forked from amazingfate/loongoffice
26d56470e6
Change-Id: I0a17e149487cf05fb5e6d004a6402a2a5215a79b Reviewed-on: https://gerrit.libreoffice.org/c/core/+/111632 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
393 lines
12 KiB
C++
393 lines
12 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 <extended/AccessibleGridControl.hxx>
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#include <extended/AccessibleGridControlTable.hxx>
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#include <extended/AccessibleGridControlHeader.hxx>
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#include <com/sun/star/accessibility/AccessibleEventId.hpp>
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#include <com/sun/star/accessibility/AccessibleRole.hpp>
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#include <com/sun/star/accessibility/AccessibleTableModelChange.hpp>
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#include <com/sun/star/accessibility/AccessibleTableModelChangeType.hpp>
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#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
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#include <toolkit/helper/convert.hxx>
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#include <vcl/accessibletable.hxx>
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#include <vcl/svapp.hxx>
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namespace accessibility
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{
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::accessibility;
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using namespace ::vcl;
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using namespace ::vcl::table;
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AccessibleGridControl::AccessibleGridControl(
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const css::uno::Reference< css::accessibility::XAccessible >& _rxParent, const css::uno::Reference< css::accessibility::XAccessible >& _rxCreator,
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::vcl::table::IAccessibleTable& _rTable )
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: AccessibleGridControlBase( _rxParent, _rTable, TCTYPE_GRIDCONTROL ),
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m_aCreator(_rxCreator)
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{
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}
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void SAL_CALL AccessibleGridControl::disposing()
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{
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SolarMutexGuard g;
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m_aCreator.clear();
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if ( m_xTable.is() )
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{
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m_xTable->dispose();
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m_xTable.clear();
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}
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if ( m_xCell.is() )
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{
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m_xCell->dispose();
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m_xCell.clear();
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}
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if ( m_xRowHeaderBar.is() )
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{
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m_xRowHeaderBar->dispose();
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m_xRowHeaderBar.clear();
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}
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if ( m_xColumnHeaderBar.is() )
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{
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m_xColumnHeaderBar->dispose();
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m_xColumnHeaderBar.clear();
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}
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AccessibleGridControlBase::disposing();
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}
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sal_Int32 AccessibleGridControl::implGetAccessibleChildCount()
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{
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return m_aTable.GetAccessibleControlCount();
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}
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// css::accessibility::XAccessibleContext ---------------------------------------------------------
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sal_Int32 SAL_CALL AccessibleGridControl::getAccessibleChildCount()
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{
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SolarMutexGuard aSolarGuard;
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ensureIsAlive();
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return implGetAccessibleChildCount();
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}
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css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
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AccessibleGridControl::getAccessibleChild( sal_Int32 nChildIndex )
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{
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SolarMutexGuard aSolarGuard;
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if (nChildIndex<0 || nChildIndex>=implGetAccessibleChildCount())
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throw IndexOutOfBoundsException();
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css::uno::Reference< css::accessibility::XAccessible > xChild;
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if (isAlive())
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{
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if(nChildIndex == 0 && m_aTable.HasColHeader())
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{
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if(!m_xColumnHeaderBar.is())
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{
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m_xColumnHeaderBar = new AccessibleGridControlHeader(m_aCreator, m_aTable, vcl::table::TCTYPE_COLUMNHEADERBAR);
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}
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xChild = m_xColumnHeaderBar.get();
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}
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else if(m_aTable.HasRowHeader() && (nChildIndex == 1 || nChildIndex == 0))
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{
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if(!m_xRowHeaderBar.is())
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{
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m_xRowHeaderBar = new AccessibleGridControlHeader(m_aCreator, m_aTable, vcl::table::TCTYPE_ROWHEADERBAR);
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}
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xChild = m_xRowHeaderBar.get();
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}
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else
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{
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if(!m_xTable.is())
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{
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m_xTable = new AccessibleGridControlTable(m_aCreator, m_aTable);
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}
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xChild = m_xTable.get();
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}
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}
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return xChild;
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}
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sal_Int16 SAL_CALL AccessibleGridControl::getAccessibleRole()
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{
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SolarMutexGuard g;
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ensureIsAlive();
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return AccessibleRole::PANEL;
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}
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// css::accessibility::XAccessibleComponent -------------------------------------------------------
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css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
