PagerSnapHelper.smali

.class public Landroid/support/v7/widget/PagerSnapHelper;
.super Landroid/support/v7/widget/SnapHelper;


# static fields
.field private static final MAX_SCROLL_ON_FLING_DURATION:I = 0x64


# instance fields
.field private mHorizontalHelper:Landroid/support/v7/widget/OrientationHelper;
    .annotation build Landroid/support/annotation/Nullable;
    .end annotation
.end field

.field private mVerticalHelper:Landroid/support/v7/widget/OrientationHelper;
    .annotation build Landroid/support/annotation/Nullable;
    .end annotation
.end field


# direct methods
.method public constructor <init>()V
    .registers 1

    invoke-direct {p0}, Landroid/support/v7/widget/SnapHelper;-><init>()V

    return-void
.end method

.method private distanceToCenter(Landroid/support/v7/widget/RecyclerView$LayoutManager;Landroid/view/View;Landroid/support/v7/widget/OrientationHelper;)I
    .registers 7
    .param p1    # Landroid/support/v7/widget/RecyclerView$LayoutManager;
        .annotation build Landroid/support/annotation/NonNull;
        .end annotation
    .end param
    .param p2    # Landroid/view/View;
        .annotation build Landroid/support/annotation/NonNull;
        .end annotation
    .end param

    invoke-virtual {p3, p2}, Landroid/support/v7/widget/OrientationHelper;->getDecoratedStart(Landroid/view/View;)I

    move-result v0

    invoke-virtual {p3, p2}, Landroid/support/v7/widget/OrientationHelper;->getDecoratedMeasurement(Landroid/view/View;)I

    move-result v1

    div-int/lit8 v1, v1, 0x2

    add-int/2addr v1, v0

    invoke-virtual {p1}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->getClipToPadding()Z

    move-result v0

    if-eqz v0, :cond_1f

    invoke-virtual {p3}, Landroid/support/v7/widget/OrientationHelper;->getStartAfterPadding()I

    move-result v0

    invoke-virtual {p3}, Landroid/support/v7/widget/OrientationHelper;->getTotalSpace()I

    move-result v2

    div-int/lit8 v2, v2, 0x2

    add-int/2addr v0, v2

    :goto_1c
    sub-int v0, v1, v0

    return v0

    :cond_1f
    invoke-virtual {p3}, Landroid/support/v7/widget/OrientationHelper;->getEnd()I

    move-result v0

    div-int/lit8 v0, v0, 0x2

    goto :goto_1c
.end method

.method private findCenterView(Landroid/support/v7/widget/RecyclerView$LayoutManager;Landroid/support/v7/widget/OrientationHelper;)Landroid/view/View;
    .registers 11
    .annotation build Landroid/support/annotation/Nullable;
    .end annotation

    const/4 v4, 0x0

    invoke-virtual {p1}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->getChildCount()I

    move-result v6

    if-nez v6, :cond_8

    :cond_7
    return-object v4

    :cond_8
    invoke-virtual {p1}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->getClipToPadding()Z

    move-result v0

    if-eqz v0, :cond_3d

    invoke-virtual {p2}, Landroid/support/v7/widget/OrientationHelper;->getStartAfterPadding()I

    move-result v0

    invoke-virtual {p2}, Landroid/support/v7/widget/OrientationHelper;->getTotalSpace()I

    move-result v1

    div-int/lit8 v1, v1, 0x2

    add-int/2addr v0, v1

    :goto_19
    const v2, 0x7fffffff

    const/4 v1, 0x0

    move v5, v1

    :goto_1e
    if-ge v5, v6, :cond_7

    invoke-virtual {p1, v5}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->getChildAt(I)Landroid/view/View;

    move-result-object v3

    invoke-virtual {p2, v3}, Landroid/support/v7/widget/OrientationHelper;->getDecoratedStart(Landroid/view/View;)I

    move-result v1

    invoke-virtual {p2, v3}, Landroid/support/v7/widget/OrientationHelper;->getDecoratedMeasurement(Landroid/view/View;)I

    move-result v7

    div-int/lit8 v7, v7, 0x2

    add-int/2addr v1, v7

    sub-int/2addr v1, v0

    invoke-static {v1}, Ljava/lang/Math;->abs(I)I

    move-result v1

    if-ge v1, v2, :cond_44

    move-object v2, v3

    :goto_37
    add-int/lit8 v3, v5, 0x1

    move v5, v3

    move-object v4, v2

    move v2, v1

    goto :goto_1e

    :cond_3d
    invoke-virtual {p2}, Landroid/support/v7/widget/OrientationHelper;->getEnd()I

    move-result v0

    div-int/lit8 v0, v0, 0x2

    goto :goto_19

    :cond_44
    move v1, v2

    move-object v2, v4

    goto :goto_37
.end method

.method private findStartView(Landroid/support/v7/widget/RecyclerView$LayoutManager;Landroid/support/v7/widget/OrientationHelper;)Landroid/view/View;
    .registers 9
    .annotation build Landroid/support/annotation/Nullable;
    .end annotation

    const/4 v3, 0x0

    invoke-virtual {p1}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->getChildCount()I

    move-result v5

    if-nez v5, :cond_8

    :cond_7
    return-object v3

    :cond_8
    const v1, 0x7fffffff

    const/4 v0, 0x0

    move v4, v0

    :goto_d
    if-ge v4, v5, :cond_7

    invoke-virtual {p1, v4}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->getChildAt(I)Landroid/view/View;

    move-result-object v2

    invoke-virtual {p2, v2}, Landroid/support/v7/widget/OrientationHelper;->getDecoratedStart(Landroid/view/View;)I

    move-result v0

    if-ge v0, v1, :cond_20

    move-object v1, v2

    :goto_1a
    add-int/lit8 v2, v4, 0x1

    move v4, v2

    move-object v3, v1

    move v1, v0

    goto :goto_d

    :cond_20
    move v0, v1

    move-object v1, v3

    goto :goto_1a
.end method

.method private getHorizontalHelper(Landroid/support/v7/widget/RecyclerView$LayoutManager;)Landroid/support/v7/widget/OrientationHelper;
    .registers 3
    .param p1    # Landroid/support/v7/widget/RecyclerView$LayoutManager;
        .annotation build Landroid/support/annotation/NonNull;
        .end annotation
    .end param
    .annotation build Landroid/support/annotation/NonNull;
    .end annotation

    iget-object v0, p0, Landroid/support/v7/widget/PagerSnapHelper;->mHorizontalHelper:Landroid/support/v7/widget/OrientationHelper;

    if-eqz v0, :cond_a

    iget-object v0, p0, Landroid/support/v7/widget/PagerSnapHelper;->mHorizontalHelper:Landroid/support/v7/widget/OrientationHelper;

    iget-object v0, v0, Landroid/support/v7/widget/OrientationHelper;->mLayoutManager:Landroid/support/v7/widget/RecyclerView$LayoutManager;

    if-eq v0, p1, :cond_10

    :cond_a
    invoke-static {p1}, Landroid/support/v7/widget/OrientationHelper;->createHorizontalHelper(Landroid/support/v7/widget/RecyclerView$LayoutManager;)Landroid/support/v7/widget/OrientationHelper;

    move-result-object v0

    iput-object v0, p0, Landroid/support/v7/widget/PagerSnapHelper;->mHorizontalHelper:Landroid/support/v7/widget/OrientationHelper;

    :cond_10
    iget-object v0, p0, Landroid/support/v7/widget/PagerSnapHelper;->mHorizontalHelper:Landroid/support/v7/widget/OrientationHelper;

    return-object v0
.end method

.method private getVerticalHelper(Landroid/support/v7/widget/RecyclerView$LayoutManager;)Landroid/support/v7/widget/OrientationHelper;
    .registers 3
    .param p1    # Landroid/support/v7/widget/RecyclerView$LayoutManager;
        .annotation build Landroid/support/annotation/NonNull;
        .end annotation
    .end param
    .annotation build Landroid/support/annotation/NonNull;
    .end annotation

    iget-object v0, p0, Landroid/support/v7/widget/PagerSnapHelper;->mVerticalHelper:Landroid/support/v7/widget/OrientationHelper;

    if-eqz v0, :cond_a

    iget-object v0, p0, Landroid/support/v7/widget/PagerSnapHelper;->mVerticalHelper:Landroid/support/v7/widget/OrientationHelper;

    iget-object v0, v0, Landroid/support/v7/widget/OrientationHelper;->mLayoutManager:Landroid/support/v7/widget/RecyclerView$LayoutManager;

    if-eq v0, p1, :cond_10

    :cond_a
    invoke-static {p1}, Landroid/support/v7/widget/OrientationHelper;->createVerticalHelper(Landroid/support/v7/widget/RecyclerView$LayoutManager;)Landroid/support/v7/widget/OrientationHelper;

    move-result-object v0

    iput-object v0, p0, Landroid/support/v7/widget/PagerSnapHelper;->mVerticalHelper:Landroid/support/v7/widget/OrientationHelper;

