LinearSmoothScrollerEnd.smali

.class public Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;
.super Landroidx/recyclerview/widget/RecyclerView$SmoothScroller;
.source "LinearSmoothScrollerEnd.java"


# static fields
.field private static final MILLISECONDS_PER_INCH:F = 25.0f

.field private static final TARGET_SEEK_EXTRA_SCROLL_RATIO:F = 1.2f

.field private static final TARGET_SEEK_SCROLL_DISTANCE_PX:I


# instance fields
.field private final MILLISECONDS_PER_PX:F

.field protected final mDecelerateInterpolator:Landroid/view/animation/DecelerateInterpolator;

.field protected mInterimTargetDx:I

.field protected mInterimTargetDy:I

.field protected final mLinearInterpolator:Landroid/view/animation/LinearInterpolator;

.field protected mTargetVector:Landroid/graphics/PointF;


# direct methods
.method static constructor <clinit>()V
    .registers 1

    const v0, 0x327f

    invoke-static {v0}, Lnp/NPFog;->d(I)I

    move-result v0

    sput v0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->TARGET_SEEK_SCROLL_DISTANCE_PX:I

    return-void
.end method

.method public constructor <init>(Landroid/content/Context;)V
    .registers 4
    .param p1, "context"    # Landroid/content/Context;

    .line 30
    invoke-direct {p0}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller;-><init>()V

    .line 20
    new-instance v0, Landroid/view/animation/LinearInterpolator;

    invoke-direct {v0}, Landroid/view/animation/LinearInterpolator;-><init>()V

    iput-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mLinearInterpolator:Landroid/view/animation/LinearInterpolator;

    .line 22
    new-instance v0, Landroid/view/animation/DecelerateInterpolator;

    const/high16 v1, 0x3fc00000    # 1.5f

    invoke-direct {v0, v1}, Landroid/view/animation/DecelerateInterpolator;-><init>(F)V

    iput-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mDecelerateInterpolator:Landroid/view/animation/DecelerateInterpolator;

    .line 28
    const/4 v0, 0x0

    iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mInterimTargetDx:I

    iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mInterimTargetDy:I

    .line 31
    invoke-virtual {p1}, Landroid/content/Context;->getResources()Landroid/content/res/Resources;

    move-result-object v0

    invoke-virtual {v0}, Landroid/content/res/Resources;->getDisplayMetrics()Landroid/util/DisplayMetrics;

    move-result-object v0

    iget v0, v0, Landroid/util/DisplayMetrics;->densityDpi:I

    int-to-float v0, v0

    const/high16 v1, 0x41c80000    # 25.0f

    div-float/2addr v1, v0

    iput v1, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->MILLISECONDS_PER_PX:F

    .line 32
    return-void
.end method

.method private clampApplyScroll(II)I
    .registers 5
    .param p1, "tmpDt"    # I
    .param p2, "dt"    # I

    .line 100
    move v0, p1

    .line 101
    .local v0, "before":I
    sub-int/2addr p1, p2

    .line 102
    mul-int v1, v0, p1

    if-gtz v1, :cond_8

    .line 103
    const/4 v1, 0x0

    return v1

    .line 105
    :cond_8
    return p1
.end method


# virtual methods
.method public calculateDxToMakeVisible(Landroid/view/View;)I
    .registers 13
    .param p1, "view"    # Landroid/view/View;

    .line 109
    invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->getLayoutManager()Landroidx/recyclerview/widget/RecyclerView$LayoutManager;

    move-result-object v0

    .line 110
    .local v0, "layoutManager":Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
    const/4 v1, 0x0

    if-eqz v0, :cond_47

    invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollHorizontally()Z

    move-result v2

    if-nez v2, :cond_e

    goto :goto_47

    .line 113
    :cond_e
    invoke-virtual {p1}, Landroid/view/View;->getLayoutParams()Landroid/view/ViewGroup$LayoutParams;

    move-result-object v2

    check-cast v2, Landroidx/recyclerview/widget/RecyclerView$LayoutParams;

