1206 lines
37 KiB
C++
1206 lines
37 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_svx.hxx"
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#include <svx/AccessibleShape.hxx>
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#include "svx/DescriptionGenerator.hxx"
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#include <svx/AccessibleShapeInfo.hxx>
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#include <com/sun/star/view/XSelectionSupplier.hpp>
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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/beans/XPropertySet.hpp>
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#include <com/sun/star/container/XChild.hpp>
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#include <com/sun/star/drawing/XShapes.hpp>
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#include <com/sun/star/drawing/XShapeDescriptor.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 <editeng/outlobj.hxx>
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#include <rtl/ref.hxx>
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#include <editeng/unoedsrc.hxx>
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#include <svx/unoshtxt.hxx>
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#include <svx/svdobj.hxx>
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#include <svx/svdmodel.hxx>
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#include "svx/unoapi.hxx"
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#include <com/sun/star/uno/Exception.hpp>
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#include <svx/ShapeTypeHandler.hxx>
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#include <svx/SvxShapeTypes.hxx>
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#include "accessibility.hrc"
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#include "svx/svdstr.hrc"
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#include <svx/dialmgr.hxx>
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#include <vcl/svapp.hxx>
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#include <unotools/accessiblestatesethelper.hxx>
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#include <svx/svdview.hxx>
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#include <comphelper/servicehelper.hxx>
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#include "AccessibleEmptyEditSource.hxx"
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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 ::rtl::OUString;
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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::LIST_ITEM),
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mpChildrenManager(NULL),
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mxShape (rShapeInfo.mxShape),
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maShapeTreeInfo (rShapeTreeInfo),
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mnIndex (rShapeInfo.mnIndex),
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m_nIndexInParent(-1),
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mpText (NULL),
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mpParent (rShapeInfo.mpChildrenManager)
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{
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m_pShape = GetSdrObjectFromXShape(mxShape);
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UpdateNameAndDescription();
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}
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AccessibleShape::~AccessibleShape (void)
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{
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if (mpChildrenManager != NULL)
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delete mpChildrenManager;
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if (mpText != NULL)
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delete mpText;
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OSL_TRACE ("~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 (void)
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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 = new ChildrenManager (
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this, xShapes, maShapeTreeInfo, *this);
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if (mpChildrenManager != NULL)
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mpChildrenManager->Update();
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// Register at model as document::XEventListener.
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if (maShapeTreeInfo.GetModelBroadcaster().is())
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maShapeTreeInfo.GetModelBroadcaster()->addEventListener (
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static_cast<document::XEventListener*>(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 makeing 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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{
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SdrView* pView = maShapeTreeInfo.GetSdrView ();
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const Window* pWindow = maShapeTreeInfo.GetWindow ();
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if (pView != NULL && pWindow != NULL && mxShape.is())
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{
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// #107948# Determine whether shape text is empty
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SdrObject* pSdrObject = GetSdrObjectFromXShape(mxShape);
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if( pSdrObject )
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{
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SdrTextObj* pTextObj = PTR_CAST( SdrTextObj, pSdrObject );
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OutlinerParaObject* pOutlinerParaObject = NULL;
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if( pTextObj )
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pOutlinerParaObject = pTextObj->GetEditOutlinerParaObject(); // Get the OutlinerParaObject if text edit is active
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bool bOwnParaObj = pOutlinerParaObject != NULL;
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if( !pOutlinerParaObject && pSdrObject )
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pOutlinerParaObject = pSdrObject->GetOutlinerParaObject();
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// create AccessibleTextHelper to handle this shape's text
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if( !pOutlinerParaObject )
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{
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// empty text -> use proxy edit source to delay creation of EditEngine
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::std::auto_ptr<SvxEditSource> pEditSource( new AccessibleEmptyEditSource ( *pSdrObject, *pView, *pWindow) );
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mpText = new AccessibleTextHelper( pEditSource );
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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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::std::auto_ptr<SvxEditSource> pEditSource( new SvxTextEditSource ( *pSdrObject, 0, *pView, *pWindow) );
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mpText = new AccessibleTextHelper( pEditSource );
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}
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if( bOwnParaObj )
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delete pOutlinerParaObject;
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mpText->SetEventSource(this);
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}
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}
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}
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}
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void AccessibleShape::UpdateStates (void)
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{
