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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <config_features.h>
21 :
22 : #include "svtaccessiblefactory.hxx"
23 :
24 : #include <boost/noncopyable.hpp>
25 : #include <osl/module.h>
26 :
27 : namespace svt
28 : {
29 : using namespace ::com::sun::star::uno;
30 : using namespace ::com::sun::star::awt;
31 : using namespace ::com::sun::star::accessibility;
32 :
33 : namespace
34 : {
35 : #ifndef DISABLE_DYNLOADING
36 : static oslModule s_hAccessibleImplementationModule = NULL;
37 : #endif
38 : #if HAVE_FEATURE_DESKTOP
39 : static GetSvtAccessibilityComponentFactory s_pAccessibleFactoryFunc = NULL;
40 : #endif
41 266 : static ::rtl::Reference< IAccessibleFactory > s_pFactory;
42 :
43 :
44 : //= AccessibleDummyFactory
45 :
46 : class AccessibleDummyFactory:
47 : public IAccessibleFactory, private boost::noncopyable
48 : {
49 : public:
50 : AccessibleDummyFactory();
51 :
52 : protected:
53 : virtual ~AccessibleDummyFactory();
54 :
55 : public:
56 : // IAccessibleFactory
57 : virtual IAccessibleTabListBox*
58 0 : createAccessibleTabListBox(
59 : const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*rxParent*/,
60 : SvHeaderTabListBox& /*rBox*/
61 : ) const SAL_OVERRIDE
62 : {
63 0 : return NULL;
64 : }
65 :
66 : virtual IAccessibleBrowseBox*
67 0 : createAccessibleBrowseBox(
68 : const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*_rxParent*/,
69 : IAccessibleTableProvider& /*_rBrowseBox*/
70 : ) const SAL_OVERRIDE
71 : {
72 0 : return NULL;
73 : }
74 :
75 : virtual table::IAccessibleTableControl*
76 0 : createAccessibleTableControl(
77 : const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*_rxParent*/,
78 : table::IAccessibleTable& /*_rTable*/
79 : ) const SAL_OVERRIDE
80 : {
81 0 : return NULL;
82 : }
83 :
84 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
85 0 : createAccessibleIconChoiceCtrl(
86 : SvtIconChoiceCtrl& /*_rIconCtrl*/,
87 : const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*_xParent*/
88 : ) const SAL_OVERRIDE
89 : {
90 0 : return NULL;
91 : }
92 :
93 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
94 0 : createAccessibleTabBar(
95 : TabBar& /*_rTabBar*/
96 : ) const SAL_OVERRIDE
97 : {
98 0 : return NULL;
99 : }
100 :
101 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >
102 0 : createAccessibleTextWindowContext(
103 : VCLXWindow* /*pVclXWindow*/, TextEngine& /*rEngine*/, TextView& /*rView*/
104 : ) const SAL_OVERRIDE
105 : {
106 0 : return NULL;
107 : }
108 :
109 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
110 0 : createAccessibleTreeListBox(
111 : SvTreeListBox& /*_rListBox*/,
112 : const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*_xParent*/
113 : ) const SAL_OVERRIDE
114 : {
115 0 : return NULL;
116 : }
117 :
118 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
119 0 : createAccessibleBrowseBoxHeaderBar(
120 : const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*rxParent*/,
121 : IAccessibleTableProvider& /*_rOwningTable*/,
122 : AccessibleBrowseBoxObjType /*_eObjType*/
123 : ) const SAL_OVERRIDE
124 : {
125 0 : return NULL;
126 : }
127 :
128 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
129 0 : createAccessibleBrowseBoxTableCell(
130 : const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*_rxParent*/,
131 : IAccessibleTableProvider& /*_rBrowseBox*/,
132 : const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindow >& /*_xFocusWindow*/,
133 : sal_Int32 /*_nRowId*/,
134 : sal_uInt16 /*_nColId*/,
135 : sal_Int32 /*_nOffset*/
136 : ) const SAL_OVERRIDE
137 : {
138 0 : return NULL;
139 : }
140 :
141 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
142 0 : createAccessibleBrowseBoxHeaderCell(
143 : sal_Int32 /*_nColumnRowId*/,
144 : const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*rxParent*/,
145 : IAccessibleTableProvider& /*_rBrowseBox*/,
146 : const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindow >& /*_xFocusWindow*/,
147 : AccessibleBrowseBoxObjType /*_eObjType*/
148 : ) const SAL_OVERRIDE
149 : {
150 0 : return NULL;
151 : }
152 :
153 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
154 0 : createAccessibleCheckBoxCell(
155 : const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*_rxParent*/,
