1294 lines
40 KiB
C++
1294 lines
40 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <svx/AccessibleShape.hxx>
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#include <svx/AccessibleShapeInfo.hxx>
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#include <com/sun/star/accessibility/AccessibleRole.hpp>
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#include <com/sun/star/accessibility/AccessibleStateType.hpp>
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#include <com/sun/star/accessibility/AccessibleRelationType.hpp>
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#include <com/sun/star/accessibility/AccessibleEventId.hpp>
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/drawing/XShapes.hpp>
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#include <com/sun/star/document/XShapeEventBroadcaster.hpp>
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#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
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#include <com/sun/star/drawing/FillStyle.hpp>
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#include <com/sun/star/text/XText.hpp>
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#include <sal/log.hxx>
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#include <editeng/unoedsrc.hxx>
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#include <svx/AccessibleTextHelper.hxx>
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#include <svx/ChildrenManager.hxx>
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#include <svx/IAccessibleParent.hxx>
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#include <svx/IAccessibleViewForwarder.hxx>
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#include <svx/unoshtxt.hxx>
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#include <svx/svdobj.hxx>
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#include <svx/unoapi.hxx>
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#include <svx/svdpage.hxx>
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#include <svx/ShapeTypeHandler.hxx>
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#include <svx/SvxShapeTypes.hxx>
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#include <vcl/svapp.hxx>
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#include <vcl/window.hxx>
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#include <unotools/accessiblerelationsethelper.hxx>
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#include <svx/svdview.hxx>
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#include <comphelper/diagnose_ex.hxx>
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#include <cppuhelper/queryinterface.hxx>
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#include <comphelper/sequence.hxx>
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#include "AccessibleEmptyEditSource.hxx"
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#include <algorithm>
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#include <memory>
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::accessibility;
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using ::com::sun::star::uno::Reference;
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using ::com::sun::star::lang::IndexOutOfBoundsException;
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using ::com::sun::star::uno::RuntimeException;
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namespace accessibility {
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namespace {
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OUString GetOptionalProperty (
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const Reference<beans::XPropertySet>& rxSet,
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const OUString& rsPropertyName)
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{
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OUString sValue;
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if (rxSet.is())
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{
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const Reference<beans::XPropertySetInfo> xInfo (rxSet->getPropertySetInfo());
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if ( ! xInfo.is() || xInfo->hasPropertyByName(rsPropertyName))
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{
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try
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{
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rxSet->getPropertyValue(rsPropertyName) >>= sValue;
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}
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catch (beans::UnknownPropertyException&)
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{
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// This exception should only be thrown when the property
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// does not exits (of course) and the XPropertySetInfo is
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// not available.
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}
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}
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}
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return sValue;
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}
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} // end of anonymous namespace
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// internal
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AccessibleShape::AccessibleShape (
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const AccessibleShapeInfo& rShapeInfo,
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const AccessibleShapeTreeInfo& rShapeTreeInfo)
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: AccessibleContextBase (rShapeInfo.mxParent,AccessibleRole::SHAPE),
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mxShape (rShapeInfo.mxShape),
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maShapeTreeInfo (rShapeTreeInfo),
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m_nIndexInParent(-1),
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mpParent (rShapeInfo.mpChildrenManager)
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{
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m_pShape = SdrObject::getSdrObjectFromXShape(mxShape);
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UpdateNameAndDescription();
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}
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AccessibleShape::~AccessibleShape()
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{
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mpChildrenManager.reset();
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mpText.reset();
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SAL_INFO("svx", "~AccessibleShape");
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// Unregistering from the various broadcasters should be unnecessary
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// since this destructor would not have been called if one of the
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// broadcasters would still hold a strong reference to this object.
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}
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void AccessibleShape::Init()
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{
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// Update the OPAQUE and SELECTED shape.
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UpdateStates ();
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// Create a children manager when this shape has children of its own.
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Reference<drawing::XShapes> xShapes (mxShape, uno::UNO_QUERY);
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if (xShapes.is() && xShapes->getCount() > 0)
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mpChildrenManager.reset( new ChildrenManager (
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this, xShapes, maShapeTreeInfo, *this) );
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if (mpChildrenManager != nullptr)
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mpChildrenManager->Update();
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// Register at model as document::XEventListener.
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if (mxShape.is() && maShapeTreeInfo.GetModelBroadcaster().is())
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maShapeTreeInfo.GetModelBroadcaster()->addShapeEventListener(mxShape,
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static_cast<document::XShapeEventListener*>(this));
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// Beware! Here we leave the paths of the UNO API and descend into the
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// depths of the core. Necessary for making the edit engine
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// accessible.
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Reference<text::XText> xText (mxShape, uno::UNO_QUERY);
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if (!xText.is())
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return;
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SdrView* pView = maShapeTreeInfo.GetSdrView ();
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const vcl::Window* pWindow = maShapeTreeInfo.GetWindow ();
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if (!(pView != nullptr && pWindow != nullptr && mxShape.is()))
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return;
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// #107948# Determine whether shape text is empty
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SdrObject* pSdrObject = SdrObject::getSdrObjectFromXShape(mxShape);
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if( !pSdrObject )
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return;
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SdrTextObj* pTextObj = DynCastSdrTextObj( pSdrObject );
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const bool hasOutlinerParaObject = (pTextObj && pTextObj->CanCreateEditOutlinerParaObject()) || (pSdrObject->GetOutlinerParaObject() != nullptr);
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// create AccessibleTextHelper to handle this shape's text
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if( !hasOutlinerParaObject )
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{
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// empty text -> use proxy edit source to delay creation of EditEngine
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mpText.reset( new AccessibleTextHelper( std::make_unique<AccessibleEmptyEditSource >(*pSdrObject, *pView, *pWindow->GetOutDev()) ) );
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}
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else
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{
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// non-empty text -> use full-fledged edit source right away
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mpText.reset( new AccessibleTextHelper( std::make_unique<SvxTextEditSource >(*pSdrObject, nullptr, *pView, *pWindow->GetOutDev()) ) );
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}
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if( pWindow->HasFocus() )
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mpText->SetFocus();
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mpText->SetEventSource(this);
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}
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void AccessibleShape::UpdateStates()
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{
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// Set the opaque state for certain shape types when their fill style is
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// solid.
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bool bShapeIsOpaque = false;
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switch (ShapeTypeHandler::Instance().GetTypeId (mxShape))
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{
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case DRAWING_PAGE:
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case DRAWING_RECTANGLE:
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case DRAWING_TEXT:
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{
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uno::Reference<beans::XPropertySet> xSet (mxShape, uno::UNO_QUERY);
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if (xSet.is())
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{
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try
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{
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drawing::FillStyle aFillStyle;
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bShapeIsOpaque = ( xSet->getPropertyValue (u"FillStyle"_ustr) >>= aFillStyle)
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&& aFillStyle == drawing::FillStyle_SOLID;
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}
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catch (css::beans::UnknownPropertyException&)
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{
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// Ignore.
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}
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}
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}
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}
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if (bShapeIsOpaque)
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mnStateSet |= AccessibleStateType::OPAQUE;
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else
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mnStateSet &= ~AccessibleStateType::OPAQUE;
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// Set the selected state.
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bool bShapeIsSelected = false;
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// XXX fix_me this has to be done with an extra interface later on
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if ( m_pShape && maShapeTreeInfo.GetSdrView() )
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{
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bShapeIsSelected = maShapeTreeInfo.GetSdrView()->IsObjMarked(m_pShape);
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}
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if (bShapeIsSelected)
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mnStateSet |= AccessibleStateType::SELECTED;
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else
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mnStateSet &= ~AccessibleStateType::SELECTED;
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}
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OUString AccessibleShape::GetStyle() const
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{
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return ShapeTypeHandler::CreateAccessibleBaseName( mxShape );
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}
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bool AccessibleShape::SetState (sal_Int64 aState)
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{
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bool bStateHasChanged = false;
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if (aState == AccessibleStateType::FOCUSED && mpText != nullptr)
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{
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// Offer FOCUSED state to edit engine and detect whether the state
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// changes.
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bool bIsFocused = mpText->HaveFocus ();
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mpText->SetFocus();
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bStateHasChanged = (bIsFocused != mpText->HaveFocus ());
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}
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else
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bStateHasChanged = AccessibleContextBase::SetState (aState);
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return bStateHasChanged;
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}
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bool AccessibleShape::ResetState (sal_Int64 aState)
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{
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bool bStateHasChanged = false;
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if (aState == AccessibleStateType::FOCUSED && mpText != nullptr)
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{
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// Try to remove FOCUSED state from the edit engine and detect
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// whether the state changes.
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bool bIsFocused = mpText->HaveFocus ();
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mpText->SetFocus (false);
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bStateHasChanged = (bIsFocused != mpText->HaveFocus ());
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}
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else
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bStateHasChanged = AccessibleContextBase::ResetState (aState);
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return bStateHasChanged;
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}
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bool AccessibleShape::GetState (sal_Int64 aState)
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{
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if (aState == AccessibleStateType::FOCUSED && mpText != nullptr)
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{
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// Just delegate the call to the edit engine. The state is not
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// merged into the state set.
