1 // Copyright (c) 2012 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 #include "chrome/browser/predictors/resource_prefetch_predictor_factory.h" 6 7 #include "chrome/browser/history/history_service_factory.h" 8 #include "chrome/browser/predictors/predictor_database_factory.h" 9 #include "chrome/browser/predictors/resource_prefetch_common.h" 10 #include "chrome/browser/predictors/resource_prefetch_predictor.h" 11 #include "chrome/browser/profiles/profile.h" 12 #include "components/browser_context_keyed_service/browser_context_dependency_manager.h" 13 14 namespace predictors { 15 16 // static 17 ResourcePrefetchPredictor* ResourcePrefetchPredictorFactory::GetForProfile( 18 Profile* profile) { 19 return static_cast<ResourcePrefetchPredictor*>( 20 GetInstance()->GetServiceForBrowserContext(profile, true)); 21 } 22 23 // static 24 ResourcePrefetchPredictorFactory* 25 ResourcePrefetchPredictorFactory::GetInstance() { 26 return Singleton<ResourcePrefetchPredictorFactory>::get(); 27 } 28 29 ResourcePrefetchPredictorFactory::ResourcePrefetchPredictorFactory() 30 : BrowserContextKeyedServiceFactory( 31 "ResourcePrefetchPredictor", 32 BrowserContextDependencyManager::GetInstance()) { 33 DependsOn(HistoryServiceFactory::GetInstance()); 34 DependsOn(PredictorDatabaseFactory::GetInstance()); 35 } 36 37 ResourcePrefetchPredictorFactory::~ResourcePrefetchPredictorFactory() {} 38 39 BrowserContextKeyedService* 40 ResourcePrefetchPredictorFactory::BuildServiceInstanceFor( 41 content::BrowserContext* context) const { 42 Profile* profile = static_cast<Profile*>(context); 43 44 ResourcePrefetchPredictorConfig config; 45 if (!IsSpeculativeResourcePrefetchingEnabled(profile, &config)) 46 return NULL; 47 48 return new ResourcePrefetchPredictor(config, profile); 49 } 50 51 } // namespace predictors 52