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::utl::AccessibleStateSetHelper* pStateSet =
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static_cast< ::utl::AccessibleStateSetHelper*>(mxStateSet.get());
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if (pStateSet == NULL)
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return;
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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 (::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("FillStyle"))) >>= aFillStyle)
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&& aFillStyle == drawing::FillStyle_SOLID;
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}
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catch (::com::sun::star::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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pStateSet->AddState (AccessibleStateType::OPAQUE);
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else
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pStateSet->RemoveState (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) == sal_True;
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}
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if (bShapeIsSelected)
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pStateSet->AddState (AccessibleStateType::SELECTED);
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else
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pStateSet->RemoveState (AccessibleStateType::SELECTED);
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}
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bool AccessibleShape::operator== (const AccessibleShape& rShape)
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{
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return this==&rShape;
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}
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sal_Bool AccessibleShape::SetState (sal_Int16 aState)
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{
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sal_Bool bStateHasChanged = sal_False;
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if (aState == AccessibleStateType::FOCUSED && mpText != NULL)
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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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sal_Bool bIsFocused = mpText->HaveFocus ();
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mpText->SetFocus (sal_True);
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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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sal_Bool AccessibleShape::ResetState (sal_Int16 aState)
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{
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sal_Bool bStateHasChanged = sal_False;
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if (aState == AccessibleStateType::FOCUSED && mpText != NULL)
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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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sal_Bool bIsFocused = mpText->HaveFocus ();
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mpText->SetFocus (sal_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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sal_Bool AccessibleShape::GetState (sal_Int16 aState)
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{
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if (aState == AccessibleStateType::FOCUSED && mpText != NULL)
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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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//===== 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_Int32 SAL_CALL
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AccessibleShape::getAccessibleChildCount ()
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throw (::com::sun::star::uno::RuntimeException)
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{
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ThrowIfDisposed ();
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sal_Int32 nChildCount = 0;
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// Add the number of shapes that are children of this shape.
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if (mpChildrenManager != NULL)
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nChildCount += mpChildrenManager->GetChildCount ();
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// Add the number text paragraphs.
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if (mpText != NULL)
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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_Int32 nIndex)
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throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException)
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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 != NULL)
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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 != NULL)
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{
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sal_Int32 nI = nIndex;
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if (mpChildrenManager != NULL)
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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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::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("shape has no child with index "))
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+ rtl::OUString::valueOf(nIndex),
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static_cast<uno::XWeak*>(this));
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return xChild;
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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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uno::Reference<XAccessibleStateSet> SAL_CALL
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AccessibleShape::getAccessibleStateSet (void)
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throw (::com::sun::star::uno::RuntimeException)
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{
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::osl::MutexGuard aGuard (maMutex);
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Reference<XAccessibleStateSet> xStateSet;
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if (rBHelper.bDisposed || mpText == NULL)
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// Return a minimal state set that only contains the DEFUNC state.
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xStateSet = AccessibleContextBase::getAccessibleStateSet ();
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else
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{
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::utl::AccessibleStateSetHelper* pStateSet =
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static_cast< ::utl::AccessibleStateSetHelper*>(mxStateSet.get());
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if (pStateSet != NULL)
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{
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// Merge current FOCUSED state from edit engine.
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if (mpText != NULL)
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{
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if (mpText->HaveFocus())
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pStateSet->AddState (AccessibleStateType::FOCUSED);
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else
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pStateSet->RemoveState (AccessibleStateType::FOCUSED);
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}
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// Create a copy of the state set that may be modified by the
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// caller without affecting the current state set.
