| [email protected] | 9564021 | 2014-07-26 18:14:30 | [diff] [blame] | 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. |
| 10 | enum 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 | |
| 21 | enum 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_ |
