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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 "accessibility/extended/AccessibleBrowseBox.hxx"
21 : #include "accessibility/extended/AccessibleBrowseBoxTable.hxx"
22 : #include "accessibility/extended/AccessibleBrowseBoxHeaderBar.hxx"
23 : #include <svtools/accessibletableprovider.hxx>
24 : #include <comphelper/types.hxx>
25 : #include <toolkit/helper/vclunohelper.hxx>
26 :
27 :
28 :
29 : namespace accessibility
30 : {
31 :
32 :
33 :
34 : using namespace ::com::sun::star::uno;
35 : using namespace ::com::sun::star;
36 : using namespace ::com::sun::star::lang;
37 : using namespace ::com::sun::star::accessibility;
38 : using namespace ::svt;
39 :
40 :
41 0 : class AccessibleBrowseBoxImpl
42 : {
43 : public:
44 : /// the XAccessible which created the AccessibleBrowseBox
45 : WeakReference< XAccessible > m_aCreator;
46 :
47 : /** The data table child. */
48 : Reference<
49 : ::com::sun::star::accessibility::XAccessible > mxTable;
50 : AccessibleBrowseBoxTable* m_pTable;
51 :
52 : /** The header bar for rows ("handle column"). */
53 : Reference<
54 : ::com::sun::star::accessibility::XAccessible > mxRowHeaderBar;
55 : AccessibleBrowseBoxHeaderBar* m_pRowHeaderBar;
56 :
57 : /** The header bar for columns (first row of the table). */
58 : Reference<
59 : ::com::sun::star::accessibility::XAccessible > mxColumnHeaderBar;
60 : AccessibleBrowseBoxHeaderBar* m_pColumnHeaderBar;
61 : };
62 :
63 : // Ctor/Dtor/disposing --------------------------------------------------------
64 :
65 0 : AccessibleBrowseBox::AccessibleBrowseBox(
66 : const Reference< XAccessible >& _rxParent, const Reference< XAccessible >& _rxCreator,
67 : IAccessibleTableProvider& _rBrowseBox )
68 0 : : AccessibleBrowseBoxBase( _rxParent, _rBrowseBox,NULL, BBTYPE_BROWSEBOX )
69 : {
70 0 : m_xImpl.reset( new AccessibleBrowseBoxImpl() );
71 0 : m_xImpl->m_aCreator = _rxCreator;
72 :
73 0 : m_xFocusWindow = VCLUnoHelper::GetInterface(mpBrowseBox->GetWindowInstance());
74 0 : }
75 :
76 0 : void AccessibleBrowseBox::setCreator( const Reference< XAccessible >& _rxCreator )
77 : {
78 : #if OSL_DEBUG_LEVEL > 0
79 : Reference< XAccessible > xCreator(m_xImpl->m_aCreator);
80 : OSL_ENSURE( !xCreator.is(), "accessibility/extended/AccessibleBrowseBox::setCreator: creator already set!" );
81 : #endif
82 0 : m_xImpl->m_aCreator = _rxCreator;
83 0 : }
84 :
85 :
86 0 : AccessibleBrowseBox::~AccessibleBrowseBox()
87 : {
88 0 : }
89 :
90 :
91 0 : void SAL_CALL AccessibleBrowseBox::disposing()
92 : {
93 0 : ::osl::MutexGuard aGuard( getOslMutex() );
94 :
95 0 : m_xImpl->m_pTable = NULL;
96 0 : m_xImpl->m_pColumnHeaderBar = NULL;
97 0 : m_xImpl->m_pRowHeaderBar = NULL;
98 0 : m_xImpl->m_aCreator.clear();
99 :
100 0 : Reference< XAccessible > xTable = m_xImpl->mxTable;
101 :
102 0 : Reference< XComponent > xComp( m_xImpl->mxTable, UNO_QUERY );
103 0 : if ( xComp.is() )
104 : {
105 0 : xComp->dispose();
106 :
107 : }
108 : //! ::comphelper::disposeComponent(m_xImpl->mxTable);
109 0 : ::comphelper::disposeComponent(m_xImpl->mxRowHeaderBar);
110 0 : ::comphelper::disposeComponent(m_xImpl->mxColumnHeaderBar);
111 :
112 0 : AccessibleBrowseBoxBase::disposing();
113 0 : }
114 :
115 :
116 : // XAccessibleContext ---------------------------------------------------------
117 :
118 0 : sal_Int32 SAL_CALL AccessibleBrowseBox::getAccessibleChildCount()
119 : throw ( uno::RuntimeException, std::exception )
120 : {
121 0 : SolarMutexGuard aSolarGuard;
122 0 : ::osl::MutexGuard aGuard( getOslMutex() );
123 0 : ensureIsAlive();
124 0 : return BBINDEX_FIRSTCONTROL + mpBrowseBox->GetAccessibleControlCount();
125 : }
126 :
127 :
128 : Reference< XAccessible > SAL_CALL
129 0 : AccessibleBrowseBox::getAccessibleChild( sal_Int32 nChildIndex )
130 : throw ( lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception )
131 : {
132 0 : SolarMutexGuard aSolarGuard;
133 0 : ::osl::MutexGuard aGuard( getOslMutex() );
134 0 : ensureIsAlive();
135 :
136 0 : Reference< XAccessible > xRet;
137 0 : if( nChildIndex >= 0 )
138 : {
139 0 : if( nChildIndex < BBINDEX_FIRSTCONTROL )
140 0 : xRet = implGetFixedChild( nChildIndex );
141 : else
142 : {
143 : // additional controls
144 0 : nChildIndex -= BBINDEX_FIRSTCONTROL;
145 0 : if( nChildIndex < mpBrowseBox->GetAccessibleControlCount() )
146 0 : xRet = mpBrowseBox->CreateAccessibleControl( nChildIndex );
147 : }
148 : }
149 :
150 0 : if( !xRet.is() )
151 0 : throw lang::IndexOutOfBoundsException();
152 0 : return xRet;
153 : }
154 :
155 : // XAccessibleComponent -------------------------------------------------------
156 :
157 : Reference< XAccessible > SAL_CALL
158 0 : AccessibleBrowseBox::getAccessibleAtPoint( const awt::Point& rPoint )
159 : throw ( uno::RuntimeException, std::exception )
160 : {
161 0 : SolarMutexGuard aSolarGuard;
162 0 : ::osl::MutexGuard aGuard( getOslMutex() );
163 0 : ensureIsAlive();
164 :
165 0 : Reference< XAccessible > xChild;
166 0 : sal_Int32 nIndex = 0;
167 0 : if( mpBrowseBox->ConvertPointToControlIndex( nIndex, VCLPoint( rPoint ) ) )
168 0 : xChild = mpBrowseBox->CreateAccessibleControl( nIndex );
169 : else
170 : {
171 : // try whether point is in one of the fixed children
172 : // (table, header bars, corner control)
173 0 : Point aPoint( VCLPoint( rPoint ) );
174 0 : for( nIndex = 0; (nIndex < BBINDEX_FIRSTCONTROL) && !xChild.is(); ++nIndex )
175 : {
176 0 : Reference< XAccessible > xCurrChild( implGetFixedChild( nIndex ) );
177 : Reference< XAccessibleComponent >
178 0 : xCurrChildComp( xCurrChild, uno::UNO_QUERY );
179 :
180 0 : if( xCurrChildComp.is() &&
181 0 : VCLRectangle( xCurrChildComp->getBounds() ).IsInside( aPoint ) )
182 0 : xChild = xCurrChild;
183 0 : }
184 : }
185 0 : return xChild;
186 : }
187 :
188 :
189 0 : void SAL_CALL AccessibleBrowseBox::grabFocus()
190 : throw ( uno::RuntimeException, std::exception )
191 : {
192 0 : SolarMutexGuard aSolarGuard;
193 0 : ::osl::MutexGuard aGuard( getOslMutex() );
194 0 : ensureIsAlive();
195 0 : mpBrowseBox->GrabFocus();
196 0 : }
197 :
198 : // XServiceInfo ---------------------------------------------------------------
199 :
200 0 : OUString SAL_CALL AccessibleBrowseBox::getImplementationName()
201 : throw ( uno::RuntimeException, std::exception )
202 : {
203 0 : return OUString( "com.sun.star.comp.svtools.AccessibleBrowseBox" );
204 : }
205 :
206 :
207 : // internal virtual methods ---------------------------------------------------
208 :
209 0 : Rectangle AccessibleBrowseBox::implGetBoundingBox()
210 : {
211 0 : vcl::Window* pParent = mpBrowseBox->GetAccessibleParentWindow();
212 : OSL_ENSURE( pParent, "implGetBoundingBox - missing parent window" );
213 0 : return mpBrowseBox->GetWindowExtentsRelative( pParent );
214 : }
215 :
216 :
217 0 : Rectangle AccessibleBrowseBox::implGetBoundingBoxOnScreen()
218 : {
219 0 : return mpBrowseBox->GetWindowExtentsRelative( NULL );
220 : }
221 :
222 :
223 : // internal helper methods ----------------------------------------------------
224 :
225 0 : Reference< XAccessible > AccessibleBrowseBox::implGetTable()
226 : {
227 0 : if( !m_xImpl->mxTable.is() )
228 : {
229 0 : m_xImpl->m_pTable = createAccessibleTable();
230 0 : m_xImpl->mxTable = m_xImpl->m_pTable;
231 :
232 : }
233 0 : return m_xImpl->mxTable;
234 : }
235 :
236 :
237 : Reference< XAccessible >
238 0 : AccessibleBrowseBox::implGetHeaderBar( AccessibleBrowseBoxObjType eObjType )
239 : {
240 0 : Reference< XAccessible > xRet;
241 0 : Reference< XAccessible >* pxMember = NULL;
242 :
243 0 : if( eObjType == BBTYPE_ROWHEADERBAR )
244 0 : pxMember = &m_xImpl->mxRowHeaderBar;
245 0 : else if( eObjType == BBTYPE_COLUMNHEADERBAR )
246 0 : pxMember = &m_xImpl->mxColumnHeaderBar;
247 :
248 0 : if( pxMember )
249 : {
250 0 : if( !pxMember->is() )
251 : {
252 : AccessibleBrowseBoxHeaderBar* pHeaderBar = new AccessibleBrowseBoxHeaderBar(
253 0 : m_xImpl->m_aCreator, *mpBrowseBox, eObjType );
254 :
255 0 : if ( BBTYPE_COLUMNHEADERBAR == eObjType)
256 0 : m_xImpl->m_pColumnHeaderBar = pHeaderBar;
257 : else
258 0 : m_xImpl->m_pRowHeaderBar = pHeaderBar;
259 :
260 0 : *pxMember = pHeaderBar;
261 : }
262 0 : xRet = *pxMember;
263 : }
264 0 : return xRet;
265 : }
266 :
267 :
268 : Reference< XAccessible >
269 0 : AccessibleBrowseBox::implGetFixedChild( sal_Int32 nChildIndex )
270 : {
271 0 : Reference< XAccessible > xRet;
272 0 : switch( nChildIndex )
273 : {
274 : case BBINDEX_COLUMNHEADERBAR:
275 0 : xRet = implGetHeaderBar( BBTYPE_COLUMNHEADERBAR );
276 0 : break;
277 : case BBINDEX_ROWHEADERBAR:
278 0 : xRet = implGetHeaderBar( BBTYPE_ROWHEADERBAR );
279 0 : break;
280 : case BBINDEX_TABLE:
281 0 : xRet = implGetTable();
282 0 : break;
283 : }
284 0 : return xRet;
285 : }
286 :
287 0 : AccessibleBrowseBoxTable* AccessibleBrowseBox::createAccessibleTable()
288 : {
289 0 : Reference< XAccessible > xCreator(m_xImpl->m_aCreator);
290 : OSL_ENSURE( xCreator.is(), "accessibility/extended/AccessibleBrowseBox::createAccessibleTable: my creator died - how this?" );
291 0 : return new AccessibleBrowseBoxTable( xCreator, *mpBrowseBox );
292 : }
293 :
294 0 : void AccessibleBrowseBox::commitTableEvent(sal_Int16 _nEventId,const Any& _rNewValue,const Any& _rOldValue)
295 : {
296 0 : if ( m_xImpl->mxTable.is() )
297 : {
298 0 : m_xImpl->m_pTable->commitEvent(_nEventId,_rNewValue,_rOldValue);
299 : }
300 0 : }
301 :
302 0 : void AccessibleBrowseBox::commitHeaderBarEvent( sal_Int16 _nEventId,
303 : const Any& _rNewValue,
304 : const Any& _rOldValue,bool _bColumnHeaderBar)
305 : {
306 0 : Reference< XAccessible > xHeaderBar = _bColumnHeaderBar ? m_xImpl->mxColumnHeaderBar : m_xImpl->mxRowHeaderBar;
307 0 : AccessibleBrowseBoxHeaderBar* pHeaderBar = _bColumnHeaderBar ? m_xImpl->m_pColumnHeaderBar : m_xImpl->m_pRowHeaderBar;
308 0 : if ( xHeaderBar.is() )
309 0 : pHeaderBar->commitEvent(_nEventId,_rNewValue,_rOldValue);
310 0 : }
311 :
312 :
313 : // = AccessibleBrowseBoxAccess
314 :
315 0 : AccessibleBrowseBoxAccess::AccessibleBrowseBoxAccess( const Reference< XAccessible >& _rxParent, IAccessibleTableProvider& _rBrowseBox )
316 : :m_xParent( _rxParent )
317 : ,m_rBrowseBox( _rBrowseBox )
318 0 : ,m_pContext( NULL )
319 : {
320 0 : }
321 :
322 :
323 0 : AccessibleBrowseBoxAccess::~AccessibleBrowseBoxAccess()
324 : {
325 0 : }
326 :
327 :
328 0 : void AccessibleBrowseBoxAccess::dispose()
329 : {
330 0 : ::osl::MutexGuard aGuard( m_aMutex );
331 :
332 0 : m_pContext = NULL;
333 0 : ::comphelper::disposeComponent( m_xContext );
334 0 : }
335 :
336 :
337 0 : Reference< XAccessibleContext > SAL_CALL AccessibleBrowseBoxAccess::getAccessibleContext() throw ( RuntimeException, std::exception )
338 : {
339 0 : ::osl::MutexGuard aGuard( m_aMutex );
340 :
341 : OSL_ENSURE( ( m_pContext && m_xContext.is() ) || ( !m_pContext && !m_xContext.is() ),
342 : "accessibility/extended/AccessibleBrowseBoxAccess::getAccessibleContext: inconsistency!" );
343 :
344 : // if the context died meanwhile (there is no listener, so it won't tell us explicitily when this happens),
345 : // then reset and re-create.
346 0 : if ( m_pContext && !m_pContext->isAlive() )
347 0 : m_xContext = m_pContext = NULL;
348 :
349 0 : if ( !m_xContext.is() )
350 0 : m_xContext = m_pContext = new AccessibleBrowseBox( m_xParent, this, m_rBrowseBox );
351 :
352 0 : return m_xContext;
353 : }
354 :
355 :
356 0 : bool AccessibleBrowseBoxAccess::isContextAlive() const
357 : {
358 0 : return ( NULL != m_pContext ) && m_pContext->isAlive();
359 : }
360 :
361 :
362 :
363 : } // namespace accessibility
364 :
365 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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