| // Copyright 2015 The Weave Authors. All rights reserved. | 
 | // Use of this source code is governed by a BSD-style license that can be | 
 | // found in the LICENSE file. | 
 |  | 
 | #ifndef LIBWEAVE_SRC_NOTIFICATION_NOTIFICATION_DELEGATE_H_ | 
 | #define LIBWEAVE_SRC_NOTIFICATION_NOTIFICATION_DELEGATE_H_ | 
 |  | 
 | #include <memory> | 
 | #include <string> | 
 |  | 
 | #include <base/values.h> | 
 |  | 
 | namespace weave { | 
 |  | 
 | class NotificationDelegate { | 
 |  public: | 
 |   virtual void OnConnected(const std::string& channel_name) = 0; | 
 |   virtual void OnDisconnected() = 0; | 
 |   virtual void OnPermanentFailure() = 0; | 
 |   // Called when a new command is sent via the notification channel. | 
 |   virtual void OnCommandCreated(const base::DictionaryValue& command, | 
 |                                 const std::string& channel_name) = 0; | 
 |   // Called when DEVICE_DELETED notification is received. | 
 |   virtual void OnDeviceDeleted(const std::string& cloud_id) = 0; | 
 |  | 
 |  protected: | 
 |   virtual ~NotificationDelegate() = default; | 
 | }; | 
 |  | 
 | }  // namespace weave | 
 |  | 
 | #endif  // LIBWEAVE_SRC_NOTIFICATION_NOTIFICATION_DELEGATE_H_ |