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| 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_MANAGED_MODE_MANAGED_USER_SYNC_SERVICE_H_ | |
| 6 #define CHROME_BROWSER_MANAGED_MODE_MANAGED_USER_SYNC_SERVICE_H_ | |
| 7 | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "base/callback_forward.h" | |
| 11 #include "base/memory/scoped_ptr.h" | |
| 12 #include "base/observer_list.h" | |
| 13 #include "base/prefs/pref_change_registrar.h" | |
| 14 #include "chrome/browser/managed_mode/managed_user_sync_service_observer.h" | |
| 15 #include "chrome/browser/managed_mode/managed_users.h" | |
| 16 #include "components/keyed_service/core/keyed_service.h" | |
| 17 #include "sync/api/syncable_service.h" | |
| 18 | |
| 19 namespace base { | |
| 20 class DictionaryValue; | |
| 21 } | |
| 22 | |
| 23 namespace user_prefs { | |
| 24 class PrefRegistrySyncable; | |
| 25 } | |
| 26 | |
| 27 class PrefService; | |
| 28 | |
| 29 class ManagedUserSyncService : public KeyedService, | |
| 30 public syncer::SyncableService { | |
| 31 public: | |
| 32 // For use with GetManagedUsersAsync() below. | |
| 33 typedef base::Callback<void(const base::DictionaryValue*)> | |
| 34 ManagedUsersCallback; | |
| 35 | |
| 36 // Dictionary keys for entry values of |prefs::kManagedUsers|. | |
| 37 static const char kAcknowledged[]; | |
| 38 static const char kChromeAvatar[]; | |
| 39 static const char kChromeOsAvatar[]; | |
| 40 static const char kMasterKey[]; | |
| 41 static const char kPasswordSignatureKey[]; | |
| 42 static const char kPasswordEncryptionKey[]; | |
| 43 static const char kName[]; | |
| 44 | |
| 45 // Represents a non-existing avatar on Chrome and Chrome OS. | |
| 46 static const int kNoAvatar; | |
| 47 | |
| 48 virtual ~ManagedUserSyncService(); | |
| 49 | |
| 50 static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); | |
| 51 | |
| 52 // Extracts the avatar index from the input |avatar_str| and set | |
| 53 // |avatar_index| to hold the extracted value. Returns true if the | |
| 54 // index was extracted successfully and false otherwise. | |
| 55 // |avatar_str| should have the format: "chrome-avatar-index:INDEX" | |
| 56 // where INDEX is the integer to be extracted. |avatar_str| can be empty | |
| 57 // in case there is no avatar synced for a managed user in which case | |
| 58 // |avatar_index| is set to -1. | |
| 59 static bool GetAvatarIndex(const std::string& avatar_str, | |
| 60 int* avatar_index); | |
| 61 | |
| 62 // Given an |avatar_index|, it returns a string of the form: | |
| 63 // "chrome-avatar-index:INDEX" where INDEX = |avatar_index|. | |
| 64 // It is exposed for testing purposes only. | |
| 65 static std::string BuildAvatarString(int avatar_index); | |
| 66 | |
| 67 void AddObserver(ManagedUserSyncServiceObserver* observer); | |
| 68 void RemoveObserver(ManagedUserSyncServiceObserver* observer); | |
| 69 | |
| 70 void AddManagedUser(const std::string& id, | |
| 71 const std::string& name, | |
| 72 const std::string& master_key, | |
| 73 const std::string& password_signature_key, | |
| 74 const std::string& password_encryption_key, | |
| 75 int avatar_index); | |
| 76 void UpdateManagedUser(const std::string& id, | |
| 77 const std::string& name, | |
| 78 const std::string& master_key, | |
| 79 const std::string& signature_key, | |
| 80 const std::string& encryption_key, | |
| 81 int avatar_index); | |
| 82 | |
| 83 void DeleteManagedUser(const std::string& id); | |
| 84 | |
| 85 // Updates the managed user avatar only if the managed user has | |
| 86 // no avatar and |avatar_index| is set to some value other than | |
