| // Copyright (c) 2012 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. |
| // |
| // Wraps PrefService in an InvalidationStateTracker to allow SyncNotifiers |
| // to use PrefService as persistence for invalidation state. It is not thread |
| // safe, and lives on the UI thread. |
| |
| #ifndef CHROME_BROWSER_INVALIDATION_INVALIDATOR_STORAGE_H_ |
| #define CHROME_BROWSER_INVALIDATION_INVALIDATOR_STORAGE_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/gtest_prod_util.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/threading/thread_checker.h" |
| #include "sync/notifier/invalidation_state_tracker.h" |
| |
| class PrefService; |
| |
| namespace base { |
| class DictionaryValue; |
| class ListValue; |
| } |
| |
| namespace user_prefs { |
| class PrefRegistrySyncable; |
| } |
| |
| namespace invalidation { |
| |
| class InvalidatorStorage : public base::SupportsWeakPtr<InvalidatorStorage>, |
| public syncer::InvalidationStateTracker { |
| public: |
| static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); |
| |
| // |pref_service| may be NULL (for unit tests), but in that case no setter |
| // methods should be called. Does not own |pref_service|. |
| explicit InvalidatorStorage(PrefService* pref_service); |
| virtual ~InvalidatorStorage(); |
| |
| // InvalidationStateTracker implementation. |
| virtual syncer::InvalidationStateMap GetAllInvalidationStates() const |
| OVERRIDE; |
| virtual void SetMaxVersionAndPayload(const invalidation::ObjectId& id, |
| int64 max_version, |
| const std::string& payload) OVERRIDE; |
| virtual void Forget(const syncer::ObjectIdSet& ids) OVERRIDE; |
| virtual void SetInvalidatorClientId(const std::string& client_id) OVERRIDE; |
| virtual std::string GetInvalidatorClientId() const OVERRIDE; |
| virtual void SetBootstrapData(const std::string& data) OVERRIDE; |
| virtual std::string GetBootstrapData() const OVERRIDE; |
| virtual void Clear() OVERRIDE; |
| virtual void GenerateAckHandles( |
| const syncer::ObjectIdSet& ids, |
| const scoped_refptr<base::TaskRunner>& task_runner, |
| base::Callback<void(const syncer::AckHandleMap&)> callback) OVERRIDE; |
| virtual void Acknowledge(const invalidation::ObjectId& id, |
| const syncer::AckHandle& ack_handle) OVERRIDE; |
| |
| private: |
| FRIEND_TEST_ALL_PREFIXES(InvalidatorStorageTest, SerializeEmptyMap); |
| FRIEND_TEST_ALL_PREFIXES(InvalidatorStorageTest, |
| DeserializeFromListOutOfRange); |
| FRIEND_TEST_ALL_PREFIXES(InvalidatorStorageTest, |
| DeserializeFromListInvalidFormat); |
| FRIEND_TEST_ALL_PREFIXES(InvalidatorStorageTest, |
| DeserializeFromListWithDuplicates); |
| FRIEND_TEST_ALL_PREFIXES(InvalidatorStorageTest, |
| DeserializeFromEmptyList); |
| FRIEND_TEST_ALL_PREFIXES(InvalidatorStorageTest, DeserializeFromListBasic); |
| FRIEND_TEST_ALL_PREFIXES(InvalidatorStorageTest, |
| DeserializeFromListMissingOptionalValues); |
| FRIEND_TEST_ALL_PREFIXES(InvalidatorStorageTest, DeserializeMapOutOfRange); |
| FRIEND_TEST_ALL_PREFIXES(InvalidatorStorageTest, DeserializeMapInvalidFormat); |
| FRIEND_TEST_ALL_PREFIXES(InvalidatorStorageTest, |
| DeserializeMapEmptyDictionary); |
| FRIEND_TEST_ALL_PREFIXES(InvalidatorStorageTest, DeserializeMapBasic); |
| FRIEND_TEST_ALL_PREFIXES(InvalidatorStorageTest, MigrateLegacyPreferences); |
| |
| base::ThreadChecker thread_checker_; |
| |
| // Helpers to convert between InvalidationStateMap <--> ListValue. |
| static void DeserializeFromList( |
| const base::ListValue& state_map_list, |
| syncer::InvalidationStateMap* state_map); |
| static void SerializeToList( |
| const syncer::InvalidationStateMap& state_map, |
| base::ListValue* state_map_list); |
| |
| // Code for migrating from old MaxInvalidationVersions pref, which was a map |
| // from sync types to max invalidation versions. |
| void MigrateMaxInvalidationVersionsPref(); |
| static void DeserializeMap(const base::DictionaryValue* max_versions_dict, |
| syncer::InvalidationStateMap* map); |
| |
| // May be NULL. |
| PrefService* const pref_service_; |
| |
| DISALLOW_COPY_AND_ASSIGN(InvalidatorStorage); |
| }; |
| |
| } // namespace invalidation |
| |
| #endif // CHROME_BROWSER_INVALIDATION_INVALIDATOR_STORAGE_H_ |