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xStateSet = Reference<XAccessibleStateSet>(
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new ::utl::AccessibleStateSetHelper (*pStateSet));
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}
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}
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return xStateSet;
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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 instatiated) until a child covering the specifed 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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throw (uno::RuntimeException)
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{
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::osl::MutexGuard aGuard (maMutex);
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sal_Int32 nChildCount = getAccessibleChildCount ();
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for (sal_Int32 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 (void)
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throw (::com::sun::star::uno::RuntimeException)
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{
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SolarMutexGuard aSolarGuard;
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::osl::MutexGuard aGuard (maMutex);
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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 const OUString sBoundRectName (
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RTL_CONSTASCII_USTRINGPARAM("BoundRect"));
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static const OUString sAnchorPositionName (
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RTL_CONSTASCII_USTRINGPARAM("AnchorPosition"));
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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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|
OSL_TRACE (" 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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|
|
// While BoundRects have absolute positions, the position returned
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|
// 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() == NULL)
|
|
throw uno::RuntimeException (::rtl::OUString (
|
|
RTL_CONSTASCII_USTRINGPARAM(
|
|
"AccessibleShape has no valid view forwarder")),
|
|
static_cast<uno::XWeak*>(this));
|
|
::Size aPixelSize = maShapeTreeInfo.GetViewForwarder()->LogicToPixel (
|
|
::Size (aBoundingBox.Width, aBoundingBox.Height));
|
|
::Point aPixelPosition = maShapeTreeInfo.GetViewForwarder()->LogicToPixel (
|
|
::Point (aBoundingBox.X, aBoundingBox.Y));
|
|
|
|
// Clip the shape's bounding box with the bounding box of its parent.
|
|
Reference<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).
|
|
::Rectangle aBBox (
|
|
x, y, x + aPixelSize.getWidth(), y + aPixelSize.getHeight());
|
|
awt::Size aParentSize (xParentComponent->getSize());
|
|
::Rectangle aParentBBox (0,0, aParentSize.Width, aParentSize.Height);
|
|
aBBox = aBBox.GetIntersection (aParentBBox);
|
|
aBoundingBox = awt::Rectangle (
|
|
aBBox.getX(),
|
|
aBBox.getY(),
|
|
aBBox.getWidth(),
|
|
aBBox.getHeight());
|
|
}
|
|
else
|
|
{
|
|
OSL_TRACE ("parent does not support component");
|
|
aBoundingBox = awt::Rectangle (
|
|
aPixelPosition.getX(), aPixelPosition.getY(),
|
|
aPixelSize.getWidth(), aPixelSize.getHeight());
|
|
}
|
|
}
|
|
|
|
return aBoundingBox;
|
|
}
|
|
|
|
|
|
|
|
|
|
awt::Point SAL_CALL AccessibleShape::getLocation (void)
|
|
throw (::com::sun::star::uno::RuntimeException)
|
|
{
|
|
ThrowIfDisposed ();
|
|
awt::Rectangle aBoundingBox (getBounds());
|
|
return awt::Point (aBoundingBox.X, aBoundingBox.Y);
|
|
}
|
|
|
|
|
|
|
|
|
|
awt::Point SAL_CALL AccessibleShape::getLocationOnScreen (void)
|
|
throw (::com::sun::star::uno::RuntimeException)
|
|
{
|
|
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
|
|
OSL_TRACE ("getLocation: parent does not support XAccessibleComponent");
|
|
return aLocation;
|
|
}
|
|
|
|
|
|
|
|
|
|
awt::Size SAL_CALL AccessibleShape::getSize (void)
|
|
throw (uno::RuntimeException)
|
|
{
|
|
ThrowIfDisposed ();
|
|
awt::Rectangle aBoundingBox (getBounds());
|
|
return awt::Size (aBoundingBox.Width, aBoundingBox.Height);
|
|
}
|
|
|
|
|
|
|
|
|
|
sal_Int32 SAL_CALL AccessibleShape::getForeground (void)
|
|
throw (::com::sun::star::uno::RuntimeException)
|
|
{
|
|
ThrowIfDisposed ();
|
|
sal_Int32 nColor (0x0ffffffL);
|
|
|
|
try
|
|
{
|
|
uno::Reference<beans::XPropertySet> aSet (mxShape, uno::UNO_QUERY);
|
|
if (aSet.is())
|
|
{
|
|
uno::Any aColor;
|
|
aColor = aSet->getPropertyValue (OUString(RTL_CONSTASCII_USTRINGPARAM("LineColor")) );
|
|
aColor >>= nColor;
|
|
}
|
|
}
|
|
catch (::com::sun::star::beans::UnknownPropertyException)
|
|
{
|
|
// Ignore exception and return default color.
