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 package android.car; 17 18 import android.annotation.IntDef; 19 20 import java.lang.annotation.Retention; 21 import java.lang.annotation.RetentionPolicy; 22 23 /** 24 * Object used to indicate the area value for car properties which have area type 25 * {@link VehicleAreaType#VEHICLE_AREA_TYPE_SEAT}. 26 * <p> 27 * The constants defined by {@link VehicleAreaSeat} indicate the position for area type 28 * {@link VehicleAreaType#VEHICLE_AREA_TYPE_SEAT}. A property can have a single or a combination of 29 * positions. Developers can query the position using 30 * {@link android.car.hardware.property.CarPropertyManager#getAreaId(int, int)}. 31 * </p><p> 32 * Refer to {@link android.car.hardware.CarPropertyConfig#getAreaIds()} for more information about 33 * areaId. 34 * </p> 35 */ 36 37 // This class is only designed to provide constants for VehicleAreaSeat. The constants should 38 // be same as VehicleAreaSeat in /hardware/interfaces/automotive/vehicle/2.0/types.hal. 39 public final class VehicleAreaSeat { 40 /** List of vehicle's seats. */ 41 public static final int SEAT_UNKNOWN = 0; 42 /** Row 1 left side seat*/ 43 public static final int SEAT_ROW_1_LEFT = 0x0001; 44 /** Row 1 center seat*/ 45 public static final int SEAT_ROW_1_CENTER = 0x0002; 46 /** Row 1 right side seat*/ 47 public static final int SEAT_ROW_1_RIGHT = 0x0004; 48 /** Row 2 left side seat*/ 49 public static final int SEAT_ROW_2_LEFT = 0x0010; 50 /** Row 2 center seat*/ 51 public static final int SEAT_ROW_2_CENTER = 0x0020; 52 /** Row 2 right side seat*/ 53 public static final int SEAT_ROW_2_RIGHT = 0x0040; 54 /** Row 3 left side seat*/ 55 public static final int SEAT_ROW_3_LEFT = 0x0100; 56 /** Row 3 center seat*/ 57 public static final int SEAT_ROW_3_CENTER = 0x0200; 58 /** Row 3 right side seat*/ 59 public static final int SEAT_ROW_3_RIGHT = 0x0400; 60 61 /** @hide */ 62 @IntDef(prefix = {"SEAT_"}, value = { 63 SEAT_UNKNOWN, 64 SEAT_ROW_1_LEFT, 65 SEAT_ROW_1_CENTER, 66 SEAT_ROW_1_RIGHT, 67 SEAT_ROW_2_LEFT, 68 SEAT_ROW_2_CENTER, 69 SEAT_ROW_2_RIGHT, 70 SEAT_ROW_3_LEFT, 71 SEAT_ROW_3_CENTER, 72 SEAT_ROW_3_RIGHT 73 }) 74 @Retention(RetentionPolicy.SOURCE) 75 76 public @interface Enum {} VehicleAreaSeat()77 private VehicleAreaSeat() {} 78 79 /** @hide */ 80 public static final int SIDE_LEFT = -1; 81 /** @hide */ 82 public static final int SIDE_CENTER = 0; 83 /** @hide */ 84 public static final int SIDE_RIGHT = 1; 85 /** 86 * Convert row number and side into {@link Enum}. 87 * 88 * @param rowNumber should be 1, 2 or 3 89 * @param side {@link #SIDE_LEFT}. {@link #SIDE_CENTER}, {@link #SIDE_RIGHT}. 90 * 91 * @hide */ 92 @Enum fromRowAndSide(int rowNumber, int side)93 public static int fromRowAndSide(int rowNumber, int side) { 94 if (rowNumber < 1 || rowNumber > 3) { 95 return SEAT_UNKNOWN; 96 } 97 if (side < -1 || side > 1) { 98 return SEAT_UNKNOWN; 99 } 100 int seat = 0x1; 101 seat = seat << ((rowNumber - 1) * 4); 102 seat = seat << (side + 1); 103 return seat; 104 } 105 106 } 107