77 lines
3.9 KiB
Java
77 lines
3.9 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 final class MultiBrowseCarouselStrategy 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 = {1, 0};
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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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float 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 measuredHeight = view.getMeasuredHeight();
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if (carousel.isHorizontal()) {
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f = layoutParams.leftMargin + layoutParams.rightMargin;
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measuredHeight = view.getMeasuredWidth();
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}
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float f2 = f;
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float smallSizeMin = CarouselStrategyHelper.getSmallSizeMin(view.getContext()) + f2;
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float smallSizeMax = CarouselStrategyHelper.getSmallSizeMax(view.getContext()) + f2;
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float min = Math.min(measuredHeight + f2, containerHeight);
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float clamp = MathUtils.clamp((measuredHeight / 3.0f) + f2, CarouselStrategyHelper.getSmallSizeMin(view.getContext()) + f2, CarouselStrategyHelper.getSmallSizeMax(view.getContext()) + f2);
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float f3 = (min + clamp) / 2.0f;
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int[] iArr = SMALL_COUNTS;
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if (containerHeight < 2.0f * smallSizeMin) {
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iArr = new int[]{0};
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}
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int[] iArr2 = MEDIUM_COUNTS;
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if (carousel.getCarouselAlignment() == 1) {
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iArr = doubleCounts(iArr);
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iArr2 = doubleCounts(iArr2);
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}
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int[] iArr3 = iArr;
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int[] iArr4 = iArr2;
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int max = (int) Math.max(1.0d, Math.floor(((containerHeight - (CarouselStrategyHelper.maxValue(iArr4) * f3)) - (CarouselStrategyHelper.maxValue(iArr3) * smallSizeMax)) / min));
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int ceil = (int) Math.ceil(containerHeight / min);
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int i = (ceil - max) + 1;
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int[] iArr5 = new int[i];
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for (int i2 = 0; i2 < i; i2++) {
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iArr5[i2] = ceil - i2;
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}
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Arrangement findLowestCostArrangement = Arrangement.findLowestCostArrangement(containerHeight, clamp, smallSizeMin, smallSizeMax, iArr3, f3, iArr4, min, iArr5);
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this.keylineCount = findLowestCostArrangement.getItemCount();
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if (ensureArrangementFitsItemCount(findLowestCostArrangement, carousel.getItemCount())) {
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findLowestCostArrangement = Arrangement.findLowestCostArrangement(containerHeight, clamp, smallSizeMin, smallSizeMax, new int[]{findLowestCostArrangement.smallCount}, f3, new int[]{findLowestCostArrangement.mediumCount}, min, new int[]{findLowestCostArrangement.largeCount});
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}
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return CarouselStrategyHelper.createKeylineState(view.getContext(), f2, containerHeight, findLowestCostArrangement, carousel.getCarouselAlignment());
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}
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boolean ensureArrangementFitsItemCount(Arrangement arrangement, int i) {
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int itemCount = arrangement.getItemCount() - i;
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boolean z = itemCount > 0 && (arrangement.smallCount > 0 || arrangement.mediumCount > 1);
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while (itemCount > 0) {
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if (arrangement.smallCount > 0) {
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arrangement.smallCount--;
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} else if (arrangement.mediumCount > 1) {
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arrangement.mediumCount--;
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}
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itemCount--;
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}
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return z;
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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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return (i < this.keylineCount && carousel.getItemCount() >= this.keylineCount) || (i >= this.keylineCount && carousel.getItemCount() < this.keylineCount);
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}
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}
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