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Diffstat (limited to 'accessibility/source/extended/AccessibleGridControlTable.cxx')
| -rw-r--r-- | accessibility/source/extended/AccessibleGridControlTable.cxx | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/accessibility/source/extended/AccessibleGridControlTable.cxx b/accessibility/source/extended/AccessibleGridControlTable.cxx new file mode 100644 index 0000000000..11f0f0a1d5 --- /dev/null +++ b/accessibility/source/extended/AccessibleGridControlTable.cxx @@ -0,0 +1,399 @@ +/* -*- 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 <com/sun/star/accessibility/AccessibleEventId.hpp> +#include <com/sun/star/accessibility/AccessibleTableModelChange.hpp> +#include <com/sun/star/accessibility/AccessibleTableModelChangeType.hpp> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> +#include <extended/AccessibleGridControlTable.hxx> +#include <extended/AccessibleGridControlTableCell.hxx> +#include <toolkit/helper/convert.hxx> +#include <vcl/accessibletable.hxx> +#include <vcl/svapp.hxx> +#include <tools/debug.hxx> + +using ::com::sun::star::uno::Reference; +using ::com::sun::star::uno::Sequence; +using ::com::sun::star::uno::Any; + +using namespace ::com::sun::star; +using namespace ::com::sun::star::accessibility; +using namespace ::vcl; +using namespace ::vcl::table; + + +namespace accessibility { + + +AccessibleGridControlTable::AccessibleGridControlTable( + const Reference< XAccessible >& rxParent, + IAccessibleTable& rTable) : + AccessibleGridControlTableBase(rxParent, rTable, AccessibleTableControlObjType::TABLE) +{ +} + +// XAccessibleContext --------------------------------------------------------- + +Reference< XAccessible > SAL_CALL +AccessibleGridControlTable::getAccessibleChild( sal_Int64 nChildIndex ) +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + ensureIsValidIndex( nChildIndex ); + sal_Int64 nCount = getAccessibleChildCount(); + if(m_aCellVector.empty() || m_aCellVector.size() != static_cast<unsigned>(nCount)) + { + assert(o3tl::make_unsigned(nCount) < m_aCellVector.max_size()); + m_aCellVector.resize(nCount); + } + if(!m_aCellVector[nChildIndex].is()) + { + rtl::Reference<AccessibleGridControlTableCell> pCell = new AccessibleGridControlTableCell(this, m_aTable, nChildIndex/m_aTable.GetColumnCount(), nChildIndex%m_aTable.GetColumnCount()); + m_aCellVector[nChildIndex] = pCell; + } + return m_aCellVector[nChildIndex]; +} + +sal_Int64 SAL_CALL AccessibleGridControlTable::getAccessibleIndexInParent() +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + if(m_aTable.HasRowHeader() && m_aTable.HasColHeader()) + return 0; + else if((!m_aTable.HasRowHeader() && m_aTable.HasColHeader()) || (m_aTable.HasRowHeader() && !m_aTable.HasColHeader()) ) + return 1; + else + return 2; +} + +// XAccessibleComponent ------------------------------------------------------- + +Reference< XAccessible > SAL_CALL +AccessibleGridControlTable::getAccessibleAtPoint( const awt::Point& rPoint ) +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + + Reference< XAccessible > xChild; + sal_Int32 nRow = 0; + sal_Int32 nColumnPos = 0; + if( m_aTable.ConvertPointToCellAddress( nRow, nColumnPos, VCLPoint( rPoint ) ) ) + xChild = new AccessibleGridControlTableCell(this, m_aTable, nRow, nColumnPos); + return xChild; +} + +void SAL_CALL AccessibleGridControlTable::grabFocus() +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + m_aTable.GrabFocus(); +} + +// XAccessibleTable ----------------------------------------------------------- + +OUString SAL_CALL AccessibleGridControlTable::getAccessibleRowDescription( sal_Int32 nRow ) +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + ensureIsValidRow( nRow ); + return "row description"; +} + +OUString SAL_CALL AccessibleGridControlTable::getAccessibleColumnDescription( sal_Int32 nColumn ) +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + ensureIsValidColumn( nColumn ); + return "col description"; +} + +Reference< XAccessibleTable > SAL_CALL AccessibleGridControlTable::getAccessibleRowHeaders() +{ + SolarMutexGuard g; + + ensureIsAlive(); + if(m_aTable.HasColHeader()) + return implGetHeaderBar( 