|
|
}
|
|
return nColor;
|
|
}
|
|
|
|
|
|
|
|
|
|
sal_Int32 SAL_CALL AccessibleShape::getBackground (void)
|
|
throw (::com::sun::star::uno::RuntimeException)
|
|
{
|
|
ThrowIfDisposed ();
|
|
sal_Int32 nColor (0L);
|
|
|
|
try
|
|
{
|
|
uno::Reference<beans::XPropertySet> aSet (mxShape, uno::UNO_QUERY);
|
|
if (aSet.is())
|
|
{
|
|
uno::Any aColor;
|
|
aColor = aSet->getPropertyValue (OUString(RTL_CONSTASCII_USTRINGPARAM("FillColor")) );
|
|
aColor >>= nColor;
|
|
}
|
|
}
|
|
catch (::com::sun::star::beans::UnknownPropertyException)
|
|
{
|
|
// Ignore exception and return default color.
|
|
}
|
|
return nColor;
|
|
}
|
|
|
|
|
|
|
|
|
|
//===== XAccessibleEventBroadcaster =========================================
|
|
|
|
void SAL_CALL AccessibleShape::addEventListener (
|
|
const Reference<XAccessibleEventListener >& rxListener)
|
|
throw (uno::RuntimeException)
|
|
{
|
|
if (rBHelper.bDisposed || rBHelper.bInDispose)
|
|
{
|
|
uno::Reference<uno::XInterface> xThis (
|
|
(lang::XComponent *)this, uno::UNO_QUERY);
|
|
rxListener->disposing (lang::EventObject (xThis));
|
|
}
|
|
else
|
|
{
|
|
AccessibleContextBase::addEventListener (rxListener);
|
|
if (mpText != NULL)
|
|
mpText->AddEventListener (rxListener);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
void SAL_CALL AccessibleShape::removeEventListener (
|
|
const Reference<XAccessibleEventListener >& rxListener)
|
|
throw (uno::RuntimeException)
|
|
{
|
|
AccessibleContextBase::removeEventListener (rxListener);
|
|
if (mpText != NULL)
|
|
mpText->RemoveEventListener (rxListener);
|
|
}
|
|
|
|
|
|
|
|
|
|
//===== XInterface ==========================================================
|
|
|
|
com::sun::star::uno::Any SAL_CALL
|
|
AccessibleShape::queryInterface (const com::sun::star::uno::Type & rType)
|
|
throw (::com::sun::star::uno::RuntimeException)
|
|
{
|
|
::com::sun::star::uno::Any aReturn = AccessibleContextBase::queryInterface (rType);
|
|
if ( ! aReturn.hasValue())
|
|
aReturn = ::cppu::queryInterface (rType,
|
|
static_cast<XAccessibleComponent*>(this),
|
|
static_cast<XAccessibleExtendedComponent*>(this),
|
|
static_cast<lang::XEventListener*>(this),
|
|
static_cast<document::XEventListener*>(this),
|
|
static_cast<lang::XUnoTunnel*>(this)
|
|
);
|
|
return aReturn;
|
|
}
|
|
|
|
|
|
|
|
|
|
void SAL_CALL
|
|
AccessibleShape::acquire (void)
|
|
throw ()
|
|
{
|
|
AccessibleContextBase::acquire ();
|
|
}
|
|
|
|
|
|
|
|
|
|
void SAL_CALL
|
|
AccessibleShape::release (void)
|
|
throw ()
|
|
{
|
|
AccessibleContextBase::release ();
|
|
}
|
|
|
|
|
|
|
|
|
|
//===== XServiceInfo ========================================================
|
|
|
|
::rtl::OUString SAL_CALL
|
|
AccessibleShape::getImplementationName (void)
|
|
throw (::com::sun::star::uno::RuntimeException)
|
|
{
|
|
return ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("AccessibleShape"));
|
|
}
|
|
|
|
|
|
|
|
|
|
uno::Sequence<OUString> SAL_CALL
|
|
AccessibleShape::getSupportedServiceNames (void)
|
|
throw (::com::sun::star::uno::RuntimeException)
|
|
{
|
|
ThrowIfDisposed ();
|
|
// Get list of supported service names from base class...
