285 lines
11 KiB
C++
285 lines
11 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 <config_features.h>
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#include "svtaccessiblefactory.hxx"
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#include <boost/noncopyable.hpp>
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#include <osl/module.h>
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namespace svt
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{
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::awt;
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using namespace ::com::sun::star::accessibility;
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namespace
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{
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#ifndef DISABLE_DYNLOADING
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static oslModule s_hAccessibleImplementationModule = NULL;
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#endif
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#if HAVE_FEATURE_DESKTOP
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static GetSvtAccessibilityComponentFactory s_pAccessibleFactoryFunc = NULL;
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#endif
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static ::rtl::Reference< IAccessibleFactory > s_pFactory;
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//= AccessibleDummyFactory
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class AccessibleDummyFactory:
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public IAccessibleFactory, private boost::noncopyable
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{
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public:
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AccessibleDummyFactory();
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protected:
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virtual ~AccessibleDummyFactory();
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public:
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// IAccessibleFactory
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virtual IAccessibleTabListBox*
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createAccessibleTabListBox(
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const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*rxParent*/,
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SvHeaderTabListBox& /*rBox*/
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) const SAL_OVERRIDE
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{
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return NULL;
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}
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virtual IAccessibleBrowseBox*
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createAccessibleBrowseBox(
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const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*_rxParent*/,
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IAccessibleTableProvider& /*_rBrowseBox*/
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) const SAL_OVERRIDE
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{
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return NULL;
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}
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virtual table::IAccessibleTableControl*
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createAccessibleTableControl(
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const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*_rxParent*/,
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table::IAccessibleTable& /*_rTable*/
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) const SAL_OVERRIDE
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{
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return NULL;
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}
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virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
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createAccessibleIconChoiceCtrl(
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SvtIconChoiceCtrl& /*_rIconCtrl*/,
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const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*_xParent*/
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) const SAL_OVERRIDE
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{
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return NULL;
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}
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virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
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createAccessibleTabBar(
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TabBar& /*_rTabBar*/
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) const SAL_OVERRIDE
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{
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return NULL;
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}
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virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >
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createAccessibleTextWindowContext(
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VCLXWindow* /*pVclXWindow*/, TextEngine& /*rEngine*/, TextView& /*rView*/
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) const SAL_OVERRIDE
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{
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return NULL;
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}
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virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
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createAccessibleTreeListBox(
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SvTreeListBox& /*_rListBox*/,
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const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*_xParent*/
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) const SAL_OVERRIDE
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{
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return NULL;
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}
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virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
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createAccessibleBrowseBoxHeaderBar(
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const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*rxParent*/,
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IAccessibleTableProvider& /*_rOwningTable*/,
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AccessibleBrowseBoxObjType /*_eObjType*/
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) const SAL_OVERRIDE
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{
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return NULL;
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}
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virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
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createAccessibleBrowseBoxTableCell(
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const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*_rxParent*/,
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IAccessibleTableProvider& /*_rBrowseBox*/,
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const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindow >& /*_xFocusWindow*/,
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sal_Int32 /*_nRowId*/,
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sal_uInt16 /*_nColId*/,
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sal_Int32 /*_nOffset*/
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) const SAL_OVERRIDE
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{
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return NULL;
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}
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virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
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createAccessibleBrowseBoxHeaderCell(
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sal_Int32 /*_nColumnRowId*/,
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const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*rxParent*/,
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IAccessibleTableProvider& /*_rBrowseBox*/,
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const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindow >& /*_xFocusWindow*/,
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AccessibleBrowseBoxObjType /*_eObjType*/
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) const SAL_OVERRIDE
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{
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return NULL;
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}
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virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
