/* -*- 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 using namespace ::com::sun::star; using namespace ::com::sun::star::uno; using namespace ::com::sun::star::accessibility; namespace accessibility { namespace { struct XShapePosCompareHelper { bool operator() ( const uno::Reference& xshape1, const uno::Reference& xshape2 ) const { // modify the compare method to return the Z-Order, not layout order SdrObject* pObj1 = SdrObject::getSdrObjectFromXShape(xshape1); SdrObject* pObj2 = SdrObject::getSdrObjectFromXShape(xshape2); if(pObj1 && pObj2) return pObj1->GetOrdNum() < pObj2->GetOrdNum(); else return false; } }; } //===== internal ============================================================ AccessibleDrawDocumentView::AccessibleDrawDocumentView ( ::sd::Window* pSdWindow, ::sd::ViewShell* pViewShell, const uno::Reference& rxController, const uno::Reference& rxParent) : AccessibleDocumentViewBase (pSdWindow, pViewShell, rxController, rxParent), mpSdViewSh( pViewShell ) { UpdateAccessibleName(); } AccessibleDrawDocumentView::~AccessibleDrawDocumentView() { DBG_ASSERT (rBHelper.bDisposed || rBHelper.bInDispose, "~AccessibleDrawDocumentView: object has not been disposed"); } void AccessibleDrawDocumentView::Init() { AccessibleDocumentViewBase::Init (); // Determine the list of shapes on the current page. uno::Reference xShapeList; uno::Reference xView (mxController, uno::UNO_QUERY); if (xView.is()) xShapeList = xView->getCurrentPage(); // Create the children manager. mpChildrenManager.reset(new ChildrenManager(this, xShapeList, maShapeTreeInfo, *this)); rtl::Reference xPage(CreateDrawPageShape()); if (xPage.is()) { xPage->Init(); mpChildrenManager->AddAccessibleShape (xPage); mpChildrenManager->Update (); } mpChildrenManager->UpdateSelection (); } void AccessibleDrawDocumentView::ViewForwarderChanged() { AccessibleDocumentViewBase::ViewForwarderChanged(); if (mpChildrenManager != nullptr) mpChildrenManager->ViewForwarderChanged(); } /** The page shape is created on every call at the moment (provided that everything goes well). */ rtl::Reference AccessibleDrawDocumentView::CreateDrawPageShape() { rtl::Reference xShape; // Create a shape that represents the actual draw page. uno::Reference xView (mxController, uno::UNO_QUERY); if (xView.is()) { uno::Reference xSet ( uno::Reference (xView->getCurrentPage(), uno::UNO_QUERY)); if (xSet.is()) { // Create a rectangle shape that will represent the draw page. uno::Reference xFactory (mxModel, uno::UNO_QUERY); uno::Reference xRectangle; if (xFactory.is()) xRectangle.set(xFactory->createInstance (u"com.sun.star.drawing.RectangleShape"_ustr), uno::UNO_QUERY); // Set the shape's size and position. if (xRectangle.is()) { uno::Any aValue; awt::Point aPosition; awt::Size aSize; // Set size and position of the shape to those of the draw // page. aValue = xSet->getPropertyValue (u"BorderLeft"_ustr); aValue >>= aPosition.X; aValue = xSet->getPropertyValue (u"BorderTop"_ustr); aValue >>= aPosition.Y; xRectangle->setPosition (aPosition); aValue = xSet->getPropertyValue (u"Width"_ustr); aValue >>= aSize.Width; aValue = xSet->getPropertyValue (u"Height"_ustr); aValue >>= aSize.Height; xRectangle->setSize (aSize); // Create the accessible object for the shape and // initialize it. xShape = new AccessiblePageShape ( xView->getCurrentPage(), this, maShapeTreeInfo); } } } return xShape; } //===== XAccessibleContext ================================================== sal_Int64 SAL_CALL AccessibleDrawDocumentView::getAccessibleChildCount() { ThrowIfDisposed (); sal_Int64 nChildCount = AccessibleDocumentViewBase::getAccessibleChildCount(); // Forward request to children manager. if (mpChildrenManager != nullptr) nChildCount += mpChildrenManager->GetChildCount(); return nChildCount; } uno::Reference SAL_CALL AccessibleDrawDocumentView::getAccessibleChild (sal_Int64 nIndex) { ThrowIfDisposed (); ::osl::ClearableMutexGuard aGuard (m_aMutex); // Take care of children of the base class. sal_Int64 nCount = AccessibleDocumentViewBase::getAccessibleChildCount(); if (nCount > 0) { if (nIndex < nCount) return AccessibleDocumentViewBase::getAccessibleChild(nIndex); else nIndex -= nCount; } // Create a copy of the pointer to the children manager and release the // mutex before calling any of its methods. ChildrenManager* pChildrenManager = mpChildrenManager.get(); aGuard.clear(); // Forward request to children manager. if (pChildrenManager == nullptr) throw lang::IndexOutOfBoundsException ( "no accessible child with index " + OUString::number(nIndex), static_cast(this)); return pChildrenManager->GetChild (nIndex); } OUString SAL_CALL AccessibleDrawDocumentView::getAccessibleName() { SolarMutexGuard g; OUString sName = SdResId(SID_SD_A11Y_D_PRESENTATION); ::sd::View* pSdView = static_cast< ::sd::View* >( maShapeTreeInfo.GetSdrView() ); if ( pSdView ) { SdDrawDocument& rDoc = pSdView->GetDoc(); OUString sFileName = rDoc.getDocAccTitle(); if ( !sFileName.getLength() ) { ::sd::DrawDocShell* pDocSh = pSdView->GetDocSh(); if ( pDocSh ) { sFileName = pDocSh->GetTitle( SFX_TITLE_APINAME ); } } OUString sReadOnly; if(rDoc.getDocReadOnly()) { sReadOnly = SdResId(SID_SD_A11Y_D_PRESENTATION_READONLY); } if ( sFileName.getLength() ) { sName = sFileName + sReadOnly + " - " + sName; } } return sName; } //===== XEventListener ====================================================== void SAL_CALL AccessibleDrawDocumentView::disposing (const lang::EventObject& rEventObject) { ThrowIfDisposed (); AccessibleDocumentViewBase::disposing (rEventObject); if (rEventObject.Source == mxModel) { ::osl::Guard< ::osl::Mutex> aGuard (::osl::Mutex::getGlobalMutex()); // maShapeTreeInfo has been modified in base class. if (mpChildrenManager != nullptr) mpChildrenManager->SetInfo (maShapeTreeInfo); } } //===== XPropertyChangeListener ============================================= void SAL_CALL AccessibleDrawDocumentView::propertyChange (const beans::PropertyChangeEvent& rEventObject) { ThrowIfDisposed (); AccessibleDocumentViewBase::propertyChange (rEventObject); // add page switch event for slide show mode if (rEventObject.PropertyName == "CurrentPage" || rEventObject.PropertyName == "PageChange") { // Update the accessible name to reflect the current slide. UpdateAccessibleName(); // The current page changed. Update the children manager accordingly. uno::Reference xView (mxController, uno::UNO_QUERY); if (xView.is() && mpChildrenManager!=nullptr) { // Inform the children manager to forget all children and give // him the new ones. mpChildrenManager->ClearAccessibleShapeList (); mpChildrenManager->SetShapeList (xView->getCurrentPage()); rtl::Reference xPage(CreateDrawPageShape ()); if (xPage.is()) { xPage->Init(); mpChildrenManager->AddAccessibleShape (xPage); mpChildrenManager->Update (false); } } else SAL_WARN("sd", "View invalid"); CommitChange(AccessibleEventId::PAGE_CHANGED,rEventObject.NewValue,rEventObject.OldValue, -1); } else if ( rEventObject.PropertyName == "VisibleArea" ) { if (mpChildrenManager != nullptr) mpChildrenManager->ViewForwarderChanged(); } else if (rEventObject.PropertyName == "ActiveLayer") { CommitChange(AccessibleEventId::PAGE_CHANGED,rEventObject.NewValue,rEventObject.OldValue, -1); } else if (rEventObject.PropertyName == "UpdateAcc") { // The current page changed. Update the children manager accordingly. uno::Reference xView (mxController, uno::UNO_QUERY); if (xView.is() && mpChildrenManager!