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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 <com/sun/star/accessibility/AccessibleStateType.hpp>
21 : #include <com/sun/star/accessibility/AccessibleEventId.hpp>
22 : #include <unotools/accessiblestatesethelper.hxx>
23 : #include <osl/mutex.hxx>
24 : #include <vcl/svapp.hxx>
25 : #include <vcl/window.hxx>
26 : #include <frmfmt.hxx>
27 : #include <ndnotxt.hxx>
28 : #include <flyfrm.hxx>
29 : #include <cntfrm.hxx>
30 : #include <fmtcntnt.hxx>
31 : #include <ndindex.hxx>
32 : #include "fesh.hxx"
33 : #include <hints.hxx>
34 : #include "accmap.hxx"
35 : #include "accframebase.hxx"
36 :
37 : using namespace ::com::sun::star;
38 : using namespace ::com::sun::star::accessibility;
39 : using ::rtl::OUString;
40 :
41 0 : sal_Bool SwAccessibleFrameBase::IsSelected()
42 : {
43 0 : sal_Bool bRet = sal_False;
44 :
45 : OSL_ENSURE( GetMap(), "no map?" );
46 0 : const ViewShell *pVSh = GetMap()->GetShell();
47 : OSL_ENSURE( pVSh, "no shell?" );
48 0 : if( pVSh->ISA( SwFEShell ) )
49 : {
50 0 : const SwFEShell *pFESh = static_cast< const SwFEShell * >( pVSh );
51 0 : const SwFrm *pFlyFrm = pFESh->GetCurrFlyFrm();
52 0 : if( pFlyFrm == GetFrm() )
53 0 : bRet = sal_True;
54 : }
55 :
56 0 : return bRet;
57 : }
58 :
59 0 : void SwAccessibleFrameBase::GetStates(
60 : ::utl::AccessibleStateSetHelper& rStateSet )
61 : {
62 0 : SwAccessibleContext::GetStates( rStateSet );
63 :
64 0 : const ViewShell *pVSh = GetMap()->GetShell();
65 : OSL_ENSURE( pVSh, "no shell?" );
66 0 : sal_Bool bSelectable = pVSh->ISA( SwFEShell );
67 :
68 : // SELECTABLE
69 0 : if( bSelectable )
70 0 : rStateSet.AddState( AccessibleStateType::SELECTABLE );
71 :
72 : // FOCUSABLE
73 0 : if( bSelectable )
74 0 : rStateSet.AddState( AccessibleStateType::FOCUSABLE );
75 :
76 : // SELECTED and FOCUSED
77 0 : if( IsSelected() )
78 : {
79 0 : rStateSet.AddState( AccessibleStateType::SELECTED );
80 : OSL_ENSURE( bIsSelected, "bSelected out of sync" );
81 0 : ::rtl::Reference < SwAccessibleContext > xThis( this );
82 0 : GetMap()->SetCursorContext( xThis );
83 :
84 0 : Window *pWin = GetWindow();
85 0 : if( pWin && pWin->HasFocus() )
86 0 : rStateSet.AddState( AccessibleStateType::FOCUSED );
87 : }
88 0 : }
89 :
90 :
91 0 : sal_uInt8 SwAccessibleFrameBase::GetNodeType( const SwFlyFrm *pFlyFrm )
92 : {
93 0 : sal_uInt8 nType = ND_TEXTNODE;
94 0 : if( pFlyFrm->Lower() )
95 : {
96 0 : if( pFlyFrm->Lower()->IsNoTxtFrm() )
97 : {
98 : const SwCntntFrm *pCntFrm =
99 0 : static_cast<const SwCntntFrm *>( pFlyFrm->Lower() );
100 0 : nType = pCntFrm->GetNode()->GetNodeType();
101 : }
102 : }
103 : else
104 : {
105 0 : const SwFrmFmt *pFrmFmt = pFlyFrm->GetFmt();
106 0 : const SwFmtCntnt& rCntnt = pFrmFmt->GetCntnt();
107 0 : const SwNodeIndex *pNdIdx = rCntnt.GetCntntIdx();
108 0 : if( pNdIdx )
109 : {
110 : const SwCntntNode *pCNd =
111 0 : (pNdIdx->GetNodes())[pNdIdx->GetIndex()+1]->GetCntntNode();
112 0 : if( pCNd )
113 0 : nType = pCNd->GetNodeType();
114 : }
115 : }
116 :
117 0 : return nType;
118 : }
119 :
120 0 : SwAccessibleFrameBase::SwAccessibleFrameBase(
121 : SwAccessibleMap* pInitMap,
122 : sal_Int16 nInitRole,
123 : const SwFlyFrm* pFlyFrm ) :
124 : SwAccessibleContext( pInitMap, nInitRole, pFlyFrm ),
125 0 : bIsSelected( sal_False )
126 : {
127 0 : SolarMutexGuard aGuard;
128 :
129 0 : const SwFrmFmt *pFrmFmt = pFlyFrm->GetFmt();
130 0 : const_cast< SwFrmFmt * >( pFrmFmt )->Add( this );
131 :
132 0 : SetName( pFrmFmt->GetName() );
133 :
134 0 : bIsSelected = IsSelected();
135 0 : }
136 :
137 0 : void SwAccessibleFrameBase::_InvalidateCursorPos()
138 : {
139 0 : sal_Bool bNewSelected = IsSelected();
140 : sal_Bool bOldSelected;
141 :
142 : {
143 0 : osl::MutexGuard aGuard( aMutex );
144 0 : bOldSelected = bIsSelected;
145 0 : bIsSelected = bNewSelected;
146 : }
147 :
148 0 : if( bNewSelected )
149 : {
150 : // remember that object as the one that has the caret. This is
151 : // neccessary to notify that object if the cursor leaves it.
152 0 : ::rtl::Reference < SwAccessibleContext > xThis( this );
153 0 : GetMap()->SetCursorContext( xThis );
154 : }
155 :
156 0 : if( bOldSelected != bNewSelected )
157 : {
158 0 : Window *pWin = GetWindow();
159 0 : if( pWin && pWin->HasFocus() && bNewSelected )
160 0 : FireStateChangedEvent( AccessibleStateType::FOCUSED, bNewSelected );
161 0 : FireStateChangedEvent( AccessibleStateType::SELECTED, bNewSelected );
162 0 : if( pWin && pWin->HasFocus() && !bNewSelected )
163 0 : FireStateChangedEvent( AccessibleStateType::FOCUSED, bNewSelected );
164 :
165 0 : uno::Reference< XAccessible > xParent( GetWeakParent() );
166 0 : if( xParent.is() )
167 : {
168 : SwAccessibleContext *pAcc =
169 0 : static_cast <SwAccessibleContext *>( xParent.get() );
170 :
171 0 : AccessibleEventObject aEvent;
172 0 : aEvent.EventId = AccessibleEventId::SELECTION_CHANGED;
173 0 : pAcc->FireAccessibleEvent( aEvent );
174 0 : }
175 : }
176 0 : }
177 :
178 0 : void SwAccessibleFrameBase::_InvalidateFocus()
179 : {
180 0 : Window *pWin = GetWindow();
181 0 : if( pWin )
182 : {
183 : sal_Bool bSelected;
184 :
185 : {
186 0 : osl::MutexGuard aGuard( aMutex );
187 0 : bSelected = bIsSelected;
188 : }
189 : OSL_ENSURE( bSelected, "focus object should be selected" );
190 :
191 : FireStateChangedEvent( AccessibleStateType::FOCUSED,
192 0 : pWin->HasFocus() && bSelected );
193 : }
194 0 : }
195 :
196 0 : sal_Bool SwAccessibleFrameBase::HasCursor()
197 : {
198 0 : osl::MutexGuard aGuard( aMutex );
199 0 : return bIsSelected;
200 : }
201 :
202 :
203 0 : SwAccessibleFrameBase::~SwAccessibleFrameBase()
204 : {
205 0 : }
206 :
207 0 : void SwAccessibleFrameBase::Modify( const SfxPoolItem* pOld, const SfxPoolItem *pNew)
208 : {
209 0 : sal_uInt16 nWhich = pOld ? pOld->Which() : pNew ? pNew->Which() : 0 ;
210 0 : const SwFlyFrm *pFlyFrm = static_cast< const SwFlyFrm * >( GetFrm() );
211 0 : switch( nWhich )
212 : {
213 : case RES_NAME_CHANGED:
214 0 : if( pFlyFrm )
215 : {
216 0 : const SwFrmFmt *pFrmFmt = pFlyFrm->GetFmt();
217 : OSL_ENSURE( pFrmFmt == GetRegisteredIn(), "invalid frame" );
218 :
219 0 : OUString sOldName( GetName() );
220 : OSL_ENSURE( !pOld ||
221 : static_cast < const SwStringMsgPoolItem * >( pOld )->GetString() == String( sOldName ),
222 : "invalid old name" );
223 :
224 0 : const String& rNewName = pFrmFmt->GetName();
225 0 : SetName( rNewName );
226 : OSL_ENSURE( !pNew ||
227 : static_cast < const SwStringMsgPoolItem * >( pNew )->GetString() == rNewName,
228 : "invalid new name" );
229 :
230 0 : if( sOldName != GetName() )
231 : {
232 0 : AccessibleEventObject aEvent;
233 0 : aEvent.EventId = AccessibleEventId::NAME_CHANGED;
234 0 : aEvent.OldValue <<= sOldName;
235 0 : aEvent.NewValue <<= GetName();
236 0 : FireAccessibleEvent( aEvent );
237 0 : }
238 : }
239 0 : break;
240 : case RES_OBJECTDYING:
241 : // mba: it seems that this class intentionally does not call code in base class SwClient
242 0 : if( GetRegisteredIn() ==
243 : static_cast< SwModify *>( static_cast< const SwPtrMsgPoolItem * >( pOld )->pObject ) )
244 0 : GetRegisteredInNonConst()->Remove( this );
245 0 : break;
246 :
247 : case RES_FMT_CHG:
248 0 : if( static_cast< const SwFmtChg * >(pNew)->pChangedFmt == GetRegisteredIn() &&
249 0 : static_cast< const SwFmtChg * >(pOld)->pChangedFmt->IsFmtInDTOR() )
250 0 : GetRegisteredInNonConst()->Remove( this );
251 0 : break;
252 :
253 : default:
254 : // mba: former call to base class method removed as it is meant to handle only RES_OBJECTDYING
255 0 : break;
256 : }
257 0 : }
258 :
259 0 : void SwAccessibleFrameBase::Dispose( sal_Bool bRecursive )
260 : {
261 0 : SolarMutexGuard aGuard;
262 :
263 0 : if( GetRegisteredIn() )
264 0 : GetRegisteredInNonConst()->Remove( this );
265 :
266 0 : SwAccessibleContext::Dispose( bRecursive );
267 0 : }
268 :
269 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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