963 lines
30 KiB
C++
963 lines
30 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 <AccessibleSlideSorterView.hxx>
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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 <controller/SlsSelectionManager.hxx>
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#include <view/SlideSorterView.hxx>
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#include <model/SlideSorterModel.hxx>
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#include <model/SlsPageDescriptor.hxx>
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#include <ViewShell.hxx>
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#include <ViewShellHint.hxx>
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#include <sdpage.hxx>
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#include <drawdoc.hxx>
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#include <sdresid.hxx>
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#include <strings.hrc>
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#include <com/sun/star/accessibility/AccessibleRole.hpp>
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#include <com/sun/star/accessibility/AccessibleEventId.hpp>
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#include <com/sun/star/accessibility/AccessibleStateType.hpp>
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#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
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#include <comphelper/accessibleeventnotifier.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <o3tl/safeint.hxx>
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#include <rtl/ref.hxx>
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#include <sal/log.hxx>
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#include <i18nlangtag/languagetag.hxx>
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#include <vcl/settings.hxx>
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#include <vcl/svapp.hxx>
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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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/** Inner implementation class of the AccessibleSlideSorterView.
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Note that some event broadcasting is done asynchronously because
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otherwise it could lead to deadlocks on (at least) some Solaris
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machines. Probably (but unverified) this can happen on all GTK based
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systems. The asynchronous broadcasting is just a workaround for a
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poorly understood problem.
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*/
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class AccessibleSlideSorterView::Implementation
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: public SfxListener
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{
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public:
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Implementation (
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AccessibleSlideSorterView& rAccessibleSlideSorter,
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::sd::slidesorter::SlideSorter& rSlideSorter,
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vcl::Window* pWindow);
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virtual ~Implementation() override;
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void RequestUpdateChildren();
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void Clear();
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sal_Int32 GetVisibleChildCount() const;
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AccessibleSlideSorterObject* GetAccessibleChild (sal_Int32 nIndex);
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AccessibleSlideSorterObject* GetVisibleChild (sal_Int32 nIndex);
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void ConnectListeners();
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void ReleaseListeners();
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void Notify (SfxBroadcaster& rBroadcaster, const SfxHint& rHint) override;
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DECL_LINK(WindowEventListener, VclWindowEvent&, void);
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DECL_LINK(SelectionChangeListener, LinkParamNone*, void);
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DECL_LINK(BroadcastSelectionChange, void*, void);
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DECL_LINK(FocusChangeListener, LinkParamNone*, void);
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DECL_LINK(VisibilityChangeListener, LinkParamNone*, void);
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DECL_LINK(UpdateChildrenCallback, void*, void);
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void Activated();
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private:
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AccessibleSlideSorterView& mrAccessibleSlideSorter;
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::sd::slidesorter::SlideSorter& mrSlideSorter;
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typedef ::std::vector<rtl::Reference<AccessibleSlideSorterObject> > PageObjectList;
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PageObjectList maPageObjects;
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sal_Int32 mnFirstVisibleChild;
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sal_Int32 mnLastVisibleChild;
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bool mbListeningToDocument;
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VclPtr<vcl::Window> mpWindow;
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sal_Int32 mnFocusedIndex;
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bool mbModelChangeLocked;
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ImplSVEvent * mnUpdateChildrenUserEventId;
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ImplSVEvent * mnSelectionChangeUserEventId;
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void UpdateChildren();
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};
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//===== AccessibleSlideSorterView =============================================
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AccessibleSlideSorterView::AccessibleSlideSorterView(
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::sd::slidesorter::SlideSorter& rSlideSorter,
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vcl::Window* pContentWindow)
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: AccessibleSlideSorterViewBase(m_aMutex),
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mrSlideSorter(rSlideSorter),
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mnClientId(0),
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mpContentWindow(pContentWindow)
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{
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}
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void AccessibleSlideSorterView::Init()
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{
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mpImpl.reset(new Implementation(*this,mrSlideSorter,mpContentWindow));
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}
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AccessibleSlideSorterView::~AccessibleSlideSorterView()
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{
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Destroyed ();
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}
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void AccessibleSlideSorterView::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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aEventObject.IndexHint = -1;
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comphelper::AccessibleEventNotifier::addEvent (mnClientId, aEventObject);
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}
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}
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void SAL_CALL AccessibleSlideSorterView::disposing()
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{
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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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mpImpl.reset();
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}
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AccessibleSlideSorterObject* AccessibleSlideSorterView::GetAccessibleChildImplementation (
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sal_Int32 nIndex)
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{
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AccessibleSlideSorterObject* pResult = nullptr;
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::osl::MutexGuard aGuard (m_aMutex);
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if (nIndex>=0 && nIndex<mpImpl->GetVisibleChildCount())
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pResult = mpImpl->GetVisibleChild(nIndex);
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return pResult;
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}
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void AccessibleSlideSorterView::Destroyed()
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{
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::osl::MutexGuard aGuard (m_aMutex);
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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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AccessibleSlideSorterView::getAccessibleContext()
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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_Int64 SAL_CALL AccessibleSlideSorterView::getAccessibleChildCount()
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{
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ThrowIfDisposed();
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::osl::MutexGuard aGuard (m_aMutex);
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return mpImpl->GetVisibleChildCount();
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}
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Reference<XAccessible > SAL_CALL
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AccessibleSlideSorterView::getAccessibleChild (sal_Int64 nIndex)
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{
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ThrowIfDisposed();
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::osl::MutexGuard aGuard (m_aMutex);
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if (nIndex<0 || nIndex>=mpImpl->GetVisibleChildCount())
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throw lang::IndexOutOfBoundsException();
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return mpImpl->GetVisibleChild(nIndex);
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}
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Reference<XAccessible > SAL_CALL AccessibleSlideSorterView::getAccessibleParent()
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{
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ThrowIfDisposed();
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const SolarMutexGuard aSolarGuard;
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Reference<XAccessible> xParent;
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if (mpContentWindow != nullptr)
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{
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vcl::Window* pParent = mpContentWindow->GetAccessibleParentWindow();
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if (pParent != nullptr)
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xParent = pParent->GetAccessible();
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}
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return xParent;
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}
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sal_Int64 SAL_CALL AccessibleSlideSorterView::getAccessibleIndexInParent()
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{
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OSL_ASSERT(getAccessibleParent().is());
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ThrowIfDisposed();
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const SolarMutexGuard aSolarGuard;
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sal_Int64 nIndexInParent(-1);
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Reference<XAccessibleContext> xParentContext (getAccessibleParent()->getAccessibleContext());
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if (xParentContext.is())
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{
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sal_Int64 nChildCount (xParentContext->getAccessibleChildCount());
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for (sal_Int64 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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return nIndexInParent;
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}
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sal_Int16 SAL_CALL AccessibleSlideSorterView::getAccessibleRole()
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{
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ThrowIfDisposed();
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return AccessibleRole::DOCUMENT;
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}
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OUString SAL_CALL AccessibleSlideSorterView::getAccessibleDescription()
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{
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ThrowIfDisposed();
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SolarMutexGuard aGuard;
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return SdResId(SID_SD_A11Y_I_SLIDEVIEW_D);
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}
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OUString SAL_CALL AccessibleSlideSorterView::getAccessibleName()
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{
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ThrowIfDisposed();
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SolarMutexGuard aGuard;
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return SdResId(SID_SD_A11Y_I_SLIDEVIEW_N);
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}
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Reference<XAccessibleRelationSet> SAL_CALL
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AccessibleSlideSorterView::getAccessibleRelationSet()
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{
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return Reference<XAccessibleRelationSet>();
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}
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sal_Int64 SAL_CALL AccessibleSlideSorterView::getAccessibleStateSet()
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{
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ThrowIfDisposed();
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const SolarMutexGuard aSolarGuard;
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sal_Int64 nStateSet = 0;
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nStateSet |= AccessibleStateType::FOCUSABLE;
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nStateSet |= AccessibleStateType::SELECTABLE;
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nStateSet |= AccessibleStateType::ENABLED;
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nStateSet |= AccessibleStateType::ACTIVE;
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nStateSet |= AccessibleStateType::MULTI_SELECTABLE;
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nStateSet |= AccessibleStateType::OPAQUE;
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if (mpContentWindow!=nullptr)
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{
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if (mpContentWindow->IsVisible())
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nStateSet |= AccessibleStateType::VISIBLE;
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if (mpContentWindow->IsReallyVisible())
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nStateSet |= AccessibleStateType::SHOWING;
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}
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return nStateSet;
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}
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lang::Locale SAL_CALL AccessibleSlideSorterView::getLocale()
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{
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ThrowIfDisposed ();
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Reference<XAccessibleContext> xParentContext;
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Reference<XAccessible> xParent (getAccessibleParent());
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if (xParent.is())
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xParentContext = xParent->getAccessibleContext();
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if (xParentContext.is())
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return xParentContext->getLocale();
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else
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// Strange, no parent! Anyway, return the default locale.
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return Application::GetSettings().GetLanguageTag().getLocale();
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}
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void SAL_CALL AccessibleSlideSorterView::addAccessibleEventListener(
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const Reference<XAccessibleEventListener >& rxListener)
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{
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if (!rxListener.is())
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return;
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const osl::MutexGuard aGuard(m_aMutex);
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if (rBHelper.bDisposed || rBHelper.bInDispose)
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{
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uno::Reference<uno::XInterface> x (static_cast<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)
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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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void SAL_CALL AccessibleSlideSorterView::removeAccessibleEventListener(
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const Reference<XAccessibleEventListener >& rxListener)
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{
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ThrowIfDisposed();
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if (!rxListener.is())
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return;
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const osl::MutexGuard aGuard(m_aMutex);
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if (mnClientId == 0)
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return;
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sal_Int32 nListenerCount = comphelper::AccessibleEventNotifier::removeEventListener(
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mnClientId, rxListener );
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if ( !nListenerCount )
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{
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// no listeners anymore -> revoke ourself. This may lead to
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// 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
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// somebody calls 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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//===== XAccessibleComponent ==================================================
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sal_Bool SAL_CALL AccessibleSlideSorterView::containsPoint (const awt::Point& aPoint)
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{
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ThrowIfDisposed();
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const awt::Rectangle aBBox (getBounds());
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return (aPoint.X >= 0)
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&& (aPoint.X < aBBox.Width)
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&& (aPoint.Y >= 0)
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&& (aPoint.Y < aBBox.Height);
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}
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Reference<XAccessible> SAL_CALL
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AccessibleSlideSorterView::getAccessibleAtPoint (const awt::Point& aPoint)
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{
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ThrowIfDisposed();
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Reference<XAccessible> xAccessible;
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const SolarMutexGuard aSolarGuard;
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const Point aTestPoint (aPoint.X, aPoint.Y);
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::sd::slidesorter::model::SharedPageDescriptor pHitDescriptor (
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mrSlideSorter.GetController().GetPageAt(aTestPoint));
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if (pHitDescriptor)
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xAccessible = mpImpl->GetAccessibleChild(
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(pHitDescriptor->GetPage()->GetPageNum()-1)/2);
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return xAccessible;
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}
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awt::Rectangle SAL_CALL AccessibleSlideSorterView::getBounds()
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{
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ThrowIfDisposed();
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const SolarMutexGuard aSolarGuard;
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awt::Rectangle aBBox;
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if (mpContentWindow != nullptr)
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{
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const Point aPosition (mpContentWindow->GetPosPixel());
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const Size aSize (mpContentWindow->GetOutputSizePixel());
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aBBox.X = aPosition.X();
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aBBox.Y = aPosition.Y();
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aBBox.Width = aSize.Width();
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aBBox.Height = aSize.Height();
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}
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return aBBox;
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}
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awt::Point SAL_CALL AccessibleSlideSorterView::getLocation()
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{
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ThrowIfDisposed();
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awt::Point aLocation;
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if (mpContentWindow != nullptr)
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{
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const Point aPosition (mpContentWindow->GetPosPixel());
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aLocation.X = aPosition.X();
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aLocation.Y = aPosition.Y();
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}
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return aLocation;
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}
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/** Calculate the location on screen from the parent's location on screen
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and our own relative location.
