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
|
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef WEBKIT_GLUE_WEBACCESSIBILITY_H_
#define WEBKIT_GLUE_WEBACCESSIBILITY_H_
#include <map>
#include <vector>
#include "base/string16.h"
#include "third_party/WebKit/WebKit/chromium/public/WebRect.h"
namespace WebKit {
class WebAccessibilityCache;
class WebAccessibilityObject;
}
namespace webkit_glue {
// A compact representation of the accessibility information for a
// single web object, in a form that can be serialized and sent from
// the renderer process to the browser process.
struct WebAccessibility {
public:
// An alphabetical enumeration of accessibility roles.
enum Role {
ROLE_NONE = 0,
ROLE_UNKNOWN,
ROLE_ALERT,
ROLE_ALERT_DIALOG,
ROLE_ANNOTATION,
ROLE_APPLICATION,
ROLE_ARTICLE,
ROLE_BROWSER,
ROLE_BUSY_INDICATOR,
ROLE_BUTTON,
ROLE_CELL,
ROLE_CHECKBOX,
ROLE_COLOR_WELL,
ROLE_COLUMN,
ROLE_COLUMN_HEADER,
ROLE_COMBO_BOX,
ROLE_DEFINITION_LIST_DEFINITION,
ROLE_DEFINITION_LIST_TERM,
ROLE_DIALOG,
ROLE_DIRECTORY,
ROLE_DISCLOSURE_TRIANGLE,
ROLE_DOCUMENT,
ROLE_DRAWER,
ROLE_EDITABLE_TEXT,
ROLE_GRID,
ROLE_GROUP,
ROLE_GROW_AREA,
ROLE_HEADING,
ROLE_HELP_TAG,
ROLE_IGNORED,
ROLE_IMAGE,
ROLE_IMAGE_MAP,
ROLE_IMAGE_MAP_LINK,
ROLE_INCREMENTOR,
ROLE_LANDMARK_APPLICATION,
ROLE_LANDMARK_BANNER,
ROLE_LANDMARK_COMPLEMENTARY,
ROLE_LANDMARK_CONTENTINFO,
ROLE_LANDMARK_MAIN,
ROLE_LANDMARK_NAVIGATION,
ROLE_LANDMARK_SEARCH,
ROLE_LINK,
ROLE_LIST,
ROLE_LISTBOX,
ROLE_LISTBOX_OPTION,
ROLE_LIST_ITEM,
ROLE_LIST_MARKER,
ROLE_LOG,
ROLE_MARQUEE,
ROLE_MATH,
ROLE_MATTE,
ROLE_MENU,
ROLE_MENU_BAR,
ROLE_MENU_ITEM,
ROLE_MENU_BUTTON,
ROLE_MENU_LIST_OPTION,
ROLE_MENU_LIST_POPUP,
ROLE_NOTE,
ROLE_OUTLINE,
ROLE_POPUP_BUTTON,
ROLE_PROGRESS_INDICATOR,
ROLE_RADIO_BUTTON,
ROLE_RADIO_GROUP,
ROLE_REGION,
ROLE_ROW,
ROLE_ROW_HEADER,
ROLE_RULER,
ROLE_RULER_MARKER,
ROLE_SCROLLAREA,
ROLE_SCROLLBAR,
ROLE_SHEET,
ROLE_SLIDER,
ROLE_SLIDER_THUMB,
ROLE_SPLITTER,
ROLE_SPLIT_GROUP,
ROLE_STATIC_TEXT,
ROLE_STATUS,
ROLE_SYSTEM_WIDE,
ROLE_TAB,
ROLE_TABLE,
ROLE_TABLE_HEADER_CONTAINER,
ROLE_TAB_GROUP,
ROLE_TAB_LIST,
ROLE_TAB_PANEL,
ROLE_TEXTAREA,
ROLE_TEXT_FIELD,
ROLE_TIMER,
ROLE_TOOLBAR,
ROLE_TOOLTIP,
ROLE_TREE,
ROLE_TREE_GRID,
ROLE_TREE_ITEM,
ROLE_VALUE_INDICATOR,
ROLE_WEBCORE_LINK,
ROLE_WEB_AREA,
ROLE_WINDOW,
NUM_ROLES
};
// An alphabetical enumeration of accessibility states.
// A state bitmask is formed by shifting 1 to the left by each state,
// for example:
// int mask = (1 << STATE_CHECKED) | (1 << STATE_FOCUSED);
enum State {
STATE_CHECKED,
STATE_COLLAPSED,
STATE_EXPANDED,
STATE_FOCUSABLE,
STATE_FOCUSED,
STATE_HASPOPUP,
STATE_HOTTRACKED,
STATE_INDETERMINATE,
STATE_INVISIBLE,
STATE_LINKED,
STATE_MULTISELECTABLE,
STATE_OFFSCREEN,
STATE_PRESSED,
STATE_PROTECTED,
STATE_READONLY,
STATE_SELECTABLE,
STATE_SELECTED,
STATE_TRAVERSED,
STATE_BUSY,
STATE_UNAVAILABLE
};
// Additional optional attributes that can be optionally attached to
// a node.
enum Attribute {
// Doc attributes: only make sense when applied to the top-level
// Document node.
ATTR_DOC_URL,
ATTR_DOC_TITLE,
ATTR_DOC_MIMETYPE,
ATTR_DOC_DOCTYPE,
ATTR_DOC_SCROLLX,
ATTR_DOC_SCROLLY,
// Editable text attributes
ATTR_TEXT_SEL_START,
ATTR_TEXT_SEL_END,
// Attributes that could apply to any node.
ATTR_ACTION,
ATTR_DESCRIPTION,
ATTR_DISPLAY,
ATTR_HELP,
ATTR_HTML_TAG,
ATTR_LINK_TARGET,
ATTR_SHORTCUT,
NUM_ATTRIBUTES
};
// Empty constructor, for serialization.
WebAccessibility();
// Construct from a WebAccessibilityObject. Recursively creates child
// nodes as needed to complete the tree. Adds |src| to |cache| and
// stores its cache ID.
WebAccessibility(const WebKit::WebAccessibilityObject& src,
WebKit::WebAccessibilityCache* cache,
bool include_children);
~WebAccessibility();
private:
// Initialize an already-created struct, same as the constructor a
void Init(const WebKit::WebAccessibilityObject& src,
WebKit::WebAccessibilityCache* cache,
bool include_children);
public:
// This is a simple serializable struct. All member variables should be
// copyable.
int32 id;
string16 name;
string16 value;
Role role;
uint32 state;
WebKit::WebRect location;
std::map<int32, string16> attributes;
std::vector<WebAccessibility> children;
std::vector<std::pair<string16, string16> > html_attributes;
};
} // namespace webkit_glue
#endif // WEBKIT_GLUE_WEBACCESSIBILITY_H_
|
