Add initial Controller to DownloadService

components/download/internal/download_service_impl.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/download/internal/download_service_impl.h"
 
+#include <memory>
+
+#include "base/files/file_path.h"
+#include "base/memory/ptr_util.h"
+#include "components/download/internal/client_set.h"
+#include "components/download/internal/config.h"
+#include "components/download/internal/controller_impl.h"
+#include "components/download/internal/download_driver.h"
+#include "components/download/internal/download_store.h"
+#include "components/download/internal/model_impl.h"
+#include "components/download/internal/proto/entry.pb.h"
+#include "components/download/internal/stats.h"
+#include "components/leveldb_proto/proto_database_impl.h"
+
 namespace download {
+namespace {
+const char kEntryDBStorageDir[] = "EntryDB";
+}  // namespace
 
 // static
 DownloadService* DownloadService::Create(
+    std::unique_ptr<DownloadClientMap> clients,
     const base::FilePath& storage_dir,
     const scoped_refptr<base::SequencedTaskRunner>& background_task_runner) {
-  return new DownloadServiceImpl(Configuration::CreateFromFinch());
+  auto entry_db_storage_dir = storage_dir.AppendASCII(kEntryDBStorageDir);
+  auto entry_db =
+      base::MakeUnique<leveldb_proto::ProtoDatabaseImpl<protodb::Entry>>(
+          background_task_runner);
+
+  auto store = base::MakeUnique<DownloadStore>(entry_db_storage_dir,
+                                               std::move(entry_db));
+  auto client_set = base::MakeUnique<ClientSet>(std::move(clients));
+  auto config = Configuration::CreateFromFinch();
+  auto driver = base::WrapUnique<DownloadDriver>(nullptr);
+  auto model = base::MakeUnique<ModelImpl>(std::move(store));
+
+  std::unique_ptr<Controller> controller =
+      base::MakeUnique<ControllerImpl>(std::move(client_set), std::move(config),
+                                       std::move(driver), std::move(model));
+
+  return new DownloadServiceImpl(std::move(controller));
 }
 
-DownloadServiceImpl::DownloadServiceImpl(std::unique_ptr<Configuration> config)
-    : config_(std::move(config)) {}
+DownloadServiceImpl::DownloadServiceImpl(std::unique_ptr<Controller> controller)
+    : controller_(std::move(controller)) {
+  controller_->Initialize();
+}
 
 DownloadServiceImpl::~DownloadServiceImpl() = default;
 
+DownloadService::ServiceStatus DownloadServiceImpl::GetStatus() {
+  if (!controller_->GetStartupStatus().Complete())
+    return DownloadService::ServiceStatus::STARTING_UP;
+
+  if (!controller_->GetStartupStatus().Ok())
+    return DownloadService::ServiceStatus::UNAVAILABLE;
+
+  return DownloadService::ServiceStatus::READY;
+}
+
 void DownloadServiceImpl::StartDownload(const DownloadParams& download_params) {
+  stats::LogServiceApiAction(download_params.client,
+                             stats::ServiceApiAction::START_DOWNLOAD);
+  controller_->StartDownload(download_params);
 }
-void DownloadServiceImpl::PauseDownload(const std::string& guid) {}
-void DownloadServiceImpl::ResumeDownload(const std::string& guid) {}
-void DownloadServiceImpl::CancelDownload(const std::string& guid) {}
+
+void DownloadServiceImpl::PauseDownload(const std::string& guid) {
+  stats::LogServiceApiAction(controller_->GetOwnerOfDownload(guid),
+                             stats::ServiceApiAction::PAUSE_DOWNLOAD);
+  controller_->PauseDownload(guid);
+}
+
+void DownloadServiceImpl::ResumeDownload(const std::string& guid) {
+  stats::LogServiceApiAction(controller_->GetOwnerOfDownload(guid),
+                             stats::ServiceApiAction::RESUME_DOWNLOAD);
+  controller_->ResumeDownload(guid);
+}
+
+void DownloadServiceImpl::CancelDownload(const std::string& guid) {
+  stats::LogServiceApiAction(controller_->GetOwnerOfDownload(guid),
+                             stats::ServiceApiAction::CANCEL_DOWNLOAD);
+  controller_->CancelDownload(guid);
+}
+
 void DownloadServiceImpl::ChangeDownloadCriteria(
     const std::string& guid,
-    const SchedulingParams& params) {}
+    const SchedulingParams& params) {
+  stats::LogServiceApiAction(controller_->GetOwnerOfDownload(guid),
+                             stats::ServiceApiAction::CHANGE_CRITERIA);
+  controller_->ChangeDownloadCriteria(guid, params);
+}
 
 }  // namespace download