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| -rw-r--r-- | accessibility/source/extended/AccessibleBrowseBoxHeaderBar.cxx | 362 |
1 files changed, 362 insertions, 0 deletions
diff --git a/accessibility/source/extended/AccessibleBrowseBoxHeaderBar.cxx b/accessibility/source/extended/AccessibleBrowseBoxHeaderBar.cxx new file mode 100644 index 000000000..3d3541e4a --- /dev/null +++ b/accessibility/source/extended/AccessibleBrowseBoxHeaderBar.cxx @@ -0,0 +1,362 @@ +/* -*- 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 <extended/AccessibleBrowseBoxHeaderBar.hxx> +#include <toolkit/helper/convert.hxx> +#include <vcl/accessibletableprovider.hxx> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> + +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; + + +namespace accessibility { + + +// Ctor/Dtor/disposing -------------------------------------------------------- + +AccessibleBrowseBoxHeaderBar::AccessibleBrowseBoxHeaderBar( + const Reference< XAccessible >& rxParent, + vcl::IAccessibleTableProvider& rBrowseBox, + AccessibleBrowseBoxObjType eObjType ) : + AccessibleBrowseBoxTableBase( rxParent, rBrowseBox,eObjType ) +{ + OSL_ENSURE( isRowBar() || isColumnBar(), + "extended/AccessibleBrowseBoxHeaderBar - invalid object type" ); +} + +AccessibleBrowseBoxHeaderBar::~AccessibleBrowseBoxHeaderBar() +{ +} + +// XAccessibleContext --------------------------------------------------------- + +Reference< XAccessible > SAL_CALL +AccessibleBrowseBoxHeaderBar::getAccessibleChild( sal_Int32 nChildIndex ) +{ + SolarMethodGuard aGuard(getMutex()); + ensureIsAlive(); + + ensureIsValidHeaderIndex( nChildIndex ); + return implGetChild( nChildIndex, implToVCLColumnPos( nChildIndex ) ); +} + +sal_Int32 SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleIndexInParent() +{ + return isRowBar() ? vcl::BBINDEX_ROWHEADERBAR : vcl::BBINDEX_COLUMNHEADERBAR; +} + +// XAccessibleComponent ------------------------------------------------------- + +Reference< XAccessible > SAL_CALL +AccessibleBrowseBoxHeaderBar::getAccessibleAtPoint( const awt::Point& rPoint ) +{ + SolarMethodGuard aGuard(getMutex()); + ensureIsAlive(); + + sal_Int32 nRow = 0; + sal_uInt16 nColumnPos = 0; + bool bConverted = isRowBar() ? + mpBrowseBox->ConvertPointToRowHeader( nRow, VCLPoint( rPoint ) ) : + mpBrowseBox->ConvertPointToColumnHeader( nColumnPos, VCLPoint( rPoint ) ); + + return bConverted ? implGetChild( nRow, nColumnPos ) : Reference< XAccessible >(); +} + +void SAL_CALL AccessibleBrowseBoxHeaderBar::grabFocus() +{ + SolarMethodGuard aGuard(getMutex()); + + ensureIsAlive(); + // focus on header not supported +} + +// XAccessibleTable ----------------------------------------------------------- + +OUString SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleRowDescription( sal_Int32 nRow ) +{ + SolarMethodGuard aGuard(getMutex()); + + ensureIsAlive(); + ensureIsValidRow( nRow ); + return OUString(); // no headers in headers +} + +OUString SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleColumnDescription( sal_Int32 nColumn ) +{ + SolarMethodGuard aGuard(getMutex()); + + ensureIsAlive(); + ensureIsValidColumn( nColumn ); + return OUString(); // no headers in headers +} + +Reference< XAccessibleTable > SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleRowHeaders() +{ + SolarMethodGuard aGuard(getMutex()); + + ensureIsAlive(); + return nullptr; // no headers in headers +} + +Reference< XAccessibleTable > SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleColumnHeaders() +{ + SolarMethodGuard aGuard(getMutex()); + + ensureIsAlive(); + return nullptr; // no headers in headers +} + +Sequence< sal_Int32 > SAL_CALL AccessibleBrowseBoxHeaderBar::getSelectedAccessibleRows() +{ + SolarMethodGuard aGuard(getMutex()); + ensureIsAlive(); + + Sequence< sal_Int32 > aSelSeq; + // row of column header bar not selectable + if( isRowBar() ) + implGetSelectedRows( aSelSeq ); + return aSelSeq; +} + +Sequence< sal_Int32 > SAL_CALL AccessibleBrowseBoxHeaderBar::getSelectedAccessibleColumns() +{ + SolarMethodGuard aGuard(getMutex()); + ensureIsAlive(); + + Sequence< sal_Int32 > aSelSeq; + // column of row header bar ("handle column") not selectable + if( isColumnBar() ) + implGetSelectedColumns( aSelSeq ); + return aSelSeq; +} + +sal_Bool SAL_CALL AccessibleBrowseBoxHeaderBar::isAccessibleRowSelected( sal_Int32 nRow ) +{ + SolarMethodGuard aGuard(getMutex()); + + ensureIsAlive(); + ensureIsValidRow( nRow ); + return isRowBar() && implIsRowSelected( nRow ); +} + +sal_Bool SAL_CALL AccessibleBrowseBoxHeaderBar::isAccessibleColumnSelected( sal_Int32 nColumn ) +{ + SolarMethodGuard aGuard(getMutex()); + + ensureIsAlive(); + ensureIsValidColumn( nColumn ); + return isColumnBar() && implIsColumnSelected( nColumn ); +} + +Reference< XAccessible > SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleCellAt( + sal_Int32 nRow, sal_Int32 nColumn ) +{ + SolarMethodGuard aGuard(getMutex()); + + ensureIsAlive(); + ensureIsValidAddress( nRow, nColumn ); + + return implGetChild( nRow, implToVCLColumnPos( nColumn ) ); +} + +sal_Bool SAL_CALL AccessibleBrowseBoxHeaderBar::isAccessibleSelected( + sal_Int32 nRow, sal_Int32 nColumn ) +{ + SolarMethodGuard aGuard(getMutex()); + ensureIsAlive(); + + ensureIsValidAddress( nRow, nColumn ); + return isRowBar() ? implIsRowSelected( nRow ) : implIsColumnSelected( nColumn ); +} + +// XAccessibleSelection ------------------------------------------------------- + +void SAL_CALL AccessibleBrowseBoxHeaderBar::selectAccessibleChild( sal_Int32 nChildIndex ) +{ + SolarMethodGuard aGuard(getMutex()); + ensureIsAlive(); + + ensureIsValidHeaderIndex( nChildIndex ); + if( isRowBar() ) + implSelectRow( nChildIndex, true ); + else + implSelectColumn( implToVCLColumnPos( nChildIndex ), true ); +} + +sal_Bool SAL_CALL AccessibleBrowseBoxHeaderBar::isAccessibleChildSelected( sal_Int32 nChildIndex ) +{ + // using interface methods - no mutex + return isRowBar() ? + isAccessibleRowSelected( nChildIndex ) : + isAccessibleColumnSelected( nChildIndex ); +} + +void SAL_CALL AccessibleBrowseBoxHeaderBar::clearAccessibleSelection() +{ + SolarMethodGuard aGuard(getMutex()); + ensureIsAlive(); + + mpBrowseBox->SetNoSelection(); +} + +void SAL_CALL AccessibleBrowseBoxHeaderBar::selectAllAccessibleChildren() +{ + SolarMethodGuard aGuard(getMutex()); + ensureIsAlive(); + + // no multiselection of columns possible + if( isRowBar() ) + mpBrowseBox->SelectAll(); + else + implSelectColumn( implToVCLColumnPos( 0 ), true ); +} + +sal_Int32 SAL_CALL AccessibleBrowseBoxHeaderBar::getSelectedAccessibleChildCount() +{ + SolarMethodGuard aGuard(getMutex()); + ensureIsAlive(); + + return isRowBar() ? implGetSelectedRowCount() : implGetSelectedColumnCount(); +} + +Reference< XAccessible > SAL_CALL +AccessibleBrowseBoxHeaderBar::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) +{ + SolarMethodGuard aGuard(getMutex()); + ensureIsAlive(); + + // method may throw lang::IndexOutOfBoundsException + sal_Int32 nIndex = implGetChildIndexFromSelectedIndex( nSelectedChildIndex ); + return implGetChild( nIndex, implToVCLColumnPos( nIndex ) ); +} + +void SAL_CALL AccessibleBrowseBoxHeaderBar::deselectAccessibleChild( + sal_Int32 nSelectedChildIndex ) +{ + SolarMethodGuard aGuard(getMutex()); + ensureIsAlive(); + + // method may throw lang::IndexOutOfBoundsException + if ( isAccessibleChildSelected(nSelectedChildIndex) ) + { + if( isRowBar() ) + implSelectRow( nSelectedChildIndex, false ); + else + implSelectColumn( implToVCLColumnPos( nSelectedChildIndex ), false ); + } +} + +// XInterface ----------------------------------------------------------------- + +Any SAL_CALL AccessibleBrowseBoxHeaderBar::queryInterface( const uno::Type& rType ) +{ + Any aAny( AccessibleBrowseBoxTableBase::queryInterface( rType ) ); + return aAny.hasValue() ? + aAny : AccessibleBrowseBoxHeaderBarImplHelper::queryInterface( rType ); +} + +void SAL_CALL AccessibleBrowseBoxHeaderBar::acquire() noexcept +{ + AccessibleBrowseBoxTableBase::acquire(); +} + +void SAL_CALL AccessibleBrowseBoxHeaderBar::release() noexcept +{ + AccessibleBrowseBoxTableBase::release(); +} + +// XServiceInfo --------------------------------------------------------------- + +OUString SAL_CALL AccessibleBrowseBoxHeaderBar::getImplementationName() +{ + return "com.sun.star.comp.svtools.AccessibleBrowseBoxHeaderBar"; +} + +Sequence< sal_Int8 > SAL_CALL AccessibleBrowseBoxHeaderBar::getImplementationId() +{ + return css::uno::Sequence<sal_Int8>(); +} + +// internal virtual methods --------------------------------------------------- + +tools::Rectangle AccessibleBrowseBoxHeaderBar::implGetBoundingBox() +{ + return mpBrowseBox->calcHeaderRect(isColumnBar(), false); +} + +tools::Rectangle AccessibleBrowseBoxHeaderBar::implGetBoundingBoxOnScreen() +{ + return mpBrowseBox->calcHeaderRect(isColumnBar()); +} + +sal_Int32 AccessibleBrowseBoxHeaderBar::implGetRowCount() const +{ + // column header bar: only 1 row + return isRowBar() ? AccessibleBrowseBoxTableBase::implGetRowCount() : 1; +} + +sal_Int32 AccessibleBrowseBoxHeaderBar::implGetColumnCount() const +{ + // row header bar ("handle column"): only 1 column + return isColumnBar() ? AccessibleBrowseBoxTableBase::implGetColumnCount() : 1; +} + +// internal helper methods ---------------------------------------------------- + +Reference< XAccessible > AccessibleBrowseBoxHeaderBar::implGetChild( + sal_Int32 nRow, sal_uInt16 nColumnPos ) +{ + return isRowBar() ? + mpBrowseBox->CreateAccessibleRowHeader( nRow ) : + mpBrowseBox->CreateAccessibleColumnHeader( nColumnPos ); +} + +sal_Int32 AccessibleBrowseBoxHeaderBar::implGetChildIndexFromSelectedIndex( + sal_Int32 nSelectedChildIndex ) +{ + Sequence< sal_Int32 > aSelSeq; + if( isRowBar() ) + implGetSelectedRows( aSelSeq ); + else + implGetSelectedColumns( aSelSeq ); + + if( (nSelectedChildIndex < 0) || (nSelectedChildIndex >= aSelSeq.getLength()) ) + throw lang::IndexOutOfBoundsException(); + + return aSelSeq.getConstArray()[ nSelectedChildIndex ]; +} + +void AccessibleBrowseBoxHeaderBar::ensureIsValidHeaderIndex( sal_Int32 nIndex ) +{ + if( isRowBar() ) + ensureIsValidRow( nIndex ); + else + ensureIsValidColumn( nIndex ); +} + + +} // namespace accessibility + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |