70626249cd
The a11y API has never really been picked up by tools vendors, let's not tie ourselves up here for no good reason. This unpublishes all css::accessibility, and dependend API. With that, we can change the rather unfortunately-named add/ removeEventListener to be add/removeAccessibleEventListener, thus not conflicting with the XComponent methods of the same name. Change-Id: I595598c3a8e46415f80b2780f333333174865fe4
569 lines
14 KiB
C++
569 lines
14 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 "AccessibleSlideSorterObject.hxx"
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#include "SlideSorter.hxx"
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#include "controller/SlideSorterController.hxx"
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#include "controller/SlsPageSelector.hxx"
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#include "controller/SlsFocusManager.hxx"
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#include "model/SlideSorterModel.hxx"
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#include "model/SlsPageDescriptor.hxx"
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#include "view/SlideSorterView.hxx"
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#include "view/SlsLayouter.hxx"
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#include "view/SlsPageObjectLayouter.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 <comphelper/accessibleeventnotifier.hxx>
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#include <unotools/accessiblestatesethelper.hxx>
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#include "sdpage.hxx"
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#include "sdresid.hxx"
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#include <vcl/svapp.hxx>
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#include "glob.hrc"
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using ::rtl::OUString;
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::accessibility;
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namespace accessibility {
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AccessibleSlideSorterObject::AccessibleSlideSorterObject(
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const Reference<XAccessible>& rxParent,
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::sd::slidesorter::SlideSorter& rSlideSorter,
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sal_uInt16 nPageNumber)
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: AccessibleSlideSorterObjectBase(::sd::MutexOwner::maMutex),
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mxParent(rxParent),
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mnPageNumber(nPageNumber),
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mrSlideSorter(rSlideSorter),
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mnClientId(0)
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{
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}
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AccessibleSlideSorterObject::~AccessibleSlideSorterObject (void)
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{
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if ( ! IsDisposed())
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dispose();
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}
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sal_uInt16 AccessibleSlideSorterObject::GetPageNumber (void) const
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{
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return mnPageNumber;
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}
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void AccessibleSlideSorterObject::FireAccessibleEvent (
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short nEventId,
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const uno::Any& rOldValue,
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const uno::Any& rNewValue)
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{
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if (mnClientId != 0)
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{
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AccessibleEventObject aEventObject;
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aEventObject.Source = Reference<XWeak>(this);
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aEventObject.EventId = nEventId;
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aEventObject.NewValue = rNewValue;
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aEventObject.OldValue = rOldValue;
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comphelper::AccessibleEventNotifier::addEvent(mnClientId, aEventObject);
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}
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}
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void SAL_CALL AccessibleSlideSorterObject::disposing (void)
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{
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const SolarMutexGuard aSolarGuard;
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// Send a disposing to all listeners.
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if (mnClientId != 0)
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{
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comphelper::AccessibleEventNotifier::revokeClientNotifyDisposing(mnClientId, *this);
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mnClientId = 0;
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}
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}
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//===== XAccessible ===========================================================
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Reference<XAccessibleContext> SAL_CALL
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AccessibleSlideSorterObject::getAccessibleContext (void)
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throw (uno::RuntimeException)
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{
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ThrowIfDisposed();
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return this;
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}
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//===== XAccessibleContext ====================================================
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sal_Int32 SAL_CALL AccessibleSlideSorterObject::getAccessibleChildCount (void)
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throw (uno::RuntimeException)
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{
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ThrowIfDisposed();
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return 0;
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}
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Reference<XAccessible> SAL_CALL AccessibleSlideSorterObject::getAccessibleChild (sal_Int32 )
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throw (lang::IndexOutOfBoundsException, RuntimeException)
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{
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ThrowIfDisposed();
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throw lang::IndexOutOfBoundsException();
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}
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Reference<XAccessible> SAL_CALL AccessibleSlideSorterObject::getAccessibleParent (void)
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throw (uno::RuntimeException)
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{
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ThrowIfDisposed();
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return mxParent;
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}
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sal_Int32 SAL_CALL AccessibleSlideSorterObject::getAccessibleIndexInParent()
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throw (uno::RuntimeException)
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{
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ThrowIfDisposed();
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const SolarMutexGuard aSolarGuard;
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sal_Int32 nIndexInParent(-1);
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if (mxParent.is())
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{
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Reference<XAccessibleContext> xParentContext (mxParent->getAccessibleContext());
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if (xParentContext.is())
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{
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sal_Int32 nChildCount (xParentContext->getAccessibleChildCount());
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for (sal_Int32 i=0; i<nChildCount; ++i)
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if (xParentContext->getAccessibleChild(i).get()
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== static_cast<XAccessible*>(this))
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{
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nIndexInParent = i;
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break;
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}
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}
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}
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return nIndexInParent;
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}
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sal_Int16 SAL_CALL AccessibleSlideSorterObject::getAccessibleRole (void)
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throw (uno::RuntimeException)
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{
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ThrowIfDisposed();
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static sal_Int16 nRole = AccessibleRole::LIST_ITEM;
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return nRole;
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}
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::rtl::OUString SAL_CALL AccessibleSlideSorterObject::getAccessibleDescription (void)
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throw (uno::RuntimeException)
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{
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ThrowIfDisposed();
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return String(SdResId(STR_PAGE));
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}
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::rtl::OUString SAL_CALL AccessibleSlideSorterObject::getAccessibleName (void)
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throw (uno::RuntimeException)
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{
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ThrowIfDisposed();
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const SolarMutexGuard aSolarGuard;
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SdPage* pPage = GetPage();
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if (pPage != NULL)
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return pPage->GetName();
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else
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return String();
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}
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Reference<XAccessibleRelationSet> SAL_CALL
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AccessibleSlideSorterObject::getAccessibleRelationSet (void)
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throw (uno::RuntimeException)
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{
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ThrowIfDisposed();
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return Reference<XAccessibleRelationSet>();
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}
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Reference<XAccessibleStateSet> SAL_CALL
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AccessibleSlideSorterObject::getAccessibleStateSet (void)
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throw (uno::RuntimeException)
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{
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ThrowIfDisposed();
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const SolarMutexGuard aSolarGuard;
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::utl::AccessibleStateSetHelper* pStateSet = new ::utl::AccessibleStateSetHelper();
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if (mxParent.is())
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{
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// Unconditional states.
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pStateSet->AddState(AccessibleStateType::SELECTABLE);
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pStateSet->AddState(AccessibleStateType::FOCUSABLE);
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pStateSet->AddState(AccessibleStateType::ENABLED);
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pStateSet->AddState(AccessibleStateType::VISIBLE);
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pStateSet->AddState(AccessibleStateType::SHOWING);
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pStateSet->AddState(AccessibleStateType::ACTIVE);
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pStateSet->AddState(AccessibleStateType::SENSITIVE);
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// Conditional states.
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if (mrSlideSorter.GetController().GetPageSelector().IsPageSelected(mnPageNumber))
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pStateSet->AddState(AccessibleStateType::SELECTED);
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if (mrSlideSorter.GetController().GetFocusManager().GetFocusedPageIndex() == mnPageNumber)
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if (mrSlideSorter.GetController().GetFocusManager().IsFocusShowing())
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pStateSet->AddState(AccessibleStateType::FOCUSED);
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}
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return pStateSet;
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}
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lang::Locale SAL_CALL AccessibleSlideSorterObject::getLocale (void)
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throw (IllegalAccessibleComponentStateException,
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RuntimeException)
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{
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ThrowIfDisposed();
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// Delegate request to parent.
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if (mxParent.is())
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{
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Reference<XAccessibleContext> xParentContext (mxParent->getAccessibleContext());
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if (xParentContext.is())
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return xParentContext->getLocale ();
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}
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// No locale and no parent. Therefore throw exception to indicate this
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// cluelessness.
