1 /*
2  * Copyright 2025 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.tracing.driver
18 
19 /** The entry point for the tracing API. */
20 public class TraceDriver(private val sink: TraceSink, private val isEnabled: Boolean = true) {
21     public val context: TraceContext =
22         if (isEnabled) {
23             TraceContext(sink = sink, isEnabled = true)
24         } else {
25             EmptyTraceContext
26         }
27 
28     /**
29      * @param id is the Process id.
30      * @param name is the name of the Process.
31      * @return a [ProcessTrack] instance that we can associate trace packets to.
32      */
ProcessTracknull33     public fun ProcessTrack(id: Int, name: String): ProcessTrack =
34         context.getOrCreateProcessTrack(id, name)
35 }
36