/* -*- 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace ::accessibility; using namespace ::com::sun::star::accessibility; using namespace ::com::sun::star::uno; using namespace ::com::sun::star::awt; using namespace ::com::sun::star::beans; using namespace ::com::sun::star::util; using namespace ::com::sun::star::lang; using namespace ::com::sun::star::reflection; using namespace ::com::sun::star::drawing; using namespace ::com::sun::star::container; namespace { OUString lcl_getNamePropertyName( ) { return "Name"; } OUString lcl_getDescPropertyName( ) { return "HelpText"; } OUString lcl_getLabelPropertyName( ) { return "Label"; } OUString lcl_getLabelControlPropertyName( ) { return "LabelControl"; } // return the property which should be used as AccessibleName OUString lcl_getPreferredAccNameProperty( const Reference< XPropertySetInfo >& _rxPSI ) { if ( _rxPSI.is() && _rxPSI->hasPropertyByName( lcl_getLabelPropertyName() ) ) return lcl_getLabelPropertyName(); else return lcl_getNamePropertyName(); } // determines whether or not a state which belongs to the inner context needs to be forwarded to the "composed" // context bool isComposedState( const sal_Int16 _nState ) { return ( ( AccessibleStateType::INVALID != _nState ) && ( AccessibleStateType::DEFUNC != _nState ) && ( AccessibleStateType::ICONIFIED != _nState ) && ( AccessibleStateType::RESIZABLE != _nState ) && ( AccessibleStateType::SELECTABLE != _nState ) && ( AccessibleStateType::SHOWING != _nState ) && ( AccessibleStateType::MANAGES_DESCENDANTS != _nState ) && ( AccessibleStateType::VISIBLE != _nState ) ); } /// determines whether the given control is in alive mode bool isAliveMode( const Reference< XControl >& _rxControl ) { OSL_PRECOND( _rxControl.is(), "AccessibleControlShape::isAliveMode: invalid control" ); return _rxControl.is() && !_rxControl->isDesignMode(); } } AccessibleControlShape::AccessibleControlShape ( const AccessibleShapeInfo& rShapeInfo, const AccessibleShapeTreeInfo& rShapeTreeInfo) : AccessibleShape (rShapeInfo, rShapeTreeInfo) , m_bListeningForName( false ) , m_bListeningForDesc( false ) , m_bMultiplexingStates( false ) , m_bDisposeNativeContext( false ) , m_bWaitingForControl( false ) { m_pChildManager = new comphelper::OWrappedAccessibleChildrenManager( comphelper::getProcessComponentContext() ); osl_atomic_increment( &m_refCount ); { m_pChildManager->setOwningAccessible( this ); } osl_atomic_decrement( &m_refCount ); } AccessibleControlShape::~AccessibleControlShape() { m_pChildManager.clear(); if ( m_xControlContextProxy.is() ) m_xControlContextProxy->setDelegator( nullptr ); m_xControlContextProxy.clear(); m_xControlContextTypeAccess.clear(); m_xControlContextComponent.clear(); // this should remove the _only_ three "real" reference (means not delegated to // ourself) to this proxy, and thus delete it } namespace { Reference< XContainer > lcl_getControlContainer( const OutputDevice* _pWin, const SdrView* _pView ) { Reference< XContainer > xReturn; DBG_ASSERT( _pView, "lcl_getControlContainer: invalid view!" ); if ( _pView && _pView->GetSdrPageView()) { xReturn.set(_pView->GetSdrPageView()->GetControlContainer( *_pWin ), css::uno::UNO_QUERY); } return xReturn; } } void AccessibleControlShape::Init() { AccessibleShape::Init(); OSL_ENSURE( !m_xControlContextProxy.is(), "AccessibleControlShape::Init: already initialized!" ); try { // What we need to do here is merge the functionality of the AccessibleContext of our UNO control // with our own AccessibleContext-related functionality. // The problem is that we do not know the interfaces our "inner" context supports - this may be any // XAccessibleXXX interface (or even any other) which makes sense for it. // In theory, we could implement all possible interfaces ourself, and re-route all functionality to // the inner context (except those we implement ourself, like XAccessibleComponent). But this is in no // way future-proof - as soon as an inner context appears which implements an additional interface, // we would need to adjust our implementation to support this new interface, too. Bad idea. // The usual solution for such a problem is aggregation. Aggregation means using UNO's own mechanism // for merging an inner with an outer component, and get a component which behaves as it is exactly one. // This is what XAggregation is for. Unfortunately, aggregation requires _exact_ control over the ref count // of the inner object, which we do not have at all. // Bad, too. // But there is a solution: com.sun.star.reflection.ProxyFactory. This service is able to create a proxy // for any component, which supports _exactly_ the same interfaces as the component. In addition, it can // be aggregated, as by definition the proxy's ref count is exactly 1 when returned from the factory. // Sounds better. Though this yields the problem of slightly degraded performance, it's the only solution // I'm aware of at the moment... // get the control which belongs to our model (relative to our view) const OutputDevice* pViewWindow = maShapeTreeInfo.GetDevice(); SdrUnoObj* pUnoObjectImpl = dynamic_cast( GetSdrObjectFromXShape(mxShape) ); SdrView* pView = maShapeTreeInfo.GetSdrView(); OSL_ENSURE( pView && pViewWindow && pUnoObjectImpl, "AccessibleControlShape::Init: no view, or no view window, no SdrUnoObj!" ); if ( pView && pViewWindow && pUnoObjectImpl ) { // get the context of the control - it will be our "inner" context m_xUnoControl = pUnoObjectImpl->GetUnoControl( *pView, *pViewWindow ); if ( !m_xUnoControl.is() ) { // the control has not yet been created. Though speaking strictly, it is a bug that // our instance here is created without an existing control (because an AccessibleControlShape // is a representation of a view object, and can only live if the view it should represent // is complete, which implies a living control), it's by far the easiest and most riskless way // to fix this here in this class. // Okay, we will add as listener to the control container where we expect our control to appear. OSL_ENSURE( !m_bWaitingForControl, "AccessibleControlShape::Init: already waiting for the control!" ); Reference< XContainer > xControlContainer = lcl_getControlContainer( pViewWindow, maShapeTreeInfo.GetSdrView() ); OSL_ENSURE( xControlContainer.is(), "AccessibleControlShape::Init: unable to find my ControlContainer!" ); if ( xControlContainer.is() ) { xControlContainer->addContainerListener( this ); m_bWaitingForControl = true; } } else { Reference< XModeChangeBroadcaster > xControlModes( m_xUnoControl, UNO_QUERY ); Reference< XAccessible > xControlAccessible( xControlModes, UNO_QUERY ); Reference< XAccessibleContext > xNativeControlContext; if ( xControlAccessible.is() ) xNativeControlContext = xControlAccessible->getAccessibleContext(); OSL_ENSURE( xNativeControlContext.is(), "AccessibleControlShape::Init: no AccessibleContext for the control!" ); m_aControlContext = WeakReference< XAccessibleContext >( xNativeControlContext ); // add as listener to the context - we want to multiplex some states if ( isAliveMode( m_xUnoControl ) && xNativeControlContext.is() ) { // (but only in alive mode) startStateMultiplexing( ); } // now that we have all information about our control, do some adjustments adjustAccessibleRole(); initializeComposedState(); // some initialization for our child manager, which is used in alive mode only if ( isAliveMode( m_xUnoControl ) ) { Reference< XAccessibleStateSet > xStates( getAccessibleStateSet( ) ); OSL_ENSURE( xStates.is(), "AccessibleControlShape::AccessibleControlShape: no inner state set!" ); m_pChildManager->setTransientChildren( !xStates.is() || xStates->contains( AccessibleStateType::MANAGES_DESCENDANTS ) ); } // finally, aggregate a proxy for the control context // first a factory for the proxy Reference< XProxyFactory > xFactory = ProxyFactory::create( comphelper::getProcessComponentContext() ); // then the proxy itself if ( xNativeControlContext.is() ) { m_xControlContextProxy = xFactory->createProxy( xNativeControlContext ); m_xControlContextTypeAccess.set( xNativeControlContext, UNO_QUERY_THROW ); m_xControlContextComponent.set( xNativeControlContext, UNO_QUERY_THROW ); // aggregate the proxy osl_atomic_increment( &m_refCount ); if ( m_xControlContextProxy.is() ) { // At this point in time, the proxy has a ref count of exactly one - in m_xControlContextProxy. // Remember to _not_ reset this member unless the delegator of the proxy has been reset, too! m_xControlContextProxy->setDelegator( *this ); } osl_atomic_decrement( &m_refCount ); m_bDisposeNativeContext = true; // Finally, we need to add ourself as mode listener to the control. In case the mode switches, // we need to dispose ourself. xControlModes->addModeChangeListener( this ); } } } } catch( const Exception& ) { OSL_FAIL( "AccessibleControlShape::Init: could not \"aggregate\" the controls XAccessibleContext!" ); } } void SAL_CALL AccessibleControlShape::grabFocus() { if ( !m_xUnoControl.is() || !isAliveMode( m_xUnoControl ) ) { // in design mode, we simply forward the request to the base class AccessibleShape::grabFocus(); } else { Reference< XWindow > xWindow( m_xUnoControl, UNO_QUERY ); OSL_ENSURE( xWindow.is(), "AccessibleControlShape::grabFocus: invalid control!" ); if ( xWindow.is() ) xWindow->setFocus(); } } OUString SAL_CALL AccessibleControlShape::getImplementationName() { return "com.sun.star.comp.accessibility.AccessibleControlShape"; } OUString AccessibleControlShape::CreateAccessibleBaseName() { OUString sName; ShapeTypeId nShapeType = ShapeTypeHandler::Instance().GetTypeId (mxShape); switch (nShapeType) { case DRAWING_CONTROL: sName = "ControlShape"; break; default: sName = "UnknownAccessibleControlShape"; if (mxShape.is()) sName += ": " + mxShape->getShapeType(); } return sName; } OUString AccessibleControlShape::CreateAccessibleDescription() { DescriptionGenerator aDG (mxShape); ShapeTypeId nShapeType = ShapeTypeHandler::Instance().GetTypeId (mxShape); switch (nShapeType) { case DRAWING_CONTROL: { // check if we can obtain the "Desc" property from the model OUString sDesc( getControlModelStringProperty( lcl_getDescPropertyName() ) ); if ( sDesc.isEmpty() ) { // no -> use the default aDG.Initialize (STR_ObjNameSingulUno); aDG.AddProperty ("ControlBackground", DescriptionGenerator::PropertyType::Color); aDG.AddProperty ( "ControlBorder", DescriptionGenerator::PropertyType::Integer); } // ensure that we are listening to the Name property m_bListeningForDesc = ensureListeningState( m_bListeningForDesc, true, lcl_getDescPropertyName() ); } break; default: aDG.Initialize ("Unknown accessible control shape"); if (mxShape.is()) { aDG.AppendString ("service name="); aDG.AppendString (mxShape->getShapeType()); } } return aDG(); } IMPLEMENT_FORWARD_REFCOUNT( AccessibleControlShape, AccessibleShape ) IMPLEMENT_GET_IMPLEMENTATION_ID( AccessibleControlShape ) void SAL_CALL AccessibleControlShape::propertyChange( const PropertyChangeEvent& _rEvent ) { ::osl::MutexGuard aGuard( maMutex ); // check if it is the name or the description if ( _rEvent.PropertyName == lcl_getNamePropertyName() || _rEvent.PropertyName == lcl_getLabelPropertyName() ) { SetAccessibleName( CreateAccessibleName(), AccessibleContextBase::AutomaticallyCreated); } else if ( _rEvent.PropertyName == lcl_getDescPropertyName() ) { SetAccessibleDescription( CreateAccessibleDescription(), AccessibleContextBase::AutomaticallyCreated); } #if OSL_DEBUG_LEVEL > 0 else { OSL_FAIL( "AccessibleControlShape::propertyChange: where did this come from?" ); } #endif } Any SAL_CALL AccessibleControlShape::queryInterface( const Type& _rType ) { Any aReturn = AccessibleShape::queryInterface( _rType ); if ( !aReturn.hasValue() ) { aReturn = AccessibleControlShape_Base::queryInterface( _rType ); if ( !aReturn.hasValue() && m_xControlContextProxy.is() ) aReturn = m_xControlContextProxy->queryAggregation( _rType ); } return aReturn; } Sequence< Type > SAL_CALL AccessibleControlShape::getTypes() { Sequence< Type > aShapeTypes = AccessibleShape::getTypes(); Sequence< Type > aOwnTypes = AccessibleControlShape_Base::getTypes(); Sequence< Type > aAggregateTypes; if ( m_xControlContextTypeAccess.is() ) aAggregateTypes = m_xControlContextTypeAccess->getTypes(); // remove duplicates return comphelper::combineSequences(comphelper::concatSequences( aShapeTypes, aOwnTypes), aAggregateTypes ); } void SAL_CALL AccessibleControlShape::notifyEvent( const AccessibleEventObject& _rEvent ) { if ( AccessibleEventId::STATE_CHANGED == _rEvent.EventId ) { // multiplex this change sal_Int16 nLostState( 0 ), nGainedState( 0 ); _rEvent.OldValue >>= nLostState; _rEvent.NewValue >>= nGainedState; // don't multiplex states which the inner context is not responsible for if ( isComposedState( nLostState ) ) AccessibleShape::ResetState( nLostState ); if ( isComposedState( nGainedState ) ) AccessibleShape::SetState( nGainedState ); } else { AccessibleEventObject aTranslatedEvent( _rEvent ); { ::osl::MutexGuard aGuard( maMutex ); // let the child manager translate the event aTranslatedEvent.Source = *this; m_pChildManager->translateAccessibleEvent( _rEvent, aTranslatedEvent ); // see if any of these notifications affect our child manager m_pChildManager->handleChildNotification( _rEvent ); } FireEvent( aTranslatedEvent ); } } void SAL_CALL AccessibleControlShape::modeChanged(const ModeChangeEvent& rSource) { // did it come from our inner context (the real one, not it's proxy!)? SAL_INFO("sw.uno", "AccessibleControlShape::modeChanged"); Reference xSource(rSource.Source, UNO_QUERY); // for faster compare if(xSource.get() != m_xUnoControl.get()) { SAL_WARN("sw.uno", "AccessibleControlShape::modeChanged: where did this come from?"); return; } SolarMutexGuard g; // If our "pseudo-aggregated" inner context does not live anymore, // we don't want to live, too. This is accomplished by asking our // parent to replace this object with a new one. Disposing this // object and sending notifications about the replacement are in // the responsibility of our parent. const bool bReplaced = mpParent->ReplaceChild(this, mxShape, 0, maShapeTreeInfo); SAL_WARN_IF(!bReplaced, "sw.uno", "AccessibleControlShape::modeChanged: replacing ourselves away did fail"); } void SAL_CALL AccessibleControlShape::disposing (const EventObject& _rSource) { AccessibleShape::disposing( _rSource ); } bool AccessibleControlShape::ensureListeningState( const bool _bCurrentlyListening, const bool _bNeedNewListening, const OUString& _rPropertyName ) { if ( ( _bCurrentlyListening == _bNeedNewListening ) || !ensureControlModelAccess() ) // nothing to do return _bCurrentlyListening; try { if ( !m_xModelPropsMeta.is() || m_xModelPropsMeta->hasPropertyByName( _rPropertyName ) ) { // add or revoke as listener if ( _bNeedNewListening ) m_xControlModel->addPropertyChangeListener( _rPropertyName, static_cast< XPropertyChangeListener* >( this ) ); else m_xControlModel->removePropertyChangeListener( _rPropertyName, static_cast< XPropertyChangeListener* >( this ) ); } else OSL_FAIL( "AccessibleControlShape::ensureListeningState: this property does not exist at this model!" ); } catch( const Exception& ) { OSL_FAIL( "AccessibleControlShape::ensureListeningState: could not change the listening state!" ); } return _bNeedNewListening; } sal_Int32 SAL_CALL AccessibleControlShape::getAccessibleChildCount( ) { if ( !m_xUnoControl.is() ) return 0; else if ( !isAliveMode( m_xUnoControl ) ) // no special action required when in design mode return AccessibleShape::getAccessibleChildCount( ); else { // in alive mode, we have the full control over our children - they are determined by the children // of the context of our UNO control Reference< XAccessibleContext > xControlContext( m_aControlContext ); OSL_ENSURE( xControlContext.is(), "AccessibleControlShape::getAccessibleChildCount: control context already dead! How this!" ); return xControlContext.is() ? xControlContext->getAccessibleChildCount() : 0; } } Reference< XAccessible > SAL_CALL AccessibleControlShape::getAccessibleChild( sal_Int32 i ) { Reference< XAccessible > xChild; if ( !m_xUnoControl.is() ) { throw IndexOutOfBoundsException(); } if ( !isAliveMode( m_xUnoControl ) ) { // no special action required when in design mode - let the base class handle this xChild = AccessibleShape::getAccessibleChild( i ); } else { // in alive mode, we have the full control over our children - they are determined by the children // of the context of our UNO control Reference< XAccessibleContext > xControlContext( m_aControlContext ); OSL_ENSURE( xControlContext.is(), "AccessibleControlShape::getAccessibleChildCount: control context already dead! How this!" ); if ( xControlContext.is() ) { Reference< XAccessible > xInnerChild( xControlContext->getAccessibleChild( i ) ); OSL_ENSURE( xInnerChild.is(), "AccessibleControlShape::getAccessibleChild: control context returned nonsense!" ); if ( xInnerChild.is() ) { // we need to wrap this inner child into an own implementation xChild = m_pChildManager->getAccessibleWrapperFor( xInnerChild ); } } } #if OSL_DEBUG_LEVEL > 0 sal_Int32 nChildIndex = -1; Reference< XAccessibleContext > xContext; if ( xChild.is() ) xContext = xChild->getAccessibleContext( ); if ( xContext.is() ) nChildIndex = xContext->getAccessibleIndexInParent( ); SAL_WARN_IF( nChildIndex != i, "svx", "AccessibleControlShape::getAccessibleChild: index mismatch," " nChildIndex=" << nChildIndex << " vs i=" << i ); #endif return xChild; } Reference< XAccessibleRelationSet > SAL_CALL AccessibleControlShape::getAccessibleRelationSet( ) { utl::AccessibleRelationSetHelper* pRelationSetHelper = new utl::AccessibleRelationSetHelper; ensureControlModelAccess(); AccessibleControlShape* pCtlAccShape = GetLabeledByControlShape(); if(pCtlAccShape) { Reference < XAccessible > xAcc (pCtlAccShape->getAccessibleContext(), UNO_QUERY); css::uno::Sequence< css::uno::Reference< css::uno::XInterface > > aSequence { xAcc }; if( getAccessibleRole() == AccessibleRole::RADIO_BUTTON ) { pRelationSetHelper->AddRelation( AccessibleRelation( AccessibleRelationType::MEMBER_OF, aSequence ) ); } else { pRelationSetHelper->AddRelation( AccessibleRelation( AccessibleRelationType::LABELED_BY, aSequence ) ); } } Reference< XAccessibleRelationSet > xSet = pRelationSetHelper; return xSet; } OUString AccessibleControlShape::CreateAccessibleName() { ensureControlModelAccess(); OUString sName; sal_Int16 aAccessibleRole = getAccessibleRole(); if ( aAccessibleRole != AccessibleRole::SHAPE && aAccessibleRole != AccessibleRole::RADIO_BUTTON ) { AccessibleControlShape* pCtlAccShape = GetLabeledByControlShape(); if(pCtlAccShape) { sName = pCtlAccShape->CreateAccessibleName(); } } if (sName.isEmpty()) { // check if we can obtain the "Name" resp. "Label" property from the model const OUString& rAccNameProperty = lcl_getPreferredAccNameProperty( m_xModelPropsMeta ); sName = getControlModelStringProperty( rAccNameProperty ); if ( !sName.getLength() ) { // no -> use the default sName = AccessibleShape::CreateAccessibleName(); } } // now that somebody first asked us for our name, ensure that we are listening to name changes on the model m_bListeningForName = ensureListeningState( m_bListeningForName, true, lcl_getPreferredAccNameProperty( m_xModelPropsMeta ) ); return sName; } void SAL_CALL AccessibleControlShape::disposing() { // ensure we're not listening m_bListeningForName = ensureListeningState( m_bListeningForName, false, lcl_getPreferredAccNameProperty( m_xModelPropsMeta ) ); m_bListeningForDesc = ensureListeningState( m_bListeningForDesc, false, lcl_getDescPropertyName() ); if ( m_bMultiplexingStates ) stopStateMultiplexing( ); // dispose the child cache/map m_pChildManager->dispose(); // release the model m_xControlModel.clear(); m_xModelPropsMeta.clear(); m_aControlContext = WeakReference< XAccessibleContext >(); // stop listening at the control container (should never be necessary here, but who knows...) if ( m_bWaitingForControl ) { OSL_FAIL( "AccessibleControlShape::disposing: this should never happen!" ); Reference< XContainer > xContainer = lcl_getControlContainer( maShapeTreeInfo.GetDevice(), maShapeTreeInfo.GetSdrView() ); if ( xContainer.is() ) { m_bWaitingForControl = false; xContainer->removeContainerListener( this ); } } // forward the disposal to our inner context if ( m_bDisposeNativeContext ) { // don't listen for mode changes anymore Reference< XModeChangeBroadcaster > xControlModes( m_xUnoControl, UNO_QUERY ); OSL_ENSURE( xControlModes.is(), "AccessibleControlShape::disposing: don't have a mode broadcaster anymore!" ); if ( xControlModes.is() ) xControlModes->removeModeChangeListener( this ); if ( m_xControlContextComponent.is() ) m_xControlContextComponent->dispose(); // do _not_ clear m_xControlContextProxy! This has to be done in the dtor for correct ref-count handling // no need to dispose the proxy/inner context anymore m_bDisposeNativeContext = false; } m_xUnoControl.clear(); // let the base do its stuff AccessibleShape::disposing(); } bool AccessibleControlShape::ensureControlModelAccess() { if ( m_xControlModel.is() ) return true; try { Reference< XControlShape > xShape( mxShape, UNO_QUERY ); if ( xShape.is() ) m_xControlModel.set(xShape->getControl(), css::uno::UNO_QUERY); if ( m_xControlModel.is() ) m_xModelPropsMeta = m_xControlModel->getPropertySetInfo(); } catch( const Exception& ) { OSL_FAIL( "AccessibleControlShape::ensureControlModelAccess: caught an exception!" ); } return m_xControlModel.is(); } void AccessibleControlShape::startStateMultiplexing() { OSL_PRECOND( !m_bMultiplexingStates, "AccessibleControlShape::startStateMultiplexing: already multiplexing!" ); #if OSL_DEBUG_LEVEL > 0 // we should have a control, and it should be in alive mode OSL_PRECOND( isAliveMode( m_xUnoControl ), "AccessibleControlShape::startStateMultiplexing: should be done in alive mode only!" ); #endif // we should have the native context of the control Reference< XAccessibleEventBroadcaster > xBroadcaster( m_aControlContext.get(), UNO_QUERY ); OSL_ENSURE( xBroadcaster.is(), "AccessibleControlShape::startStateMultiplexing: no AccessibleEventBroadcaster on the native context!" ); if ( xBroadcaster.is() ) { xBroadcaster->addAccessibleEventListener( this ); m_bMultiplexingStates = true; } } void AccessibleControlShape::stopStateMultiplexing() { OSL_PRECOND( m_bMultiplexingStates, "AccessibleControlShape::stopStateMultiplexing: not multiplexing!" ); // we should have the native context of the control Reference< XAccessibleEventBroadcaster > xBroadcaster( m_aControlContext.get(), UNO_QUERY ); OSL_ENSURE( xBroadcaster.is(), "AccessibleControlShape::stopStateMultiplexing: no AccessibleEventBroadcaster on the native context!" ); if ( xBroadcaster.is() ) { xBroadcaster->removeAccessibleEventListener( this ); m_bMultiplexingStates = false; } } OUString AccessibleControlShape::getControlModelStringProperty( const OUString& _rPropertyName ) const { OUString sReturn; try { if ( const_cast< AccessibleControlShape* >( this )->ensureControlModelAccess() ) { if ( !m_xModelPropsMeta.is() || m_xModelPropsMeta->hasPropertyByName( _rPropertyName ) ) // ask only if a) the control does not have a PropertySetInfo object or b) it has, and the // property in question is available m_xControlModel->getPropertyValue( _rPropertyName ) >>= sReturn; } } catch( const Exception& ) { OSL_FAIL( "OAccessibleControlContext::getModelStringProperty: caught an exception!" ); } return sReturn; } void AccessibleControlShape::adjustAccessibleRole( ) { // if we're in design mode, we are a simple SHAPE, in alive mode, we use the role of our inner context if ( !isAliveMode( m_xUnoControl ) ) return; // we're in alive mode -> determine the role of the inner context Reference< XAccessibleContext > xNativeContext( m_aControlContext ); OSL_PRECOND( xNativeContext.is(), "AccessibleControlShape::adjustAccessibleRole: no inner context!" ); if ( xNativeContext.is() ) SetAccessibleRole( xNativeContext->getAccessibleRole( ) ); } #ifdef DBG_UTIL bool AccessibleControlShape::SetState( sal_Int16 _nState ) { OSL_ENSURE( !isAliveMode( m_xUnoControl ) || !isComposedState( _nState ), "AccessibleControlShape::SetState: a state which should be determined by the control context is set from outside!" ); return AccessibleShape::SetState( _nState ); } #endif // DBG_UTIL void AccessibleControlShape::initializeComposedState() { if ( !isAliveMode( m_xUnoControl ) ) // no action necessary for design mode return; // get our own state set implementation ::utl::AccessibleStateSetHelper* pComposedStates = static_cast< ::utl::AccessibleStateSetHelper* >( mxStateSet.get() ); OSL_PRECOND( pComposedStates, "AccessibleControlShape::initializeComposedState: no composed set!" ); // we need to reset some states of the composed set, because they either do not apply // for controls in alive mode, or are in the responsibility of the UNO-control, anyway pComposedStates->RemoveState( AccessibleStateType::ENABLED ); // this is controlled by the UNO-control pComposedStates->RemoveState( AccessibleStateType::SENSITIVE ); // this is controlled by the UNO-control pComposedStates->RemoveState( AccessibleStateType::FOCUSABLE ); // this is controlled by the UNO-control pComposedStates->RemoveState( AccessibleStateType::SELECTABLE ); // this does not hold for an alive UNO-control #if OSL_DEBUG_LEVEL > 0 // now, only states which are not in the responsibility of the UNO control should be part of this state set { Sequence< sal_Int16 > aInitStates = pComposedStates->getStates(); for ( sal_Int32 i=0; i xInnerContext( m_aControlContext ); OSL_PRECOND( xInnerContext.is(), "AccessibleControlShape::initializeComposedState: no inner context!" ); if ( xInnerContext.is() ) { // get all states of the inner context Reference< XAccessibleStateSet > xInnerStates( xInnerContext->getAccessibleStateSet() ); OSL_ENSURE( xInnerStates.is(), "AccessibleControlShape::initializeComposedState: no inner states!" ); Sequence< sal_Int16 > aInnerStates; if ( xInnerStates.is() ) aInnerStates = xInnerStates->getStates(); // look which one are to be propagated to the composed context for ( const sal_Int16 nState : aInnerStates ) { if ( isComposedState( nState ) && !pComposedStates->contains( nState ) ) { pComposedStates->AddState( nState ); } } } } void SAL_CALL AccessibleControlShape::elementInserted( const css::container::ContainerEvent& _rEvent ) { Reference< XContainer > xContainer( _rEvent.Source, UNO_QUERY ); Reference< XControl > xControl( _rEvent.Element, UNO_QUERY ); OSL_ENSURE( xContainer.is() && xControl.is(), "AccessibleControlShape::elementInserted: invalid event description!" ); if ( !xControl.is() ) return; ensureControlModelAccess(); Reference< XInterface > xNewNormalized( xControl->getModel(), UNO_QUERY ); Reference< XInterface > xMyModelNormalized( m_xControlModel, UNO_QUERY ); if ( xNewNormalized.get() && xMyModelNormalized.get() ) { // now finally the control for the model we're responsible for has been inserted into the container Reference< XInterface > xKeepAlive( *this ); // first, we're not interested in any more container events if ( xContainer.is() ) { xContainer->removeContainerListener( this ); m_bWaitingForControl = false; } // second, we need to replace ourself with a new version, which now can be based on the // control OSL_VERIFY( mpParent->ReplaceChild ( this, mxShape, 0, maShapeTreeInfo ) ); } } void SAL_CALL AccessibleControlShape::elementRemoved( const css::container::ContainerEvent& ) { // not interested in } void SAL_CALL AccessibleControlShape::elementReplaced( const css::container::ContainerEvent& ) { // not interested in } AccessibleControlShape* AccessibleControlShape::GetLabeledByControlShape( ) { if(m_xControlModel.is()) { const OUString& rAccLabelControlProperty = lcl_getLabelControlPropertyName(); Any sCtlLabelBy; // get the "label by" property value of the control if (::comphelper::hasProperty(rAccLabelControlProperty, m_xControlModel)) { sCtlLabelBy = m_xControlModel->getPropertyValue(rAccLabelControlProperty); if( sCtlLabelBy.hasValue() ) { Reference< XPropertySet > xAsSet (sCtlLabelBy, UNO_QUERY); AccessibleControlShape* pCtlAccShape = mpParent->GetAccControlShapeFromModel(xAsSet.get()); return pCtlAccShape; } } } return nullptr; } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */