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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // | 4 // |
5 // Wraps PrefService in an InvalidationStateTracker to allow SyncNotifiers | 5 // Wraps PrefService in an InvalidationStateTracker to allow SyncNotifiers |
6 // to use PrefService as persistence for invalidation state. It is not thread | 6 // to use PrefService as persistence for invalidation state. It is not thread |
7 // safe, and lives on the UI thread. | 7 // safe, and lives on the UI thread. |
8 | 8 |
9 #ifndef CHROME_BROWSER_SYNC_INVALIDATIONS_INVALIDATOR_STORAGE_H_ | 9 #ifndef CHROME_BROWSER_SYNC_INVALIDATIONS_INVALIDATOR_STORAGE_H_ |
10 #define CHROME_BROWSER_SYNC_INVALIDATIONS_INVALIDATOR_STORAGE_H_ | 10 #define CHROME_BROWSER_SYNC_INVALIDATIONS_INVALIDATOR_STORAGE_H_ |
11 | 11 |
12 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
13 #include "base/gtest_prod_util.h" | 13 #include "base/gtest_prod_util.h" |
14 #include "base/memory/weak_ptr.h" | 14 #include "base/memory/weak_ptr.h" |
15 #include "base/threading/thread_checker.h" | 15 #include "base/threading/thread_checker.h" |
16 #include "sync/notifier/invalidation_state_tracker.h" | 16 #include "sync/notifier/invalidation_state_tracker.h" |
17 | 17 |
18 class PrefService; | 18 class PrefServiceSyncable; |
19 | 19 |
20 namespace base { | 20 namespace base { |
21 class DictionaryValue; | 21 class DictionaryValue; |
22 class ListValue; | 22 class ListValue; |
23 } | 23 } |
24 | 24 |
25 namespace browser_sync { | 25 namespace browser_sync { |
26 | 26 |
27 // TODO(tim): Bug 124137. We may want to move this outside of sync/ into a | 27 // TODO(tim): Bug 124137. We may want to move this outside of sync/ into a |
28 // browser/invalidations directory, or re-organize to have a browser | 28 // browser/invalidations directory, or re-organize to have a browser |
29 // subdirectory that contains signin/ sync/ invalidations/ and other cloud | 29 // subdirectory that contains signin/ sync/ invalidations/ and other cloud |
30 // services. For now this is still tied to sync while we refactor, so minimize | 30 // services. For now this is still tied to sync while we refactor, so minimize |
31 // churn and keep it here. | 31 // churn and keep it here. |
32 class InvalidatorStorage : public base::SupportsWeakPtr<InvalidatorStorage>, | 32 class InvalidatorStorage : public base::SupportsWeakPtr<InvalidatorStorage>, |
33 public syncer::InvalidationStateTracker { | 33 public syncer::InvalidationStateTracker { |
34 public: | 34 public: |
35 // |pref_service| may be NULL (for unit tests), but in that case no setter | 35 // |pref_service| may be NULL (for unit tests), but in that case no setter |
36 // methods should be called. Does not own |pref_service|. | 36 // methods should be called. Does not own |pref_service|. |
37 explicit InvalidatorStorage(PrefService* pref_service); | 37 explicit InvalidatorStorage(PrefServiceSyncable* pref_service); |
38 virtual ~InvalidatorStorage(); | 38 virtual ~InvalidatorStorage(); |
39 | 39 |
40 // Erases invalidation versions and state stored on disk. | 40 // Erases invalidation versions and state stored on disk. |
41 void Clear(); | 41 void Clear(); |
42 | 42 |
43 // InvalidationStateTracker implementation. | 43 // InvalidationStateTracker implementation. |
44 virtual syncer::InvalidationStateMap GetAllInvalidationStates() const | 44 virtual syncer::InvalidationStateMap GetAllInvalidationStates() const |
45 OVERRIDE; | 45 OVERRIDE; |
46 virtual void SetMaxVersionAndPayload(const invalidation::ObjectId& id, | 46 virtual void SetMaxVersionAndPayload(const invalidation::ObjectId& id, |
47 int64 max_version, | 47 int64 max_version, |
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87 const syncer::InvalidationStateMap& state_map, | 87 const syncer::InvalidationStateMap& state_map, |
88 base::ListValue* state_map_list); | 88 base::ListValue* state_map_list); |
89 | 89 |
90 // Code for migrating from old MaxInvalidationVersions pref, which was a map | 90 // Code for migrating from old MaxInvalidationVersions pref, which was a map |
91 // from sync types to max invalidation versions. | 91 // from sync types to max invalidation versions. |
92 void MigrateMaxInvalidationVersionsPref(); | 92 void MigrateMaxInvalidationVersionsPref(); |
93 static void DeserializeMap(const base::DictionaryValue* max_versions_dict, | 93 static void DeserializeMap(const base::DictionaryValue* max_versions_dict, |
94 syncer::InvalidationStateMap* map); | 94 syncer::InvalidationStateMap* map); |
95 | 95 |
96 // May be NULL. | 96 // May be NULL. |
97 PrefService* const pref_service_; | 97 PrefServiceSyncable* const pref_service_; |
98 | 98 |
99 DISALLOW_COPY_AND_ASSIGN(InvalidatorStorage); | 99 DISALLOW_COPY_AND_ASSIGN(InvalidatorStorage); |
100 }; | 100 }; |
101 | 101 |
102 } // namespace browser_sync | 102 } // namespace browser_sync |
103 | 103 |
104 #endif // CHROME_BROWSER_SYNC_INVALIDATIONS_INVALIDATOR_STORAGE_H_ | 104 #endif // CHROME_BROWSER_SYNC_INVALIDATIONS_INVALIDATOR_STORAGE_H_ |
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