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_BROWSER_ACCESSIBILITY_ACCESSIBILITY_MODE_HELPER_H_
6#define CONTENT_BROWSER_ACCESSIBILITY_ACCESSIBILITY_MODE_HELPER_H_
7
8#include "content/common/content_export.h"
9#include "content/common/view_message_enums.h"
10
11namespace content {
12
13// Adds the given accessibility mode constant to the given accessibility mode
14// bitmap.
15CONTENT_EXPORT AccessibilityMode
16    AddAccessibilityModeTo(AccessibilityMode to, AccessibilityMode mode_to_add);
17
18// Removes the given accessibility mode constant from the given accessibility
19// mode bitmap, managing the bits that are shared with other modes such that a
20// bit will only be turned off when all modes that depend on it have been
21// removed.
22CONTENT_EXPORT AccessibilityMode
23    RemoveAccessibilityModeFrom(AccessibilityMode to,
24                                AccessibilityMode mode_to_remove);
25
26} //  namespace content
27
28#endif  // CONTENT_BROWSER_ACCESSIBILITY_ACCESSIBILITY_MODE_HELPER_H_
29