65 lines
3.2 KiB
Java
65 lines
3.2 KiB
Java
package com.google.android.material.carousel;
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import android.view.View;
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import androidx.core.math.MathUtils;
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import androidx.recyclerview.widget.RecyclerView;
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/* loaded from: classes.dex */
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public class HeroCarouselStrategy extends CarouselStrategy {
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private int keylineCount = 0;
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private static final int[] SMALL_COUNTS = {1};
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private static final int[] MEDIUM_COUNTS = {0, 1};
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@Override // com.google.android.material.carousel.CarouselStrategy
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KeylineState onFirstChildMeasuredWithMargins(Carousel carousel, View view) {
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int i;
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int containerHeight = carousel.getContainerHeight();
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if (carousel.isHorizontal()) {
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containerHeight = carousel.getContainerWidth();
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}
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RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) view.getLayoutParams();
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float f = layoutParams.topMargin + layoutParams.bottomMargin;
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float measuredWidth = view.getMeasuredWidth() * 2;
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if (carousel.isHorizontal()) {
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f = layoutParams.leftMargin + layoutParams.rightMargin;
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measuredWidth = view.getMeasuredHeight() * 2;
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}
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float smallSizeMin = CarouselStrategyHelper.getSmallSizeMin(view.getContext()) + f;
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float smallSizeMax = CarouselStrategyHelper.getSmallSizeMax(view.getContext()) + f;
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float f2 = containerHeight;
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float min = Math.min(measuredWidth + f, f2);
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float clamp = MathUtils.clamp((measuredWidth / 3.0f) + f, CarouselStrategyHelper.getSmallSizeMin(view.getContext()) + f, CarouselStrategyHelper.getSmallSizeMax(view.getContext()) + f);
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float f3 = (min + clamp) / 2.0f;
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int[] iArr = f2 < 2.0f * smallSizeMin ? new int[]{0} : SMALL_COUNTS;
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int max = (int) Math.max(1.0d, Math.floor((f2 - (CarouselStrategyHelper.maxValue(r4) * smallSizeMax)) / min));
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int ceil = (((int) Math.ceil(f2 / min)) - max) + 1;
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int[] iArr2 = new int[ceil];
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for (int i2 = 0; i2 < ceil; i2++) {
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iArr2[i2] = max + i2;
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}
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int i3 = carousel.getCarouselAlignment() == 1 ? 1 : 0;
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Arrangement findLowestCostArrangement = Arrangement.findLowestCostArrangement(f2, clamp, smallSizeMin, smallSizeMax, i3 != 0 ? doubleCounts(iArr) : iArr, f3, i3 != 0 ? doubleCounts(MEDIUM_COUNTS) : MEDIUM_COUNTS, min, iArr2);
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this.keylineCount = findLowestCostArrangement.getItemCount();
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if (findLowestCostArrangement.getItemCount() > carousel.getItemCount()) {
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findLowestCostArrangement = Arrangement.findLowestCostArrangement(f2, clamp, smallSizeMin, smallSizeMax, iArr, f3, MEDIUM_COUNTS, min, iArr2);
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i = 0;
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} else {
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i = i3;
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}
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return CarouselStrategyHelper.createKeylineState(view.getContext(), f, f2, findLowestCostArrangement, i);
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}
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@Override // com.google.android.material.carousel.CarouselStrategy
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boolean shouldRefreshKeylineState(Carousel carousel, int i) {
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if (carousel.getCarouselAlignment() == 1) {
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if (i < this.keylineCount && carousel.getItemCount() >= this.keylineCount) {
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return true;
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}
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if (i >= this.keylineCount && carousel.getItemCount() < this.keylineCount) {
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return true;
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}
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}
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return false;
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}
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}
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