Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 641 insertions, 0 deletions

diff --git a/sc/source/ui/Accessibility/AccessiblePreviewTable.cxx b/sc/source/ui/Accessibility/AccessiblePreviewTable.cxx
new file mode 100644
index 000000000..2f2cb48f6
--- /dev/null
+++ b/sc/source/ui/Accessibility/AccessiblePreviewTable.cxx
@@ -0,0 +1,641 @@
+/* -*- 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 <scitems.hxx>
+#include <AccessiblePreviewTable.hxx>
+#include <AccessiblePreviewCell.hxx>
+#include <AccessiblePreviewHeaderCell.hxx>
+#include <prevwsh.hxx>
+#include <prevloc.hxx>
+#include <attrib.hxx>
+#include <document.hxx>
+#include <scresid.hxx>
+#include <strings.hrc>
+#include <strings.hxx>
+
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/AccessibleStateType.hpp>
+#include <com/sun/star/accessibility/AccessibleEventId.hpp>
+#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
+
+#include <vcl/window.hxx>
+#include <vcl/svapp.hxx>
+#include <svl/hint.hxx>
+#include <unotools/accessiblestatesethelper.hxx>
+#include <comphelper/sequence.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::accessibility;
+
+//=====  internal  ============================================================
+
+ScAccessiblePreviewTable::ScAccessiblePreviewTable( const css::uno::Reference<css::accessibility::XAccessible>& rxParent,
+                            ScPreviewShell* pViewShell, sal_Int32 nIndex ) :
+    ScAccessibleContextBase( rxParent, AccessibleRole::TABLE ),
+    mpViewShell( pViewShell ),
+    mnIndex( nIndex )
+{
+    if (mpViewShell)
+        mpViewShell->AddAccessibilityObject(*this);
+}
+
+ScAccessiblePreviewTable::~ScAccessiblePreviewTable()
+{
+    if (!ScAccessibleContextBase::IsDefunc() && !rBHelper.bInDispose)
+    {
+        // increment refcount to prevent double call off dtor
+        osl_atomic_increment( &m_refCount );
+        dispose();
+    }
+}
+
+void SAL_CALL ScAccessiblePreviewTable::disposing()
+{
+    SolarMutexGuard aGuard;
+    if (mpViewShell)
+    {
+        mpViewShell->RemoveAccessibilityObject(*this);
+        mpViewShell = nullptr;
+    }
+
+    mpTableInfo.reset();
+
+    ScAccessibleContextBase::disposing();
+}
+
+//=====  SfxListener  =====================================================
+
+void ScAccessiblePreviewTable::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
+{
+    const SfxHintId nId = rHint.GetId();
+    if ( nId == SfxHintId::DataChanged )
+    {
+        //  column / row layout may change with any document change,
+        //  so it must be invalidated
+        mpTableInfo.reset();
+    }
+    else if (nId == SfxHintId::ScAccVisAreaChanged)
+    {
+        AccessibleEventObject aEvent;
+        aEvent.EventId = AccessibleEventId::VISIBLE_DATA_CHANGED;
+        aEvent.Source = uno::Reference< XAccessibleContext >(this);
+        CommitChange(aEvent);
+    }
+
+    ScAccessibleContextBase::Notify(rBC, rHint);
+}
+
+//=====  XInterface  =====================================================
+
+uno::Any SAL_CALL ScAccessiblePreviewTable::queryInterface( uno::Type const & rType )
+{
+    uno::Any aAny (ScAccessiblePreviewTableImpl::queryInterface(rType));
+    return aAny.hasValue() ? aAny : ScAccessibleContextBase::queryInterface(rType);
+}
+
+void SAL_CALL ScAccessiblePreviewTable::acquire()
+    noexcept
+{
+    ScAccessibleContextBase::acquire();
+}
+
+void SAL_CALL ScAccessiblePreviewTable::release()
+    noexcept
+{
+    ScAccessibleContextBase::release();
+}
+
+//=====  XAccessibleTable  ================================================
+
+sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleRowCount()
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    FillTableInfo();
+
+    sal_Int32 nRet = 0;
+    if ( mpTableInfo )
+        nRet = mpTableInfo->GetRows();
+    return nRet;
+}
+
+sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleColumnCount()
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    FillTableInfo();
