|  | // 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() {} | 
|  | }; | 
|  |  | 
|  | }  // namespace weave | 
|  |  | 
|  | #endif  // LIBWEAVE_SRC_NOTIFICATION_NOTIFICATION_DELEGATE_H_ |