LinearSmoothScroller.smali

.class public Landroid/support/v7/widget/LinearSmoothScroller;
.super Landroid/support/v7/widget/RecyclerView$SmoothScroller;


# static fields
.field private static final DEBUG:Z = false

.field private static final MILLISECONDS_PER_INCH:F = 25.0f

.field public static final SNAP_TO_ANY:I = 0x0

.field public static final SNAP_TO_END:I = 0x1

.field public static final SNAP_TO_START:I = -0x1

.field private static final TAG:Ljava/lang/String; = "LinearSmoothScroller"

.field private static final TARGET_SEEK_EXTRA_SCROLL_RATIO:F = 1.2f

.field private static final TARGET_SEEK_SCROLL_DISTANCE_PX:I = 0x2710


# 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 public constructor <init>(Landroid/content/Context;)V
    .registers 4

    const/4 v1, 0x0

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

    new-instance v0, Landroid/view/animation/LinearInterpolator;

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

    iput-object v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mLinearInterpolator:Landroid/view/animation/LinearInterpolator;

    new-instance v0, Landroid/view/animation/DecelerateInterpolator;

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

    iput-object v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mDecelerateInterpolator:Landroid/view/animation/DecelerateInterpolator;

    iput v1, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mInterimTargetDx:I

    iput v1, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mInterimTargetDy:I

    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

    invoke-virtual {p0, v0}, Landroid/support/v7/widget/LinearSmoothScroller;->calculateSpeedPerPixel(Landroid/util/DisplayMetrics;)F

    move-result v0

    iput v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->MILLISECONDS_PER_PX:F

    return-void
.end method

.method private clampApplyScroll(II)I
    .registers 5

    sub-int v0, p1, p2

    mul-int v1, p1, v0

    if-gtz v1, :cond_7

    const/4 v0, 0x0

    :cond_7
    return v0
.end method


# virtual methods
.method public calculateDtToFit(IIIII)I
    .registers 8

    packed-switch p5, :pswitch_data_1c

    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string/jumbo v1, "snap preference should be one of the constants defined in SmoothScroller, starting with SNAP_"

    invoke-direct {v0, v1}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V

    throw v0

    :pswitch_c
    sub-int v0, p3, p1

    :cond_e
    :goto_e
    return v0

    :pswitch_f
    sub-int v0, p4, p2

    goto :goto_e

    :pswitch_12
    sub-int v0, p3, p1

    if-gtz v0, :cond_e

    sub-int v0, p4, p2

    if-ltz v0, :cond_e

    const/4 v0, 0x0

    goto :goto_e

    :pswitch_data_1c
    .packed-switch -0x1
        :pswitch_c
        :pswitch_12
        :pswitch_f
    .end packed-switch
.end method

.method public calculateDxToMakeVisible(Landroid/view/View;I)I
    .registers 9

    invoke-virtual {p0}, Landroid/support/v7/widget/LinearSmoothScroller;->getLayoutManager()Landroid/support/v7/widget/RecyclerView$LayoutManager;

    move-result-object v4

    if-eqz v4, :cond_c

    invoke-virtual {v4}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->canScrollHorizontally()Z

    move-result v0

    if-nez v0, :cond_e

    :cond_c
    const/4 v0, 0x0

    :goto_d
    return v0

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

    move-result-object v0

    check-cast v0, Landroid/support/v7/widget/RecyclerView$LayoutParams;