|
|
uno::Sequence<OUString> aServiceNames =
|
|
AccessibleContextBase::getSupportedServiceNames();
|
|
sal_Int32 nCount (aServiceNames.getLength());
|
|
|
|
// ...and add additional names.
|
|
aServiceNames.realloc (nCount + 1);
|
|
static const OUString sAdditionalServiceName (RTL_CONSTASCII_USTRINGPARAM(
|
|
"com.sun.star.drawing.AccessibleShape"));
|
|
aServiceNames[nCount] = sAdditionalServiceName;
|
|
|
|
return aServiceNames;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//===== XTypeProvider ===================================================
|
|
|
|
uno::Sequence<uno::Type> SAL_CALL
|
|
AccessibleShape::getTypes (void)
|
|
throw (uno::RuntimeException)
|
|
{
|
|
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, ...
|
|
const uno::Type aLangEventListenerType =
|
|
::getCppuType((const uno::Reference<lang::XEventListener>*)0);
|
|
const uno::Type aDocumentEventListenerType =
|
|
::getCppuType((const uno::Reference<document::XEventListener>*)0);
|
|
const uno::Type aUnoTunnelType =
|
|
::getCppuType((const uno::Reference<lang::XUnoTunnel>*)0);
|
|
|
|
// ... and merge them all into one list.
|
|
sal_Int32 nTypeCount (aTypeList.getLength()),
|
|
nComponentTypeCount (aComponentTypeList.getLength());
|
|
int i;
|
|
|
|
aTypeList.realloc (nTypeCount + nComponentTypeCount + 3);
|
|
|
|
for (i=0; i<nComponentTypeCount; i++)
|
|
aTypeList[nTypeCount + i] = aComponentTypeList[i];
|
|
|
|
aTypeList[nTypeCount + i++ ] = aLangEventListenerType;
|
|
aTypeList[nTypeCount + i++ ] = aDocumentEventListenerType;
|
|
aTypeList[nTypeCount + i ] = aUnoTunnelType;
|
|
|
|
return aTypeList;
|
|
}
|
|
|
|
|
|
|
|
|
|
//===== lang::XEventListener ================================================
|
|
|
|
/** Disposing calls are accepted only from the model: Just reset the
|
|
reference to the model in the shape tree info. Otherwise this object
|
|
remains functional.
|
|
*/
|
|
void SAL_CALL
|
|
AccessibleShape::disposing (const lang::EventObject& aEvent)
|
|
throw (uno::RuntimeException)
|
|
{
|
|
SolarMutexGuard aSolarGuard;
|
|
::osl::MutexGuard aGuard (maMutex);
|
|
|
|
try
|
|
{
|
|
if (aEvent.Source == maShapeTreeInfo.GetModelBroadcaster())
|
|
{
|
|
// Remove reference to model broadcaster to allow it to pass
|
|
// away.
|
|
maShapeTreeInfo.SetModelBroadcaster(NULL);
|
|
}
|
|
|
|
}
|
|
catch (uno::RuntimeException const&)
|
|
{
|
|
OSL_TRACE ("caught exception while disposing");
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
//===== document::XEventListener ============================================
|
|
|
|
void SAL_CALL
|
|
AccessibleShape::notifyEvent (const document::EventObject& rEventObject)
|
|
throw (uno::RuntimeException)
|
|
{
|
|
static const OUString sShapeModified (
|
|
RTL_CONSTASCII_USTRINGPARAM("ShapeModified"));
|
|
|
|
// First check if the event is for us.
