chrome/browser/chromeos/login/multi_profile_user_controller.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_MULTI_PROFILE_USER_CONTROLLER_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_MULTI_PROFILE_USER_CONTROLLER_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/memory/scoped_vector.h"
  12
  13 class PrefChangeRegistrar;
  14 class PrefRegistrySimple;
  15 class PrefService;
  16 class Profile;
  17
  18 namespace user_prefs {
  19 class PrefRegistrySyncable;
  20 }
  21
  22 namespace chromeos {
  23
  24 class MultiProfileUserControllerDelegate;
  25 class UserManager;
  26
  27 // MultiProfileUserController decides whether a user is allowed to be in a
  28 // multi-profiles session. It caches the multiprofile user behavior pref backed
  29 // by user policy into local state so that the value is available before the
  30 // user login and checks if the meaning of the value is respected.
  31 class MultiProfileUserController {
  32  public:
  33   MultiProfileUserController(MultiProfileUserControllerDelegate* delegate,
  34                              PrefService* local_state);
  35   ~MultiProfileUserController();
  36
  37   static void RegisterPrefs(PrefRegistrySimple* registry);
  38   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
  39
  40   // Returns true if the user is allowed to be in the current session.
  41   bool IsUserAllowedInSession(const std::string& user_email) const;
  42
  43   // Starts to observe the multiprofile user behavior pref of the given profile.
  44   void StartObserving(Profile* user_profile);
  45
  46   // Removes the cached values for the given user.
  47   void RemoveCachedValues(const std::string& user_email);
  48
  49   // Possible behavior values.
  50   static const char kBehaviorUnrestricted[];
  51   static const char kBehaviorPrimaryOnly[];
  52   static const char kBehaviorNotAllowed[];
  53
  54  private:
  55   friend class MultiProfileUserControllerTest;
  56
  57   // Gets/sets the cached policy value.
  58   std::string GetCachedValue(const std::string& user_email) const;
  59   void SetCachedValue(const std::string& user_email,
  60                       const std::string& behavior);
  61
  62   // Checks if all users are allowed in the current session.
  63   void CheckSessionUsers();
  64
  65   // Invoked when user behavior pref value changes.
  66   void OnUserPrefChanged(Profile* profile);
  67
  68   MultiProfileUserControllerDelegate* delegate_;  // Not owned.
  69   PrefService* local_state_;  // Not owned.
  70   ScopedVector<PrefChangeRegistrar> pref_watchers_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(MultiProfileUserController);
  73 };
  74
  75 }  // namespace chromeos
  76
  77 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_MULTI_PROFILE_USER_CONTROLLER_H_