d040635b8e
Move AccessibleGridControlAccess and all related classes from vcl to toolkit, as that is where the grid control that makes use of them is located. Stop using the AccessibleFactory to create the AccessibleGridControlAccess, but call the ctor directly in TableControl_Impl::getAccessible, now that the class is also in the toolkit module. Further simplificiation can happen in upcoming commits. Change-Id: Ic93796bce96916192da7cfffcf1faf00905373c7 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/180668 Reviewed-by: Michael Weghorn <m.weghorn@posteo.de> Tested-by: Jenkins
456 lines
13 KiB
C++
456 lines
13 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 <controls/table/AccessibleGridControlBase.hxx>
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#include <utility>
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#include <vcl/accessibletable.hxx>
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#include <vcl/svapp.hxx>
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#include <vcl/unohelp.hxx>
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#include <vcl/window.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <sal/types.h>
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#include <com/sun/star/accessibility/AccessibleRole.hpp>
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#include <com/sun/star/accessibility/AccessibleStateType.hpp>
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#include <com/sun/star/accessibility/IllegalAccessibleComponentStateException.hpp>
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#include <unotools/accessiblerelationsethelper.hxx>
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#include <sal/log.hxx>
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using ::com::sun::star::uno::Sequence;
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using ::com::sun::star::uno::Any;
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::accessibility;
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using namespace ::comphelper;
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using namespace ::vcl;
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using namespace ::vcl::table;
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namespace accessibility {
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using namespace com::sun::star::accessibility::AccessibleStateType;
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AccessibleGridControlBase::AccessibleGridControlBase(
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css::uno::Reference< css::accessibility::XAccessible > xParent,
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::vcl::table::IAccessibleTable& rTable,
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::vcl::table::AccessibleTableControlObjType eObjType ) :
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AccessibleGridControlImplHelper( m_aMutex ),
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m_xParent(std::move( xParent )),
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m_aTable( rTable),
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m_eObjType( eObjType ),
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m_aClientId(0)
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{
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}
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AccessibleGridControlBase::~AccessibleGridControlBase()
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{
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if( isAlive() )
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{
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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 SAL_CALL AccessibleGridControlBase::disposing()
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{
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SolarMutexGuard g;
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if ( getClientId( ) )
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{
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AccessibleEventNotifier::TClientId nId( getClientId( ) );
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setClientId( 0 );
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AccessibleEventNotifier::revokeClientNotifyDisposing( nId, *this );
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}
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m_xParent = nullptr;
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//m_aTable = NULL;
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}
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// css::accessibility::XAccessibleContext
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css::uno::Reference< css::accessibility::XAccessible > SAL_CALL AccessibleGridControlBase::getAccessibleParent()
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{
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SolarMutexGuard g;
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ensureIsAlive();
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return m_xParent;
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}
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sal_Int64 SAL_CALL AccessibleGridControlBase::getAccessibleIndexInParent()
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{
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SolarMutexGuard g;
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ensureIsAlive();
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// -1 for child not found/no parent (according to specification)
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sal_Int64 nRet = -1;
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css::uno::Reference< uno::XInterface > xMeMyselfAndI( static_cast< css::accessibility::XAccessibleContext* >( this ), uno::UNO_QUERY );
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// iterate over parent's children and search for this object
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if( m_xParent.is() )
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{
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css::uno::Reference< css::accessibility::XAccessibleContext >
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xParentContext( m_xParent->getAccessibleContext() );
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if( xParentContext.is() )
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{
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css::uno::Reference< uno::XInterface > xChild;
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sal_Int64 nChildCount = xParentContext->getAccessibleChildCount();
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for( sal_Int64 nChild = 0; nChild < nChildCount; ++nChild )
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{
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xChild.set(xParentContext->getAccessibleChild( nChild ), css::uno::UNO_QUERY);
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if ( xMeMyselfAndI.get() == xChild.get() )
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{
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nRet = nChild;
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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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return nRet;
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}
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OUString SAL_CALL AccessibleGridControlBase::getAccessibleDescription()
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{
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SolarMutexGuard g;
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ensureIsAlive();
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return m_aTable.GetAccessibleObjectDescription(m_eObjType);
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}
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OUString SAL_CALL AccessibleGridControlBase::getAccessibleName()
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{
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SolarMutexGuard g;
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ensureIsAlive();
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return m_aTable.GetAccessibleObjectName(m_eObjType, 0, 0);
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}
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css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL
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AccessibleGridControlBase::getAccessibleRelationSet()
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{
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SolarMutexGuard g;
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ensureIsAlive();
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// GridControl does not have relations.