+
+    sal_Int32 nRet = 0;
+    if ( mpTableInfo )
+        nRet = mpTableInfo->GetCols();
+    return nRet;
+}
+
+OUString SAL_CALL ScAccessiblePreviewTable::getAccessibleRowDescription( sal_Int32 nRow )
+{
+    SolarMutexGuard aGuard;
+    FillTableInfo();
+    if ( nRow < 0 || (mpTableInfo && nRow >= mpTableInfo->GetRows()) )
+        throw lang::IndexOutOfBoundsException();
+
+    return OUString();
+}
+
+OUString SAL_CALL ScAccessiblePreviewTable::getAccessibleColumnDescription( sal_Int32 nColumn )
+{
+    SolarMutexGuard aGuard;
+    FillTableInfo();
+    if ( nColumn < 0 || (mpTableInfo && nColumn >= mpTableInfo->GetCols()) )
+        throw lang::IndexOutOfBoundsException();
+
+    return OUString();
+}
+
+sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleRowExtentAt( sal_Int32 nRow, sal_Int32 nColumn )
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    FillTableInfo();
+
+    sal_Int32 nRows = 1;
+    if ( !mpViewShell || !mpTableInfo || nColumn < 0 || nRow < 0 ||
+            nColumn >= mpTableInfo->GetCols() || nRow >= mpTableInfo->GetRows() )
+        throw lang::IndexOutOfBoundsException();
+
+    const ScPreviewColRowInfo& rColInfo = mpTableInfo->GetColInfo()[nColumn];
+    const ScPreviewColRowInfo& rRowInfo = mpTableInfo->GetRowInfo()[nRow];
+
+    if ( rColInfo.bIsHeader || rRowInfo.bIsHeader )
+    {
+        //  header cells only span a single cell
+    }
+    else
+    {
+        ScDocument& rDoc = mpViewShell->GetDocument();
+        const ScMergeAttr* pItem = rDoc.GetAttr(
+            static_cast<SCCOL>(rColInfo.nDocIndex), static_cast<SCROW>(rRowInfo.nDocIndex), mpTableInfo->GetTab(), ATTR_MERGE );
+        if ( pItem && pItem->GetRowMerge() > 0 )
+            nRows = pItem->GetRowMerge();
+    }
+
+    return nRows;
+}
+
+sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleColumnExtentAt( sal_Int32 nRow, sal_Int32 nColumn )
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    FillTableInfo();
+
+    sal_Int32 nColumns = 1;
+    if ( !mpViewShell || !mpTableInfo || nColumn < 0 || nRow < 0 ||
+            nColumn >= mpTableInfo->GetCols() || nRow >= mpTableInfo->GetRows() )
+        throw lang::IndexOutOfBoundsException();
+
+    const ScPreviewColRowInfo& rColInfo = mpTableInfo->GetColInfo()[nColumn];
+    const ScPreviewColRowInfo& rRowInfo = mpTableInfo->GetRowInfo()[nRow];
+
+    if ( rColInfo.bIsHeader || rRowInfo.bIsHeader )
+    {
+        //  header cells only span a single cell
+    }
+    else
+    {
+        ScDocument& rDoc = mpViewShell->GetDocument();
+        const ScMergeAttr* pItem = rDoc.GetAttr(
+            static_cast<SCCOL>(rColInfo.nDocIndex), static_cast<SCROW>(rRowInfo.nDocIndex), mpTableInfo->GetTab(), ATTR_MERGE );
+        if ( pItem && pItem->GetColMerge() > 0 )
+            nColumns = pItem->GetColMerge();
+    }
+
+    return nColumns;
+}
+
+uno::Reference< XAccessibleTable > SAL_CALL ScAccessiblePreviewTable::getAccessibleRowHeaders()
+{
+    //! missing
+    return nullptr;
+}
+
+uno::Reference< XAccessibleTable > SAL_CALL ScAccessiblePreviewTable::getAccessibleColumnHeaders()
+{
+    //! missing
+    return nullptr;
+}
+
+uno::Sequence< sal_Int32 > SAL_CALL ScAccessiblePreviewTable::getSelectedAccessibleRows()
+{
+    //  in the page preview, there is no selection
+    return {};
+}
+
+uno::Sequence< sal_Int32 > SAL_CALL ScAccessiblePreviewTable::getSelectedAccessibleColumns()
+{
+    //  in the page preview, there is no selection
+    return {};
+}
+
+sal_Bool SAL_CALL ScAccessiblePreviewTable::isAccessibleRowSelected( sal_Int32 nRow )
+{
+    //  in the page preview, there is no selection
+
+    SolarMutexGuard aGuard;
+    FillTableInfo();
+    if ( nRow < 0 || (mpTableInfo && nRow >= mpTableInfo->GetRows()) )
+        throw lang::IndexOutOfBoundsException();
+
+    return false;
+}
+
+sal_Bool SAL_CALL ScAccessiblePreviewTable::isAccessibleColumnSelected( sal_Int32 nColumn )