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throw IllegalAccessibleComponentStateException();
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}
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//===== XAccessibleEventBroadcaster ===========================================
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void SAL_CALL AccessibleSlideSorterObject::addAccessibleEventListener(
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const Reference<XAccessibleEventListener>& rxListener)
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throw (RuntimeException)
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{
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if (rxListener.is())
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{
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const osl::MutexGuard aGuard(maMutex);
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if (IsDisposed())
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{
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uno::Reference<uno::XInterface> x ((lang::XComponent *)this, uno::UNO_QUERY);
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rxListener->disposing (lang::EventObject (x));
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}
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else
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{
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if (mnClientId == 0)
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mnClientId = comphelper::AccessibleEventNotifier::registerClient();
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comphelper::AccessibleEventNotifier::addEventListener(mnClientId, rxListener);
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}
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}
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}
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void SAL_CALL AccessibleSlideSorterObject::removeAccessibleEventListener(
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const Reference<XAccessibleEventListener>& rxListener)
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throw (uno::RuntimeException)
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{
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ThrowIfDisposed();
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if (rxListener.is())
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{
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const osl::MutexGuard aGuard(maMutex);
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sal_Int32 nListenerCount = comphelper::AccessibleEventNotifier::removeEventListener( mnClientId, rxListener );
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if ( !nListenerCount )
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{
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// no listeners anymore
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// -> revoke ourself. This may lead to the notifier thread dying (if we were the last client),
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// and at least to us not firing any events anymore, in case somebody calls
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// NotifyAccessibleEvent, again
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comphelper::AccessibleEventNotifier::revokeClient( mnClientId );
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mnClientId = 0;
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}
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}
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}
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//===== XAccessibleComponent ==================================================
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sal_Bool SAL_CALL AccessibleSlideSorterObject::containsPoint(const awt::Point& aPoint)
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throw (uno::RuntimeException)
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{
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ThrowIfDisposed();
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const awt::Size aSize (getSize());
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return (aPoint.X >= 0)
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&& (aPoint.X < aSize.Width)
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&& (aPoint.Y >= 0)
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&& (aPoint.Y < aSize.Height);
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}
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Reference<XAccessible> SAL_CALL
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AccessibleSlideSorterObject::getAccessibleAtPoint(const awt::Point& )
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throw (uno::RuntimeException)
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{
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return NULL;
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}
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awt::Rectangle SAL_CALL AccessibleSlideSorterObject::getBounds (void)
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throw (RuntimeException)
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{
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ThrowIfDisposed ();
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const SolarMutexGuard aSolarGuard;
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Rectangle aBBox (
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mrSlideSorter.GetView().GetLayouter().GetPageObjectLayouter()->GetBoundingBox(
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mrSlideSorter.GetModel().GetPageDescriptor(mnPageNumber),
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::sd::slidesorter::view::PageObjectLayouter::PageObject,
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::sd::slidesorter::view::PageObjectLayouter::WindowCoordinateSystem));
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if (mxParent.is())
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{
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Reference<XAccessibleComponent> xParentComponent(mxParent->getAccessibleContext(), UNO_QUERY);
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if (xParentComponent.is())
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{
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awt::Rectangle aParentBBox (xParentComponent->getBounds());
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aBBox.Intersection(Rectangle(
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aParentBBox.X,
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aParentBBox.Y,
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aParentBBox.Width,
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aParentBBox.Height));
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}
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}
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return awt::Rectangle(
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aBBox.Left(),
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aBBox.Top(),
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aBBox.GetWidth(),
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aBBox.GetHeight());
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}
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awt::Point SAL_CALL AccessibleSlideSorterObject::getLocation ()
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throw (RuntimeException)
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{
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ThrowIfDisposed ();
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const awt::Rectangle aBBox (getBounds());
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return awt::Point(aBBox.X, aBBox.Y);
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}
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awt::Point SAL_CALL AccessibleSlideSorterObject::getLocationOnScreen (void)
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throw (RuntimeException)
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{
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ThrowIfDisposed ();
