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diff --git a/sc/source/ui/Accessibility/AccessibleTableBase.cxx b/sc/source/ui/Accessibility/AccessibleTableBase.cxx
new file mode 100644
index 000000000..a695f914d
--- /dev/null
+++ b/sc/source/ui/Accessibility/AccessibleTableBase.cxx
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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 <AccessibleTableBase.hxx>
+#include <document.hxx>
+#include <scresid.hxx>
+#include <strings.hrc>
+#include <strings.hxx>
+#include <table.hxx>
+
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/AccessibleTableModelChange.hpp>
+#include <com/sun/star/accessibility/AccessibleEventId.hpp>
+#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
+#include <comphelper/sequence.hxx>
+#include <vcl/svapp.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::accessibility;
+
+//=====  internal  ============================================================
+
+ScAccessibleTableBase::ScAccessibleTableBase(
+        const uno::Reference<XAccessible>& rxParent,
+        ScDocument* pDoc,
+        const ScRange& rRange)
+    :
+    ScAccessibleContextBase (rxParent, AccessibleRole::TABLE),
+    maRange(rRange),
+    mpDoc(pDoc)
+{
+}
+
+ScAccessibleTableBase::~ScAccessibleTableBase()
+{
+}
+
+void SAL_CALL ScAccessibleTableBase::disposing()
+{
+    SolarMutexGuard aGuard;
+    mpDoc = nullptr;
+
+    ScAccessibleContextBase::disposing();
+}
+
+    //=====  XInterface  =====================================================
+
+uno::Any SAL_CALL ScAccessibleTableBase::queryInterface( uno::Type const & rType )
+{
+    if ( rType == cppu::UnoType<XAccessibleTableSelection>::get())
+    {
+        return uno::Any(uno::Reference<XAccessibleTableSelection>(this));
+    }
+    else
+    {
+        uno::Any aAny (ScAccessibleTableBaseImpl::queryInterface(rType));
+        return aAny.hasValue() ? aAny : ScAccessibleContextBase::queryInterface(rType);
+    }
+}
+
+void SAL_CALL ScAccessibleTableBase::acquire()
+    throw ()
+{
+    ScAccessibleContextBase::acquire();
+}
+
+void SAL_CALL ScAccessibleTableBase::release()
+    throw ()
+{
+    ScAccessibleContextBase::release();
+}
+
+    //=====  XAccessibleTable  ================================================
+
+sal_Int32 SAL_CALL ScAccessibleTableBase::getAccessibleRowCount(  )
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+    return maRange.aEnd.Row() - maRange.aStart.Row() + 1;
+}
+
+sal_Int32 SAL_CALL ScAccessibleTableBase::getAccessibleColumnCount(  )
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+    return maRange.aEnd.Col() - maRange.aStart.Col() + 1;
+}
+
+OUString SAL_CALL ScAccessibleTableBase::getAccessibleRowDescription( sal_Int32 nRow )
+{
+    OSL_FAIL("Here should be an implementation to fill the description");
+
+    if ((nRow > (maRange.aEnd.Row() - maRange.aStart.Row())) || (nRow < 0))
+        throw lang::IndexOutOfBoundsException();
+
+    //setAccessibleRowDescription(nRow, xAccessible); // to remember the created Description
+    return OUString();
+}
+
+OUString SAL_CALL ScAccessibleTableBase::getAccessibleColumnDescription( sal_Int32 nColumn )
+{
+    OSL_FAIL("Here should be an implementation to fill the description");
+
+    if ((nColumn > (maRange.aEnd.Col() - maRange.aStart.Col())) || (nColumn < 0))
+        throw lang::IndexOutOfBoundsException();
+
