48 lines
1.8 KiB
Java
48 lines
1.8 KiB
Java
package androidx.viewpager2.widget;
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import android.view.View;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.viewpager2.widget.ViewPager2;
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import java.util.Locale;
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/* loaded from: classes.dex */
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final class PageTransformerAdapter extends ViewPager2.OnPageChangeCallback {
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private final LinearLayoutManager mLayoutManager;
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private ViewPager2.PageTransformer mPageTransformer;
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ViewPager2.PageTransformer getPageTransformer() {
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return this.mPageTransformer;
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}
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@Override // androidx.viewpager2.widget.ViewPager2.OnPageChangeCallback
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public void onPageScrollStateChanged(int i) {
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}
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@Override // androidx.viewpager2.widget.ViewPager2.OnPageChangeCallback
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public void onPageSelected(int i) {
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}
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void setPageTransformer(ViewPager2.PageTransformer pageTransformer) {
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this.mPageTransformer = pageTransformer;
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}
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PageTransformerAdapter(LinearLayoutManager linearLayoutManager) {
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this.mLayoutManager = linearLayoutManager;
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}
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@Override // androidx.viewpager2.widget.ViewPager2.OnPageChangeCallback
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public void onPageScrolled(int i, float f, int i2) {
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if (this.mPageTransformer == null) {
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return;
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}
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float f2 = -f;
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for (int i3 = 0; i3 < this.mLayoutManager.getChildCount(); i3++) {
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View childAt = this.mLayoutManager.getChildAt(i3);
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if (childAt == null) {
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throw new IllegalStateException(String.format(Locale.US, "LayoutManager returned a null child at pos %d/%d while transforming pages", Integer.valueOf(i3), Integer.valueOf(this.mLayoutManager.getChildCount())));
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}
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this.mPageTransformer.transformPage(childAt, (this.mLayoutManager.getPosition(childAt) - i) + f2);
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}
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}
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}
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