| [email protected] | f58e31c5 | 2014-04-25 20:20:07 | [diff] [blame] | 1 | // Copyright (c) 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 UI_NATIVE_THEME_NATIVE_THEME_OBSERVER_H_ |
| 6 | #define UI_NATIVE_THEME_NATIVE_THEME_OBSERVER_H_ |
| 7 | |
| 8 | #include "ui/native_theme/native_theme_export.h" |
| 9 | |
| 10 | namespace ui { |
| 11 | |
| 12 | class NativeTheme; |
| 13 | |
| 14 | // Observers which are notified when the native theme changes. |
| 15 | class NATIVE_THEME_EXPORT NativeThemeObserver { |
| 16 | public: |
| 17 | // Called when the native theme changes. The observed theme is passed so that |
| 18 | // observers may handle changes to their associated native theme instances. |
| 19 | virtual void OnNativeThemeUpdated(ui::NativeTheme* observed_theme) = 0; |
| 20 | |
| 21 | protected: |
| 22 | virtual ~NativeThemeObserver(); |
| 23 | }; |
| 24 | |
| 25 | } // namespace ui |
| 26 | |
| 27 | #endif // UI_NATIVE_THEME_NATIVE_THEME_OBSERVER_H_ |