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*/
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awt::Point SAL_CALL AccessibleSlideSorterView::getLocationOnScreen()
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{
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ThrowIfDisposed();
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const SolarMutexGuard aSolarGuard;
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awt::Point aParentLocationOnScreen;
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Reference<XAccessible> xParent (getAccessibleParent());
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if (xParent.is())
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{
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Reference<XAccessibleComponent> xParentComponent (
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xParent->getAccessibleContext(), uno::UNO_QUERY);
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if (xParentComponent.is())
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aParentLocationOnScreen = xParentComponent->getLocationOnScreen();
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}
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awt::Point aLocationOnScreen (getLocation());
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aLocationOnScreen.X += aParentLocationOnScreen.X;
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aLocationOnScreen.Y += aParentLocationOnScreen.Y;
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return aLocationOnScreen;
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}
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awt::Size SAL_CALL AccessibleSlideSorterView::getSize()
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{
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ThrowIfDisposed();
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awt::Size aSize;
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if (mpContentWindow != nullptr)
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{
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const Size aOutputSize (mpContentWindow->GetOutputSizePixel());
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aSize.Width = aOutputSize.Width();
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aSize.Height = aOutputSize.Height();
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}
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return aSize;
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}
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void SAL_CALL AccessibleSlideSorterView::grabFocus()
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{
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ThrowIfDisposed();
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const SolarMutexGuard aSolarGuard;
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if (mpContentWindow)
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mpContentWindow->GrabFocus();
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}
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sal_Int32 SAL_CALL AccessibleSlideSorterView::getForeground()
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{
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ThrowIfDisposed();
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svtools::ColorConfig aColorConfig;
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Color 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 AccessibleSlideSorterView::getBackground()
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{
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ThrowIfDisposed();
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Color nColor = Application::GetSettings().GetStyleSettings().GetWindowColor();
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return sal_Int32(nColor);
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}
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//===== XAccessibleSelection ==================================================
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void SAL_CALL AccessibleSlideSorterView::selectAccessibleChild (sal_Int64 nChildIndex)
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{
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ThrowIfDisposed();
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const SolarMutexGuard aSolarGuard;
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if (nChildIndex < 0 || nChildIndex >= getAccessibleChildCount())
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throw lang::IndexOutOfBoundsException();
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AccessibleSlideSorterObject* pChild = mpImpl->GetAccessibleChild(nChildIndex);
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if (pChild == nullptr)
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throw lang::IndexOutOfBoundsException();
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mrSlideSorter.GetController().GetPageSelector().SelectPage(pChild->GetPageNumber());
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}
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sal_Bool SAL_CALL AccessibleSlideSorterView::isAccessibleChildSelected (sal_Int64 nChildIndex)
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{
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ThrowIfDisposed();
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bool bIsSelected = false;
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const SolarMutexGuard aSolarGuard;
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if (nChildIndex < 0 || nChildIndex >= getAccessibleChildCount())
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throw lang::IndexOutOfBoundsException();
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AccessibleSlideSorterObject* pChild = mpImpl->GetAccessibleChild(nChildIndex);
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if (pChild == nullptr)
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throw lang::IndexOutOfBoundsException();
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bIsSelected = mrSlideSorter.GetController().GetPageSelector().IsPageSelected(
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pChild->GetPageNumber());
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return bIsSelected;
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}
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void SAL_CALL AccessibleSlideSorterView::clearAccessibleSelection()
|
|
{
|
|
ThrowIfDisposed();
|
|
const SolarMutexGuard aSolarGuard;
|
|
|
|
mrSlideSorter.GetController().GetPageSelector().DeselectAllPages();
|
|
}
|
|
|
|
void SAL_CALL AccessibleSlideSorterView::selectAllAccessibleChildren()
|
|
{
|
|
ThrowIfDisposed();
|
|
const SolarMutexGuard aSolarGuard;
|
|
|
|
mrSlideSorter.GetController().GetPageSelector().SelectAllPages();
|
|
}
|
|
|
|
sal_Int64 SAL_CALL AccessibleSlideSorterView::getSelectedAccessibleChildCount()
|
|
{
|
|
ThrowIfDisposed ();
|
|
const SolarMutexGuard aSolarGuard;
|
|
return mrSlideSorter.GetController().GetPageSelector().GetSelectedPageCount();
|
|
}
|
|
|
|
Reference<XAccessible > SAL_CALL
|
|
AccessibleSlideSorterView::getSelectedAccessibleChild (sal_Int64 nSelectedChildIndex )
|
|
{
|
|
ThrowIfDisposed ();
|
|
const SolarMutexGuard aSolarGuard;
|
|
|
|
if (nSelectedChildIndex < 0 || nSelectedChildIndex >= getSelectedAccessibleChildCount())
|
|
throw lang::IndexOutOfBoundsException();
|
|
|
|
Reference<XAccessible> xChild;
|
|
|
|
::sd::slidesorter::controller::PageSelector& rSelector (
|
|
mrSlideSorter.GetController().GetPageSelector());
|
|
sal_Int32 nPageCount(rSelector.GetPageCount());
|
|
sal_Int32 nSelectedCount = 0;
|
|
for (sal_Int32 i=0; i<nPageCount; i++)
|
|
if (rSelector.IsPageSelected(i))
|
|
{
|
|
if (nSelectedCount == nSelectedChildIndex)
|
|
{
|
|
xChild = mpImpl->GetAccessibleChild(i);
|
|
break;
|
|
}
|
|
++nSelectedCount;
|
|
}
|
|
|
|
if ( ! xChild.is() )
|
|
throw lang::IndexOutOfBoundsException();
|
|
|
|
return xChild;
|
|
}
|
|
|
|
void SAL_CALL AccessibleSlideSorterView::deselectAccessibleChild (sal_Int64 nChildIndex)
|
|
{
|
|
ThrowIfDisposed();
|
|
const SolarMutexGuard aSolarGuard;
|
|
|
|
if (nChildIndex < 0 || nChildIndex >= getAccessibleChildCount())
|
|
throw lang::IndexOutOfBoundsException();
|
|
|
|
AccessibleSlideSorterObject* pChild = mpImpl->GetAccessibleChild(nChildIndex);
|
|
if (pChild == nullptr)
|
|
throw lang::IndexOutOfBoundsException();
|
|
|
|
mrSlideSorter.GetController().GetPageSelector().DeselectPage(pChild->GetPageNumber());
|
|
}
|
|
|
|
// XServiceInfo
|
|
OUString SAL_CALL
|
|
AccessibleSlideSorterView::getImplementationName()
|
|
{
|
|
return u"AccessibleSlideSorterView"_ustr;
|
|
}
|
|
|
|
sal_Bool SAL_CALL AccessibleSlideSorterView::supportsService (const OUString& sServiceName)
|
|
{
|
|
return cppu::supportsService(this, sServiceName);
|
|
}
|
|
|
|
uno::Sequence< OUString> SAL_CALL
|
|
AccessibleSlideSorterView::getSupportedServiceNames()
|
|
{
|
|
ThrowIfDisposed ();
|
|
|
|
return uno::Sequence<OUString> {
|
|
u"com.sun.star.accessibility.Accessible"_ustr,
|
|
u"com.sun.star.accessibility.AccessibleContext"_ustr,
|
|
u"com.sun.star.drawing.AccessibleSlideSorterView"_ustr
|
|
};
|
|
}
|
|
|
|
void AccessibleSlideSorterView::ThrowIfDisposed()
|
|
{
|
|
if (rBHelper.bDisposed || rBHelper.bInDispose)
|
|
{
|
|
SAL_WARN("sd", "Calling disposed object. Throwing exception:");
|
|
throw lang::DisposedException (u"object has been already disposed"_ustr,
|
|
static_cast<uno::XWeak*>(this));
|
|
}
|
|
}
|
|
|
|
//===== AccessibleSlideSorterView::Implementation =============================
|
|
|
|
AccessibleSlideSorterView::Implementation::Implementation (
|
|
AccessibleSlideSorterView& rAccessibleSlideSorter,
|
|
::sd::slidesorter::SlideSorter& rSlideSorter,
|
|
vcl::Window* pWindow)
|
|
: mrAccessibleSlideSorter(rAccessibleSlideSorter),
|
|
mrSlideSorter(rSlideSorter),
|
|
mnFirstVisibleChild(0),
|
|
mnLastVisibleChild(-1),
|
|
mbListeningToDocument(false),
|
|
mpWindow(pWindow),
|
|
mnFocusedIndex(-1),
|
|
mbModelChangeLocked(false),
|
|
mnUpdateChildrenUserEventId(nullptr),
|
|
mnSelectionChangeUserEventId(nullptr)
|
|
{
|
|
ConnectListeners();
|
|
UpdateChildren();
|
|
}
|
|
|
|
AccessibleSlideSorterView::Implementation::~Implementation()
|
|
{
|
|
if (mnUpdateChildrenUserEventId != nullptr)
|
|
Application::RemoveUserEvent(mnUpdateChildrenUserEventId);
|
|
if (mnSelectionChangeUserEventId != nullptr)
|
|
Application::RemoveUserEvent(mnSelectionChangeUserEventId);
|
|
ReleaseListeners();
|
|
Clear();
|
|
}
|
|
|
|
void AccessibleSlideSorterView::Implementation::RequestUpdateChildren()
|
|
{
|
|
if (mnUpdateChildrenUserEventId == nullptr)
|
|
mnUpdateChildrenUserEventId = Application::PostUserEvent(
|
|
LINK(this, AccessibleSlideSorterView::Implementation,
|
|
UpdateChildrenCallback));
|
|
}
|
|
|
|
void AccessibleSlideSorterView::Implementation::UpdateChildren()
|
|
{
|
|
//By default, all children should be accessible. So here workaround is to make all children visible.
|
|
// MT: This was in UpdateVisibility, which has some similarity, and hg merge automatically has put it here. Correct?!
|
|
// In the IA2 CWS, also setting mnFirst/LastVisibleChild was commented out!
|
|
mnLastVisibleChild = maPageObjects.size();
|
|
|
|
if (mbModelChangeLocked)
|
|
{
|
|
// Do nothing right now. When the flag is reset, this method is
|
|
// called again.
|
|
return;
|
|
}
|
|
|
|
const Range aRange (mrSlideSorter.GetView().GetVisiblePageRange());
|
|
mnFirstVisibleChild = aRange.Min();
|
|
mnLastVisibleChild = aRange.Max();
|
|
|
|
// Release all children.
|
|
Clear();
|
|
|
|
// Create new children for the modified visible range.
|
|
maPageObjects.resize(mrSlideSorter.GetModel().GetPageCount());
|
|
|
|
// No Visible children
|
|
if (mnFirstVisibleChild == -1 && mnLastVisibleChild == -1)
|
|
return;
|
|
|
|
for (sal_Int32 nIndex(mnFirstVisibleChild); nIndex<=mnLastVisibleChild; ++nIndex)
|
|
GetAccessibleChild(nIndex);
|
|
}
|
|
|
|
void AccessibleSlideSorterView::Implementation::Clear()
|
|
{
|
|
for (auto& rxPageObject : maPageObjects)
|
|
if (rxPageObject != nullptr)
|
|
{
|
|
mrAccessibleSlideSorter.FireAccessibleEvent(
|
|
AccessibleEventId::CHILD,
|
|
Any(Reference<XAccessible>(rxPageObject)),
|
|
Any());
|
|
|
|
Reference<XComponent> xComponent (Reference<XWeak>(rxPageObject), UNO_QUERY);
|
|
if (xComponent.is())
|
|
xComponent->dispose();
|
|
rxPageObject = nullptr;
|
|
}
|
|
maPageObjects.clear();
|
|
}
|
|
|
|
sal_Int32 AccessibleSlideSorterView::Implementation::GetVisibleChildCount() const
|
|
{
|
|
if (mnFirstVisibleChild<=mnLastVisibleChild && mnFirstVisibleChild>=0)
|
|
return mnLastVisibleChild - mnFirstVisibleChild + 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
AccessibleSlideSorterObject* AccessibleSlideSorterView::Implementation::GetVisibleChild (
|
|
sal_Int32 nIndex)
|
|
{
|
|
assert(nIndex>=0 && nIndex<GetVisibleChildCount());
|
|
|
|
return GetAccessibleChild(nIndex+mnFirstVisibleChild);
|
|
}
|
|
|
|
AccessibleSlideSorterObject* AccessibleSlideSorterView::Implementation::GetAccessibleChild (
|
|
sal_Int32 nIndex)
|
|
{
|
|
AccessibleSlideSorterObject* pChild = nullptr;
|
|
|
|
if (nIndex>=0 && o3tl::make_unsigned(nIndex)<maPageObjects.size())
|
|
{
|
|
if (maPageObjects[nIndex] == nullptr)
|
|
{
|
|
::sd::slidesorter::model::SharedPageDescriptor pDescriptor(
|
|
mrSlideSorter.GetModel().GetPageDescriptor(nIndex));
|
|
if (pDescriptor)
|
|
{
|
|
maPageObjects[nIndex] = new AccessibleSlideSorterObject(
|
|
&mrAccessibleSlideSorter,
|
|
mrSlideSorter,
|
|
(pDescriptor->GetPage()->GetPageNum()-1)/2);
|
|
|
|
mrAccessibleSlideSorter.FireAccessibleEvent(
|
|
AccessibleEventId::CHILD,
|
|
Any(),
|
|
Any(Reference<XAccessible>(maPageObjects[nIndex])));
|
|
}
|
|
|
|
}
|
|
|
|
pChild = maPageObjects[nIndex].get();
|
|
}
|
|
else
|
|
{
|
|
OSL_ASSERT(nIndex>=0 && o3tl::make_unsigned(nIndex)<maPageObjects.size());
|
|
}
|
|
|
|
return pChild;
|
|
}
|
|
|
|
void AccessibleSlideSorterView::Implementation::ConnectListeners()
|
|
{
|
|
StartListening (*mrSlideSorter.GetModel().GetDocument());
|
|
if (mrSlideSorter.GetViewShell() != nullptr)
|
|
StartListening (*mrSlideSorter.GetViewShell());
|
|
mbListeningToDocument = true;
|
|
|
|
if (mpWindow != nullptr)
|
|
mpWindow->AddEventListener(
|
|
LINK(this,AccessibleSlideSorterView::Implementation,WindowEventListener));
|
|
|
|
mrSlideSorter.GetController().GetSelectionManager()->AddSelectionChangeListener(
|
|
LINK(this,AccessibleSlideSorterView::Implementation,SelectionChangeListener));
|
|
mrSlideSorter.GetController().GetFocusManager().AddFocusChangeListener(
|
|
LINK(this,AccessibleSlideSorterView::Implementation,FocusChangeListener));
|
|
mrSlideSorter.GetView().AddVisibilityChangeListener(
|
|
LINK(this,AccessibleSlideSorterView::Implementation,VisibilityChangeListener));
|
|
}
|
|
|
|
void AccessibleSlideSorterView::Implementation::ReleaseListeners()
|
|
{
|
|
mrSlideSorter.GetController().GetFocusManager().RemoveFocusChangeListener(
|
|
LINK(this,AccessibleSlideSorterView::Implementation,FocusChangeListener));
|
|
mrSlideSorter.GetController().GetSelectionManager()->RemoveSelectionChangeListener(
|
|
LINK(this,AccessibleSlideSorterView::Implementation,SelectionChangeListener));
|
|
mrSlideSorter.GetView().RemoveVisibilityChangeListener(
|
|
LINK(this,AccessibleSlideSorterView::Implementation,VisibilityChangeListener));
|
|
|
|
if (mpWindow != nullptr)
|
|
mpWindow->RemoveEventListener(
|
|
LINK(this,AccessibleSlideSorterView::Implementation,WindowEventListener));
|
|
|
|
if (mbListeningToDocument)
|
|
{
|
|
if (mrSlideSorter.GetViewShell() != nullptr && !IsListening(*mrSlideSorter.GetViewShell()))
|
|
{ // ??? is it even possible that ConnectListeners is called with no
|
|
// view shell and this one with a view shell?
|
|
StartListening(*mrSlideSorter.GetViewShell());
|
|
}
|
|
EndListening (*mrSlideSorter.GetModel().GetDocument());
|
|
mbListeningToDocument = false;
|
|
}
|
|
}
|
|
|
|
void AccessibleSlideSorterView::Implementation::Notify (
|
|
SfxBroadcaster&,
|
|
const SfxHint& rHint)
|
|
{
|
|
if (rHint.GetId() == SfxHintId::ThisIsAnSdrHint)
|
|
{
|
|
const SdrHint* pSdrHint = static_cast<const SdrHint*>(&rHint);
|
|
switch (pSdrHint->GetKind())
|
|
{
|
|
case SdrHintKind::PageOrderChange:
|
|
RequestUpdateChildren();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (rHint.GetId() == SfxHintId::SdViewShell)
|
|
{
|
|
auto pViewShellHint = static_cast<const sd::ViewShellHint*>(&rHint);
|
|
switch (pViewShellHint->GetHintId())
|
|
{
|
|
case sd::ViewShellHint::HINT_COMPLEX_MODEL_CHANGE_START:
|
|
mbModelChangeLocked = true;
|
|
break;
|
|
|
|
case sd::ViewShellHint::HINT_COMPLEX_MODEL_CHANGE_END:
|
|
mbModelChangeLocked = false;
|
|
RequestUpdateChildren();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void AccessibleSlideSorterView::SwitchViewActivated()
|
|
{
|
|
// Firstly, set focus to view
|
|
FireAccessibleEvent(AccessibleEventId::STATE_CHANGED,
|
|
Any(),
|
|
