| // Copyright 2014 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 THIRD_PARTY_LIBADDRESSINPUT_CHROMIUM_CHROME_STORAGE_IMPL_H_ |
| #define THIRD_PARTY_LIBADDRESSINPUT_CHROMIUM_CHROME_STORAGE_IMPL_H_ |
| |
| #include <list> |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "base/scoped_observer.h" |
| #include "components/prefs/pref_store.h" |
| #include "third_party/libaddressinput/src/cpp/include/libaddressinput/storage.h" |
| |
| class WriteablePrefStore; |
| |
| namespace autofill { |
| |
| // An implementation of the Storage interface which passes through to an |
| // underlying WriteablePrefStore. |
| class ChromeStorageImpl : public ::i18n::addressinput::Storage, |
| public PrefStore::Observer { |
| public: |
| // |store| must outlive |this|. |
| explicit ChromeStorageImpl(WriteablePrefStore* store); |
| virtual ~ChromeStorageImpl(); |
| |
| // ::i18n::addressinput::Storage implementation. |
| virtual void Put(const std::string& key, std::string* data) override; |
| virtual void Get(const std::string& key, const Callback& data_ready) |
| const override; |
| |
| // PrefStore::Observer implementation. |
| virtual void OnPrefValueChanged(const std::string& key) override; |
| virtual void OnInitializationCompleted(bool succeeded) override; |
| |
| private: |
| struct Request { |
| Request(const std::string& key, const Callback& callback); |
| |
| std::string key; |
| const Callback& callback; |
| }; |
| |
| // Non-const version of Get(). |
| void DoGet(const std::string& key, const Callback& data_ready); |
| |
| WriteablePrefStore* backing_store_; // weak |
| |
| // Get requests that haven't yet been serviced. |
| std::vector<std::unique_ptr<Request>> outstanding_requests_; |
| |
| ScopedObserver<PrefStore, PrefStore::Observer> scoped_observer_{this}; |
| |
| DISALLOW_COPY_AND_ASSIGN(ChromeStorageImpl); |
| }; |
| |
| } // namespace autofill |
| |
| #endif // THIRD_PARTY_LIBADDRESSINPUT_CHROMIUM_CHROME_STORAGE_IMPL_H_ |