+{
+    //  in the page preview, there is no selection
+
+    SolarMutexGuard aGuard;
+    FillTableInfo();
+    if ( nColumn < 0 || (mpTableInfo && nColumn >= mpTableInfo->GetCols()) )
+        throw lang::IndexOutOfBoundsException();
+
+    return false;
+}
+
+uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleCellAt( sal_Int32 nRow, sal_Int32 nColumn )
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    FillTableInfo();
+
+    uno::Reference<XAccessible> xRet;
+    if ( mpTableInfo && nColumn >= 0 && nRow >= 0 && nColumn < mpTableInfo->GetCols() && nRow < mpTableInfo->GetRows() )
+    {
+        //  index iterates horizontally
+        tools::Long nNewIndex = nRow * mpTableInfo->GetCols() + nColumn;
+
+        const ScPreviewColRowInfo& rColInfo = mpTableInfo->GetColInfo()[nColumn];
+        const ScPreviewColRowInfo& rRowInfo = mpTableInfo->GetRowInfo()[nRow];
+
+        ScAddress aCellPos( static_cast<SCCOL>(rColInfo.nDocIndex), static_cast<SCROW>(rRowInfo.nDocIndex), mpTableInfo->GetTab() );
+        if ( rColInfo.bIsHeader || rRowInfo.bIsHeader )
+        {
+            const bool bRotatedColHeader = rRowInfo.bIsHeader;
+            const bool bRotatedRowHeader = rColInfo.bIsHeader;
+            rtl::Reference<ScAccessiblePreviewHeaderCell> pHeaderCell(new ScAccessiblePreviewHeaderCell(this, mpViewShell, aCellPos,
+                                        bRotatedColHeader, bRotatedRowHeader, nNewIndex));
+            xRet = pHeaderCell.get();
+            pHeaderCell->Init();
+        }
+        else
+        {
+            rtl::Reference<ScAccessiblePreviewCell> pCell(new ScAccessiblePreviewCell( this, mpViewShell, aCellPos, nNewIndex ));
+            xRet = pCell.get();
+            pCell->Init();
+        }
+    }
+
+    if ( !xRet.is() )
+        throw lang::IndexOutOfBoundsException();
+
+    return xRet;
+}
+
+uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleCaption()
+{
+    //! missing
+    return nullptr;
+}
+
+uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleSummary()
+{
+    //! missing
+    return nullptr;
+}
+
+sal_Bool SAL_CALL ScAccessiblePreviewTable::isAccessibleSelected( sal_Int32 nRow, sal_Int32 nColumn )
+{
+    //  in the page preview, there is no selection
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    FillTableInfo();
+
+    if ( !mpTableInfo || nColumn < 0 || nRow < 0 || nColumn >= mpTableInfo->GetCols() || nRow >= mpTableInfo->GetRows() )
+        throw lang::IndexOutOfBoundsException();
+
+    //  index iterates horizontally
+    return false;
+}
+
+sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleIndex( sal_Int32 nRow, sal_Int32 nColumn )
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    FillTableInfo();
+
+    if ( !mpTableInfo || nColumn < 0 || nRow < 0 || nColumn >= mpTableInfo->GetCols() || nRow >= mpTableInfo->GetRows() )
+        throw lang::IndexOutOfBoundsException();
+
+    //  index iterates horizontally
+    sal_Int32 nRet = nRow * mpTableInfo->GetCols() + nColumn;
+    return nRet;
+}
+
+sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleRow( sal_Int32 nChildIndex )
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    FillTableInfo();
+
+    if ( !mpTableInfo || nChildIndex < 0 || nChildIndex >= static_cast<sal_Int32>(mpTableInfo->GetRows()) * mpTableInfo->GetCols() )
+        throw lang::IndexOutOfBoundsException();
+
+    sal_Int32 nRow = nChildIndex / mpTableInfo->GetCols();
+    return nRow;
+}
+
+sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleColumn( sal_Int32 nChildIndex )
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    FillTableInfo();
+
+    if ( !mpTableInfo || nChildIndex < 0 || nChildIndex >= static_cast<sal_Int32>(mpTableInfo->GetRows()) * mpTableInfo->GetCols() )
+        throw lang::IndexOutOfBoundsException();
+
+    sal_Int32 nCol = nChildIndex % static_cast<sal_Int32>(mpTableInfo->GetCols());
+    return nCol;
+}
+
