAccessibilityFocusedAttribute, 
+            NSAccessibilityEnabledAttribute, 
+            nil ] ];
+    [ pool release ];
+}
+
++(BOOL)isAttributeSettable:(NSString *)attribute forElement:(AquaA11yWrapper *)wrapper {
+    bool isSettable = false;
+    NSAutoreleasePool * pool = [ [ NSAutoreleasePool alloc ] init ];
+    if ( [ attribute isEqualToString: NSAccessibilityFocusedAttribute ] 
+      && ! [ [ AquaA11yRoleHelper getNativeRoleFrom: [ wrapper accessibleContext ] ] isEqualToString: NSAccessibilityScrollBarRole ] 
+      && ! [ [ AquaA11yRoleHelper getNativeRoleFrom: [ wrapper accessibleContext ] ] isEqualToString: NSAccessibilityStaticTextRole ] ) {
+        isSettable = true;
+    }
+    [ pool release ];
+    return isSettable;
+}
+
++(void)setFocusedAttributeForElement:(AquaA11yWrapper *)wrapper to:(id)value {
+    if ( [ value boolValue ] == YES ) {
+        if ( [ wrapper accessibleContext ] -> getAccessibleRole() == AccessibleRole::COMBO_BOX ) {
+            // special treatment for comboboxes: find the corresponding PANEL and set focus to it
+            Reference < XAccessible > rxParent = [ wrapper accessibleContext ] -> getAccessibleParent();
+            if ( rxParent.is() ) {
+                Reference < XAccessibleContext > rxContext = rxParent->getAccessibleContext();
+                if ( rxContext.is() && rxContext -> getAccessibleRole() == AccessibleRole::PANEL ) {
+                    Reference < XAccessibleComponent > rxComponent( rxParent -> getAccessibleContext(), UNO_QUERY );
+                    if ( rxComponent.is() ) {
+                        rxComponent -> grabFocus();
+                    }
+                }
+            }
+        } else {
+            [ wrapper accessibleComponent ] -> grabFocus();
+        }
+    }
+}
+
+@end
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */