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_ 39