/* -*- 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 "AccessibleEmptyEditSource.hxx" #include #include using namespace ::com::sun::star; using namespace ::com::sun::star::accessibility; using ::com::sun::star::uno::Reference; using ::com::sun::star::lang::IndexOutOfBoundsException; using ::com::sun::star::uno::RuntimeException; namespace accessibility { namespace { OUString GetOptionalProperty ( const Reference& rxSet, const OUString& rsPropertyName) { OUString sValue; if (rxSet.is()) { const Reference xInfo (rxSet->getPropertySetInfo()); if ( ! xInfo.is() || xInfo->hasPropertyByName(rsPropertyName)) { try { rxSet->getPropertyValue(rsPropertyName) >>= sValue; } catch (beans::UnknownPropertyException&) { // This exception should only be thrown when the property // does not exits (of course) and the XPropertySetInfo is // not available. } } } return sValue; } } // end of anonymous namespace // internal AccessibleShape::AccessibleShape ( const AccessibleShapeInfo& rShapeInfo, const AccessibleShapeTreeInfo& rShapeTreeInfo) : AccessibleContextBase (rShapeInfo.mxParent,AccessibleRole::SHAPE), mxShape (rShapeInfo.mxShape), maShapeTreeInfo (rShapeTreeInfo), m_nIndexInParent(-1), mpParent (rShapeInfo.mpChildrenManager) { m_pShape = GetSdrObjectFromXShape(mxShape); UpdateNameAndDescription(); } AccessibleShape::~AccessibleShape() { mpChildrenManager.reset(); mpText.reset(); SAL_INFO("svx", "~AccessibleShape"); // Unregistering from the various broadcasters should be unnecessary // since this destructor would not have been called if one of the // broadcasters would still hold a strong reference to this object. } void AccessibleShape::Init() { // Update the OPAQUE and SELECTED shape. UpdateStates (); // Create a children manager when this shape has children of its own. Reference xShapes (mxShape, uno::UNO_QUERY); if (xShapes.is() && xShapes->getCount() > 0) mpChildrenManager.reset( new ChildrenManager ( this, xShapes, maShapeTreeInfo, *this) ); if (mpChildrenManager != nullptr) mpChildrenManager->Update(); // Register at model as document::XEventListener. if (mxShape.is() && maShapeTreeInfo.GetModelBroadcaster().is()) maShapeTreeInfo.GetModelBroadcaster()->addShapeEventListener(mxShape, static_cast(this)); // Beware! Here we leave the paths of the UNO API and descend into the // depths of the core. Necessary for making the edit engine // accessible. Reference xText (mxShape, uno::UNO_QUERY); if (xText.is()) { SdrView* pView = maShapeTreeInfo.GetSdrView (); const vcl::Window* pWindow = maShapeTreeInfo.GetWindow (); if (pView != nullptr && pWindow != nullptr && mxShape.is()) { // #107948# Determine whether shape text is empty SdrObject* pSdrObject = GetSdrObjectFromXShape(mxShape); if( pSdrObject ) { SdrTextObj* pTextObj = dynamic_cast( pSdrObject ); const bool hasOutlinerParaObject = (pTextObj && pTextObj->CanCreateEditOutlinerParaObject()) || (pSdrObject->GetOutlinerParaObject() != nullptr); // create AccessibleTextHelper to handle this shape's text if( !hasOutlinerParaObject ) { // empty text -> use proxy edit source to delay creation of EditEngine mpText.reset( new AccessibleTextHelper( std::make_unique(*pSdrObject, *pView, *pWindow) ) ); } else { // non-empty text -> use full-fledged edit source right away mpText.reset( new AccessibleTextHelper( std::make_unique(*pSdrObject, nullptr, *pView, *pWindow) ) ); } if( pWindow->HasFocus() ) mpText->SetFocus(); mpText->SetEventSource(this); } } } } void AccessibleShape::UpdateStates() { ::utl::AccessibleStateSetHelper* pStateSet = static_cast< ::utl::AccessibleStateSetHelper*>(mxStateSet.get()); if (pStateSet == nullptr) return; // Set the opaque state for certain shape types when their fill style is // solid. bool bShapeIsOpaque = false; switch (ShapeTypeHandler::Instance().GetTypeId (mxShape)) { case DRAWING_PAGE: case DRAWING_RECTANGLE: case DRAWING_TEXT: { uno::Reference xSet (mxShape, uno::UNO_QUERY); if (xSet.is()) { try { drawing::FillStyle aFillStyle; bShapeIsOpaque = ( xSet->getPropertyValue ("FillStyle") >>= aFillStyle) && aFillStyle == drawing::FillStyle_SOLID; } catch (css::beans::UnknownPropertyException&) { // Ignore. } } } } if (bShapeIsOpaque) pStateSet->AddState (AccessibleStateType::OPAQUE); else pStateSet->RemoveState (AccessibleStateType::OPAQUE); // Set the selected state. bool bShapeIsSelected = false; // XXX fix_me this has to be done with an extra interface later on if ( m_pShape && maShapeTreeInfo.GetSdrView() ) { bShapeIsSelected = maShapeTreeInfo.GetSdrView()->IsObjMarked(m_pShape); } if (bShapeIsSelected) pStateSet->AddState (AccessibleStateType::SELECTED); else pStateSet->RemoveState (AccessibleStateType::SELECTED); } OUString AccessibleShape::GetStyle() { return ShapeTypeHandler::CreateAccessibleBaseName( mxShape ); } bool AccessibleShape::SetState (sal_Int16 aState) { bool bStateHasChanged = false; if (aState == AccessibleStateType::FOCUSED && mpText != nullptr) { // Offer FOCUSED state to edit engine and detect whether the state // changes. bool bIsFocused = mpText->HaveFocus (); mpText->SetFocus(); bStateHasChanged = (bIsFocused != mpText->HaveFocus ()); } else bStateHasChanged = AccessibleContextBase::SetState (aState); return bStateHasChanged; } bool AccessibleShape::ResetState (sal_Int16 aState) { bool bStateHasChanged = false; if (aState == AccessibleStateType::FOCUSED && mpText != nullptr) { // Try to remove FOCUSED state from the edit engine and detect // whether the state changes. bool bIsFocused = mpText->HaveFocus (); mpText->SetFocus (false); bStateHasChanged = (bIsFocused != mpText->HaveFocus ()); } else bStateHasChanged = AccessibleContextBase::ResetState (aState); return bStateHasChanged; } bool AccessibleShape::GetState (sal_Int16 aState) { if (aState == AccessibleStateType::FOCUSED && mpText != nullptr) { // Just delegate the call to the edit engine. The state is not // merged into the state set. return mpText->HaveFocus(); } else return AccessibleContextBase::GetState (aState); } // OverWrite the parent's getAccessibleName method OUString SAL_CALL AccessibleShape::getAccessibleName() { ThrowIfDisposed (); if (m_pShape && !m_pShape->GetTitle().isEmpty()) return CreateAccessibleName() + " " + m_pShape->GetTitle(); else return CreateAccessibleName(); } OUString SAL_CALL AccessibleShape::getAccessibleDescription() { ThrowIfDisposed (); if( m_pShape && !m_pShape->GetDescription().isEmpty()) return m_pShape->GetDescription() ; else return " "; } // XAccessibleContext /** The children of this shape come from two sources: The children from group or scene shapes and the paragraphs of text. */ sal_Int32 SAL_CALL AccessibleShape::getAccessibleChildCount () { if (IsDisposed()) { return 0; } sal_Int32 nChildCount = 0; // Add the number of shapes that are children of this shape. if (mpChildrenManager != nullptr) nChildCount += mpChildrenManager->GetChildCount (); // Add the number text paragraphs. if (mpText != nullptr) nChildCount += mpText->GetChildCount (); return nChildCount; } /** Forward the request to the shape. Return the requested shape or throw an exception for a wrong index. */ uno::Reference SAL_CALL AccessibleShape::getAccessibleChild (sal_Int32 nIndex) { ThrowIfDisposed (); uno::Reference xChild; // Depending on the index decide whether to delegate this call to the // children manager or the edit engine. if ((mpChildrenManager != nullptr) && (nIndex < mpChildrenManager->GetChildCount())) { xChild = mpChildrenManager->GetChild (nIndex); } else if (mpText != nullptr) { sal_Int32 nI = nIndex; if (mpChildrenManager != nullptr) nI -= mpChildrenManager->GetChildCount(); xChild = mpText->GetChild (nI); } else throw lang::IndexOutOfBoundsException ( "shape has no child with index " + OUString::number(nIndex), static_cast(this)); return xChild; } uno::Reference SAL_CALL AccessibleShape::getAccessibleRelationSet() { ::osl::MutexGuard aGuard (maMutex); if (mpParent == nullptr) return uno::Reference(); ::utl::AccessibleRelationSetHelper* pRelationSet = new utl::AccessibleRelationSetHelper; //this mxshape is the captioned shape uno::Sequence< uno::Reference< uno::XInterface > > aSequence { mpParent->GetAccessibleCaption(mxShape) }; if(aSequence[0]) { pRelationSet->AddRelation( AccessibleRelation( AccessibleRelationType::DESCRIBED_BY, aSequence ) ); } return uno::Reference(pRelationSet); } /** Return a copy of the state set. Possible states are: ENABLED SHOWING VISIBLE */ uno::Reference SAL_CALL AccessibleShape::getAccessibleStateSet() { ::osl::MutexGuard aGuard (maMutex); if (IsDisposed()) { // Return a minimal state set that only contains the DEFUNC state. return AccessibleContextBase::getAccessibleStateSet (); } ::utl::AccessibleStateSetHelper* pStateSet = static_cast<::utl::AccessibleStateSetHelper*>(mxStateSet.get()); if (!pStateSet) return Reference(); // Merge current FOCUSED state from edit engine. if (mpText) { if (mpText->HaveFocus()) pStateSet->AddState (AccessibleStateType::FOCUSED); else pStateSet->RemoveState (AccessibleStateType::FOCUSED); } //Just when the document is not read-only,set states EDITABLE,RESIZABLE,MOVEABLE css::uno::Reference xTempAcc = getAccessibleParent(); if( xTempAcc.is() ) { css::uno::Reference xTempAccContext = xTempAcc->getAccessibleContext(); if( xTempAccContext.is() ) { css::uno::Reference rState = xTempAccContext->getAccessibleStateSet(); if (rState.is()) { css::uno::Sequence aStates = rState->getStates(); if (std::find(aStates.begin(), aStates.end(), AccessibleStateType::EDITABLE) != aStates.end()) { pStateSet->AddState (AccessibleStateType::EDITABLE); pStateSet->AddState (AccessibleStateType::RESIZABLE); pStateSet->AddState (AccessibleStateType::MOVEABLE); } } } } // Create a copy of the state set that may be modified by the // caller without affecting the current state set. Reference xStateSet(new ::utl::AccessibleStateSetHelper(*pStateSet)); if (mpParent && mpParent->IsDocumentSelAll()) { ::utl::AccessibleStateSetHelper* pCopyStateSet = static_cast<::utl::AccessibleStateSetHelper*>(xStateSet.get()); pCopyStateSet->AddState (AccessibleStateType::SELECTED); } return xStateSet; } // XAccessibleComponent /** The implementation below is at the moment straightforward. It iterates over all children (and thereby instances all children which have not been already instantiated) until a child covering the specified point is found. This leaves room for improvement. For instance, first iterate only over the already instantiated children and only if no match is found instantiate the remaining ones. */ uno::Reference SAL_CALL AccessibleShape::getAccessibleAtPoint ( const awt::Point& aPoint) { ::osl::MutexGuard aGuard (maMutex); sal_Int32 nChildCount = getAccessibleChildCount (); for (sal_Int32 i=0; i xChild (getAccessibleChild (i)); if (xChild.is()) { Reference xChildComponent ( xChild->getAccessibleContext(), uno::UNO_QUERY); if (xChildComponent.is()) { awt::Rectangle aBBox (xChildComponent->getBounds()); if ( (aPoint.X >= aBBox.X) && (aPoint.Y >= aBBox.Y) && (aPoint.X < aBBox.X+aBBox.Width) && (aPoint.Y < aBBox.Y+aBBox.Height) ) return xChild; } } } // Have not found a child under the given point. Returning empty // reference to indicate this. return uno::Reference(); } awt::Rectangle SAL_CALL AccessibleShape::getBounds() { SolarMutexGuard aSolarGuard; ::osl::MutexGuard aGuard (maMutex); ThrowIfDisposed (); awt::Rectangle aBoundingBox; if ( mxShape.is() ) { static const char sBoundRectName[] = "BoundRect"; static const char sAnchorPositionName[] = "AnchorPosition"; // Get the shape's bounding box in internal coordinates (in 100th of // mm). Use the property BoundRect. Only if that is not supported ask // the shape for its position and size directly. Reference xSet (mxShape, uno::UNO_QUERY); Reference xSetInfo; bool bFoundBoundRect = false; if (xSet.is()) { xSetInfo = xSet->getPropertySetInfo (); if (xSetInfo.is()) { if (xSetInfo->hasPropertyByName (sBoundRectName)) { try { uno::Any aValue = xSet->getPropertyValue (sBoundRectName); aValue >>= aBoundingBox; bFoundBoundRect = true; } catch (beans::UnknownPropertyException const&) { // Handled below (bFoundBoundRect stays false). } } else SAL_WARN("svx", "no property BoundRect"); } } // Fallback when there is no BoundRect Property. if ( ! bFoundBoundRect ) { awt::Point