Any(AccessibleStateType::FOCUSED));
|
|
|
|
mpImpl->Activated();
|
|
}
|
|
|
|
void AccessibleSlideSorterView::Implementation::Activated()
|
|
{
|
|
mrSlideSorter.GetController().GetFocusManager().ShowFocus();
|
|
|
|
}
|
|
|
|
IMPL_LINK(AccessibleSlideSorterView::Implementation, WindowEventListener, VclWindowEvent&, rEvent, void)
|
|
{
|
|
switch (rEvent.GetId())
|
|
{
|
|
case VclEventId::WindowMove:
|
|
case VclEventId::WindowResize:
|
|
RequestUpdateChildren();
|
|
break;
|
|
|
|
case VclEventId::WindowGetFocus:
|
|
case VclEventId::WindowLoseFocus:
|
|
mrAccessibleSlideSorter.FireAccessibleEvent(
|
|
AccessibleEventId::SELECTION_CHANGED,
|
|
Any(),
|
|
Any());
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
IMPL_LINK_NOARG(AccessibleSlideSorterView::Implementation, SelectionChangeListener, LinkParamNone*, void)
|
|
{
|
|
if (mnSelectionChangeUserEventId == nullptr)
|
|
mnSelectionChangeUserEventId = Application::PostUserEvent(
|
|
LINK(this, AccessibleSlideSorterView::Implementation, BroadcastSelectionChange));
|
|
}
|
|
|
|
IMPL_LINK_NOARG(AccessibleSlideSorterView::Implementation, BroadcastSelectionChange, void*, void)
|
|
{
|
|
mnSelectionChangeUserEventId = nullptr;
|
|
mrAccessibleSlideSorter.FireAccessibleEvent(
|
|
AccessibleEventId::SELECTION_CHANGED,
|
|
Any(),
|
|
Any());
|
|
}
|
|
|
|
IMPL_LINK_NOARG(AccessibleSlideSorterView::Implementation, FocusChangeListener, LinkParamNone*, void)
|
|
{
|
|
sal_Int32 nNewFocusedIndex (
|
|
mrSlideSorter.GetController().GetFocusManager().GetFocusedPageIndex());
|
|
|
|
bool bHasFocus = mrSlideSorter.GetController().GetFocusManager().IsFocusShowing();
|
|
if (!bHasFocus)
|
|
nNewFocusedIndex = -1;
|
|
|
|
// add a checker whether the focus event is sent out. Only after sent, the mnFocusedIndex should be updated.
|
|
bool bSentFocus = false;
|
|
if (nNewFocusedIndex == mnFocusedIndex)
|
|
return;
|
|
|
|
if (mnFocusedIndex >= 0)
|
|
{
|
|
AccessibleSlideSorterObject* pObject = GetAccessibleChild(mnFocusedIndex);
|
|
if (pObject != nullptr)
|
|
{
|
|
pObject->FireAccessibleEvent(
|
|
AccessibleEventId::STATE_CHANGED,
|
|
Any(AccessibleStateType::FOCUSED),
|
|
Any());
|
|
bSentFocus = true;
|
|
}
|
|
}
|
|
if (nNewFocusedIndex >= 0)
|
|
{
|
|
AccessibleSlideSorterObject* pObject = GetAccessibleChild(nNewFocusedIndex);
|
|
if (pObject != nullptr)
|
|
{
|
|
pObject->FireAccessibleEvent(
|
|
AccessibleEventId::STATE_CHANGED,
|
|
Any(),
|
|
Any(AccessibleStateType::FOCUSED));
|
|
bSentFocus = true;
|
|
}
|
|
}
|
|
if (bSentFocus)
|
|
mnFocusedIndex = nNewFocusedIndex;
|
|
}
|
|
|
|
IMPL_LINK_NOARG(AccessibleSlideSorterView::Implementation, UpdateChildrenCallback, void*, void)
|
|
{
|
|
mnUpdateChildrenUserEventId = nullptr;
|
|
UpdateChildren();
|
|
}
|
|
|
|
IMPL_LINK_NOARG(AccessibleSlideSorterView::Implementation, VisibilityChangeListener, LinkParamNone*, void)
|
|
{
|
|
UpdateChildren();
|
|
}
|
|
|
|
} // end of namespace ::accessibility
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|