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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef ASH_WM_SYSTEM_BACKGROUND_CONTROLLER_H_ | 5 #ifndef ASH_WM_SYSTEM_WALLPAPER_CONTROLLER_H_ |
6 #define ASH_WM_SYSTEM_BACKGROUND_CONTROLLER_H_ | 6 #define ASH_WM_SYSTEM_WALLPAPER_CONTROLLER_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "ash/ash_export.h" | 11 #include "ash/ash_export.h" |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
13 #include "third_party/skia/include/core/SkColor.h" | 13 #include "third_party/skia/include/core/SkColor.h" |
14 #include "ui/aura/window_observer.h" | 14 #include "ui/aura/window_observer.h" |
15 | 15 |
16 namespace ui { | 16 namespace ui { |
17 class Layer; | 17 class Layer; |
18 } | 18 } |
19 | 19 |
20 namespace ash { | 20 namespace ash { |
21 | 21 |
22 // SystemBackgroundController manages a ui::Layer that's stacked at the bottom | 22 // SystemWallpaperController manages a ui::Layer that's stacked at the bottom |
23 // of an aura::RootWindow's children. It exists solely to obscure portions of | 23 // of an aura::RootWindow's children. It exists solely to obscure portions of |
24 // the root layer that aren't covered by any other layers (e.g. before the | 24 // the root layer that aren't covered by any other layers (e.g. before the |
25 // desktop background image is loaded at startup, or when we scale down all of | 25 // wallpaper image is loaded at startup, or when we scale down all of the other |
26 // the other layers as part of a power-button or window-management animation). | 26 // layers as part of a power-button or window-management animation). |
27 // It should never be transformed or restacked. | 27 // It should never be transformed or restacked. |
28 class SystemBackgroundController : public aura::WindowObserver { | 28 class SystemWallpaperController : public aura::WindowObserver { |
29 public: | 29 public: |
30 SystemBackgroundController(aura::Window* root_window, SkColor color); | 30 SystemWallpaperController(aura::Window* root_window, SkColor color); |
31 ~SystemBackgroundController() override; | 31 ~SystemWallpaperController() override; |
32 | 32 |
33 void SetColor(SkColor color); | 33 void SetColor(SkColor color); |
34 | 34 |
35 // aura::WindowObserver overrides: | 35 // aura::WindowObserver overrides: |
36 void OnWindowBoundsChanged(aura::Window* root, | 36 void OnWindowBoundsChanged(aura::Window* root, |
37 const gfx::Rect& old_bounds, | 37 const gfx::Rect& old_bounds, |
38 const gfx::Rect& new_bounds) override; | 38 const gfx::Rect& new_bounds) override; |
39 | 39 |
40 private: | 40 private: |
41 class HostContentLayerDelegate; | 41 class HostContentLayerDelegate; |
42 | 42 |
43 aura::Window* root_window_; // not owned | 43 aura::Window* root_window_; // not owned |
44 | 44 |
45 std::unique_ptr<ui::Layer> layer_; | 45 std::unique_ptr<ui::Layer> layer_; |
46 | 46 |
47 DISALLOW_COPY_AND_ASSIGN(SystemBackgroundController); | 47 DISALLOW_COPY_AND_ASSIGN(SystemWallpaperController); |
48 }; | 48 }; |
49 | 49 |
50 } // namespace ash | 50 } // namespace ash |
51 | 51 |
52 #endif // ASH_WM_SYSTEM_BACKGROUND_CONTROLLER_H_ | 52 #endif // ASH_WM_SYSTEM_WALLPAPER_CONTROLLER_H_ |
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