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return new utl::AccessibleRelationSetHelper;
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}
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sal_Int64 SAL_CALL
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AccessibleGridControlBase::getAccessibleStateSet()
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{
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SolarMutexGuard aSolarGuard;
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// don't check whether alive -> StateSet may contain DEFUNC
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return implCreateStateSet();
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}
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lang::Locale SAL_CALL AccessibleGridControlBase::getLocale()
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{
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SolarMutexGuard g;
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ensureIsAlive();
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if( m_xParent.is() )
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{
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css::uno::Reference< css::accessibility::XAccessibleContext >
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xParentContext( m_xParent->getAccessibleContext() );
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if( xParentContext.is() )
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return xParentContext->getLocale();
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}
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throw IllegalAccessibleComponentStateException();
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}
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// css::accessibility::XAccessibleComponent
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sal_Bool SAL_CALL AccessibleGridControlBase::containsPoint( const awt::Point& rPoint )
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{
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return tools::Rectangle(Point(), getBoundingBox().GetSize())
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.Contains(vcl::unohelper::ConvertToVCLPoint(rPoint));
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}
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awt::Rectangle SAL_CALL AccessibleGridControlBase::getBounds()
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{
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return vcl::unohelper::ConvertToAWTRect(getBoundingBox());
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}
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awt::Point SAL_CALL AccessibleGridControlBase::getLocation()
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{
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return vcl::unohelper::ConvertToAWTPoint(getBoundingBox().TopLeft());
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}
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awt::Point SAL_CALL AccessibleGridControlBase::getLocationOnScreen()
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{
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return vcl::unohelper::ConvertToAWTPoint(getBoundingBoxOnScreen().TopLeft());
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}
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awt::Size SAL_CALL AccessibleGridControlBase::getSize()
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{
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return vcl::unohelper::ConvertToAWTSize(getBoundingBox().GetSize());
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}
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// css::accessibility::XAccessibleEventBroadcaster
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void SAL_CALL AccessibleGridControlBase::addAccessibleEventListener(
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const css::uno::Reference< css::accessibility::XAccessibleEventListener>& _rxListener )
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{
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if ( _rxListener.is() )
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{
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SolarMutexGuard g;
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if ( !getClientId( ) )
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setClientId( AccessibleEventNotifier::registerClient( ) );
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AccessibleEventNotifier::addEventListener( getClientId( ), _rxListener );
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}
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}
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void SAL_CALL AccessibleGridControlBase::removeAccessibleEventListener(
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const css::uno::Reference< css::accessibility::XAccessibleEventListener>& _rxListener )
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{
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if( !(_rxListener.is() && getClientId( )) )
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return;
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SolarMutexGuard g;
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sal_Int32 nListenerCount = AccessibleEventNotifier::removeEventListener( getClientId( ), _rxListener );
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if ( !nListenerCount )
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{
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// no listeners anymore
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// -> revoke ourself. This may lead to the notifier thread dying (if we were the last client),
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// and at least to us not firing any events anymore, in case somebody calls
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// NotifyAccessibleEvent, again
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AccessibleEventNotifier::TClientId nId( getClientId( ) );
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setClientId( 0 );
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AccessibleEventNotifier::revokeClient( nId );
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}
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}
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// XTypeProvider
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Sequence< sal_Int8 > SAL_CALL AccessibleGridControlBase::getImplementationId()
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{
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return css::uno::Sequence<sal_Int8>();
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}
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// XServiceInfo
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sal_Bool SAL_CALL AccessibleGridControlBase::supportsService(
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const OUString& rServiceName )
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{
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return cppu::supportsService(this, rServiceName);
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}
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Sequence< OUString > SAL_CALL AccessibleGridControlBase::getSupportedServiceNames()
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{
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return { u"com.sun.star.accessibility.AccessibleContext"_ustr };
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}
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// internal virtual methods
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bool AccessibleGridControlBase::implIsShowing()
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{
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bool bShowing = false;
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if( m_xParent.is() )
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{
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css::uno::Reference< css::accessibility::XAccessibleComponent >
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xParentComp( m_xParent->getAccessibleContext(), uno::UNO_QUERY );
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if( xParentComp.is() )
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bShowing = implGetBoundingBox().Overlaps(
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vcl::unohelper::ConvertToVCLRect(xParentComp->getBounds()));
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}
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return bShowing;
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}
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sal_Int64 AccessibleGridControlBase::implCreateStateSet()
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{
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sal_Int64 nStateSet = 0;
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if( isAlive() )
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{
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// SHOWING done with m_xParent
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if( implIsShowing() )
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nStateSet |= AccessibleStateType::SHOWING;
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// GridControl fills StateSet with states depending on object type
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m_aTable.FillAccessibleStateSet( nStateSet, getType() );
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}
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else
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nStateSet |= AccessibleStateType::DEFUNC;
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return nStateSet;
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}
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// internal helper methods
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bool AccessibleGridControlBase::isAlive() const
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{
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::osl::MutexGuard g(m_aMutex); // guards rBHelper members
