| // Copyright 2017 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 CHROME_BROWSER_OFFLINE_ITEMS_COLLECTION_OFFLINE_CONTENT_AGGREGATOR_FACTORY_H_ |
| #define CHROME_BROWSER_OFFLINE_ITEMS_COLLECTION_OFFLINE_CONTENT_AGGREGATOR_FACTORY_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "components/keyed_service/core/simple_keyed_service_factory.h" |
| |
| class SimpleFactoryKey; |
| |
| namespace base { |
| template <typename T> |
| struct DefaultSingletonTraits; |
| } // 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); |
| |
| private: |
| friend struct base::DefaultSingletonTraits<OfflineContentAggregatorFactory>; |
| |
| OfflineContentAggregatorFactory(); |
| ~OfflineContentAggregatorFactory() override; |
| |
| // SimpleKeyedServiceFactory implementation. |
| std::unique_ptr<KeyedService> BuildServiceInstanceFor( |
| SimpleFactoryKey* key) const override; |
| SimpleFactoryKey* GetKeyToUse(SimpleFactoryKey* key) const override; |
| |
| DISALLOW_COPY_AND_ASSIGN(OfflineContentAggregatorFactory); |
| }; |
| |
| #endif // CHROME_BROWSER_OFFLINE_ITEMS_COLLECTION_OFFLINE_CONTENT_AGGREGATOR_FACTORY_H_ |