1 /*
2 * Copyright (C) 2009 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "config.h"
30 #include "AccessibilityARIAGridCell.h"
31
32 #include "AccessibilityObject.h"
33 #include "AccessibilityTableRow.h"
34
35 using namespace std;
36
37 namespace WebCore {
38
AccessibilityARIAGridCell(RenderObject * renderer)39 AccessibilityARIAGridCell::AccessibilityARIAGridCell(RenderObject* renderer)
40 : AccessibilityTableCell(renderer)
41 {
42 }
43
~AccessibilityARIAGridCell()44 AccessibilityARIAGridCell::~AccessibilityARIAGridCell()
45 {
46 }
47
create(RenderObject * renderer)48 PassRefPtr<AccessibilityARIAGridCell> AccessibilityARIAGridCell::create(RenderObject* renderer)
49 {
50 return adoptRef(new AccessibilityARIAGridCell(renderer));
51 }
52
parentTable() const53 AccessibilityObject* AccessibilityARIAGridCell::parentTable() const
54 {
55 AccessibilityObject* parent = parentObjectUnignored();
56 if (!parent || !parent->isTableRow())
57 return 0;
58
59 parent = parent->parentObjectUnignored();
60 if (!parent || !parent->isDataTable())
61 return 0;
62
63 return parent;
64 }
65
rowIndexRange(pair<int,int> & rowRange)66 void AccessibilityARIAGridCell::rowIndexRange(pair<int, int>& rowRange)
67 {
68 AccessibilityObject* parent = parentObjectUnignored();
69 if (!parent || !parent->isTableRow())
70 return;
71
72 // as far as I can tell, grid cells cannot span rows
73 rowRange.first = static_cast<AccessibilityTableRow*>(parent)->rowIndex();
74 rowRange.second = 1;
75 }
76
columnIndexRange(pair<int,int> & columnRange)77 void AccessibilityARIAGridCell::columnIndexRange(pair<int, int>& columnRange)
78 {
79 AccessibilityObject* parent = parentObjectUnignored();
80 if (!parent || !parent->isTableRow())
81 return;
82
83 AccessibilityChildrenVector siblings = parent->children();
84 unsigned childrenSize = siblings.size();
85 for (unsigned k = 0; k < childrenSize; ++k) {
86 if (siblings[k].get() == this) {
87 columnRange.first = k;
88 break;
89 }
90 }
91
92 // as far as I can tell, grid cells cannot span columns
93 columnRange.second = 1;
94 }
95
96 } // namespace WebCore
97