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diff --git a/sc/source/ui/inc/AccessibleCell.hxx b/sc/source/ui/inc/AccessibleCell.hxx
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+++ b/sc/source/ui/inc/AccessibleCell.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 <memory>
+#include "AccessibleCellBase.hxx"
+#include "viewdata.hxx"
+#include <com/sun/star/accessibility/XAccessibleExtendedAttributes.hpp>
+#include <rtl/ref.hxx>
+#include <editeng/AccessibleStaticTextBase.hxx>
+#include <comphelper/uno3.hxx>
+
+namespace com::sun::star::accessibility { class XAccessibleRelationSet; }
+namespace utl { class AccessibleRelationSetHelper; }
+
+class ScTabViewShell;
+class ScAccessibleDocument;
+
+typedef cppu::ImplHelper1< css::accessibility::XAccessibleExtendedAttributes>
+                    ScAccessibleCellAttributeImpl;
+
+/** @descr
+        This base class provides an implementation of the
+        <code>AccessibleCell</code> service.
+*/
+class ScAccessibleCell
+    :   public  ScAccessibleCellBase,
+        public  accessibility::AccessibleStaticTextBase,
+        public  ScAccessibleCellAttributeImpl
+{
+public:
+    static rtl::Reference<ScAccessibleCell> create(
+        const css::uno::Reference<css::accessibility::XAccessible>& rxParent,
+        ScTabViewShell* pViewShell,
+        const ScAddress& rCellAddress,
+        sal_Int32 nIndex,
+        ScSplitPos eSplitPos,
+        ScAccessibleDocument* pAccDoc);
+
+private:
+    ScAccessibleCell(
+        const css::uno::Reference<css::accessibility::XAccessible>& rxParent,
+        ScTabViewShell* pViewShell,
+        const ScAddress& rCellAddress,
+        sal_Int32 nIndex,
+        ScSplitPos eSplitPos,
+        ScAccessibleDocument* pAccDoc);
+
+    virtual void Init() override;
+
+    using ScAccessibleCellBase::disposing;
+    virtual void SAL_CALL disposing() override;
+
+protected:
+    virtual ~ScAccessibleCell() override;
+
+    using ScAccessibleCellBase::IsDefunc;
+
+public:
+    ///=====  XInterface  =====================================================
+
+    DECLARE_XINTERFACE()
+
+    ///=====  XTypeProvider  ===================================================
+
+    DECLARE_XTYPEPROVIDER()
+
+    ///=====  XAccessibleComponent  ============================================
+
+    virtual css::uno::Reference< css::accessibility::XAccessible >
+        SAL_CALL getAccessibleAtPoint( const css::awt::Point& rPoint ) override;
+
+    virtual void SAL_CALL grabFocus(  ) override;
+
+protected:
+    /// Return the object's current bounding box relative to the desktop.
+    virtual tools::Rectangle GetBoundingBoxOnScreen() const override;
+
+    /// Return the object's current bounding box relative to the parent object.
+    virtual tools::Rectangle GetBoundingBox() const override;
+
+public:
+    ///=====  XAccessibleContext  ==============================================
+
+    /// Return the number of currently visible children.
+    /// override to calculate this on demand
+    virtual sal_Int32 SAL_CALL
+        getAccessibleChildCount() override;
+
+    /// Return the specified child or NULL if index is invalid.
+    /// override to calculate this on demand
+    virtual css::uno::Reference< css::accessibility::XAccessible> SAL_CALL
+        getAccessibleChild(sal_Int32 nIndex) override;
+
+    /// Return the set of current states.
+    virtual css::uno::Reference<
+            css::accessibility::XAccessibleStateSet> SAL_CALL
+        getAccessibleStateSet() override;
+
+    virtual css::uno::Reference<
+        css::accessibility::XAccessibleRelationSet> SAL_CALL
+           getAccessibleRelationSet() override;
+
+    ///=====  XServiceInfo  ====================================================
+
+    /** Returns an identifier for the implementation of this object.
+    */
+    virtual OUString SAL_CALL
+        getImplementationName() override;
+
+    /** Returns a list of all supported services.
+    */
+    virtual css::uno::Sequence< OUString> SAL_CALL
+        getSupportedServiceNames() override;
+
+    virtual css::uno::Any SAL_CALL getExtendedAttributes() override;
+
+    // Override this method to handle cell's ParaIndent attribute specially.
+    virtual css::uno::Sequence< css::beans::PropertyValue > SAL_CALL getCharacterAttributes( sal_Int32 nIndex, const css::uno::Sequence< OUString >& aRequestedAttributes ) override;
+private:
+    ScTabViewShell* mpViewShell;
+    ScAccessibleDocument* mpAccDoc;
+
+    ScSplitPos meSplitPos;
+
+    bool IsDefunc(
+        const css::uno::Reference<css::accessibility::XAccessibleStateSet>& rxParentStates);
+    virtual bool IsEditable(
+        const css::uno::Reference<css::accessibility::XAccessibleStateSet>& rxParentStates) override;
+    bool IsOpaque() const;
+    bool IsFocused() const;
+    bool IsSelected();
+
+    static ScDocument* GetDocument(ScTabViewShell* mpViewShell);
+
+    ::std::unique_ptr< SvxEditSource > CreateEditSource(ScTabViewShell* pViewShell, ScAddress aCell, ScSplitPos eSplitPos);
+
+    void FillDependents(utl::AccessibleRelationSetHelper* pRelationSet);
+    void FillPrecedents(utl::AccessibleRelationSetHelper* pRelationSet);
+    void AddRelation(const ScAddress& rCell,
+        const sal_uInt16 aRelationType,
+        ::utl::AccessibleRelationSetHelper* pRelationSet);
+    void AddRelation(const ScRange& rRange,
+        const sal_uInt16 aRelationType,
+        ::utl::AccessibleRelationSetHelper* pRelationSet);
+    bool IsFormulaMode();
+    bool IsDropdown() const;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */