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Diffstat (limited to 'sc/source/ui/Accessibility/AccessibleTableBase.cxx')
| -rw-r--r-- | sc/source/ui/Accessibility/AccessibleTableBase.cxx | 470 |
1 files changed, 470 insertions, 0 deletions
diff --git a/sc/source/ui/Accessibility/AccessibleTableBase.cxx b/sc/source/ui/Accessibility/AccessibleTableBase.cxx new file mode 100644 index 000000000..5877c1e36 --- /dev/null +++ b/sc/source/ui/Accessibility/AccessibleTableBase.cxx @@ -0,0 +1,470 @@ +/* -*- 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() + noexcept +{ + ScAccessibleContextBase::acquire(); +} + +void SAL_CALL ScAccessibleTableBase::release() + noexcept +{ + 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: */ |