ios/chrome/browser/suggestions/suggestions_service_factory.mm

   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 "ios/chrome/browser/suggestions/suggestions_service_factory.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "base/memory/singleton.h"
   9 #include "base/sequenced_task_runner.h"
  10 #include "base/threading/sequenced_worker_pool.h"
  11 #include "components/keyed_service/ios/browser_state_dependency_manager.h"
  12 #include "components/leveldb_proto/proto_database_impl.h"
  13 #include "components/suggestions/blacklist_store.h"
  14 #include "components/suggestions/image_fetcher.h"
  15 #include "components/suggestions/image_manager.h"
  16 #include "components/suggestions/suggestions_service.h"
  17 #include "components/suggestions/suggestions_store.h"
  18 #include "ios/chrome/browser/suggestions/image_fetcher_impl.h"
  19 #include "ios/public/provider/chrome/browser/browser_state/chrome_browser_state.h"
  20 #include "ios/web/public/browser_state.h"
  21 #include "ios/web/public/web_thread.h"
  22
  23 namespace suggestions {
  24 namespace {
  25 const base::FilePath::CharType kThumbnailDirectory[] =
  26     FILE_PATH_LITERAL("Thumbnail");
  27 }
  28
  29 // static
  30 SuggestionsServiceFactory* SuggestionsServiceFactory::GetInstance() {
  31   return Singleton<SuggestionsServiceFactory>::get();
  32 }
  33
  34 // static
  35 SuggestionsService* SuggestionsServiceFactory::GetForBrowserState(
  36     ios::ChromeBrowserState* browser_state) {
  37   return static_cast<SuggestionsService*>(
  38       GetInstance()->GetServiceForBrowserState(browser_state, true));
  39 }
  40
  41 SuggestionsServiceFactory::SuggestionsServiceFactory()
  42     : BrowserStateKeyedServiceFactory(
  43           "SuggestionsService",
  44           BrowserStateDependencyManager::GetInstance()) {
  45   // No dependencies.
  46 }
  47
  48 SuggestionsServiceFactory::~SuggestionsServiceFactory() {
  49 }
  50
  51 scoped_ptr<KeyedService> SuggestionsServiceFactory::BuildServiceInstanceFor(
  52     web::BrowserState* context) const {
  53   base::SequencedWorkerPool* sequenced_worker_pool =
  54       web::WebThread::GetBlockingPool();
  55   scoped_refptr<base::SequencedTaskRunner> background_task_runner =
  56       sequenced_worker_pool->GetSequencedTaskRunner(
  57           sequenced_worker_pool->GetSequenceToken());
  58
  59   ios::ChromeBrowserState* browser_state =
  60       ios::ChromeBrowserState::FromBrowserState(context);
  61   base::FilePath database_dir(
  62       browser_state->GetStatePath().Append(kThumbnailDirectory));
  63   scoped_ptr<SuggestionsStore> suggestions_store(
  64       new SuggestionsStore(browser_state->GetPrefs()));
  65   scoped_ptr<BlacklistStore> blacklist_store(
  66       new BlacklistStore(browser_state->GetPrefs()));
  67   scoped_ptr<leveldb_proto::ProtoDatabaseImpl<ImageData>> db(
  68       new leveldb_proto::ProtoDatabaseImpl<ImageData>(background_task_runner));
  69   scoped_ptr<ImageFetcher> image_fetcher(new ImageFetcherImpl(
  70       browser_state->GetRequestContext(), sequenced_worker_pool));
  71   scoped_ptr<ImageManager> thumbnail_manager(new ImageManager(
  72       image_fetcher.Pass(), db.Pass(), database_dir,
  73       web::WebThread::GetTaskRunnerForThread(web::WebThread::DB)));
  74   return make_scoped_ptr(new SuggestionsService(
  75       browser_state->GetRequestContext(), suggestions_store.Pass(),
  76       thumbnail_manager.Pass(), blacklist_store.Pass()));
  77 }
  78
  79 void SuggestionsServiceFactory::RegisterBrowserStatePrefs(
  80     user_prefs::PrefRegistrySyncable* registry) {
  81   SuggestionsService::RegisterProfilePrefs(registry);
  82 }
  83
  84 }  // namespace suggestions