=nullptr) { // Inform the children manager to forget all children and give // him the new ones. mpChildrenManager->ClearAccessibleShapeList (); // update the slide show page's accessible info //mpChildrenManager->SetShapeList (uno::Reference ( // xView->getCurrentPage(), uno::UNO_QUERY)); rtl::Reference< sd::SlideShow > xSlideshow( sd::SlideShow::GetSlideShow( mpSdViewSh->GetViewShellBase() ) ); if( xSlideshow.is() && (xSlideshow->isRunning() && !xSlideshow->IsInteractiveSlideshow()) //IASS && xSlideshow->isFullScreen() ) { css::uno::Reference< drawing::XDrawPage > xSlide; // MT IA2: Not used... // sal_Int32 currentPageIndex = xSlideshow->getCurrentPageIndex(); css::uno::Reference< css::presentation::XSlideShowController > xSlideController = xSlideshow->getController(); if( xSlideController.is() ) { xSlide = xSlideController->getCurrentSlide(); if (xSlide.is()) { mpChildrenManager->SetShapeList (xSlide); } } } rtl::Reference xPage(CreateDrawPageShape ()); if (xPage.is()) { xPage->Init(); mpChildrenManager->AddAccessibleShape (xPage); mpChildrenManager->Update (false); } } } else { SAL_INFO("sd", "unhandled"); } } // XServiceInfo OUString SAL_CALL AccessibleDrawDocumentView::getImplementationName() { return u"AccessibleDrawDocumentView"_ustr; } css::uno::Sequence< OUString> SAL_CALL AccessibleDrawDocumentView::getSupportedServiceNames() { ThrowIfDisposed(); const css::uno::Sequence vals { u"com.sun.star.drawing.AccessibleDrawDocumentView"_ustr }; uno::Sequence aServiceNames = AccessibleDocumentViewBase::getSupportedServiceNames(); return comphelper::concatSequences(aServiceNames, vals); } //===== XInterface ========================================================== uno::Any SAL_CALL AccessibleDrawDocumentView::queryInterface (const uno::Type & rType) { uno::Any aReturn = AccessibleDocumentViewBase::queryInterface (rType); if ( ! aReturn.hasValue()) aReturn = ::cppu::queryInterface (rType, static_cast(this) ); return aReturn; } void SAL_CALL AccessibleDrawDocumentView::acquire() noexcept { AccessibleDocumentViewBase::acquire (); } void SAL_CALL AccessibleDrawDocumentView::release() noexcept { AccessibleDocumentViewBase::release (); } //===== XAccessibleGroupPosition ========================================= uno::Sequence< sal_Int32 > SAL_CALL AccessibleDrawDocumentView::getGroupPosition( const uno::Any& rAny ) { SolarMutexGuard g; // we will return the: // [0] group level(always be 0 now) // [1] similar items counts in the group // [2] the position of the object in the group uno::Sequence< sal_Int32 > aRet( 3 ); //get the xShape of the current selected drawing object uno::Reference xAccContent; rAny >>= xAccContent; if ( !xAccContent.is() ) { return aRet; } AccessibleShape* pAcc = comphelper::getFromUnoTunnel( xAccContent ); if ( !pAcc ) { return aRet; } uno::Reference< drawing::XShape > xCurShape = pAcc->GetXShape(); if ( !xCurShape.is() ) { return aRet; } //find all the child in the page, insert them into a vector and sort if ( mpChildrenManager == nullptr ) { return aRet; } std::vector< uno::Reference > vXShapes; sal_Int32 nCount = mpChildrenManager->GetChildCount(); //get pointer of SdView & SdrPageView for further use. SdrPageView* pPV = nullptr; ::sd::View* pSdView = nullptr; if ( mpSdViewSh ) { pSdView = mpSdViewSh->GetView(); pPV = pSdView->GetSdrPageView(); } for ( sal_Int32 i = 0; i < nCount; i++ ) { uno::Reference< drawing::XShape > xShape = mpChildrenManager->GetChildShape(i); if ( xShape.is() ) { //if the object is visible in the page, we add it into the group list. SdrObject* pObj = SdrObject::getSdrObjectFromXShape(xShape); if ( pObj && pPV && pSdView && pSdView->IsObjMarkable( pObj, pPV ) ) { vXShapes.push_back( xShape ); } } } std::sort( vXShapes.begin(), vXShapes.end(), XShapePosCompareHelper() ); //get the index of the selected object in the group auto aIter = std::find_if(vXShapes.begin(), vXShapes.end(), [&xCurShape](const uno::Reference& rxShape) { return rxShape.get() == xCurShape.get(); }); if (aIter != vXShapes.end()) { sal_Int32* pArray = aRet.getArray(); pArray[0] = 1; //it should be 1 based, not 0 based. pArray[1] = vXShapes.size(); pArray[2] = static_cast(std::distance(vXShapes.begin(), aIter)) + 1; //we start counting position from 1 } return aRet; } OUString AccessibleDrawDocumentView::getObjectLink( const uno::Any& rAny ) { SolarMutexGuard g; OUString aRet; //get the xShape of the current selected drawing object uno::Reference xAccContent; rAny >>= xAccContent; if ( !xAccContent.is() ) { return aRet; } AccessibleShape* pAcc = comphelper::getFromUnoTunnel( xAccContent ); if ( !pAcc ) { return aRet; } uno::Reference< drawing::XShape > xCurShape = pAcc->GetXShape(); if ( !xCurShape.is() ) { return aRet; } SdrObject* pObj = SdrObject::getSdrObjectFromXShape(xCurShape); if (pObj) { SdAnimationInfo* pInfo = SdDrawDocument::GetShapeUserData(*pObj); if( pInfo && (pInfo->meClickAction == presentation::ClickAction_DOCUMENT) ) aRet = pInfo->GetBookmark(); } return aRet; } /// Create a name for this view. OUString AccessibleDrawDocumentView::CreateAccessibleName() { OUString sName; uno::Reference xInfo (mxController, uno::UNO_QUERY); if (xInfo.is()) { uno::Sequence< OUString > aServices( xInfo->getSupportedServiceNames() ); const OUString& sFirstService = aServices[0]; if ( sFirstService == "com.sun.star.drawing.DrawingDocumentDrawView" ) { if( aServices.getLength() >= 2 && aServices[1] == "com.sun.star.presentation.PresentationView") { SolarMutexGuard aGuard; sName = SdResId(SID_SD_A11Y_I_DRAWVIEW_N); } else { SolarMutexGuard aGuard; sName = SdResId(SID_SD_A11Y_D_DRAWVIEW_N); } } else if ( sFirstService == "com.sun.star.presentation.NotesView" ) { SolarMutexGuard aGuard; sName = SdResId(SID_SD_A11Y_I_NOTESVIEW_N); } else if ( sFirstService == "com.sun.star.presentation.HandoutView" ) { SolarMutexGuard aGuard; sName = SdResId(SID_SD_A11Y_I_HANDOUTVIEW_N); } else { sName = sFirstService; } } else { sName = "AccessibleDrawDocumentView"; } return sName; } /** Return selection state of specified child */ bool AccessibleDrawDocumentView::implIsSelected( sal_Int64 nAccessibleChildIndex ) { const SolarMutexGuard aSolarGuard; uno::Reference< view::XSelectionSupplier > xSel( mxController, uno::UNO_QUERY ); bool bRet = false; OSL_ENSURE( 0 <= nAccessibleChildIndex, "AccessibleDrawDocumentView::implIsSelected: invalid index!" ); if( xSel.is() && ( 0 <= nAccessibleChildIndex ) ) { uno::Any aAny( xSel->getSelection() ); uno::Reference< drawing::XShapes > xShapes; aAny >>= xShapes; if( xShapes.is() ) { AccessibleShape* pAcc = comphelper::getFromUnoTunnel( getAccessibleChild( nAccessibleChildIndex ) ); if( pAcc ) { uno::Reference< drawing::XShape > xShape( pAcc->GetXShape() ); if( xShape.is() ) { for( sal_Int32 i = 0, nCount = xShapes->getCount(); ( i < nCount ) && !bRet; ++i ) if( xShapes->getByIndex( i ) == xShape ) bRet = true; } } } } return bRet; } /** Select or deselect the specified shapes. The corresponding accessible shapes are notified over the selection change listeners registered with the XSelectionSupplier of the controller. */ void AccessibleDrawDocumentView::implSelect( sal_Int64 nAccessibleChildIndex, bool bSelect ) { const SolarMutexGuard aSolarGuard; uno::Reference< view::XSelectionSupplier > xSel( mxController, uno::UNO_QUERY ); if( !xSel.is() ) return; uno::Any aAny; if( ACCESSIBLE_SELECTION_CHILD_ALL == nAccessibleChildIndex ) { // Select or deselect all children. if( !bSelect ) xSel->select( aAny ); else { uno::Reference< drawing::XShapes > xShapes = drawing::ShapeCollection::create( comphelper::getProcessComponentContext()); for(sal_Int64 i = 0, nCount = getAccessibleChildCount(); i < nCount; ++i ) { AccessibleShape* pAcc = comphelper::getFromUnoTunnel( getAccessibleChild( i ) ); if( pAcc && pAcc->GetXShape().is() ) xShapes->add( pAcc->GetXShape() ); } if( xShapes->getCount() ) { xSel->select( Any(xShapes) ); } } } else if( nAccessibleChildIndex >= 0 ) { // Select or deselect only the child with index // nAccessibleChildIndex. AccessibleShape* pAcc = comphelper::getFromUnoTunnel( getAccessibleChild( nAccessibleChildIndex )); // Add or remove the shape that is made accessible from the // selection of the controller. if( pAcc ) { uno::Reference< drawing::XShape > xShape( pAcc->GetXShape() ); if( xShape.is() ) { uno::Reference< drawing::XShapes > xShapes; bool bFound = false; aAny = xSel->getSelection(); aAny >>= xShapes; // Search shape to be selected in current selection. if (xShapes.is()) { sal_Int32 nCount = xShapes->getCount(); for (sal_Int32 i=0; ( i < nCount ) && !bFound; ++i ) if( xShapes->getByIndex( i ) == xShape ) bFound = true; } else // Create an empty selection to add the shape to. xShapes = drawing::ShapeCollection::create( comphelper::getProcessComponentContext()); // Update the selection. if( !bFound && bSelect ) xShapes->add( xShape ); else if( bFound && !bSelect ) xShapes->remove( xShape ); xSel->select( Any(xShapes) ); } } } } void AccessibleDrawDocumentView::Activated() { if (mpChildrenManager == nullptr) return; bool bChange = false; // When none of the children has the focus then claim it for the // view. if ( ! mpChildrenManager->HasFocus()) { SetState (AccessibleStateType::FOCUSED); bChange = true; } else ResetState (AccessibleStateType::FOCUSED); mpChildrenManager->UpdateSelection(); // if the child gets focus in UpdateSelection(), needs to reset the focus on document. if (mpChildrenManager->HasFocus() && bChange) ResetState (AccessibleStateType::FOCUSED); } void AccessibleDrawDocumentView::Deactivated() { if (mpChildrenManager != nullptr) mpChildrenManager->RemoveFocus(); ResetState (AccessibleStateType::FOCUSED); } void AccessibleDrawDocumentView::impl_dispose() { mpChildrenManager.reset(); AccessibleDocumentViewBase::impl_dispose(); } /** This method is called from the component helper base class while disposing. */ void SAL_CALL AccessibleDrawDocumentView::disposing() { // Release resources. mpChildrenManager.reset(); // Forward call to base classes. AccessibleDocumentViewBase::disposing (); } void AccessibleDrawDocumentView::UpdateAccessibleName() { OUString sNewName (CreateAccessibleName() + ": "); // Add the number of the current slide. uno::Reference xView (mxController, uno::UNO_QUERY); if (xView.is()) { uno::Reference xProperties (xView->getCurrentPage(), UNO_QUERY); if (xProperties.is()) try { sal_Int16 nPageNumber (0); if (xProperties->getPropertyValue(u"Number"_ustr) >>= nPageNumber) { sNewName += OUString::number(nPageNumber); } } catch (const beans::UnknownPropertyException&) { } } // Add the number of pages/slides. Reference xPagesSupplier (mxModel, UNO_QUERY); if (xPagesSupplier.is()) { Reference xPages = xPagesSupplier->getDrawPages(); if (xPages.is()) { sNewName += " / " + OUString::number(xPages->getCount()); } } SetAccessibleName (sNewName, AutomaticallyCreated); } } // end of namespace accessibility /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ value='feature/unostyles3'>feature/unostyles3 LibreOffice 核心代码仓库文档基金会
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2016-10-15clang-cl loplugin: winaccessibilityStephan Bergmann
2015-11-24com::sun::star->css in winaccessibility/Noel Grandin
Andreas Heinisch