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/* -*- 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 <comphelper/accimplaccess.hxx>
#include <com/sun/star/accessibility/XAccessible.hpp>
#include <com/sun/star/accessibility/XAccessibleContext.hpp>
#include <cppuhelper/typeprovider.hxx>
#include <osl/diagnose.h>
#include <set>
#include <string.h>
namespace comphelper
{
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::Exception;
using ::com::sun::star::uno::UNO_QUERY;
using ::com::sun::star::uno::RuntimeException;
using ::com::sun::star::lang::XUnoTunnel;
using ::com::sun::star::accessibility::XAccessible;
using ::com::sun::star::accessibility::XAccessibleContext;
//= OAccImpl_Impl
struct OAccImpl_Impl
{
Reference< XAccessible > m_xAccParent;
sal_Int64 m_nForeignControlledStates;
};
//= OAccessibleImplementationAccess
OAccessibleImplementationAccess::OAccessibleImplementationAccess( )
:m_pImpl( new OAccImpl_Impl )
{
}
OAccessibleImplementationAccess::~OAccessibleImplementationAccess( )
{
delete m_pImpl;
m_pImpl = NULL;
}
Reference< XAccessible > OAccessibleImplementationAccess::implGetForeignControlledParent( ) const
{
return m_pImpl->m_xAccParent;
}
void OAccessibleImplementationAccess::setAccessibleParent( const Reference< XAccessible >& _rxAccParent )
{
m_pImpl->m_xAccParent = _rxAccParent;
}
sal_Int64 OAccessibleImplementationAccess::implGetForeignControlledStates( ) const
{
return m_pImpl->m_nForeignControlledStates;
}
void OAccessibleImplementationAccess::setStateBit( const sal_Int16 _nState, const bool _bSet )
{
OSL_ENSURE( _nState >= 0 && static_cast< sal_uInt16 >(_nState) < sizeof( sal_Int64 ) * 8, "OAccessibleImplementationAccess::setStateBit: no more bits (shutting down the universe now)!" );
sal_uInt64 nBitMask( 1 );
nBitMask <<= _nState;
if ( _bSet )
m_pImpl->m_nForeignControlledStates |= nBitMask;
else
m_pImpl->m_nForeignControlledStates &= ~nBitMask;
}
namespace { struct lcl_ImplId : public rtl::Static< ::cppu::OImplementationId, lcl_ImplId > {}; }
const Sequence< sal_Int8 > OAccessibleImplementationAccess::getUnoTunnelImplementationId()
{
::cppu::OImplementationId &rID = lcl_ImplId::get();
return rID.getImplementationId();
}
sal_Int64 SAL_CALL OAccessibleImplementationAccess::getSomething( const Sequence< sal_Int8 >& _rIdentifier ) throw (RuntimeException, std::exception)
{
sal_Int64 nReturn( 0 );
if ( ( _rIdentifier.getLength() == 16 )
&& ( 0 == memcmp( getUnoTunnelImplementationId().getConstArray(), _rIdentifier.getConstArray(), 16 ) )
)
nReturn = reinterpret_cast< sal_Int64 >( this );
return nReturn;
}
OAccessibleImplementationAccess* OAccessibleImplementationAccess::getImplementation( const Reference< XAccessibleContext >& _rxComponent )
{
OAccessibleImplementationAccess* pImplementation = NULL;
try
{
Reference< XUnoTunnel > xTunnel( _rxComponent, UNO_QUERY );
if ( xTunnel.is() )
{
pImplementation = reinterpret_cast< OAccessibleImplementationAccess* >(
xTunnel->getSomething( getUnoTunnelImplementationId() ) );
}
}
catch( const Exception& )
{
OSL_FAIL( "OAccessibleImplementationAccess::setAccessibleParent: caught an exception while retrieving the implementation!" );
}
return pImplementation;
}
bool OAccessibleImplementationAccess::setAccessibleParent(
const Reference< XAccessibleContext >& _rxComponent, const Reference< XAccessible >& _rxNewParent )
{
OAccessibleImplementationAccess* pImplementation = getImplementation( _rxComponent );
if ( pImplementation )
pImplementation->setAccessibleParent( _rxNewParent );
return ( NULL != pImplementation );
}
} // namespace comphelper
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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