summaryrefslogtreecommitdiff
path: root/vcl/osx/a11ytablewrapper.mm
blob: e7cd02fcee7e1c86ec05f46fdee17e0079fc71b2 (plain)
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
/* -*- 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 <osx/a11yfactory.h>

#include "a11ytablewrapper.h"

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

@implementation AquaA11yTableWrapper : AquaA11yWrapper

+(id)childrenAttributeForElement:(AquaA11yTableWrapper *)wrapper
{
    XAccessibleTable * accessibleTable = [ wrapper accessibleTable ];
    NSArray* pResult = nil;
    if( accessibleTable )
    {
        NSMutableArray * cells = [ [ NSMutableArray alloc ] init ];
        try
        {
            sal_Int32 nRows = accessibleTable->getAccessibleRowCount();
            sal_Int32 nCols = accessibleTable->getAccessibleColumnCount();
    
            if( nRows * nCols < MAXIMUM_ACCESSIBLE_TABLE_CELLS )
            {
                // make all children visible to the hierarchy
                for ( sal_Int32 rowCount = 0; rowCount < nRows; rowCount++ )
                {
                    for ( sal_Int32 columnCount = 0; columnCount < nCols; columnCount++ )
                    {
                        Reference < XAccessible > rAccessibleCell = accessibleTable -> getAccessibleCellAt ( rowCount, columnCount );
                        if ( rAccessibleCell.is() )
                        {
                            id cell_wrapper = [ AquaA11yFactory wrapperForAccessibleContext: rAccessibleCell -> getAccessibleContext() ];
                            [ cells addObject: cell_wrapper ];
                            [ cell_wrapper release ];
                        }
                    }
                }
            }
            else
            {
                XAccessibleComponent * accessibleComponent = [ wrapper accessibleComponent ];
                // find out which cells are actually visible by determining the top-left-cell and the bottom-right-cell
                Size tableSize = accessibleComponent -> getSize();
                Point point;
                point.X = 0;
                point.Y = 0;
                Reference < XAccessible > rAccessibleTopLeft = accessibleComponent -> getAccessibleAtPoint ( point );
                point.X = tableSize.Width - 1;
                point.Y = tableSize.Height - 1;
                Reference < XAccessible > rAccessibleBottomRight = accessibleComponent -> getAccessibleAtPoint ( point );
                if ( rAccessibleTopLeft.is() && rAccessibleBottomRight.is() )
                {
                    sal_Int32 idxTopLeft = rAccessibleTopLeft -> getAccessibleContext() -> getAccessibleIndexInParent();
                    sal_Int32 idxBottomRight = rAccessibleBottomRight -> getAccessibleContext() -> getAccessibleIndexInParent();
                    sal_Int32 rowTopLeft = accessibleTable -> getAccessibleRow ( idxTopLeft );
                    sal_Int32 columnTopLeft = accessibleTable -> getAccessibleColumn ( idxTopLeft );
                    sal_Int32 rowBottomRight = accessibleTable -> getAccessibleRow ( idxBottomRight );
                    sal_Int32 columnBottomRight = accessibleTable -> getAccessibleColumn ( idxBottomRight );
                    // create an array containing the visible cells
                    for ( sal_Int32 rowCount = rowTopLeft; rowCount <= rowBottomRight; rowCount++ )
                    {
                        for ( sal_Int32 columnCount = columnTopLeft; columnCount <= columnBottomRight; columnCount++ )
                        {
                            Reference < XAccessible > rAccessibleCell = accessibleTable -> getAccessibleCellAt ( rowCount, columnCount );
                            if ( rAccessibleCell.is() )
                            {
                                id cell_wrapper = [ AquaA11yFactory wrapperForAccessibleContext: rAccessibleCell -> getAccessibleContext() ];
                                [ cells addObject: cell_wrapper ];
                                [ cell_wrapper release ];
                            }
                        }
                    }
                }
            }
            pResult = NSAccessibilityUnignoredChildren( cells );
        }
        catch (const Exception &) 
        {
        }
        [cells autorelease];
    }
    
    return pResult;
}

+(void)addAttributeNamesTo: (NSMutableArray *)attributeNames object: (AquaA11yWrapper*)pObject
{
    XAccessibleTable * accessibleTable = [ pObject accessibleTable ];
    if( accessibleTable )
    {
        sal_Int32 nRows = accessibleTable->getAccessibleRowCount();
        sal_Int32 nCols = accessibleTable->getAccessibleColumnCount();    
        
        
        if( nRows*nCols < MAXIMUM_ACCESSIBLE_TABLE_CELLS )
        {
            [ attributeNames addObject: NSAccessibilityRowsAttribute ];
            [ attributeNames addObject: NSAccessibilityColumnsAttribute ];
        }
    }
}

-(id)rowsAttribute
{
    NSArray* pResult = nil;

    XAccessibleTable * accessibleTable = [ self accessibleTable ];
    if( accessibleTable )
    {
        sal_Int32 nRows = accessibleTable->getAccessibleRowCount();
        sal_Int32 nCols = accessibleTable->getAccessibleColumnCount();    
        if( nRows * nCols < MAXIMUM_ACCESSIBLE_TABLE_CELLS )
        {
            NSMutableArray * cells = [ [ NSMutableArray alloc ] init ];
            try
            {
                for( sal_Int32 n = 0; n < nRows; n++ )
                {
                    Reference < XAccessible > rAccessibleCell = accessibleTable -> getAccessibleCellAt ( n, 0 );
                    if ( rAccessibleCell.is() )
                    {
                        id cell_wrapper = [ AquaA11yFactory wrapperForAccessibleContext: rAccessibleCell -> getAccessibleContext() ];
                        [ cells addObject: cell_wrapper ];
                        [ cell_wrapper release ];
                    }
                }
                pResult = NSAccessibilityUnignoredChildren( cells );
            }
            catch (const Exception &) 
            {
                pResult = nil;
            }
            [ cells autorelease ];
        }
    }
    
    return pResult;
}

-(id)columnsAttribute
{
    NSArray* pResult = nil;

    XAccessibleTable * accessibleTable = [ self accessibleTable ];
    
    if( accessibleTable )
    {
        sal_Int32 nRows = accessibleTable->getAccessibleRowCount();
        sal_Int32 nCols = accessibleTable->getAccessibleColumnCount();    
        if( nRows * nCols < MAXIMUM_ACCESSIBLE_TABLE_CELLS )
        {
            NSMutableArray * cells = [ [ NSMutableArray alloc ] init ];
            try
            {
                // find out number of columns
                for( sal_Int32 n = 0; n < nCols; n++ )
                {
                    Reference < XAccessible > rAccessibleCell = accessibleTable -> getAccessibleCellAt ( 0, n );
                    if ( rAccessibleCell.is() )
                    {
                        id cell_wrapper = [ AquaA11yFactory wrapperForAccessibleContext: rAccessibleCell -> getAccessibleContext() ];
                        [ cells addObject: cell_wrapper ];
                        [ cell_wrapper release ];
                    }
                }
                pResult = NSAccessibilityUnignoredChildren( cells );
            }
            catch (const Exception &) 
            {
                pResult = nil;
            }
            [ cells autorelease ];
        }
    }
    
    return pResult;
}

@end

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