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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 CHROME_BROWSER_CHROMEOS_LOGIN_WALLPAPER_MANAGER_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_WALLPAPER_MANAGER_H_ |
6 #define CHROME_BROWSER_CHROMEOS_LOGIN_WALLPAPER_MANAGER_H_ | 6 #define CHROME_BROWSER_CHROMEOS_LOGIN_WALLPAPER_MANAGER_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "ash/desktop_background/desktop_background_resources.h" | 10 #include "ash/desktop_background/desktop_background_resources.h" |
11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
| 12 #include "base/time.h" |
12 #include "base/timer.h" | 13 #include "base/timer.h" |
13 #include "chrome/browser/chromeos/login/user.h" | 14 #include "chrome/browser/chromeos/login/user.h" |
14 #include "chrome/browser/chromeos/login/user_image.h" | 15 #include "chrome/browser/chromeos/login/user_image.h" |
15 #include "chrome/browser/chromeos/login/user_image_loader.h" | 16 #include "chrome/browser/chromeos/login/user_image_loader.h" |
16 #include "chrome/browser/chromeos/power/resume_observer.h" | |
17 #include "chrome/browser/chromeos/system/timezone_settings.h" | 17 #include "chrome/browser/chromeos/system/timezone_settings.h" |
| 18 #include "chrome/browser/ui/webui/options2/chromeos/set_wallpaper_options_handle
r.h" |
| 19 #include "chromeos/dbus/power_manager_client.h" |
| 20 #include "content/public/browser/notification_observer.h" |
| 21 #include "content/public/browser/notification_registrar.h" |
| 22 #include "ui/gfx/image/image_skia.h" |
18 #include "unicode/timezone.h" | 23 #include "unicode/timezone.h" |
19 | 24 |
20 class PrefService; | 25 class PrefService; |
21 | 26 |
22 namespace chromeos { | 27 namespace chromeos { |
23 | 28 |
| 29 class UserImage; |
| 30 |
24 // This class maintains wallpapers for users who have logged into this Chrome | 31 // This class maintains wallpapers for users who have logged into this Chrome |
25 // OS device. | 32 // OS device. |
26 class WallpaperManager: public system::TimezoneSettings::Observer, | 33 class WallpaperManager: public system::TimezoneSettings::Observer, |
27 public chromeos::ResumeObserver { | 34 public chromeos::PowerManagerClient::Observer, |
| 35 public content::NotificationObserver { |
28 public: | 36 public: |
29 static WallpaperManager* Get(); | 37 static WallpaperManager* Get(); |
30 | 38 |
31 WallpaperManager(); | 39 WallpaperManager(); |
32 | 40 |
33 // Registers wallpaper manager preferences. | 41 // Registers wallpaper manager preferences. |
34 static void RegisterPrefs(PrefService* local_state); | 42 static void RegisterPrefs(PrefService* local_state); |
35 | 43 |
36 // Adds PowerManagerClient observer. It needs to be added after | 44 // Adds PowerManagerClient and TimeZoneSettings observers. It needs to be |
37 // PowerManagerClient initialized. | 45 // added after PowerManagerClient initialized. |
38 void AddPowerManagerClientObserver(); | 46 void AddObservers(); |
| 47 |
| 48 // Caches |email|'s wallpaper to memory if it is custom wallpaper. |
| 49 void CacheIfCustomWallpaper(const std::string& email); |
| 50 |
| 51 // Loads wallpaper asynchronously if the current wallpaper is not the |
| 52 // wallpaper of logged in user. |
| 53 void EnsureLoggedInUserWallpaperLoaded(); |
| 54 |
| 55 // Fetches |email|'s wallpaper from local disk. |
| 56 void FetchCustomWallpaper(const std::string& email); |
| 57 |
| 58 // Gets encoded custom wallpaper from cache. Returns true if success. |
| 59 bool GetCustomWallpaperFromCache(const std::string& email, |
| 60 gfx::ImageSkia* wallpaper); |
| 61 |
| 62 // Returns wallpaper/thumbnail filepath for the given user. |
| 63 FilePath GetWallpaperPathForUser(const std::string& username, |
| 64 bool is_thumbnail); |
| 65 |
| 66 // Gets the thumbnail of custom wallpaper from cache. |
| 67 gfx::ImageSkia GetCustomWallpaperThumbnail(const std::string& email); |
| 68 |
| 69 // Sets |type| and |index| to the value saved in local state for logged in |