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AccessibleGridControl::getAccessibleAtPoint( const awt::Point& rPoint )
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{
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SolarMutexGuard aSolarGuard;
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ensureIsAlive();
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css::uno::Reference< css::accessibility::XAccessible > xChild;
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sal_Int32 nIndex = 0;
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if( m_aTable.ConvertPointToControlIndex( nIndex, VCLPoint( rPoint ) ) )
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xChild = m_aTable.CreateAccessibleControl( nIndex );
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else
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{
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// try whether point is in one of the fixed children
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// (table, header bars, corner control)
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Point aPoint( VCLPoint( rPoint ) );
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for( nIndex = 0; (nIndex < 3) && !xChild.is(); ++nIndex )
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{
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css::uno::Reference< css::accessibility::XAccessible > xCurrChild( implGetFixedChild( nIndex ) );
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css::uno::Reference< css::accessibility::XAccessibleComponent >
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xCurrChildComp( xCurrChild, uno::UNO_QUERY );
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if( xCurrChildComp.is() &&
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VCLRectangle( xCurrChildComp->getBounds() ).IsInside( aPoint ) )
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xChild = xCurrChild;
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}
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}
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return xChild;
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}
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void SAL_CALL AccessibleGridControl::grabFocus()
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{
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SolarMutexGuard aSolarGuard;
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ensureIsAlive();
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m_aTable.GrabFocus();
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}
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// XServiceInfo ---------------------------------------------------------------
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OUString SAL_CALL AccessibleGridControl::getImplementationName()
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{
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return "com.sun.star.accessibility.AccessibleGridControl";
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}
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// internal virtual methods ---------------------------------------------------
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tools::Rectangle AccessibleGridControl::implGetBoundingBox()
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{
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vcl::Window* pParent = m_aTable.GetAccessibleParentWindow();
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OSL_ENSURE( pParent, "implGetBoundingBox - missing parent window" );
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return m_aTable.GetWindowExtentsRelative( pParent );
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}
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tools::Rectangle AccessibleGridControl::implGetBoundingBoxOnScreen()
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{
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return m_aTable.GetWindowExtentsRelative( nullptr );
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}
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// internal helper methods ----------------------------------------------------
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css::uno::Reference< css::accessibility::XAccessible > AccessibleGridControl::implGetTable()
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{
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if( !m_xTable.is() )
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{
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m_xTable = createAccessibleTable();
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}
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return m_xTable;
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}
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css::uno::Reference< css::accessibility::XAccessible >
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AccessibleGridControl::implGetHeaderBar( AccessibleTableControlObjType eObjType )
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{
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css::uno::Reference< css::accessibility::XAccessible > xRet;
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rtl::Reference< AccessibleGridControlHeader >* pxMember = nullptr;
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if( eObjType == TCTYPE_ROWHEADERBAR )
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pxMember = &m_xRowHeaderBar;
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else if( eObjType == TCTYPE_COLUMNHEADERBAR )
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pxMember = &m_xColumnHeaderBar;
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if( pxMember )
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{
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if( !pxMember->is() )
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{
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*pxMember = new AccessibleGridControlHeader(
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m_aCreator, m_aTable, eObjType );
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}
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xRet = pxMember->get();
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}
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return xRet;
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}
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css::uno::Reference< css::accessibility::XAccessible >
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AccessibleGridControl::implGetFixedChild( sal_Int32 nChildIndex )
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{
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css::uno::Reference< css::accessibility::XAccessible > xRet;
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switch( nChildIndex )
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{
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/** Child index of the column header bar (first row). */
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case 0:
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xRet = implGetHeaderBar( TCTYPE_COLUMNHEADERBAR );
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break;
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/** Child index of the row header bar ("handle column"). */
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case 1:
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xRet = implGetHeaderBar( TCTYPE_ROWHEADERBAR );
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break;
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/** Child index of the data table. */
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case 2:
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xRet = implGetTable();
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break;
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}
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return xRet;
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}
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rtl::Reference<AccessibleGridControlTable> AccessibleGridControl::createAccessibleTable()
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{
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css::uno::Reference< css::accessibility::XAccessible > xCreator(m_aCreator);
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OSL_ENSURE( xCreator.is(), "extended/AccessibleGridControl::createAccessibleTable: my creator died - how this?" );
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return new AccessibleGridControlTable( xCreator, m_aTable );
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}
