640 lines
19 KiB
C++
640 lines
19 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <scitems.hxx>
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#include <AccessiblePreviewTable.hxx>
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#include <AccessiblePreviewCell.hxx>
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#include <AccessiblePreviewHeaderCell.hxx>
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#include <prevwsh.hxx>
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#include <prevloc.hxx>
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#include <attrib.hxx>
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#include <document.hxx>
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#include <scresid.hxx>
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#include <strings.hrc>
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#include <strings.hxx>
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#include <com/sun/star/accessibility/AccessibleRole.hpp>
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#include <com/sun/star/accessibility/AccessibleStateType.hpp>
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#include <com/sun/star/accessibility/AccessibleEventId.hpp>
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#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
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#include <vcl/window.hxx>
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#include <vcl/svapp.hxx>
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#include <svl/hint.hxx>
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#include <comphelper/sequence.hxx>
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::accessibility;
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//===== internal ============================================================
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ScAccessiblePreviewTable::ScAccessiblePreviewTable( const css::uno::Reference<css::accessibility::XAccessible>& rxParent,
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ScPreviewShell* pViewShell, sal_Int32 nIndex ) :
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ScAccessibleContextBase( rxParent, AccessibleRole::TABLE ),
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mpViewShell( pViewShell ),
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mnIndex( nIndex )
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{
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if (mpViewShell)
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mpViewShell->AddAccessibilityObject(*this);
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}
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ScAccessiblePreviewTable::~ScAccessiblePreviewTable()
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{
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if (!ScAccessibleContextBase::IsDefunc() && !rBHelper.bInDispose)
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{
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// increment refcount to prevent double call off dtor
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osl_atomic_increment( &m_refCount );
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dispose();
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}
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}
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void SAL_CALL ScAccessiblePreviewTable::disposing()
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{
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SolarMutexGuard aGuard;
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if (mpViewShell)
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{
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mpViewShell->RemoveAccessibilityObject(*this);
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mpViewShell = nullptr;
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}
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mpTableInfo.reset();
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ScAccessibleContextBase::disposing();
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}
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//===== SfxListener =====================================================
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void ScAccessiblePreviewTable::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
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{
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const SfxHintId nId = rHint.GetId();
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if ( nId == SfxHintId::DataChanged )
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{
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// column / row layout may change with any document change,
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// so it must be invalidated
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mpTableInfo.reset();
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}
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else if (nId == SfxHintId::ScAccVisAreaChanged)
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{
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AccessibleEventObject aEvent;
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aEvent.EventId = AccessibleEventId::VISIBLE_DATA_CHANGED;
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aEvent.Source = uno::Reference< XAccessibleContext >(this);
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CommitChange(aEvent);
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}
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ScAccessibleContextBase::Notify(rBC, rHint);
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}
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//===== XInterface =====================================================
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uno::Any SAL_CALL ScAccessiblePreviewTable::queryInterface( uno::Type const & rType )
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{
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uno::Any aAny (ScAccessiblePreviewTableImpl::queryInterface(rType));
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return aAny.hasValue() ? aAny : ScAccessibleContextBase::queryInterface(rType);
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}
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void SAL_CALL ScAccessiblePreviewTable::acquire()
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noexcept
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{
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ScAccessibleContextBase::acquire();
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}
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void SAL_CALL ScAccessiblePreviewTable::release()
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noexcept
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{
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ScAccessibleContextBase::release();
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}
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//===== XAccessibleTable ================================================
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sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleRowCount()
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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FillTableInfo();
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sal_Int32 nRet = 0;
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if ( mpTableInfo )
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nRet = mpTableInfo->GetRows();
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return nRet;
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}
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sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleColumnCount()
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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FillTableInfo();
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sal_Int32 nRet = 0;
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if ( mpTableInfo )
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nRet = mpTableInfo->GetCols();
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return nRet;
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}
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OUString SAL_CALL ScAccessiblePreviewTable::getAccessibleRowDescription( sal_Int32 nRow )
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{
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SolarMutexGuard aGuard;
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FillTableInfo();
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if ( nRow < 0 || (mpTableInfo && nRow >= mpTableInfo->GetRows()) )
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throw lang::IndexOutOfBoundsException();
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return OUString();
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}
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OUString SAL_CALL ScAccessiblePreviewTable::getAccessibleColumnDescription( sal_Int32 nColumn )
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{
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SolarMutexGuard aGuard;
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FillTableInfo();
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if ( nColumn < 0 || (mpTableInfo && nColumn >= mpTableInfo->GetCols()) )
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throw lang::IndexOutOfBoundsException();
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return OUString();
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}
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sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleRowExtentAt( sal_Int32 nRow, sal_Int32 nColumn )
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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FillTableInfo();
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sal_Int32 nRows = 1;
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if ( !mpViewShell || !mpTableInfo || nColumn < 0 || nRow < 0 ||
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nColumn >= mpTableInfo->GetCols() || nRow >= mpTableInfo->GetRows() )
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throw lang::IndexOutOfBoundsException();
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const ScPreviewColRowInfo& rColInfo = mpTableInfo->GetColInfo()[nColumn];
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const ScPreviewColRowInfo& rRowInfo = mpTableInfo->GetRowInfo()[nRow];
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if ( rColInfo.bIsHeader || rRowInfo.bIsHeader )
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{
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// header cells only span a single cell
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}
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else
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{
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ScDocument& rDoc = mpViewShell->GetDocument();
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const ScMergeAttr* pItem = rDoc.GetAttr(
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static_cast<SCCOL>(rColInfo.nDocIndex), static_cast<SCROW>(rRowInfo.nDocIndex), mpTableInfo->GetTab(), ATTR_MERGE );
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if ( pItem && pItem->GetRowMerge() > 0 )
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nRows = pItem->GetRowMerge();
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}
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return nRows;
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}
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sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleColumnExtentAt( sal_Int32 nRow, sal_Int32 nColumn )
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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FillTableInfo();
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sal_Int32 nColumns = 1;
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if ( !mpViewShell || !mpTableInfo || nColumn < 0 || nRow < 0 ||
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nColumn >= mpTableInfo->GetCols() || nRow >= mpTableInfo->GetRows() )
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throw lang::IndexOutOfBoundsException();
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const ScPreviewColRowInfo& rColInfo = mpTableInfo->GetColInfo()[nColumn];
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const ScPreviewColRowInfo& rRowInfo = mpTableInfo->GetRowInfo()[nRow];
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if ( rColInfo.bIsHeader || rRowInfo.bIsHeader )
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{
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// header cells only span a single cell
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}
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else
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{
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ScDocument& rDoc = mpViewShell->GetDocument();
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const ScMergeAttr* pItem = rDoc.GetAttr(
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static_cast<SCCOL>(rColInfo.nDocIndex), static_cast<SCROW>(rRowInfo.nDocIndex), mpTableInfo->GetTab(), ATTR_MERGE );
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if ( pItem && pItem->GetColMerge() > 0 )
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nColumns = pItem->GetColMerge();
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}
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return nColumns;
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}
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uno::Reference< XAccessibleTable > SAL_CALL ScAccessiblePreviewTable::getAccessibleRowHeaders()
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{
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//! missing
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return nullptr;
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}
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uno::Reference< XAccessibleTable > SAL_CALL ScAccessiblePreviewTable::getAccessibleColumnHeaders()
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{
