1 /* <lambda>null2 * 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 package com.android.launcher3.util 17 18 import android.content.res.Resources 19 import androidx.core.content.res.getDimensionOrThrow 20 import androidx.core.content.res.use 21 import com.android.launcher3.R 22 import kotlin.math.max 23 24 class IconSizeSteps(res: Resources) { 25 private val steps: List<Int> 26 27 init { 28 steps = 29 res.obtainTypedArray(R.array.icon_size_steps).use { 30 (0 until it.length()).map { step -> it.getDimensionOrThrow(step).toInt() }.sorted() 31 } 32 } 33 34 fun minimumIconSize(): Int = steps[0] 35 36 fun getNextLowerIconSize(iconSizePx: Int): Int { 37 return steps[max(0, getIndexForIconSize(iconSizePx) - 1)] 38 } 39 40 fun getIconSmallerThan(cellWidth: Int): Int { 41 return steps.lastOrNull { it <= cellWidth } ?: steps[0] 42 } 43 44 private fun getIndexForIconSize(iconSizePx: Int): Int { 45 return max(0, steps.indexOfFirst { iconSizePx <= it }) 46 } 47 } 48