1 /* <lambda>null2 * Copyright (C) 2020 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.windows 18 19 import com.android.server.wm.traces.common.Rect 20 21 /** 22 * Represents WindowContainer classes such as DisplayContent.WindowContainers and 23 * DisplayContent.NonAppWindowContainers. This can be expanded into a specific class 24 * if we need track and assert some state in the future. 25 * 26 * This is a generic object that is reused by both Flicker and Winscope and cannot 27 * access internal Java/Android functionality 28 * 29 */ 30 open class WindowContainer constructor( 31 val title: String, 32 val token: String, 33 val orientation: Int, 34 val layerId: Int, 35 _isVisible: Boolean, 36 configurationContainer: ConfigurationContainer, 37 val children: Array<WindowContainer> 38 ) : ConfigurationContainer(configurationContainer) { 39 protected constructor( 40 windowContainer: WindowContainer, 41 titleOverride: String? = null, 42 isVisibleOverride: Boolean? = null 43 ) : this( 44 titleOverride ?: windowContainer.title, 45 windowContainer.token, 46 windowContainer.orientation, 47 windowContainer.layerId, 48 isVisibleOverride ?: windowContainer.isVisible, 49 windowContainer, 50 windowContainer.children 51 ) 52 53 open val isVisible: Boolean = _isVisible 54 open val name: String = title 55 open val stableId: String get() = "${this::class.simpleName} $token $title" 56 open val isFullscreen: Boolean = false 57 open val bounds: Rect = Rect.EMPTY 58 59 fun traverseTopDown(): List<WindowContainer> { 60 val traverseList = mutableListOf(this) 61 62 this.children.reversed() 63 .forEach { childLayer -> 64 traverseList.addAll(childLayer.traverseTopDown()) 65 } 66 67 return traverseList 68 } 69 70 /** 71 * For a given WindowContainer, traverse down the hierarchy and collect all children of type 72 * [T] if the child passes the test [predicate]. 73 * 74 * @param predicate Filter function 75 */ 76 inline fun <reified T : WindowContainer> collectDescendants( 77 predicate: (T) -> Boolean = { true } 78 ): Array<T> { 79 val traverseList = traverseTopDown() 80 81 return traverseList.filterIsInstance<T>() 82 .filter { predicate(it) } 83 .toTypedArray() 84 } 85 86 override fun toString(): String { 87 if (this.title.isEmpty() || listOf("WindowContainer", "Task") 88 .any { it.contains(this.title) }) { 89 return "" 90 } 91 92 return "$${removeRedundancyInName(this.title)}@${this.token}" 93 } 94 95 private fun removeRedundancyInName(name: String): String { 96 if (!name.contains('/')) { 97 return name 98 } 99 100 val split = name.split('/') 101 val pkg = split[0] 102 var clazz = split.slice(1..split.lastIndex).joinToString("/") 103 104 if (clazz.startsWith("$pkg.")) { 105 clazz = clazz.slice(pkg.length + 1..clazz.lastIndex) 106 107 return "$pkg/$clazz" 108 } 109 110 return name 111 } 112 113 override fun equals(other: Any?): Boolean { 114 if (this === other) return true 115 if (other !is WindowContainer) return false 116 117 if (title != other.title) return false 118 if (token != other.token) return false 119 if (orientation != other.orientation) return false 120 if (isVisible != other.isVisible) return false 121 if (name != other.name) return false 122 if (isFullscreen != other.isFullscreen) return false 123 if (bounds != other.bounds) return false 124 125 return true 126 } 127 128 override fun hashCode(): Int { 129 var result = title.hashCode() 130 result = 31 * result + token.hashCode() 131 result = 31 * result + orientation 132 result = 31 * result + children.contentHashCode() 133 result = 31 * result + isVisible.hashCode() 134 result = 31 * result + name.hashCode() 135 result = 31 * result + isFullscreen.hashCode() 136 result = 31 * result + bounds.hashCode() 137 return result 138 } 139 140 override val isEmpty: Boolean 141 get() = super.isEmpty && 142 title.isEmpty() && 143 token.isEmpty() 144 } 145