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//! missing
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return nullptr;
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}
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uno::Sequence< sal_Int32 > SAL_CALL ScAccessiblePreviewTable::getSelectedAccessibleRows()
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{
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// in the page preview, there is no selection
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return {};
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}
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uno::Sequence< sal_Int32 > SAL_CALL ScAccessiblePreviewTable::getSelectedAccessibleColumns()
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{
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// in the page preview, there is no selection
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return {};
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}
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sal_Bool SAL_CALL ScAccessiblePreviewTable::isAccessibleRowSelected( sal_Int32 nRow )
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{
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// in the page preview, there is no selection
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SolarMutexGuard aGuard;
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FillTableInfo();
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if ( nRow < 0 || (mpTableInfo && nRow >= mpTableInfo->GetRows()) )
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throw lang::IndexOutOfBoundsException();
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return false;
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}
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sal_Bool SAL_CALL ScAccessiblePreviewTable::isAccessibleColumnSelected( sal_Int32 nColumn )
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{
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// in the page preview, there is no selection
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SolarMutexGuard aGuard;
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FillTableInfo();
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if ( nColumn < 0 || (mpTableInfo && nColumn >= mpTableInfo->GetCols()) )
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throw lang::IndexOutOfBoundsException();
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return false;
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}
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uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleCellAt( sal_Int32 nRow, sal_Int32 nColumn )
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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FillTableInfo();
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uno::Reference<XAccessible> xRet;
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if ( mpTableInfo && nColumn >= 0 && nRow >= 0 && nColumn < mpTableInfo->GetCols() && nRow < mpTableInfo->GetRows() )
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{
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// index iterates horizontally
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tools::Long nNewIndex = nRow * mpTableInfo->GetCols() + nColumn;
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const ScPreviewColRowInfo& rColInfo = mpTableInfo->GetColInfo()[nColumn];
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const ScPreviewColRowInfo& rRowInfo = mpTableInfo->GetRowInfo()[nRow];
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ScAddress aCellPos( static_cast<SCCOL>(rColInfo.nDocIndex), static_cast<SCROW>(rRowInfo.nDocIndex), mpTableInfo->GetTab() );
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if ( rColInfo.bIsHeader || rRowInfo.bIsHeader )
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{
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const bool bRotatedColHeader = rRowInfo.bIsHeader;
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const bool bRotatedRowHeader = rColInfo.bIsHeader;
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rtl::Reference<ScAccessiblePreviewHeaderCell> pHeaderCell(new ScAccessiblePreviewHeaderCell(this, mpViewShell, aCellPos,
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bRotatedColHeader, bRotatedRowHeader, nNewIndex));
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xRet = pHeaderCell.get();
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pHeaderCell->Init();
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}
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else
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{
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rtl::Reference<ScAccessiblePreviewCell> pCell(new ScAccessiblePreviewCell( this, mpViewShell, aCellPos, nNewIndex ));
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xRet = pCell.get();
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pCell->Init();
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}
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}
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if ( !xRet.is() )
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throw lang::IndexOutOfBoundsException();
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return xRet;
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}
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uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleCaption()
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{
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//! missing
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return nullptr;
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}
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uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleSummary()
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{
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//! missing
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return nullptr;
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}
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sal_Bool SAL_CALL ScAccessiblePreviewTable::isAccessibleSelected( sal_Int32 nRow, sal_Int32 nColumn )
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{
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// in the page preview, there is no selection
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SolarMutexGuard aGuard;
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IsObjectValid();
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FillTableInfo();
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if ( !mpTableInfo || nColumn < 0 || nRow < 0 || nColumn >= mpTableInfo->GetCols() || nRow >= mpTableInfo->GetRows() )
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throw lang::IndexOutOfBoundsException();
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// index iterates horizontally
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return false;
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}
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sal_Int64 SAL_CALL ScAccessiblePreviewTable::getAccessibleIndex( sal_Int32 nRow, sal_Int32 nColumn )