|
|
uno::Reference<drawing::XShape> xShape (
|
|
rEventObject.Source, uno::UNO_QUERY);
|
|
if ( xShape.get() == mxShape.get() )
|
|
{
|
|
if (rEventObject.EventName.equals (sShapeModified))
|
|
{
|
|
// Some property of a shape has been modified. Send an event
|
|
// that indicates a change of the visible data to all listeners.
|
|
CommitChange (
|
|
AccessibleEventId::VISIBLE_DATA_CHANGED,
|
|
uno::Any(),
|
|
uno::Any());
|
|
|
|
// Name and Description may have changed. Update the local
|
|
// values accordingly.
|
|
UpdateNameAndDescription();
|
|
}
|
|
}
|
|
}
|
|
|
|
//===== lang::XUnoTunnel ================================================
|
|
|
|
namespace
|
|
{
|
|
class theAccessibleShapeImplementationId : public rtl::Static< UnoTunnelIdInit, theAccessibleShapeImplementationId > {};
|
|
}
|
|
|
|
const uno::Sequence< sal_Int8 >&
|
|
AccessibleShape::getUnoTunnelImplementationId()
|
|
throw()
|
|
{
|
|
return theAccessibleShapeImplementationId::get().getSeq();
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
AccessibleShape*
|
|
AccessibleShape::getImplementation( const uno::Reference< uno::XInterface >& rxIFace )
|
|
throw()
|
|
{
|
|
uno::Reference< lang::XUnoTunnel > xTunnel( rxIFace, uno::UNO_QUERY );
|
|
AccessibleShape* pReturn = NULL;
|
|
|
|
if( xTunnel.is() )
|
|
pReturn = reinterpret_cast< AccessibleShape* >( xTunnel->getSomething( getUnoTunnelImplementationId() ) );
|
|
|
|
return( pReturn );
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
sal_Int64 SAL_CALL
|
|
AccessibleShape::getSomething( const uno::Sequence< sal_Int8 >& rIdentifier )
|
|
throw(uno::RuntimeException)
|
|
{
|
|
sal_Int64 nReturn( 0 );
|
|
|
|
if( ( rIdentifier.getLength() == 16 ) && ( 0 == rtl_compareMemory( getUnoTunnelImplementationId().getConstArray(), rIdentifier.getConstArray(), 16 ) ) )
|
|
nReturn = reinterpret_cast< sal_Int64 >( this );
|
|
|
|
return( nReturn );
|
|
}
|
|
|
|
//===== IAccessibleViewForwarderListener ====================================
|
|
|
|
void AccessibleShape::ViewForwarderChanged (ChangeType aChangeType,
|
|
const IAccessibleViewForwarder* pViewForwarder)
|
|
{
|
|
// Inform all listeners that the graphical representation (i.e. size
|
|
// and/or position) of the shape has changed.
|
|
CommitChange (AccessibleEventId::VISIBLE_DATA_CHANGED,
|
|
uno::Any(),
|
|
uno::Any());
|
|
|
|
// Tell children manager of the modified view forwarder.
|
|
if (mpChildrenManager != NULL)
|
|
mpChildrenManager->ViewForwarderChanged (aChangeType, pViewForwarder);
|
|
|
|
// 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.
|
|
::rtl::OUString
|
|
AccessibleShape::CreateAccessibleBaseName (void)
|
|
throw (::com::sun::star::uno::RuntimeException)
|
|
{
|
|
return ShapeTypeHandler::CreateAccessibleBaseName( mxShape );
|
|
}
|
|
|
|
|
|
::rtl::OUString
|
|
AccessibleShape::CreateAccessibleName (void)
|
|
throw (::com::sun::star::uno::RuntimeException)
|
|
{
|
|
OUString sName (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.
|
|
long nIndex = mnIndex;
|
|
if (nIndex == -1)
|
|
{
|
|
try
|
|
{
|
|
uno::Reference<beans::XPropertySet> xSet (mxShape, uno::UNO_QUERY);
|
|
if (xSet.is())
|
|
{
|
|
uno::Any aZOrder (xSet->getPropertyValue (::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ZOrder")) ));
|
|
aZOrder >>= nIndex;
|
|
|
|
// Add one to be not zero based.
|
|
nIndex += 1;
|
|
}
|
|
}
|
|
catch (beans::UnknownPropertyException)
|
|
{
|
|
// We throw our own exception that is a bit more informative.
|
|
throw uno::RuntimeException (::rtl::OUString (
|
|
RTL_CONSTASCII_USTRINGPARAM("AccessibleShape has invalid index and no ZOrder property")),
|
|
static_cast<uno::XWeak*>(this));
|
|
}
|
|
|
|
}
|
|
|
|
// Put a space between name and index because of Gnopernicus othewise
|
|
// spells the name.
|
|
sName += OUString (RTL_CONSTASCII_USTRINGPARAM(" ")) + OUString::valueOf (nIndex);
|
|
|
|
return sName;
|
|
}
|
|
|
|
|
|
|
|
|
|
::rtl::OUString
|
|
AccessibleShape::CreateAccessibleDescription (void)
|
|
throw (::com::sun::star::uno::RuntimeException)
|
|
{
|
|
DescriptionGenerator aDG (mxShape);
|
|
aDG.Initialize (CreateAccessibleBaseName());
|
|
switch (ShapeTypeHandler::Instance().GetTypeId (mxShape))
|
|
{
|
|
case DRAWING_3D_CUBE:
|
|
case DRAWING_3D_EXTRUDE:
|
|
case DRAWING_3D_LATHE:
|
|
case DRAWING_3D_SPHERE:
|
|
aDG.Add3DProperties ();
|
|
break;
|
|
|
|
case DRAWING_3D_SCENE:
|
|
case DRAWING_GROUP:
|
|
case DRAWING_PAGE:
|
|
// No further information is appended.
|
|
break;
|
|
|
|
case DRAWING_CAPTION:
|
|
case DRAWING_CLOSED_BEZIER:
|
|
case DRAWING_CLOSED_FREEHAND:
|
|
case DRAWING_ELLIPSE:
|
|
case DRAWING_POLY_POLYGON:
|
|
case DRAWING_POLY_POLYGON_PATH:
|
|
case DRAWING_RECTANGLE:
|
|
aDG.AddLineProperties ();
|
|
aDG.AddFillProperties ();
|
|
break;
|
|
|
|
case DRAWING_CONNECTOR:
|
|
case DRAWING_LINE:
|
|
case DRAWING_MEASURE:
|
|
case DRAWING_OPEN_BEZIER:
|
|
case DRAWING_OPEN_FREEHAND:
|
|
case DRAWING_POLY_LINE:
|
|
case DRAWING_POLY_LINE_PATH:
|
|
aDG.AddLineProperties ();
|
|
break;
|
|
|
|
case DRAWING_CONTROL:
|
|
aDG.AddProperty (OUString(RTL_CONSTASCII_USTRINGPARAM("ControlBackground")),
|
|
DescriptionGenerator::COLOR,
|
|
OUString());
|
|
aDG.AddProperty (OUString(RTL_CONSTASCII_USTRINGPARAM("ControlBorder")),
|
|
DescriptionGenerator::INTEGER,
|
|
OUString());
|
|
break;
|
|
|
|
case DRAWING_TEXT:
|
|
aDG.AddTextProperties ();
|
|
break;
|
|
|
|
default:
|
|
aDG.Initialize (::rtl::OUString (
|
|
RTL_CONSTASCII_USTRINGPARAM("Unknown accessible shape")));
|
|
uno::Reference<drawing::XShapeDescriptor> xDescriptor (mxShape, uno::UNO_QUERY);
|
|
if (xDescriptor.is())
|
|
{
|
|
aDG.AppendString (::rtl::OUString (RTL_CONSTASCII_USTRINGPARAM("service name=")));
|
|
aDG.AppendString (xDescriptor->getShapeType());
|
|
}
|
|
}
|
|
|
|
return aDG();
|
|
}
|
|
|
|
|
|
|
|
|
|
uno::Reference< drawing::XShape > AccessibleShape::GetXShape()
|
|
{
|
|
return( mxShape );
|
|
}
|
|
|
|
|
|
|
|
// protected
|
|
void AccessibleShape::disposing (void)
|
|
{
|
|
SolarMutexGuard aSolarGuard;
|
|
::osl::MutexGuard aGuard (maMutex);
|
|
|
|
// Make sure to send an event that this object looses the focus in the
|
|
// case that it has the focus.
