| // Copyright (c) 2014 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 UI_NATIVE_THEME_NATIVE_THEME_OBSERVER_H_ |
| #define UI_NATIVE_THEME_NATIVE_THEME_OBSERVER_H_ |
| |
| #include "ui/native_theme/native_theme_export.h" |
| |
| namespace ui { |
| |
| class NativeTheme; |
| |
| // Observers which are notified when the native theme changes. |
| class NATIVE_THEME_EXPORT NativeThemeObserver { |
| public: |
| // Called when the native theme changes. The observed theme is passed so that |
| // observers may handle changes to their associated native theme instances. |
| virtual void OnNativeThemeUpdated(ui::NativeTheme* observed_theme) = 0; |
| |
| protected: |
| virtual ~NativeThemeObserver(); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_NATIVE_THEME_NATIVE_THEME_OBSERVER_H_ |