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
|
// Copyright (c) 2012 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.
// IPC messages for accessibility.
// Multiply-included message file, hence no include guard.
#include "base/basictypes.h"
#include "content/common/accessibility_node_data.h"
#include "content/common/content_export.h"
#include "content/common/view_message_enums.h"
#include "content/public/common/common_param_traits.h"
#include "ipc/ipc_message_macros.h"
#include "ipc/ipc_message_utils.h"
#include "ipc/ipc_param_traits.h"
#include "ipc/param_traits_macros.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebPoint.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebRect.h"
#undef IPC_MESSAGE_EXPORT
#define IPC_MESSAGE_EXPORT CONTENT_EXPORT
#define IPC_MESSAGE_START AccessibilityMsgStart
#ifndef CONTENT_COMMON_ACCESSIBILITY_MESSAGES_H_
#define CONTENT_COMMON_ACCESSIBILITY_MESSAGES_H_
enum AccessibilityNotification {
// The active descendant of a node has changed.
AccessibilityNotificationActiveDescendantChanged,
// An alert appeared.
AccessibilityNotificationAlert,
// A node has lost focus.
AccessibilityNotificationBlur,
// The node checked state has changed.
AccessibilityNotificationCheckStateChanged,
// The node tree structure has changed.
AccessibilityNotificationChildrenChanged,
// The node in focus has changed.
AccessibilityNotificationFocusChanged,
// Page layout has completed.
AccessibilityNotificationLayoutComplete,
// Content within a part of the page marked as a live region changed.
AccessibilityNotificationLiveRegionChanged,
// The document node has loaded.
AccessibilityNotificationLoadComplete,
// A menu list selection changed.
AccessibilityNotificationMenuListItemSelected,
// A menu list value changed.
AccessibilityNotificationMenuListValueChanged,
// An object was shown.
AccessibilityNotificationObjectShow,
// An object was hidden.
AccessibilityNotificationObjectHide,
// The number of rows in a grid or tree control changed.
AccessibilityNotificationRowCountChanged,
// A row in a grid or tree control was collapsed.
AccessibilityNotificationRowCollapsed,
// A row in a grid or tree control was expanded.
AccessibilityNotificationRowExpanded,
// The document was scrolled to an anchor node.
AccessibilityNotificationScrolledToAnchor,
// One or more selected children of this node have changed.
AccessibilityNotificationSelectedChildrenChanged,
// The text cursor or selection changed.
AccessibilityNotificationSelectedTextChanged,
// Text was inserted in a node with text content.
AccessibilityNotificationTextInserted,
// Text was removed in a node with text content.
AccessibilityNotificationTextRemoved,
// The node value has changed.
AccessibilityNotificationValueChanged,
};
#endif // CONTENT_COMMON_ACCESSIBILITY_MESSAGES_H_
IPC_ENUM_TRAITS(AccessibilityNotification)
IPC_ENUM_TRAITS(content::AccessibilityNodeData::BoolAttribute)
IPC_ENUM_TRAITS(content::AccessibilityNodeData::FloatAttribute)
IPC_ENUM_TRAITS(content::AccessibilityNodeData::IntAttribute)
IPC_ENUM_TRAITS(content::AccessibilityNodeData::Role)
IPC_ENUM_TRAITS(content::AccessibilityNodeData::State)
IPC_ENUM_TRAITS(content::AccessibilityNodeData::StringAttribute)
IPC_STRUCT_TRAITS_BEGIN(content::AccessibilityNodeData)
IPC_STRUCT_TRAITS_MEMBER(id)
IPC_STRUCT_TRAITS_MEMBER(name)
IPC_STRUCT_TRAITS_MEMBER(value)
IPC_STRUCT_TRAITS_MEMBER(role)
IPC_STRUCT_TRAITS_MEMBER(state)
IPC_STRUCT_TRAITS_MEMBER(location)
IPC_STRUCT_TRAITS_MEMBER(string_attributes)
IPC_STRUCT_TRAITS_MEMBER(int_attributes)
IPC_STRUCT_TRAITS_MEMBER(float_attributes)
IPC_STRUCT_TRAITS_MEMBER(bool_attributes)
IPC_STRUCT_TRAITS_MEMBER(children)
IPC_STRUCT_TRAITS_MEMBER(indirect_child_ids)
IPC_STRUCT_TRAITS_MEMBER(html_attributes)
IPC_STRUCT_TRAITS_MEMBER(line_breaks)
IPC_STRUCT_TRAITS_MEMBER(cell_ids)
IPC_STRUCT_TRAITS_MEMBER(unique_cell_ids)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_BEGIN(AccessibilityHostMsg_NotificationParams)
// Type of notification.
IPC_STRUCT_MEMBER(AccessibilityNotification, notification_type)
// ID of the node that the notification applies to.
IPC_STRUCT_MEMBER(int, id)
// The accessibility node tree.
IPC_STRUCT_MEMBER(content::AccessibilityNodeData, acc_tree)
// Whether children are included in this tree, otherwise it's just an
// update to this one node and existing children are left in place.
IPC_STRUCT_MEMBER(bool, includes_children)
IPC_STRUCT_END()
// Messages sent from the browser to the renderer.
// Relay a request from assistive technology to set focus to a given node.
IPC_MESSAGE_ROUTED1(AccessibilityMsg_SetFocus,
int /* object id */)
// Relay a request from assistive technology to perform the default action
// on a given node.
IPC_MESSAGE_ROUTED1(AccessibilityMsg_DoDefaultAction,
int /* object id */)
// Relay a request from assistive technology to make a given object
// visible by scrolling as many scrollable containers as possible.
// In addition, if it's not possible to make the entire object visible,
// scroll so that the |subfocus| rect is visible at least. The subfocus
// rect is in local coordinates of the object itself.
IPC_MESSAGE_ROUTED2(AccessibilityMsg_ScrollToMakeVisible,
int /* object id */,
gfx::Rect /* subfocus */)
// Relay a request from assistive technology to move a given object
// to a specific location, in the WebContents area coordinate space, i.e.
// (0, 0) is the top-left corner of the WebContents.
IPC_MESSAGE_ROUTED2(AccessibilityMsg_ScrollToPoint,
int /* object id */,
gfx::Point /* new location */)
// Relay a request from assistive technology to set the cursor or
// selection within an editable text element.
IPC_MESSAGE_ROUTED3(AccessibilityMsg_SetTextSelection,
int /* object id */,
int /* New start offset */,
int /* New end offset */)
// Tells the render view that a AccessibilityHostMsg_Notifications
// message was processed and it can send addition notifications.
IPC_MESSAGE_ROUTED0(AccessibilityMsg_Notifications_ACK)
// Messages sent from the renderer to the browser.
// Sent to notify the browser about renderer accessibility notifications.
// The browser responds with a AccessibilityMsg_Notifications_ACK.
IPC_MESSAGE_ROUTED1(
AccessibilityHostMsg_Notifications,
std::vector<AccessibilityHostMsg_NotificationParams>)
|
