package androidx.recyclerview.widget;

import android.annotation.SuppressLint;
import android.content.Context;
import android.util.DisplayMetrics;
import android.view.View;
import android.view.animation.DecelerateInterpolator;
import android.widget.Scroller;
import androidx.recyclerview.widget.RecyclerView;
import defpackage.rq6;
import defpackage.vo6;

/* JADX INFO: loaded from: classes.dex */
public abstract class ar extends RecyclerView.r {
    static final float MILLISECONDS_PER_INCH = 100.0f;
    private Scroller mGravityScroller;
    RecyclerView mRecyclerView;
    private final RecyclerView.t mScrollListener = new a();

    public class a extends RecyclerView.t {
        public boolean a = false;

        public a() {
        }

        @Override // androidx.recyclerview.widget.RecyclerView.t
        public final void onScrollStateChanged(RecyclerView recyclerView, int i) {
            if (i == 0 && this.a) {
                this.a = false;
                ar.this.snapToTargetExistingView();
            }
        }

        @Override // androidx.recyclerview.widget.RecyclerView.t
        public final void onScrolled(RecyclerView recyclerView, int i, int i2) {
            if (i == 0 && i2 == 0) {
                return;
            }
            this.a = true;
        }
    }

    public class b extends ad {
        public b(Context context) {
            super(context);
        }

        @Override // androidx.recyclerview.widget.ad
        public final float calculateSpeedPerPixel(DisplayMetrics displayMetrics) {
            return ar.MILLISECONDS_PER_INCH / displayMetrics.densityDpi;
        }

        @Override // androidx.recyclerview.widget.ad, androidx.recyclerview.widget.RecyclerView.ab
        public final void onTargetFound(View view, RecyclerView.ac acVar, RecyclerView.ab.a aVar) {
            ar arVar = ar.this;
            RecyclerView recyclerView = arVar.mRecyclerView;
            if (recyclerView == null) {
                return;
            }
            int[] iArrCalculateDistanceToFinalSnap = arVar.calculateDistanceToFinalSnap(recyclerView.getLayoutManager(), view);
            int i = iArrCalculateDistanceToFinalSnap[0];
            int i2 = iArrCalculateDistanceToFinalSnap[1];
            int iCalculateTimeForDeceleration = calculateTimeForDeceleration(Math.max(Math.abs(i), Math.abs(i2)));
            if (iCalculateTimeForDeceleration > 0) {
                aVar.b(i, i2, this.mDecelerateInterpolator, iCalculateTimeForDeceleration);
            }
        }
    }

    public void attachToRecyclerView(RecyclerView recyclerView) {
        RecyclerView recyclerView2 = this.mRecyclerView;
        if (recyclerView2 == recyclerView) {
            return;
        }
        if (recyclerView2 != null) {
            recyclerView2.removeOnScrollListener(this.mScrollListener);
            this.mRecyclerView.setOnFlingListener(null);
        }
        this.mRecyclerView = recyclerView;
        if (recyclerView != null) {
            if (recyclerView.getOnFlingListener() != null) {
                throw new IllegalStateException("An instance of OnFlingListener already set.");
            }
            this.mRecyclerView.addOnScrollListener(this.mScrollListener);
            this.mRecyclerView.setOnFlingListener(this);
            this.mGravityScroller = new Scroller(this.mRecyclerView.getContext(), new DecelerateInterpolator());
            snapToTargetExistingView();
        }
    }

    public abstract int[] calculateDistanceToFinalSnap(RecyclerView.o oVar, View view);

    @SuppressLint({"UnknownNullness"})
    public int[] calculateScrollDistance(int i, int i2) {
        this.mGravityScroller.fling(0, 0, i, i2, Integer.MIN_VALUE, Integer.MAX_VALUE, Integer.MIN_VALUE, Integer.MAX_VALUE);
        return new int[]{this.mGravityScroller.getFinalX(), this.mGravityScroller.getFinalY()};
    }

    public RecyclerView.ab createScroller(RecyclerView.o oVar) {
        return createSnapScroller(oVar);
    }

    @rq6
    @Deprecated
    public ad createSnapScroller(@vo6 RecyclerView.o oVar) {
        if (oVar instanceof RecyclerView.ab.b) {
            return new b(this.mRecyclerView.getContext());
        }
        return null;
    }

    public abstract View findSnapView(RecyclerView.o oVar);

    public abstract int findTargetSnapPosition(RecyclerView.o oVar, int i, int i2);

    @Override // androidx.recyclerview.widget.RecyclerView.r
    public boolean onFling(int i, int i2) {
        RecyclerView.ab abVarCreateScroller;
        int iFindTargetSnapPosition;
        RecyclerView.o layoutManager = this.mRecyclerView.getLayoutManager();
        if (layoutManager == null || this.mRecyclerView.getAdapter() == null) {
            return false;
        }
        int minFlingVelocity = this.mRecyclerView.getMinFlingVelocity();
        if ((Math.abs(i2) <= minFlingVelocity && Math.abs(i) <= minFlingVelocity) || !(layoutManager instanceof RecyclerView.ab.b) || (abVarCreateScroller = createScroller(layoutManager)) == null || (iFindTargetSnapPosition = findTargetSnapPosition(layoutManager, i, i2)) == -1) {
            return false;
        }
        abVarCreateScroller.setTargetPosition(iFindTargetSnapPosition);
        layoutManager.startSmoothScroll(abVarCreateScroller);
        return true;
    }

    public void snapToTargetExistingView() {
        RecyclerView.o layoutManager;
        View viewFindSnapView;
        RecyclerView recyclerView = this.mRecyclerView;
        if (recyclerView == null || (layoutManager = recyclerView.getLayoutManager()) == null || (viewFindSnapView = findSnapView(layoutManager)) == null) {
            return;
        }
        int[] iArrCalculateDistanceToFinalSnap = calculateDistanceToFinalSnap(layoutManager, viewFindSnapView);
        int i = iArrCalculateDistanceToFinalSnap[0];
        if (i == 0 && iArrCalculateDistanceToFinalSnap[1] == 0) {
            return;
        }
        this.mRecyclerView.smoothScrollBy(i, iArrCalculateDistanceToFinalSnap[1]);
    }
}