[Sync] Replace TalkMediator*/MediatorThread* with PushClient

sync/notifier/p2p_notifier.cc

 // Copyright (c) 2012 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 "sync/notifier/p2p_notifier.h"
 
 #include <algorithm>
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/message_loop_proxy.h"
 #include "base/values.h"
 #include "sync/notifier/sync_notifier_observer.h"
-#include "sync/protocol/service_constants.h"
 #include "sync/syncable/model_type_payload_map.h"
 
 namespace sync_notifier {
 
 const char* kSyncP2PNotificationChannel = "http://www.google.com/chrome/sync";
 
 namespace {
 
 const char kNotifySelf[] = "notifySelf";
 const char kNotifyOthers[] = "notifyOthers";
@@ skipping 108 matching lines @@
   ListValue* changed_types_list = NULL;
   if (!data_dict->GetList(kChangedTypesKey, &changed_types_list)) {
     LOG(WARNING) << "Could not find list value for "
                  << kChangedTypesKey;
     return false;
   }
   changed_types_ = syncable::ModelTypeSetFromValue(*changed_types_list);
   return true;
 }
 
-P2PNotifier::P2PNotifier(notifier::TalkMediator* talk_mediator,
+P2PNotifier::P2PNotifier(notifier::PushClient* push_client,
                          P2PNotificationTarget send_notification_target)
-    : talk_mediator_(talk_mediator),
+    : push_client_(push_client),
       logged_in_(false),
       notifications_enabled_(false),
       send_notification_target_(send_notification_target),
       parent_message_loop_proxy_(
           base::MessageLoopProxy::current()) {
   DCHECK(send_notification_target_ == NOTIFY_OTHERS ||
          send_notification_target_ == NOTIFY_ALL);
-  talk_mediator_->SetDelegate(this);
+  push_client_->AddObserver(this);
 }
 
 P2PNotifier::~P2PNotifier() {
   DCHECK(parent_message_loop_proxy_->BelongsToCurrentThread());
+  push_client_->RemoveObserver(this);
 }
 
 void P2PNotifier::AddObserver(SyncNotifierObserver* observer) {
   DCHECK(parent_message_loop_proxy_->BelongsToCurrentThread());
   observer_list_.AddObserver(observer);
 }
 
-// Note: Since we need to shutdown TalkMediator on the method_thread, we are
-// calling Logout on TalkMediator when the last observer is removed.
-// Users will need to call UpdateCredentials again to use the same object.
-// TODO(akalin): Think of a better solution to fix this.
 void P2PNotifier::RemoveObserver(SyncNotifierObserver* observer) {
   DCHECK(parent_message_loop_proxy_->BelongsToCurrentThread());
   observer_list_.RemoveObserver(observer);
-
-  // Logout after the last observer is removed.
-  if (observer_list_.size() == 0) {
-   talk_mediator_->Logout();
-  }
 }
 
 void P2PNotifier::SetUniqueId(const std::string& unique_id) {
   DCHECK(parent_message_loop_proxy_->BelongsToCurrentThread());
   unique_id_ = unique_id;
 }
 
 void P2PNotifier::SetState(const std::string& state) {
   DCHECK(parent_message_loop_proxy_->BelongsToCurrentThread());
 }
 
 void P2PNotifier::UpdateCredentials(
     const std::string& email, const std::string& token) {
   DCHECK(parent_message_loop_proxy_->BelongsToCurrentThread());
+  notifier::Subscription subscription;
+  subscription.channel = kSyncP2PNotificationChannel;
+  // There may be some subtle issues around case sensitivity of the
+  // from field, but it doesn't matter too much since this is only
+  // used in p2p mode (which is only used in testing).
+  subscription.from = email;
+  push_client_->UpdateSubscriptions(
+      notifier::SubscriptionList(1, subscription));
+
   // If already logged in, the new credentials will take effect on the
   // next reconnection.
-  talk_mediator_->SetAuthToken(email, token, SYNC_SERVICE_NAME);
-  if (!logged_in_) {
-    if (!talk_mediator_->Login()) {
-      LOG(DFATAL) << "Could not login for " << email;
-      return;
-    }
-
-    notifier::Subscription subscription;
-    subscription.channel = kSyncP2PNotificationChannel;
-    // There may be some subtle issues around case sensitivity of the
-    // from field, but it doesn't matter too much since this is only
-    // used in p2p mode (which is only used in testing).
-    subscription.from = email;
-    talk_mediator_->AddSubscription(subscription);
-
-    logged_in_ = true;
-  }
+  push_client_->UpdateCredentials(email, token);
+  logged_in_ = true;
 }
 
 void P2PNotifier::UpdateEnabledTypes(
     syncable::ModelTypeSet enabled_types) {
   DCHECK(parent_message_loop_proxy_->BelongsToCurrentThread());
   const syncable::ModelTypeSet new_enabled_types =
       Difference(enabled_types, enabled_types_);
   enabled_types_ = enabled_types;
   const P2PNotificationData notification_data(
       unique_id_, NOTIFY_SELF, new_enabled_types);
@@ skipping 53 matching lines @@
     DVLOG(1) << "No changed types -- not emitting notification";
     return;
   }
   const syncable::ModelTypePayloadMap& type_payloads =
       syncable::ModelTypePayloadMapFromEnumSet(
           notification_data.GetChangedTypes(), std::string());
   FOR_EACH_OBSERVER(SyncNotifierObserver, observer_list_,
                     OnIncomingNotification(type_payloads, REMOTE_NOTIFICATION));
 }
 
-void P2PNotifier::OnOutgoingNotification() {}
-
 void P2PNotifier::SendNotificationDataForTest(
     const P2PNotificationData& notification_data) {
   SendNotificationData(notification_data);
 }
 
 void P2PNotifier::SendNotificationData(
     const P2PNotificationData& notification_data) {
   DCHECK(parent_message_loop_proxy_->BelongsToCurrentThread());
   notifier::Notification notification;
   notification.channel = kSyncP2PNotificationChannel;
   notification.data = notification_data.ToString();
   DVLOG(1) << "Sending XMPP notification: " << notification.ToString();
-  talk_mediator_->SendNotification(notification);
+  push_client_->SendNotification(notification);
 }
 
 }  // namespace sync_notifier