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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> //#i73249#
31 : #include "accnotextframe.hxx"
32 :
33 : using namespace ::com::sun::star;
34 : using namespace ::com::sun::star::accessibility;
35 :
36 2 : const SwNoTxtNode *SwAccessibleNoTextFrame::GetNoTxtNode() const
37 : {
38 2 : const SwNoTxtNode *pNd = 0;
39 2 : const SwFlyFrm *pFlyFrm = static_cast< const SwFlyFrm *>( GetFrm() );
40 2 : if( pFlyFrm->Lower() && pFlyFrm->Lower()->IsNoTxtFrm() )
41 : {
42 : const SwCntntFrm *pCntFrm =
43 2 : static_cast<const SwCntntFrm *>( pFlyFrm->Lower() );
44 2 : pNd = pCntFrm->GetNode()->GetNoTxtNode();
45 : }
46 :
47 2 : return pNd;
48 : }
49 :
50 1 : SwAccessibleNoTextFrame::SwAccessibleNoTextFrame(
51 : SwAccessibleMap* pInitMap,
52 : sal_Int16 nInitRole,
53 : const SwFlyFrm* pFlyFrm ) :
54 : SwAccessibleFrameBase( pInitMap, nInitRole, pFlyFrm ),
55 1 : aDepend( this, const_cast < SwNoTxtNode * >( GetNoTxtNode() ) ),
56 : msTitle(),
57 2 : msDesc()
58 : {
59 1 : const SwNoTxtNode* pNd = GetNoTxtNode();
60 : // #i73249#
61 : // consider new attributes Title and Description
62 1 : if( pNd )
63 : {
64 1 : msTitle = pNd->GetTitle();
65 :
66 1 : msDesc = pNd->GetDescription();
67 2 : if ( msDesc.isEmpty() &&
68 1 : msTitle != GetName() )
69 : {
70 1 : msDesc = msTitle;
71 : }
72 : }
73 1 : }
74 :
75 1 : SwAccessibleNoTextFrame::~SwAccessibleNoTextFrame()
76 : {
77 1 : }
78 :
79 0 : void SwAccessibleNoTextFrame::Modify( const SfxPoolItem* pOld, const SfxPoolItem *pNew)
80 : {
81 0 : const sal_uInt16 nWhich = pOld ? pOld->Which() : pNew ? pNew->Which() : 0 ;
82 : // #i73249#
83 : // suppress handling of RES_NAME_CHANGED in case that attribute Title is
84 : // used as the accessible name.
85 0 : if ( nWhich != RES_NAME_CHANGED ||
86 0 : msTitle.isEmpty() )
87 : {
88 0 : SwAccessibleFrameBase::Modify( pOld, pNew );
89 : }
90 :
91 0 : const SwNoTxtNode *pNd = GetNoTxtNode();
92 : OSL_ENSURE( pNd == aDepend.GetRegisteredIn(), "invalid frame" );
93 0 : switch( nWhich )
94 : {
95 : // #i73249#
96 : case RES_TITLE_CHANGED:
97 : {
98 : const String& sOldTitle(
99 0 : dynamic_cast<const SwStringMsgPoolItem*>(pOld)->GetString() );
100 : const String& sNewTitle(
101 0 : dynamic_cast<const SwStringMsgPoolItem*>(pNew)->GetString() );
102 0 : if ( sOldTitle == sNewTitle )
103 : {
104 0 : break;
105 : }
106 0 : msTitle = sNewTitle;
107 0 : AccessibleEventObject aEvent;
108 0 : aEvent.EventId = AccessibleEventId::NAME_CHANGED;
109 0 : aEvent.OldValue <<= OUString( sOldTitle );
110 0 : aEvent.NewValue <<= msTitle;
111 0 : FireAccessibleEvent( aEvent );
112 :
113 0 : if ( pNd->GetDescription().Len() != 0 )
114 : {
115 0 : break;
116 0 : }
117 : }
118 : // intentional no break here
119 : case RES_DESCRIPTION_CHANGED:
120 : {
121 0 : if ( pNd && GetFrm() )
122 : {
123 0 : const OUString sOldDesc( msDesc );
124 :
125 0 : const String& rDesc = pNd->GetDescription();
126 0 : msDesc = rDesc;
127 0 : if ( msDesc.isEmpty() &&
128 0 : msTitle != GetName() )
129 : {
130 0 : msDesc = msTitle;
131 : }
132 :
133 0 : if ( msDesc != sOldDesc )
134 : {
135 0 : AccessibleEventObject aEvent;
136 0 : aEvent.EventId = AccessibleEventId::DESCRIPTION_CHANGED;
137 0 : aEvent.OldValue <<= sOldDesc;
138 0 : aEvent.NewValue <<= msDesc;
139 0 : FireAccessibleEvent( aEvent );
140 0 : }
141 : }
142 : }
143 0 : break;
144 : }
145 0 : }
146 :
147 1 : void SwAccessibleNoTextFrame::Dispose( sal_Bool bRecursive )
148 : {
149 1 : SolarMutexGuard aGuard;
150 :
151 1 : if( aDepend.GetRegisteredIn() )
152 1 : const_cast < SwModify *>( aDepend.GetRegisteredIn() )->Remove( &aDepend );
153 :
154 1 : SwAccessibleFrameBase::Dispose( bRecursive );
155 1 : }
156 :
157 : // #i73249#
158 0 : OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleName (void)
159 : throw (uno::RuntimeException)
160 : {
161 0 : SolarMutexGuard aGuard;
162 :
163 0 : CHECK_FOR_DEFUNC( XAccessibleContext )
164 :
165 0 : if ( !msTitle.isEmpty() )
166 : {
167 0 : return msTitle;
168 : }
169 :
170 0 : return SwAccessibleFrameBase::getAccessibleName();
171 : }
172 :
173 0 : OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleDescription (void)
174 : throw (uno::RuntimeException)
175 : {
176 0 : SolarMutexGuard aGuard;
177 :
178 0 : CHECK_FOR_DEFUNC( XAccessibleContext )
179 :
180 0 : return msDesc;
181 : }
182 :
183 : // XInterface
184 :
185 43 : uno::Any SAL_CALL SwAccessibleNoTextFrame::queryInterface( const uno::Type& aType )
186 : throw (uno::RuntimeException)
187 : {
188 43 : if( aType ==
189 43 : ::getCppuType( static_cast<uno::Reference<XAccessibleImage>*>( NULL ) ) )
190 : {
191 0 : uno::Reference<XAccessibleImage> xImage = this;
192 0 : uno::Any aAny;
193 0 : aAny <<= xImage;
194 0 : return aAny;
195 : }
196 : else
197 43 : return SwAccessibleContext::queryInterface( aType );
198 : }
199 :
200 :
201 : // XTypeProvider
202 :
203 0 : uno::Sequence< uno::Type > SAL_CALL SwAccessibleNoTextFrame::getTypes() throw(uno::RuntimeException)
204 : {
205 0 : uno::Sequence< uno::Type > aTypes( SwAccessibleFrameBase::getTypes() );
206 :
207 0 : sal_Int32 nIndex = aTypes.getLength();
208 0 : aTypes.realloc( nIndex + 1 );
209 :
210 0 : uno::Type* pTypes = aTypes.getArray();
211 0 : pTypes[nIndex] = ::getCppuType( static_cast< uno::Reference< XAccessibleImage > * >( 0 ) );
212 :
213 0 : return aTypes;
214 : }
215 :
216 : /// XAccessibleImage
217 : /** implementation of the XAccessibleImage methods is a no-brainer, as
218 : all relevant information is already accessible through other
219 : methods. So we just delegate to those. */
220 :
221 0 : OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageDescription()
222 : throw ( uno::RuntimeException )
223 : {
224 0 : return getAccessibleDescription();
225 : }
226 :
227 0 : sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageHeight( )
228 : throw ( uno::RuntimeException )
229 : {
230 0 : return getSize().Height;
231 : }
232 :
233 0 : sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageWidth( )
234 : throw ( uno::RuntimeException )
235 : {
236 0 : return getSize().Width;
237 99 : }
238 :
239 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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