+    //setAccessibleColumnDescription(nColumn, xAccessible); // to remember the created Description
+    return OUString();
+}
+
+sal_Int32 SAL_CALL ScAccessibleTableBase::getAccessibleRowExtentAt( sal_Int32 nRow, sal_Int32 nColumn )
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    if ((nColumn > (maRange.aEnd.Col() - maRange.aStart.Col())) || (nColumn < 0) ||
+        (nRow > (maRange.aEnd.Row() - maRange.aStart.Row())) || (nRow < 0))
+        throw lang::IndexOutOfBoundsException();
+
+    sal_Int32 nCount(1); // the same cell
+    nRow += maRange.aStart.Row();
+    nColumn += maRange.aStart.Col();
+
+    if (mpDoc)
+    {
+        ScTable* pTab = mpDoc->FetchTable(maRange.aStart.Tab());
+        if (pTab)
+        {
+            SCROW nStartRow = static_cast<SCROW>(nRow);
+            SCROW nEndRow   = nStartRow;
+            SCCOL nStartCol = static_cast<SCCOL>(nColumn);
+            SCCOL nEndCol   = nStartCol;
+            if (pTab->ExtendMerge( nStartCol, nStartRow, nEndCol, nEndRow, false))
+            {
+                if (nEndRow > nStartRow)
+                    nCount = nEndRow - nStartRow + 1;
+            }
+        }
+    }
+
+    return nCount;
+}
+
+sal_Int32 SAL_CALL ScAccessibleTableBase::getAccessibleColumnExtentAt( sal_Int32 nRow, sal_Int32 nColumn )
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    if ((nColumn > (maRange.aEnd.Col() - maRange.aStart.Col())) || (nColumn < 0) ||
+        (nRow > (maRange.aEnd.Row() - maRange.aStart.Row())) || (nRow < 0))
+        throw lang::IndexOutOfBoundsException();
+
+    sal_Int32 nCount(1); // the same cell
+    nRow += maRange.aStart.Row();
+    nColumn += maRange.aStart.Col();
+
+    if (mpDoc)
+    {
+        ScTable* pTab = mpDoc->FetchTable(maRange.aStart.Tab());
+        if (pTab)
+        {
+            SCROW nStartRow = static_cast<SCROW>(nRow);
+            SCROW nEndRow   = nStartRow;
+            SCCOL nStartCol = static_cast<SCCOL>(nColumn);
+            SCCOL nEndCol   = nStartCol;
+            if (pTab->ExtendMerge( nStartCol, nStartRow, nEndCol, nEndRow, false))
+            {
+                if (nEndCol > nStartCol)
+                    nCount = nEndCol - nStartCol + 1;
+            }
+        }
+    }
+
+    return nCount;
+}
+
+uno::Reference< XAccessibleTable > SAL_CALL ScAccessibleTableBase::getAccessibleRowHeaders(  )
+{
+    uno::Reference< XAccessibleTable > xAccessibleTable;
+    OSL_FAIL("Here should be an implementation to fill the row headers");
+
+    //CommitChange
+    return xAccessibleTable;
+}
+
+uno::Reference< XAccessibleTable > SAL_CALL ScAccessibleTableBase::getAccessibleColumnHeaders(  )
+{
+    uno::Reference< XAccessibleTable > xAccessibleTable;
+    OSL_FAIL("Here should be an implementation to fill the column headers");
+
+    //CommitChange
+    return xAccessibleTable;
+}
+
+uno::Sequence< sal_Int32 > SAL_CALL ScAccessibleTableBase::getSelectedAccessibleRows(  )
+{
+    OSL_FAIL("not implemented yet");
+    uno::Sequence< sal_Int32 > aSequence;
+    return aSequence;
+}
+
+uno::Sequence< sal_Int32 > SAL_CALL ScAccessibleTableBase::getSelectedAccessibleColumns(  )
+{
+    OSL_FAIL("not implemented yet");
+    uno::Sequence< sal_Int32 > aSequence;
+    return aSequence;
+}
+
+sal_Bool SAL_CALL ScAccessibleTableBase::isAccessibleRowSelected( sal_Int32 /* nRow */ )
+{
+    OSL_FAIL("not implemented yet");