+//=====  XAccessibleComponent  ============================================
+
+uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleAtPoint( const awt::Point& aPoint )
+{
+    uno::Reference<XAccessible> xRet;
+    if (containsPoint(aPoint))
+    {
+        SolarMutexGuard aGuard;
+        IsObjectValid();
+
+        FillTableInfo();
+
+        if ( mpTableInfo )
+        {
+            SCCOL nCols = mpTableInfo->GetCols();
+            SCROW nRows = mpTableInfo->GetRows();
+            const ScPreviewColRowInfo* pColInfo = mpTableInfo->GetColInfo();
+            const ScPreviewColRowInfo* pRowInfo = mpTableInfo->GetRowInfo();
+
+            tools::Rectangle aScreenRect(GetBoundingBox());
+
+            awt::Point aMovedPoint = aPoint;
+            aMovedPoint.X += aScreenRect.Left();
+            aMovedPoint.Y += aScreenRect.Top();
+
+            if ( nCols > 0 && nRows > 0 && aMovedPoint.X >= pColInfo[0].nPixelStart && aMovedPoint.Y >= pRowInfo[0].nPixelStart )
+            {
+                SCCOL nColIndex = 0;
+                while ( nColIndex < nCols && aMovedPoint.X > pColInfo[nColIndex].nPixelEnd )
+                    ++nColIndex;
+                SCROW nRowIndex = 0;
+                while ( nRowIndex < nRows && aMovedPoint.Y > pRowInfo[nRowIndex].nPixelEnd )
+                    ++nRowIndex;
+                if ( nColIndex < nCols && nRowIndex < nRows )
+                {
+                    try
+                    {
+                        xRet = getAccessibleCellAt( nRowIndex, nColIndex );
+                    }
+                    catch (uno::Exception&)
+                    {
+                    }
+                }
+            }
+        }
+    }
+
+    return xRet;
+}
+
+void SAL_CALL ScAccessiblePreviewTable::grabFocus()
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+    if (getAccessibleParent().is())
+    {
+        uno::Reference<XAccessibleComponent> xAccessibleComponent(getAccessibleParent()->getAccessibleContext(), uno::UNO_QUERY);
+        if (xAccessibleComponent.is())
+            xAccessibleComponent->grabFocus();
+    }
+}
+
+//=====  XAccessibleContext  ==============================================
+
+sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleChildCount()
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    FillTableInfo();
+
+    tools::Long nRet = 0;
+    if ( mpTableInfo )
+        nRet = static_cast<sal_Int32>(mpTableInfo->GetCols()) * mpTableInfo->GetRows();
+    return nRet;
+}
+
+uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleChild( sal_Int32 nIndex )
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    FillTableInfo();
+
+    uno::Reference<XAccessible> xRet;
+    if ( mpTableInfo )
+    {
+        sal_Int32 nColumns = mpTableInfo->GetCols();
+        if ( nColumns > 0 )
+        {
+            // nCol, nRow are within the visible table, not the document
+            sal_Int32 nCol = nIndex % nColumns;
+            sal_Int32 nRow = nIndex / nColumns;
+
+            xRet = getAccessibleCellAt( nRow, nCol );
+        }
+    }
+
+    if ( !xRet.is() )
+        throw lang::IndexOutOfBoundsException();
+
+    return xRet;
+}
+
+sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleIndexInParent()
+{
+    return mnIndex;
+}
+
+uno::Reference< XAccessibleStateSet > SAL_CALL ScAccessiblePreviewTable::getAccessibleStateSet()
+{
+    SolarMutexGuard aGuard;
+    uno::Reference<XAccessibleStateSet> xParentStates;
+    if (getAccessibleParent().is())
+    {
+        uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
+        xParentStates = xParentContext->getAccessibleStateSet();
+    }
+    rtl::Reference<utl::AccessibleStateSetHelper> pStateSet = new utl::AccessibleStateSetHelper();
+    if (IsDefunc(xParentStates))
+        pStateSet->AddState(AccessibleStateType::DEFUNC);
+    else
+    {
+        pStateSet->AddState(AccessibleStateType::MANAGES_DESCENDANTS);
