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diff --git a/sc/source/ui/inc/AccessiblePreviewHeaderCell.hxx b/sc/source/ui/inc/AccessiblePreviewHeaderCell.hxx
new file mode 100644
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+++ b/sc/source/ui/inc/AccessiblePreviewHeaderCell.hxx
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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 .
+ */
+
+#pragma once
+
+#include "AccessibleContextBase.hxx"
+#include <com/sun/star/accessibility/XAccessibleValue.hpp>
+#include <tools/gen.hxx>
+#include <address.hxx>
+#include <cppuhelper/implbase1.hxx>
+
+class ScPreviewShell;
+class ScPreviewTableInfo;
+namespace accessibility {
+    class AccessibleTextHelper;
+}
+
+typedef cppu::ImplHelper1< css::accessibility::XAccessibleValue>
+                    ScAccessiblePreviewHeaderCellImpl;
+
+class ScAccessiblePreviewHeaderCell :
+        public ScAccessibleContextBase,
+        public ScAccessiblePreviewHeaderCellImpl
+{
+public:
+    ScAccessiblePreviewHeaderCell( const css::uno::Reference<css::accessibility::XAccessible>& rxParent,
+                            ScPreviewShell* pViewShell,
+                            const ScAddress& rCellPos, bool bIsColHdr, bool bIsRowHdr,
+                            sal_Int32 nIndex );
+
+protected:
+    virtual ~ScAccessiblePreviewHeaderCell() override;
+
+    using ScAccessibleContextBase::IsDefunc;
+
+public:
+    using ScAccessibleContextBase::disposing;
+     virtual void SAL_CALL disposing() override;
+
+    //=====  SfxListener  =====================================================
+
+    virtual void Notify( SfxBroadcaster& rBC, const SfxHint& rHint ) override;
+
+    ///=====  XInterface  =====================================================
+
+    virtual css::uno::Any SAL_CALL queryInterface(
+        css::uno::Type const & rType ) override;
+
+    virtual void SAL_CALL acquire() noexcept override;
+
+    virtual void SAL_CALL release() noexcept override;
+
+    //=====  XAccessibleValue  ================================================
+
+    virtual css::uno::Any SAL_CALL getCurrentValue() override;
+    virtual sal_Bool SAL_CALL setCurrentValue( const css::uno::Any& aNumber ) override;
+    virtual css::uno::Any SAL_CALL getMaximumValue() override;
+    virtual css::uno::Any SAL_CALL getMinimumValue() override;
+    virtual css::uno::Any SAL_CALL getMinimumIncrement() override;
+
+    //=====  XAccessibleComponent  ============================================
+
+    virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
+                            getAccessibleAtPoint( const css::awt::Point& aPoint ) override;
+    virtual void SAL_CALL   grabFocus() override;
+
+    //=====  XAccessibleContext  ==============================================
+
+    virtual sal_Int32 SAL_CALL getAccessibleChildCount() override;
+    virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
+                            getAccessibleChild( sal_Int32 i ) override;
+    virtual sal_Int32 SAL_CALL getAccessibleIndexInParent() override;
+    virtual css::uno::Reference< css::accessibility::XAccessibleStateSet > SAL_CALL
+                            getAccessibleStateSet() override;
+
+    //=====  XServiceInfo  ====================================================
+
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+    ///=====  XTypeProvider  ===================================================
+
+    virtual css::uno::Sequence< css::uno::Type > SAL_CALL
+        getTypes() override;
+
+    /** Returns an implementation id.
+    */
+    virtual css::uno::Sequence<sal_Int8> SAL_CALL
+        getImplementationId() override;
+
+protected:
+    virtual OUString createAccessibleDescription() override;
+    virtual OUString createAccessibleName() override;
+
+    virtual tools::Rectangle GetBoundingBoxOnScreen() const override;
+    virtual tools::Rectangle GetBoundingBox() const override;
+
+private:
+    ScPreviewShell*     mpViewShell;
+    std::unique_ptr<accessibility::AccessibleTextHelper> mxTextHelper;
+    sal_Int32           mnIndex;
+    ScAddress           maCellPos;
+    bool                mbColumnHeader;
+    bool                mbRowHeader;
+    mutable std::unique_ptr<ScPreviewTableInfo> mpTableInfo;
+
+    bool IsDefunc(
+        const css::uno::Reference<css::accessibility::XAccessibleStateSet>& rxParentStates);
+
+    void CreateTextHelper();
+    void    FillTableInfo() const;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */