| // Copyright 2017 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_ACCESSIBILITY_AX_MODE_OBSERVER_H_ |
| #define UI_ACCESSIBILITY_AX_MODE_OBSERVER_H_ |
| |
| #include "base/observer_list_types.h" |
| #include "ui/accessibility/ax_export.h" |
| #include "ui/accessibility/ax_mode.h" |
| |
| namespace ui { |
| |
| class AX_EXPORT AXModeObserver : public base::CheckedObserver { |
| public: |
| ~AXModeObserver() override; |
| |
| // Notifies when accessibility mode changes. |
| virtual void OnAXModeAdded(AXMode mode) = 0; |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_ACCESSIBILITY_AX_MODE_OBSERVER_H_ |