    .line 114
    .local v2, "params":Landroidx/recyclerview/widget/RecyclerView$LayoutParams;
    invoke-virtual {v0, p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getDecoratedLeft(Landroid/view/View;)I

    move-result v3

    iget v4, v2, Landroidx/recyclerview/widget/RecyclerView$LayoutParams;->leftMargin:I

    sub-int/2addr v3, v4

    .line 115
    .local v3, "left":I
    invoke-virtual {v0, p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getDecoratedRight(Landroid/view/View;)I

    move-result v4

    iget v5, v2, Landroidx/recyclerview/widget/RecyclerView$LayoutParams;->rightMargin:I

    add-int/2addr v4, v5

    .line 116
    .local v4, "rigth":I
    invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getPaddingLeft()I

    move-result v5

    .line 117
    .local v5, "start":I
    invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getWidth()I

    move-result v6

    invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getPaddingRight()I

    move-result v7

    sub-int/2addr v6, v7

    .line 119
    .local v6, "end":I
    if-le v3, v5, :cond_34

    if-ge v4, v6, :cond_34

    .line 120
    return v1

    .line 122
    :cond_34
    sub-int v7, v6, v5

    .line 123
    .local v7, "boxSize":I
    sub-int v8, v4, v3

    .line 124
    .local v8, "viewSize":I
    sub-int v5, v7, v8

    .line 125
    add-int v6, v5, v8

    .line 126
    sub-int v9, v5, v3

    .line 127
    .local v9, "dtStart":I
    if-lez v9, :cond_41

    .line 128
    return v9

    .line 130
    :cond_41
    sub-int v10, v6, v4

    .line 131
    .local v10, "dtEnd":I
    if-gez v10, :cond_46

    .line 132
    return v10

    .line 134
    :cond_46
    return v1

    .line 111
    .end local v2    # "params":Landroidx/recyclerview/widget/RecyclerView$LayoutParams;
    .end local v3    # "left":I
    .end local v4    # "rigth":I
    .end local v5    # "start":I
    .end local v6    # "end":I
    .end local v7    # "boxSize":I
    .end local v8    # "viewSize":I
    .end local v9    # "dtStart":I
    .end local v10    # "dtEnd":I
    :cond_47
    :goto_47
    return v1
.end method

.method protected calculateTimeForDeceleration(I)I
    .registers 6
    .param p1, "dx"    # I

    .line 69
    invoke-virtual {p0, p1}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->calculateTimeForScrolling(I)I

    move-result v0

    int-to-double v0, v0

    const-wide v2, 0x3fd57a786c22680aL    # 0.3356

    invoke-static {v0, v1}, Ljava/lang/Double;->isNaN(D)Z

    div-double/2addr v0, v2

    invoke-static {v0, v1}, Ljava/lang/Math;->ceil(D)D

    move-result-wide v0

    double-to-int v0, v0

    return v0
.end method

.method protected calculateTimeForScrolling(I)I
    .registers 4
    .param p1, "dx"    # I

    .line 73
    invoke-static {p1}, Ljava/lang/Math;->abs(I)I

    move-result v0

    int-to-float v0, v0

    iget v1, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->MILLISECONDS_PER_PX:F

    mul-float v0, v0, v1

    float-to-double v0, v0

    invoke-static {v0, v1}, Ljava/lang/Math;->ceil(D)D

    move-result-wide v0

    double-to-int v0, v0

    return v0
.end method

.method public computeScrollVectorForPosition(I)Landroid/graphics/PointF;
    .registers 4
    .param p1, "targetPosition"    # I

    .line 139
    invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->getLayoutManager()Landroidx/recyclerview/widget/RecyclerView$LayoutManager;

    move-result-object v0

    .line 140
    .local v0, "layoutManager":Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
    instance-of v1, v0, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;

    if-eqz v1, :cond_10

    .line 141
    move-object v1, v0

    check-cast v1, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;

    invoke-interface {v1, p1}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;->computeScrollVectorForPosition(I)Landroid/graphics/PointF;

    move-result-object v1

    return-object v1

    .line 143
    :cond_10
    const/4 v1, 0x0

    return-object v1
.end method

.method protected onSeekTargetStep(IILandroidx/recyclerview/widget/RecyclerView$State;Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;)V
    .registers 7
    .param p1, "dx"    # I
    .param p2, "dy"    # I
    .param p3, "state"    # Landroidx/recyclerview/widget/RecyclerView$State;
    .param p4, "action"    # Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;

    .line 50
    invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->getChildCount()I

    move-result v0

    if-nez v0, :cond_a

    .line 51
    invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->stop()V

    .line 52
    return-void

    .line 54
    :cond_a
    iget v0, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mInterimTargetDx:I

    invoke-direct {p0, v0, p1}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->clampApplyScroll(II)I

    move-result v0

    iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mInterimTargetDx:I

    .line 55
    iget v0, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mInterimTargetDy:I

    invoke-direct {p0, v0, p2}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->clampApplyScroll(II)I

    move-result v0

    iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mInterimTargetDy:I

    .line 57
    iget v1, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mInterimTargetDx:I

    if-nez v1, :cond_23

    if-nez v0, :cond_23

    .line 58
    invoke-virtual {p0, p4}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->updateActionForInterimTarget(Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;)V

    .line 60
    :cond_23
    return-void
.end method

.method protected onStart()V
    .registers 1

    .line 37
    return-void
.end method

.method protected onStop()V
    .registers 2

    .line 64
    const/4 v0, 0x0

    iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mInterimTargetDy:I

    iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mInterimTargetDx:I

    .line 65
    const/4 v0, 0x0

    iput-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mTargetVector:Landroid/graphics/PointF;

    .line 66
    return-void
.end method

.method protected onTargetFound(Landroid/view/View;Landroidx/recyclerview/widget/RecyclerView$State;Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;)V
    .registers 10
    .param p1, "targetView"    # Landroid/view/View;
    .param p2, "state"    # Landroidx/recyclerview/widget/RecyclerView$State;
    .param p3, "action"    # Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;

    .line 41
    invoke-virtual {p0, p1}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->calculateDxToMakeVisible(Landroid/view/View;)I

    move-result v0

    .line 42
    .local v0, "dx":I
    invoke-virtual {p0, v0}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->calculateTimeForDeceleration(I)I

    move-result v1

    .line 43
    .local v1, "time":I
    if-lez v1, :cond_17

    .line 44
    neg-int v2, v0

    const/4 v3, 0x0

    const/16 v4, 0x190

    invoke-static {v4, v1}, Ljava/lang/Math;->max(II)I

    move-result v4

    iget-object v5, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mDecelerateInterpolator:Landroid/view/animation/DecelerateInterpolator;

    invoke-virtual {p3, v2, v3, v4, v5}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;->update(IIILandroid/view/animation/Interpolator;)V

    .line 46
    :cond_17
    return-void
.end method

.method protected updateActionForInterimTarget(Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;)V
    .registers 8
    .param p1, "action"    # Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;

    .line 78
    invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->getTargetPosition()I

    move-result v0

    invoke-virtual {p0, v0}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->computeScrollVectorForPosition(I)Landroid/graphics/PointF;

    move-result-object v0

    .line 79
    .local v0, "scrollVector":Landroid/graphics/PointF;
    if-eqz v0, :cond_4d

    iget v1, v0, Landroid/graphics/PointF;->x:F

    const/4 v2, 0x0

    cmpl-float v1, v1, v2

    if-nez v1, :cond_18

    iget v1, v0, Landroid/graphics/PointF;->y:F

    cmpl-float v1, v1, v2

    if-nez v1, :cond_18

    goto :goto_4d

    .line 85
    :cond_18
    invoke-virtual {p0, v0}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->normalize(Landroid/graphics/PointF;)V

    .line 86
    iput-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mTargetVector:Landroid/graphics/PointF;

    .line 88
    iget v1, v0, Landroid/graphics/PointF;->x:F

    const v2, 0x461c4000    # 10000.0f

    mul-float v1, v1, v2

    float-to-int v1, v1

    iput v1, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mInterimTargetDx:I

    .line 89
    iget v1, v0, Landroid/graphics/PointF;->y:F

    mul-float v1, v1, v2

    float-to-int v1, v1

    iput v1, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mInterimTargetDy:I

    .line 90
    const/16 v1, 0x2710

    invoke-virtual {p0, v1}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->calculateTimeForScrolling(I)I

    move-result v1

    .line 94
    .local v1, "time":I
    iget v2, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mInterimTargetDx:I

    int-to-float v2, v2

    const v3, 0x3f99999a    # 1.2f

    mul-float v2, v2, v3

    float-to-int v2, v2

    iget v4, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mInterimTargetDy:I

    int-to-float v4, v4

    mul-float v4, v4, v3

    float-to-int v4, v4

    int-to-float v5, v1

    mul-float v5, v5, v3

    float-to-int v3, v5

    iget-object v5, p0, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->mLinearInterpolator:Landroid/view/animation/LinearInterpolator;

    invoke-virtual {p1, v2, v4, v3, v5}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;->update(IIILandroid/view/animation/Interpolator;)V

    .line 97
    return-void

    .line 80
    .end local v1    # "time":I
    :cond_4d
    :goto_4d
    invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->getTargetPosition()I

    move-result v1

    .line 81
    .local v1, "target":I
    invoke-virtual {p1, v1}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;->jumpTo(I)V

    .line 82
    invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScrollerEnd;->stop()V

    .line 83
    return-void
.end method