chrome/browser/search/suggestions/suggestions_service_factory.cc

   1 // Copyright 2014 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/search/suggestions/suggestions_service_factory.h"
   6
   7 #include "base/memory/scoped_ptr.h"
   8 #include "base/prefs/pref_service.h"
   9 #include "chrome/browser/profiles/incognito_helpers.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/browser/search/suggestions/image_fetcher_impl.h"
  12 #include "components/keyed_service/content/browser_context_dependency_manager.h"
  13 #include "components/leveldb_proto/proto_database.h"
  14 #include "components/leveldb_proto/proto_database_impl.h"
  15 #include "components/pref_registry/pref_registry_syncable.h"
  16 #include "components/suggestions/blacklist_store.h"
  17 #include "components/suggestions/image_fetcher.h"
  18 #include "components/suggestions/image_manager.h"
  19 #include "components/suggestions/proto/suggestions.pb.h"
  20 #include "components/suggestions/suggestions_service.h"
  21 #include "components/suggestions/suggestions_store.h"
  22 #include "content/public/browser/browser_context.h"
  23 #include "content/public/browser/browser_thread.h"
  24
  25 using content::BrowserThread;
  26
  27 namespace suggestions {
  28
  29 // static
  30 SuggestionsService* SuggestionsServiceFactory::GetForProfile(Profile* profile) {
  31   if (!SuggestionsService::IsEnabled() || profile->IsOffTheRecord())
  32     return NULL;
  33
  34   return static_cast<SuggestionsService*>(
  35       GetInstance()->GetServiceForBrowserContext(profile, true));
  36 }
  37
  38 // static
  39 SuggestionsServiceFactory* SuggestionsServiceFactory::GetInstance() {
  40   return Singleton<SuggestionsServiceFactory>::get();
  41 }
  42
  43 SuggestionsServiceFactory::SuggestionsServiceFactory()
  44     : BrowserContextKeyedServiceFactory(
  45           "SuggestionsService",
  46           BrowserContextDependencyManager::GetInstance()) {
  47   // No dependencies.
  48 }
  49
  50 SuggestionsServiceFactory::~SuggestionsServiceFactory() {}
  51
  52 content::BrowserContext* SuggestionsServiceFactory::GetBrowserContextToUse(
  53     content::BrowserContext* context) const {
  54   return chrome::GetBrowserContextRedirectedInIncognito(context);
  55 }
  56
  57 KeyedService* SuggestionsServiceFactory::BuildServiceInstanceFor(
  58     content::BrowserContext* profile) const {
  59   scoped_refptr<base::SequencedTaskRunner> background_task_runner =
  60       BrowserThread::GetBlockingPool()->GetSequencedTaskRunner(
  61           BrowserThread::GetBlockingPool()->GetSequenceToken());
  62
  63   Profile* the_profile = static_cast<Profile*>(profile);
  64   scoped_ptr<SuggestionsStore> suggestions_store(
  65       new SuggestionsStore(the_profile->GetPrefs()));
  66   scoped_ptr<BlacklistStore> blacklist_store(
  67       new BlacklistStore(the_profile->GetPrefs()));
  68
  69   scoped_ptr<leveldb_proto::ProtoDatabaseImpl<ImageData> > db(
  70       new leveldb_proto::ProtoDatabaseImpl<ImageData>(background_task_runner));
  71
  72   base::FilePath database_dir(
  73       the_profile->GetPath().Append(FILE_PATH_LITERAL("Thumbnails")));
  74
  75   scoped_ptr<ImageFetcherImpl> image_fetcher(
  76       new ImageFetcherImpl(the_profile->GetRequestContext()));
  77   scoped_ptr<ImageManager> thumbnail_manager(
  78       new ImageManager(image_fetcher.Pass(), db.Pass(), database_dir));
  79   return new SuggestionsService(
  80       the_profile->GetRequestContext(), suggestions_store.Pass(),
  81       thumbnail_manager.Pass(), blacklist_store.Pass());
  82 }
  83
  84 void SuggestionsServiceFactory::RegisterProfilePrefs(
  85     user_prefs::PrefRegistrySyncable* registry) {
  86   SuggestionsService::RegisterProfilePrefs(registry);
  87 }
  88
  89 }  // namespace suggestions