1 // Copyright 2014 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_SUPERVISED_USER_SUPERVISED_USER_PREF_MAPPING_SERVICE_H_ 6 #define CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_PREF_MAPPING_SERVICE_H_ 7 8 #include "base/callback.h" 9 #include "base/callback_list.h" 10 #include "base/memory/scoped_ptr.h" 11 #include "base/memory/weak_ptr.h" 12 #include "base/prefs/pref_change_registrar.h" 13 #include "chrome/browser/supervised_user/supervised_users.h" 14 #include "components/keyed_service/core/keyed_service.h" 15 16 class PrefService; 17 class SupervisedUserSharedSettingsService; 18 19 // SupervisedUserPrefMappingService maps shared supervised user settings to user 20 // preferences. When a shared supervised user setting is updated via sync, the 21 // corresponding local user preference is set to this new value. 22 class SupervisedUserPrefMappingService : public KeyedService { 23 public: 24 typedef base::CallbackList<void(const std::string&, const std::string&)> 25 CallbackList; 26 27 SupervisedUserPrefMappingService( 28 PrefService* prefs, 29 SupervisedUserSharedSettingsService* shared_settings); 30 virtual ~SupervisedUserPrefMappingService(); 31 32 // KeyedService implementation: 33 virtual void Shutdown() OVERRIDE; 34 35 void Init(); 36 37 // Updates the supervised user shared setting when the avatar has changed. 38 void OnAvatarChanged(); 39 40 // Called when a supervised user shared setting was changed by receiving new 41 // sync data. Updates the corresponding user pref. 42 void OnSharedSettingChanged(const std::string& su_id, const std::string& key); 43 44 private: 45 // Returns the current chrome avatar index that is stored as a supervised user 46 // shared setting, or -1 if no avatar index is stored. 47 int GetChromeAvatarIndex(); 48 49 PrefService* prefs_; 50 SupervisedUserSharedSettingsService* shared_settings_; 51 scoped_ptr<CallbackList::Subscription> subscription_; 52 std::string supervised_user_id_; 53 PrefChangeRegistrar pref_change_registrar_; 54 base::WeakPtrFactory<SupervisedUserPrefMappingService> weak_ptr_factory_; 55 56 DISALLOW_COPY_AND_ASSIGN(SupervisedUserPrefMappingService); 57 }; 58 59 #endif // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_PREF_MAPPING_SERVICE_H_ 60