1 // Copyright 2020 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef WEBLAYER_BROWSER_NO_STATE_PREFETCH_PRERENDER_MANAGER_FACTORY_H_ 6 #define WEBLAYER_BROWSER_NO_STATE_PREFETCH_PRERENDER_MANAGER_FACTORY_H_ 7 8 #include "base/memory/singleton.h" 9 #include "components/keyed_service/content/browser_context_keyed_service_factory.h" 10 11 namespace content { 12 class BrowserContext; 13 } 14 15 namespace prerender { 16 class PrerenderManager; 17 } 18 19 namespace weblayer { 20 21 // Singleton that owns all PrerenderManagers and associates them with 22 // BrowserContexts. Listens for the BrowserContext's destruction notification 23 // and cleans up the associated PrerenderManager. 24 class PrerenderManagerFactory : public BrowserContextKeyedServiceFactory { 25 public: 26 // Returns the PrerenderManager for |context|. 27 static prerender::PrerenderManager* GetForBrowserContext( 28 content::BrowserContext* context); 29 30 static PrerenderManagerFactory* GetInstance(); 31 32 private: 33 friend struct base::DefaultSingletonTraits<PrerenderManagerFactory>; 34 35 PrerenderManagerFactory(); 36 ~PrerenderManagerFactory() override = default; 37 38 // BrowserContextKeyedServiceFactory: 39 KeyedService* BuildServiceInstanceFor( 40 content::BrowserContext* browser) const override; 41 content::BrowserContext* GetBrowserContextToUse( 42 content::BrowserContext* context) const override; 43 }; 44 45 } // namespace weblayer 46 47 #endif // WEBLAYER_BROWSER_NO_STATE_PREFETCH_PRERENDER_MANAGER_FACTORY_H_ 48