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| 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_MANAGED_MODE_MANAGED_USER_SHARED_SETTINGS_SERVICE_H_ | |
| 6 #define CHROME_BROWSER_MANAGED_MODE_MANAGED_USER_SHARED_SETTINGS_SERVICE_H_ | |
| 7 | |
| 8 #include "base/callback.h" | |
| 9 #include "base/callback_list.h" | |
| 10 #include "base/memory/scoped_ptr.h" | |
| 11 #include "chrome/browser/managed_mode/managed_users.h" | |
| 12 #include "components/keyed_service/core/keyed_service.h" | |
| 13 #include "sync/api/syncable_service.h" | |
| 14 | |
| 15 class PrefService; | |
| 16 | |
| 17 namespace base { | |
| 18 class DictionaryValue; | |
| 19 class Value; | |
| 20 } | |
| 21 | |
| 22 namespace user_prefs { | |
| 23 class PrefRegistrySyncable; | |
| 24 } | |
| 25 | |
| 26 // ManagedUserSharedSettingsService syncs settings (as key-value pairs) that can | |
| 27 // be modified both by a supervised user and their manager. | |
| 28 // A supervised user can only modify their own settings, whereas a manager can | |
| 29 // modify settings for all their supervised users. | |
| 30 // | |
| 31 // The shared settings are stored in the user preferences in a multi-level | |
| 32 // dictionary. The first level is the MU ID, the second level is the key for the | |
| 33 // setting, and the third level is a dictionary with a "value" key for the value | |
| 34 // and an "acknowledged" flag, which is used to wait for the Sync server to | |
| 35 // acknowledge that it has seen a setting change (see | |
| 36 // ManagedUserSharedSettingsUpdate for how to use this). | |
| 37 class ManagedUserSharedSettingsService : public KeyedService, | |
| 38 public syncer::SyncableService { | |
| 39 public: | |
| 40 // Called whenever a setting changes (see Subscribe() below). | |
| 41 typedef base::Callback<void(const std::string& /* mu_id */, | |
| 42 const std::string& /* key */)> ChangeCallback; | |
| 43 typedef base::CallbackList< | |
| 44 void(const std::string& /* mu_id */, const std::string& /* key */)> | |
| 45 ChangeCallbackList; | |
| 46 | |
| 47 // This constructor is public only for testing. Use | |
| 48 // |ManagedUserSyncServiceFactory::GetForProfile(...)| instead to get an | |
| 49 // instance of this service in production code. | |
| 50 explicit ManagedUserSharedSettingsService(PrefService* prefs); | |
| 51 virtual ~ManagedUserSharedSettingsService(); | |
| 52 | |
| 53 // Returns the value for the given |key| and the supervised user identified by | |
| 54 // |mu_id|. If either the supervised user or the key does not exist, NULL is | |
| 55 // returned. Note that if the profile that owns this service belongs to a | |
| 56 // supervised user, callers will only see settings for their own |mu_id|, i.e. | |
| 57 // a non-matching |mu_id| is treated as non-existent. | |
| 58 const base::Value* GetValue(const std::string& mu_id, const std::string& key); | |
| 59 | |
| 60 // Sets the value for the given |key| and the supervised user identified by | |
| 61 // |mu_id|. If the profile that owns this service belongs to a supervised | |
| 62 // user, |mu_id| must be their own. | |
| 63 void SetValue(const std::string& mu_id, | |
| 64 const std::string& key, | |
| 65 const base::Value& value); | |
| 66 | |
| 67 // Subscribes to changes in the synced settings. The callback will be notified | |
| 68 // whenever any setting for any supervised user is changed via Sync (but not | |
| 69 // for local changes). Subscribers should filter the settings and users they | |
| 70 // are interested in with the |mu_id| and |key| parameters to the callback. | |
| 71 scoped_ptr<ChangeCallbackList::Subscription> Subscribe( | |
| 72 const ChangeCallback& cb); | |
| 73 | |
| 74 static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); | |
| 75 | |
| 76 // Public for testing. | |
| 77 void SetValueInternal(const std::string& mu_id, | |
| 78 const std::string& key, | |
| 79 const base::Value& value, | |
| 80 bool acknowledged); | |
| 81 | |
| 82 // Public for testing. | |
| 83 static syncer::SyncData CreateSyncDataForSetting(const std::string& mu_id, | |
| 84 const std::string& key, | |
| 85 const base::Value& value, | |
| 86 bool acknowledged); | |
| 87 | |
| 88 // KeyedService implementation: | |
| 89 virtual void Shutdown() OVERRIDE; | |
| 90 | |
| 91 // SyncableService implementation: | |
| 92 virtual syncer::SyncMergeResult MergeDataAndStartSyncing( | |
| 93 syncer::ModelType type, | |
| 94 const syncer::SyncDataList& initial_sync_data, | |
| 95 scoped_ptr<syncer::SyncChangeProcessor> sync_processor, | |
| 96 scoped_ptr<syncer::SyncErrorFactory> error_handler) OVERRIDE; | |
| 97 virtual void StopSyncing(syncer::ModelType type) OVERRIDE; | |
| 98 virtual syncer::SyncDataList GetAllSyncData(syncer::ModelType type) const | |
| 99 OVERRIDE; | |
| 100 virtual syncer::SyncError ProcessSyncChanges( | |
| 101 const tracked_objects::Location& from_here, | |
| 102 const syncer::SyncChangeList& change_list) OVERRIDE; | |
| 103 | |
| 104 private: | |
| 105 friend class ManagedUserSharedSettingsUpdate; | |
| 106 | |
| 107 scoped_ptr<syncer::SyncChangeProcessor> sync_processor_; | |
| 108 scoped_ptr<syncer::SyncErrorFactory> error_handler_; | |
| 109 | |
| 110 ChangeCallbackList callbacks_; | |
| 111 | |
| 112 PrefService* prefs_; | |
| 113 }; | |
| 114 | |
| 115 #endif // CHROME_BROWSER_MANAGED_MODE_MANAGED_USER_SHARED_SETTINGS_SERVICE_H_ | |
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Chromium Code Reviews
Issue 335833003:
Rename "managed (mode|user)" to "supervised user" (part 2) (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src