| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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_ENSURE( sal_False, "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 |
| //......................................................................... |
| |
| |
