1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <extended/AccessibleGridControlBase.hxx>
#include <toolkit/helper/convert.hxx>
#include <vcl/accessibletable.hxx>
#include <vcl/svapp.hxx>
#include <vcl/window.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <sal/types.h>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/IllegalAccessibleComponentStateException.hpp>
#include <unotools/accessiblerelationsethelper.hxx>
#include <sal/log.hxx>
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::Any;
using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
using namespace ::comphelper;
using namespace ::vcl;
using namespace ::vcl::table;
namespace accessibility {
using namespace com::sun::star::accessibility::AccessibleStateType;
AccessibleGridControlBase::AccessibleGridControlBase(
const css::uno::Reference< css::accessibility::XAccessible >& rxParent,
::vcl::table::IAccessibleTable& rTable,
::vcl::table::AccessibleTableControlObjType eObjType ) :
AccessibleGridControlImplHelper( m_aMutex ),
m_xParent( rxParent ),
m_aTable( rTable),
m_eObjType( eObjType ),
m_aName( rTable.GetAccessibleObjectName( eObjType, 0, 0 ) ),
m_aDescription( rTable.GetAccessibleObjectDescription( eObjType ) ),
m_aClientId(0)
{
}
AccessibleGridControlBase::~AccessibleGridControlBase()
{
if( isAlive() )
{
// increment ref count to prevent double call of Dtor
osl_atomic_increment( &m_refCount );
dispose();
}
}
void SAL_CALL AccessibleGridControlBase::disposing()
{
SolarMutexGuard g;
if ( getClientId( ) )
{
AccessibleEventNotifier::TClientId nId( getClientId( ) );
setClientId( 0 );
AccessibleEventNotifier::revokeClientNotifyDisposing( nId, *this );
}
m_xParent = nullptr;
//m_aTable = NULL;
}
// css::accessibility::XAccessibleContext
css::uno::Reference< css::accessibility::XAccessible > SAL_CALL AccessibleGridControlBase::getAccessibleParent()
{
SolarMutexGuard g;
ensureIsAlive();
return m_xParent;
}
sal_Int32 SAL_CALL AccessibleGridControlBase::getAccessibleIndexInParent()
{
SolarMutexGuard g;
ensureIsAlive();
// -1 for child not found/no parent (according to specification)
sal_Int32 nRet = -1;
css::uno::Reference< uno::XInterface > xMeMyselfAndI( static_cast< css::accessibility::XAccessibleContext* >( this ), uno::UNO_QUERY );
// iterate over parent's children and search for this object
if( m_xParent.is() )
{
css::uno::Reference< css::accessibility::XAccessibleContext >
xParentContext( m_xParent->getAccessibleContext() );
if( xParentContext.is() )
{
css::uno::Reference< uno::XInterface > xChild;
sal_Int32 nChildCount = xParentContext->getAccessibleChildCount();
for( sal_Int32 nChild = 0; nChild < nChildCount; ++nChild )
{
xChild.set(xParentContext->getAccessibleChild( nChild ), css::uno::UNO_QUERY);
if ( xMeMyselfAndI.get() == xChild.get() )
{
nRet = nChild;
break;
}
}
}
}
return nRet;
}
OUString SAL_CALL AccessibleGridControlBase::getAccessibleDescription()
{
SolarMutexGuard g;
ensureIsAlive();
return m_aDescription;
}
OUString SAL_CALL AccessibleGridControlBase::getAccessibleName()
{
SolarMutexGuard g;
ensureIsAlive();
return m_aName;
}
css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL
AccessibleGridControlBase::getAccessibleRelationSet()
{
SolarMutexGuard g;
ensureIsAlive();
// GridControl does not have relations.
return new utl::AccessibleRelationSetHelper;
}
css::uno::Reference< css::accessibility::XAccessibleStateSet > SAL_CALL
AccessibleGridControlBase::getAccessibleStateSet()
{
SolarMutexGuard aSolarGuard;
// don't check whether alive -> StateSet may contain DEFUNC
return implCreateStateSetHelper();
}
lang::Locale SAL_CALL AccessibleGridControlBase::getLocale()
{
SolarMutexGuard g;
ensureIsAlive();
if( m_xParent.is() )
{
css::uno::Reference< css::accessibility::XAccessibleContext >
xParentContext( m_xParent->getAccessibleContext() );
if( xParentContext.is() )
return xParentContext->getLocale();
}
throw IllegalAccessibleComponentStateException();
}
// css::accessibility::XAccessibleComponent
sal_Bool SAL_CALL AccessibleGridControlBase::containsPoint( const awt::Point& rPoint )
{
return tools::Rectangle( Point(), getBoundingBox().GetSize() ).IsInside( VCLPoint( rPoint ) );
}
awt::Rectangle SAL_CALL AccessibleGridControlBase::getBounds()
{
return AWTRectangle( getBoundingBox() );
}
awt::Point SAL_CALL AccessibleGridControlBase::getLocation()
{
return AWTPoint( getBoundingBox().TopLeft() );
}
awt::Point SAL_CALL AccessibleGridControlBase::getLocationOnScreen()
{
return AWTPoint( getBoundingBoxOnScreen().TopLeft() );
}
awt::Size SAL_CALL AccessibleGridControlBase::getSize()
{
return AWTSize( getBoundingBox().GetSize() );
}
// css::accessibility::XAccessibleEventBroadcaster
void SAL_CALL AccessibleGridControlBase::addAccessibleEventListener(
const css::uno::Reference< css::accessibility::XAccessibleEventListener>& _rxListener )
{
if ( _rxListener.is() )
{
SolarMutexGuard g;
if ( !getClientId( ) )
setClientId( AccessibleEventNotifier::registerClient( ) );
AccessibleEventNotifier::addEventListener( getClientId( ), _rxListener );
}
}
void SAL_CALL AccessibleGridControlBase::removeAccessibleEventListener(
const css::uno::Reference< css::accessibility::XAccessibleEventListener>& _rxListener )
{
if( _rxListener.is() && getClientId( ) )
{
SolarMutexGuard g;
sal_Int32 nListenerCount = AccessibleEventNotifier::removeEventListener( getClientId( ), _rxListener );
if ( !nListenerCount )
{
// no listeners anymore
// -> revoke ourself. This may lead to the notifier thread dying (if we were the last client),
// and at least to us not firing any events anymore, in case somebody calls
// NotifyAccessibleEvent, again
AccessibleEventNotifier::TClientId nId( getClientId( ) );
setClientId( 0 );
AccessibleEventNotifier::revokeClient( nId );
}
}
}
// XTypeProvider
Sequence< sal_Int8 > SAL_CALL AccessibleGridControlBase::getImplementationId()
{
return css::uno::Sequence<sal_Int8>();
}
// XServiceInfo
sal_Bool SAL_CALL AccessibleGridControlBase::supportsService(
const OUString& rServiceName )
{
return cppu::supportsService(this, rServiceName);
}
Sequence< OUString > SAL_CALL AccessibleGridControlBase::getSupportedServiceNames()
{
return { "com.sun.star.accessibility.AccessibleContext" };
}
// internal virtual methods
bool AccessibleGridControlBase::implIsShowing()
{
bool bShowing = false;
if( m_xParent.is() )
{
css::uno::Reference< css::accessibility::XAccessibleComponent >
xParentComp( m_xParent->getAccessibleContext(), uno::UNO_QUERY );
if( xParentComp.is() )
bShowing = implGetBoundingBox().IsOver(
VCLRectangle( xParentComp->getBounds() ) );
}
return bShowing;
}
::utl::AccessibleStateSetHelper* AccessibleGridControlBase::implCreateStateSetHelper()
{
::utl::AccessibleStateSetHelper*
pStateSetHelper = new ::utl::AccessibleStateSetHelper;
if( isAlive() )
{
// SHOWING done with m_xParent
if( implIsShowing() )
pStateSetHelper->AddState( AccessibleStateType::SHOWING );
// GridControl fills StateSet with states depending on object type
m_aTable.FillAccessibleStateSet( *pStateSetHelper, getType() );
}
else
pStateSetHelper->AddState( AccessibleStateType::DEFUNC );
return pStateSetHelper;
}
// internal helper methods
bool AccessibleGridControlBase::isAlive() const
{
::osl::MutexGuard g(m_aMutex); // guards rBHelper members
return !rBHelper.bDisposed && !rBHelper.bInDispose;
}
void AccessibleGridControlBase::ensureIsAlive() const
{
if( !isAlive() )
throw lang::DisposedException();
}
tools::Rectangle AccessibleGridControlBase::getBoundingBox()
{
SolarMutexGuard aSolarGuard;
ensureIsAlive();
tools::Rectangle aRect = implGetBoundingBox();
if ( aRect.Left() == 0 && aRect.Top() == 0 && aRect.Right() == 0 && aRect.Bottom() == 0 )
{
SAL_WARN( "accessibility", "rectangle doesn't exist" );
}
return aRect;
}
tools::Rectangle AccessibleGridControlBase::getBoundingBoxOnScreen()
{
SolarMutexGuard aSolarGuard;
ensureIsAlive();
tools::Rectangle aRect = implGetBoundingBoxOnScreen();
if ( aRect.Left() == 0 && aRect.Top() == 0 && aRect.Right() == 0 && aRect.Bottom() == 0 )
{
SAL_WARN( "accessibility", "rectangle doesn't exist" );
}
return aRect;
}
void AccessibleGridControlBase::commitEvent(
sal_Int16 _nEventId, const Any& _rNewValue, const Any& _rOldValue )
{
SolarMutexGuard g;
if ( !getClientId( ) )
// if we don't have a client id for the notifier, then we don't have listeners, then
// we don't need to notify anything
return;
// build an event object
AccessibleEventObject aEvent;
aEvent.Source = *this;
aEvent.EventId = _nEventId;
aEvent.OldValue = _rOldValue;
aEvent.NewValue = _rNewValue;
// let the notifier handle this event
AccessibleEventNotifier::addEvent( getClientId( ), aEvent );
}
sal_Int16 SAL_CALL AccessibleGridControlBase::getAccessibleRole()
{
ensureIsAlive();
sal_Int16 nRole = AccessibleRole::UNKNOWN;
switch ( m_eObjType )
{
case TCTYPE_ROWHEADERCELL:
nRole = AccessibleRole::ROW_HEADER;
break;
case TCTYPE_COLUMNHEADERCELL:
nRole = AccessibleRole::COLUMN_HEADER;
break;
case TCTYPE_COLUMNHEADERBAR:
case TCTYPE_ROWHEADERBAR:
case TCTYPE_TABLE:
nRole = AccessibleRole::TABLE;
break;
case TCTYPE_TABLECELL:
nRole = AccessibleRole::TABLE_CELL;
break;
case TCTYPE_GRIDCONTROL:
nRole = AccessibleRole::PANEL;
break;
}
return nRole;
}
css::uno::Reference<css::accessibility::XAccessible > SAL_CALL AccessibleGridControlBase::getAccessibleAtPoint( const css::awt::Point& )
{
return nullptr;
}
sal_Int32 SAL_CALL AccessibleGridControlBase::getForeground( )
{
SolarMutexGuard aSolarGuard;
ensureIsAlive();
Color nColor;
vcl::Window* pInst = m_aTable.GetWindowInstance();
if ( pInst )
{
if ( pInst->IsControlForeground() )
nColor = pInst->GetControlForeground();
else
{
vcl::Font aFont;
if ( pInst->IsControlFont() )
aFont = pInst->GetControlFont();
else
aFont = pInst->GetFont();
nColor = aFont.GetColor();
}
}
return sal_Int32(nColor);
}
sal_Int32 SAL_CALL AccessibleGridControlBase::getBackground( )
{
SolarMutexGuard aSolarGuard;
ensureIsAlive();
Color nColor;
vcl::Window* pInst = m_aTable.GetWindowInstance();
if ( pInst )
{
if ( pInst->IsControlBackground() )
nColor = pInst->GetControlBackground();
else
nColor = pInst->GetBackground().GetColor();
}
return sal_Int32(nColor);
}
GridControlAccessibleElement::GridControlAccessibleElement( const css::uno::Reference< css::accessibility::XAccessible >& rxParent,
::vcl::table::IAccessibleTable& rTable,
::vcl::table::AccessibleTableControlObjType eObjType )
:AccessibleGridControlBase( rxParent, rTable, eObjType )
{
}
// XInterface
IMPLEMENT_FORWARD_XINTERFACE2( GridControlAccessibleElement, AccessibleGridControlBase, GridControlAccessibleElement_Base)
// XTypeProvider
IMPLEMENT_FORWARD_XTYPEPROVIDER2( GridControlAccessibleElement, AccessibleGridControlBase, GridControlAccessibleElement_Base )
// css::accessibility::XAccessible
css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL GridControlAccessibleElement::getAccessibleContext()
{
SolarMutexGuard g;
ensureIsAlive();
return this;
}
GridControlAccessibleElement::~GridControlAccessibleElement( )
{
}
} // namespace accessibility
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|