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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PERFORMANCE_MANAGER_PERSISTENCE_SITE_DATA_SITE_DATA_STORE_H_
#define COMPONENTS_PERFORMANCE_MANAGER_PERSISTENCE_SITE_DATA_SITE_DATA_STORE_H_
#include <optional>
#include <vector>
#include "base/functional/callback_forward.h"
#include "components/performance_manager/persistence/site_data/site_data.pb.h"
#include "url/origin.h"
class SiteDataProto;
namespace performance_manager {
// Interface for an on-disk SiteData store.
class SiteDataStore {
public:
// Callback to call once the initialization from the store has completed,
// |site_data_proto| should be equal to std::nullopt if the initialization
// has failed.
using ReadSiteDataFromStoreCallback =
base::OnceCallback<void(std::optional<SiteDataProto> site_data_proto)>;
using GetStoreSizeCallback =
base::OnceCallback<void(std::optional<int64_t> num_rows,
std::optional<int64_t> on_disk_size_kb)>;
SiteDataStore() = default;
virtual ~SiteDataStore() = default;
// Checks the if there's an entry with the key |origin| and if pass the
// corresponding proto to |callback|.
virtual void ReadSiteDataFromStore(
const url::Origin& origin,
ReadSiteDataFromStoreCallback callback) = 0;
// Store an entry in the store, create it if it doesn't exist and update it it
// it does.
virtual void WriteSiteDataIntoStore(const url::Origin& origin,
const SiteDataProto& site_data_proto) = 0;
// Removes some entries from the store.
virtual void RemoveSiteDataFromStore(
const std::vector<url::Origin>& site_origins) = 0;
// Clear the store, removes every entries that it contains.
virtual void ClearStore() = 0;
// Retrieve the size of the store.
virtual void GetStoreSize(GetStoreSizeCallback callback) = 0;
// Set a callback that will be called once the data store has been fully
// initialized.
virtual void SetInitializationCallbackForTesting(
base::OnceClosure callback) = 0;
};
} // namespace performance_manager
#endif // COMPONENTS_PERFORMANCE_MANAGER_PERSISTENCE_SITE_DATA_SITE_DATA_STORE_H_
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