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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_COMMON_WALLPAPER_WALLPAPER_CONTROLLER_H_ | 5 #ifndef ASH_COMMON_WALLPAPER_WALLPAPER_CONTROLLER_H_ |
6 #define ASH_COMMON_WALLPAPER_WALLPAPER_CONTROLLER_H_ | 6 #define ASH_COMMON_WALLPAPER_WALLPAPER_CONTROLLER_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "ash/ash_export.h" | 10 #include "ash/ash_export.h" |
11 #include "ash/common/shell_observer.h" | 11 #include "ash/common/shell_observer.h" |
12 #include "ash/common/wm_display_observer.h" | 12 #include "ash/common/wm_display_observer.h" |
13 #include "ash/public/interfaces/wallpaper.mojom.h" | 13 #include "ash/public/interfaces/wallpaper.mojom.h" |
14 #include "base/compiler_specific.h" | 14 #include "base/compiler_specific.h" |
15 #include "base/memory/ref_counted.h" | 15 #include "base/memory/ref_counted.h" |
16 #include "base/observer_list.h" | 16 #include "base/observer_list.h" |
17 #include "base/timer/timer.h" | 17 #include "base/timer/timer.h" |
| 18 #include "components/wallpaper/wallpaper_color_calculator_observer.h" |
18 #include "components/wallpaper/wallpaper_layout.h" | 19 #include "components/wallpaper/wallpaper_layout.h" |
| 20 #include "components/wallpaper/wallpaper_resizer_observer.h" |
19 #include "mojo/public/cpp/bindings/binding_set.h" | 21 #include "mojo/public/cpp/bindings/binding_set.h" |
| 22 #include "ui/gfx/color_analysis.h" |
20 #include "ui/gfx/image/image_skia.h" | 23 #include "ui/gfx/image/image_skia.h" |
21 | 24 |
22 namespace base { | 25 namespace base { |
23 class TaskRunner; | 26 class TaskRunner; |
24 } | 27 } |
25 | 28 |
26 namespace wallpaper { | 29 namespace wallpaper { |
| 30 class WallpaperColorCalculator; |
27 class WallpaperResizer; | 31 class WallpaperResizer; |
28 } | 32 } |
29 | 33 |
30 namespace ash { | 34 namespace ash { |
31 | 35 |
32 class WallpaperControllerObserver; | 36 class WallpaperControllerObserver; |
33 | 37 |
34 // Controls the desktop background wallpaper. | 38 // Controls the desktop background wallpaper. |
35 class ASH_EXPORT WallpaperController | 39 class ASH_EXPORT WallpaperController |
36 : public NON_EXPORTED_BASE(mojom::WallpaperController), | 40 : public NON_EXPORTED_BASE(mojom::WallpaperController), |
37 public WmDisplayObserver, | 41 public WmDisplayObserver, |
38 public ShellObserver { | 42 public ShellObserver, |
| 43 public wallpaper::WallpaperResizerObserver, |
| 44 public wallpaper::WallpaperColorCalculatorObserver { |
39 public: | 45 public: |
40 enum WallpaperMode { WALLPAPER_NONE, WALLPAPER_IMAGE }; | 46 enum WallpaperMode { WALLPAPER_NONE, WALLPAPER_IMAGE }; |
41 | 47 |
42 explicit WallpaperController( | 48 explicit WallpaperController( |
43 const scoped_refptr<base::TaskRunner>& task_runner); | 49 const scoped_refptr<base::TaskRunner>& task_runner); |
44 ~WallpaperController() override; | 50 ~WallpaperController() override; |
45 | 51 |
46 // Binds the mojom::WallpaperController interface request to this object. | 52 // Binds the mojom::WallpaperController interface request to this object. |
47 void BindRequest(mojom::WallpaperControllerRequest request); | 53 void BindRequest(mojom::WallpaperControllerRequest request); |
48 | 54 |
49 // Add/Remove observers. | 55 // Add/Remove observers. |
50 void AddObserver(WallpaperControllerObserver* observer); | 56 void AddObserver(WallpaperControllerObserver* observer); |
51 void RemoveObserver(WallpaperControllerObserver* observer); | 57 void RemoveObserver(WallpaperControllerObserver* observer); |
52 | 58 |
| 59 SkColor prominent_color() const { return prominent_color_; } |
| 60 |
53 // Provides current image on the wallpaper, or empty gfx::ImageSkia if there | 61 // Provides current image on the wallpaper, or empty gfx::ImageSkia if there |
54 // is no image, e.g. wallpaper is none. | 62 // is no image, e.g. wallpaper is none. |
55 gfx::ImageSkia GetWallpaper() const; | 63 gfx::ImageSkia GetWallpaper() const; |
56 | 64 |
57 wallpaper::WallpaperLayout GetWallpaperLayout() const; | 65 wallpaper::WallpaperLayout GetWallpaperLayout() const; |
58 | 66 |
59 // Sets the wallpaper and alerts observers of changes. | 67 // Sets the wallpaper and alerts observers of changes. |
60 void SetWallpaperImage(const gfx::ImageSkia& image, | 68 void SetWallpaperImage(const gfx::ImageSkia& image, |
61 wallpaper::WallpaperLayout layout); | 69 wallpaper::WallpaperLayout layout); |
62 | 70 |
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100 } | 108 } |
101 | 109 |
102 // Opens the set wallpaper page in the browser. | 110 // Opens the set wallpaper page in the browser. |
103 void OpenSetWallpaperPage(); | 111 void OpenSetWallpaperPage(); |
104 | 112 |
105 // mojom::WallpaperController overrides: | 113 // mojom::WallpaperController overrides: |
106 void SetWallpaperPicker(mojom::WallpaperPickerPtr picker) override; | 114 void SetWallpaperPicker(mojom::WallpaperPickerPtr picker) override; |
107 void SetWallpaper(const SkBitmap& wallpaper, | 115 void SetWallpaper(const SkBitmap& wallpaper, |
108 wallpaper::WallpaperLayout layout) override; | 116 wallpaper::WallpaperLayout layout) override; |
109 | 117 |
| 118 // WallpaperResizerObserver: |
| 119 void OnWallpaperResized() override; |
| 120 |
| 121 // WallpaperColorCalculatorObserver: |
| 122 void OnColorCalculationComplete() override; |
| 123 |
110 private: | 124 private: |
| 125 // Returns true if the shelf should be colored based on the wallpaper's |
| 126 // prominent color. |luma| and |saturation| are output parameters. |
| 127 static bool GetProminentColorProfile( |
| 128 color_utils::LumaRange* luma, |
| 129 color_utils::SaturationRange* saturation); |
| 130 |
111 // Creates a WallpaperWidgetController for |root_window|. | 131 // Creates a WallpaperWidgetController for |root_window|. |
112 void InstallDesktopController(WmWindow* root_window); | 132 void InstallDesktopController(WmWindow* root_window); |
113 | 133 |
114 // Creates a WallpaperWidgetController for all root windows. | 134 // Creates a WallpaperWidgetController for all root windows. |
115 void InstallDesktopControllerForAllWindows(); | 135 void InstallDesktopControllerForAllWindows(); |
116 | 136 |
117 // Moves the wallpaper to the specified container across all root windows. | 137 // Moves the wallpaper to the specified container across all root windows. |
118 // Returns true if a wallpaper moved. | 138 // Returns true if a wallpaper moved. |
119 bool ReparentWallpaper(int container); | 139 bool ReparentWallpaper(int container); |
120 | 140 |
121 // Returns the wallpaper container id for unlocked and locked states. | 141 // Returns the wallpaper container id for unlocked and locked states. |
122 int GetWallpaperContainerId(bool locked); | 142 int GetWallpaperContainerId(bool locked); |
123 | 143 |
124 // Reload the wallpaper. |clear_cache| specifies whether to clear the | 144 // Reload the wallpaper. |clear_cache| specifies whether to clear the |
125 // wallpaper cahce or not. | 145 // wallpaper cahce or not. |
126 void UpdateWallpaper(bool clear_cache); | 146 void UpdateWallpaper(bool clear_cache); |
127 | 147 |
| 148 // Sets |prominent_color_| and notifies the observers if there is a change. |
| 149 void SetProminentColor(SkColor color); |
| 150 |
| 151 // If enabled, will initiates an asynchronous task to extract colors from the |
| 152 // wallpaper. If an existing calculation is in progress it is destroyed. |
| 153 void CalculateWallpaperColors(); |
| 154 |
128 bool locked_; | 155 bool locked_; |
129 | 156 |
130 WallpaperMode wallpaper_mode_; | 157 WallpaperMode wallpaper_mode_; |
131 | 158 |
132 // Wallpaper picker interface in chrome browser, used to open the picker. | 159 // Wallpaper picker interface in chrome browser, used to open the picker. |
133 mojom::WallpaperPickerPtr wallpaper_picker_; | 160 mojom::WallpaperPickerPtr wallpaper_picker_; |
134 | 161 |
135 // Bindings for the WallpaperController interface. | 162 // Bindings for the WallpaperController interface. |
136 mojo::BindingSet<mojom::WallpaperController> bindings_; | 163 mojo::BindingSet<mojom::WallpaperController> bindings_; |
137 | 164 |
138 base::ObserverList<WallpaperControllerObserver> observers_; | 165 base::ObserverList<WallpaperControllerObserver> observers_; |
139 | 166 |
140 std::unique_ptr<wallpaper::WallpaperResizer> current_wallpaper_; | 167 std::unique_ptr<wallpaper::WallpaperResizer> current_wallpaper_; |
141 | 168 |
| 169 // Asynchronous task to extract colors from the wallpaper. |
| 170 std::unique_ptr<wallpaper::WallpaperColorCalculator> color_calculator_; |
| 171 |
| 172 // The prominent color extracted from the current wallpaper. |
| 173 // SK_ColorTRANSPARENT is used by default or if extracting colors fails. |
| 174 SkColor prominent_color_; |
| 175 |
142 gfx::Size current_max_display_size_; | 176 gfx::Size current_max_display_size_; |
143 | 177 |
144 base::OneShotTimer timer_; | 178 base::OneShotTimer timer_; |
145 | 179 |
146 int wallpaper_reload_delay_; | 180 int wallpaper_reload_delay_; |
147 | 181 |
148 scoped_refptr<base::TaskRunner> task_runner_; | 182 scoped_refptr<base::TaskRunner> task_runner_; |
149 | 183 |
150 DISALLOW_COPY_AND_ASSIGN(WallpaperController); | 184 DISALLOW_COPY_AND_ASSIGN(WallpaperController); |
151 }; | 185 }; |
152 | 186 |
153 } // namespace ash | 187 } // namespace ash |
154 | 188 |
155 #endif // ASH_COMMON_WALLPAPER_WALLPAPER_CONTROLLER_H_ | 189 #endif // ASH_COMMON_WALLPAPER_WALLPAPER_CONTROLLER_H_ |
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