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const SolarMutexGuard aSolarGuard;
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awt::Point aLocation (getLocation());
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if (mxParent.is())
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{
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Reference<XAccessibleComponent> xParentComponent(mxParent->getAccessibleContext(),UNO_QUERY);
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if (xParentComponent.is())
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{
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const awt::Point aParentLocationOnScreen(xParentComponent->getLocationOnScreen());
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aLocation.X += aParentLocationOnScreen.X;
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aLocation.Y += aParentLocationOnScreen.Y;
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}
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}
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return aLocation;
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}
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awt::Size SAL_CALL AccessibleSlideSorterObject::getSize (void)
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throw (RuntimeException)
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{
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ThrowIfDisposed ();
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const awt::Rectangle aBBox (getBounds());
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return awt::Size(aBBox.Width,aBBox.Height);
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}
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void SAL_CALL AccessibleSlideSorterObject::grabFocus (void)
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throw (RuntimeException)
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{
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// nothing to do
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}
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sal_Int32 SAL_CALL AccessibleSlideSorterObject::getForeground (void)
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throw (::com::sun::star::uno::RuntimeException)
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{
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ThrowIfDisposed ();
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svtools::ColorConfig aColorConfig;
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sal_uInt32 nColor = aColorConfig.GetColorValue( svtools::FONTCOLOR ).nColor;
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return static_cast<sal_Int32>(nColor);
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}
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sal_Int32 SAL_CALL AccessibleSlideSorterObject::getBackground (void)
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throw (::com::sun::star::uno::RuntimeException)
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{
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ThrowIfDisposed ();
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sal_uInt32 nColor = Application::GetSettings().GetStyleSettings().GetWindowColor().GetColor();
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return static_cast<sal_Int32>(nColor);
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}
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//===== XServiceInfo ========================================================
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::rtl::OUString SAL_CALL
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AccessibleSlideSorterObject::getImplementationName (void)
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throw (::com::sun::star::uno::RuntimeException)
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{
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return OUString("AccessibleSlideSorterObject");
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}
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sal_Bool SAL_CALL
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AccessibleSlideSorterObject::supportsService (const OUString& sServiceName)
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throw (::com::sun::star::uno::RuntimeException)
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{
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ThrowIfDisposed ();
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// Iterate over all supported service names and return true if on of them
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// matches the given name.
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uno::Sequence< ::rtl::OUString> aSupportedServices (
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getSupportedServiceNames ());
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for (int i=0; i<aSupportedServices.getLength(); i++)
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if (sServiceName == aSupportedServices[i])
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return sal_True;
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return sal_False;
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}
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uno::Sequence< ::rtl::OUString> SAL_CALL
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AccessibleSlideSorterObject::getSupportedServiceNames (void)
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throw (::com::sun::star::uno::RuntimeException)
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{
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ThrowIfDisposed ();
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static const OUString sServiceNames[2] = {
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OUString("com.sun.star.accessibility.Accessible"),
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OUString("com.sun.star.accessibility.AccessibleContext")
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};
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return uno::Sequence<OUString> (sServiceNames, 2);
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}
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void AccessibleSlideSorterObject::ThrowIfDisposed (void)
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throw (lang::DisposedException)
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{
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if (rBHelper.bDisposed || rBHelper.bInDispose)
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{
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OSL_TRACE ("Calling disposed object. Throwing exception:");
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throw lang::DisposedException ("object has been already disposed",
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static_cast<uno::XWeak*>(this));
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}
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}
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sal_Bool AccessibleSlideSorterObject::IsDisposed (void)
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{
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return (rBHelper.bDisposed || rBHelper.bInDispose);
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}
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SdPage* AccessibleSlideSorterObject::GetPage (void) const
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{
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::sd::slidesorter::model::SharedPageDescriptor pDescriptor(
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mrSlideSorter.GetModel().GetPageDescriptor(mnPageNumber));
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if (pDescriptor.get() != NULL)
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return pDescriptor->GetPage();
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else
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return NULL;
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}
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} // end of namespace ::accessibility
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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