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return !rBHelper.bDisposed && !rBHelper.bInDispose;
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}
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void AccessibleGridControlBase::ensureIsAlive() const
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{
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if( !isAlive() )
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throw lang::DisposedException();
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}
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tools::Rectangle AccessibleGridControlBase::getBoundingBox()
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{
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SolarMutexGuard aSolarGuard;
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ensureIsAlive();
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tools::Rectangle aRect = implGetBoundingBox();
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if ( aRect.Left() == 0 && aRect.Top() == 0 && aRect.Right() == 0 && aRect.Bottom() == 0 )
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{
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SAL_WARN( "accessibility", "rectangle doesn't exist" );
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}
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return aRect;
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}
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AbsoluteScreenPixelRectangle AccessibleGridControlBase::getBoundingBoxOnScreen()
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{
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SolarMutexGuard aSolarGuard;
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ensureIsAlive();
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AbsoluteScreenPixelRectangle aRect = implGetBoundingBoxOnScreen();
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if ( aRect.Left() == 0 && aRect.Top() == 0 && aRect.Right() == 0 && aRect.Bottom() == 0 )
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{
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SAL_WARN( "accessibility", "rectangle doesn't exist" );
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}
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return aRect;
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}
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void AccessibleGridControlBase::commitEvent(
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sal_Int16 _nEventId, const Any& _rNewValue, const Any& _rOldValue )
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{
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SolarMutexGuard g;
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if ( !getClientId( ) )
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// if we don't have a client id for the notifier, then we don't have listeners, then
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// we don't need to notify anything
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return;
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// build an event object
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AccessibleEventObject aEvent(*this, _nEventId, _rNewValue, _rOldValue, -1);
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// let the notifier handle this event
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AccessibleEventNotifier::addEvent( getClientId( ), aEvent );
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}
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sal_Int16 SAL_CALL AccessibleGridControlBase::getAccessibleRole()
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{
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ensureIsAlive();
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sal_Int16 nRole = AccessibleRole::UNKNOWN;
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switch ( m_eObjType )
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{
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case AccessibleTableControlObjType::ROWHEADERCELL:
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nRole = AccessibleRole::ROW_HEADER;
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break;
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case AccessibleTableControlObjType::COLUMNHEADERCELL:
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nRole = AccessibleRole::COLUMN_HEADER;
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break;
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case AccessibleTableControlObjType::COLUMNHEADERBAR:
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case AccessibleTableControlObjType::ROWHEADERBAR:
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case AccessibleTableControlObjType::TABLE:
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nRole = AccessibleRole::TABLE;
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break;
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case AccessibleTableControlObjType::TABLECELL:
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nRole = AccessibleRole::TABLE_CELL;
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break;
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case AccessibleTableControlObjType::GRIDCONTROL:
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nRole = AccessibleRole::PANEL;
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break;
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}
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return nRole;
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}
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css::uno::Reference<css::accessibility::XAccessible > SAL_CALL AccessibleGridControlBase::getAccessibleAtPoint( const css::awt::Point& )
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{
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return nullptr;
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}
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sal_Int32 SAL_CALL AccessibleGridControlBase::getForeground( )
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{
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SolarMutexGuard aSolarGuard;
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ensureIsAlive();
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Color nColor;
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vcl::Window* pInst = m_aTable.GetWindowInstance();
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if ( pInst )
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{
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if ( pInst->IsControlForeground() )
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nColor = pInst->GetControlForeground();
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else
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{
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vcl::Font aFont;
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if ( pInst->IsControlFont() )
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aFont = pInst->GetControlFont();
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else
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aFont = pInst->GetFont();
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nColor = aFont.GetColor();
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}
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}
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return sal_Int32(nColor);
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}
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sal_Int32 SAL_CALL AccessibleGridControlBase::getBackground( )
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{
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SolarMutexGuard aSolarGuard;
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ensureIsAlive();
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Color nColor;
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vcl::Window* pInst = m_aTable.GetWindowInstance();
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if ( pInst )
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{
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if ( pInst->IsControlBackground() )
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nColor = pInst->GetControlBackground();
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else
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nColor = pInst->GetBackground().GetColor();
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}
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return sal_Int32(nColor);
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}
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GridControlAccessibleElement::GridControlAccessibleElement( const css::uno::Reference< css::accessibility::XAccessible >& rxParent,
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::vcl::table::IAccessibleTable& rTable,
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::vcl::table::AccessibleTableControlObjType eObjType )
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: GridControlAccessibleElement_Base(rxParent, rTable, eObjType)
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{
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}
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// css::accessibility::XAccessible
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css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL GridControlAccessibleElement::getAccessibleContext()
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{
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SolarMutexGuard g;
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ensureIsAlive();
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return this;
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}
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GridControlAccessibleElement::~GridControlAccessibleElement( )
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{
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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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