1 /* 2 * Copyright (C) 2021 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 com.android.server.wm.traces.common.windowmanager 18 19 import com.android.server.wm.traces.common.ITrace 20 21 /** 22 * Contains a collection of parsed WindowManager trace entries and assertions to apply over a single 23 * entry. 24 * 25 * Each entry is parsed into a list of [WindowManagerState] objects. 26 * 27 * This is a generic object that is reused by both Flicker and Winscope and cannot 28 * access internal Java/Android functionality 29 * 30 */ 31 data class WindowManagerTrace( 32 override val entries: Array<WindowManagerState> 33 ) : ITrace<WindowManagerState>, <lambda>null34 List<WindowManagerState> by entries.toList() { 35 override fun toString(): String { 36 return "WindowManagerTrace(Start: ${entries.firstOrNull()}, " + 37 "End: ${entries.lastOrNull()})" 38 } 39 40 override fun equals(other: Any?): Boolean { 41 if (this === other) return true 42 if (other !is WindowManagerTrace) return false 43 44 if (!entries.contentEquals(other.entries)) return false 45 46 return true 47 } 48 49 override fun hashCode(): Int { 50 return entries.contentHashCode() 51 } 52 53 /** 54 * Split the trace by the start and end timestamp. 55 * 56 * @param from the start timestamp 57 * @param to the end timestamp 58 * @return the subtrace trace(from, to) 59 */ 60 fun filter(from: Long, to: Long): WindowManagerTrace { 61 return WindowManagerTrace( 62 this.entries 63 .dropWhile { it.timestamp < from } 64 .dropLastWhile { it.timestamp > to } 65 .toTypedArray()) 66 } 67 }