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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_OFFLINE_ITEMS_COLLECTION_OFFLINE_CONTENT_AGGREGATOR_FACTORY_H_
#define CHROME_BROWSER_OFFLINE_ITEMS_COLLECTION_OFFLINE_CONTENT_AGGREGATOR_FACTORY_H_
#include <memory>
#include "components/keyed_service/core/simple_keyed_service_factory.h"
class SimpleFactoryKey;
namespace base {
template <typename T>
class NoDestructor;
} // namespace base
namespace offline_items_collection {
class OfflineContentAggregator;
} // namespace offline_items_collection
// This class is the main access point for an OfflineContentAggregator. It is
// responsible for building the OfflineContentAggregator and associating it with
// a particular SimpleFactoryKey.
class OfflineContentAggregatorFactory : public SimpleKeyedServiceFactory {
public:
// Returns a singleton instance of an OfflineContentAggregatorFactory.
static OfflineContentAggregatorFactory* GetInstance();
// Returns the OfflineContentAggregator associated with |key| or creates and
// associates one if it doesn't exist.
static offline_items_collection::OfflineContentAggregator* GetForKey(
SimpleFactoryKey* key);
OfflineContentAggregatorFactory(const OfflineContentAggregatorFactory&) =
delete;
OfflineContentAggregatorFactory& operator=(
const OfflineContentAggregatorFactory&) = delete;
private:
friend base::NoDestructor<OfflineContentAggregatorFactory>;
OfflineContentAggregatorFactory();
~OfflineContentAggregatorFactory() override;
// SimpleKeyedServiceFactory implementation.
std::unique_ptr<KeyedService> BuildServiceInstanceFor(
SimpleFactoryKey* key) const override;
SimpleFactoryKey* GetKeyToUse(SimpleFactoryKey* key) const override;
};
#endif // CHROME_BROWSER_OFFLINE_ITEMS_COLLECTION_OFFLINE_CONTENT_AGGREGATOR_FACTORY_H_
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