414 lines
17 KiB
C++
414 lines
17 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 "accessibility/extended/accessibletablistboxtable.hxx"
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#include "accessibility/extended/AccessibleBrowseBoxTableCell.hxx"
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#include "accessibility/extended/AccessibleBrowseBoxCheckBoxCell.hxx"
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#include <svtools/svtabbx.hxx>
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#include <com/sun/star/accessibility/AccessibleEventId.hpp>
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namespace accessibility
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{
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// class AccessibleTabListBoxTable ---------------------------------------------
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using namespace ::com::sun::star::accessibility;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star;
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// Ctor() and Dtor()
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AccessibleTabListBoxTable::AccessibleTabListBoxTable( const Reference< XAccessible >& rxParent, SvHeaderTabListBox& rBox ) :
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AccessibleBrowseBoxTable( rxParent, rBox ),
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m_pTabListBox ( &rBox )
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{
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m_pTabListBox->AddEventListener( LINK( this, AccessibleTabListBoxTable, WindowEventListener ) );
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}
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AccessibleTabListBoxTable::~AccessibleTabListBoxTable()
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{
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if ( isAlive() )
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{
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m_pTabListBox = NULL;
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// increment ref count to prevent double call of 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 AccessibleTabListBoxTable::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
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{
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if ( isAlive() )
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{
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sal_uLong nEventId = rVclWindowEvent.GetId();
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switch ( nEventId )
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{
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case VCLEVENT_OBJECT_DYING :
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{
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m_pTabListBox->RemoveEventListener( LINK( this, AccessibleTabListBoxTable, WindowEventListener ) );
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m_pTabListBox = NULL;
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break;
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}
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case VCLEVENT_CONTROL_GETFOCUS :
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case VCLEVENT_CONTROL_LOSEFOCUS :
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{
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uno::Any aOldValue, aNewValue;
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if ( VCLEVENT_CONTROL_GETFOCUS == nEventId )
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aNewValue <<= AccessibleStateType::FOCUSED;
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else
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aOldValue <<= AccessibleStateType::FOCUSED;
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commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
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break;
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}
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case VCLEVENT_LISTBOX_SELECT :
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{
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// First send an event that tells the listeners of a
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// modified selection. The active descendant event is
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// send after that so that the receiving AT has time to
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// read the text or name of the active child.
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commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
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if ( m_pTabListBox && m_pTabListBox->HasFocus() )
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{
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SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
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if ( pEntry )
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{
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sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
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sal_uInt16 nCol = m_pTabListBox->GetCurrColumn();
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Reference< XAccessible > xChild =
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m_pTabListBox->CreateAccessibleCell( nRow, nCol );
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uno::Any aOldValue, aNewValue;
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if ( m_pTabListBox->IsTransientChildrenDisabled() )
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{
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aNewValue <<= AccessibleStateType::FOCUSED;
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TriState eState = TRISTATE_INDET;
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if ( m_pTabListBox->IsCellCheckBox( nRow, nCol, eState ) )
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{
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AccessibleCheckBoxCell* pCell =
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static_cast< AccessibleCheckBoxCell* >( xChild.get() );
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pCell->commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
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}
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else
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{
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AccessibleBrowseBoxTableCell* pCell =
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static_cast< AccessibleBrowseBoxTableCell* >( xChild.get() );
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pCell->commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
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}
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}
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else
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{
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aNewValue <<= xChild;
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commitEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aNewValue, aOldValue );
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}
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}
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}
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break;
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}
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case VCLEVENT_WINDOW_GETFOCUS :
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{
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uno::Any aOldValue, aNewValue;
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aNewValue <<= AccessibleStateType::FOCUSED;
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commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
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break;
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}
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case VCLEVENT_WINDOW_LOSEFOCUS :
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{
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uno::Any aOldValue, aNewValue;
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aOldValue <<= AccessibleStateType::FOCUSED;
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commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
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break;
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}
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case VCLEVENT_LISTBOX_TREESELECT:
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{
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SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
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if (pEntry)
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{
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sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
