1 /* 2 * Copyright (C) 2024 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.systemui.navigationbar.gestural.domain 18 19 import android.content.ComponentName 20 21 /** 22 * A simple data class for capturing details around a task. Implements equality to ensure changes 23 * can be identified between emitted values. 24 */ 25 data class TaskInfo(val topActivity: ComponentName?, val topActivityType: Int) { equalsnull26 override fun equals(other: Any?): Boolean { 27 return other is TaskInfo && 28 other.topActivityType == topActivityType && 29 other.topActivity == topActivity 30 } 31 } 32 33 /** 34 * [TaskMatcher] provides a way to identify a task based on particular attributes, such as the top 35 * activity type or component name. 36 */ 37 sealed interface TaskMatcher { matchesnull38 fun matches(info: TaskInfo): Boolean 39 40 class TopActivityType(private val type: Int) : TaskMatcher { 41 override fun matches(info: TaskInfo): Boolean { 42 return info.topActivity != null && info.topActivityType == type 43 } 44 } 45 46 class TopActivityComponent(private val component: ComponentName) : TaskMatcher { matchesnull47 override fun matches(info: TaskInfo): Boolean { 48 return component == info.topActivity 49 } 50 } 51 } 52