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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FillTableInfo();
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if ( !mpTableInfo || nColumn < 0 || nRow < 0 || nColumn >= mpTableInfo->GetCols() || nRow >= mpTableInfo->GetRows() )
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throw lang::IndexOutOfBoundsException();
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// index iterates horizontally
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sal_Int64 nRet = static_cast<sal_Int64>(nRow) * static_cast<sal_Int64>(mpTableInfo->GetCols()) + nColumn;
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return nRet;
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}
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sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleRow( sal_Int64 nChildIndex )
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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FillTableInfo();
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if ( !mpTableInfo || nChildIndex < 0 || nChildIndex >= static_cast<sal_Int64>(mpTableInfo->GetRows()) * mpTableInfo->GetCols() )
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throw lang::IndexOutOfBoundsException();
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sal_Int32 nRow = nChildIndex / mpTableInfo->GetCols();
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return nRow;
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}
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sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleColumn( sal_Int64 nChildIndex )
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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FillTableInfo();
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if ( !mpTableInfo || nChildIndex < 0 || nChildIndex >= static_cast<sal_Int64>(mpTableInfo->GetRows()) * mpTableInfo->GetCols() )
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throw lang::IndexOutOfBoundsException();
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sal_Int32 nCol = nChildIndex % static_cast<sal_Int32>(mpTableInfo->GetCols());
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return nCol;
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}
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//===== XAccessibleComponent ============================================
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uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleAtPoint( const awt::Point& aPoint )
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{
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uno::Reference<XAccessible> xRet;
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if (containsPoint(aPoint))
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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FillTableInfo();
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if ( mpTableInfo )
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{
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SCCOL nCols = mpTableInfo->GetCols();
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SCROW nRows = mpTableInfo->GetRows();
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const ScPreviewColRowInfo* pColInfo = mpTableInfo->GetColInfo();
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const ScPreviewColRowInfo* pRowInfo = mpTableInfo->GetRowInfo();
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tools::Rectangle aScreenRect(GetBoundingBox());
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awt::Point aMovedPoint = aPoint;
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aMovedPoint.X += aScreenRect.Left();
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aMovedPoint.Y += aScreenRect.Top();
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if ( nCols > 0 && nRows > 0 && aMovedPoint.X >= pColInfo[0].nPixelStart && aMovedPoint.Y >= pRowInfo[0].nPixelStart )
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{
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SCCOL nColIndex = 0;
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while ( nColIndex < nCols && aMovedPoint.X > pColInfo[nColIndex].nPixelEnd )
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++nColIndex;
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SCROW nRowIndex = 0;
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while ( nRowIndex < nRows && aMovedPoint.Y > pRowInfo[nRowIndex].nPixelEnd )
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++nRowIndex;
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if ( nColIndex < nCols && nRowIndex < nRows )
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{
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try
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{
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xRet = getAccessibleCellAt( nRowIndex, nColIndex );
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}
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catch (uno::Exception&)
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{
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}
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}
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}
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}
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}
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return xRet;
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}
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void SAL_CALL ScAccessiblePreviewTable::grabFocus()
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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if (getAccessibleParent().is())
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{
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uno::Reference<XAccessibleComponent> xAccessibleComponent(getAccessibleParent()->getAccessibleContext(), uno::UNO_QUERY);
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if (xAccessibleComponent.is())
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xAccessibleComponent->grabFocus();
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}
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}
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//===== XAccessibleContext ==============================================
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sal_Int64 SAL_CALL ScAccessiblePreviewTable::getAccessibleChildCount()
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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FillTableInfo();
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tools::Long nRet = 0;
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if ( mpTableInfo )
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nRet = static_cast<sal_Int64>(mpTableInfo->GetCols()) * mpTableInfo->GetRows();
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return nRet;
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}
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uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleChild( sal_Int64 nIndex )