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Reference< XAccessible > xChild = m_pTabListBox->CreateAccessibleCell( nRow, m_pTabListBox->GetCurrColumn() );
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TriState eState = TRISTATE_INDET;
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if ( m_pTabListBox->IsCellCheckBox( nRow, m_pTabListBox->GetCurrColumn(), eState ) )
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{
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AccessibleCheckBoxCell* pCell = static_cast< AccessibleCheckBoxCell* >( xChild.get() );
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pCell->commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
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}
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else
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{
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AccessibleBrowseBoxTableCell* pCell = static_cast< AccessibleBrowseBoxTableCell* >( xChild.get() );
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pCell->commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
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}
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}
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}
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break;
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case VCLEVENT_LISTBOX_TREEFOCUS:
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{
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if ( m_pTabListBox && m_pTabListBox->HasFocus() )
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{
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uno::Any aOldValue, aNewValue;
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SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
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if ( pEntry )
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{
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sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
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m_xCurChild = m_pTabListBox->CreateAccessibleCell( nRow, m_pTabListBox->GetCurrColumn() );
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aNewValue <<= m_xCurChild;
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commitEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aNewValue ,aOldValue);
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}
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else
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{
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aNewValue <<= AccessibleStateType::FOCUSED;
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commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue ,aOldValue);
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}
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}
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}
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break;
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case VCLEVENT_CHECKBOX_TOGGLE :
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{
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if ( m_pTabListBox && m_pTabListBox->HasFocus() )
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{
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SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
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if ( pEntry )
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{
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sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
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sal_uInt16 nCol = m_pTabListBox->GetCurrColumn();
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TriState eState = TRISTATE_INDET;
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if ( m_pTabListBox->IsCellCheckBox( nRow, nCol, eState ) )
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{
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Reference< XAccessible > xChild =
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m_pTabListBox->CreateAccessibleCell( nRow, nCol );
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AccessibleCheckBoxCell* pCell =
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static_cast< AccessibleCheckBoxCell* >( xChild.get() );
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pCell->SetChecked( SvHeaderTabListBox::IsItemChecked( pEntry, nCol ) );
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}
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}
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}
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break;
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}
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case VCLEVENT_TABLECELL_NAMECHANGED :
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{
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if ( m_pTabListBox->IsTransientChildrenDisabled() )
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{
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commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
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TabListBoxEventData* pData = static_cast< TabListBoxEventData* >( rVclWindowEvent.GetData() );
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SvTreeListEntry* pEntry = pData != NULL ? pData->m_pEntry : NULL;
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if ( pEntry )
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{
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sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
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sal_uInt16 nCol = pData->m_nColumn;
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Reference< XAccessible > xChild =
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m_pTabListBox->CreateAccessibleCell( nRow, nCol );
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uno::Any aOldValue, aNewValue;
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aOldValue <<= OUString( pData->m_sOldText );
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OUString sNewText( m_pTabListBox->GetCellText( nRow, nCol ) );
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aNewValue <<= sNewText;
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TriState eState = TRISTATE_INDET;
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if ( m_pTabListBox->IsCellCheckBox( nRow, nCol, eState ) )
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{
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AccessibleCheckBoxCell* pCell =
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static_cast< AccessibleCheckBoxCell* >( xChild.get() );
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pCell->commitEvent( AccessibleEventId::NAME_CHANGED, aNewValue, aOldValue );
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}
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else
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{
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AccessibleBrowseBoxTableCell* pCell =
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static_cast< AccessibleBrowseBoxTableCell* >( xChild.get() );
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pCell->nameChanged( sNewText, pData->m_sOldText );
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}
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}
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}
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break;
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}
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}
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}
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}
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IMPL_LINK( AccessibleTabListBoxTable, WindowEventListener, VclSimpleEvent*, pEvent )
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{
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OSL_ENSURE( pEvent && pEvent->ISA( VclWindowEvent ), "Unknown WindowEvent!" );
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if ( pEvent && pEvent->ISA( VclWindowEvent ) )
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{
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OSL_ENSURE( static_cast<VclWindowEvent*>( pEvent )->GetWindow() && m_pTabListBox, "no event window" );
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ProcessWindowEvent( *static_cast<VclWindowEvent*>(pEvent) );
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}
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return 0;
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}
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// helpers --------------------------------------------------------------------
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void AccessibleTabListBoxTable::ensureValidIndex( sal_Int32 _nIndex ) const
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{
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if ( ( _nIndex < 0 ) || ( _nIndex >= implGetCellCount() ) )
