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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 COMPONENTS_INVALIDATION_INVALIDATOR_STORAGE_H_
#define COMPONENTS_INVALIDATION_INVALIDATOR_STORAGE_H_
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/threading/thread_checker.h"
#include "components/invalidation/invalidation_state_tracker.h"
class PrefRegistrySimple;
class PrefService;
namespace user_prefs {
class PrefRegistrySyncable;
}
namespace invalidation {
// Wraps PrefService in an InvalidationStateTracker to allow SyncNotifiers
// to use PrefService as persistence for invalidation state. It is not thread
// safe, and lives on the UI thread.
class InvalidatorStorage : public syncer::InvalidationStateTracker {
public:
// |pref_service| may not be NULL and must outlive |this|.
explicit InvalidatorStorage(PrefService* pref_service);
~InvalidatorStorage() override;
// Register prefs to be used by per-Profile instances of this class which
// store invalidation state in Profile prefs.
static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
// Register prefs to be used by a device-global instance of this class which
// stores invalidation state in local state. This is used on Chrome OS only.
static void RegisterPrefs(PrefRegistrySimple* registry);
// InvalidationStateTracker implementation.
void ClearAndSetNewClientId(const std::string& client_id) override;
std::string GetInvalidatorClientId() const override;
void SetBootstrapData(const std::string& data) override;
std::string GetBootstrapData() const override;
void SetSavedInvalidations(
const syncer::UnackedInvalidationsMap& map) override;
syncer::UnackedInvalidationsMap GetSavedInvalidations() const override;
void Clear() override;
private:
base::ThreadChecker thread_checker_;
PrefService* const pref_service_;
DISALLOW_COPY_AND_ASSIGN(InvalidatorStorage);
};
} // namespace invalidation
#endif // COMPONENTS_INVALIDATION_INVALIDATOR_STORAGE_H_
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