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return mpText->HaveFocus();
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}
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else
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return AccessibleContextBase::GetState (aState);
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}
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// OverWrite the parent's getAccessibleName method
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OUString SAL_CALL AccessibleShape::getAccessibleName()
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{
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ThrowIfDisposed ();
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if (m_pShape && !m_pShape->GetTitle().isEmpty())
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return CreateAccessibleName() + " " + m_pShape->GetTitle();
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else
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return CreateAccessibleName();
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}
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OUString SAL_CALL AccessibleShape::getAccessibleDescription()
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{
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ThrowIfDisposed ();
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if( m_pShape && !m_pShape->GetDescription().isEmpty())
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return m_pShape->GetDescription() ;
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else
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return u" "_ustr;
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}
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// XAccessibleContext
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/** The children of this shape come from two sources: The children from
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group or scene shapes and the paragraphs of text.
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*/
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sal_Int64 SAL_CALL
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AccessibleShape::getAccessibleChildCount ()
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{
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if (IsDisposed())
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{
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return 0;
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}
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sal_Int64 nChildCount = 0;
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// Add the number of shapes that are children of this shape.
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if (mpChildrenManager != nullptr)
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nChildCount += mpChildrenManager->GetChildCount ();
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// Add the number text paragraphs.
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if (mpText != nullptr)
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nChildCount += mpText->GetChildCount ();
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return nChildCount;
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}
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/** Forward the request to the shape. Return the requested shape or throw
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an exception for a wrong index.
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*/
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uno::Reference<XAccessible> SAL_CALL
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AccessibleShape::getAccessibleChild (sal_Int64 nIndex)
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{
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ThrowIfDisposed ();
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uno::Reference<XAccessible> xChild;
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// Depending on the index decide whether to delegate this call to the
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// children manager or the edit engine.
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if ((mpChildrenManager != nullptr)
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&& (nIndex < mpChildrenManager->GetChildCount()))
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{
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xChild = mpChildrenManager->GetChild (nIndex);
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}
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else if (mpText != nullptr)
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{
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sal_Int64 nI = nIndex;
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if (mpChildrenManager != nullptr)
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nI -= mpChildrenManager->GetChildCount();
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xChild = mpText->GetChild (nI);
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}
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else
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throw lang::IndexOutOfBoundsException (
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"shape has no child with index " + OUString::number(nIndex),
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getXWeak());
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return xChild;
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}
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uno::Reference<XAccessibleRelationSet> SAL_CALL
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AccessibleShape::getAccessibleRelationSet()
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{
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::osl::MutexGuard aGuard (m_aMutex);
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if (mpParent == nullptr)
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return uno::Reference<XAccessibleRelationSet>();
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rtl::Reference<::utl::AccessibleRelationSetHelper> pRelationSet = new utl::AccessibleRelationSetHelper;
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//this mxshape is the captioned shape
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uno::Sequence<uno::Reference<css::accessibility::XAccessible>> aSequence { mpParent->GetAccessibleCaption(mxShape) };
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if(aSequence[0])
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{
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pRelationSet->AddRelation(
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AccessibleRelation(AccessibleRelationType_DESCRIBED_BY, aSequence));
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}
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return pRelationSet;
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}
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/** Return a copy of the state set.
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Possible states are:
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ENABLED
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SHOWING
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VISIBLE
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*/
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sal_Int64 SAL_CALL
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AccessibleShape::getAccessibleStateSet()
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{
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::osl::MutexGuard aGuard (m_aMutex);
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if (IsDisposed())
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{
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// Return a minimal state set that only contains the DEFUNC state.
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return AccessibleContextBase::getAccessibleStateSet ();
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}
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// Merge current FOCUSED state from edit engine.
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if (mpText)
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{
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if (mpText->HaveFocus())
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mnStateSet |= AccessibleStateType::FOCUSED;
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else
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mnStateSet &= ~AccessibleStateType::FOCUSED;
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}
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//Just when the document is not read-only,set states EDITABLE,RESIZABLE,MOVEABLE
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css::uno::Reference<XAccessible> xTempAcc = getAccessibleParent();
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if( xTempAcc.is() )
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{
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css::uno::Reference<XAccessibleContext>
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xTempAccContext = xTempAcc->getAccessibleContext();
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if( xTempAccContext.is() )
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{
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sal_Int64 nState = xTempAccContext->getAccessibleStateSet();
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if (nState & AccessibleStateType::EDITABLE)
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{
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mnStateSet |= AccessibleStateType::EDITABLE;
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mnStateSet |= AccessibleStateType::RESIZABLE;
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mnStateSet |= AccessibleStateType::MOVEABLE;
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}
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}
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}
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sal_Int64 nRetStateSet = mnStateSet;
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if (mpParent && mpParent->IsDocumentSelAll())
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{
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nRetStateSet |= AccessibleStateType::SELECTED;
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}
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return nRetStateSet;
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}
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// XAccessibleComponent
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/** The implementation below is at the moment straightforward. It iterates
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over all children (and thereby instances all children which have not
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been already instantiated) until a child covering the specified point is
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found.
