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Diffstat (limited to 'comphelper/source/misc/accimplaccess.cxx')
| -rw-r--r-- | comphelper/source/misc/accimplaccess.cxx | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/comphelper/source/misc/accimplaccess.cxx b/comphelper/source/misc/accimplaccess.cxx new file mode 100644 index 000000000000..7128d4e13991 --- /dev/null +++ b/comphelper/source/misc/accimplaccess.cxx @@ -0,0 +1,191 @@ +/* -*- 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. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_comphelper.hxx" +#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 ); + } + + //--------------------------------------------------------------------- + const Sequence< sal_Int8 >& OAccessibleImplementationAccess::getUnoTunnelImplementationId() + { + static Sequence< sal_Int8 > aId; + if ( !aId.getLength() ) + { + ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() ); + if ( !aId.getLength() ) + { + static ::cppu::OImplementationId aImplId; + // unfortunately, the OImplementationId::getImplementationId returns a copy, not a static reference ... + aId = aImplId.getImplementationId(); + } + } + return aId; + } + + //--------------------------------------------------------------------- + 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: */ |