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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <comphelper/accimplaccess.hxx>
#include <com/sun/star/accessibility/XAccessible.hpp>
#include <com/sun/star/accessibility/XAccessibleContext.hpp>
#include <cppuhelper/typeprovider.hxx>
#include <set>
//.........................................................................
namespace comphelper
{
//.........................................................................
#define BITFIELDSIZE ( sizeof( sal_Int64 ) * 8 )
// maximum number of bits we have in a sal_Int64
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 sal_Bool _bSet )
{
OSL_ENSURE( _nState >= 0 && static_cast< sal_uInt16 >(_nState) < BITFIELDSIZE, "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;
}
//---------------------------------------------------------------------
sal_Bool OAccessibleImplementationAccess::setForeignControlledState( const Reference< XAccessibleContext >& _rxComponent, const sal_Int16 _nState,
const sal_Bool _bSet )
{
OAccessibleImplementationAccess* pImplementation = getImplementation( _rxComponent );
if ( pImplementation )
pImplementation->setStateBit( _nState, _bSet );
return ( NULL != pImplementation );
}
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)
{
sal_Int64 nReturn( 0 );
if ( ( _rIdentifier.getLength() == 16 )
&& ( 0 == rtl_compareMemory( 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;
}
//---------------------------------------------------------------------
sal_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: */
|
