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 com.android.launcher3.responsive 18 19 import android.content.res.TypedArray 20 import android.util.Log 21 import com.android.launcher3.R 22 import com.android.launcher3.util.ResourceHelper 23 24 class HotseatSpecs(val specs: List<HotseatSpec>) { 25 getCalculatedHeightSpecnull26 fun getCalculatedHeightSpec(availableHeight: Int): CalculatedHotseatSpec { 27 val spec = specs.firstOrNull { availableHeight <= it.maxAvailableSize } 28 check(spec != null) { "No available height spec found within $availableHeight." } 29 return CalculatedHotseatSpec(availableHeight, spec) 30 } 31 32 companion object { 33 private const val XML_HOTSEAT_SPEC = "hotseatSpec" 34 35 @JvmStatic createnull36 fun create(resourceHelper: ResourceHelper): HotseatSpecs { 37 val parser = ResponsiveSpecsParser(resourceHelper) 38 val specs = parser.parseXML(XML_HOTSEAT_SPEC, ::HotseatSpec) 39 return HotseatSpecs(specs.filter { it.specType == ResponsiveSpec.SpecType.HEIGHT }) 40 } 41 } 42 } 43 44 data class HotseatSpec( 45 val maxAvailableSize: Int, 46 val specType: ResponsiveSpec.SpecType, 47 val hotseatQsbSpace: SizeSpec 48 ) { 49 50 init { <lambda>null51 check(isValid()) { "Invalid HotseatSpec found." } 52 } 53 54 constructor( 55 attrs: TypedArray, 56 specs: Map<String, SizeSpec> 57 ) : this( 58 maxAvailableSize = 59 attrs.getDimensionPixelSize(R.styleable.ResponsiveSpec_maxAvailableSize, 0), 60 specType = 61 ResponsiveSpec.SpecType.values()[ 62 attrs.getInt( 63 R.styleable.ResponsiveSpec_specType, 64 ResponsiveSpec.SpecType.HEIGHT.ordinal 65 )], 66 hotseatQsbSpace = specs.getOrError(SizeSpec.XmlTags.HOTSEAT_QSB_SPACE) 67 ) 68 isValidnull69 fun isValid(): Boolean { 70 if (maxAvailableSize <= 0) { 71 Log.e(LOG_TAG, "${this::class.simpleName}#isValid - maxAvailableSize <= 0") 72 return false 73 } 74 75 // All specs need to be individually valid 76 if (!allSpecsAreValid()) { 77 Log.e(LOG_TAG, "${this::class.simpleName}#isValid - !allSpecsAreValid()") 78 return false 79 } 80 81 return true 82 } 83 allSpecsAreValidnull84 private fun allSpecsAreValid(): Boolean { 85 return hotseatQsbSpace.isValid() && hotseatQsbSpace.onlyFixedSize() 86 } 87 88 companion object { 89 private const val LOG_TAG = "HotseatSpec" 90 } 91 } 92 93 class CalculatedHotseatSpec(val availableSpace: Int, val spec: HotseatSpec) { 94 95 var hotseatQsbSpace: Int = 0 96 private set 97 98 init { 99 hotseatQsbSpace = spec.hotseatQsbSpace.getCalculatedValue(availableSpace) 100 } 101 hashCodenull102 override fun hashCode(): Int { 103 var result = availableSpace.hashCode() 104 result = 31 * result + hotseatQsbSpace.hashCode() 105 result = 31 * result + spec.hashCode() 106 return result 107 } 108 equalsnull109 override fun equals(other: Any?): Boolean { 110 return other is CalculatedHotseatSpec && 111 availableSpace == other.availableSpace && 112 hotseatQsbSpace == other.hotseatQsbSpace && 113 spec == other.spec 114 } 115 toStringnull116 override fun toString(): String { 117 return "${this::class.simpleName}(" + 118 "availableSpace=$availableSpace, hotseatQsbSpace=$hotseatQsbSpace, " + 119 "${spec::class.simpleName}.maxAvailableSize=${spec.maxAvailableSize}" + 120 ")" 121 } 122 } 123