Callback to function InitializeRegisteredDeviceWallpaper after cros settings can be trusted

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 <vector>
 
 #include "ash/shell.h"
 #include "base/command_line.h"
@@ skipping 198 matching lines @@
   // Zero delays is also set in autotests.
   if (WizardController::IsZeroDelayEnabled()) {
     // Ensure tests have some sort of wallpaper.
     ash::Shell::GetInstance()->desktop_background_controller()->
         CreateEmptyWallpaper();
     return;
   }
 
   bool disable_new_oobe = CommandLine::ForCurrentProcess()->
       HasSwitch(switches::kDisableNewOobe);
-  bool disable_boot_animation = CommandLine::ForCurrentProcess()->
-      HasSwitch(switches::kDisableBootAnimation);
 
   if (!user_manager->IsUserLoggedIn()) {
     if (!disable_new_oobe) {
       if (!WizardController::IsDeviceRegistered()) {
         SetDefaultWallpaper();
       } else {
-        bool show_users = true;
-        bool result = CrosSettings::Get()->GetBoolean(
-            kAccountsPrefShowUserNamesOnSignIn, &show_users);
-        DCHECK(result) << "Unable to fetch setting "
-                       << kAccountsPrefShowUserNamesOnSignIn;
-        const chromeos::UserList& users = user_manager->GetUsers();
-        if (!show_users || users.empty()) {
-          // Boot into sign in form, preload default wallpaper.
-          SetDefaultWallpaper();
-          return;
-        }
-
-        if (!disable_boot_animation) {
-          // Normal boot, load user wallpaper.
-          // If normal boot animation is disabled wallpaper would be set
-          // asynchronously once user pods are loaded.
-          SetUserWallpaper(users[0]->email());
-        }
+        InitializeRegisteredDeviceWallpaper();
       }
     }
     return;
   }
   SetUserWallpaper(user_manager->GetLoggedInUser()->email());
 }
 
 void WallpaperManager::Observe(int type,
                                const content::NotificationSource& source,
                                const content::NotificationDetails& details) {
@@ skipping 398 matching lines @@
   file_to_remove.push_back(wallpaper_path);
 
   base::WorkerPool::PostTask(
       FROM_HERE,
       base::Bind(&WallpaperManager::DeleteWallpaperInList,
                  base::Unretained(this),
                  file_to_remove),
       false);
 }
 
+void WallpaperManager::InitializeRegisteredDeviceWallpaper() {
+  if (CrosSettingsProvider::TEMPORARILY_UNTRUSTED ==
+      CrosSettings::Get()->PrepareTrustedValues(
+          base::Bind(&WallpaperManager::InitializeRegisteredDeviceWallpaper,
+                     base::Unretained(this)))) {
+    return;
+  }
+  bool disable_boot_animation = CommandLine::ForCurrentProcess()->
+      HasSwitch(switches::kDisableBootAnimation);
+  bool show_users = true;
+  bool result = CrosSettings::Get()->GetBoolean(
+      kAccountsPrefShowUserNamesOnSignIn, &show_users);
+  DCHECK(result) << "Unable to fetch setting "
+                 << kAccountsPrefShowUserNamesOnSignIn;
+  const chromeos::UserList& users = UserManager::Get()->GetUsers();
+  if (!show_users || users.empty()) {
+    // Boot into sign in form, preload default wallpaper.
+    SetDefaultWallpaper();
+    return;
+  }
+
+  if (!disable_boot_animation) {
+    // Normal boot, load user wallpaper.
+    // If normal boot animation is disabled wallpaper would be set
+    // asynchronously once user pods are loaded.
+    SetUserWallpaper(users[0]->email());
+  }
+}
+
 void WallpaperManager::LoadWallpaper(const std::string& email,
                                      const WallpaperInfo& info,
                                      bool update_wallpaper) {
   FilePath wallpaper_dir;
   FilePath wallpaper_path;
   if (info.type == User::ONLINE) {
     std::string file_name = GURL(info.file).ExtractFileName();
     ash::WallpaperResolution resolution = ash::Shell::GetInstance()->
         desktop_background_controller()->GetAppropriateResolution();
     // Only solid color wallpapers have stretch layout and they have only one
@@ skipping 232 matching lines @@
                           FROM_HERE,
                           base::Bind(&WallpaperManager::StartLoad,
                                      base::Unretained(this),
                                      email,
                                      info,
                                      update_wallpaper,
                                      valid_path));
 }
 
 }  // chromeos