OLD | NEW |
| (Empty) |
1 // Copyright (c) 2012 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_WALLPAPER_WALLPAPER_CONTROLLER_OBSERVER_H_ | |
6 #define ASH_COMMON_WALLPAPER_WALLPAPER_CONTROLLER_OBSERVER_H_ | |
7 | |
8 #include "ash/ash_export.h" | |
9 | |
10 namespace ash { | |
11 | |
12 class ASH_EXPORT WallpaperControllerObserver { | |
13 public: | |
14 // Invoked when the wallpaper data is changed. | |
15 virtual void OnWallpaperDataChanged() = 0; | |
16 | |
17 // Invoked when the colors extracted from the current wallpaper change. May | |
18 // be called as a side effect of changing the wallpaper on the | |
19 // WallpaperController, e.g. WallpaperController::SetWallpaperImage(). | |
20 virtual void OnWallpaperColorsChanged() {} | |
21 | |
22 protected: | |
23 virtual ~WallpaperControllerObserver() {} | |
24 }; | |
25 | |
26 } // namespace ash | |
27 | |
28 #endif // ASH_COMMON_WALLPAPER_WALLPAPER_CONTROLLER_OBSERVER_H_ | |
OLD | NEW |