Rabbit-R1/android (non root)/java/sources/androidx/recyclerview/widget/ScrollbarHelper.java

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Java
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2024-05-21 16:08:36 -05:00
package androidx.recyclerview.widget;
import android.view.View;
import androidx.recyclerview.widget.RecyclerView;
/* JADX INFO: Access modifiers changed from: package-private */
/* loaded from: classes2.dex */
public class ScrollbarHelper {
/* JADX INFO: Access modifiers changed from: package-private */
public static int computeScrollOffset(RecyclerView.State state, OrientationHelper orientationHelper, View view, View view2, RecyclerView.LayoutManager layoutManager, boolean z, boolean z2) {
int max;
if (layoutManager.getChildCount() == 0 || state.getItemCount() == 0 || view == null || view2 == null) {
return 0;
}
int min = Math.min(layoutManager.getPosition(view), layoutManager.getPosition(view2));
int max2 = Math.max(layoutManager.getPosition(view), layoutManager.getPosition(view2));
if (z2) {
max = Math.max(0, (state.getItemCount() - max2) - 1);
} else {
max = Math.max(0, min);
}
if (!z) {
return max;
}
return Math.round((max * (Math.abs(orientationHelper.getDecoratedEnd(view2) - orientationHelper.getDecoratedStart(view)) / (Math.abs(layoutManager.getPosition(view) - layoutManager.getPosition(view2)) + 1))) + (orientationHelper.getStartAfterPadding() - orientationHelper.getDecoratedStart(view)));
}
/* JADX INFO: Access modifiers changed from: package-private */
public static int computeScrollExtent(RecyclerView.State state, OrientationHelper orientationHelper, View view, View view2, RecyclerView.LayoutManager layoutManager, boolean z) {
if (layoutManager.getChildCount() == 0 || state.getItemCount() == 0 || view == null || view2 == null) {
return 0;
}
if (!z) {
return Math.abs(layoutManager.getPosition(view) - layoutManager.getPosition(view2)) + 1;
}
return Math.min(orientationHelper.getTotalSpace(), orientationHelper.getDecoratedEnd(view2) - orientationHelper.getDecoratedStart(view));
}
/* JADX INFO: Access modifiers changed from: package-private */
public static int computeScrollRange(RecyclerView.State state, OrientationHelper orientationHelper, View view, View view2, RecyclerView.LayoutManager layoutManager, boolean z) {
if (layoutManager.getChildCount() == 0 || state.getItemCount() == 0 || view == null || view2 == null) {
return 0;
}
if (!z) {
return state.getItemCount();
}
return (int) (((orientationHelper.getDecoratedEnd(view2) - orientationHelper.getDecoratedStart(view)) / (Math.abs(layoutManager.getPosition(view) - layoutManager.getPosition(view2)) + 1)) * state.getItemCount());
}
private ScrollbarHelper() {
}
}