1 ); + else + return implGetHeaderBar( 0 ); +} + +Reference< XAccessibleTable > SAL_CALL AccessibleGridControlTable::getAccessibleColumnHeaders() +{ + SolarMutexGuard g; + + ensureIsAlive(); + return implGetHeaderBar( 0 ); +} + +Sequence< sal_Int32 > SAL_CALL AccessibleGridControlTable::getSelectedAccessibleRows() +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + Sequence< sal_Int32 > aSelSeq; + implGetSelectedRows( aSelSeq ); + return aSelSeq; +} + +//columns aren't selectable +Sequence< sal_Int32 > SAL_CALL AccessibleGridControlTable::getSelectedAccessibleColumns() +{ + return {}; +} + +sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleRowSelected( sal_Int32 nRow ) +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + ensureIsValidRow( nRow ); + Sequence< sal_Int32 > selectedRows = getSelectedAccessibleRows(); + return comphelper::findValue(selectedRows, nRow) != -1; +} + +//columns aren't selectable +sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleColumnSelected( sal_Int32 ) +{ + return false; +} + +Reference< XAccessible > SAL_CALL AccessibleGridControlTable::getAccessibleCellAt( + sal_Int32 nRow, sal_Int32 nColumn ) +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + ensureIsValidAddress( nRow, nColumn ); + sal_Int64 nChildIndex = static_cast<sal_Int64>(nRow) * static_cast<sal_Int64>(m_aTable.GetColumnCount()) + nColumn; + return getAccessibleChild(nChildIndex); +} + +sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleSelected( + sal_Int32 nRow, sal_Int32 nColumn ) +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + ensureIsValidAddress( nRow, nColumn ); + //selection of single cells not possible, so if row is selected, the cell will be selected too + return isAccessibleRowSelected(nRow); +} +void SAL_CALL AccessibleGridControlTable::selectAccessibleChild( sal_Int64 nChildIndex ) +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + ensureIsValidIndex( nChildIndex ); + sal_Int32 nColumns = m_aTable.GetColumnCount(); + sal_Int32 nRow = nChildIndex / nColumns; + m_aTable.SelectRow( nRow, true ); +} +sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleChildSelected( sal_Int64 nChildIndex ) +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + ensureIsValidIndex( nChildIndex ); + sal_Int32 nColumns = m_aTable.GetColumnCount(); + sal_Int32 nRow = nChildIndex / nColumns; + return isAccessibleRowSelected(nRow); +} +void SAL_CALL AccessibleGridControlTable::clearAccessibleSelection() +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + m_aTable.SelectAllRows( false ); +} +void SAL_CALL AccessibleGridControlTable::selectAllAccessibleChildren() +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + Sequence< sal_Int32 > selectedRows = getSelectedAccessibleRows(); + auto selectedRowsRange = asNonConstRange(selectedRows); + for(tools::Long i=0; i<m_aTable.GetRowCount(); i++) + selectedRowsRange[i]=i; +} +sal_Int64 SAL_CALL AccessibleGridControlTable::getSelectedAccessibleChildCount() +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + Sequence< sal_Int32 > selectedRows = getSelectedAccessibleRows(); + sal_Int32 nColumns = m_aTable.GetColumnCount(); + return static_cast<sal_Int64>(selectedRows.getLength()) * static_cast<sal_Int64>(nColumns); +} +Reference< XAccessible > SAL_CALL +AccessibleGridControlTable::getSelectedAccessibleChild( sal_Int64 nSelectedChildIndex ) +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); + if (nSelectedChildIndex < 0 || nSelectedChildIndex >= getSelectedAccessibleChildCount()) + throw lang::IndexOutOfBoundsException("Invalid index into selection", *this); + + const sal_Int32 nColCount = getAccessibleColumnCount(); + assert(nColCount > 0 && "Column count non-positive, but child count > 0"); + const sal_Int32 nIndexInSelectedRowsSequence = nSelectedChildIndex / nColCount; + const Sequence<sal_Int32> aSelectedRows = getSelectedAccessibleRows(); + const sal_Int32 nRowIndex = aSelectedRows[nIndexInSelectedRowsSequence]; + const sal_Int32 nColIndex = nSelectedChildIndex % nColCount; + return getAccessibleCellAt(nRowIndex, nColIndex); +} +//not implemented yet, because only row selection possible +void SAL_CALL