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+/* -*- 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 <svx/AccessibleShape.hxx>
+#include <svx/AccessibleShapeInfo.hxx>
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/AccessibleStateType.hpp>
+#include <com/sun/star/accessibility/AccessibleRelationType.hpp>
+#include <com/sun/star/accessibility/AccessibleEventId.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/drawing/XShapes.hpp>
+#include <com/sun/star/document/XShapeEventBroadcaster.hpp>
+#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
+#include <com/sun/star/drawing/FillStyle.hpp>
+#include <com/sun/star/text/XText.hpp>
+#include <sal/log.hxx>
+#include <editeng/unoedsrc.hxx>
+#include <svx/AccessibleTextHelper.hxx>
+#include <svx/ChildrenManager.hxx>
+#include <svx/IAccessibleParent.hxx>
+#include <svx/IAccessibleViewForwarder.hxx>
+#include <svx/unoshtxt.hxx>
+#include <svx/svdobj.hxx>
+#include <svx/unoapi.hxx>
+#include <svx/svdpage.hxx>
+#include <svx/ShapeTypeHandler.hxx>
+#include <svx/SvxShapeTypes.hxx>
+
+#include <vcl/svapp.hxx>
+#include <vcl/window.hxx>
+#include <unotools/accessiblerelationsethelper.hxx>
+#include <svx/svdview.hxx>
+#include <comphelper/diagnose_ex.hxx>
+#include <cppuhelper/queryinterface.hxx>
+#include <comphelper/sequence.hxx>
+#include "AccessibleEmptyEditSource.hxx"
+
+#include <algorithm>
+#include <memory>
+
+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<beans::XPropertySet>& rxSet,
+ const OUString& rsPropertyName)
+{
+ OUString sValue;
+
+ if (rxSet.is())
+ {
+ const Reference<beans::XPropertySetInfo> 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 = SdrObject::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<drawing::XShapes> 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<document::XShapeEventListener*>(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<text::XText> xText (mxShape, uno::UNO_QUERY);
+ if (!xText.is())
+ return;
+
+ SdrView* pView = maShapeTreeInfo.GetSdrView ();
+ const vcl::Window* pWindow = maShapeTreeInfo.GetWindow ();
+ if (!(pView != nullptr && pWindow != nullptr && mxShape.is()))
+ return;
+
+ // #107948# Determine whether shape text is empty
+ SdrObject* pSdrObject = SdrObject::getSdrObjectFromXShape(mxShape);
+ if( !pSdrObject )
+ return;
+
+ SdrTextObj* pTextObj = DynCastSdrTextObj( 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<AccessibleEmptyEditSource >(*pSdrObject, *pView, *pWindow->GetOutDev()) ) );
+ }
+ else
+ {
+ // non-empty text -> use full-fledged edit source right away
+ mpText.reset( new AccessibleTextHelper( std::make_unique<SvxTextEditSource >(*pSdrObject, nullptr, *pView, *pWindow->GetOutDev()) ) );
+ }
+ if( pWindow->HasFocus() )
+ mpText->SetFocus();
+
+ mpText->SetEventSource(this);
+}
+
+
+void AccessibleShape::UpdateStates()
+{
+ // 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<beans::XPropertySet> 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)
+ mnStateSet |= AccessibleStateType::OPAQUE;
+ else
+ mnStateSet &= ~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)
+ mnStateSet |= AccessibleStateType::SELECTED;
+ else
+ mnStateSet &= ~AccessibleStateType::SELECTED;
+}
+
+OUString AccessibleShape::GetStyle() const
+{
+ return ShapeTypeHandler::CreateAccessibleBaseName( mxShape );
+}
+
+bool AccessibleShape::SetState (sal_Int64 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_Int64 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_Int64 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_Int64 SAL_CALL
+ AccessibleShape::getAccessibleChildCount ()
+{
+ if (IsDisposed())
+ {
+ return 0;
+ }
+
+ sal_Int64 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<XAccessible> SAL_CALL
+ AccessibleShape::getAccessibleChild (sal_Int64 nIndex)
+{
+ ThrowIfDisposed ();
+
+ uno::Reference<XAccessible> 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_Int64 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),
+ getXWeak());
+
+ return xChild;
+}
+
+uno::Reference<XAccessibleRelationSet> SAL_CALL
+ AccessibleShape::getAccessibleRelationSet()
+{
+ ::osl::MutexGuard aGuard (m_aMutex);
+ if (mpParent == nullptr)
+ return uno::Reference<XAccessibleRelationSet>();
+
+ rtl::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 pRelationSet;
+}
+
+/** Return a copy of the state set.
+ Possible states are:
+ ENABLED
+ SHOWING
+ VISIBLE
+*/
+sal_Int64 SAL_CALL
+ AccessibleShape::getAccessibleStateSet()
+{
+ ::osl::MutexGuard aGuard (m_aMutex);
+
+ if (IsDisposed())
+ {
+ // Return a minimal state set that only contains the DEFUNC state.
+ return AccessibleContextBase::getAccessibleStateSet ();
+ }
+
+ // Merge current FOCUSED state from edit engine.
+ if (mpText)
+ {
+ if (mpText->HaveFocus())
+ mnStateSet |= AccessibleStateType::FOCUSED;
+ else
+ mnStateSet &= ~AccessibleStateType::FOCUSED;
+ }
+ //Just when the document is not read-only,set states EDITABLE,RESIZABLE,MOVEABLE
+ css::uno::Reference<XAccessible> xTempAcc = getAccessibleParent();
+ if( xTempAcc.is() )
+ {
+ css::uno::Reference<XAccessibleContext>
+ xTempAccContext = xTempAcc->getAccessibleContext();
+ if( xTempAccContext.is() )
+ {
+ sal_Int64 nState = xTempAccContext->getAccessibleStateSet();
+ if (nState & AccessibleStateType::EDITABLE)
+ {
+ mnStateSet |= AccessibleStateType::EDITABLE;
+ mnStateSet |= AccessibleStateType::RESIZABLE;
+ mnStateSet |= AccessibleStateType::MOVEABLE;
+ }
+ }
+ }
+
+ sal_Int64 nRetStateSet = mnStateSet;
+
+ if (mpParent && mpParent->IsDocumentSelAll())
+ {
+ nRetStateSet |= AccessibleStateType::SELECTED;
+ }
+
+ return nRetStateSet;
+}
+
+// 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<XAccessible > SAL_CALL
+ AccessibleShape::getAccessibleAtPoint (
+ const awt::Point& aPoint)
+{
+ ::osl::MutexGuard aGuard (m_aMutex);
+
+ sal_Int64 nChildCount = getAccessibleChildCount ();
+ for (sal_Int64 i = 0; i < nChildCount; ++i)
+ {
+ Reference<XAccessible> xChild (getAccessibleChild (i));
+ if (xChild.is())
+ {
+ Reference<XAccessibleComponent> 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<XAccessible>();
+}
+
+
+awt::Rectangle SAL_CALL AccessibleShape::getBounds()
+{
+ SolarMutexGuard aSolarGuard;
+ ::osl::MutexGuard aGuard (m_aMutex);
+
+ ThrowIfDisposed ();
+ awt::Rectangle aBoundingBox;
+ if ( mxShape.is() )
+ {
+
+ static constexpr OUString sBoundRectName = u"BoundRect"_ustr;
+ static constexpr OUString sAnchorPositionName = u"AnchorPosition"_ustr;
+
+ // 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<beans::XPropertySet> xSet (mxShape, uno::UNO_QUERY);
+ Reference<beans::XPropertySetInfo> 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",
+ getXWeak());
+ ::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<XAccessibleComponent> 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.Left(),
+ aBBox.Top(),
+ aBBox.getOpenWidth(),
+ aBBox.getOpenHeight());
+ }
+ 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<XAccessibleComponent> 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<beans::XPropertySet> 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<beans::XPropertySet> 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.SetAlpha(0);
+ }
+ else
+ {
+ nTrans = short(256 - nTrans / 100. * 256);
+ crBk.SetAlpha(255 - 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<XAccessibleEventListener >& rxListener)
+{
+ if (rBHelper.bDisposed || rBHelper.bInDispose)
+ {
+ uno::Reference<uno::XInterface> xThis (
+ static_cast<lang::XComponent *>(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<XAccessibleEventListener >& 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<XAccessibleComponent*>(this),
+ static_cast<XAccessibleExtendedComponent*>(this),
+ static_cast< css::accessibility::XAccessibleSelection* >(this),
+ static_cast< css::accessibility::XAccessibleExtendedAttributes* >(this),
+ static_cast<document::XShapeEventListener*>(this),
+ static_cast<lang::XUnoTunnel*>(this),
+ static_cast<XAccessibleGroupPosition*>(this),
+ static_cast<XAccessibleHypertext*>(this)
+ );
+ return aReturn;
+}
+
+
+void SAL_CALL
+ AccessibleShape::acquire()
+ noexcept
+{
+ AccessibleContextBase::acquire ();
+}
+
+
+void SAL_CALL
+ AccessibleShape::release()
+ noexcept
+{
+ AccessibleContextBase::release ();
+}
+
+// XAccessibleSelection
+void SAL_CALL AccessibleShape::selectAccessibleChild( sal_Int64 )
+{
+}
+
+
+sal_Bool SAL_CALL AccessibleShape::isAccessibleChildSelected( sal_Int64 nChildIndex )
+{
+ uno::Reference<XAccessible> xAcc = getAccessibleChild( nChildIndex );
+ uno::Reference<XAccessibleContext> 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 )
+ {
+ sal_Int64 pRState = xContext->getAccessibleStateSet();
+
+ return bool(pRState & AccessibleStateType::SELECTED);
+ }
+ }
+
+ return false;
+}
+
+
+void SAL_CALL AccessibleShape::clearAccessibleSelection( )
+{
+}
+
+
+void SAL_CALL AccessibleShape::selectAllAccessibleChildren( )
+{
+}
+
+
+sal_Int64 SAL_CALL AccessibleShape::getSelectedAccessibleChildCount()
+{
+ sal_Int64 nCount = 0;
+ sal_Int64 TotalCount = getAccessibleChildCount();
+ for( sal_Int64 i = 0; i < TotalCount; i++ )
+ if( isAccessibleChildSelected(i) ) nCount++;
+
+ return nCount;
+}
+
+
+Reference<XAccessible> SAL_CALL AccessibleShape::getSelectedAccessibleChild( sal_Int64 nSelectedChildIndex )
+{
+ if ( nSelectedChildIndex > getSelectedAccessibleChildCount() )
+ throw IndexOutOfBoundsException();
+ for (sal_Int64 i1 = 0, i2 = 0; i1 < getAccessibleChildCount(); i1++)
+ if( isAccessibleChildSelected(i1) )
+ {
+ if( i2 == nSelectedChildIndex )
+ return getAccessibleChild( i1 );
+ i2++;
+ }
+ return Reference<XAccessible>();
+}
+
+
+void SAL_CALL AccessibleShape::deselectAccessibleChild( sal_Int64 )
+{
+
+}
+
+// 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<OUString> SAL_CALL
+ AccessibleShape::getSupportedServiceNames()
+{
+ ThrowIfDisposed ();
+ const css::uno::Sequence<OUString> vals { "com.sun.star.drawing.AccessibleShape" };
+ return comphelper::concatSequences(AccessibleContextBase::getSupportedServiceNames(), vals);
+}
+
+// XTypeProvider
+uno::Sequence<uno::Type> SAL_CALL
+ AccessibleShape::getTypes()
+{
+ ThrowIfDisposed ();
+ // Get list of types from the context base implementation, ...
+ uno::Sequence<uno::Type> aTypeList (AccessibleContextBase::getTypes());
+ // ... get list of types from component base implementation, ...
+ uno::Sequence<uno::Type> aComponentTypeList (AccessibleComponentBase::getTypes());
+ // ... define local types
+ uno::Sequence<uno::Type> localTypesList = {
+ cppu::UnoType<lang::XEventListener>::get(),
+ cppu::UnoType<document::XEventListener>::get(),
+ cppu::UnoType<lang::XUnoTunnel>::get()
+ };
+
+ return comphelper::concatSequences(aTypeList, aComponentTypeList, localTypesList);
+}
+
+// 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 (m_aMutex);
+
+ 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");
+ }
+ mpChildrenManager.reset();
+ mxShape.clear();
+ maShapeTreeInfo.dispose();
+ mpText.reset();
+}
+
+// document::XShapeEventListener
+void SAL_CALL
+ AccessibleShape::notifyShapeEvent (const document::EventObject& rEventObject)
+{
+ if (rEventObject.EventName != "ShapeModified")
+ return;
+
+ //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(), -1);
+
+ // 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(), -1);
+
+ // 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, -1);
+ }
+ aAccName = sName;
+ return sName;
+}
+
+// protected
+void AccessibleShape::disposing()
+{
+ SolarMutexGuard aSolarGuard;
+ ::osl::MutexGuard aGuard (m_aMutex);
+
+ // Make sure to send an event that this object loses the focus in the
+ // case that it has the focus.
+ mnStateSet &= ~AccessibleStateType::FOCUSED;
+
+ // Unregister from model.
+ if (mxShape.is() && maShapeTreeInfo.GetModelBroadcaster().is())
+ maShapeTreeInfo.GetModelBroadcaster()->removeShapeEventListener(mxShape,
+ static_cast<document::XShapeEventListener*>(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_Int64 SAL_CALL
+ AccessibleShape::getAccessibleIndexInParent()
+{
+ ThrowIfDisposed ();
+ // Use a simple but slow solution for now. Optimize later.
+
+ sal_Int64 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<beans::XPropertySet> 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<drawing::XShape>& xshape1,
+ const uno::Reference<drawing::XShape>& xshape2 ) const
+ {
+ SdrObject* pObj1 = SdrObject::getSdrObjectFromXShape(xshape1);
+ SdrObject* pObj2 = SdrObject::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{ 0, 0, 0 };
+
+ css::uno::Reference<XAccessible> xParent = getAccessibleParent();
+ if (!xParent.is())
+ {
+ return aRet;
+ }
+ SdrObject *pObj = SdrObject::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<XAccessibleContext> 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::Any( 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<drawing::XShape> > 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 = SdrObject::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::Any( 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: */