| 70 // user. |
| 71 void GetLoggedInUserWallpaperProperties(User::WallpaperType* type, |
| 72 int* index, |
| 73 base::Time* last_modification_date); |
| 74 |
| 75 // Initializes wallpaper. If logged in, loads user's wallpaper. If not logged |
| 76 // in, uses a solid color wallpaper. If logged in as a stub user, uses an |
| 77 // empty wallpaper. |
| 78 void InitializeWallpaper(); |
| 79 |
| 80 // NotificationObserver overrides: |
| 81 virtual void Observe(int type, |
| 82 const content::NotificationSource& source, |
| 83 const content::NotificationDetails& details) OVERRIDE; |
39 | 84 |
40 // Starts a one shot timer which calls BatchUpdateWallpaper at next midnight. | 85 // Starts a one shot timer which calls BatchUpdateWallpaper at next midnight. |
41 // Cancel any previous timer if any. | 86 // Cancel any previous timer if any. |
42 void RestartTimer(); | 87 void RestartTimer(); |
43 | 88 |
| 89 // Tries to load user image from disk; if successful, sets it for the user, |
| 90 // and updates Local State. |
| 91 void SetUserWallpaperFromFile(const std::string& username, |
| 92 const FilePath& path, |
| 93 ash::WallpaperLayout layout, |
| 94 base::WeakPtr<WallpaperDelegate> delegate); |
| 95 |
| 96 // Set |email|'s wallpaper |type|, |index| and local date to local state. |
| 97 void SaveUserWallpaperProperties(const std::string& email, |
| 98 User::WallpaperType type, |
| 99 int index); |
| 100 |
| 101 // Sets one of the default wallpapers for the specified user and saves this |
| 102 // settings in local state. |
| 103 void SetInitialUserWallpaper(const std::string& username); |
| 104 |
44 // Saves |username| selected wallpaper information to local state. | 105 // Saves |username| selected wallpaper information to local state. |
45 void SaveUserWallpaperInfo(const std::string& username, | 106 void SaveUserWallpaperInfo(const std::string& username, |
46 const std::string& file_name, | 107 const std::string& file_name, |
47 ash::WallpaperLayout layout, | 108 ash::WallpaperLayout layout, |
48 User::WallpaperType type); | 109 User::WallpaperType type); |
49 | 110 |
50 // Sets last selected user on user pod row. | 111 // Sets last selected user on user pod row. |
51 void SetLastSelectedUser(const std::string& last_selected_user); | 112 void SetLastSelectedUser(const std::string& last_selected_user); |
52 | 113 |
53 // Sets wallpaper to the image file |path| points to. | 114 // Sets |email|'s wallpaper. |
54 void SetWallpaperFromFilePath(const std::string& path, | 115 void SetUserWallpaper(const std::string& email); |
55 ash::WallpaperLayout layout); | |
56 | 116 |
57 // Sets wallpaper to |wallpaper|. | 117 // Sets wallpaper to |wallpaper|. |
58 void SetWallpaperFromImageSkia(const gfx::ImageSkia& wallpaper, | 118 void SetWallpaperFromImageSkia(const gfx::ImageSkia& wallpaper, |
59 ash::WallpaperLayout layout); | 119 ash::WallpaperLayout layout); |
60 | 120 |
61 // User was deselected at login screen, reset wallpaper if needed. | 121 // User was deselected at login screen, reset wallpaper if needed. |
62 void UserDeselected(); | 122 void OnUserDeselected(); |
| 123 |
| 124 // User |email| was selected at login screen, load wallpaper. |
| 125 void OnUserSelected(const std::string& email); |
63 | 126 |
64 private: | 127 private: |
| 128 typedef std::map<std::string, gfx::ImageSkia> CustomWallpaperMap; |
| 129 |
65 virtual ~WallpaperManager(); | 130 virtual ~WallpaperManager(); |
66 | 131 |
67 void OnCustomWallpaperLoaded(const std::string& email, | |
68 ash::WallpaperLayout layout, | |
69 const UserImage& user_image); | |
70 | |
71 // Change the wallpapers for users who choose DAILY wallpaper type. Updates | 132 // Change the wallpapers for users who choose DAILY wallpaper type. Updates |
72 // current wallpaper if it changed. This function should be called at exactly | 133 // current wallpaper if it changed. This function should be called at exactly |
73 // at 0am if chromeos device is on. | 134 // at 0am if chromeos device is on. |
