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
/* -*- 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/accessibletablistboxtable.hxx>
#include <extended/AccessibleBrowseBoxTableCell.hxx>
#include <extended/AccessibleBrowseBoxCheckBoxCell.hxx>
#include <svtools/svtabbx.hxx>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>


namespace accessibility
{


    // class AccessibleTabListBoxTable ---------------------------------------------

    using namespace ::com::sun::star::accessibility;
    using namespace ::com::sun::star::uno;
    using namespace ::com::sun::star::lang;
    using namespace ::com::sun::star;


    // Ctor() and Dtor()

    AccessibleTabListBoxTable::AccessibleTabListBoxTable( const Reference< XAccessible >& rxParent, SvHeaderTabListBox& rBox ) :

        AccessibleBrowseBoxTable( rxParent, rBox ),

        m_pTabListBox   ( &rBox )

    {
        m_pTabListBox->AddEventListener( LINK( this, AccessibleTabListBoxTable, WindowEventListener ) );
    }

    AccessibleTabListBoxTable::~AccessibleTabListBoxTable()
    {
        if ( isAlive() )
        {
            m_pTabListBox = nullptr;

            // increment ref count to prevent double call of Dtor
            osl_atomic_increment( &m_refCount );
            dispose();
        }
    }

    void AccessibleTabListBoxTable::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
    {
        if ( isAlive() )
        {
            VclEventId nEventId = rVclWindowEvent.GetId();
            switch ( nEventId )
            {
                case  VclEventId::ObjectDying :
                {
                    m_pTabListBox->RemoveEventListener( LINK( this, AccessibleTabListBoxTable, WindowEventListener ) );
                    m_pTabListBox = nullptr;
                    break;
                }

                case VclEventId::ControlGetFocus :
                case VclEventId::ControlLoseFocus :
                {
                    uno::Any aOldValue, aNewValue;
                    if ( nEventId == VclEventId::ControlGetFocus )
                        aNewValue <<= AccessibleStateType::FOCUSED;
                    else
                        aOldValue <<= AccessibleStateType::FOCUSED;
                    commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
                    break;
                }

                case VclEventId::ListboxSelect :
                {
                    // First send an event that tells the listeners of a
                    // modified selection.  The active descendant event is
                    // send after that so that the receiving AT has time to
                    // read the text or name of the active child.
                    commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
                    if ( m_pTabListBox && m_pTabListBox->HasFocus() )
                    {
                        SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
                        if ( pEntry )
                        {
                            sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
                            sal_uInt16 nCol = m_pTabListBox->GetCurrColumn();
                            Reference< XAccessible > xChild =
                                m_pTabListBox->CreateAccessibleCell( nRow, nCol );
                            uno::Any aOldValue, aNewValue;

                            if ( m_pTabListBox->IsTransientChildrenDisabled() )
                            {
                                aNewValue <<= AccessibleStateType::FOCUSED;
                                TriState eState = TRISTATE_INDET;
                                if ( m_pTabListBox->IsCellCheckBox( nRow, nCol, eState ) )
                                {
                                    AccessibleCheckBoxCell* pCell =
                                        static_cast< AccessibleCheckBoxCell* >( xChild.get() );
                                    pCell->commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
                                }
                                else
                                {
                                    AccessibleBrowseBoxTableCell* pCell =
                                        static_cast< AccessibleBrowseBoxTableCell* >( xChild.get() );
                                    pCell->commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
                                }
                            }
                            else
                            {
                                aNewValue <<= xChild;
                                commitEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aNewValue, aOldValue );
                            }
                        }
                    }
                    break;
                }
                case VclEventId::WindowGetFocus :
                {
                    uno::Any aOldValue, aNewValue;
                    aNewValue <<= AccessibleStateType::FOCUSED;
                    commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
                    break;

                }
                case VclEventId::WindowLoseFocus :
                {
                    uno::Any aOldValue, aNewValue;
                    aOldValue <<= AccessibleStateType::FOCUSED;
                    commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue );
                    break;
                }
                case VclEventId::ListboxTreeSelect:
                    {
                        SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
                        if (pEntry)
                        {
                            sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
                            Reference< XAccessible > xChild = m_pTabListBox->CreateAccessibleCell( nRow, m_pTabListBox->GetCurrColumn() );
                            TriState eState = TRISTATE_INDET;
                            if ( m_pTabListBox->IsCellCheckBox( nRow, m_pTabListBox->GetCurrColumn(), eState ) )
                            {
                                AccessibleCheckBoxCell* pCell = static_cast< AccessibleCheckBoxCell* >( xChild.get() );
                                pCell->commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
                            }
                            else
                            {
                                AccessibleBrowseBoxTableCell* pCell = static_cast< AccessibleBrowseBoxTableCell* >( xChild.get() );
                                pCell->commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
                            }
                        }
                    }
                    break;
                case VclEventId::ListboxTreeFocus:
                    {
                        if ( m_pTabListBox && m_pTabListBox->HasFocus() )
                        {
                            uno::Any aOldValue, aNewValue;
                            SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
                            if ( pEntry )
                            {
                                sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
                                m_xCurChild = m_pTabListBox->CreateAccessibleCell( nRow, m_pTabListBox->GetCurrColumn() );
                                aNewValue <<= m_xCurChild;
                                commitEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aNewValue ,aOldValue);
                            }
                            else
                            {
                                aNewValue <<= AccessibleStateType::FOCUSED;
                                commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue ,aOldValue);
                            }
                        }
                    }
                    break;

                case VclEventId::CheckboxToggle :
                {
                    if ( m_pTabListBox && m_pTabListBox->HasFocus() )
                    {
                        SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
                        if ( pEntry )
                        {
                            sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
                            sal_uInt16 nCol = m_pTabListBox->GetCurrColumn();
                            TriState eState = TRISTATE_INDET;
                            if ( m_pTabListBox->IsCellCheckBox( nRow, nCol, eState ) )
                            {
                                Reference< XAccessible > xChild =
                                    m_pTabListBox->CreateAccessibleCell( nRow, nCol );
                                AccessibleCheckBoxCell* pCell =
                                    static_cast< AccessibleCheckBoxCell* >( xChild.get() );
                                pCell->SetChecked( SvHeaderTabListBox::IsItemChecked( pEntry, nCol ) );
                            }
                        }
                    }
                    break;
                }

                case VclEventId::TableCellNameChanged :
                {
                    if ( m_pTabListBox->IsTransientChildrenDisabled() )
                    {
                        commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
                        TabListBoxEventData* pData = static_cast< TabListBoxEventData* >( rVclWindowEvent.GetData() );
                        SvTreeListEntry* pEntry = pData != nullptr ? pData->m_pEntry : nullptr;
                        if ( pEntry )
                        {
                            sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry );
                            sal_uInt16 nCol = pData->m_nColumn;
                            Reference< XAccessible > xChild =
                                m_pTabListBox->CreateAccessibleCell( nRow, nCol );
                            uno::Any aOldValue, aNewValue;
                            aOldValue <<= pData->m_sOldText;
                            OUString sNewText( m_pTabListBox->GetCellText( nRow, nCol ) );
                            aNewValue <<= sNewText;
                            TriState eState = TRISTATE_INDET;

                            if ( m_pTabListBox->IsCellCheckBox( nRow, nCol, eState ) )
                            {
                                AccessibleCheckBoxCell* pCell =
                                    static_cast< AccessibleCheckBoxCell* >( xChild.get() );
                                pCell->commitEvent( AccessibleEventId::NAME_CHANGED, aNewValue, aOldValue );
                            }
                            else
                            {
                                AccessibleBrowseBoxTableCell* pCell =
                                    static_cast< AccessibleBrowseBoxTableCell* >( xChild.get() );
                                pCell->nameChanged( sNewText, pData->m_sOldText );
                            }
                        }
                    }
                    break;
                }
                default: break;
            }
        }
    }

    IMPL_LINK( AccessibleTabListBoxTable, WindowEventListener, VclWindowEvent&, rEvent, void )<--- syntax error
    {
        OSL_ENSURE( rEvent.GetWindow() && m_pTabListBox, "no event window" );
        ProcessWindowEvent( rEvent );
    }
    // helpers --------------------------------------------------------------------

    void AccessibleTabListBoxTable::ensureValidIndex( sal_Int32 _nIndex ) const
    {
        if ( ( _nIndex < 0 ) || ( _nIndex >= (implGetRowCount() * implGetColumnCount()) ) )
            throw IndexOutOfBoundsException();
    }

    void AccessibleTabListBoxTable::implSelectRow( sal_Int32 _nRow, bool _bSelect )
    {
        if ( m_pTabListBox )
            m_pTabListBox->Select( m_pTabListBox->GetEntry( _nRow ), _bSelect );
    }

    sal_Int32 AccessibleTabListBoxTable::implGetRowCount() const
    {
        return m_pTabListBox ? m_pTabListBox->GetEntryCount() : 0;
    }

    sal_Int32 AccessibleTabListBoxTable::implGetColumnCount() const
    {
        return m_pTabListBox ? m_pTabListBox->GetColumnCount() : 0;
    }

    sal_Int32 AccessibleTabListBoxTable::implGetSelRowCount() const
    {
        return m_pTabListBox ? m_pTabListBox->GetSelectionCount() : 0;
    }

    sal_Int32 AccessibleTabListBoxTable::implGetSelRow( sal_Int32 nSelRow ) const
    {
        if ( m_pTabListBox )
        {
            sal_Int32 nRow = 0;
            SvTreeListEntry* pEntry = m_pTabListBox->FirstSelected();
            while ( pEntry )
            {
                ++nRow;
                if ( nRow == nSelRow )
                    return m_pTabListBox->GetEntryPos( pEntry );
                pEntry = m_pTabListBox->NextSelected( pEntry );
            }
        }

        return 0;
    }

    // XInterface & XTypeProvider

    IMPLEMENT_FORWARD_XINTERFACE2(AccessibleTabListBoxTable, AccessibleBrowseBoxTable, AccessibleTabListBoxTableImplHelper)
    IMPLEMENT_FORWARD_XTYPEPROVIDER2(AccessibleTabListBoxTable, AccessibleBrowseBoxTable, AccessibleTabListBoxTableImplHelper)

    // XServiceInfo

    OUString AccessibleTabListBoxTable::getImplementationName()
    {
        return OUString( "com.sun.star.comp.svtools.AccessibleTabListBoxTable" );
    }

    // XAccessibleSelection

    void SAL_CALL AccessibleTabListBoxTable::selectAccessibleChild( sal_Int32 nChildIndex )
    {
        SolarMutexGuard aSolarGuard;
        ::osl::MutexGuard aGuard( getMutex() );

        ensureIsAlive();
        ensureValidIndex( nChildIndex );

        implSelectRow( implGetRow( nChildIndex ), true );
    }

    sal_Bool SAL_CALL AccessibleTabListBoxTable::isAccessibleChildSelected( sal_Int32 nChildIndex )
    {
        SolarMutexGuard aSolarGuard;
        ::osl::MutexGuard aGuard( getMutex() );

        ensureIsAlive();
        ensureValidIndex( nChildIndex );

        return m_pTabListBox && m_pTabListBox->IsSelected( m_pTabListBox->GetEntry( implGetRow( nChildIndex ) ) );
    }

    void SAL_CALL AccessibleTabListBoxTable::clearAccessibleSelection(  )
    {
        SolarMutexGuard aSolarGuard;
        ::osl::MutexGuard aGuard( getMutex() );

        ensureIsAlive();

        m_pTabListBox->SetNoSelection();
    }

    void SAL_CALL AccessibleTabListBoxTable::selectAllAccessibleChildren(  )
    {
        SolarMutexGuard aSolarGuard;
        ::osl::MutexGuard aGuard( getMutex() );

        ensureIsAlive();

        m_pTabListBox->SelectAll();
    }

    sal_Int32 SAL_CALL AccessibleTabListBoxTable::getSelectedAccessibleChildCount(  )
    {
        SolarMutexGuard aSolarGuard;
        ::osl::MutexGuard aGuard( getMutex() );

        ensureIsAlive();

        return implGetColumnCount() * implGetSelRowCount();
    }

    Reference< XAccessible > SAL_CALL AccessibleTabListBoxTable::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex )
    {
        SolarMutexGuard aSolarGuard;
        ::osl::MutexGuard aGuard( getMutex() );

        ensureIsAlive();

        sal_Int32 nRows = implGetSelRowCount();
        if ( nRows == 0 )
            throw IndexOutOfBoundsException();

        sal_Int32 nRow = implGetSelRow( nSelectedChildIndex % nRows );
        sal_Int32 nColumn = nSelectedChildIndex / nRows;
        return getAccessibleCellAt( nRow, nColumn );
    }

    void SAL_CALL AccessibleTabListBoxTable::deselectAccessibleChild( sal_Int32 nSelectedChildIndex )
    {
        SolarMutexGuard aSolarGuard;
        ::osl::MutexGuard aGuard( getMutex() );

        ensureIsAlive();
        ensureValidIndex( nSelectedChildIndex );

        implSelectRow( implGetRow( nSelectedChildIndex ), false );
    }


}// namespace accessibility


/* vim:set shiftwidth=4 softtabstop=4 expandtab: */