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// Copyright 2019 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_CACHE_H_
#define COMPONENTS_PERFORMANCE_MANAGER_PERSISTENCE_SITE_DATA_SITE_DATA_CACHE_H_
#include <memory>
#include "components/performance_manager/persistence/site_data/site_data_writer.h"
#include "components/performance_manager/persistence/site_data/tab_visibility.h"
#include "components/performance_manager/public/persistence/site_data/site_data_reader.h"
#include "url/origin.h"
namespace performance_manager {
// Pure virtual interface for a site data cache.
class SiteDataCache {
public:
SiteDataCache() = default;
SiteDataCache(const SiteDataCache&) = delete;
SiteDataCache& operator=(const SiteDataCache&) = delete;
virtual ~SiteDataCache() = default;
// Returns a SiteDataReader for the given origin.
virtual std::unique_ptr<SiteDataReader> GetReaderForOrigin(
const url::Origin& origin) = 0;
// Returns a SiteDataWriter for the given origin.
virtual std::unique_ptr<SiteDataWriter> GetWriterForOrigin(
const url::Origin& origin) = 0;
// Indicate if the SiteDataWriter served by this data cache actually persists
// information.
virtual bool IsRecording() const = 0;
// Returns the number of element in the cache.
virtual int Size() const = 0;
};
} // namespace performance_manager
#endif // COMPONENTS_PERFORMANCE_MANAGER_PERSISTENCE_SITE_DATA_SITE_DATA_CACHE_H_
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