1*dde7d3faSAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*dde7d3faSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*dde7d3faSAndrew Rist * or more contributor license agreements. See the NOTICE file 5*dde7d3faSAndrew Rist * distributed with this work for additional information 6*dde7d3faSAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*dde7d3faSAndrew Rist * to you under the Apache License, Version 2.0 (the 8*dde7d3faSAndrew Rist * "License"); you may not use this file except in compliance 9*dde7d3faSAndrew Rist * with the License. You may obtain a copy of the License at 10*dde7d3faSAndrew Rist * 11*dde7d3faSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*dde7d3faSAndrew Rist * 13*dde7d3faSAndrew Rist * Unless required by applicable law or agreed to in writing, 14*dde7d3faSAndrew Rist * software distributed under the License is distributed on an 15*dde7d3faSAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*dde7d3faSAndrew Rist * KIND, either express or implied. See the License for the 17*dde7d3faSAndrew Rist * specific language governing permissions and limitations 18*dde7d3faSAndrew Rist * under the License. 19*dde7d3faSAndrew Rist * 20*dde7d3faSAndrew Rist *************************************************************/ 21*dde7d3faSAndrew Rist 22*dde7d3faSAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 25cdf0e10cSrcweir #include "precompiled_comphelper.hxx" 26cdf0e10cSrcweir #include <comphelper/accimplaccess.hxx> 27cdf0e10cSrcweir #include <com/sun/star/accessibility/XAccessible.hpp> 28cdf0e10cSrcweir #include <com/sun/star/accessibility/XAccessibleContext.hpp> 29cdf0e10cSrcweir #include <cppuhelper/typeprovider.hxx> 30cdf0e10cSrcweir 31cdf0e10cSrcweir #include <set> 32cdf0e10cSrcweir 33cdf0e10cSrcweir //......................................................................... 34cdf0e10cSrcweir namespace comphelper 35cdf0e10cSrcweir { 36cdf0e10cSrcweir //......................................................................... 37cdf0e10cSrcweir 38cdf0e10cSrcweir #define BITFIELDSIZE ( sizeof( sal_Int64 ) * 8 ) 39cdf0e10cSrcweir // maximum number of bits we have in a sal_Int64 40cdf0e10cSrcweir 41cdf0e10cSrcweir using ::com::sun::star::uno::Reference; 42cdf0e10cSrcweir using ::com::sun::star::uno::Sequence; 43cdf0e10cSrcweir using ::com::sun::star::uno::Exception; 44cdf0e10cSrcweir using ::com::sun::star::uno::UNO_QUERY; 45cdf0e10cSrcweir using ::com::sun::star::uno::RuntimeException; 46cdf0e10cSrcweir using ::com::sun::star::lang::XUnoTunnel; 47cdf0e10cSrcweir using ::com::sun::star::accessibility::XAccessible; 48cdf0e10cSrcweir using ::com::sun::star::accessibility::XAccessibleContext; 49cdf0e10cSrcweir 50cdf0e10cSrcweir //===================================================================== 51cdf0e10cSrcweir //= OAccImpl_Impl 52cdf0e10cSrcweir //===================================================================== 53cdf0e10cSrcweir struct OAccImpl_Impl 54cdf0e10cSrcweir { 55cdf0e10cSrcweir Reference< XAccessible > m_xAccParent; 56cdf0e10cSrcweir sal_Int64 m_nForeignControlledStates; 57cdf0e10cSrcweir }; 58cdf0e10cSrcweir 59cdf0e10cSrcweir 60cdf0e10cSrcweir //===================================================================== 61cdf0e10cSrcweir //= OAccessibleImplementationAccess 62cdf0e10cSrcweir //===================================================================== 63cdf0e10cSrcweir //--------------------------------------------------------------------- OAccessibleImplementationAccess()64cdf0e10cSrcweir OAccessibleImplementationAccess::OAccessibleImplementationAccess( ) 65cdf0e10cSrcweir :m_pImpl( new OAccImpl_Impl ) 66cdf0e10cSrcweir { 67cdf0e10cSrcweir } 68cdf0e10cSrcweir 69cdf0e10cSrcweir //--------------------------------------------------------------------- ~OAccessibleImplementationAccess()70cdf0e10cSrcweir OAccessibleImplementationAccess::~OAccessibleImplementationAccess( ) 71cdf0e10cSrcweir { 72cdf0e10cSrcweir delete m_pImpl; 73cdf0e10cSrcweir m_pImpl = NULL; 74cdf0e10cSrcweir } 75cdf0e10cSrcweir 76cdf0e10cSrcweir //--------------------------------------------------------------------- implGetForeignControlledParent() const77cdf0e10cSrcweir Reference< XAccessible > OAccessibleImplementationAccess::implGetForeignControlledParent( ) const 78cdf0e10cSrcweir { 79cdf0e10cSrcweir return m_pImpl->m_xAccParent; 80cdf0e10cSrcweir } 81cdf0e10cSrcweir 82cdf0e10cSrcweir //--------------------------------------------------------------------- setAccessibleParent(const Reference<XAccessible> & _rxAccParent)83cdf0e10cSrcweir void OAccessibleImplementationAccess::setAccessibleParent( const Reference< XAccessible >& _rxAccParent ) 84cdf0e10cSrcweir { 85cdf0e10cSrcweir m_pImpl->m_xAccParent = _rxAccParent; 86cdf0e10cSrcweir } 87cdf0e10cSrcweir 88cdf0e10cSrcweir //--------------------------------------------------------------------- implGetForeignControlledStates() const89cdf0e10cSrcweir sal_Int64 OAccessibleImplementationAccess::implGetForeignControlledStates( ) const 90cdf0e10cSrcweir { 91cdf0e10cSrcweir return m_pImpl->m_nForeignControlledStates; 92cdf0e10cSrcweir } 93cdf0e10cSrcweir 94cdf0e10cSrcweir //--------------------------------------------------------------------- setStateBit(const sal_Int16 _nState,const sal_Bool _bSet)95cdf0e10cSrcweir void OAccessibleImplementationAccess::setStateBit( const sal_Int16 _nState, const sal_Bool _bSet ) 96cdf0e10cSrcweir { 97cdf0e10cSrcweir OSL_ENSURE( _nState >= 0 && static_cast< sal_uInt16 >(_nState) < BITFIELDSIZE, "OAccessibleImplementationAccess::setStateBit: no more bits (shutting down the universe now)!" ); 98cdf0e10cSrcweir 99cdf0e10cSrcweir sal_uInt64 nBitMask( 1 ); 100cdf0e10cSrcweir nBitMask <<= _nState; 101cdf0e10cSrcweir if ( _bSet ) 102cdf0e10cSrcweir m_pImpl->m_nForeignControlledStates |= nBitMask; 103cdf0e10cSrcweir else 104cdf0e10cSrcweir m_pImpl->m_nForeignControlledStates &= ~nBitMask; 105cdf0e10cSrcweir } 106cdf0e10cSrcweir 107cdf0e10cSrcweir //--------------------------------------------------------------------- setForeignControlledState(const Reference<XAccessibleContext> & _rxComponent,const sal_Int16 _nState,const sal_Bool _bSet)108cdf0e10cSrcweir sal_Bool OAccessibleImplementationAccess::setForeignControlledState( const Reference< XAccessibleContext >& _rxComponent, const sal_Int16 _nState, 109cdf0e10cSrcweir const sal_Bool _bSet ) 110cdf0e10cSrcweir { 111cdf0e10cSrcweir OAccessibleImplementationAccess* pImplementation = getImplementation( _rxComponent ); 112cdf0e10cSrcweir 113cdf0e10cSrcweir if ( pImplementation ) 114cdf0e10cSrcweir pImplementation->setStateBit( _nState, _bSet ); 115cdf0e10cSrcweir 116cdf0e10cSrcweir return ( NULL != pImplementation ); 117cdf0e10cSrcweir } 118cdf0e10cSrcweir 119cdf0e10cSrcweir //--------------------------------------------------------------------- getUnoTunnelImplementationId()120cdf0e10cSrcweir const Sequence< sal_Int8 >& OAccessibleImplementationAccess::getUnoTunnelImplementationId() 121cdf0e10cSrcweir { 122cdf0e10cSrcweir static Sequence< sal_Int8 > aId; 123cdf0e10cSrcweir if ( !aId.getLength() ) 124cdf0e10cSrcweir { 125cdf0e10cSrcweir ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() ); 126cdf0e10cSrcweir if ( !aId.getLength() ) 127cdf0e10cSrcweir { 128cdf0e10cSrcweir static ::cppu::OImplementationId aImplId; 129cdf0e10cSrcweir // unfortunately, the OImplementationId::getImplementationId returns a copy, not a static reference ... 130cdf0e10cSrcweir aId = aImplId.getImplementationId(); 131cdf0e10cSrcweir } 132cdf0e10cSrcweir } 133cdf0e10cSrcweir return aId; 134cdf0e10cSrcweir } 135cdf0e10cSrcweir 136cdf0e10cSrcweir //--------------------------------------------------------------------- getSomething(const Sequence<sal_Int8> & _rIdentifier)137cdf0e10cSrcweir sal_Int64 SAL_CALL OAccessibleImplementationAccess::getSomething( const Sequence< sal_Int8 >& _rIdentifier ) throw (RuntimeException) 138cdf0e10cSrcweir { 139cdf0e10cSrcweir sal_Int64 nReturn( 0 ); 140cdf0e10cSrcweir 141cdf0e10cSrcweir if ( ( _rIdentifier.getLength() == 16 ) 142cdf0e10cSrcweir && ( 0 == rtl_compareMemory( getUnoTunnelImplementationId().getConstArray(), _rIdentifier.getConstArray(), 16 ) ) 143cdf0e10cSrcweir ) 144cdf0e10cSrcweir nReturn = reinterpret_cast< sal_Int64 >( this ); 145cdf0e10cSrcweir 146cdf0e10cSrcweir return nReturn; 147cdf0e10cSrcweir } 148cdf0e10cSrcweir 149cdf0e10cSrcweir //--------------------------------------------------------------------- getImplementation(const Reference<XAccessibleContext> & _rxComponent)150cdf0e10cSrcweir OAccessibleImplementationAccess* OAccessibleImplementationAccess::getImplementation( const Reference< XAccessibleContext >& _rxComponent ) 151cdf0e10cSrcweir { 152cdf0e10cSrcweir OAccessibleImplementationAccess* pImplementation = NULL; 153cdf0e10cSrcweir try 154cdf0e10cSrcweir { 155cdf0e10cSrcweir Reference< XUnoTunnel > xTunnel( _rxComponent, UNO_QUERY ); 156cdf0e10cSrcweir if ( xTunnel.is() ) 157cdf0e10cSrcweir { 158cdf0e10cSrcweir pImplementation = reinterpret_cast< OAccessibleImplementationAccess* >( 159cdf0e10cSrcweir xTunnel->getSomething( getUnoTunnelImplementationId() ) ); 160cdf0e10cSrcweir } 161cdf0e10cSrcweir } 162cdf0e10cSrcweir catch( const Exception& ) 163cdf0e10cSrcweir { 164cdf0e10cSrcweir OSL_ENSURE( sal_False, "OAccessibleImplementationAccess::setAccessibleParent: caught an exception while retrieving the implementation!" ); 165cdf0e10cSrcweir } 166cdf0e10cSrcweir return pImplementation; 167cdf0e10cSrcweir } 168cdf0e10cSrcweir 169cdf0e10cSrcweir //--------------------------------------------------------------------- setAccessibleParent(const Reference<XAccessibleContext> & _rxComponent,const Reference<XAccessible> & _rxNewParent)170cdf0e10cSrcweir sal_Bool OAccessibleImplementationAccess::setAccessibleParent( 171cdf0e10cSrcweir const Reference< XAccessibleContext >& _rxComponent, const Reference< XAccessible >& _rxNewParent ) 172cdf0e10cSrcweir { 173cdf0e10cSrcweir OAccessibleImplementationAccess* pImplementation = getImplementation( _rxComponent ); 174cdf0e10cSrcweir 175cdf0e10cSrcweir if ( pImplementation ) 176cdf0e10cSrcweir pImplementation->setAccessibleParent( _rxNewParent ); 177cdf0e10cSrcweir 178cdf0e10cSrcweir return ( NULL != pImplementation ); 179cdf0e10cSrcweir } 180cdf0e10cSrcweir 181cdf0e10cSrcweir //......................................................................... 182cdf0e10cSrcweir } // namespace comphelper 183cdf0e10cSrcweir //......................................................................... 184cdf0e10cSrcweir 185cdf0e10cSrcweir 186