    :cond_10
    iget-object v0, p0, Landroid/support/v7/widget/PagerSnapHelper;->mVerticalHelper:Landroid/support/v7/widget/OrientationHelper;

    return-object v0
.end method


# virtual methods
.method public calculateDistanceToFinalSnap(Landroid/support/v7/widget/RecyclerView$LayoutManager;Landroid/view/View;)[I
    .registers 7
    .param p1    # Landroid/support/v7/widget/RecyclerView$LayoutManager;
        .annotation build Landroid/support/annotation/NonNull;
        .end annotation
    .end param
    .param p2    # Landroid/view/View;
        .annotation build Landroid/support/annotation/NonNull;
        .end annotation
    .end param
    .annotation build Landroid/support/annotation/Nullable;
    .end annotation

    const/4 v3, 0x1

    const/4 v2, 0x0

    const/4 v0, 0x2

    new-array v0, v0, [I

    invoke-virtual {p1}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->canScrollHorizontally()Z

    move-result v1

    if-eqz v1, :cond_26

    invoke-direct {p0, p1}, Landroid/support/v7/widget/PagerSnapHelper;->getHorizontalHelper(Landroid/support/v7/widget/RecyclerView$LayoutManager;)Landroid/support/v7/widget/OrientationHelper;

    move-result-object v1

    invoke-direct {p0, p1, p2, v1}, Landroid/support/v7/widget/PagerSnapHelper;->distanceToCenter(Landroid/support/v7/widget/RecyclerView$LayoutManager;Landroid/view/View;Landroid/support/v7/widget/OrientationHelper;)I

    move-result v1

    aput v1, v0, v2

    :goto_15
    invoke-virtual {p1}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->canScrollVertically()Z

    move-result v1

    if-eqz v1, :cond_29

    invoke-direct {p0, p1}, Landroid/support/v7/widget/PagerSnapHelper;->getVerticalHelper(Landroid/support/v7/widget/RecyclerView$LayoutManager;)Landroid/support/v7/widget/OrientationHelper;

    move-result-object v1

    invoke-direct {p0, p1, p2, v1}, Landroid/support/v7/widget/PagerSnapHelper;->distanceToCenter(Landroid/support/v7/widget/RecyclerView$LayoutManager;Landroid/view/View;Landroid/support/v7/widget/OrientationHelper;)I

    move-result v1

    aput v1, v0, v3

    :goto_25
    return-object v0

    :cond_26
    aput v2, v0, v2

    goto :goto_15

    :cond_29
    aput v2, v0, v3

    goto :goto_25
.end method

.method protected createSnapScroller(Landroid/support/v7/widget/RecyclerView$LayoutManager;)Landroid/support/v7/widget/LinearSmoothScroller;
    .registers 4

    instance-of v0, p1, Landroid/support/v7/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;

    if-nez v0, :cond_6

    const/4 v0, 0x0

    :goto_5
    return-object v0

    :cond_6
    new-instance v0, Landroid/support/v7/widget/PagerSnapHelper$1;

    iget-object v1, p0, Landroid/support/v7/widget/PagerSnapHelper;->mRecyclerView:Landroid/support/v7/widget/RecyclerView;

    invoke-virtual {v1}, Landroid/support/v7/widget/RecyclerView;->getContext()Landroid/content/Context;

    move-result-object v1

    invoke-direct {v0, p0, v1}, Landroid/support/v7/widget/PagerSnapHelper$1;-><init>(Landroid/support/v7/widget/PagerSnapHelper;Landroid/content/Context;)V

    goto :goto_5
.end method

.method public findSnapView(Landroid/support/v7/widget/RecyclerView$LayoutManager;)Landroid/view/View;
    .registers 3
    .annotation build Landroid/support/annotation/Nullable;
    .end annotation

    invoke-virtual {p1}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->canScrollVertically()Z

    move-result v0

    if-eqz v0, :cond_f

    invoke-direct {p0, p1}, Landroid/support/v7/widget/PagerSnapHelper;->getVerticalHelper(Landroid/support/v7/widget/RecyclerView$LayoutManager;)Landroid/support/v7/widget/OrientationHelper;

    move-result-object v0

    invoke-direct {p0, p1, v0}, Landroid/support/v7/widget/PagerSnapHelper;->findCenterView(Landroid/support/v7/widget/RecyclerView$LayoutManager;Landroid/support/v7/widget/OrientationHelper;)Landroid/view/View;

    move-result-object v0

    :goto_e
    return-object v0

    :cond_f
    invoke-virtual {p1}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->canScrollHorizontally()Z

    move-result v0

    if-eqz v0, :cond_1e

    invoke-direct {p0, p1}, Landroid/support/v7/widget/PagerSnapHelper;->getHorizontalHelper(Landroid/support/v7/widget/RecyclerView$LayoutManager;)Landroid/support/v7/widget/OrientationHelper;

    move-result-object v0

    invoke-direct {p0, p1, v0}, Landroid/support/v7/widget/PagerSnapHelper;->findCenterView(Landroid/support/v7/widget/RecyclerView$LayoutManager;Landroid/support/v7/widget/OrientationHelper;)Landroid/view/View;

    move-result-object v0

    goto :goto_e

    :cond_1e
    const/4 v0, 0x0

    goto :goto_e
.end method

.method public findTargetSnapPosition(Landroid/support/v7/widget/RecyclerView$LayoutManager;II)I
    .registers 11

    const/4 v6, 0x0

    const/4 v1, 0x1

    const/4 v2, 0x0

    const/4 v0, -0x1

    invoke-virtual {p1}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->getItemCount()I

    move-result v4

    if-nez v4, :cond_b

    :cond_a
    :goto_a
    return v0

    :cond_b
    const/4 v3, 0x0

    invoke-virtual {p1}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->canScrollVertically()Z

    move-result v5

    if-eqz v5, :cond_4d

    invoke-direct {p0, p1}, Landroid/support/v7/widget/PagerSnapHelper;->getVerticalHelper(Landroid/support/v7/widget/RecyclerView$LayoutManager;)Landroid/support/v7/widget/OrientationHelper;

    move-result-object v3

    invoke-direct {p0, p1, v3}, Landroid/support/v7/widget/PagerSnapHelper;->findStartView(Landroid/support/v7/widget/RecyclerView$LayoutManager;Landroid/support/v7/widget/OrientationHelper;)Landroid/view/View;

    move-result-object v3

    :cond_1a
    :goto_1a
    if-eqz v3, :cond_a

    invoke-virtual {p1, v3}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->getPosition(Landroid/view/View;)I

    move-result v3

    if-eq v3, v0, :cond_a

    invoke-virtual {p1}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->canScrollHorizontally()Z

    move-result v0

    if-eqz v0, :cond_5e

    if-lez p2, :cond_5c

    move v0, v1

    :goto_2b
    instance-of v5, p1, Landroid/support/v7/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;

    if-eqz v5, :cond_46

    check-cast p1, Landroid/support/v7/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;

    add-int/lit8 v4, v4, -0x1

    invoke-interface {p1, v4}, Landroid/support/v7/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;->computeScrollVectorForPosition(I)Landroid/graphics/PointF;

    move-result-object v4

    if-eqz v4, :cond_46

    iget v5, v4, Landroid/graphics/PointF;->x:F

    cmpg-float v5, v5, v6

    if-ltz v5, :cond_45

    iget v4, v4, Landroid/graphics/PointF;->y:F

    cmpg-float v4, v4, v6

    if-gez v4, :cond_46

    :cond_45
    move v2, v1

    :cond_46
    if-eqz v2, :cond_66

    if-eqz v0, :cond_64

    add-int/lit8 v0, v3, -0x1

    goto :goto_a

    :cond_4d
    invoke-virtual {p1}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->canScrollHorizontally()Z

    move-result v5

    if-eqz v5, :cond_1a

    invoke-direct {p0, p1}, Landroid/support/v7/widget/PagerSnapHelper;->getHorizontalHelper(Landroid/support/v7/widget/RecyclerView$LayoutManager;)Landroid/support/v7/widget/OrientationHelper;

    move-result-object v3

    invoke-direct {p0, p1, v3}, Landroid/support/v7/widget/PagerSnapHelper;->findStartView(Landroid/support/v7/widget/RecyclerView$LayoutManager;Landroid/support/v7/widget/OrientationHelper;)Landroid/view/View;

    move-result-object v3

    goto :goto_1a

    :cond_5c
    move v0, v2

    goto :goto_2b

    :cond_5e
    if-lez p3, :cond_62

    move v0, v1

    goto :goto_2b

    :cond_62
    move v0, v2

    goto :goto_2b

    :cond_64
    move v0, v3

    goto :goto_a

    :cond_66
    if-eqz v0, :cond_6b

    add-int/lit8 v0, v3, 0x1

    goto :goto_a

    :cond_6b
    move v0, v3

    goto :goto_a
.end method