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void AccessibleGridControl::commitCellEvent(sal_Int16 _nEventId,const Any& _rNewValue,const Any& _rOldValue)
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{
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sal_Int32 nChildCount = implGetAccessibleChildCount();
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if(nChildCount != 0)
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{
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for(sal_Int32 i=0;i<nChildCount;i++)
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{
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css::uno::Reference< css::accessibility::XAccessible > xAccessible = getAccessibleChild(i);
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if(css::uno::Reference< css::accessibility::XAccessible >(m_xTable) == xAccessible)
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{
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std::vector< rtl::Reference<AccessibleGridControlTableCell> >& rCells =
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m_xTable->getCellVector();
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size_t nIndex = m_aTable.GetCurrentRow() * m_aTable.GetColumnCount()
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+ m_aTable.GetCurrentColumn();
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if (nIndex < rCells.size() && rCells[nIndex])
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{
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m_xCell = rCells[nIndex];
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m_xCell->commitEvent( _nEventId, _rNewValue, _rOldValue );
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}
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}
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}
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}
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else
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{
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if ( m_xTable.is() )
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m_xTable->commitEvent(_nEventId,_rNewValue,_rOldValue);
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}
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}
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void AccessibleGridControl::commitTableEvent(sal_Int16 _nEventId,const Any& _rNewValue,const Any& _rOldValue)
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{
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if ( !m_xTable.is() )
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return;
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if(_nEventId == AccessibleEventId::ACTIVE_DESCENDANT_CHANGED)
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{
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const sal_Int32 nCurrentRow = m_aTable.GetCurrentRow();
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const sal_Int32 nCurrentCol = m_aTable.GetCurrentColumn();
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css::uno::Reference< css::accessibility::XAccessible > xChild;
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if (nCurrentRow > -1 && nCurrentCol > -1)
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{
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sal_Int32 nColumnCount = m_aTable.GetColumnCount();
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xChild = m_xTable->getAccessibleChild(nCurrentRow * nColumnCount + nCurrentCol);
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}
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m_xTable->commitEvent(_nEventId, Any(xChild),_rOldValue);
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}
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else if(_nEventId == AccessibleEventId::TABLE_MODEL_CHANGED)
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{
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AccessibleTableModelChange aChange;
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if(_rNewValue >>= aChange)
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{
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if(aChange.Type == AccessibleTableModelChangeType::DELETE)
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{
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std::vector< rtl::Reference<AccessibleGridControlTableCell> >& rCells =
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m_xTable->getCellVector();
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int nColCount = m_aTable.GetColumnCount();
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// check valid index - entries are inserted lazily
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size_t const nStart = nColCount * aChange.FirstRow;
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size_t const nEnd = nColCount * aChange.LastRow;
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if (nStart < rCells.size())
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{
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m_xTable->getCellVector().erase(
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rCells.begin() + nStart,
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rCells.begin() + std::min(rCells.size(), nEnd));
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}
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m_xTable->commitEvent(_nEventId,_rNewValue,_rOldValue);
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}
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else
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m_xTable->commitEvent(_nEventId,_rNewValue,_rOldValue);
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}
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}
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else
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m_xTable->commitEvent(_nEventId,_rNewValue,_rOldValue);
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}
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// = AccessibleGridControlAccess
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AccessibleGridControlAccess::AccessibleGridControlAccess(
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const css::uno::Reference< css::accessibility::XAccessible >& rxParent, ::vcl::table::IAccessibleTable& rTable )
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: m_xParent( rxParent )
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, m_pTable( & rTable )
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{
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}
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AccessibleGridControlAccess::~AccessibleGridControlAccess()
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{
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}
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void AccessibleGridControlAccess::DisposeAccessImpl()
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{
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SolarMutexGuard g;
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m_pTable = nullptr;
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if (m_xContext.is())
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{
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m_xContext->dispose();
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m_xContext.clear();
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}
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}
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css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL AccessibleGridControlAccess::getAccessibleContext()
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{
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SolarMutexGuard g;
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// if the context died meanwhile (we're no listener, so it won't tell us explicitly when this happens),
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// then reset and re-create.
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if ( m_xContext.is() && !m_xContext->isAlive() )
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m_xContext = nullptr;
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if (!m_xContext.is() && m_pTable)
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m_xContext = new AccessibleGridControl(m_xParent, this, *m_pTable);
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return m_xContext;
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}
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} // namespace accessibility
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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