AccessibleGridControlTable::deselectAccessibleChild( + sal_Int64 ) +{ + SolarMutexGuard aSolarGuard; + + ensureIsAlive(); +} +// XInterface ----------------------------------------------------------------- + +Any SAL_CALL AccessibleGridControlTable::queryInterface( const uno::Type& rType ) +{ + Any aAny( AccessibleGridControlTableBase::queryInterface( rType ) ); + return aAny.hasValue() ? + aAny : AccessibleGridControlTableSelectionImplHelper::queryInterface( rType ); +} + +void SAL_CALL AccessibleGridControlTable::acquire() noexcept +{ + AccessibleGridControlTableBase::acquire(); +} + +void SAL_CALL AccessibleGridControlTable::release() noexcept +{ + AccessibleGridControlTableBase::release(); +} +// XServiceInfo --------------------------------------------------------------- + +OUString SAL_CALL AccessibleGridControlTable::getImplementationName() +{ + return "com.sun.star.accessibility.AccessibleGridControlTable"; +} + +void AccessibleGridControlTable::dispose() +{ + for (rtl::Reference<AccessibleGridControlTableCell>& rxCell : m_aCellVector) + { + if (rxCell.is()) + { + rxCell->dispose(); + rxCell.clear(); + } + } + + AccessibleGridControlTableBase::dispose(); +} + +void AccessibleGridControlTable::commitEvent(sal_Int16 nEventId, const css::uno::Any& rNewValue, + const css::uno::Any& rOldValue) +{ + if (nEventId == AccessibleEventId::TABLE_MODEL_CHANGED) + { + AccessibleTableModelChange aChange; + if (rNewValue >>= aChange) + { + assert(aChange.Type != AccessibleTableModelChangeType::COLUMNS_REMOVED); + + if (aChange.Type == AccessibleTableModelChangeType::ROWS_REMOVED) + { + int nColCount = m_aTable.GetColumnCount(); + // check valid index - entries are inserted lazily + size_t const nStart = nColCount * aChange.FirstRow; + size_t const nEnd = nColCount * aChange.LastRow; + if (nStart < m_aCellVector.size()) + { + m_aCellVector.erase( + m_aCellVector.begin() + nStart, + m_aCellVector.begin() + std::min(m_aCellVector.size(), nEnd)); + } + } + } + } + + AccessibleGridControlBase::commitEvent(nEventId, rNewValue, rOldValue); +} + +// internal virtual methods --------------------------------------------------- + +tools::Rectangle AccessibleGridControlTable::implGetBoundingBox() +{ + vcl::Window* pParent = m_aTable.GetAccessibleParentWindow(); + DBG_ASSERT( pParent, "implGetBoundingBox - missing parent window" ); + tools::Rectangle aGridRect( m_aTable.GetWindowExtentsRelative( *pParent )); + tools::Rectangle aTableRect( m_aTable.calcTableRect() ); + tools::Long nX = aGridRect.Left() + aTableRect.Left(); + tools::Long nY = aGridRect.Top() + aTableRect.Top(); + tools::Long nWidth = aGridRect.GetSize().Width()-aTableRect.Left(); + tools::Long nHeight = aGridRect.GetSize().Height()-aTableRect.Top(); + tools::Rectangle aTable( Point( nX, nY ), Size( nWidth, nHeight )); + return aTable; +} + +AbsoluteScreenPixelRectangle AccessibleGridControlTable::implGetBoundingBoxOnScreen() +{ + tools::Rectangle aGridRect( m_aTable.GetWindowExtentsAbsolute()); + tools::Rectangle aTableRect( m_aTable.calcTableRect() ); + tools::Long nX = aGridRect.Left() + aTableRect.Left(); + tools::Long nY = aGridRect.Top() + aTableRect.Top(); + tools::Long nWidth = aGridRect.GetSize().Width()-aTableRect.Left(); + tools::Long nHeight = aGridRect.GetSize().Height()-aTableRect.Top(); + AbsoluteScreenPixelRectangle aTable( AbsoluteScreenPixelPoint( nX, nY ), AbsoluteScreenPixelSize( nWidth, nHeight )); + return aTable; +} +// internal helper methods ---------------------------------------------------- +Reference< XAccessibleTable > AccessibleGridControlTable::implGetHeaderBar( + sal_Int32 nChildIndex ) +{ + Reference< XAccessible > xRet; + + if (!m_xParent.is()) + return nullptr; + + Reference<XAccessibleContext> xContext = m_xParent->getAccessibleContext(); + if( xContext.is() ) + { + try + { + xRet = xContext->getAccessibleChild( nChildIndex ); + } + catch (const lang::IndexOutOfBoundsException&) + { + OSL_FAIL( "implGetHeaderBar - wrong child index" ); + } + // RuntimeException goes to caller + } + return Reference< XAccessibleTable >( xRet, uno::UNO_QUERY ); +} + + +} // namespace accessibility + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |