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 package android.hardware.automotive.vehicle@2.0; 18 19 interface IVehicleCallback { 20 21 /** 22 * Event callback happens whenever a variable that the API user has 23 * subscribed to needs to be reported. This may be based purely on 24 * threshold and frequency (a regular subscription, see subscribe call's 25 * arguments) or when the IVehicle#set method was called and the actual 26 * change needs to be reported. 27 * 28 * These callbacks are chunked. 29 * 30 * @param values that has been updated. 31 */ 32 oneway onPropertyEvent(vec<VehiclePropValue> propValues); 33 34 /** 35 * This method gets called if the client was subscribed to a property using 36 * SubscribeFlags::EVENTS_FROM_ANDROID flag and IVehicle#set(...) method was called. 37 * 38 * These events must be delivered to subscriber immediately without any 39 * batching. 40 * 41 * @param value Value that was set by a client. 42 */ 43 oneway onPropertySet(VehiclePropValue propValue); 44 45 /** 46 * Set property value is usually asynchronous operation. Thus even if 47 * client received StatusCode::OK from the IVehicle::set(...) this 48 * doesn't guarantee that the value was successfully propagated to the 49 * vehicle network. If such rare event occurs this method must be called. 50 * 51 * @param errorCode - any value from StatusCode enum. 52 * @param property - a property where error has happened. 53 * @param areaId - bitmask that specifies in which areas the problem has 54 * occurred, must be 0 for global properties 55 */ 56 oneway onPropertySetError(StatusCode errorCode, 57 int32_t propId, 58 int32_t areaId); 59 }; 60
