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.traces.events
18 
19 import android.tools.Timestamp
20 import android.tools.Trace
21 
22 /**
23  * Represents the data from the Android EventLog and contains a collection of parsed events of
24  * interest.
25  *
26  * This is a generic object that is reused by both Flicker and Winscope and cannot access internal
27  * Java/Android functionality
28  */
29 class EventLog(override val entries: Collection<Event>) : Trace<Event> {
30     val focusEvents: Collection<FocusEvent> =
<lambda>null31         entries.filterIsInstance<FocusEvent>().filter { it.type !== FocusEvent.Type.REQUESTED }
32 
33     val cujEvents: Collection<CujEvent> = entries.filterIsInstance<CujEvent>()
34 
35     val cujTrace: CujTrace = CujTrace.from(cujEvents)
36 
37     companion object {
38         const val MAGIC_NUMBER = "EventLog"
39     }
40 
slicenull41     override fun slice(startTimestamp: Timestamp, endTimestamp: Timestamp): EventLog {
42         return EventLog(
43             entries
44                 .dropWhile { it.timestamp < startTimestamp }
45                 .dropLastWhile { it.timestamp > endTimestamp }
46         )
47     }
48 }
49