app_list: Drive app integration.

chrome/browser/apps/drive/drive_service_bridge.cc

+// Copyright 2014 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 "chrome/browser/apps/drive/drive_service_bridge.h"
+
+#include <string>
+
+#include "base/logging.h"
+#include "chrome/browser/drive/drive_api_service.h"
+#include "chrome/browser/drive/drive_app_registry.h"
+#include "chrome/browser/drive/drive_notification_manager.h"
+#include "chrome/browser/drive/drive_notification_manager_factory.h"
+#include "chrome/browser/drive/drive_notification_observer.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
+#include "chrome/browser/signin/signin_manager_factory.h"
+#include "components/signin/core/browser/profile_oauth2_token_service.h"
+#include "components/signin/core/browser/signin_manager.h"
+#include "content/public/browser/browser_thread.h"
+
+namespace {
+
+// Hosts DriveAPIService and DriveAppRegistry.
+// TODO(xiyuan): Optimize to leverage chromeos::DriveIntegrationService.
+class DriveServiceBridgeImpl : public DriveServiceBridge,
+                               public drive::DriveServiceObserver,
+                               public drive::DriveNotificationObserver {
+ public:
+  explicit DriveServiceBridgeImpl(Profile* profile);
+  virtual ~DriveServiceBridgeImpl();
+
+  void Initialize();
+
+  // DriveServiceBridge:
+  virtual drive::DriveAppRegistry* GetAppRegistry() OVERRIDE;
+
+  // drive::DriveServiceObserver:
+  virtual void OnReadyToSendRequests() OVERRIDE;
+
+  // drive::DriveNotificationObserver:
+  virtual void OnNotificationReceived() OVERRIDE;
+  virtual void OnPushNotificationEnabled(bool enabled) OVERRIDE;
+
+ private:
+  Profile* profile_;
+  scoped_ptr<drive::DriveServiceInterface> drive_service_;
+  scoped_ptr<drive::DriveAppRegistry> drive_app_registry_;
+
+  DISALLOW_COPY_AND_ASSIGN(DriveServiceBridgeImpl);
+};
+
+DriveServiceBridgeImpl::DriveServiceBridgeImpl(Profile* profile)
+    : profile_(profile) {
+  DCHECK(profile_);
+}
+
+DriveServiceBridgeImpl::~DriveServiceBridgeImpl() {
+  drive::DriveNotificationManager* drive_notification_manager =
+      drive::DriveNotificationManagerFactory::FindForBrowserContext(profile_);
+  if (drive_notification_manager)
+    drive_notification_manager->RemoveObserver(this);
+
+  drive_service_->RemoveObserver(this);
+
+  drive_app_registry_.reset();
+  drive_service_.reset();
+}
+
+void DriveServiceBridgeImpl::Initialize() {
+  scoped_refptr<base::SequencedWorkerPool> worker_pool(
+      content::BrowserThread::GetBlockingPool());
+  scoped_refptr<base::SequencedTaskRunner> drive_task_runner(
+      worker_pool->GetSequencedTaskRunnerWithShutdownBehavior(
+          worker_pool->GetSequenceToken(),
+          base::SequencedWorkerPool::SKIP_ON_SHUTDOWN));
+
+  ProfileOAuth2TokenService* token_service =
+      ProfileOAuth2TokenServiceFactory::GetForProfile(profile_);
+  drive_service_.reset(new drive::DriveAPIService(
+      token_service,
+      profile_->GetRequestContext(),
+      drive_task_runner.get(),
+      GURL(google_apis::DriveApiUrlGenerator::kBaseUrlForProduction),
+      GURL(google_apis::DriveApiUrlGenerator::kBaseDownloadUrlForProduction),
+      GURL(google_apis::GDataWapiUrlGenerator::kBaseUrlForProduction),
+      std::string() /* custom_user_agent */));
+  SigninManagerBase* signin_manager =
+      SigninManagerFactory::GetForProfile(profile_);
+  drive_service_->Initialize(signin_manager->GetAuthenticatedAccountId());
+  drive_service_->AddObserver(this);
+
+  drive::DriveNotificationManager* drive_notification_manager =
+      drive::DriveNotificationManagerFactory::GetForBrowserContext(profile_);
+  if (drive_notification_manager)
+    drive_notification_manager->AddObserver(this);
+
+  drive_app_registry_.reset(new drive::DriveAppRegistry(drive_service_.get()));
+  if (drive_service_->CanSendRequest())
+    drive_app_registry_->Update();
+}
+
+drive::DriveAppRegistry* DriveServiceBridgeImpl::GetAppRegistry() {
+  return drive_app_registry_.get();
+}
+
+void DriveServiceBridgeImpl::OnReadyToSendRequests() {
+  drive_app_registry_->Update();
+}
+
+void DriveServiceBridgeImpl::OnNotificationReceived() {
+  if (drive_service_->CanSendRequest())
+    drive_app_registry_->Update();
+}
+
+void DriveServiceBridgeImpl::OnPushNotificationEnabled(bool enabled) {
+  if (enabled && drive_service_->CanSendRequest())
+    drive_app_registry_->Update();
+}
+
+}  // namespace
+
+// static
+scoped_ptr<DriveServiceBridge> DriveServiceBridge::Create(Profile* profile) {
+  scoped_ptr<DriveServiceBridgeImpl> bridge(
+      new DriveServiceBridgeImpl(profile));
+  bridge->Initialize();
+  return bridge.PassAs<DriveServiceBridge>();
+}
+
+// static
+void DriveServiceBridge::AppendDependsOnFactories(
+    std::set<BrowserContextKeyedServiceFactory*>* factories) {
+  DCHECK(factories);
+  factories->insert(ProfileOAuth2TokenServiceFactory::GetInstance());
+  factories->insert(SigninManagerFactory::GetInstance());
+  factories->insert(drive::DriveNotificationManagerFactory::GetInstance());
+}