| 87 // |kNoAvatar|. If |avatar_index| equals |kNoAvatar| and the | |
| 88 // managed user has an avatar, it will be cleared. However, | |
| 89 // to clear an avatar call the convenience method |ClearManagedUserAvatar()|. | |
| 90 // Returns true if the avatar value is changed (either updated or cleared) | |
| 91 // and false otherwise. | |
| 92 bool UpdateManagedUserAvatarIfNeeded(const std::string& id, int avatar_index); | |
| 93 void ClearManagedUserAvatar(const std::string& id); | |
| 94 | |
| 95 // Returns a dictionary containing all managed users managed by this | |
| 96 // custodian. This method should only be called once this service has started | |
| 97 // syncing managed users (i.e. has finished its initial merge of local and | |
| 98 // server-side data, via MergeDataAndStartSyncing), as the stored data might | |
| 99 // be outdated before that. | |
| 100 const base::DictionaryValue* GetManagedUsers(); | |
| 101 | |
| 102 // Calls the passed |callback| with a dictionary containing all managed users | |
| 103 // managed by this custodian. | |
| 104 void GetManagedUsersAsync(const ManagedUsersCallback& callback); | |
| 105 | |
| 106 // KeyedService implementation: | |
| 107 virtual void Shutdown() OVERRIDE; | |
| 108 | |
| 109 // SyncableService implementation: | |
| 110 virtual syncer::SyncMergeResult MergeDataAndStartSyncing( | |
| 111 syncer::ModelType type, | |
| 112 const syncer::SyncDataList& initial_sync_data, | |
| 113 scoped_ptr<syncer::SyncChangeProcessor> sync_processor, | |
| 114 scoped_ptr<syncer::SyncErrorFactory> error_handler) OVERRIDE; | |
| 115 virtual void StopSyncing(syncer::ModelType type) OVERRIDE; | |
| 116 virtual syncer::SyncDataList GetAllSyncData(syncer::ModelType type) const | |
| 117 OVERRIDE; | |
| 118 virtual syncer::SyncError ProcessSyncChanges( | |
| 119 const tracked_objects::Location& from_here, | |
| 120 const syncer::SyncChangeList& change_list) OVERRIDE; | |
| 121 | |
| 122 private: | |
| 123 friend class ManagedUserSyncServiceFactory; | |
| 124 | |
| 125 // Use |ManagedUserSyncServiceFactory::GetForProfile(...)| to get an | |
| 126 // instance of this service. | |
| 127 explicit ManagedUserSyncService(PrefService* prefs); | |
| 128 | |
| 129 void OnLastSignedInUsernameChange(); | |
| 130 | |
| 131 scoped_ptr<base::DictionaryValue> CreateDictionary( | |
| 132 const std::string& name, | |
| 133 const std::string& master_key, | |
| 134 const std::string& signature_key, | |
| 135 const std::string& encryption_key, | |
| 136 int avatar_index); | |
| 137 | |
| 138 void UpdateManagedUserImpl(const std::string& id, | |
| 139 const std::string& name, | |
| 140 const std::string& master_key, | |
| 141 const std::string& signature_key, | |
| 142 const std::string& encryption_key, | |
| 143 int avatar_index, | |
| 144 bool add_user); | |
| 145 | |
| 146 void NotifyManagedUserAcknowledged(const std::string& managed_user_id); | |
| 147 void NotifyManagedUsersSyncingStopped(); | |
| 148 void NotifyManagedUsersChanged(); | |
| 149 | |
| 150 void DispatchCallbacks(); | |
| 151 | |
| 152 PrefService* prefs_; | |
| 153 PrefChangeRegistrar pref_change_registrar_; | |
| 154 | |
| 155 scoped_ptr<syncer::SyncChangeProcessor> sync_processor_; | |
| 156 scoped_ptr<syncer::SyncErrorFactory> error_handler_; | |
| 157 | |
| 158 ObserverList<ManagedUserSyncServiceObserver> observers_; | |
| 159 | |
| 160 std::vector<ManagedUsersCallback> callbacks_; | |
| 161 | |
| 162 DISALLOW_COPY_AND_ASSIGN(ManagedUserSyncService); | |
| 163 }; | |
| 164 | |
| 165 #endif // CHROME_BROWSER_MANAGED_MODE_MANAGED_USER_SYNC_SERVICE_H_ | |
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