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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 :
21 : #include "accessibility/extended/accessibletablistboxtable.hxx"
22 : #include "accessibility/extended/AccessibleBrowseBoxTableCell.hxx"
23 : #include "accessibility/extended/AccessibleBrowseBoxCheckBoxCell.hxx"
24 : #include <svtools/svtabbx.hxx>
25 : #include <com/sun/star/accessibility/AccessibleEventId.hpp>
26 :
27 :
28 : namespace accessibility
29 : {
30 :
31 :
32 : // class AccessibleTabListBoxTable ---------------------------------------------
33 :
34 : using namespace ::com::sun::star::accessibility;
35 : using namespace ::com::sun::star::uno;
36 : using namespace ::com::sun::star::lang;
37 : using namespace ::com::sun::star;
38 :
39 :
40 : // Ctor() and Dtor()
41 :
42 0 : AccessibleTabListBoxTable::AccessibleTabListBoxTable( const Reference< XAccessible >& rxParent, SvHeaderTabListBox& rBox ) :
43 :
44 : AccessibleBrowseBoxTable( rxParent, rBox ),
45 :
46 0 : m_pTabListBox ( &rBox )
47 :
48 : {
49 0 : m_pTabListBox->AddEventListener( LINK( this, AccessibleTabListBoxTable, WindowEventListener ) );
50 0 : }
51 :
52 0 : AccessibleTabListBoxTable::~AccessibleTabListBoxTable()
53 : {
54 0 : if ( isAlive() )
55 : {
56 0 : m_pTabListBox = NULL;
57 :
58 : // increment ref count to prevent double call of Dtor
59 0 : osl_atomic_increment( &m_refCount );
60 0 : dispose();
61 : }
62 0 : }
63 :
64 0 : void AccessibleTabListBoxTable::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
65 : {
66 0 : if ( isAlive() )
67 : {
68 0 : sal_uLong nEventId = rVclWindowEvent.GetId();
69 0 : switch ( nEventId )
70 : {
71 : case VCLEVENT_OBJECT_DYING :
72 : {
73 0 : m_pTabListBox->RemoveEventListener( LINK( this, AccessibleTabListBoxTable, WindowEventListener ) );
74 0 : m_pTabListBox = NULL;
75 0 : break;
76 : }
77 :
78 : case VCLEVENT_CONTROL_GETFOCUS :
79 : case VCLEVENT_CONTROL_LOSEFOCUS :
80 : {
81 0 : uno::Any aOldValue, aNewValue;
82 0 : if ( VCLEVENT_CONTROL_GETFOCUS == nEventId )
83 0 : aNewValue <<= AccessibleStateType::FOCUSED;
84 : else
85 0 : aOldValue <<= AccessibleStateType::FOCUSED;
86 0 : commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
87 0 : break;
88 : }
89 :
90 : case VCLEVENT_LISTBOX_SELECT :
91 : {
92 : // First send an event that tells the listeners of a
93 : // modified selection. The active descendant event is
94 : // send after that so that the receiving AT has time to
95 : // read the text or name of the active child.
96 0 : commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
97 0 : if ( m_pTabListBox && m_pTabListBox->HasFocus() )
98 : {
99 0 : SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
100 0 : if ( pEntry )
101 : {
102 0 : sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
103 0 : sal_uInt16 nCol = m_pTabListBox->GetCurrColumn();
104 : Reference< XAccessible > xChild =
105 0 : m_pTabListBox->CreateAccessibleCell( nRow, nCol );
106 0 : uno::Any aOldValue, aNewValue;
107 :
108 0 : if ( m_pTabListBox->IsTransientChildrenDisabled() )
109 : {
110 0 : aNewValue <<= AccessibleStateType::FOCUSED;
111 0 : TriState eState = TRISTATE_INDET;
112 0 : if ( m_pTabListBox->IsCellCheckBox( nRow, nCol, eState ) )
113 : {
114 : AccessibleCheckBoxCell* pCell =
115 0 : static_cast< AccessibleCheckBoxCell* >( xChild.get() );
116 0 : pCell->commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
117 : }
118 : else
119 : {
120 : AccessibleBrowseBoxTableCell* pCell =
121 0 : static_cast< AccessibleBrowseBoxTableCell* >( xChild.get() );
122 0 : pCell->commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
123 : }
124 : }
125 : else
126 : {
127 0 : aNewValue <<= xChild;
128 0 : commitEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aNewValue, aOldValue );
129 0 : }
130 : }
131 : }
132 0 : break;
133 : }
134 : case VCLEVENT_WINDOW_GETFOCUS :
135 : {
136 0 : uno::Any aOldValue, aNewValue;
137 0 : aNewValue <<= AccessibleStateType::FOCUSED;
138 0 : commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
139 0 : break;
140 :
141 : }
142 : case VCLEVENT_WINDOW_LOSEFOCUS :
143 : {
144 0 : uno::Any aOldValue, aNewValue;
145 0 : aOldValue <<= AccessibleStateType::FOCUSED;
146 0 : commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
147 0 : break;
148 : }
149 : case VCLEVENT_LISTBOX_TREESELECT:
150 : {
151 0 : SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
152 0 : if (pEntry)
153 : {
154 0 : sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
155 0 : Reference< XAccessible > xChild = m_pTabListBox->CreateAccessibleCell( nRow, m_pTabListBox->GetCurrColumn() );
156 0 : TriState eState = TRISTATE_INDET;
157 0 : if ( m_pTabListBox->IsCellCheckBox( nRow, m_pTabListBox->GetCurrColumn(), eState ) )
158 : {
159 0 : AccessibleCheckBoxCell* pCell = static_cast< AccessibleCheckBoxCell* >( xChild.get() );
160 0 : pCell->commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
161 : }
162 : else
163 : {
164 0 : AccessibleBrowseBoxTableCell* pCell = static_cast< AccessibleBrowseBoxTableCell* >( xChild.get() );
165 0 : pCell->commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
166 0 : }
167 : }
168 : }
169 0 : break;
170 : case VCLEVENT_LISTBOX_TREEFOCUS:
171 : {
172 0 : if ( m_pTabListBox && m_pTabListBox->HasFocus() )
173 : {
174 0 : uno::Any aOldValue, aNewValue;
175 0 : SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
176 0 : if ( pEntry )
177 : {
178 0 : sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
179 0 : m_xCurChild = m_pTabListBox->CreateAccessibleCell( nRow, m_pTabListBox->GetCurrColumn() );
180 0 : aNewValue <<= m_xCurChild;
181 0 : commitEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aNewValue ,aOldValue);
182 : }
183 : else
184 : {
185 0 : aNewValue <<= AccessibleStateType::FOCUSED;
186 0 : commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue ,aOldValue);
187 0 : }
188 : }
189 : }
190 0 : break;
191 :
192 : case VCLEVENT_CHECKBOX_TOGGLE :
193 : {
194 0 : if ( m_pTabListBox && m_pTabListBox->HasFocus() )
195 : {
196 0 : SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
197 0 : if ( pEntry )
198 : {
199 0 : sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
200 0 : sal_uInt16 nCol = m_pTabListBox->GetCurrColumn();
201 0 : TriState eState = TRISTATE_INDET;
202 0 : if ( m_pTabListBox->IsCellCheckBox( nRow, nCol, eState ) )
203 : {
204 : Reference< XAccessible > xChild =
205 0 : m_pTabListBox->CreateAccessibleCell( nRow, nCol );
206 : AccessibleCheckBoxCell* pCell =
207 0 : static_cast< AccessibleCheckBoxCell* >( xChild.get() );
208 0 : pCell->SetChecked( m_pTabListBox->IsItemChecked( pEntry, nCol ) );
209 : }
210 : }
211 : }
212 0 : break;
213 : }
214 :
215 : case VCLEVENT_TABLECELL_NAMECHANGED :
216 : {
217 0 : if ( m_pTabListBox->IsTransientChildrenDisabled() )
218 : {
219 0 : commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
220 0 : TabListBoxEventData* pData = static_cast< TabListBoxEventData* >( rVclWindowEvent.GetData() );
221 0 : SvTreeListEntry* pEntry = pData != NULL ? pData->m_pEntry : NULL;
222 0 : if ( pEntry )
223 : {
224 0 : sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
225 0 : sal_uInt16 nCol = pData->m_nColumn;
226 : Reference< XAccessible > xChild =
227 0 : m_pTabListBox->CreateAccessibleCell( nRow, nCol );
228 0 : uno::Any aOldValue, aNewValue;
229 0 : aOldValue <<= OUString( pData->m_sOldText );
230 0 : OUString sNewText( m_pTabListBox->GetCellText( nRow, nCol ) );
231 0 : aNewValue <<= sNewText;
232 0 : TriState eState = TRISTATE_INDET;
233 :
234 0 : if ( m_pTabListBox->IsCellCheckBox( nRow, nCol, eState ) )
235 : {
236 : AccessibleCheckBoxCell* pCell =
237 0 : static_cast< AccessibleCheckBoxCell* >( xChild.get() );
238 0 : pCell->commitEvent( AccessibleEventId::NAME_CHANGED, aOldValue, aNewValue );
239 : }
240 : else
241 : {
242 : AccessibleBrowseBoxTableCell* pCell =
243 0 : static_cast< AccessibleBrowseBoxTableCell* >( xChild.get() );
244 0 : pCell->nameChanged( sNewText, pData->m_sOldText );
245 0 : }
246 : }
247 : }
248 0 : break;
249 : }
250 : }
251 : }
252 0 : }
253 :
254 0 : IMPL_LINK( AccessibleTabListBoxTable, WindowEventListener, VclSimpleEvent*, pEvent )
255 : {
256 : OSL_ENSURE( pEvent && pEvent->ISA( VclWindowEvent ), "Unknown WindowEvent!" );
257 0 : if ( pEvent && pEvent->ISA( VclWindowEvent ) )
258 : {
259 : OSL_ENSURE( ( (VclWindowEvent*)pEvent )->GetWindow() && m_pTabListBox, "no event window" );
260 0 : ProcessWindowEvent( *(VclWindowEvent*)pEvent );
261 : }
262 0 : return 0;
263 : }
264 : // helpers --------------------------------------------------------------------
265 :
266 0 : void AccessibleTabListBoxTable::ensureValidIndex( sal_Int32 _nIndex ) const
267 : SAL_THROW( ( IndexOutOfBoundsException ) )
268 : {
269 0 : if ( ( _nIndex < 0 ) || ( _nIndex >= implGetCellCount() ) )
270 0 : throw IndexOutOfBoundsException();
271 0 : }
272 :
273 0 : sal_Bool AccessibleTabListBoxTable::implIsRowSelected( sal_Int32 _nRow ) const
274 : {
275 0 : return m_pTabListBox ? m_pTabListBox->IsSelected( m_pTabListBox->GetEntry( _nRow ) ) : sal_False;
276 : }
277 :
278 0 : void AccessibleTabListBoxTable::implSelectRow( sal_Int32 _nRow, sal_Bool _bSelect )
279 : {
280 0 : if ( m_pTabListBox )
281 0 : m_pTabListBox->Select( m_pTabListBox->GetEntry( _nRow ), _bSelect );
282 0 : }
283 :
284 0 : sal_Int32 AccessibleTabListBoxTable::implGetRowCount() const
285 : {
286 0 : return m_pTabListBox ? m_pTabListBox->GetEntryCount() : 0;
287 : }
288 :
289 0 : sal_Int32 AccessibleTabListBoxTable::implGetColumnCount() const
290 : {
291 0 : return m_pTabListBox ? m_pTabListBox->GetColumnCount() : 0;
292 : }
293 :
294 0 : sal_Int32 AccessibleTabListBoxTable::implGetSelRowCount() const
295 : {
296 0 : return m_pTabListBox ? m_pTabListBox->GetSelectionCount() : 0;
297 : }
298 :
299 0 : sal_Int32 AccessibleTabListBoxTable::implGetSelRow( sal_Int32 nSelRow ) const
300 : {
301 0 : if ( m_pTabListBox )
302 : {
303 0 : sal_Int32 nRow = 0;
304 0 : SvTreeListEntry* pEntry = m_pTabListBox->FirstSelected();
305 0 : while ( pEntry )
306 : {
307 0 : ++nRow;
308 0 : if ( nRow == nSelRow )
309 0 : return m_pTabListBox->GetEntryPos( pEntry );
310 0 : pEntry = m_pTabListBox->NextSelected( pEntry );
311 : }
312 : }
313 :
314 0 : return 0;
315 : }
316 :
317 : // XInterface & XTypeProvider
318 :
319 0 : IMPLEMENT_FORWARD_XINTERFACE2(AccessibleTabListBoxTable, AccessibleBrowseBoxTable, AccessibleTabListBoxTableImplHelper)
320 0 : IMPLEMENT_FORWARD_XTYPEPROVIDER2(AccessibleTabListBoxTable, AccessibleBrowseBoxTable, AccessibleTabListBoxTableImplHelper)
321 :
322 : // XServiceInfo
323 :
324 0 : OUString AccessibleTabListBoxTable::getImplementationName (void) throw (RuntimeException, std::exception)
325 : {
326 0 : return OUString( "com.sun.star.comp.svtools.AccessibleTabListBoxTable" );
327 : }
328 :
329 : // XAccessibleSelection
330 :
331 0 : void SAL_CALL AccessibleTabListBoxTable::selectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
332 : {
333 0 : SolarMutexGuard aSolarGuard;
334 0 : ::osl::MutexGuard aGuard( getOslMutex() );
335 :
336 0 : ensureIsAlive();
337 0 : ensureValidIndex( nChildIndex );
338 :
339 0 : implSelectRow( implGetRow( nChildIndex ), sal_True );
340 0 : }
341 :
342 0 : sal_Bool SAL_CALL AccessibleTabListBoxTable::isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
343 : {
344 0 : SolarMutexGuard aSolarGuard;
345 0 : ::osl::MutexGuard aGuard( getOslMutex() );
346 :
347 0 : ensureIsAlive();
348 0 : ensureValidIndex( nChildIndex );
349 :
350 0 : return implIsRowSelected( implGetRow( nChildIndex ) );
351 : }
352 :
353 0 : void SAL_CALL AccessibleTabListBoxTable::clearAccessibleSelection( ) throw (RuntimeException, std::exception)
354 : {
355 0 : SolarMutexGuard aSolarGuard;
356 0 : ::osl::MutexGuard aGuard( getOslMutex() );
357 :
358 0 : ensureIsAlive();
359 :
360 0 : m_pTabListBox->SetNoSelection();
361 0 : }
362 :
363 0 : void SAL_CALL AccessibleTabListBoxTable::selectAllAccessibleChildren( ) throw (RuntimeException, std::exception)
364 : {
365 0 : SolarMutexGuard aSolarGuard;
366 0 : ::osl::MutexGuard aGuard( getOslMutex() );
367 :
368 0 : ensureIsAlive();
369 :
370 0 : m_pTabListBox->SelectAll();
371 0 : }
372 :
373 0 : sal_Int32 SAL_CALL AccessibleTabListBoxTable::getSelectedAccessibleChildCount( ) throw (RuntimeException, std::exception)
374 : {
375 0 : SolarMutexGuard aSolarGuard;
376 0 : ::osl::MutexGuard aGuard( getOslMutex() );
377 :
378 0 : ensureIsAlive();
379 :
380 0 : return implGetColumnCount() * implGetSelRowCount();
381 : }
382 :
383 0 : Reference< XAccessible > SAL_CALL AccessibleTabListBoxTable::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
384 : {
385 0 : SolarMutexGuard aSolarGuard;
386 0 : ::osl::MutexGuard aGuard( getOslMutex() );
387 :
388 0 : ensureIsAlive();
389 :
390 0 : sal_Int32 nRows = implGetSelRowCount();
391 0 : if ( nRows == 0 )
392 0 : throw IndexOutOfBoundsException();
393 :
394 0 : sal_Int32 nRow = implGetSelRow( nSelectedChildIndex % nRows );
395 0 : sal_Int32 nColumn = nSelectedChildIndex / nRows;
396 0 : return getAccessibleCellAt( nRow, nColumn );
397 : }
398 :
399 0 : void SAL_CALL AccessibleTabListBoxTable::deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
400 : {
401 0 : SolarMutexGuard aSolarGuard;
402 0 : ::osl::MutexGuard aGuard( getOslMutex() );
403 :
404 0 : ensureIsAlive();
405 0 : ensureValidIndex( nSelectedChildIndex );
406 :
407 0 : implSelectRow( implGetRow( nSelectedChildIndex ), sal_False );
408 0 : }
409 :
410 :
411 : }// namespace accessibility
412 :
413 :
414 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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