chrome/browser/android/offline_pages/offline_page_model_factory.cc

   1 // Copyright 2015 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/android/offline_pages/offline_page_model_factory.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "base/memory/singleton.h"
   9 #include "base/path_service.h"
  10 #include "base/sequenced_task_runner.h"
  11 #include "chrome/browser/profiles/incognito_helpers.h"
  12 #include "chrome/browser/profiles/profile.h"
  13 #include "chrome/common/chrome_paths.h"
  14 #include "components/keyed_service/content/browser_context_dependency_manager.h"
  15 #include "components/leveldb_proto/proto_database_impl.h"
  16 #include "components/offline_pages/offline_page_metadata_store_impl.h"
  17 #include "components/offline_pages/offline_page_model.h"
  18 #include "components/offline_pages/proto/offline_pages.pb.h"
  19 #include "content/public/browser/browser_thread.h"
  20
  21 namespace offline_pages {
  22
  23 OfflinePageModelFactory::OfflinePageModelFactory()
  24     : BrowserContextKeyedServiceFactory(
  25           "OfflinePageModel",
  26           BrowserContextDependencyManager::GetInstance()) {
  27 }
  28
  29 // static
  30 OfflinePageModelFactory* OfflinePageModelFactory::GetInstance() {
  31   return Singleton<OfflinePageModelFactory>::get();
  32 }
  33
  34 // static
  35 OfflinePageModel* OfflinePageModelFactory::GetForBrowserContext(
  36     content::BrowserContext* context) {
  37   if (context->IsOffTheRecord())
  38     return nullptr;
  39
  40   return static_cast<OfflinePageModel*>(
  41       GetInstance()->GetServiceForBrowserContext(context, true));
  42 }
  43
  44 KeyedService* OfflinePageModelFactory::BuildServiceInstanceFor(
  45     content::BrowserContext* context) const {
  46   DCHECK(!context->IsOffTheRecord());
  47
  48   scoped_refptr<base::SequencedTaskRunner> background_task_runner =
  49       content::BrowserThread::GetBlockingPool()->GetSequencedTaskRunner(
  50           content::BrowserThread::GetBlockingPool()->GetSequenceToken());
  51
  52   scoped_ptr<leveldb_proto::ProtoDatabaseImpl<OfflinePageEntry>> database(
  53       new leveldb_proto::ProtoDatabaseImpl<OfflinePageEntry>(
  54           background_task_runner));
  55
  56   base::FilePath store_path;
  57   CHECK(PathService::Get(chrome::DIR_OFFLINE_PAGE_METADATA, &store_path));
  58   scoped_ptr<OfflinePageMetadataStoreImpl> metadata_store(
  59       new OfflinePageMetadataStoreImpl(database.Pass(), store_path));
  60
  61   return new OfflinePageModel(metadata_store.Pass(), background_task_runner);
  62 }
  63
  64 content::BrowserContext* OfflinePageModelFactory::GetBrowserContextToUse(
  65     content::BrowserContext* context) const {
  66   return chrome::GetBrowserContextRedirectedInIncognito(context);
  67 }
  68
  69 }  // namespace offline_pages
  70