1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CONTENT_COMMON_ACCESSIBILITY_MODE_ENUMS_H_
6#define CONTENT_COMMON_ACCESSIBILITY_MODE_ENUMS_H_
7
8// Note: keep enums in content/browser/resources/accessibility/accessibility.js
9// in sync with these two enums.
10enum AccessibilityModeFlag {
11  // Accessibility updates are processed to create platform trees and events are
12  // passed to platform APIs in the browser.
13  AccessibilityModeFlagPlatform = 1 << 0,
14
15  // Accessibility is on, and the full tree is computed. If this flag is off,
16  // only limited information about editable text nodes is sent to the browser
17  // process. Useful for implementing limited UIA on tablets.
18  AccessibilityModeFlagFullTree = 1 << 1,
19};
20
21enum AccessibilityMode {
22  // All accessibility is off.
23  AccessibilityModeOff = 0,
24
25  // Renderer accessibility is on, platform APIs are called, but only limited
26  // information is available (see AccessibilityModeFlagEditableTextOnly).
27  AccessibilityModeEditableTextOnly = AccessibilityModeFlagPlatform,
28
29  // Renderer accessibility is on, and platform APIs are called.
30  AccessibilityModeComplete =
31      AccessibilityModeFlagPlatform | AccessibilityModeFlagFullTree,
32
33  // Renderer accessibility is on, and events are passed to any extensions
34  // requesting automation, but not to platform accessibility.
35  AccessibilityModeTreeOnly = AccessibilityModeFlagFullTree,
36};
37
38#endif  // CONTENT_COMMON_ACCESSIBILITY_MODE_ENUMS_H_
39