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
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:expandtab:shiftwidth=2:tabstop=2:
*/
/* 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/. */
#include "ApplicationAccessible.h"
#include "LocalAccessible-inl.h"
#include "nsAccessibilityService.h"
#include "Relation.h"
#include "mozilla/a11y/Role.h"
#include "States.h"
#include "nsServiceManagerUtils.h"
#include "mozilla/dom/Document.h"
#include "mozilla/Components.h"
#include "nsGlobalWindowOuter.h"
#include "nsIStringBundle.h"
using namespace mozilla::a11y;
ApplicationAccessible::ApplicationAccessible()
: AccessibleWrap(nullptr, nullptr) {
mType = eApplicationType;
mAppInfo = do_GetService("@mozilla.org/xre/app-info;1");
MOZ_ASSERT(mAppInfo, "no application info");
}
////////////////////////////////////////////////////////////////////////////////
// nsIAccessible
ENameValueFlag ApplicationAccessible::DirectName(nsString& aName) const {
aName.Truncate();
nsCOMPtr<nsIStringBundleService> bundleService =
mozilla::components::StringBundle::Service();
NS_ASSERTION(bundleService, "String bundle service must be present!");
if (!bundleService) return eNameOK;
nsCOMPtr<nsIStringBundle> bundle;
nsresult rv = bundleService->CreateBundle(
"chrome://branding/locale/brand.properties", getter_AddRefs(bundle));
if (NS_FAILED(rv)) return eNameOK;
nsAutoString appName;
rv = bundle->GetStringFromName("brandShortName", appName);
if (NS_FAILED(rv) || appName.IsEmpty()) {
NS_WARNING("brandShortName not found, using default app name");
appName.AssignLiteral("Gecko based application");
}
aName.Assign(appName);
return eNameOK;
}
EDescriptionValueFlag ApplicationAccessible::Description(
nsString& aDescription) const {
aDescription.Truncate();
return eDescriptionOK;
}
void ApplicationAccessible::Value(nsString& aValue) const { aValue.Truncate(); }
uint64_t ApplicationAccessible::State() {
return IsDefunct() ? states::DEFUNCT : 0;
}
already_AddRefed<AccAttributes> ApplicationAccessible::NativeAttributes() {
RefPtr<AccAttributes> attributes = new AccAttributes();
return attributes.forget();
}
GroupPos ApplicationAccessible::GroupPosition() { return GroupPos(); }
LocalAccessible* ApplicationAccessible::LocalChildAtPoint(
int32_t aX, int32_t aY, EWhichChildAtPoint aWhichChild) {
return nullptr;
}
Accessible* ApplicationAccessible::FocusedChild() {
LocalAccessible* focus = FocusMgr()->FocusedLocalAccessible();
if (focus && focus->LocalParent() == this) {
return focus;
}
return nullptr;
}
Relation ApplicationAccessible::RelationByType(
RelationType aRelationType) const {
return Relation();
}
mozilla::LayoutDeviceIntRect ApplicationAccessible::Bounds() const {
return mozilla::LayoutDeviceIntRect();
}
nsRect ApplicationAccessible::BoundsInAppUnits() const { return nsRect(); }
////////////////////////////////////////////////////////////////////////////////
// LocalAccessible public methods
void ApplicationAccessible::Shutdown() { mAppInfo = nullptr; }
void ApplicationAccessible::ApplyARIAState(uint64_t* aState) const {}
role ApplicationAccessible::NativeRole() const { return roles::APP_ROOT; }
uint64_t ApplicationAccessible::NativeState() const { return 0; }
KeyBinding ApplicationAccessible::AccessKey() const { return KeyBinding(); }
void ApplicationAccessible::Init() {
// Basically children are kept updated by Append/RemoveChild method calls.
// However if there are open windows before accessibility was started
// then we need to make sure root accessibles for open windows are created so
// that all root accessibles are stored in application accessible children
// array.
nsGlobalWindowOuter::OuterWindowByIdTable* windowsById =
nsGlobalWindowOuter::GetWindowsTable();
if (!windowsById) {
return;
}
for (const auto& window : windowsById->Values()) {
if (window->GetDocShell() && window->IsRootOuterWindow()) {
if (RefPtr<dom::Document> docNode = window->GetExtantDoc()) {
GetAccService()->GetDocAccessible(docNode); // ensure creation
}
}
}
}
LocalAccessible* ApplicationAccessible::GetSiblingAtOffset(
int32_t aOffset, nsresult* aError) const {
if (aError) *aError = NS_OK; // fail peacefully
return nullptr;
}
|
