1 // 2 // Copyright (C) 2012 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 // NOLINTNEXTLINE(whitespace/line_length) 18 #ifndef UPDATE_ENGINE_CLIENT_LIBRARY_INCLUDE_UPDATE_ENGINE_STATUS_UPDATE_HANDLER_H_ 19 // NOLINTNEXTLINE(whitespace/line_length) 20 #define UPDATE_ENGINE_CLIENT_LIBRARY_INCLUDE_UPDATE_ENGINE_STATUS_UPDATE_HANDLER_H_ 21 22 #include <string> 23 24 #include "update_engine/client.h" 25 #include "update_engine/update_status.h" 26 27 namespace update_engine { 28 29 // Handles update_engine status changes. An instance of this class can be 30 // registered with UpdateEngineClient and will respond to any update_engine 31 // status changes. 32 class StatusUpdateHandler { 33 public: 34 virtual ~StatusUpdateHandler() = default; 35 36 // Runs when we fail to register the handler due to an IPC error. 37 virtual void IPCError(const std::string& error) = 0; 38 39 // Runs every time update_engine reports a status change. 40 virtual void HandleStatusUpdate(const UpdateEngineStatus& status) = 0; 41 }; 42 43 } // namespace update_engine 44 45 // NOLINTNEXTLINE(whitespace/line_length) 46 #endif // UPDATE_ENGINE_CLIENT_LIBRARY_INCLUDE_UPDATE_ENGINE_STATUS_UPDATE_HANDLER_H_ 47