Ram Periathiruvadi | 25c16f1 | 2017-11-17 16:48:37 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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.car.drivingstate; |
| 18 | |
| 19 | import android.annotation.IntDef; |
| 20 | import android.annotation.SystemApi; |
| 21 | import android.os.Parcel; |
| 22 | import android.os.Parcelable; |
| 23 | |
| 24 | import java.lang.annotation.Retention; |
| 25 | import java.lang.annotation.RetentionPolicy; |
| 26 | |
| 27 | /** |
| 28 | * Driving State related events. Driving State of a car conveys if the car is currently parked, |
| 29 | * idling or moving. |
| 30 | * |
| 31 | * @hide |
| 32 | */ |
| 33 | @SystemApi |
Yao, Yuxing | 64cca8d | 2019-03-20 10:41:47 -0700 | [diff] [blame] | 34 | public final class CarDrivingStateEvent implements Parcelable { |
Ram Periathiruvadi | 25c16f1 | 2017-11-17 16:48:37 -0800 | [diff] [blame] | 35 | |
| 36 | // New Driving States |
| 37 | /** |
| 38 | * This is when we don't have enough information to infer the car's driving state. |
| 39 | */ |
| 40 | public static final int DRIVING_STATE_UNKNOWN = -1; |
| 41 | /** |
| 42 | * Car is parked - Gear is in Parked mode. |
| 43 | */ |
| 44 | public static final int DRIVING_STATE_PARKED = 0; |
| 45 | /** |
| 46 | * Car is idling. Gear is not in Parked mode and Speed of the vehicle is zero. |
Ram Periathiruvadi | 25c16f1 | 2017-11-17 16:48:37 -0800 | [diff] [blame] | 47 | */ |
| 48 | public static final int DRIVING_STATE_IDLING = 1; |
| 49 | /** |
| 50 | * Car is moving. Gear is not in parked mode and speed of the vehicle is non zero. |
| 51 | */ |
| 52 | public static final int DRIVING_STATE_MOVING = 2; |
| 53 | |
| 54 | /** @hide */ |
| 55 | @IntDef({DRIVING_STATE_UNKNOWN, |
| 56 | DRIVING_STATE_PARKED, |
| 57 | DRIVING_STATE_IDLING, |
| 58 | DRIVING_STATE_MOVING}) |
| 59 | @Retention(RetentionPolicy.SOURCE) |
| 60 | public @interface CarDrivingState { |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Time at which this driving state was inferred based on the car's sensors. |
| 65 | * It is the elapsed time in nanoseconds since system boot. |
| 66 | */ |
| 67 | public final long timeStamp; |
| 68 | |
| 69 | /** |
| 70 | * The Car's driving state. |
| 71 | */ |
| 72 | @CarDrivingState |
| 73 | public final int eventValue; |
| 74 | |
| 75 | |
| 76 | @Override |
| 77 | public int describeContents() { |
| 78 | return 0; |
| 79 | } |
| 80 | |
| 81 | @Override |
| 82 | public void writeToParcel(Parcel dest, int flags) { |
| 83 | dest.writeInt(eventValue); |
| 84 | dest.writeLong(timeStamp); |
| 85 | } |
| 86 | |
| 87 | public static final Parcelable.Creator<CarDrivingStateEvent> CREATOR |
| 88 | = new Parcelable.Creator<CarDrivingStateEvent>() { |
| 89 | public CarDrivingStateEvent createFromParcel(Parcel in) { |
| 90 | return new CarDrivingStateEvent(in); |
| 91 | } |
| 92 | |
| 93 | public CarDrivingStateEvent[] newArray(int size) { |
| 94 | return new CarDrivingStateEvent[size]; |
| 95 | } |
| 96 | }; |
| 97 | |
| 98 | public CarDrivingStateEvent(int value, long time) { |
| 99 | eventValue = value; |
| 100 | timeStamp = time; |
| 101 | } |
| 102 | |
| 103 | private CarDrivingStateEvent(Parcel in) { |
| 104 | eventValue = in.readInt(); |
| 105 | timeStamp = in.readLong(); |
| 106 | } |
| 107 | |
| 108 | @Override |
| 109 | public String toString() { |
| 110 | return eventValue + " " + timeStamp; |
| 111 | } |
| 112 | } |