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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 #include "ash/desktop_background/desktop_background_controller.h" | 5 #include "ash/desktop_background/desktop_background_controller.h" |
6 | 6 |
7 #include "ash/ash_switches.h" | 7 #include "ash/ash_switches.h" |
8 #include "ash/desktop_background/desktop_background_controller_observer.h" | 8 #include "ash/desktop_background/desktop_background_controller_observer.h" |
9 #include "ash/desktop_background/desktop_background_view.h" | 9 #include "ash/desktop_background/desktop_background_view.h" |
10 #include "ash/desktop_background/desktop_background_widget_controller.h" | 10 #include "ash/desktop_background/desktop_background_widget_controller.h" |
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36 | 36 |
37 namespace ash { | 37 namespace ash { |
38 namespace { | 38 namespace { |
39 | 39 |
40 // How long to wait reloading the wallpaper after the max display has | 40 // How long to wait reloading the wallpaper after the max display has |
41 // changed? | 41 // changed? |
42 const int kWallpaperReloadDelayMs = 2000; | 42 const int kWallpaperReloadDelayMs = 2000; |
43 | 43 |
44 } // namespace | 44 } // namespace |
45 | 45 |
46 const int DesktopBackgroundController::kInvalidResourceID = -1; | |
47 | |
46 DesktopBackgroundController::DesktopBackgroundController() | 48 DesktopBackgroundController::DesktopBackgroundController() |
47 : locked_(false), | 49 : locked_(false), |
48 desktop_background_mode_(BACKGROUND_NONE), | 50 desktop_background_mode_(BACKGROUND_NONE), |
49 wallpaper_reload_delay_(kWallpaperReloadDelayMs) { | 51 wallpaper_reload_delay_(kWallpaperReloadDelayMs) { |
50 Shell::GetInstance()->display_controller()->AddObserver(this); | 52 Shell::GetInstance()->display_controller()->AddObserver(this); |
51 } | 53 } |
52 | 54 |
53 DesktopBackgroundController::~DesktopBackgroundController() { | 55 DesktopBackgroundController::~DesktopBackgroundController() { |
54 Shell::GetInstance()->display_controller()->RemoveObserver(this); | 56 Shell::GetInstance()->display_controller()->RemoveObserver(this); |
55 } | 57 } |
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91 } | 93 } |
92 | 94 |
93 InstallDesktopController(root_window); | 95 InstallDesktopController(root_window); |
94 } | 96 } |
95 | 97 |
96 bool DesktopBackgroundController::SetWallpaperImage(const gfx::ImageSkia& image, | 98 bool DesktopBackgroundController::SetWallpaperImage(const gfx::ImageSkia& image, |
97 WallpaperLayout layout) { | 99 WallpaperLayout layout) { |
98 VLOG(1) << "SetWallpaper: image_id=" << WallpaperResizer::GetImageId(image) | 100 VLOG(1) << "SetWallpaper: image_id=" << WallpaperResizer::GetImageId(image) |
99 << " layout=" << layout; | 101 << " layout=" << layout; |
100 | 102 |
101 if (WallpaperIsAlreadyLoaded(&image, kInvalidResourceID, layout)) { | 103 if (WallpaperIsAlreadyLoaded(&image, kInvalidResourceID, true, layout)) { |
Nikita (slow)
2014/04/15 12:39:24
nit: /* compare layouts */
Alexander Alekseev
2014/04/15 22:47:31
Done.
| |
102 VLOG(1) << "Wallpaper is already loaded"; | 104 VLOG(1) << "Wallpaper is already loaded"; |
103 return false; | 105 return false; |
104 } | 106 } |
105 | 107 |
106 current_wallpaper_.reset( | 108 current_wallpaper_.reset( |
107 new WallpaperResizer(image, GetMaxDisplaySizeInNative(), layout)); | 109 new WallpaperResizer(image, GetMaxDisplaySizeInNative(), layout)); |
108 current_wallpaper_->StartResize(); | 110 current_wallpaper_->StartResize(); |
109 | 111 |
110 FOR_EACH_OBSERVER(DesktopBackgroundControllerObserver, | 112 FOR_EACH_OBSERVER(DesktopBackgroundControllerObserver, |
111 observers_, | 113 observers_, |
112 OnWallpaperDataChanged()); | 114 OnWallpaperDataChanged()); |
113 SetDesktopBackgroundImageMode(); | 115 SetDesktopBackgroundImageMode(); |
114 return true; | 116 return true; |
115 } | 117 } |
116 | 118 |
117 bool DesktopBackgroundController::SetWallpaperResource(int resource_id, | 119 bool DesktopBackgroundController::SetWallpaperResource(int resource_id, |
118 WallpaperLayout layout) { | 120 WallpaperLayout layout) { |
119 VLOG(1) << "SetWallpaper: resource_id=" << resource_id | 121 VLOG(1) << "SetWallpaper: resource_id=" << resource_id |
120 << " layout=" << layout; | 122 << " layout=" << layout; |
121 | 123 |
122 if (WallpaperIsAlreadyLoaded(NULL, resource_id, layout)) { | 124 if (WallpaperIsAlreadyLoaded(NULL, resource_id, true, layout)) { |
Nikita (slow)
2014/04/15 12:39:24
nit: /* compare layouts */
Alexander Alekseev
2014/04/15 22:47:31
Done.
| |
123 VLOG(1) << "Wallpaper is already loaded"; | 125 VLOG(1) << "Wallpaper is already loaded"; |
124 return false; | 126 return false; |
125 } | 127 } |
126 current_wallpaper_.reset( | 128 current_wallpaper_.reset( |
127 new WallpaperResizer(resource_id, GetMaxDisplaySizeInNative(), layout)); | 129 new WallpaperResizer(resource_id, GetMaxDisplaySizeInNative(), layout)); |
128 current_wallpaper_->StartResize(); | 130 current_wallpaper_->StartResize(); |
129 | 131 |
130 FOR_EACH_OBSERVER(DesktopBackgroundControllerObserver, observers_, | 132 FOR_EACH_OBSERVER(DesktopBackgroundControllerObserver, observers_, |
131 OnWallpaperDataChanged()); | 133 OnWallpaperDataChanged()); |
132 SetDesktopBackgroundImageMode(); | 134 SetDesktopBackgroundImageMode(); |
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187 } | 189 } |
188 width = std::max(size_in_pixel.width(), width); | 190 width = std::max(size_in_pixel.width(), width); |
189 height = std::max(size_in_pixel.height(), height); | 191 height = std::max(size_in_pixel.height(), height); |
190 } | 192 } |
191 return gfx::Size(width, height); | 193 return gfx::Size(width, height); |
192 } | 194 } |
193 | 195 |
194 bool DesktopBackgroundController::WallpaperIsAlreadyLoaded( | 196 bool DesktopBackgroundController::WallpaperIsAlreadyLoaded( |
195 const gfx::ImageSkia* image, | 197 const gfx::ImageSkia* image, |
196 int resource_id, | 198 int resource_id, |
199 bool compare_layouts, | |
197 WallpaperLayout layout) const { | 200 WallpaperLayout layout) const { |
198 if (!current_wallpaper_.get()) | 201 if (!current_wallpaper_.get()) |
199 return false; | 202 return false; |
200 | 203 |
201 if (layout != current_wallpaper_->layout()) | 204 // Compare layouts only if necessary. |
205 if (compare_layouts && layout != current_wallpaper_->layout()) | |
202 return false; | 206 return false; |
203 | 207 |
204 if (image) { | 208 if (image) { |
205 return WallpaperResizer::GetImageId(*image) == | 209 return WallpaperResizer::GetImageId(*image) == |
206 current_wallpaper_->original_image_id(); | 210 current_wallpaper_->original_image_id(); |
207 } | 211 } |
208 | 212 |
209 return current_wallpaper_->resource_id() == resource_id; | 213 return current_wallpaper_->resource_id() == resource_id; |
210 } | 214 } |
211 | 215 |
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288 : kShellWindowId_DesktopBackgroundContainer; | 292 : kShellWindowId_DesktopBackgroundContainer; |
289 } | 293 } |
290 | 294 |
291 void DesktopBackgroundController::UpdateWallpaper() { | 295 void DesktopBackgroundController::UpdateWallpaper() { |
292 current_wallpaper_.reset(NULL); | 296 current_wallpaper_.reset(NULL); |
293 ash::Shell::GetInstance()->user_wallpaper_delegate()-> | 297 ash::Shell::GetInstance()->user_wallpaper_delegate()-> |
294 UpdateWallpaper(true /* clear cache */); | 298 UpdateWallpaper(true /* clear cache */); |
295 } | 299 } |
296 | 300 |
297 } // namespace ash | 301 } // namespace ash |
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