Index: services/preferences/public/cpp/pref_store_adapter.h |
diff --git a/services/preferences/public/cpp/pref_store_adapter.h b/services/preferences/public/cpp/pref_store_adapter.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e850d42904732dc2fdcfb159266a594a3e3eca44 |
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+++ b/services/preferences/public/cpp/pref_store_adapter.h |
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+// 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_PREF_STORE_ADAPTER_H_ |
+#define SERVICES_PREFERENCES_PUBLIC_CPP_PREF_STORE_ADAPTER_H_ |
+ |
+#include <memory> |
+ |
+#include "base/macros.h" |
+#include "base/values.h" |
+#include "components/prefs/pref_store.h" |
+#include "services/preferences/public/cpp/pref_store_impl.h" |
+ |
+namespace prefs { |
+ |
+// Ties the life time of a |PrefStoreImpl| to a |PrefStore|. Otherwise acts as a |
+// |PrefStore|, forwarding all calls to the wrapped |PrefStore|. |
+class PrefStoreAdapter : public PrefStore { |
+ public: |
+ PrefStoreAdapter(scoped_refptr<PrefStore> pref_store, |
+ std::unique_ptr<PrefStoreImpl> impl); |
+ |
+ // PrefStore: |
+ void AddObserver(PrefStore::Observer* observer) override; |
+ void RemoveObserver(PrefStore::Observer* observer) override; |
+ bool HasObservers() const override; |
+ bool IsInitializationComplete() const override; |
+ bool GetValue(const std::string& key, |
+ const base::Value** result) const override; |
+ std::unique_ptr<base::DictionaryValue> GetValues() const override; |
+ |
+ private: |
+ ~PrefStoreAdapter() override; |
+ |
+ scoped_refptr<PrefStore> pref_store_; |
+ std::unique_ptr<PrefStoreImpl> impl_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(PrefStoreAdapter); |
+}; |
+ |
+} // namespace prefs |
+ |
+#endif // SERVICES_PREFERENCES_PUBLIC_CPP_PREF_STORE_ADAPTER_H_ |