Index: services/preferences/public/cpp/persistent_pref_store_client.h |
diff --git a/services/preferences/public/cpp/persistent_pref_store_client.h b/services/preferences/public/cpp/persistent_pref_store_client.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..7a1a29ab136f82d55d8a339f41d660049b462bd3 |
--- /dev/null |
+++ b/services/preferences/public/cpp/persistent_pref_store_client.h |
@@ -0,0 +1,74 @@ |
+// Copyright 2017 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. |
+ |
+#ifndef SERVICES_PREFERENCES_PUBLIC_CPP_PERSISTENT_PREF_STORE_CLIENT_H_ |
+#define SERVICES_PREFERENCES_PUBLIC_CPP_PERSISTENT_PREF_STORE_CLIENT_H_ |
+ |
+#include <memory> |
+#include <string> |
+ |
+#include "base/macros.h" |
+#include "components/prefs/persistent_pref_store.h" |
+#include "services/preferences/public/cpp/pref_store_client_mixin.h" |
+#include "services/preferences/public/interfaces/preferences.mojom.h" |
+ |
+namespace base { |
+class Value; |
+class DictionaryValue; |
+} |
+ |
+namespace prefs { |
+ |
+// An implementation of PersistentPrefStore backed by a |
+// mojom::PersistentPrefStore and a mojom::PrefStoreObserver. |
+class PersistentPrefStoreClient |
+ : public PrefStoreClientMixin<PersistentPrefStore> { |
+ public: |
+ explicit PersistentPrefStoreClient( |
+ mojom::PersistentPrefStoreConnectorPtr connector); |
+ |
+ // WriteablePrefStore: |
+ void SetValue(const std::string& key, |
+ std::unique_ptr<base::Value> value, |
+ uint32_t flags) override; |
+ void RemoveValue(const std::string& key, uint32_t flags) override; |
+ bool GetMutableValue(const std::string& key, base::Value** result) override; |
+ void ReportValueChanged(const std::string& key, uint32_t flags) override; |
+ void SetValueSilently(const std::string& key, |
+ std::unique_ptr<base::Value> value, |
+ uint32_t flags) override; |
+ |
+ // PersistentPrefStore: |
+ bool ReadOnly() const override; |
+ PrefReadError GetReadError() const override; |
+ PrefReadError ReadPrefs() override; |
+ void ReadPrefsAsync(ReadErrorDelegate* error_delegate) override; |
+ void CommitPendingWrite() override; |
+ void SchedulePendingLossyWrites() override; |
+ void ClearMutableValues() override; |
+ |
+ protected: |
+ // base::RefCounted<PrefStore>: |
+ ~PersistentPrefStoreClient() override; |
+ |
+ private: |
+ void OnCreateComplete(PrefReadError read_error, |
+ bool read_only, |
+ std::unique_ptr<base::DictionaryValue> cached_prefs, |
+ mojom::PersistentPrefStorePtr pref_store, |
+ mojom::PrefStoreObserverRequest observer_request); |
+ |
+ mojom::PersistentPrefStoreConnectorPtr connector_; |
+ bool read_only_ = false; |
+ PrefReadError read_error_ = PersistentPrefStore::PREF_READ_ERROR_NONE; |
+ mojom::PersistentPrefStorePtr pref_store_; |
+ |
+ std::unique_ptr<ReadErrorDelegate> error_delegate_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(PersistentPrefStoreClient); |
+}; |
+ |
+} // namespace prefs |
+ |
+#endif // SERVICES_PREFERENCES_PUBLIC_CPP_PERSISTENT_PREF_STORE_CLIENT_H_ |