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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 <osl/mutex.hxx>
21 : #include <vcl/svapp.hxx>
22 : #include <com/sun/star/accessibility/AccessibleRole.hpp>
23 : #include <com/sun/star/accessibility/AccessibleStateType.hpp>
24 : #include <com/sun/star/accessibility/AccessibleEventId.hpp>
25 : #include <unotools/accessiblestatesethelper.hxx>
26 : #include <frmfmt.hxx>
27 : #include <ndnotxt.hxx>
28 : #include <flyfrm.hxx>
29 : #include <cntfrm.hxx>
30 : #include <hints.hxx>
31 : #include "accnotextframe.hxx"
32 : #include <fmturl.hxx>
33 : #include <accnotexthyperlink.hxx>
34 : #include <svtools/imap.hxx>
35 : #include <unotools/accessiblerelationsethelper.hxx>
36 : #include <com/sun/star/accessibility/AccessibleRelationType.hpp>
37 : #include <com/sun/star/accessibility/XAccessibleRelationSet.hpp>
38 : #include <doc.hxx>
39 :
40 : using namespace ::com::sun::star;
41 : using namespace ::com::sun::star::accessibility;
42 : using utl::AccessibleRelationSetHelper;
43 :
44 2 : const SwNoTxtNode *SwAccessibleNoTextFrame::GetNoTxtNode() const
45 : {
46 2 : const SwNoTxtNode *pNd = 0;
47 2 : const SwFlyFrm *pFlyFrm = static_cast< const SwFlyFrm *>( GetFrm() );
48 2 : if( pFlyFrm->Lower() && pFlyFrm->Lower()->IsNoTxtFrm() )
49 : {
50 : const SwCntntFrm *pCntFrm =
51 2 : static_cast<const SwCntntFrm *>( pFlyFrm->Lower() );
52 2 : const SwCntntNode* pSwCntntNode = pCntFrm->GetNode();
53 2 : if(pSwCntntNode != NULL)
54 : {
55 2 : pNd = pSwCntntNode->GetNoTxtNode();
56 : }
57 : }
58 :
59 2 : return pNd;
60 : }
61 :
62 1 : SwAccessibleNoTextFrame::SwAccessibleNoTextFrame(
63 : SwAccessibleMap* pInitMap,
64 : sal_Int16 nInitRole,
65 : const SwFlyFrm* pFlyFrm ) :
66 : SwAccessibleFrameBase( pInitMap, nInitRole, pFlyFrm ),
67 1 : aDepend( this, const_cast < SwNoTxtNode * >( GetNoTxtNode() ) ),
68 : msTitle(),
69 2 : msDesc()
70 : {
71 1 : const SwNoTxtNode* pNd = GetNoTxtNode();
72 : // #i73249#
73 : // consider new attributes Title and Description
74 1 : if( pNd )
75 : {
76 1 : msTitle = pNd->GetTitle();
77 :
78 1 : msDesc = pNd->GetDescription();
79 2 : if ( msDesc.isEmpty() &&
80 1 : msTitle != GetName() )
81 : {
82 1 : msDesc = msTitle;
83 : }
84 : }
85 1 : }
86 :
87 1 : SwAccessibleNoTextFrame::~SwAccessibleNoTextFrame()
88 : {
89 1 : }
90 :
91 0 : void SwAccessibleNoTextFrame::Modify( const SfxPoolItem* pOld, const SfxPoolItem *pNew)
92 : {
93 0 : const sal_uInt16 nWhich = pOld ? pOld->Which() : pNew ? pNew->Which() : 0 ;
94 : // #i73249#
95 : // suppress handling of RES_NAME_CHANGED in case that attribute Title is
96 : // used as the accessible name.
97 0 : if ( nWhich != RES_NAME_CHANGED ||
98 0 : msTitle.isEmpty() )
99 : {
100 0 : SwAccessibleFrameBase::Modify( pOld, pNew );
101 0 : if (!GetRegisteredIn())
102 0 : return; // probably was deleted - avoid doing anything
103 : }
104 :
105 0 : const SwNoTxtNode *pNd = GetNoTxtNode();
106 : OSL_ENSURE( pNd == aDepend.GetRegisteredIn(), "invalid frame" );
107 0 : switch( nWhich )
108 : {
109 : // #i73249#
110 : case RES_TITLE_CHANGED:
111 : {
112 : const OUString& sOldTitle(
113 0 : dynamic_cast<const SwStringMsgPoolItem*>(pOld)->GetString() );
114 : const OUString& sNewTitle(
115 0 : dynamic_cast<const SwStringMsgPoolItem*>(pNew)->GetString() );
116 0 : if ( sOldTitle == sNewTitle )
117 : {
118 0 : break;
119 : }
120 0 : msTitle = sNewTitle;
121 0 : AccessibleEventObject aEvent;
122 0 : aEvent.EventId = AccessibleEventId::NAME_CHANGED;
123 0 : aEvent.OldValue <<= sOldTitle;
124 0 : aEvent.NewValue <<= msTitle;
125 0 : FireAccessibleEvent( aEvent );
126 :
127 0 : if ( !pNd->GetDescription().isEmpty() )
128 : {
129 0 : break;
130 0 : }
131 : }
132 : // intentional no break here
133 : case RES_DESCRIPTION_CHANGED:
134 : {
135 0 : if ( pNd && GetFrm() )
136 : {
137 0 : const OUString sOldDesc( msDesc );
138 :
139 0 : const OUString& rDesc = pNd->GetDescription();
140 0 : msDesc = rDesc;
141 0 : if ( msDesc.isEmpty() &&
142 0 : msTitle != GetName() )
143 : {
144 0 : msDesc = msTitle;
145 : }
146 :
147 0 : if ( msDesc != sOldDesc )
148 : {
149 0 : AccessibleEventObject aEvent;
150 0 : aEvent.EventId = AccessibleEventId::DESCRIPTION_CHANGED;
151 0 : aEvent.OldValue <<= sOldDesc;
152 0 : aEvent.NewValue <<= msDesc;
153 0 : FireAccessibleEvent( aEvent );
154 0 : }
155 : }
156 : }
157 0 : break;
158 : }
159 : }
160 :
161 1 : void SwAccessibleNoTextFrame::Dispose( sal_Bool bRecursive )
162 : {
163 1 : SolarMutexGuard aGuard;
164 :
165 1 : if( aDepend.GetRegisteredIn() )
166 1 : const_cast < SwModify *>( aDepend.GetRegisteredIn() )->Remove( &aDepend );
167 :
168 1 : SwAccessibleFrameBase::Dispose( bRecursive );
169 1 : }
170 :
171 : // #i73249#
172 0 : OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleName (void)
173 : throw (uno::RuntimeException, std::exception)
174 : {
175 0 : SolarMutexGuard aGuard;
176 :
177 0 : CHECK_FOR_DEFUNC( XAccessibleContext )
178 :
179 0 : if ( !msTitle.isEmpty() )
180 : {
181 0 : return msTitle;
182 : }
183 :
184 0 : return SwAccessibleFrameBase::getAccessibleName();
185 : }
186 :
187 0 : OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleDescription (void)
188 : throw (uno::RuntimeException, std::exception)
189 : {
190 0 : SolarMutexGuard aGuard;
191 :
192 0 : CHECK_FOR_DEFUNC( XAccessibleContext )
193 :
194 0 : return msDesc;
195 : }
196 :
197 : // XInterface
198 :
199 71 : uno::Any SAL_CALL SwAccessibleNoTextFrame::queryInterface( const uno::Type& aType )
200 : throw (uno::RuntimeException, std::exception)
201 : {
202 71 : if( aType ==
203 71 : ::getCppuType( static_cast<uno::Reference<XAccessibleImage>*>( NULL ) ) )
204 : {
205 0 : uno::Reference<XAccessibleImage> xImage = this;
206 0 : uno::Any aAny;
207 0 : aAny <<= xImage;
208 0 : return aAny;
209 : }
210 71 : else if ( aType == ::getCppuType((uno::Reference<XAccessibleHypertext> *)0) )
211 : {
212 0 : uno::Reference<XAccessibleHypertext> aAccHypertext = this;
213 0 : uno::Any aAny;
214 0 : aAny <<= aAccHypertext;
215 0 : return aAny;
216 : }
217 : else
218 71 : return SwAccessibleContext::queryInterface( aType );
219 : }
220 :
221 : // XTypeProvider
222 :
223 0 : uno::Sequence< uno::Type > SAL_CALL SwAccessibleNoTextFrame::getTypes() throw(uno::RuntimeException, std::exception)
224 : {
225 0 : uno::Sequence< uno::Type > aTypes( SwAccessibleFrameBase::getTypes() );
226 :
227 0 : sal_Int32 nIndex = aTypes.getLength();
228 0 : aTypes.realloc( nIndex + 1 );
229 :
230 0 : uno::Type* pTypes = aTypes.getArray();
231 0 : pTypes[nIndex] = ::getCppuType( static_cast< uno::Reference< XAccessibleImage > * >( 0 ) );
232 :
233 0 : return aTypes;
234 : }
235 :
236 : /// XAccessibleImage
237 : /** implementation of the XAccessibleImage methods is a no-brainer, as
238 : all relevant information is already accessible through other
239 : methods. So we just delegate to those. */
240 :
241 0 : OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageDescription()
242 : throw ( uno::RuntimeException, std::exception )
243 : {
244 0 : return getAccessibleDescription();
245 : }
246 :
247 0 : sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageHeight( )
248 : throw ( uno::RuntimeException, std::exception )
249 : {
250 0 : return getSize().Height;
251 : }
252 :
253 0 : sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageWidth( )
254 : throw ( uno::RuntimeException, std::exception )
255 : {
256 0 : return getSize().Width;
257 : }
258 :
259 : //===== XAccesibleText ==================================================
260 0 : sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getCaretPosition( ) throw (::com::sun::star::uno::RuntimeException, std::exception){return 0;}
261 0 : sal_Bool SAL_CALL SwAccessibleNoTextFrame::setCaretPosition( sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception){return 0;}
262 0 : sal_Unicode SAL_CALL SwAccessibleNoTextFrame::getCharacter( sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception){return 0;}
263 0 : ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > SAL_CALL SwAccessibleNoTextFrame::getCharacterAttributes( sal_Int32 , const ::com::sun::star::uno::Sequence< OUString >& ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception)
264 : {
265 0 : uno::Sequence<beans::PropertyValue> aValues(0);
266 0 : return aValues;
267 : }
268 0 : ::com::sun::star::awt::Rectangle SAL_CALL SwAccessibleNoTextFrame::getCharacterBounds( sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception)
269 : {
270 0 : return com::sun::star::awt::Rectangle(0, 0, 0, 0 );
271 : }
272 0 : sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getCharacterCount( ) throw (::com::sun::star::uno::RuntimeException, std::exception){return 0;}
273 0 : sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getIndexAtPoint( const ::com::sun::star::awt::Point& ) throw (::com::sun::star::uno::RuntimeException, std::exception){return 0;}
274 0 : OUString SAL_CALL SwAccessibleNoTextFrame::getSelectedText( ) throw (::com::sun::star::uno::RuntimeException, std::exception){return OUString();}
275 0 : sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getSelectionStart( ) throw (::com::sun::star::uno::RuntimeException, std::exception){return 0;}
276 0 : sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getSelectionEnd( ) throw (::com::sun::star::uno::RuntimeException, std::exception){return 0;}
277 0 : sal_Bool SAL_CALL SwAccessibleNoTextFrame::setSelection( sal_Int32 , sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception){return sal_True;}
278 0 : OUString SAL_CALL SwAccessibleNoTextFrame::getText( ) throw (::com::sun::star::uno::RuntimeException, std::exception){return OUString();}
279 0 : OUString SAL_CALL SwAccessibleNoTextFrame::getTextRange( sal_Int32 , sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception){return OUString();}
280 0 : ::com::sun::star::accessibility::TextSegment SAL_CALL SwAccessibleNoTextFrame::getTextAtIndex( sal_Int32 , sal_Int16 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException, std::exception)
281 : {
282 0 : ::com::sun::star::accessibility::TextSegment aResult;
283 0 : return aResult;
284 : }
285 0 : ::com::sun::star::accessibility::TextSegment SAL_CALL SwAccessibleNoTextFrame::getTextBeforeIndex( sal_Int32, sal_Int16 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException, std::exception)
286 : {
287 0 : ::com::sun::star::accessibility::TextSegment aResult;
288 0 : return aResult;
289 : }
290 0 : ::com::sun::star::accessibility::TextSegment SAL_CALL SwAccessibleNoTextFrame::getTextBehindIndex( sal_Int32 , sal_Int16 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException, std::exception)
291 : {
292 0 : ::com::sun::star::accessibility::TextSegment aResult;
293 0 : return aResult;
294 : }
295 :
296 0 : sal_Bool SAL_CALL SwAccessibleNoTextFrame::copyText( sal_Int32, sal_Int32 ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception){return sal_True;}
297 :
298 : // XAccessibleHyperText
299 :
300 0 : sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getHyperLinkCount()
301 : throw (uno::RuntimeException, std::exception)
302 : {
303 0 : SolarMutexGuard aGuard;
304 :
305 0 : CHECK_FOR_DEFUNC( XAccessibleHypertext );
306 :
307 0 : sal_Int32 nCount = 0;
308 0 : SwFmtURL aURL( ((SwLayoutFrm*)GetFrm())->GetFmt()->GetURL() );
309 :
310 0 : if(aURL.GetMap() || !aURL.GetURL().isEmpty())
311 0 : nCount = 1;
312 :
313 0 : return nCount;
314 : }
315 :
316 : uno::Reference< XAccessibleHyperlink > SAL_CALL
317 0 : SwAccessibleNoTextFrame::getHyperLink( sal_Int32 nLinkIndex )
318 : throw (lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception)
319 : {
320 0 : SolarMutexGuard aGuard;
321 0 : CHECK_FOR_DEFUNC( XAccessibleHypertext );
322 :
323 0 : uno::Reference< XAccessibleHyperlink > xRet;
324 :
325 0 : SwFmtURL aURL( ((SwLayoutFrm*)GetFrm())->GetFmt()->GetURL() );
326 :
327 0 : if( nLinkIndex > 0 )
328 0 : throw lang::IndexOutOfBoundsException();
329 :
330 0 : if( aURL.GetMap() || !aURL.GetURL().isEmpty() )
331 : {
332 0 : if ( !alink.is() )
333 : {
334 0 : alink = new SwAccessibleNoTextHyperlink( this, GetFrm() );
335 : }
336 :
337 0 : return alink;
338 : }
339 :
340 0 : return NULL;
341 : }
342 :
343 0 : sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getHyperLinkIndex( sal_Int32 )
344 : throw (lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception)
345 : {
346 0 : SolarMutexGuard aGuard;
347 :
348 0 : return 0;
349 : }
350 :
351 0 : uno::Reference<XAccessibleRelationSet> SAL_CALL SwAccessibleNoTextFrame::getAccessibleRelationSet( )
352 : throw ( uno::RuntimeException, std::exception )
353 : {
354 0 : SolarMutexGuard aGuard;
355 :
356 0 : return new AccessibleRelationSetHelper();
357 : }
358 :
359 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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