Make use of InvalidationService

chrome/browser/drive/drive_notification_manager.cc

 // Copyright 2013 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/drive/drive_notification_manager.h"
 
 #include "base/metrics/histogram.h"
 #include "chrome/browser/drive/drive_notification_observer.h"
+#include "chrome/browser/invalidation/invalidation_service.h"
+#include "chrome/browser/invalidation/invalidation_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/sync/profile_sync_service.h"
-#include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "google/cacheinvalidation/types.pb.h"
 
 namespace drive {
 
 namespace {
 
 // The polling interval time is used when XMPP is disabled.
 const int kFastPollingIntervalInSecs = 60;
 
 // The polling interval time is used when XMPP is enabled.  Theoretically
@@ skipping 13 matching lines @@
       polling_timer_(true /* retain_user_task */, false /* is_repeating */),
       weak_ptr_factory_(this) {
   RegisterDriveNotifications();
   RestartPollingTimer();
 }
 
 DriveNotificationManager::~DriveNotificationManager() {}
 
 void DriveNotificationManager::Shutdown() {
   // Unregister for Drive notifications.
-  ProfileSyncService* profile_sync_service =
-      ProfileSyncServiceFactory::GetForProfile(profile_);
-  if (!profile_sync_service || !push_notification_registered_) {
+  invalidation::InvalidationService* invalidation_service =
+      invalidation::InvalidationServiceFactory::GetForProfile(profile_);
+  if (!invalidation_service || !push_notification_registered_) {
     return;
   }
 
-  profile_sync_service->UpdateRegisteredInvalidationIds(
-      this, syncer::ObjectIdSet());
-  profile_sync_service->UnregisterInvalidationHandler(this);
+  // We unregister the handler without updating unregistering our IDs on
+  // purpose.  See the class comment on the InvalidationService interface for
+  // more information.
+  invalidation_service->UnregisterInvalidationHandler(this);
 }
 
 void DriveNotificationManager::OnInvalidatorStateChange(
     syncer::InvalidatorState state) {
   push_notification_enabled_ = (state == syncer::INVALIDATIONS_ENABLED);
   if (push_notification_enabled_) {
     DVLOG(1) << "XMPP Notifications enabled";
   } else {
     DVLOG(1) << "XMPP Notifications disabled (state=" << state << ")";
   }
   FOR_EACH_OBSERVER(DriveNotificationObserver, observers_,
                     OnPushNotificationEnabled(push_notification_enabled_));
 }
 
 void DriveNotificationManager::OnIncomingInvalidation(
     const syncer::ObjectIdInvalidationMap& invalidation_map) {
   DVLOG(2) << "XMPP Drive Notification Received";
   DCHECK_EQ(1U, invalidation_map.size());
   const invalidation::ObjectId object_id(
       ipc::invalidation::ObjectSource::COSMO_CHANGELOG,
       kDriveInvalidationObjectId);
   DCHECK_EQ(1U, invalidation_map.count(object_id));
 
   // TODO(dcheng): Only acknowledge the invalidation once the fetch has
   // completed. http://crbug.com/156843
-  ProfileSyncService* profile_sync_service =
-      ProfileSyncServiceFactory::GetForProfile(profile_);
-  profile_sync_service->AcknowledgeInvalidation(
+  invalidation::InvalidationService* invalidation_service =
+      invalidation::InvalidationServiceFactory::GetForProfile(profile_);
+  DCHECK(invalidation_service);
+  invalidation_service->AcknowledgeInvalidation(
       invalidation_map.begin()->first,
       invalidation_map.begin()->second.ack_handle);
 
   NotifyObserversToUpdate(NOTIFICATION_XMPP);
 }
 
 void DriveNotificationManager::AddObserver(
     DriveNotificationObserver* observer) {
   observers_.AddObserver(observer);
 }
@@ skipping 29 matching lines @@
 
   // Note that polling_timer_ is not a repeating timer. Restarting manually
   // here is better as XMPP may be received right before the polling timer is
   // fired (i.e. we don't notify observers twice in a row).
   RestartPollingTimer();
 }
 
 void DriveNotificationManager::RegisterDriveNotifications() {
   DCHECK(!push_notification_enabled_);
 
-  ProfileSyncService* profile_sync_service =
-      ProfileSyncServiceFactory::GetForProfile(profile_);
-  if (!profile_sync_service)
+  invalidation::InvalidationService* invalidation_service =
+      invalidation::InvalidationServiceFactory::GetForProfile(profile_);
+  if (!invalidation_service)
     return;
 
-  profile_sync_service->RegisterInvalidationHandler(this);
+  invalidation_service->RegisterInvalidationHandler(this);
   syncer::ObjectIdSet ids;
   ids.insert(invalidation::ObjectId(
       ipc::invalidation::ObjectSource::COSMO_CHANGELOG,
       kDriveInvalidationObjectId));
-  profile_sync_service->UpdateRegisteredInvalidationIds(this, ids);
+  invalidation_service->UpdateRegisteredInvalidationIds(this, ids);
   push_notification_registered_ = true;
-  OnInvalidatorStateChange(profile_sync_service->GetInvalidatorState());
+  OnInvalidatorStateChange(invalidation_service->GetInvalidatorState());
 
   UMA_HISTOGRAM_BOOLEAN("Drive.PushNotificationRegistered",
                         push_notification_registered_);
 }
 
 // static
 std::string DriveNotificationManager::NotificationSourceToString(
     NotificationSource source) {
   switch (source) {
     case NOTIFICATION_XMPP:
       return "NOTIFICATION_XMPP";
     case NOTIFICATION_POLLING:
       return "NOTIFICATION_POLLING";
   }
 
   NOTREACHED();
   return "";
 }
 
 }  // namespace drive