| // Copyright 2016 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 ASH_SYSTEM_ACCESSIBILITY_OBSERVER_H_ |
| #define ASH_SYSTEM_ACCESSIBILITY_OBSERVER_H_ |
| |
| #include "ash/ash_export.h" |
| #include "ash/public/cpp/accessibility_types.h" |
| |
| namespace ash { |
| |
| class ASH_EXPORT AccessibilityObserver { |
| public: |
| virtual ~AccessibilityObserver() {} |
| |
| // Notifies when accessibility status changes. Used to: |
| // * Show the accessibility menu when any feature is enabled. |
| // * Show notifications when spoken feedback or braille is enabled. |
| // TODO(jamescook): Split into two methods. |
| virtual void OnAccessibilityStatusChanged( |
| AccessibilityNotificationVisibility notify) = 0; |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_SYSTEM_ACCESSIBILITY_OBSERVER_H_ |