aPosition (mxShape->getPosition()); awt::Size aSize (mxShape->getSize()); aBoundingBox = awt::Rectangle ( aPosition.X, aPosition.Y, aSize.Width, aSize.Height); // While BoundRects have absolute positions, the position returned // by XPosition::getPosition is relative. Get the anchor position // (usually not (0,0) for Writer shapes). if (xSetInfo.is()) { if (xSetInfo->hasPropertyByName (sAnchorPositionName)) { uno::Any aPos = xSet->getPropertyValue (sAnchorPositionName); awt::Point aAnchorPosition; aPos >>= aAnchorPosition; aBoundingBox.X += aAnchorPosition.X; aBoundingBox.Y += aAnchorPosition.Y; } } } // Transform coordinates from internal to pixel. if (maShapeTreeInfo.GetViewForwarder() == nullptr) throw uno::RuntimeException ( "AccessibleShape has no valid view forwarder", static_cast(this)); ::Size aPixelSize = maShapeTreeInfo.GetViewForwarder()->LogicToPixel ( ::Size (aBoundingBox.Width, aBoundingBox.Height)); ::Point aPixelPosition = maShapeTreeInfo.GetViewForwarder()->LogicToPixel ( ::Point (aBoundingBox.X, aBoundingBox.Y)); // Clip the shape's bounding box with the bounding box of its parent. Reference xParentComponent ( getAccessibleParent(), uno::UNO_QUERY); if (xParentComponent.is()) { // Make the coordinates relative to the parent. awt::Point aParentLocation (xParentComponent->getLocationOnScreen()); int x = aPixelPosition.getX() - aParentLocation.X; int y = aPixelPosition.getY() - aParentLocation.Y; // Clip with parent (with coordinates relative to itself). ::tools::Rectangle aBBox ( x, y, x + aPixelSize.getWidth(), y + aPixelSize.getHeight()); awt::Size aParentSize (xParentComponent->getSize()); ::tools::Rectangle aParentBBox (0,0, aParentSize.Width, aParentSize.Height); aBBox = aBBox.GetIntersection (aParentBBox); aBoundingBox = awt::Rectangle ( aBBox.getX(), aBBox.getY(), aBBox.getWidth(), aBBox.getHeight()); } else { SAL_INFO("svx", "parent does not support component"); aBoundingBox = awt::Rectangle ( aPixelPosition.getX(), aPixelPosition.getY(), aPixelSize.getWidth(), aPixelSize.getHeight()); } } return aBoundingBox; } awt::Point SAL_CALL AccessibleShape::getLocation() { ThrowIfDisposed (); awt::Rectangle aBoundingBox (getBounds()); return awt::Point (aBoundingBox.X, aBoundingBox.Y); } awt::Point SAL_CALL AccessibleShape::getLocationOnScreen() { ThrowIfDisposed (); // Get relative position... awt::Point aLocation (getLocation ()); // ... and add absolute position of the parent. uno::Reference xParentComponent ( getAccessibleParent(), uno::UNO_QUERY); if (xParentComponent.is()) { awt::Point aParentLocation (xParentComponent->getLocationOnScreen()); aLocation.X += aParentLocation.X; aLocation.Y += aParentLocation.Y; } else SAL_WARN("svx", "parent does not support XAccessibleComponent"); return aLocation; } awt::Size SAL_CALL AccessibleShape::getSize() { ThrowIfDisposed (); awt::Rectangle aBoundingBox (getBounds()); return awt::Size (aBoundingBox.Width, aBoundingBox.Height); } sal_Int32 SAL_CALL AccessibleShape::getForeground() { ThrowIfDisposed (); sal_Int32 nColor (0x0ffffffL); try { uno::Reference aSet (mxShape, uno::UNO_QUERY); if (aSet.is()) { uno::Any aColor; aColor = aSet->getPropertyValue ("LineColor"); aColor >>= nColor; } } catch (const css::beans::UnknownPropertyException &) { // Ignore exception and return default color. } return nColor; } sal_Int32 SAL_CALL AccessibleShape::getBackground() { ThrowIfDisposed (); Color nColor; try { uno::Reference aSet (mxShape, uno::UNO_QUERY); if (aSet.is()) { uno::Any aColor; aColor = aSet->getPropertyValue ("FillColor"); aColor >>= nColor; aColor = aSet->getPropertyValue ("FillTransparence"); short nTrans=0; aColor >>= nTrans; Color crBk(nColor); if (nTrans == 0 ) { crBk.SetTransparency(0xff); } else { nTrans = short(256 - nTrans / 100. * 256); crBk.SetTransparency(sal_uInt8(nTrans)); } nColor = crBk; } } catch (const css::beans::UnknownPropertyException &) { // Ignore exception and return default color. } return sal_Int32(nColor); } // XAccessibleEventBroadcaster void SAL_CALL AccessibleShape::addAccessibleEventListener ( const Reference& rxListener) { if (rBHelper.bDisposed || rBHelper.bInDispose) { uno::Reference xThis ( static_cast(this), uno::UNO_QUERY); rxListener->disposing (lang::EventObject (xThis)); } else { AccessibleContextBase::addAccessibleEventListener (rxListener); if (mpText != nullptr) mpText->AddEventListener (rxListener); } } void SAL_CALL AccessibleShape::removeAccessibleEventListener ( const Reference& rxListener) { AccessibleContextBase::removeAccessibleEventListener (rxListener); if (mpText != nullptr) mpText->RemoveEventListener (rxListener); } // XInterface css::uno::Any SAL_CALL AccessibleShape::queryInterface (const css::uno::Type & rType) { css::uno::Any aReturn = AccessibleContextBase::queryInterface (rType); if ( ! aReturn.hasValue()) aReturn = ::cppu::queryInterface (rType, static_cast(this), static_cast(this), static_cast< css::accessibility::XAccessibleSelection* >(this), static_cast< css::accessibility::XAccessibleExtendedAttributes* >(this), static_cast(this), static_cast(this), static_cast(this), static_cast(this) ); return aReturn; } void SAL_CALL AccessibleShape::acquire() throw () { AccessibleContextBase::acquire (); } void SAL_CALL AccessibleShape::release() throw () { AccessibleContextBase::release (); } // XAccessibleSelection void SAL_CALL AccessibleShape::selectAccessibleChild( sal_Int32 ) { } sal_Bool SAL_CALL AccessibleShape::isAccessibleChildSelected( sal_Int32 nChildIndex ) { uno::Reference xAcc = getAccessibleChild( nChildIndex ); uno::Reference xContext; if( xAcc.is() ) { xContext = xAcc->getAccessibleContext(); } if( xContext.is() ) { if( xContext->getAccessibleRole() == AccessibleRole::PARAGRAPH ) { uno::Reference< css::accessibility::XAccessibleText > xText(xAcc, uno::UNO_QUERY); if( xText.is() ) { if( xText->getSelectionStart() >= 0 ) return true; } } else if( xContext->getAccessibleRole() == AccessibleRole::SHAPE ) { Reference< XAccessibleStateSet > pRState = xContext->getAccessibleStateSet(); if( !pRState.is() ) return false; uno::Sequence aStates = pRState->getStates(); return std::find(aStates.begin(), aStates.end(), AccessibleStateType::SELECTED) != aStates.end(); } } return false; } void SAL_CALL AccessibleShape::clearAccessibleSelection( ) { } void SAL_CALL AccessibleShape::selectAllAccessibleChildren( ) { } sal_Int32 SAL_CALL AccessibleShape::getSelectedAccessibleChildCount() { sal_Int32 nCount = 0; sal_Int32 TotalCount = getAccessibleChildCount(); for( sal_Int32 i = 0; i < TotalCount; i++ ) if( isAccessibleChildSelected(i) ) nCount++; return nCount; } Reference SAL_CALL AccessibleShape::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) { if ( nSelectedChildIndex > getSelectedAccessibleChildCount() ) throw IndexOutOfBoundsException(); sal_Int32 i1, i2; for( i1 = 0, i2 = 0; i1 < getAccessibleChildCount(); i1++ ) if( isAccessibleChildSelected(i1) ) { if( i2 == nSelectedChildIndex ) return getAccessibleChild( i1 ); i2++; } return Reference(); } void SAL_CALL AccessibleShape::deselectAccessibleChild( sal_Int32 ) { } // XAccessibleExtendedAttributes uno::Any SAL_CALL AccessibleShape::getExtendedAttributes() { uno::Any strRet; OUString style; if( getAccessibleRole() != AccessibleRole::SHAPE ) return strRet; if( m_pShape ) { style = "style:" + GetStyle(); } style += ";"; strRet <<= style; return strRet; } // XServiceInfo OUString SAL_CALL AccessibleShape::getImplementationName() { return "AccessibleShape"; } uno::Sequence SAL_CALL AccessibleShape::getSupportedServiceNames() { ThrowIfDisposed (); // Get list of supported service names from base class... uno::Sequence aServiceNames = AccessibleContextBase::getSupportedServiceNames(); sal_Int32 nCount (aServiceNames.getLength()); // ...and add additional names. aServiceNames.realloc (nCount + 1); aServiceNames[nCount] = "com.sun.star.drawing.AccessibleShape"; return aServiceNames; } // XTypeProvider uno::Sequence SAL_CALL AccessibleShape::getTypes() { ThrowIfDisposed (); // Get list of types from the context base implementation, ... uno::Sequence aTypeList (AccessibleContextBase::getTypes()); // ... get list of types from component base