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
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef mozilla_a11y_Accessible_inl_h_
#define mozilla_a11y_Accessible_inl_h_
#include "DocAccessible.h"
#include "ARIAMap.h"
#include "nsCoreUtils.h"
#ifdef A11Y_LOG
#include "Logging.h"
#endif
namespace mozilla {
namespace a11y {
inline mozilla::a11y::role
Accessible::Role()
{
const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
if (!roleMapEntry || roleMapEntry->roleRule != kUseMapRole)
return ARIATransformRole(NativeRole());
return ARIATransformRole(roleMapEntry->role);
}
inline bool
Accessible::HasARIARole() const
{
return mRoleMapEntryIndex != aria::NO_ROLE_MAP_ENTRY_INDEX;
}
inline bool
Accessible::IsARIARole(nsIAtom* aARIARole) const
{
const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
return roleMapEntry && roleMapEntry->Is(aARIARole);
}
inline bool
Accessible::HasStrongARIARole() const
{
const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
return roleMapEntry && roleMapEntry->roleRule == kUseMapRole;
}
inline const nsRoleMapEntry*
Accessible::ARIARoleMap() const
{
return aria::GetRoleMapFromIndex(mRoleMapEntryIndex);
}
inline mozilla::a11y::role
Accessible::ARIARole()
{
const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
if (!roleMapEntry || roleMapEntry->roleRule != kUseMapRole)
return mozilla::a11y::roles::NOTHING;
return ARIATransformRole(roleMapEntry->role);
}
inline void
Accessible::SetRoleMapEntry(const nsRoleMapEntry* aRoleMapEntry)
{
mRoleMapEntryIndex = aria::GetIndexFromRoleMap(aRoleMapEntry);
}
inline bool
Accessible::IsSearchbox() const
{
const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
return (roleMapEntry && roleMapEntry->Is(nsGkAtoms::searchbox)) ||
(mContent->IsHTMLElement(nsGkAtoms::input) &&
mContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,
nsGkAtoms::textInputType, eCaseMatters));
}
inline bool
Accessible::HasGenericType(AccGenericType aType) const
{
const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
return (mGenericTypes & aType) ||
(roleMapEntry && roleMapEntry->IsOfType(aType));
}
inline bool
Accessible::HasNumericValue() const
{
if (mStateFlags & eHasNumericValue)
return true;
const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
return roleMapEntry && roleMapEntry->valueRule != eNoValue;
}
inline void
Accessible::ScrollTo(uint32_t aHow) const
{
if (mContent)
nsCoreUtils::ScrollTo(mDoc->PresShell(), mContent, aHow);
}
inline bool
Accessible::InsertAfter(Accessible* aNewChild, Accessible* aRefChild)
{
MOZ_ASSERT(aNewChild, "No new child to insert");
if (aRefChild && aRefChild->Parent() != this) {
#ifdef A11Y_LOG
logging::TreeInfo("broken accessible tree", 0,
"parent", this, "prev sibling parent",
aRefChild->Parent(), "child", aNewChild, nullptr);
if (logging::IsEnabled(logging::eVerbose)) {
logging::Tree("TREE", "Document tree", mDoc);
logging::DOMTree("TREE", "DOM document tree", mDoc);
}
#endif
MOZ_ASSERT_UNREACHABLE("Broken accessible tree");
mDoc->UnbindFromDocument(aNewChild);
return false;
}
return InsertChildAt(aRefChild ? aRefChild->IndexInParent() + 1 : 0,
aNewChild);
}
} // namespace a11y
} // namespace mozilla
#endif
|