74 void BatchUpdateWallpaper(); | 135 void BatchUpdateWallpaper(); |
75 | 136 |
| 137 // Caches the decoded wallpaper to memory. |
| 138 void CacheWallpaper(const std::string& email, const UserImage& wallpaper); |
| 139 |
| 140 // Generates a 128x80 thumbnail and caches it. |
| 141 void CacheThumbnail(const std::string& email, |
| 142 const gfx::ImageSkia& wallpaper); |
| 143 |
| 144 // Sets wallpaper to the decoded wallpaper. |
| 145 void FetchWallpaper(const std::string& email, |
| 146 ash::WallpaperLayout layout, |
| 147 const UserImage& wallpaper); |
| 148 |
| 149 // Generates a 128x80 thumbnail and notifies delegate when ready. |
| 150 void GenerateUserWallpaperThumbnail(const std::string& email, |
| 151 User::WallpaperType type, |
| 152 base::WeakPtr<WallpaperDelegate> delegate, |
| 153 const gfx::ImageSkia& wallpaper); |
| 154 |
| 155 // Get wallpaper |type|, |index| and |last_modification_date| of |email| |
| 156 // from local state. |
| 157 void GetUserWallpaperProperties(const std::string& email, |
| 158 User::WallpaperType* type, |
| 159 int* index, |
| 160 base::Time* last_modification_date); |
| 161 |
| 162 // Updates the custom wallpaper thumbnail in wallpaper picker UI. |
| 163 void OnThumbnailUpdated(base::WeakPtr<WallpaperDelegate> delegate); |
| 164 |
| 165 // Saves wallpaper to |path|. |
| 166 void SaveWallpaper(const std::string& path, const UserImage& wallpaper); |
| 167 |
| 168 // Saves wallpaper to file, post task to generate thumbnail and updates local |
| 169 // state preferences. |
| 170 void SetWallpaper(const std::string& username, |
| 171 ash::WallpaperLayout layout, |
| 172 User::WallpaperType type, |
| 173 base::WeakPtr<WallpaperDelegate> delegate, |
| 174 const UserImage& wallpaper); |
| 175 |
76 // Sets wallpaper to image in |user_image| with |layout|. | 176 // Sets wallpaper to image in |user_image| with |layout|. |
77 void OnWallpaperLoaded(ash::WallpaperLayout layout, | 177 void OnWallpaperLoaded(ash::WallpaperLayout layout, |
78 const UserImage& user_image); | 178 const UserImage& user_image); |
79 | 179 |
80 // Loads user image from its file. | |
81 scoped_refptr<UserImageLoader> image_loader_; | |
82 | |
83 // Overridden from chromeos::ResumeObserver | 180 // Overridden from chromeos::ResumeObserver |
84 virtual void SystemResumed() OVERRIDE; | 181 virtual void SystemResumed() OVERRIDE; |
85 | 182 |
86 // Overridden from system::TimezoneSettings::Observer. | 183 // Overridden from system::TimezoneSettings::Observer. |
87 virtual void TimezoneChanged(const icu::TimeZone& timezone) OVERRIDE; | 184 virtual void TimezoneChanged(const icu::TimeZone& timezone) OVERRIDE; |
88 | 185 |
| 186 // Loads user wallpaper from its file. |
| 187 scoped_refptr<UserImageLoader> wallpaper_loader_; |
| 188 |
| 189 // Logged-in user wallpaper type. |
| 190 User::WallpaperType current_user_wallpaper_type_; |
| 191 |
| 192 // Logged-in user wallpaper index. |
| 193 int current_user_wallpaper_index_; |
| 194 |
| 195 // Caches custom wallpapers of users. Accessed only on UI thread. |
| 196 CustomWallpaperMap custom_wallpaper_cache_; |
| 197 |
| 198 CustomWallpaperMap custom_wallpaper_thumbnail_cache_; |
| 199 |
89 // The last selected user on user pod row. | 200 // The last selected user on user pod row. |
90 std::string last_selected_user_; | 201 std::string last_selected_user_; |
91 | 202 |
| 203 base::WeakPtrFactory<WallpaperManager> weak_factory_; |
| 204 |
| 205 content::NotificationRegistrar registrar_; |
| 206 |
92 base::OneShotTimer<WallpaperManager> timer_; | 207 base::OneShotTimer<WallpaperManager> timer_; |
93 | 208 |
94 DISALLOW_COPY_AND_ASSIGN(WallpaperManager); | 209 DISALLOW_COPY_AND_ASSIGN(WallpaperManager); |
95 }; | 210 }; |
96 | 211 |
97 } // namespace chromeos | 212 } // namespace chromeos |
98 | 213 |
99 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_WALLPAPER_MANAGER_H_ | 214 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_WALLPAPER_MANAGER_H_ |
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