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createAccessibleCheckBoxCell(
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const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*_rxParent*/,
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IAccessibleTableProvider& /*_rBrowseBox*/,
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const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindow >& /*_xFocusWindow*/,
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sal_Int32 /*_nRowPos*/,
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sal_uInt16 /*_nColPos*/,
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const TriState& /*_eState*/,
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bool /*_bIsTriState*/
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) const SAL_OVERRIDE
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{
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return NULL;
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}
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virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
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createEditBrowseBoxTableCellAccess(
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const ::com::sun::star::uno::Reference< com::sun::star::accessibility::XAccessible >& /*_rxParent*/,
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const ::com::sun::star::uno::Reference< com::sun::star::accessibility::XAccessible >& /*_rxControlAccessible*/,
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const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindow >& /*_rxFocusWindow*/,
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IAccessibleTableProvider& /*_rBrowseBox*/,
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sal_Int32 /*_nRowPos*/,
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sal_uInt16 /*_nColPos*/
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) const SAL_OVERRIDE
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{
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return NULL;
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}
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virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >
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createAccessibleToolPanelDeck(
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const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*i_rAccessibleParent*/,
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::svt::ToolPanelDeck& /*i_rPanelDeck*/
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) SAL_OVERRIDE
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{
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return NULL;
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}
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virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >
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createAccessibleToolPanelTabBar(
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const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*i_rAccessibleParent*/,
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::svt::IToolPanelDeck& /*i_rPanelDeck*/,
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::svt::PanelTabBar& /*i_rTabBar*/
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) SAL_OVERRIDE
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{
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return NULL;
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}
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};
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AccessibleDummyFactory::AccessibleDummyFactory()
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{
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}
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AccessibleDummyFactory::~AccessibleDummyFactory()
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{
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}
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}
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//= AccessibleFactoryAccess
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AccessibleFactoryAccess::AccessibleFactoryAccess()
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:m_bInitialized( false )
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{
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}
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#if HAVE_FEATURE_DESKTOP
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#ifndef DISABLE_DYNLOADING
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extern "C" { static void SAL_CALL thisModule() {} }
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#else
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extern "C" void* getSvtAccessibilityComponentFactory();
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#endif
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#endif // HAVE_FEATURE_DESKTOP
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void AccessibleFactoryAccess::ensureInitialized()
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{
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if ( m_bInitialized )
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return;
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::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
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#if HAVE_FEATURE_DESKTOP
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// load the library implementing the factory
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if ( !s_pFactory.get() )
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{
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#ifndef DISABLE_DYNLOADING
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const OUString sModuleName( SVLIBRARY( "acc" ));
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s_hAccessibleImplementationModule = osl_loadModuleRelative( &thisModule, sModuleName.pData, 0 );
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if ( s_hAccessibleImplementationModule != NULL )
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{
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const OUString sFactoryCreationFunc( "getSvtAccessibilityComponentFactory" );
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s_pAccessibleFactoryFunc = (GetSvtAccessibilityComponentFactory)
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osl_getFunctionSymbol( s_hAccessibleImplementationModule, sFactoryCreationFunc.pData );
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}
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OSL_ENSURE( s_pAccessibleFactoryFunc, "ac_registerClient: could not load the library, or not retrieve the needed symbol!" );
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#else
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s_pAccessibleFactoryFunc = getSvtAccessibilityComponentFactory;
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#endif // DISABLE_DYNLOADING
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// get a factory instance
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if ( s_pAccessibleFactoryFunc )
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{
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IAccessibleFactory* pFactory = static_cast< IAccessibleFactory* >( (*s_pAccessibleFactoryFunc)() );
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if ( pFactory )
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{
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s_pFactory = pFactory;
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pFactory->release();
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}
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}
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}
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#endif // HAVE_FEATURE_DESKTOP
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if ( !s_pFactory.get() )
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// the attempt to load the lib, or to create the factory, failed
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// -> fall back to a dummy factory
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s_pFactory = new AccessibleDummyFactory;
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m_bInitialized = true;
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}
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IAccessibleFactory& AccessibleFactoryAccess::getFactory()
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{
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ensureInitialized();
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DBG_ASSERT( s_pFactory.is(), "AccessibleFactoryAccess::getFactory: at least a dummy factory should have been created!" );
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return *s_pFactory;
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}
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} // namespace svt
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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