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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FillTableInfo();
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uno::Reference<XAccessible> xRet;
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if ( mpTableInfo )
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{
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sal_Int32 nColumns = mpTableInfo->GetCols();
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if ( nColumns > 0 )
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{
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// nCol, nRow are within the visible table, not the document
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sal_Int32 nCol = nIndex % nColumns;
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sal_Int64 nRow = nIndex / nColumns;
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assert(nRow <= std::numeric_limits<sal_Int32>::max());
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xRet = getAccessibleCellAt( nRow, nCol );
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}
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}
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if ( !xRet.is() )
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throw lang::IndexOutOfBoundsException();
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return xRet;
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}
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sal_Int64 SAL_CALL ScAccessiblePreviewTable::getAccessibleIndexInParent()
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{
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return mnIndex;
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}
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sal_Int64 SAL_CALL ScAccessiblePreviewTable::getAccessibleStateSet()
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{
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SolarMutexGuard aGuard;
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sal_Int64 nParentStates = 0;
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if (getAccessibleParent().is())
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{
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uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
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nParentStates = xParentContext->getAccessibleStateSet();
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}
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sal_Int64 nStateSet = 0;
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if (IsDefunc(nParentStates))
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nStateSet |= AccessibleStateType::DEFUNC;
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else
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{
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nStateSet |= AccessibleStateType::MANAGES_DESCENDANTS;
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nStateSet |= AccessibleStateType::ENABLED;
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nStateSet |= AccessibleStateType::OPAQUE;
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if (isShowing())
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nStateSet |= AccessibleStateType::SHOWING;
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if (isVisible())
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nStateSet |= AccessibleStateType::VISIBLE;
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}
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return nStateSet;
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}
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//===== XServiceInfo ====================================================
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OUString SAL_CALL ScAccessiblePreviewTable::getImplementationName()
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{
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return u"ScAccessiblePreviewTable"_ustr;
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}
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uno::Sequence<OUString> SAL_CALL ScAccessiblePreviewTable::getSupportedServiceNames()
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{
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uno::Sequence< OUString > aSequence = ScAccessibleContextBase::getSupportedServiceNames();
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sal_Int32 nOldSize(aSequence.getLength());
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aSequence.realloc(nOldSize + 1);
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aSequence.getArray()[nOldSize] = "com.sun.star.table.AccessibleTableView";
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|
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return aSequence;
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}
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//===== XTypeProvider ===================================================
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uno::Sequence< uno::Type > SAL_CALL ScAccessiblePreviewTable::getTypes()
|
|
{
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return comphelper::concatSequences(ScAccessiblePreviewTableImpl::getTypes(), ScAccessibleContextBase::getTypes());
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}
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uno::Sequence<sal_Int8> SAL_CALL ScAccessiblePreviewTable::getImplementationId()
|
|
{
|
|
return css::uno::Sequence<sal_Int8>();
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}
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//==== internal =========================================================
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OUString ScAccessiblePreviewTable::createAccessibleDescription()
|
|
{
|
|
return STR_ACC_TABLE_DESCR;
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|
}
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OUString ScAccessiblePreviewTable::createAccessibleName()
|
|
{
|
|
OUString sName(ScResId(STR_ACC_TABLE_NAME));
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|
|
|
if (mpViewShell)
|
|
{
|
|
FillTableInfo();
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|
|
|
if ( mpTableInfo )
|
|
{
|
|
OUString sCoreName;
|
|
if (mpViewShell->GetDocument().GetName( mpTableInfo->GetTab(), sCoreName ))
|
|
sName = sName.replaceFirst("%1", sCoreName);
|
|
}
|
|
}
|
|
|
|
return sName;
|
|
}
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|
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AbsoluteScreenPixelRectangle ScAccessiblePreviewTable::GetBoundingBoxOnScreen() const
|
|
{
|
|
tools::Rectangle aCellRect(GetBoundingBox());
|
|
if (mpViewShell)
|
|
{
|
|
vcl::Window* pWindow = mpViewShell->GetWindow();
|
|
if (pWindow)
|
|
{
|
|
AbsoluteScreenPixelRectangle aRect = pWindow->GetWindowExtentsAbsolute();
|
|
aCellRect.Move(aRect.Left(), aRect.Top());
|
|
}
|
|
}
|
|
return AbsoluteScreenPixelRectangle(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( sal_Int64 nParentStates )
|
|
{
|
|
return ScAccessibleContextBase::IsDefunc() || (mpViewShell == nullptr) || !getAccessibleParent().is() ||
|
|
(nParentStates & 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: */
|