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throw IndexOutOfBoundsException();
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}
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bool AccessibleTabListBoxTable::implIsRowSelected( sal_Int32 _nRow ) const
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{
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return m_pTabListBox && m_pTabListBox->IsSelected( m_pTabListBox->GetEntry( _nRow ) );
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}
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void AccessibleTabListBoxTable::implSelectRow( sal_Int32 _nRow, bool _bSelect )
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{
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if ( m_pTabListBox )
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m_pTabListBox->Select( m_pTabListBox->GetEntry( _nRow ), _bSelect );
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}
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sal_Int32 AccessibleTabListBoxTable::implGetRowCount() const
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{
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return m_pTabListBox ? m_pTabListBox->GetEntryCount() : 0;
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}
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sal_Int32 AccessibleTabListBoxTable::implGetColumnCount() const
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{
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return m_pTabListBox ? m_pTabListBox->GetColumnCount() : 0;
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}
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sal_Int32 AccessibleTabListBoxTable::implGetSelRowCount() const
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{
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return m_pTabListBox ? m_pTabListBox->GetSelectionCount() : 0;
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}
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sal_Int32 AccessibleTabListBoxTable::implGetSelRow( sal_Int32 nSelRow ) const
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{
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if ( m_pTabListBox )
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{
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sal_Int32 nRow = 0;
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SvTreeListEntry* pEntry = m_pTabListBox->FirstSelected();
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while ( pEntry )
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{
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++nRow;
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if ( nRow == nSelRow )
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return m_pTabListBox->GetEntryPos( pEntry );
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pEntry = m_pTabListBox->NextSelected( pEntry );
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}
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}
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return 0;
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}
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// XInterface & XTypeProvider
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IMPLEMENT_FORWARD_XINTERFACE2(AccessibleTabListBoxTable, AccessibleBrowseBoxTable, AccessibleTabListBoxTableImplHelper)
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IMPLEMENT_FORWARD_XTYPEPROVIDER2(AccessibleTabListBoxTable, AccessibleBrowseBoxTable, AccessibleTabListBoxTableImplHelper)
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// XServiceInfo
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OUString AccessibleTabListBoxTable::getImplementationName() throw (RuntimeException, std::exception)
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{
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return OUString( "com.sun.star.comp.svtools.AccessibleTabListBoxTable" );
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}
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// XAccessibleSelection
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void SAL_CALL AccessibleTabListBoxTable::selectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
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{
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SolarMutexGuard aSolarGuard;
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::osl::MutexGuard aGuard( getOslMutex() );
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ensureIsAlive();
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ensureValidIndex( nChildIndex );
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implSelectRow( implGetRow( nChildIndex ), true );
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}
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sal_Bool SAL_CALL AccessibleTabListBoxTable::isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
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{
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SolarMutexGuard aSolarGuard;
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::osl::MutexGuard aGuard( getOslMutex() );
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ensureIsAlive();
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ensureValidIndex( nChildIndex );
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return implIsRowSelected( implGetRow( nChildIndex ) );
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}
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void SAL_CALL AccessibleTabListBoxTable::clearAccessibleSelection( ) throw (RuntimeException, std::exception)
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{
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SolarMutexGuard aSolarGuard;
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::osl::MutexGuard aGuard( getOslMutex() );
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ensureIsAlive();
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m_pTabListBox->SetNoSelection();
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}
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void SAL_CALL AccessibleTabListBoxTable::selectAllAccessibleChildren( ) throw (RuntimeException, std::exception)
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{
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SolarMutexGuard aSolarGuard;
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::osl::MutexGuard aGuard( getOslMutex() );
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ensureIsAlive();
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m_pTabListBox->SelectAll();
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}
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sal_Int32 SAL_CALL AccessibleTabListBoxTable::getSelectedAccessibleChildCount( ) throw (RuntimeException, std::exception)
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{
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SolarMutexGuard aSolarGuard;
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::osl::MutexGuard aGuard( getOslMutex() );
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ensureIsAlive();
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return implGetColumnCount() * implGetSelRowCount();
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}
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Reference< XAccessible > SAL_CALL AccessibleTabListBoxTable::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
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{
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SolarMutexGuard aSolarGuard;
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::osl::MutexGuard aGuard( getOslMutex() );
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ensureIsAlive();
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sal_Int32 nRows = implGetSelRowCount();
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if ( nRows == 0 )
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throw IndexOutOfBoundsException();
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sal_Int32 nRow = implGetSelRow( nSelectedChildIndex % nRows );
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sal_Int32 nColumn = nSelectedChildIndex / nRows;
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return getAccessibleCellAt( nRow, nColumn );
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}
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void SAL_CALL AccessibleTabListBoxTable::deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
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{
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SolarMutexGuard aSolarGuard;
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::osl::MutexGuard aGuard( getOslMutex() );
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ensureIsAlive();
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ensureValidIndex( nSelectedChildIndex );
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implSelectRow( implGetRow( nSelectedChildIndex ), false );
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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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