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This leaves room for improvement. For instance, first iterate only over
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the already instantiated children and only if no match is found
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instantiate the remaining ones.
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*/
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uno::Reference<XAccessible > SAL_CALL
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AccessibleShape::getAccessibleAtPoint (
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const awt::Point& aPoint)
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{
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::osl::MutexGuard aGuard (m_aMutex);
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sal_Int64 nChildCount = getAccessibleChildCount ();
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for (sal_Int64 i = 0; i < nChildCount; ++i)
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{
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Reference<XAccessible> xChild (getAccessibleChild (i));
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if (xChild.is())
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{
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Reference<XAccessibleComponent> xChildComponent (
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xChild->getAccessibleContext(), uno::UNO_QUERY);
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if (xChildComponent.is())
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{
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awt::Rectangle aBBox (xChildComponent->getBounds());
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if ( (aPoint.X >= aBBox.X)
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&& (aPoint.Y >= aBBox.Y)
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&& (aPoint.X < aBBox.X+aBBox.Width)
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&& (aPoint.Y < aBBox.Y+aBBox.Height) )
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return xChild;
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}
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}
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}
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// Have not found a child under the given point. Returning empty
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// reference to indicate this.
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return uno::Reference<XAccessible>();
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}
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awt::Rectangle SAL_CALL AccessibleShape::getBounds()
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{
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SolarMutexGuard aSolarGuard;
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::osl::MutexGuard aGuard (m_aMutex);
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ThrowIfDisposed ();
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awt::Rectangle aBoundingBox;
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if ( mxShape.is() )
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{
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static constexpr OUString sBoundRectName = u"BoundRect"_ustr;
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static constexpr OUString sAnchorPositionName = u"AnchorPosition"_ustr;
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// Get the shape's bounding box in internal coordinates (in 100th of
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// mm). Use the property BoundRect. Only if that is not supported ask
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// the shape for its position and size directly.
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Reference<beans::XPropertySet> xSet (mxShape, uno::UNO_QUERY);
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Reference<beans::XPropertySetInfo> xSetInfo;
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bool bFoundBoundRect = false;
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if (xSet.is())
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{
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xSetInfo = xSet->getPropertySetInfo ();
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if (xSetInfo.is())
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{
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if (xSetInfo->hasPropertyByName (sBoundRectName))
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{
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try
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{
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uno::Any aValue = xSet->getPropertyValue (sBoundRectName);
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aValue >>= aBoundingBox;
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bFoundBoundRect = true;
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}
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catch (beans::UnknownPropertyException const&)
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{
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// Handled below (bFoundBoundRect stays false).
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}
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}
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else
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SAL_WARN("svx", "no property BoundRect");
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}
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}
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// Fallback when there is no BoundRect Property.
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if ( ! bFoundBoundRect )
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{
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awt::Point aPosition (mxShape->getPosition());
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awt::Size aSize (mxShape->getSize());
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aBoundingBox = awt::Rectangle (
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aPosition.X, aPosition.Y,
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aSize.Width, aSize.Height);
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|
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// While BoundRects have absolute positions, the position returned
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// by XPosition::getPosition is relative. Get the anchor position
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// (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 (
|
|
u"AccessibleShape has no valid view forwarder"_ustr,
|
|
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 (u"LineColor"_ustr);
|
|
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 (u"FillColor"_ustr);
|
|
aColor >>= nColor;
|
|
aColor = aSet->getPropertyValue (u"FillTransparence"_ustr);
|
|
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 u"AccessibleShape"_ustr;
|
|
}
|
|
|
|
|
|
uno::Sequence<OUString> SAL_CALL
|
|
AccessibleShape::getSupportedServiceNames()
|
|
{
|
|
ThrowIfDisposed ();
|
|
const css::uno::Sequence<OUString> vals { u"com.sun.star.drawing.AccessibleShape"_ustr };
|
|
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::disposing();
|
|
}
|
|
|
|
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, u"Title"_ustr);
|
|
if (!sString.isEmpty())
|
|
{
|
|
SetAccessibleName(sString, AccessibleContextBase::FromShape);
|
|
}
|
|
else
|
|
{
|
|
sString = GetOptionalProperty(xSet, u"Name"_ustr);
|
|
if (!sString.isEmpty())
|
|
SetAccessibleName(sString, AccessibleContextBase::FromShape);
|
|
}
|
|
|
|
// Get the accessible description.
|
|
sString = GetOptionalProperty(xSet, u"Description"_ustr);
|
|
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: */
|