1 /*
2  * Copyright 2024 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 androidx.xr.runtime.internal
18 
19 import androidx.annotation.RestrictTo
20 
21 /** Describes the state of the tracking performed. */
22 @RestrictTo(RestrictTo.Scope.LIBRARY_GROUP_PREFIX)
23 public class TrackingState private constructor(private val value: Int) {
24     public companion object {
25         /** The trackable is currently tracked and its pose is current. */
26         @JvmField public val Tracking: TrackingState = TrackingState(0)
27 
28         /** Tracking has been paused for this instance but may be resumed in the future. */
29         @JvmField public val Paused: TrackingState = TrackingState(1)
30 
31         /** Tracking has stopped for this instance and will never be resumed in the future. */
32         @JvmField public val Stopped: TrackingState = TrackingState(2)
33     }
34 
toStringnull35     public override fun toString(): String =
36         when (this) {
37             Tracking -> "Tracking"
38             Paused -> "Paused"
39             Stopped -> "Stopped"
40             else -> "Unknown"
41         }
42 }
43