|
|
::utl::AccessibleStateSetHelper* pStateSet =
|
|
static_cast< ::utl::AccessibleStateSetHelper*>(mxStateSet.get());
|
|
if (pStateSet != NULL)
|
|
pStateSet->RemoveState (AccessibleStateType::FOCUSED);
|
|
|
|
// Unregister from broadcasters.
|
|
Reference<lang::XComponent> xComponent (mxShape, uno::UNO_QUERY);
|
|
if (xComponent.is())
|
|
xComponent->removeEventListener (this);
|
|
|
|
// Unregister from model.
|
|
if (maShapeTreeInfo.GetModelBroadcaster().is())
|
|
maShapeTreeInfo.GetModelBroadcaster()->removeEventListener (
|
|
static_cast<document::XEventListener*>(this));
|
|
|
|
// Release the child containers.
|
|
if (mpChildrenManager != NULL)
|
|
{
|
|
delete mpChildrenManager;
|
|
mpChildrenManager = NULL;
|
|
}
|
|
if (mpText != NULL)
|
|
{
|
|
mpText->Dispose();
|
|
delete mpText;
|
|
mpText = NULL;
|
|
}
|
|
|
|
// Cleanup. Remove references to objects to allow them to be
|
|
// destroyed.
|
|
mxShape = NULL;
|
|
maShapeTreeInfo = AccessibleShapeTreeInfo();
|
|
|
|
// Call base classes.
|
|
AccessibleContextBase::dispose ();
|
|
}
|
|
|
|
sal_Int32 SAL_CALL
|
|
AccessibleShape::getAccessibleIndexInParent (void)
|
|
throw (::com::sun::star::uno::RuntimeException)
|
|
{
|
|
ThrowIfDisposed ();
|
|
// Use a simple but slow solution for now. Optimize later.
|
|
|
|
sal_Int32 nIndex = m_nIndexInParent;
|
|
if ( -1 == nIndex )
|
|
nIndex = AccessibleContextBase::getAccessibleIndexInParent();
|
|
return nIndex;
|
|
}
|
|
|
|
|
|
|
|
|
|
void AccessibleShape::UpdateNameAndDescription (void)
|
|
{
|
|
// Ignore missing title, name, or description. There are fallbacks for
|
|
// them.
|
|
try
|
|
{
|
|
Reference<beans::XPropertySet> xSet (mxShape, uno::UNO_QUERY_THROW);
|
|
OUString sString;
|
|
|
|
// Get the accessible name.
|
|
sString = GetOptionalProperty(xSet, OUString(RTL_CONSTASCII_USTRINGPARAM("Title")));
|
|
if (sString.getLength() > 0)
|
|
{
|
|
SetAccessibleName(sString, AccessibleContextBase::FromShape);
|
|
}
|
|
else
|
|
{
|
|
sString = GetOptionalProperty(xSet, OUString(RTL_CONSTASCII_USTRINGPARAM("Name")));
|
|
if (sString.getLength() > 0)
|
|
SetAccessibleName(sString, AccessibleContextBase::FromShape);
|
|
}
|
|
|
|
// Get the accessible description.
|
|
sString = GetOptionalProperty(xSet, OUString(RTL_CONSTASCII_USTRINGPARAM("Description")));
|
|
if (sString.getLength() > 0)
|
|
SetAccessibleDescription(sString, AccessibleContextBase::FromShape);
|
|
}
|
|
catch (uno::RuntimeException&)
|
|
{
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
} // end of namespace accessibility
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|