+        pStateSet->AddState(AccessibleStateType::ENABLED);
+        pStateSet->AddState(AccessibleStateType::OPAQUE);
+        if (isShowing())
+            pStateSet->AddState(AccessibleStateType::SHOWING);
+        if (isVisible())
+            pStateSet->AddState(AccessibleStateType::VISIBLE);
+    }
+    return pStateSet;
+}
+
+//=====  XServiceInfo  ====================================================
+
+OUString SAL_CALL ScAccessiblePreviewTable::getImplementationName()
+{
+    return "ScAccessiblePreviewTable";
+}
+
+uno::Sequence<OUString> SAL_CALL ScAccessiblePreviewTable::getSupportedServiceNames()
+{
+    uno::Sequence< OUString > aSequence = ScAccessibleContextBase::getSupportedServiceNames();
+    sal_Int32 nOldSize(aSequence.getLength());
+    aSequence.realloc(nOldSize + 1);
+
+    aSequence.getArray()[nOldSize] = "com.sun.star.table.AccessibleTableView";
+
+    return aSequence;
+}
+
+//=====  XTypeProvider  ===================================================
+
+uno::Sequence< uno::Type > SAL_CALL ScAccessiblePreviewTable::getTypes()
+{
+    return comphelper::concatSequences(ScAccessiblePreviewTableImpl::getTypes(), ScAccessibleContextBase::getTypes());
+}
+
+uno::Sequence<sal_Int8> SAL_CALL ScAccessiblePreviewTable::getImplementationId()
+{
+    return css::uno::Sequence<sal_Int8>();
+}
+
+//====  internal  =========================================================
+
+OUString ScAccessiblePreviewTable::createAccessibleDescription()
+{
+    return STR_ACC_TABLE_DESCR;
+}
+
+OUString ScAccessiblePreviewTable::createAccessibleName()
+{
+    OUString sName(ScResId(STR_ACC_TABLE_NAME));
+
+    if (mpViewShell)
+    {
+        FillTableInfo();
+
+        if ( mpTableInfo )
+        {
+            OUString sCoreName;
+            if (mpViewShell->GetDocument().GetName( mpTableInfo->GetTab(), sCoreName ))
+                sName = sName.replaceFirst("%1", sCoreName);
+        }
+    }
+
+    return sName;
+}
+
+tools::Rectangle ScAccessiblePreviewTable::GetBoundingBoxOnScreen() const
+{
+    tools::Rectangle aCellRect(GetBoundingBox());
+    if (mpViewShell)
+    {
+        vcl::Window* pWindow = mpViewShell->GetWindow();
+        if (pWindow)
+        {
+            tools::Rectangle aRect = pWindow->GetWindowExtentsRelative(nullptr);
+            aCellRect.Move(aRect.Left(), aRect.Top());
+        }
+    }
+    return aCellRect;
+}
+
+tools::Rectangle ScAccessiblePreviewTable::GetBoundingBox() const
+{
+    FillTableInfo();
+
+    tools::Rectangle aRect;
+    if ( mpTableInfo )
+    {
+        SCCOL nColumns = mpTableInfo->GetCols();
+        SCROW nRows = mpTableInfo->GetRows();
+        if ( nColumns > 0 && nRows > 0 )
+        {
+            const ScPreviewColRowInfo* pColInfo = mpTableInfo->GetColInfo();
+            const ScPreviewColRowInfo* pRowInfo = mpTableInfo->GetRowInfo();
+
+            aRect = tools::Rectangle( pColInfo[0].nPixelStart,
+                               pRowInfo[0].nPixelStart,
+                               pColInfo[nColumns-1].nPixelEnd,
+                               pRowInfo[nRows-1].nPixelEnd );
+        }
+    }
+    return aRect;
+}
+
+bool ScAccessiblePreviewTable::IsDefunc( const uno::Reference<XAccessibleStateSet>& rxParentStates )
+{
+    return ScAccessibleContextBase::IsDefunc() || (mpViewShell == nullptr) || !getAccessibleParent().is() ||
+        (rxParentStates.is() && rxParentStates->contains(AccessibleStateType::DEFUNC));
+}
+
+void ScAccessiblePreviewTable::FillTableInfo() const
+{
+    if ( mpViewShell && !mpTableInfo )
+    {
+        Size aOutputSize;
+        vcl::Window* pWindow = mpViewShell->GetWindow();
+        if ( pWindow )
+            aOutputSize = pWindow->GetOutputSizePixel();
+        tools::Rectangle aVisRect( Point(), aOutputSize );
+
+        mpTableInfo.reset( new ScPreviewTableInfo );
+        mpViewShell->GetLocationData().GetTableInfo( aVisRect, *mpTableInfo );
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */