| // 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. |
| |
| #ifndef CONTENT_COMMON_VIEW_MESSAGES_ENUMS_H_ |
| #define CONTENT_COMMON_VIEW_MESSAGES_ENUMS_H_ |
| |
| #include "ipc/ipc_message_macros.h" |
| |
| // Values that may be OR'd together to form the 'flags' parameter of a |
| // ViewHostMsg_UpdateRect_Params structure. |
| struct ViewHostMsg_UpdateRect_Flags { |
| enum { |
| IS_RESIZE_ACK = 1 << 0, |
| IS_REPAINT_ACK = 1 << 2, |
| }; |
| static bool is_resize_ack(int flags) { |
| return (flags & IS_RESIZE_ACK) != 0; |
| } |
| static bool is_repaint_ack(int flags) { |
| return (flags & IS_REPAINT_ACK) != 0; |
| } |
| }; |
| |
| // Note: keep enums in content/browser/resources/accessibility/accessibility.js |
| // in sync with these two enums. |
| enum AccessibilityModeFlag { |
| // Accessibility updates are processed to create platform trees and events are |
| // passed to platform APIs in the browser. |
| AccessibilityModeFlagPlatform = 1 << 0, |
| |
| // Accessibility is on, and the full tree is computed. If this flag is off, |
| // only limited information about editable text nodes is sent to the browser |
| // process. Useful for implementing limited UIA on tablets. |
| AccessibilityModeFlagFullTree = 1 << 1, |
| }; |
| |
| enum AccessibilityMode { |
| // All accessibility is off. |
| AccessibilityModeOff = 0, |
| |
| // Renderer accessibility is on, platform APIs are called, but only limited |
| // information is available (see AccessibilityModeFlagEditableTextOnly). |
| AccessibilityModeEditableTextOnly = AccessibilityModeFlagPlatform, |
| |
| // Renderer accessibility is on, and platform APIs are called. |
| AccessibilityModeComplete = |
| AccessibilityModeFlagPlatform | AccessibilityModeFlagFullTree, |
| |
| // Renderer accessibility is on, and events are passed to any extensions |
| // requesting automation, but not to platform accessibility. |
| AccessibilityModeTreeOnly = AccessibilityModeFlagFullTree, |
| }; |
| |
| #endif // CONTENT_COMMON_VIEW_MESSAGES_ENUMS_H_ |