+    return false;
+}
+
+sal_Bool SAL_CALL ScAccessibleTableBase::isAccessibleColumnSelected( sal_Int32 /* nColumn */ )
+{
+    OSL_FAIL("not implemented yet");
+    return false;
+}
+
+uno::Reference< XAccessible > SAL_CALL ScAccessibleTableBase::getAccessibleCellAt( sal_Int32 /* nRow */, sal_Int32 /* nColumn */ )
+{
+    OSL_FAIL("not implemented yet");
+    uno::Reference< XAccessible > xAccessible;
+    return xAccessible;
+}
+
+uno::Reference< XAccessible > SAL_CALL ScAccessibleTableBase::getAccessibleCaption(  )
+{
+    OSL_FAIL("not implemented yet");
+    uno::Reference< XAccessible > xAccessible;
+    return xAccessible;
+}
+
+uno::Reference< XAccessible > SAL_CALL ScAccessibleTableBase::getAccessibleSummary(  )
+{
+    OSL_FAIL("not implemented yet");
+    uno::Reference< XAccessible > xAccessible;
+    return xAccessible;
+}
+
+sal_Bool SAL_CALL ScAccessibleTableBase::isAccessibleSelected( sal_Int32 /* nRow */, sal_Int32 /* nColumn */ )
+{
+    OSL_FAIL("not implemented yet");
+    return false;
+}
+
+// =====  XAccessibleExtendedTable  ========================================
+
+sal_Int32 SAL_CALL ScAccessibleTableBase::getAccessibleIndex( sal_Int32 nRow, sal_Int32 nColumn )
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    if (nRow > (maRange.aEnd.Row() - maRange.aStart.Row()) ||
+        nRow < 0 ||
+        nColumn > (maRange.aEnd.Col() - maRange.aStart.Col()) ||
+        nColumn < 0)
+        throw lang::IndexOutOfBoundsException();
+
+    nRow -= maRange.aStart.Row();
+    nColumn -= maRange.aStart.Col();
+    return (nRow * (maRange.aEnd.Col() + 1)) + nColumn;
+}
+
+sal_Int32 SAL_CALL ScAccessibleTableBase::getAccessibleRow( sal_Int32 nChildIndex )
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    if (nChildIndex >= getAccessibleChildCount() || nChildIndex < 0)
+        throw lang::IndexOutOfBoundsException();
+
+    return nChildIndex / (maRange.aEnd.Col() - maRange.aStart.Col() + 1);
+}
+
+sal_Int32 SAL_CALL ScAccessibleTableBase::getAccessibleColumn( sal_Int32 nChildIndex )
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    if (nChildIndex >= getAccessibleChildCount() || nChildIndex < 0)
+        throw lang::IndexOutOfBoundsException();
+
+    return nChildIndex % static_cast<sal_Int32>(maRange.aEnd.Col() - maRange.aStart.Col() + 1);
+}
+
+// =====  XAccessibleContext  ==============================================
+
+sal_Int32 SAL_CALL ScAccessibleTableBase::getAccessibleChildCount()
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    // FIXME: representing rows & columns this way is a plain and simple madness.
+    // this needs a radical re-think.
+    sal_Int64 nMax = static_cast<sal_Int64>(maRange.aEnd.Row() - maRange.aStart.Row() + 1) *
+                     static_cast<sal_Int64>(maRange.aEnd.Col() - maRange.aStart.Col() + 1);
+    if (nMax > SAL_MAX_INT32)
+        nMax = SAL_MAX_INT32;
+    if (nMax < 0)
+        return 0;
+    return static_cast<sal_Int32>(nMax);
+}
+
+uno::Reference< XAccessible > SAL_CALL
+    ScAccessibleTableBase::getAccessibleChild(sal_Int32 nIndex)
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    if (nIndex >= getAccessibleChildCount() || nIndex < 0)
+        throw lang::IndexOutOfBoundsException();
+
+    // FIXME: representing rows & columns this way is a plain and simple madness.
+    // this needs a radical re-think.
