1 /*
2  * Copyright (C) 2023 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.tools.flicker.extractors
18 
19 import android.tools.io.Reader
20 
21 class ShellTransitionScenarioExtractor(
22     private val transitionMatcher: ITransitionMatcher,
23 ) : ScenarioExtractor {
extractnull24     override fun extract(reader: Reader): List<TraceSlice> {
25         val transitionsTrace = reader.readTransitionsTrace() ?: error("Missing transitions trace")
26         val completeTransitions = transitionsTrace.entries.filter { !it.isIncomplete }
27 
28         val transitions = transitionMatcher.findAll(completeTransitions)
29 
30         return transitions.map {
31             val startTimestamp = Utils.interpolateStartTimestampFromTransition(it, reader)
32             val endTimestamp = Utils.interpolateFinishTimestampFromTransition(it, reader)
33 
34             TraceSlice(startTimestamp, endTimestamp, associatedTransition = it)
35         }
36     }
37 }
38