156 : IAccessibleTableProvider& /*_rBrowseBox*/,
157 : const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindow >& /*_xFocusWindow*/,
158 : sal_Int32 /*_nRowPos*/,
159 : sal_uInt16 /*_nColPos*/,
160 : const TriState& /*_eState*/,
161 : bool /*_bIsTriState*/
162 : ) const SAL_OVERRIDE
163 : {
164 0 : return NULL;
165 : }
166 :
167 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
168 0 : createEditBrowseBoxTableCellAccess(
169 : const ::com::sun::star::uno::Reference< com::sun::star::accessibility::XAccessible >& /*_rxParent*/,
170 : const ::com::sun::star::uno::Reference< com::sun::star::accessibility::XAccessible >& /*_rxControlAccessible*/,
171 : const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindow >& /*_rxFocusWindow*/,
172 : IAccessibleTableProvider& /*_rBrowseBox*/,
173 : sal_Int32 /*_nRowPos*/,
174 : sal_uInt16 /*_nColPos*/
175 : ) const SAL_OVERRIDE
176 : {
177 0 : return NULL;
178 : }
179 :
180 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >
181 0 : createAccessibleToolPanelDeck(
182 : const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*i_rAccessibleParent*/,
183 : ::svt::ToolPanelDeck& /*i_rPanelDeck*/
184 : ) SAL_OVERRIDE
185 : {
186 0 : return NULL;
187 : }
188 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >
189 0 : createAccessibleToolPanelTabBar(
190 : const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& /*i_rAccessibleParent*/,
191 : ::svt::IToolPanelDeck& /*i_rPanelDeck*/,
192 : ::svt::PanelTabBar& /*i_rTabBar*/
193 : ) SAL_OVERRIDE
194 : {
195 0 : return NULL;
196 : }
197 : };
198 :
199 :
200 0 : AccessibleDummyFactory::AccessibleDummyFactory()
201 : {
202 0 : }
203 :
204 :
205 0 : AccessibleDummyFactory::~AccessibleDummyFactory()
206 : {
207 0 : }
208 :
209 : }
210 :
211 :
212 : //= AccessibleFactoryAccess
213 :
214 :
215 623 : AccessibleFactoryAccess::AccessibleFactoryAccess()
216 623 : :m_bInitialized( false )
217 : {
218 623 : }
219 :
220 : #if HAVE_FEATURE_DESKTOP
221 : #ifndef DISABLE_DYNLOADING
222 0 : extern "C" { static void SAL_CALL thisModule() {} }
223 : #else
224 : extern "C" void* getSvtAccessibilityComponentFactory();
225 : #endif
226 : #endif // HAVE_FEATURE_DESKTOP
227 :
228 3 : void AccessibleFactoryAccess::ensureInitialized()
229 : {
230 3 : if ( m_bInitialized )
231 3 : return;
232 :
233 3 : ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
234 :
235 : #if HAVE_FEATURE_DESKTOP
236 : // load the library implementing the factory
237 3 : if ( !s_pFactory.get() )
238 : {
239 : #ifndef DISABLE_DYNLOADING
240 1 : const OUString sModuleName( SVLIBRARY( "acc" ));
241 1 : s_hAccessibleImplementationModule = osl_loadModuleRelative( &thisModule, sModuleName.pData, 0 );
242 1 : if ( s_hAccessibleImplementationModule != NULL )
243 : {
244 1 : const OUString sFactoryCreationFunc( "getSvtAccessibilityComponentFactory" );
245 : s_pAccessibleFactoryFunc = reinterpret_cast<GetSvtAccessibilityComponentFactory>(
246 1 : osl_getFunctionSymbol( s_hAccessibleImplementationModule, sFactoryCreationFunc.pData ));
247 :
248 : }
249 : OSL_ENSURE( s_pAccessibleFactoryFunc, "ac_registerClient: could not load the library, or not retrieve the needed symbol!" );
250 : #else
251 : s_pAccessibleFactoryFunc = getSvtAccessibilityComponentFactory;
252 : #endif // DISABLE_DYNLOADING
253 :
254 : // get a factory instance
255 1 : if ( s_pAccessibleFactoryFunc )
256 : {
257 1 : IAccessibleFactory* pFactory = static_cast< IAccessibleFactory* >( (*s_pAccessibleFactoryFunc)() );
258 1 : if ( pFactory )
259 : {
260 1 : s_pFactory = pFactory;
261 1 : pFactory->release();
262 : }
263 1 : }
264 : }
265 : #endif // HAVE_FEATURE_DESKTOP
266 :
267 3 : if ( !s_pFactory.get() )
268 : // the attempt to load the lib, or to create the factory, failed
269 : // -> fall back to a dummy factory
270 0 : s_pFactory = new AccessibleDummyFactory;
271 :
272 3 : m_bInitialized = true;
273 : }
274 :
275 3 : IAccessibleFactory& AccessibleFactoryAccess::getFactory()
276 : {
277 3 : ensureInitialized();
278 : DBG_ASSERT( s_pFactory.is(), "AccessibleFactoryAccess::getFactory: at least a dummy factory should have been created!" );
279 3 : return *s_pFactory;
280 : }
281 :
282 :
283 798 : } // namespace svt
284 :
285 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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