Wallpaper manager backend APIs

chrome/browser/chromeos/login/wallpaper_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/login/wallpaper_manager.h"
 
 #include "ash/desktop_background/desktop_background_controller.h"
 #include "ash/desktop_background/desktop_background_resources.h"
 #include "ash/shell.h"
 #include "base/logging.h"
@@ skipping 49 matching lines @@
                  this,
                  &WallpaperManager::BatchUpdateWallpaper);
   }
 }
 
 void WallpaperManager::SetLastSelectedUser(
     const std::string& last_selected_user) {
   last_selected_user_ = last_selected_user;
 }
 
+void WallpaperManager::SetWallpaperFromFile(std::string email,
+                                            const std::string& path,
+                                            ash::WallpaperLayout layout) {
+  image_loader_->Start(
+      path, 0, false,
+      base::Bind(&WallpaperManager::OnCustomWallpaperLoaded,
+                 base::Unretained(this), email, layout));
+}
+
 void WallpaperManager::UserDeselected() {
   if (!UserManager::Get()->IsUserLoggedIn()) {
     // This will set default login wallpaper (#fefefe).
     ash::Shell::GetInstance()->desktop_background_controller()->
         SetDefaultWallpaper(ash::GetSolidColorIndex());
   }
 }
 
 // WallpaperManager, private: --------------------------------------------------
 
 WallpaperManager::~WallpaperManager() {
   DBusThreadManager::Get()->GetPowerManagerClient()->RemoveObserver(this);
   system::TimezoneSettings::GetInstance()->RemoveObserver(this);
 }
 
+void WallpaperManager::OnCustomWallpaperLoaded(const std::string& email,
+                                               ash::WallpaperLayout layout,
+                                               const UserImage& user_image) {
+  const SkBitmap& wallpaper = user_image.image();
+  ash::Shell::GetInstance()->desktop_background_controller()->
+      SetCustomWallpaper(wallpaper, layout);
+}
+
 void WallpaperManager::BatchUpdateWallpaper() {
   PrefService* local_state = g_browser_process->local_state();
   UserManager* user_manager = UserManager::Get();
   bool show_users = true;
   CrosSettings::Get()->GetBoolean(
       kAccountsPrefShowUserNamesOnSignIn, &show_users);
   if (local_state) {
     User::WallpaperType type;
     int index = 0;
     base::Time last_modification_date;
@@ skipping 29 matching lines @@
 
 void WallpaperManager::SystemResumed() {
   BatchUpdateWallpaper();
 }
 
 void WallpaperManager::TimezoneChanged(const icu::TimeZone& timezone) {
   RestartTimer();
 }
 
 }  // chromeos