+
+    sal_Int32 nRow(0);
+    sal_Int32 nColumn(0);
+    sal_Int32 nTemp(maRange.aEnd.Col() - maRange.aStart.Col() + 1);
+    nRow = nIndex / nTemp;
+    nColumn = nIndex % nTemp;
+    return getAccessibleCellAt(nRow, nColumn);
+}
+
+OUString
+    ScAccessibleTableBase::createAccessibleDescription()
+{
+    return STR_ACC_TABLE_DESCR;
+}
+
+OUString ScAccessibleTableBase::createAccessibleName()
+{
+    OUString sName(ScResId(STR_ACC_TABLE_NAME));
+    OUString sCoreName;
+    if (mpDoc && mpDoc->GetName( maRange.aStart.Tab(), sCoreName ))
+        sName = sName.replaceFirst("%1", sCoreName);
+    return sName;
+}
+
+uno::Reference<XAccessibleRelationSet> SAL_CALL
+    ScAccessibleTableBase::getAccessibleRelationSet()
+{
+    OSL_FAIL("should be implemented in the abrevated class");
+    return uno::Reference<XAccessibleRelationSet>();
+}
+
+uno::Reference<XAccessibleStateSet> SAL_CALL
+    ScAccessibleTableBase::getAccessibleStateSet()
+{
+    OSL_FAIL("should be implemented in the abrevated class");
+    uno::Reference< XAccessibleStateSet > xAccessibleStateSet;
+    return xAccessibleStateSet;
+}
+
+    ///=====  XAccessibleSelection  ===========================================
+
+void SAL_CALL ScAccessibleTableBase::selectAccessibleChild( sal_Int32 /* nChildIndex */ )
+{
+}
+
+sal_Bool SAL_CALL
+        ScAccessibleTableBase::isAccessibleChildSelected( sal_Int32 nChildIndex )
+{
+    // I don't need to guard, because the called functions have a guard
+    if (nChildIndex < 0 || nChildIndex >= getAccessibleChildCount())
+        throw lang::IndexOutOfBoundsException();
+    return isAccessibleSelected(getAccessibleRow(nChildIndex), getAccessibleColumn(nChildIndex));
+}
+
+void SAL_CALL
+        ScAccessibleTableBase::clearAccessibleSelection(  )
+{
+}
+
+void SAL_CALL ScAccessibleTableBase::selectAllAccessibleChildren()
+{
+}
+
+sal_Int32 SAL_CALL
+        ScAccessibleTableBase::getSelectedAccessibleChildCount(  )
+{
+    return 0;
+}
+
+uno::Reference<XAccessible > SAL_CALL
+        ScAccessibleTableBase::getSelectedAccessibleChild( sal_Int32 /* nSelectedChildIndex */ )
+{
+    uno::Reference < XAccessible > xAccessible;
+    return xAccessible;
+}
+
+void SAL_CALL ScAccessibleTableBase::deselectAccessibleChild( sal_Int32 /* nSelectedChildIndex */ )
+{
+}
+
+    //=====  XServiceInfo  ====================================================
+
+OUString SAL_CALL ScAccessibleTableBase::getImplementationName()
+{
+    return "ScAccessibleTableBase";
+}
+
+    //=====  XTypeProvider  ===================================================
+
+uno::Sequence< uno::Type > SAL_CALL ScAccessibleTableBase::getTypes()
+{
+    return comphelper::concatSequences(ScAccessibleTableBaseImpl::getTypes(), ScAccessibleContextBase::getTypes());
+}
+
+uno::Sequence<sal_Int8> SAL_CALL
+    ScAccessibleTableBase::getImplementationId()
+{
+    return css::uno::Sequence<sal_Int8>();
+}
+
+void ScAccessibleTableBase::CommitTableModelChange(sal_Int32 nStartRow, sal_Int32 nStartCol, sal_Int32 nEndRow, sal_Int32 nEndCol, sal_uInt16 nId)
+{
+    AccessibleTableModelChange aModelChange;
+    aModelChange.FirstRow = nStartRow;
+    aModelChange.FirstColumn = nStartCol;
+    aModelChange.LastRow = nEndRow;
+    aModelChange.LastColumn = nEndCol;
+    aModelChange.Type = nId;
+
+    AccessibleEventObject aEvent;
+    aEvent.EventId = AccessibleEventId::TABLE_MODEL_CHANGED;
+    aEvent.Source = uno::Reference< XAccessibleContext >(this);
+    aEvent.NewValue <<= aModelChange;
+
+    CommitChange(aEvent);
+}
+
+sal_Bool SAL_CALL ScAccessibleTableBase::selectRow( sal_Int32 )
+{
+    return true;
+}
+
+sal_Bool SAL_CALL ScAccessibleTableBase::selectColumn( sal_Int32 )
+{
+    return true;
+}
+
+sal_Bool SAL_CALL ScAccessibleTableBase::unselectRow( sal_Int32 )
+{
+        return true;
+}
+
+sal_Bool SAL_CALL ScAccessibleTableBase::unselectColumn( sal_Int32 )
+{
+    return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */