/* -*- 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 "accpara.hxx" #include using namespace sw::access; using namespace ::com::sun::star; using namespace ::com::sun::star::accessibility; void SwAccessibleContext::InitStates() { m_isShowingState = GetMap() && IsShowing( *(GetMap()) ); SwViewShell *pVSh = GetMap()->GetShell(); m_isEditableState = pVSh && IsEditable( pVSh ); m_isOpaqueState = pVSh && IsOpaque( pVSh ); m_isDefuncState = false; } void SwAccessibleContext::SetParent( SwAccessibleContext *pParent ) { osl::MutexGuard aGuard( m_Mutex ); uno::Reference < XAccessible > xParent( pParent ); m_xWeakParent = xParent; } uno::Reference< XAccessible > SwAccessibleContext::GetWeakParent() const { osl::MutexGuard aGuard( m_Mutex ); uno::Reference< XAccessible > xParent( m_xWeakParent ); return xParent; } vcl::Window *SwAccessibleContext::GetWindow() { vcl::Window *pWin = nullptr; if( GetMap() ) { const SwViewShell *pVSh = GetMap()->GetShell(); OSL_ENSURE( pVSh, "no view shell" ); if( pVSh ) pWin = pVSh->GetWin(); OSL_ENSURE( pWin, "no window" ); } return pWin; } // get SwViewShell from accessibility map, and cast to cursor shell SwCursorShell* SwAccessibleContext::GetCursorShell() { SwCursorShell* pCursorShell; SwViewShell* pViewShell = GetMap() ? GetMap()->GetShell() : nullptr; OSL_ENSURE( pViewShell, "no view shell" ); if( pViewShell && dynamic_cast( pViewShell) != nullptr ) pCursorShell = static_cast( pViewShell ); else pCursorShell = nullptr; return pCursorShell; } const SwCursorShell* SwAccessibleContext::GetCursorShell() const { // just like non-const GetCursorShell const SwCursorShell* pCursorShell; const SwViewShell* pViewShell = GetMap() ? GetMap()->GetShell() : nullptr; OSL_ENSURE( pViewShell, "no view shell" ); if( pViewShell && dynamic_cast( pViewShell) != nullptr ) pCursorShell = static_cast( pViewShell ); else pCursorShell = nullptr; return pCursorShell; } enum class Action { NONE, SCROLLED, SCROLLED_WITHIN, SCROLLED_IN, SCROLLED_OUT }; void SwAccessibleContext::ChildrenScrolled( const SwFrame *pFrame, const SwRect& rOldVisArea ) { const SwRect& rNewVisArea = GetVisArea(); const bool bVisibleChildrenOnly = SwAccessibleChild( pFrame ).IsVisibleChildrenOnly(); const SwAccessibleChildSList aList( *pFrame, *(GetMap()) ); SwAccessibleChildSList::const_iterator aIter( aList.begin() ); while( aIter != aList.end() ) { const SwAccessibleChild& rLower = *aIter; const SwRect aBox( rLower.GetBox( *(GetMap()) ) ); if( rLower.IsAccessible( GetShell()->IsPreview() ) ) { Action eAction = Action::NONE; if( aBox.IsOver( rNewVisArea ) ) { if( aBox.IsOver( rOldVisArea ) ) { eAction = Action::SCROLLED_WITHIN; } else { if ( bVisibleChildrenOnly && !rLower.AlwaysIncludeAsChild() ) { eAction = Action::SCROLLED_IN; } else { eAction = Action::SCROLLED; } } } else if( aBox.IsOver( rOldVisArea ) ) { if ( bVisibleChildrenOnly && !rLower.AlwaysIncludeAsChild() ) { eAction = Action::SCROLLED_OUT; } else { eAction = Action::SCROLLED; } } else if( !bVisibleChildrenOnly || rLower.AlwaysIncludeAsChild() ) { // This wouldn't be required if the SwAccessibleFrame, // wouldn't know about the visible area. eAction = Action::SCROLLED; } if( Action::NONE != eAction ) { if ( rLower.GetSwFrame() ) { OSL_ENSURE( !rLower.AlwaysIncludeAsChild(), " - always included child not considered!" ); const SwFrame* pLower( rLower.GetSwFrame() ); ::rtl::Reference< SwAccessibleContext > xAccImpl = GetMap()->GetContextImpl( pLower ); if( xAccImpl.is() ) { switch( eAction ) { case Action::SCROLLED: xAccImpl->Scrolled( rOldVisArea ); break; case Action::SCROLLED_WITHIN: xAccImpl->ScrolledWithin( rOldVisArea ); break; case Action::SCROLLED_IN: xAccImpl->ScrolledIn(); break; case Action::SCROLLED_OUT: xAccImpl->ScrolledOut( rOldVisArea ); break; case Action::NONE: break; } } else { ChildrenScrolled( pLower, rOldVisArea ); } } else if ( rLower.GetDrawObject() ) { OSL_ENSURE( !rLower.AlwaysIncludeAsChild(), " - always included child not considered!" ); ::rtl::Reference< ::accessibility::AccessibleShape > xAccImpl = GetMap()->GetContextImpl( rLower.GetDrawObject(), this ); if( xAccImpl.is() ) { switch( eAction ) { case Action::SCROLLED: case Action::SCROLLED_WITHIN: xAccImpl->ViewForwarderChanged( ::accessibility::IAccessibleViewForwarderListener::VISIBLE_AREA, GetMap() ); break; case Action::SCROLLED_IN: ScrolledInShape( rLower.GetDrawObject(), xAccImpl.get() ); break; case Action::SCROLLED_OUT: { xAccImpl->ViewForwarderChanged( ::accessibility::IAccessibleViewForwarderListener::VISIBLE_AREA, GetMap() ); } break; // coverity[dead_error_begin] - following conditions exist to avoid compiler warning case Action::NONE: break; } } } else if ( rLower.GetWindow() ) { // nothing to do - as such children are always included as children. OSL_ENSURE( rLower.AlwaysIncludeAsChild(), " - not always included child not considered!" ); } } } else if ( rLower.GetSwFrame() && ( !bVisibleChildrenOnly || aBox.IsOver( rOldVisArea ) || aBox.IsOver( rNewVisArea ) ) ) { // There are no unaccessible SdrObjects that need to be notified ChildrenScrolled( rLower.GetSwFrame(), rOldVisArea ); } ++aIter; } } void SwAccessibleContext::Scrolled( const SwRect& rOldVisArea ) { SetVisArea( GetMap()->GetVisArea() ); ChildrenScrolled( GetFrame(), rOldVisArea ); bool bIsOldShowingState; bool bIsNewShowingState = IsShowing( *(GetMap()) ); { osl::MutexGuard aGuard( m_Mutex ); bIsOldShowingState = m_isShowingState; m_isShowingState = bIsNewShowingState; } if( bIsOldShowingState != bIsNewShowingState ) FireStateChangedEvent( AccessibleStateType::SHOWING, bIsNewShowingState ); } void SwAccessibleContext::ScrolledWithin( const SwRect& rOldVisArea ) { SetVisArea( GetMap()->GetVisArea() ); ChildrenScrolled( GetFrame(), rOldVisArea ); FireVisibleDataEvent(); } void SwAccessibleContext::ScrolledIn() { // This accessible should be freshly created, because it // was not visible before. Therefore, its vis area must already // reflect the scrolling. OSL_ENSURE( GetVisArea() == GetMap()->GetVisArea(), "Vis area of child is wrong. Did it exist already?" ); // Send child event at parent. That's all we have to do here. const SwFrame* pParent = GetParent(); ::rtl::Reference< SwAccessibleContext > xParentImpl( GetMap()->GetContextImpl( pParent, false ) ); uno::Reference < XAccessibleContext > xThis( this ); if( xParentImpl.is() ) { SetParent( xParentImpl.get() ); AccessibleEventObject aEvent; aEvent.EventId = AccessibleEventId::CHILD; aEvent.NewValue <<= xThis; xParentImpl->FireAccessibleEvent( aEvent ); if( HasCursor() ) { vcl::Window *pWin = GetWindow(); if( pWin && pWin->HasFocus() ) { FireStateChangedEvent( AccessibleStateType::FOCUSED, true ); } } } } void SwAccessibleContext::ScrolledOut( const SwRect& rOldVisArea ) { SetVisArea( GetMap()->GetVisArea() ); // First of all, update the children. That's required to dispose // all children that are existing only if they are visible. They // are not disposed by the recursive Dispose call that follows later on, // because this call will only dispose children that are in the // new vis area. The children we want to dispose however are in the // old vis area all. ChildrenScrolled( GetFrame(), rOldVisArea ); // Broadcast a state changed event for the showing state. // It might be that the child is freshly created just to send // the child event. In this case no listener will exist. FireStateChangedEvent( AccessibleStateType::SHOWING, false ); } // #i27301# - use new type definition for <_nStates> void SwAccessibleContext::InvalidateChildrenStates( const SwFrame* _pFrame, AccessibleStates _nStates ) { const SwAccessibleChildSList aVisList( GetVisArea(), *_pFrame, *(GetMap()) ); SwAccessibleChildSList::const_iterator aIter( aVisList.begin() ); while( aIter != aVisList.end() ) { const SwAccessibleChild& rLower = *aIter; const SwFrame* pLower = rLower.GetSwFrame(); if( pLower ) { ::rtl::Reference< SwAccessibleContext > xAccImpl; if( rLower.IsAccessible( GetShell()->IsPreview() ) ) xAccImpl = GetMap()->GetContextImpl( pLower, false ); if( xAccImpl.is() ) xAccImpl->InvalidateStates( _nStates ); else InvalidateChildrenStates( pLower, _nStates ); } else if ( rLower.GetDrawObject() ) { // TODO: SdrObjects } else if ( rLower.GetWindow() ) { // nothing to do ? } ++aIter; } } void SwAccessibleContext::DisposeChildren( const SwFrame *pFrame, bool bRecursive ) { const SwAccessibleChildSList aVisList( GetVisArea(), *pFrame, *(GetMap()) ); SwAccessibleChildSList::const_iterator aIter( aVisList.begin() ); while( aIter != aVisList.end() ) { const SwAccessibleChild& rLower = *aIter; const SwFrame* pLower = rLower.GetSwFrame(); if( pLower ) { ::rtl::Reference< SwAccessibleContext > xAccImpl; if( rLower.IsAccessible( GetShell()->IsPreview() ) ) xAccImpl = GetMap()->GetContextImpl( pLower, false ); if( xAccImpl.is() ) xAccImpl->Dispose( bRecursive ); else if( bRecursive ) DisposeChildren( pLower, bRecursive ); } else if ( rLower.GetDrawObject() ) { ::rtl::Reference< ::accessibility::AccessibleShape > xAccImpl( GetMap()->GetContextImpl( rLower.GetDrawObject(), this, false ) ); if( xAccImpl.is() ) DisposeShape( rLower.GetDrawObject(), xAccImpl.get() ); } else if ( rLower.GetWindow() ) { DisposeChild( rLower, false ); } ++aIter; } } void SwAccessibleContext::_InvalidateContent( bool ) { } void SwAccessibleContext::_InvalidateCursorPos() { } void SwAccessibleContext::_InvalidateFocus() { } void SwAccessibleContext::FireAccessibleEvent( AccessibleEventObject& rEvent ) { OSL_ENSURE( GetFrame(), "fire event for disposed frame?" ); if( !GetFrame() ) return; if( !rEvent.Source.is() ) { uno::Reference < XAccessibleContext > xThis( this ); rEvent.Source = xThis; } if (m_nClientId) comphelper::AccessibleEventNotifier::addEvent( m_nClientId, rEvent ); } void SwAccessibleContext::FireVisibleDataEvent() { AccessibleEventObject aEvent; aEvent.EventId = AccessibleEventId::VISIBLE_DATA_CHANGED; FireAccessibleEvent( aEvent ); } void SwAccessibleContext::FireStateChangedEvent( sal_Int16 nState, bool bNewState ) { AccessibleEventObject aEvent; aEvent.EventId = AccessibleEventId::STATE_CHANGED; if( bNewState ) aEvent.NewValue <<= nState; else aEvent.OldValue <<= nState; FireAccessibleEvent( aEvent ); } void SwAccessibleContext::GetStates( ::utl::AccessibleStateSetHelper& rStateSet ) { SolarMutexGuard aGuard; // SHOWING if (m_isShowingState) rStateSet.AddState( AccessibleStateType::SHOWING ); // EDITABLE if (m_isEditableState) //Set editable state to graphic and other object when the document is editable { rStateSet.AddState( AccessibleStateType::EDITABLE ); rStateSet.AddState( AccessibleStateType::RESIZABLE ); rStateSet.AddState( AccessibleStateType::MOVEABLE ); } // ENABLED rStateSet.AddState( AccessibleStateType::ENABLED ); // OPAQUE if (m_isOpaqueState) rStateSet.AddState( AccessibleStateType::OPAQUE ); // VISIBLE rStateSet.AddState( AccessibleStateType::VISIBLE ); if (m_isDefuncState) rStateSet.AddState( AccessibleStateType::DEFUNC ); } bool SwAccessibleContext::IsEditableState() { bool bRet; { osl::MutexGuard aGuard( m_Mutex ); bRet = m_isEditableState; } return bRet; } SwAccessibleContext::SwAccessibleContext( SwAccessibleMap *const pMap, sal_Int16 const nRole, const SwFrame *pF ) : SwAccessibleFrame( pMap->GetVisArea().SVRect(), pF, pMap->GetShell()->IsPreview() ) , m_pMap( pMap ) , m_nClientId(0) , m_nRole(nRole) , m_isDisposing( false ) , m_isRegisteredAtAccessibleMap( true ) , m_isSelectedInDoc(false) { InitStates(); } SwAccessibleContext::~SwAccessibleContext() { SolarMutexGuard aGuard; RemoveFrameFromAccessibleMap(); } uno::Reference< XAccessibleContext > SAL_CALL SwAccessibleContext::getAccessibleContext() throw (uno::RuntimeException, std::exception) { uno::Reference < XAccessibleContext > xRet( this ); return xRet; } sal_Int32 SAL_CALL SwAccessibleContext::getAccessibleChildCount() throw (uno::RuntimeException, std::exception) { SolarMutexGuard aGuard; CHECK_FOR_DEFUNC( XAccessibleContext ) //Notify the frame is a document if (m_nRole == AccessibleRole::DOCUMENT_TEXT) bIsAccDocUse = true; return m_isDisposing ? 0 : GetChildCount( *(GetMap()) ); } uno::Reference< XAccessible> SAL_CALL SwAccessibleContext::getAccessibleChild( sal_Int32 nIndex ) throw (uno::RuntimeException, lang::IndexOutOfBoundsException, std::exception) { SolarMutexGuard aGuard; CHECK_FOR_DEFUNC( XAccessibleContext ) //Notify the frame is a document if (m_nRole == AccessibleRole::DOCUMENT_TEXT) bIsAccDocUse = true; const SwAccessibleChild aChild( GetChild( *(GetMap()), nIndex ) ); if( !aChild.IsValid() ) { uno::Reference < XAccessibleContext > xThis( this ); lang::IndexOutOfBoundsException aExcept( OUString( "index out of bounds" ), xThis ); throw aExcept; } uno::Reference< XAccessible > xChild; if( aChild.GetSwFrame() ) { ::rtl::Reference < SwAccessibleContext > xChildImpl( GetMap()->GetContextImpl( aChild.GetSwFrame(), !m_isDisposing ) ); if( xChildImpl.is() ) { xChildImpl->SetParent( this ); xChild = xChildImpl.get(); } } else if ( aChild.GetDrawObject() ) { ::rtl::Reference < ::accessibility::AccessibleShape > xChildImpl( GetMap()->GetContextImpl( aChild.GetDrawObject(), this, !m_isDisposing) ); if( xChildImpl.is() ) xChild = xChildImpl.get(); } else if ( aChild.GetWindow() ) { xChild = aChild.GetWindow()->GetAccessible(); } return xChild; } uno::Reference< XAccessible> SAL_CALL SwAccessibleContext::getAccessibleParent() throw (uno::RuntimeException, std::exception) { SolarMutexGuard aGuard; CHECK_FOR_DEFUNC( XAccessibleContext ) const SwFrame *pUpper = GetParent(); OSL_ENSURE( pUpper != nullptr || m_isDisposing, "no upper found" ); uno::Reference< XAccessible > xAcc; if( pUpper ) xAcc = GetMap()->GetContext( pUpper, !m_isDisposing ); OSL_ENSURE( xAcc.is() || m_isDisposing, "no parent found" ); // Remember the parent as weak ref. { osl::MutexGuard aWeakParentGuard( m_Mutex ); m_xWeakParent = xAcc; } return xAcc; } sal_Int32 SAL_CALL SwAccessibleContext::getAccessibleIndexInParent() throw (uno::RuntimeException, std::exception) { SolarMutexGuard aGuard; CHECK_FOR_DEFUNC( XAccessibleContext ) const SwFrame *pUpper = GetParent(); OSL_ENSURE( pUpper != nullptr || m_isDisposing, "no upper found" ); sal_Int32 nIndex = -1; if( pUpper ) { ::rtl::Reference < SwAccessibleContext > xAccImpl( GetMap()->GetContextImpl(pUpper, !m_isDisposing) ); OSL_ENSURE( xAccImpl.is() || m_isDisposing, "no parent found" ); if( xAccImpl.is() ) nIndex = xAccImpl->GetChildIndex( *(GetMap()), SwAccessibleChild(GetFrame()) ); } return nIndex; } sal_Int16 SAL_CALL SwAccessibleContext::getAccessibleRole() throw (uno::RuntimeException, std::exception) { return m_nRole; } OUString SAL_CALL SwAccessibleContext::getAccessibleDescription() throw (uno::RuntimeException, std::exception) { OSL_ENSURE(false, "description needs to be overriden"); THROW_RUNTIME_EXCEPTION( XAccessibleContext, "internal error (method must be overridden)" ); } OUString SAL_CALL SwAccessibleContext::getAccessibleName() throw (uno::RuntimeException, std::exception) { return m_sName; } uno::Reference< XAccessibleRelationSet> SAL_CALL SwAccessibleContext::getAccessibleRelationSet() throw (uno::RuntimeException, std::exception) { // by default there are no relations uno::Reference< XAccessibleRelationSet> xRet( new utl::AccessibleRelationSetHelper() ); return xRet; } uno::Reference SAL_CALL SwAccessibleContext::getAccessibleStateSet() throw (uno::RuntimeException, std::exception) { SolarMutexGuard aGuard; CHECK_FOR_DEFUNC( XAccessibleContext ) ::utl::AccessibleStateSetHelper *pStateSet = new ::utl::AccessibleStateSetHelper; if (m_isSelectedInDoc) pStateSet->AddState( AccessibleStateType::SELECTED ); uno::Reference xStateSet( pStateSet ); GetStates( *pStateSet ); return xStateSet; } lang::Locale SAL_CALL SwAccessibleContext::getLocale() throw (IllegalAccessibleComponentStateException, uno::RuntimeException, std::exception) { SolarMutexGuard aGuard; lang::Locale aLoc( Application::GetSettings().GetLanguageTag().getLocale() ); return aLoc; } void SAL_CALL SwAccessibleContext::addAccessibleEventListener( const uno::Reference< XAccessibleEventListener >& xListener ) throw (uno::RuntimeException, std::exception) { if (xListener.is()) { SolarMutexGuard aGuard; if (!m_nClientId) m_nClientId = comphelper::AccessibleEventNotifier::registerClient( ); comphelper::AccessibleEventNotifier::addEventListener( m_nClientId, xListener ); } } void SAL_CALL SwAccessibleContext::removeAccessibleEventListener( const uno::Reference< XAccessibleEventListener >& xListener ) throw (uno::RuntimeException, std::exception) { if (xListener.is()) { SolarMutexGuard aGuard; sal_Int32 nListenerCount = comphelper::AccessibleEventNotifier::removeEventListener( m_nClientId, xListener ); if ( !nListenerCount ) { // no listeners anymore // -> revoke ourself. This may lead to the notifier thread dying (if we were the last client), // and at least to us not firing any events anymore, in case somebody calls // NotifyAccessibleEvent, again comphelper::AccessibleEventNotifier::revokeClient( m_nClientId ); m_nClientId = 0; } } } static bool lcl_PointInRectangle(const awt::Point & aPoint, const awt::Rectangle & aRect) { long nDiffX = aPoint.X - aRect.X; long nDiffY = aPoint.Y - aRect.Y; return nDiffX >= 0 && nDiffX < aRect.Width && nDiffY >= 0 && nDiffY < aRect.Height; } sal_Bool SAL_CALL SwAccessibleContext::containsPoint( const awt::Point& aPoint ) throw (uno::RuntimeException, std::exception) { awt::Rectangle aPixBounds = getBoundsImpl(true); aPixBounds.X = 0; aPixBounds.Y = 0; return lcl_PointInRectangle(aPoint, aPixBounds); } uno::Reference< XAccessible > SAL_CALL SwAccessibleContext::getAccessibleAtPoint( const awt::Point& aPoint ) throw (uno::RuntimeException, std::exception) { SolarMutexGuard aGuard; CHECK_FOR_DEFUNC( XAccessibleComponent ) uno::Reference< XAccessible > xAcc; vcl::Window *pWin = GetWindow(); CHECK_FOR_WINDOW( XAccessibleComponent, pWin ) Point aPixPoint( aPoint.X, aPoint.Y ); // px rel to parent if( !GetFrame()->IsRootFrame() ) { SwRect aLogBounds( GetBounds( *(GetMap()), GetFrame() ) ); // twip rel to doc root Point aPixPos( GetMap()->CoreToPixel( aLogBounds.SVRect() ).TopLeft() ); aPixPoint.setX(aPixPoint.getX() + aPixPos.getX()); aPixPoint.setY(aPixPoint.getY() + aPixPos.getY()); } const SwAccessibleChild aChild( GetChildAtPixel( aPixPoint, *(GetMap()) ) ); if( aChild.GetSwFrame() ) { xAcc = GetMap()->GetContext( aChild.GetSwFrame() ); } else if( aChild.GetDrawObject() ) { xAcc = GetMap()->GetContext( aChild.GetDrawObject(), this ); } else if ( aChild.GetWindow() ) { xAcc = aChild.GetWindow()->GetAccessible(); } return xAcc; } /** Get bounding box. There are two modes. - relative Return bounding box relative to parent if parent is no root frame. Otherwise return the absolute bounding box. - absolute Return the absolute bounding box. @param bRelative true: Use relative mode. false: Use absolute mode. */ awt::Rectangle SAL_CALL SwAccessibleContext::getBoundsImpl(bool bRelative) throw (uno::RuntimeException, std::exception) { SolarMutexGuard aGuard; CHECK_FOR_DEFUNC( XAccessibleComponent ) const SwFrame *pParent = GetParent(); OSL_ENSURE( pParent, "no Parent found" ); vcl::Window *pWin = GetWindow(); CHECK_FOR_WINDOW( XAccessibleComponent, pWin && pParent ) SwRect aLogBounds( GetBounds( *(GetMap()), GetFrame() ) ); // twip rel to doc root Rectangle aPixBounds( 0, 0, 0, 0 ); if( GetFrame()->IsPageFrame() && static_cast < const SwPageFrame * >( GetFrame() )->IsEmptyPage() ) { OSL_ENSURE( GetShell()->IsPreview(), "empty page accessible?" ); if( GetShell()->IsPreview() ) { // adjust method call GetPreviewPageSize()> sal_uInt16 nPageNum = static_cast < const SwPageFrame * >( GetFrame() )->GetPhyPageNum(); aLogBounds.SSize( GetMap()->GetPreviewPageSize( nPageNum ) ); } } if( !aLogBounds.IsEmpty() ) { aPixBounds = GetMap()->CoreToPixel( aLogBounds.SVRect() ); if( !pParent->IsRootFrame() && bRelative) { SwRect aParentLogBounds( GetBounds( *(GetMap()), pParent ) ); // twip rel to doc root Point aParentPixPos( GetMap()->CoreToPixel( aParentLogBounds.SVRect() ).TopLeft() ); aPixBounds.Move( -aParentPixPos.getX(), -aParentPixPos.getY() ); } } awt::Rectangle aBox( aPixBounds.Left(), aPixBounds.Top(), aPixBounds.GetWidth(), aPixBounds.GetHeight() ); return aBox; } awt::Rectangle SAL_CALL SwAccessibleContext::getBounds() throw (uno::RuntimeException, std::exception) { return getBoundsImpl(true); } awt::Point SAL_CALL SwAccessibleContext::getLocation() throw (uno::RuntimeException, std::exception) { awt::Rectangle aRect = getBoundsImpl(true); awt::Point aPoint(aRect.X, aRect.Y); return aPoint; } awt::Point SAL_CALL SwAccessibleContext::getLocationOnScreen() throw (uno::RuntimeException, std::exception) { awt::Rectangle aRect = getBoundsImpl(false); Point aPixPos(aRect.X, aRect.Y); vcl::Window *pWin = GetWindow(); CHECK_FOR_WINDOW( XAccessibleComponent, pWin ) aPixPos = pWin->OutputToAbsoluteScreenPixel(aPixPos); awt::Point aPoint(aPixPos.getX(), aPixPos.getY()); return aPoint; } awt::Size SAL_CALL SwAccessibleContext::getSize() throw (uno::RuntimeException, std::exception) { awt::Rectangle aRect = getBoundsImpl(false); awt::Size aSize( aRect.Width, aRect.Height ); return aSize; } void SAL_CALL SwAccessibleContext::grabFocus() throw (uno::RuntimeException, std::exception) { SolarMutexGuard aGuard; CHECK_FOR_DEFUNC( XAccessibleContext ); if( GetFrame()->IsFlyFrame() ) { const SdrObject *pObj = static_cast < const SwFlyFrame * >( GetFrame() )->GetVirtDrawObj(); if( pObj ) Select( const_cast < SdrObject * >( pObj ), false ); } else { const SwContentFrame *pCFrame = nullptr; if( GetFrame()->IsContentFrame() ) pCFrame = static_cast< const SwContentFrame * >( GetFrame() ); else if( GetFrame()->IsLayoutFrame() ) pCFrame = static_cast< const SwLayoutFrame * >( GetFrame() )->ContainsContent(); if( pCFrame && pCFrame->IsTextFrame() ) { const SwTextFrame *pTextFrame = static_cast< const SwTextFrame * >( pCFrame ); const SwTextNode *pTextNd = pTextFrame->GetTextNode(); if( pTextNd ) { // create pam for selection SwIndex aIndex( const_cast< SwTextNode * >( pTextNd ), pTextFrame->GetOfst() ); SwPosition aStartPos( *pTextNd, aIndex ); SwPaM aPaM( aStartPos ); // set PaM at cursor shell Select( aPaM ); } } } } sal_Int32 SAL_CALL SwAccessibleContext::getForeground() throw (uno::RuntimeException, std::exception) { return COL_BLACK; } sal_Int32 SAL_CALL SwAccessibleContext::getBackground() throw (uno::RuntimeException, std::exception) { return COL_WHITE; } OUString SAL_CALL SwAccessibleContext::getImplementationName() throw( uno::RuntimeException, std::exception ) { OSL_ENSURE( false, "implementation name needs to be overridden" ); THROW_RUNTIME_EXCEPTION( lang::XServiceInfo, "implementation name needs to be overridden" ) } sal_Bool SAL_CALL SwAccessibleContext::supportsService (const OUString& ServiceName) throw (uno::RuntimeException, std::exception) { return cppu::supportsService(this, ServiceName); } uno::Sequence< OUString > SAL_CALL SwAccessibleContext::getSupportedServiceNames() throw( uno::RuntimeException, std::exception ) { OSL_ENSURE( false, "supported services names needs to be overridden" ); THROW_RUNTIME_EXCEPTION( lang::XServiceInfo, "supported services needs to be overridden" ) } void SwAccessibleContext::DisposeShape( const SdrObject *pObj, ::accessibility::AccessibleShape *pAccImpl ) { ::rtl::Reference< ::accessibility::AccessibleShape > xAccImpl( pAccImpl ); if( !xAccImpl.is() ) xAccImpl = GetMap()->GetContextImpl( pObj, this ); AccessibleEventObject aEvent; aEvent.EventId = AccessibleEventId::CHILD; uno::Reference< XAccessible > xAcc( xAccImpl.get() ); aEvent.OldValue <<= xAcc; FireAccessibleEvent( aEvent ); GetMap()->RemoveContext( pObj ); xAccImpl->dispose(); } void SwAccessibleContext::ScrolledInShape( const SdrObject* , ::accessibility::AccessibleShape *pAccImpl ) { if(nullptr == pAccImpl) { return ; } AccessibleEventObject aEvent; aEvent.EventId = AccessibleEventId::CHILD; uno::Reference< XAccessible > xAcc( pAccImpl ); aEvent.NewValue <<= xAcc; FireAccessibleEvent( aEvent ); if( pAccImpl->GetState( AccessibleStateType::FOCUSED ) ) { vcl::Window *pWin = GetWindow(); if( pWin && pWin->HasFocus() ) { AccessibleEventObject aStateChangedEvent; aStateChangedEvent.EventId = AccessibleEventId::STATE_CHANGED; aStateChangedEvent.NewValue <<= AccessibleStateType::FOCUSED; aStateChangedEvent.Source = xAcc; FireAccessibleEvent( aStateChangedEvent ); } } } void SwAccessibleContext::Dispose( bool bRecursive ) { SolarMutexGuard aGuard; OSL_ENSURE( GetFrame() && GetMap(), "already disposed" ); OSL_ENSURE( GetMap()->GetVisArea() == GetVisArea(), "invalid vis area for dispose" ); m_isDisposing = true; // dispose children if( bRecursive ) DisposeChildren( GetFrame(), bRecursive ); // get parent uno::Reference< XAccessible > xParent( GetWeakParent() ); uno::Reference < XAccessibleContext > xThis( this ); // send child event at parent if( xParent.is() ) { SwAccessibleContext *pAcc = static_cast(xParent.get()); AccessibleEventObject aEvent; aEvent.EventId = AccessibleEventId::CHILD; aEvent.OldValue <<= xThis; pAcc->FireAccessibleEvent( aEvent ); } // set defunc state (its not required to broadcast a state changed // event if the object is disposed afterwards) { osl::MutexGuard aDefuncStateGuard( m_Mutex ); m_isDefuncState = true; } // broadcast dispose event if (m_nClientId) { comphelper::AccessibleEventNotifier::revokeClientNotifyDisposing( m_nClientId, *this ); m_nClientId = 0; } RemoveFrameFromAccessibleMap(); ClearFrame(); m_pMap = nullptr; m_isDisposing = false; } void SwAccessibleContext::DisposeChild( const SwAccessibleChild& rChildFrameOrObj, bool bRecursive ) { SolarMutexGuard aGuard; if ( IsShowing( *(GetMap()), rChildFrameOrObj ) || rChildFrameOrObj.AlwaysIncludeAsChild() || !SwAccessibleChild( GetFrame() ).IsVisibleChildrenOnly() ) { // If the object could have existed before, than there is nothing to do, // because no wrapper exists now and therefore no one is interested to // get notified of the movement. if( rChildFrameOrObj.GetSwFrame() ) { ::rtl::Reference< SwAccessibleContext > xAccImpl = GetMap()->GetContextImpl( rChildFrameOrObj.GetSwFrame() ); xAccImpl->Dispose( bRecursive ); } else if ( rChildFrameOrObj.GetDrawObject() ) { ::rtl::Reference< ::accessibility::AccessibleShape > xAccImpl = GetMap()->GetContextImpl( rChildFrameOrObj.GetDrawObject(), this ); DisposeShape( rChildFrameOrObj.GetDrawObject(), xAccImpl.get() ); } else if ( rChildFrameOrObj.GetWindow() ) { AccessibleEventObject aEvent; aEvent.EventId = AccessibleEventId::CHILD; uno::Reference< XAccessible > xAcc = rChildFrameOrObj.GetWindow()->GetAccessible(); aEvent.OldValue <<= xAcc; FireAccessibleEvent( aEvent ); } } else if( bRecursive && rChildFrameOrObj.GetSwFrame() ) DisposeChildren( rChildFrameOrObj.GetSwFrame(), bRecursive ); } void SwAccessibleContext::InvalidatePosOrSize( const SwRect& ) { SolarMutexGuard aGuard; OSL_ENSURE( GetFrame() && !GetFrame()->Frame().IsEmpty(), "context should have a size" ); bool bIsOldShowingState; bool bIsNewShowingState = IsShowing( *(GetMap()) ); { osl::MutexGuard aShowingStateGuard( m_Mutex ); bIsOldShowingState = m_isShowingState; m_isShowingState = bIsNewShowingState; } if( bIsOldShowingState != bIsNewShowingState ) { FireStateChangedEvent( AccessibleStateType::SHOWING, bIsNewShowingState ); } else if( bIsNewShowingState ) { // The frame stays visible -> broadcast event FireVisibleDataEvent(); } // note: InvalidatePosOrSize must call _InvalidateContent so that // SwAccessibleParagraph updates its portions, or dispose it // (see accmap.cxx: INVALID_CONTENT is contained in POS_CHANGED) _InvalidateContent( true ); } void SwAccessibleContext::InvalidateChildPosOrSize( const SwAccessibleChild& rChildFrameOrObj, const SwRect& rOldFrame ) { SolarMutexGuard aGuard; OSL_ENSURE( !rChildFrameOrObj.GetSwFrame() || !rChildFrameOrObj.GetSwFrame()->Frame().IsEmpty(), "child context should have a size" ); if ( rChildFrameOrObj.AlwaysIncludeAsChild() ) { // nothing to do; return; } const bool bVisibleChildrenOnly = SwAccessibleChild( GetFrame() ).IsVisibleChildrenOnly(); const bool bNew = rOldFrame.IsEmpty() || ( rOldFrame.Left() == 0 && rOldFrame.Top() == 0 ); if( IsShowing( *(GetMap()), rChildFrameOrObj ) ) { // If the object could have existed before, than there is nothing to do, // because no wrapper exists now and therefore no one is interested to // get notified of the movement. if( bNew || (bVisibleChildrenOnly && !IsShowing( rOldFrame )) ) { if( rChildFrameOrObj.GetSwFrame() ) { // The frame becomes visible. A child event must be send. ::rtl::Reference< SwAccessibleContext > xAccImpl = GetMap()->GetContextImpl( rChildFrameOrObj.GetSwFrame() ); xAccImpl->ScrolledIn(); } else if ( rChildFrameOrObj.GetDrawObject() ) { ::rtl::Reference< ::accessibility::AccessibleShape > xAccImpl = GetMap()->GetContextImpl( rChildFrameOrObj.GetDrawObject(), this ); // #i37790# if ( xAccImpl.is() ) { ScrolledInShape( rChildFrameOrObj.GetDrawObject(), xAccImpl.get() ); } else { OSL_FAIL( " - no accessible shape found." ); } } else if ( rChildFrameOrObj.GetWindow() ) { AccessibleEventObject aEvent; aEvent.EventId = AccessibleEventId::CHILD; aEvent.NewValue <<= (rChildFrameOrObj.GetWindow()->GetAccessible()); FireAccessibleEvent( aEvent ); } } } else { // If the frame was visible before, than a child event for the parent // needs to be send. However, there is no wrapper existing, and so // no notifications for grandchildren are required. If the are // grandgrandchildren, they would be notified by the layout. if( bVisibleChildrenOnly && !bNew && IsShowing( rOldFrame ) ) { if( rChildFrameOrObj.GetSwFrame() ) { ::rtl::Reference< SwAccessibleContext > xAccImpl = GetMap()->GetContextImpl( rChildFrameOrObj.GetSwFrame() ); xAccImpl->SetParent( this ); xAccImpl->Dispose( true ); } else if ( rChildFrameOrObj.GetDrawObject() ) { ::rtl::Reference< ::accessibility::AccessibleShape > xAccImpl = GetMap()->GetContextImpl( rChildFrameOrObj.GetDrawObject(), this ); DisposeShape( rChildFrameOrObj.GetDrawObject(), xAccImpl.get() ); } else if ( rChildFrameOrObj.GetWindow() ) { OSL_FAIL( " - not expected to handle dispose of child of type ." ); } } } } void SwAccessibleContext::InvalidateContent() { SolarMutexGuard aGuard; _InvalidateContent( false ); } void SwAccessibleContext::InvalidateCursorPos() { SolarMutexGuard aGuard; _InvalidateCursorPos(); } void SwAccessibleContext::InvalidateFocus() { SolarMutexGuard aGuard; _InvalidateFocus(); } // #i27301# - use new type definition for <_nStates> void SwAccessibleContext::InvalidateStates( AccessibleStates _nStates ) { if( GetMap() ) { SwViewShell *pVSh = GetMap()->GetShell(); if( pVSh ) { if( _nStates & AccessibleStates::EDITABLE ) { bool bIsOldEditableState; bool bIsNewEditableState = IsEditable( pVSh ); { osl::MutexGuard aGuard( m_Mutex ); bIsOldEditableState = m_isEditableState; m_isEditableState = bIsNewEditableState; } if( bIsOldEditableState != bIsNewEditableState ) FireStateChangedEvent( AccessibleStateType::EDITABLE, bIsNewEditableState ); } if( _nStates & AccessibleStates::OPAQUE ) { bool bIsOldOpaqueState; bool bIsNewOpaqueState = IsOpaque( pVSh ); { osl::MutexGuard aGuard( m_Mutex ); bIsOldOpaqueState = m_isOpaqueState; m_isOpaqueState = bIsNewOpaqueState; } if( bIsOldOpaqueState != bIsNewOpaqueState ) FireStateChangedEvent( AccessibleStateType::OPAQUE, bIsNewOpaqueState ); } } InvalidateChildrenStates( GetFrame(), _nStates ); } } void SwAccessibleContext::InvalidateRelation( sal_uInt16 nType ) { AccessibleEventObject aEvent; aEvent.EventId = nType; FireAccessibleEvent( aEvent ); } /** #i27301# - text selection has changed */ void SwAccessibleContext::InvalidateTextSelection() { AccessibleEventObject aEvent; aEvent.EventId = AccessibleEventId::TEXT_SELECTION_CHANGED; FireAccessibleEvent( aEvent ); } /** #i88069# - attributes has changed */ void SwAccessibleContext::InvalidateAttr() { AccessibleEventObject aEvent; aEvent.EventId = AccessibleEventId::TEXT_ATTRIBUTE_CHANGED; FireAccessibleEvent( aEvent ); } bool SwAccessibleContext::HasCursor() { return false; } bool SwAccessibleContext::Select( SwPaM *pPaM, SdrObject *pObj, bool bAdd ) { SwCursorShell* pCursorShell = GetCursorShell(); if( !pCursorShell ) return false; SwFEShell* pFEShell = dynamic_cast( pCursorShell) != nullptr ? static_cast( pCursorShell ) : nullptr; // Get rid of activated OLE object if( pFEShell ) pFEShell->FinishOLEObj(); SwWrtShell* pWrtShell = dynamic_cast( pCursorShell) != nullptr ? static_cast( pCursorShell ) : nullptr; bool bRet = false; if( pObj ) { if( pFEShell ) { Point aDummy; sal_uInt8 nFlags = bAdd ? SW_ADD_SELECT : 0; pFEShell->SelectObj( aDummy, nFlags, pObj ); bRet = true; } } else if( pPaM ) { // Get rid of frame selection. If there is one, make text cursor // visible again. bool bCallShowCursor = false; if( pFEShell && (pFEShell->IsFrameSelected() || pFEShell->IsObjSelected()) ) { Point aPt( LONG_MIN, LONG_MIN ); pFEShell->SelectObj( aPt ); bCallShowCursor = true; } pCursorShell->KillPams(); if( pWrtShell && pPaM->HasMark() ) // We have to do this or SwWrtShell can't figure out that it needs // to kill the selection later, when the user moves the cursor. pWrtShell->SttSelect(); pCursorShell->SetSelection( *pPaM ); if( pPaM->HasMark() && *pPaM->GetPoint() == *pPaM->GetMark()) // Setting a "Selection" that starts and ends at the same spot // should remove the selection rather than create an empty one, so // that we get defined behavior if accessibility sets the cursor // later. pCursorShell->ClearMark(); if( bCallShowCursor ) pCursorShell->ShowCursor(); bRet = true; } return bRet; } OUString SwAccessibleContext::GetResource( sal_uInt16 nResId, const OUString *pArg1, const OUString *pArg2 ) { OUString sStr; { SolarMutexGuard aGuard; sStr = SW_RESSTR( nResId ); } if( pArg1 ) { sStr = sStr.replaceFirst( "$(ARG1)", *pArg1 ); } if( pArg2 ) { sStr = sStr.replaceFirst( "$(ARG2)", *pArg2 ); } return sStr; } void SwAccessibleContext::RemoveFrameFromAccessibleMap() { if (m_isRegisteredAtAccessibleMap && GetFrame() && GetMap()) GetMap()->RemoveContext( GetFrame() ); } bool SwAccessibleContext::HasAdditionalAccessibleChildren() { bool bRet( false ); if ( GetFrame()->IsTextFrame() ) { SwPostItMgr* pPostItMgr = GetMap()->GetShell()->GetPostItMgr(); if ( pPostItMgr && pPostItMgr->HasNotes() && pPostItMgr->ShowNotes() ) { bRet = pPostItMgr->HasFrameConnectedSidebarWins( *(GetFrame()) ); } } return bRet; } /** #i88070# - get additional accessible child by index */ vcl::Window* SwAccessibleContext::GetAdditionalAccessibleChild( const sal_Int32 nIndex ) { vcl::Window* pAdditionalAccessibleChild( nullptr ); if ( GetFrame()->IsTextFrame() ) { SwPostItMgr* pPostItMgr = GetMap()->GetShell()->GetPostItMgr(); if ( pPostItMgr && pPostItMgr->HasNotes() && pPostItMgr->ShowNotes() ) { pAdditionalAccessibleChild = pPostItMgr->GetSidebarWinForFrameByIndex( *(GetFrame()), nIndex ); } } return pAdditionalAccessibleChild; } /** #i88070# - get all additional accessible children */ void SwAccessibleContext::GetAdditionalAccessibleChildren( std::vector< vcl::Window* >* pChildren ) { if ( GetFrame()->IsTextFrame() ) { SwPostItMgr* pPostItMgr = GetMap()->GetShell()->GetPostItMgr(); if ( pPostItMgr && pPostItMgr->HasNotes() && pPostItMgr->ShowNotes() ) { pPostItMgr->GetAllSidebarWinForFrame( *(GetFrame()), pChildren ); } } } bool SwAccessibleContext::SetSelectedState(bool const bSelected) { if (m_isSelectedInDoc != bSelected) { m_isSelectedInDoc = bSelected; FireStateChangedEvent( AccessibleStateType::SELECTED, bSelected ); return true; } return false; }; /* vim:set shiftwidth=4 softtabstop=4 expandtab: */