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| 1 // Copyright 2016 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 ASH_COMMON_SYSTEM_TRAY_TRAY_POPUP_ITEM_STYLE_OBSERVER_H_ | |
| 6 #define ASH_COMMON_SYSTEM_TRAY_TRAY_POPUP_ITEM_STYLE_OBSERVER_H_ | |
| 7 | |
| 8 namespace ash { | |
| 9 | |
| 10 class TrayPopupItemStyleObserver { | |
| 11 public: | |
| 12 // Notified by TrayPopupItemStyle instances when the Style is updated (even if | |
| 13 // the style values aren't changing). | |
| 14 virtual void OnTrayPopupItemStyleUpdated() = 0; | |
| 15 }; | |
| 16 | |
| 17 } // namespace ash | |
| 18 | |
| 19 #endif // ASH_COMMON_SYSTEM_TRAY_TRAY_POPUP_ITEM_STYLE_OBSERVER_H_ | |
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