implementation, ... uno::Sequence aComponentTypeList (AccessibleComponentBase::getTypes()); // ... define local types, ... const uno::Type aLangEventListenerType = cppu::UnoType::get(); const uno::Type aDocumentEventListenerType = cppu::UnoType::get(); const uno::Type aUnoTunnelType = cppu::UnoType::get(); // ... and merge them all into one list. sal_Int32 nTypeCount (aTypeList.getLength()), nComponentTypeCount (aComponentTypeList.getLength()); aTypeList.realloc (nTypeCount + nComponentTypeCount + 3); std::copy(aComponentTypeList.begin(), aComponentTypeList.end(), std::next(aTypeList.begin(), nTypeCount)); int i = nTypeCount + nComponentTypeCount; aTypeList[ i++ ] = aLangEventListenerType; aTypeList[ i++ ] = aDocumentEventListenerType; aTypeList[ i ] = aUnoTunnelType; return aTypeList; } // lang::XEventListener /** Disposing calls are accepted only from the model: Just reset the reference to the model in the shape tree info. Otherwise this object remains functional. */ void AccessibleShape::disposing (const lang::EventObject& aEvent) { SolarMutexGuard aSolarGuard; ::osl::MutexGuard aGuard (maMutex); try { if (aEvent.Source == maShapeTreeInfo.GetModelBroadcaster()) { // Remove reference to model broadcaster to allow it to pass // away. maShapeTreeInfo.SetModelBroadcaster(nullptr); } } catch (uno::RuntimeException const&) { TOOLS_WARN_EXCEPTION("svx", "caught exception while disposing"); } } // document::XShapeEventListener void SAL_CALL AccessibleShape::notifyShapeEvent (const document::EventObject& rEventObject) { if (rEventObject.EventName == "ShapeModified") { //Need to update text children when receiving ShapeModified hint when exiting edit mode for text box if (mpText) mpText->UpdateChildren(); // Some property of a shape has been modified. Send an event // that indicates a change of the visible data to all listeners. CommitChange ( AccessibleEventId::VISIBLE_DATA_CHANGED, uno::Any(), uno::Any()); // Name and Description may have changed. Update the local // values accordingly. UpdateNameAndDescription(); } } // lang::XUnoTunnel UNO3_GETIMPLEMENTATION_IMPL(AccessibleShape) // IAccessibleViewForwarderListener void AccessibleShape::ViewForwarderChanged() { // Inform all listeners that the graphical representation (i.e. size // and/or position) of the shape has changed. CommitChange (AccessibleEventId::VISIBLE_DATA_CHANGED, uno::Any(), uno::Any()); // Tell children manager of the modified view forwarder. if (mpChildrenManager != nullptr) mpChildrenManager->ViewForwarderChanged(); // update our children that our screen position might have changed if( mpText ) mpText->UpdateChildren(); } // protected internal // Set this object's name if is different to the current name. OUString AccessibleShape::CreateAccessibleBaseName() { return ShapeTypeHandler::CreateAccessibleBaseName( mxShape ); } OUString AccessibleShape::CreateAccessibleName() { return GetFullAccessibleName(this); } OUString AccessibleShape::GetFullAccessibleName (AccessibleShape *shape) { OUString sName (shape->CreateAccessibleBaseName()); // Append the shape's index to the name to disambiguate between shapes // of the same type. If such an index where not given to the // constructor then use the z-order instead. If even that does not exist // we throw an exception. OUString nameStr; if (shape->m_pShape) nameStr = shape->m_pShape->GetName(); if (nameStr.isEmpty()) { sName += " "; } else { sName = nameStr; } //If the new produced name if not the same with last,notify name changed //Event if (aAccName != sName && !aAccName.isEmpty()) { uno::Any aOldValue, aNewValue; aOldValue <<= aAccName; aNewValue <<= sName; CommitChange( AccessibleEventId::NAME_CHANGED, aNewValue, aOldValue); } aAccName = sName; return sName; } // protected void AccessibleShape::disposing() { SolarMutexGuard aSolarGuard; ::osl::MutexGuard aGuard (maMutex); // Make sure to send an event that this object loses the focus in the // case that it has the focus. ::utl::AccessibleStateSetHelper* pStateSet = static_cast< ::utl::AccessibleStateSetHelper*>(mxStateSet.get()); if (pStateSet != nullptr) pStateSet->RemoveState (AccessibleStateType::FOCUSED); // Unregister from model. if (mxShape.is() && maShapeTreeInfo.GetModelBroadcaster().is()) maShapeTreeInfo.GetModelBroadcaster()->removeShapeEventListener(mxShape, static_cast(this)); // Release the child containers. if (mpChildrenManager != nullptr) { mpChildrenManager.reset(); } if (mpText != nullptr) { mpText->Dispose(); mpText.reset(); } // Cleanup. Remove references to objects to allow them to be // destroyed. mxShape = nullptr; maShapeTreeInfo.dispose(); // Call base classes. AccessibleContextBase::dispose (); } sal_Int32 SAL_CALL AccessibleShape::getAccessibleIndexInParent() { ThrowIfDisposed (); // Use a simple but slow solution for now. Optimize later. sal_Int32 nIndex = m_nIndexInParent; if ( -1 == nIndex ) nIndex = AccessibleContextBase::getAccessibleIndexInParent(); return nIndex; } void AccessibleShape::UpdateNameAndDescription() { // Ignore missing title, name, or description. There are fallbacks for // them. try { Reference xSet (mxShape, uno::UNO_QUERY_THROW); // Get the accessible name. OUString sString = GetOptionalProperty(xSet, "Title"); if (!sString.isEmpty()) { SetAccessibleName(sString, AccessibleContextBase::FromShape); } else { sString = GetOptionalProperty(xSet, "Name"); if (!sString.isEmpty()) SetAccessibleName(sString, AccessibleContextBase::FromShape); } // Get the accessible description. sString = GetOptionalProperty(xSet, "Description"); if (!sString.isEmpty()) SetAccessibleDescription(sString, AccessibleContextBase::FromShape); } catch (uno::RuntimeException&) { } } // Return this object's role. sal_Int16 SAL_CALL AccessibleShape::getAccessibleRole() { sal_Int16 nAccessibleRole = AccessibleRole::SHAPE ; switch (ShapeTypeHandler::Instance().GetTypeId (mxShape)) { case DRAWING_GRAPHIC_OBJECT: nAccessibleRole = AccessibleRole::GRAPHIC ; break; case DRAWING_OLE: nAccessibleRole = AccessibleRole::EMBEDDED_OBJECT ; break; default: nAccessibleRole = AccessibleContextBase::getAccessibleRole(); break; } return nAccessibleRole; } namespace { //sort the drawing objects from up to down, from left to right struct XShapePosCompareHelper { bool operator() ( const uno::Reference& xshape1, const uno::Reference& xshape2 ) const { SdrObject* pObj1 = GetSdrObjectFromXShape(xshape1); SdrObject* pObj2 = GetSdrObjectFromXShape(xshape2); if(pObj1 && pObj2) return pObj1->GetOrdNum() < pObj2->GetOrdNum(); else return false; } }; } //end of group position // XAccessibleGroupPosition uno::Sequence< sal_Int32 > SAL_CALL AccessibleShape::getGroupPosition( const uno::Any& ) { // we will return the: // [0] group level // [1] similar items counts in the group // [2] the position of the object in the group uno::Sequence< sal_Int32 > aRet( 3 ); aRet[0] = 0; aRet[1] = 0; aRet[2] = 0; css::uno::Reference xParent = getAccessibleParent(); if (!xParent.is()) { return aRet; } SdrObject *pObj = GetSdrObjectFromXShape(mxShape); if(pObj == nullptr ) { return aRet; } // Compute object's group level. sal_Int32 nGroupLevel = 0; SdrObject * pUper = pObj->getParentSdrObjectFromSdrObject(); while( pUper ) { ++nGroupLevel; pUper = pUper->getParentSdrObjectFromSdrObject(); } css::uno::Reference xParentContext = xParent->getAccessibleContext(); if( xParentContext->getAccessibleRole() == AccessibleRole::DOCUMENT || xParentContext->getAccessibleRole() == AccessibleRole::DOCUMENT_PRESENTATION || xParentContext->getAccessibleRole() == AccessibleRole::DOCUMENT_SPREADSHEET || xParentContext->getAccessibleRole() == AccessibleRole::DOCUMENT_TEXT )//Document { Reference< XAccessibleGroupPosition > xGroupPosition( xParent,uno::UNO_QUERY ); if ( xGroupPosition.is() ) { aRet = xGroupPosition->getGroupPosition( uno::makeAny( getAccessibleContext() ) ); } return aRet; } if (xParentContext->getAccessibleRole() != AccessibleRole::SHAPE) { return aRet; } SdrObjList *pGrpList = nullptr; if( pObj->getParentSdrObjectFromSdrObject() ) pGrpList = pObj->getParentSdrObjectFromSdrObject()->GetSubList(); else return aRet; std::vector< uno::Reference > vXShapes; if (pGrpList) { const size_t nObj = pGrpList->GetObjCount(); for(size_t i = 0 ; i < nObj ; ++i) { SdrObject *pSubObj = pGrpList->GetObj(i); if (pSubObj && xParentContext->getAccessibleChild(i)->getAccessibleContext()->getAccessibleRole() != AccessibleRole::GROUP_BOX) { vXShapes.push_back( GetXShapeForSdrObject(pSubObj) ); } } } std::sort( vXShapes.begin(), vXShapes.end(), XShapePosCompareHelper() ); //get the index of the selected object in the group //we start counting position from 1 sal_Int32 nPos = 1; for ( const auto& rpShape : vXShapes ) { if ( rpShape.get() == mxShape.get() ) { sal_Int32* pArray = aRet.getArray(); pArray[0] = nGroupLevel; pArray[1] = vXShapes.size(); pArray[2] = nPos; break; } nPos++; } return aRet; } OUString AccessibleShape::getObjectLink( const uno::Any& ) { OUString aRet; SdrObject *pObj = GetSdrObjectFromXShape(mxShape); if(pObj == nullptr ) { return aRet; } if (maShapeTreeInfo.GetDocumentWindow().is()) { Reference< XAccessibleGroupPosition > xGroupPosition( maShapeTreeInfo.GetDocumentWindow(), uno::UNO_QUERY ); if (xGroupPosition.is()) { aRet = xGroupPosition->getObjectLink( uno::makeAny( getAccessibleContext() ) ); } } return aRet; } // XAccessibleHypertext sal_Int32 SAL_CALL AccessibleShape::getHyperLinkCount() { // MT: Introduced with IA2 CWS, but SvxAccessibleHyperlink was redundant to svx::AccessibleHyperlink which we introduced meanwhile. // Code need to be adapted... return 0; /* SvxAccessibleHyperlink* pLink = new SvxAccessibleHyperlink(m_pShape,this); if (pLink->IsValidHyperlink()) return 1; else return 0; */ } uno::Reference< XAccessibleHyperlink > SAL_CALL AccessibleShape::getHyperLink( sal_Int32 ) { uno::Reference< XAccessibleHyperlink > xRet; // MT: Introduced with IA2 CWS, but SvxAccessibleHyperlink was redundant to svx::AccessibleHyperlink which we introduced meanwhile. // Code need to be adapted... /* SvxAccessibleHyperlink* pLink = new SvxAccessibleHyperlink(m_pShape,this); if (pLink->IsValidHyperlink()) xRet = pLink; if( !xRet.is() ) throw css::lang::IndexOutOfBoundsException(); */ return xRet; } sal_Int32 SAL_CALL AccessibleShape::getHyperLinkIndex( sal_Int32 ) { return 0; } // XAccessibleText sal_Int32 SAL_CALL AccessibleShape::getCaretPosition( ){return 0;} sal_Bool SAL_CALL AccessibleShape::setCaretPosition( sal_Int32 ){return false;} sal_Unicode SAL_CALL AccessibleShape::getCharacter( sal_Int32 ){return 0;} css::uno::Sequence< css::beans::PropertyValue > SAL_CALL AccessibleShape::getCharacterAttributes( sal_Int32, const css::uno::Sequence< OUString >& ) { uno::Sequence< css::beans::PropertyValue > aValues(0); return aValues; } css::awt::Rectangle SAL_CALL AccessibleShape::getCharacterBounds( sal_Int32 ) { return css::awt::Rectangle(0, 0, 0, 0 ); } sal_Int32 SAL_CALL AccessibleShape::getCharacterCount( ){return 0;} sal_Int32 SAL_CALL AccessibleShape::getIndexAtPoint( const css::awt::Point& ){return 0;} OUString SAL_CALL AccessibleShape::getSelectedText( ){return OUString();} sal_Int32 SAL_CALL AccessibleShape::getSelectionStart( ){return 0;} sal_Int32 SAL_CALL AccessibleShape::getSelectionEnd( ){return 0;} sal_Bool SAL_CALL AccessibleShape::setSelection( sal_Int32, sal_Int32 ){return true;} OUString SAL_CALL AccessibleShape::getText( ){return OUString();} OUString SAL_CALL AccessibleShape::getTextRange( sal_Int32, sal_Int32 ){return OUString();} css::accessibility::TextSegment SAL_CALL AccessibleShape::getTextAtIndex( sal_Int32, sal_Int16 ) { css::accessibility::TextSegment aResult; return aResult; } css::accessibility::TextSegment SAL_CALL AccessibleShape::getTextBeforeIndex( sal_Int32, sal_Int16 ) { css::accessibility::TextSegment aResult; return aResult; } css::accessibility::TextSegment SAL_CALL AccessibleShape::getTextBehindIndex( sal_Int32, sal_Int16 ) { css::accessibility::TextSegment aResult; return aResult; } sal_Bool SAL_CALL AccessibleShape::copyText( sal_Int32, sal_Int32 ){return true;} sal_Bool SAL_CALL AccessibleShape::scrollSubstringTo( sal_Int32, sal_Int32, AccessibleScrollType ){return false;} } // end of namespace accessibility /* vim:set shiftwidth=4 softtabstop=4 expandtab: */