package com.google.common.collect;

import com.google.common.base.Objects;
import com.google.common.base.Preconditions;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.RandomAccess;

/* loaded from: classes3.dex */
public abstract class Lists {
    public static ArrayList newArrayList() {
        return new ArrayList();
    }

    public static ArrayList newArrayList(Iterator it) {
        ArrayList newArrayList = newArrayList();
        Iterators.addAll(newArrayList, it);
        return newArrayList;
    }

    public static boolean equalsImpl(List list, Object obj) {
        if (obj == Preconditions.checkNotNull(list)) {
            return true;
        }
        if (!(obj instanceof List)) {
            return false;
        }
        List list2 = (List) obj;
        int size = list.size();
        if (size != list2.size()) {
            return false;
        }
        if (!(list instanceof RandomAccess) || !(list2 instanceof RandomAccess)) {
            return Iterators.elementsEqual(list.iterator(), list2.iterator());
        }
        for (int i = 0; i < size; i++) {
            if (!Objects.equal(list.get(i), list2.get(i))) {
                return false;
            }
        }
        return true;
    }

    public static int indexOfImpl(List list, Object obj) {
        if (list instanceof RandomAccess) {
            return indexOfRandomAccess(list, obj);
        }
        ListIterator listIterator = list.listIterator();
        while (listIterator.hasNext()) {
            if (Objects.equal(obj, listIterator.next())) {
                return listIterator.previousIndex();
            }
        }
        return -1;
    }

    public static int indexOfRandomAccess(List list, Object obj) {
        int size = list.size();
        int i = 0;
        if (obj == null) {
            while (i < size) {
                if (list.get(i) == null) {
                    return i;
                }
                i++;
            }
            return -1;
        }
        while (i < size) {
            if (obj.equals(list.get(i))) {
                return i;
            }
            i++;
        }
        return -1;
    }

    public static int lastIndexOfImpl(List list, Object obj) {
        if (list instanceof RandomAccess) {
            return lastIndexOfRandomAccess(list, obj);
        }
        ListIterator listIterator = list.listIterator(list.size());
        while (listIterator.hasPrevious()) {
            if (Objects.equal(obj, listIterator.previous())) {
                return listIterator.nextIndex();
            }
        }
        return -1;
    }

    public static int lastIndexOfRandomAccess(List list, Object obj) {
        if (obj == null) {
            for (int size = list.size() - 1; size >= 0; size--) {
                if (list.get(size) == null) {
                    return size;
                }
            }
            return -1;
        }
        for (int size2 = list.size() - 1; size2 >= 0; size2--) {
            if (obj.equals(list.get(size2))) {
                return size2;
            }
        }
        return -1;
    }
}