[cros login] Split login related classes into subfolders.

chrome/browser/chromeos/login/multi_profile_user_controller.h

-// Copyright 2013 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.
-
-#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_MULTI_PROFILE_USER_CONTROLLER_H_
-#define CHROME_BROWSER_CHROMEOS_LOGIN_MULTI_PROFILE_USER_CONTROLLER_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_vector.h"
-
-class PrefChangeRegistrar;
-class PrefRegistrySimple;
-class PrefService;
-class Profile;
-
-namespace user_prefs {
-class PrefRegistrySyncable;
-}
-
-namespace chromeos {
-
-class MultiProfileUserControllerDelegate;
-class UserManager;
-
-// MultiProfileUserController decides whether a user is allowed to be in a
-// multi-profiles session. It caches the multi-profile user behavior pref backed
-// by user policy into local state so that the value is available before the
-// user login and checks if the meaning of the value is respected.
-class MultiProfileUserController {
- public:
-  // Return value of IsUserAllowedInSession().
-  enum UserAllowedInSessionResult {
-    // User is allowed in multi-profile session.
-    ALLOWED,
-
-    // Owner of the device is not allowed to be added as a secondary user.
-    NOT_ALLOWED_OWNER_AS_SECONDARY,
-
-    // Not allowed since it is potentially "tainted" with policy-pushed
-    // certificates.
-    NOT_ALLOWED_POLICY_CERT_TAINTED,
-
-    // Not allowed since primary user is already "tainted" with policy-pushed
-    // certificates.
-    NOT_ALLOWED_PRIMARY_POLICY_CERT_TAINTED,
-
-    // Not allowed since primary user policy forbids it to be part of
-    // multi-profiles session.
-    NOT_ALLOWED_PRIMARY_USER_POLICY_FORBIDS,
-
-    // Not allowed since user policy forbids this user being part of
-    // multi-profiles session. Either 'primary-only' or 'not-allowed'.
-    NOT_ALLOWED_POLICY_FORBIDS
-  };
-
-  MultiProfileUserController(MultiProfileUserControllerDelegate* delegate,
-                             PrefService* local_state);
-  ~MultiProfileUserController();
-
-  static void RegisterPrefs(PrefRegistrySimple* registry);
-  static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
-
-  // Returns the cached policy value for |user_email|.
-  std::string GetCachedValue(const std::string& user_email) const;
-
-  // Returns UserAllowedInSessionResult enum that describe whether the user is
-  // allowed to be in the current session.
-  UserAllowedInSessionResult IsUserAllowedInSession(
-      const std::string& user_email) const;
-
-  // Starts to observe the multiprofile user behavior pref of the given profile.
-  void StartObserving(Profile* user_profile);
-
-  // Removes the cached values for the given user.
-  void RemoveCachedValues(const std::string& user_email);
-
-  // Possible behavior values.
-  static const char kBehaviorUnrestricted[];
-  static const char kBehaviorPrimaryOnly[];
-  static const char kBehaviorNotAllowed[];
-
- private:
-  friend class MultiProfileUserControllerTest;
-
-  // Sets the cached policy value.
-  void SetCachedValue(const std::string& user_email,
-                      const std::string& behavior);
-
-  // Checks if all users are allowed in the current session.
-  void CheckSessionUsers();
-
-  // Invoked when user behavior pref value changes.
-  void OnUserPrefChanged(Profile* profile);
-
-  MultiProfileUserControllerDelegate* delegate_;  // Not owned.
-  PrefService* local_state_;  // Not owned.
-  ScopedVector<PrefChangeRegistrar> pref_watchers_;
-
-  DISALLOW_COPY_AND_ASSIGN(MultiProfileUserController);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_MULTI_PROFILE_USER_CONTROLLER_H_