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// 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 <string>
#include "base/macros.h"
#include "base/memory/scoped_vector.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.
ScopedVector<Request> outstanding_requests_;
ScopedObserver<PrefStore, ChromeStorageImpl> scoped_observer_;
DISALLOW_COPY_AND_ASSIGN(ChromeStorageImpl);
};
} // namespace autofill
#endif // THIRD_PARTY_LIBADDRESSINPUT_CHROMIUM_CHROME_STORAGE_IMPL_H_