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/accessibility_mode_enums.h" 9#include "content/common/content_export.h" 10 11namespace content { 12 13// Returns base accessibility mode constant, depends on OS version. 14CONTENT_EXPORT AccessibilityMode GetBaseAccessibilityMode(); 15 16// Adds the given accessibility mode constant to the given accessibility mode 17// bitmap. 18CONTENT_EXPORT AccessibilityMode 19 AddAccessibilityModeTo(AccessibilityMode to, AccessibilityMode mode_to_add); 20 21// Removes the given accessibility mode constant from the given accessibility 22// mode bitmap, managing the bits that are shared with other modes such that a 23// bit will only be turned off when all modes that depend on it have been 24// removed. 25CONTENT_EXPORT AccessibilityMode 26 RemoveAccessibilityModeFrom(AccessibilityMode to, 27 AccessibilityMode mode_to_remove); 28 29} // namespace content 30 31#endif // CONTENT_BROWSER_ACCESSIBILITY_ACCESSIBILITY_MODE_HELPER_H_ 32