OLD | NEW |
(Empty) | |
| 1 // Copyright 2017 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 SERVICES_PREFERENCES_PUBLIC_CPP_PERSISTENT_PREF_STORE_CLIENT_H_ |
| 6 #define SERVICES_PREFERENCES_PUBLIC_CPP_PERSISTENT_PREF_STORE_CLIENT_H_ |
| 7 |
| 8 #include <memory> |
| 9 #include <string> |
| 10 |
| 11 #include "base/macros.h" |
| 12 #include "components/prefs/persistent_pref_store.h" |
| 13 #include "services/preferences/public/cpp/pref_store_client_mixin.h" |
| 14 #include "services/preferences/public/interfaces/preferences.mojom.h" |
| 15 |
| 16 namespace base { |
| 17 class Value; |
| 18 class DictionaryValue; |
| 19 } |
| 20 |
| 21 namespace prefs { |
| 22 |
| 23 // An implementation of PersistentPrefStore backed by a |
| 24 // mojom::PersistentPrefStore and a mojom::PrefStoreObserver. |
| 25 class PersistentPrefStoreClient |
| 26 : public PrefStoreClientMixin<PersistentPrefStore> { |
| 27 public: |
| 28 explicit PersistentPrefStoreClient( |
| 29 mojom::PersistentPrefStoreConnectorPtr connector); |
| 30 |
| 31 // WriteablePrefStore: |
| 32 void SetValue(const std::string& key, |
| 33 std::unique_ptr<base::Value> value, |
| 34 uint32_t flags) override; |
| 35 void RemoveValue(const std::string& key, uint32_t flags) override; |
| 36 bool GetMutableValue(const std::string& key, base::Value** result) override; |
| 37 void ReportValueChanged(const std::string& key, uint32_t flags) override; |
| 38 void SetValueSilently(const std::string& key, |
| 39 std::unique_ptr<base::Value> value, |
| 40 uint32_t flags) override; |
| 41 |
| 42 // PersistentPrefStore: |
| 43 bool ReadOnly() const override; |
| 44 PrefReadError GetReadError() const override; |
| 45 PrefReadError ReadPrefs() override; |
| 46 void ReadPrefsAsync(ReadErrorDelegate* error_delegate) override; |
| 47 void CommitPendingWrite() override; |
| 48 void SchedulePendingLossyWrites() override; |
| 49 void ClearMutableValues() override; |
| 50 |
| 51 protected: |
| 52 // base::RefCounted<PrefStore>: |
| 53 ~PersistentPrefStoreClient() override; |
| 54 |
| 55 private: |
| 56 void OnCreateComplete(PrefReadError read_error, |
| 57 bool read_only, |
| 58 std::unique_ptr<base::DictionaryValue> cached_prefs, |
| 59 mojom::PersistentPrefStorePtr pref_store, |
| 60 mojom::PrefStoreObserverRequest observer_request); |
| 61 |
| 62 mojom::PersistentPrefStoreConnectorPtr connector_; |
| 63 bool read_only_ = false; |
| 64 PrefReadError read_error_ = PersistentPrefStore::PREF_READ_ERROR_NONE; |
| 65 mojom::PersistentPrefStorePtr pref_store_; |
| 66 |
| 67 std::unique_ptr<ReadErrorDelegate> error_delegate_; |
| 68 |
| 69 DISALLOW_COPY_AND_ASSIGN(PersistentPrefStoreClient); |
| 70 }; |
| 71 |
| 72 } // namespace prefs |
| 73 |
| 74 #endif // SERVICES_PREFERENCES_PUBLIC_CPP_PERSISTENT_PREF_STORE_CLIENT_H_ |
OLD | NEW |