1 // 2 // Copyright (C) 2016 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef UPDATE_ENGINE_SERVICE_OBSERVER_INTERFACE_H_ 18 #define UPDATE_ENGINE_SERVICE_OBSERVER_INTERFACE_H_ 19 20 #include <memory> 21 #include <string> 22 23 #include "update_engine/client_library/include/update_engine/update_status.h" 24 #include "update_engine/common/error_code.h" 25 26 namespace chromeos_update_engine { 27 28 class ServiceObserverInterface { 29 public: 30 virtual ~ServiceObserverInterface() = default; 31 32 // Called whenever the value of these parameters changes. For |progress| 33 // value changes, this method will be called only if it changes significantly. 34 virtual void SendStatusUpdate( 35 const update_engine::UpdateEngineStatus& update_engine_status) = 0; 36 37 // Called whenever an update attempt is completed. 38 virtual void SendPayloadApplicationComplete(ErrorCode error_code) = 0; 39 40 protected: 41 ServiceObserverInterface() = default; 42 }; 43 44 } // namespace chromeos_update_engine 45 46 #endif // UPDATE_ENGINE_SERVICE_OBSERVER_INTERFACE_H_ 47