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

    move-result v1

    iget v2, v0, Landroid/support/v7/widget/RecyclerView$LayoutParams;->leftMargin:I

    sub-int/2addr v1, v2

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

    move-result v2

    iget v0, v0, Landroid/support/v7/widget/RecyclerView$LayoutParams;->rightMargin:I

    add-int/2addr v2, v0

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

    move-result v3

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

    move-result v0

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

    move-result v4

    sub-int v4, v0, v4

    move-object v0, p0

    move v5, p2

    invoke-virtual/range {v0 .. v5}, Landroid/support/v7/widget/LinearSmoothScroller;->calculateDtToFit(IIIII)I

    move-result v0

    goto :goto_d
.end method

.method public calculateDyToMakeVisible(Landroid/view/View;I)I
    .registers 9

    invoke-virtual {p0}, Landroid/support/v7/widget/LinearSmoothScroller;->getLayoutManager()Landroid/support/v7/widget/RecyclerView$LayoutManager;

    move-result-object v4

    if-eqz v4, :cond_c

    invoke-virtual {v4}, Landroid/support/v7/widget/RecyclerView$LayoutManager;->canScrollVertically()Z

    move-result v0

    if-nez v0, :cond_e

    :cond_c
    const/4 v0, 0x0

    :goto_d
    return v0

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

    move-result-object v0

    check-cast v0, Landroid/support/v7/widget/RecyclerView$LayoutParams;

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

    move-result v1

    iget v2, v0, Landroid/support/v7/widget/RecyclerView$LayoutParams;->topMargin:I

    sub-int/2addr v1, v2

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

    move-result v2

    iget v0, v0, Landroid/support/v7/widget/RecyclerView$LayoutParams;->bottomMargin:I

    add-int/2addr v2, v0

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

    move-result v3

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

    move-result v0

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

    move-result v4

    sub-int v4, v0, v4

    move-object v0, p0

    move v5, p2

    invoke-virtual/range {v0 .. v5}, Landroid/support/v7/widget/LinearSmoothScroller;->calculateDtToFit(IIIII)I

    move-result v0

    goto :goto_d
.end method

.method protected calculateSpeedPerPixel(Landroid/util/DisplayMetrics;)F
    .registers 4

    const/high16 v0, 0x41c80000    # 25.0f

    iget v1, p1, Landroid/util/DisplayMetrics;->densityDpi:I

    int-to-float v1, v1

    div-float/2addr v0, v1

    return v0
.end method

.method protected calculateTimeForDeceleration(I)I
    .registers 6

    invoke-virtual {p0, p1}, Landroid/support/v7/widget/LinearSmoothScroller;->calculateTimeForScrolling(I)I

    move-result v0

    int-to-double v0, v0

    const-wide v2, 0x3fd57a786c22680aL    # 0.3356

    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

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

    move-result v0

    int-to-float v0, v0

    iget v1, p0, Landroid/support/v7/widget/LinearSmoothScroller;->MILLISECONDS_PER_PX:F

    mul-float/2addr 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 5
    .annotation build Landroid/support/annotation/Nullable;
    .end annotation

    invoke-virtual {p0}, Landroid/support/v7/widget/LinearSmoothScroller;->getLayoutManager()Landroid/support/v7/widget/RecyclerView$LayoutManager;

    move-result-object v0

    instance-of v1, v0, Landroid/support/v7/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;

    if-eqz v1, :cond_f

    check-cast v0, Landroid/support/v7/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;

    invoke-interface {v0, p1}, Landroid/support/v7/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;->computeScrollVectorForPosition(I)Landroid/graphics/PointF;

    move-result-object v0

    :goto_e
    return-object v0

    :cond_f
    const-string/jumbo v0, "LinearSmoothScroller"

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    const-string/jumbo v2, "You should override computeScrollVectorForPosition when the LayoutManager does not implement "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-class v2, Landroid/support/v7/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;

    invoke-virtual {v2}, Ljava/lang/Class;->getCanonicalName()Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-static {v0, v1}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    const/4 v0, 0x0

    goto :goto_e
.end method

.method protected getHorizontalSnapPreference()I
    .registers 3

    const/4 v1, 0x0

    iget-object v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF;

    if-eqz v0, :cond_d

    iget-object v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF;

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

    cmpl-float v0, v0, v1

    if-nez v0, :cond_f

    :cond_d
    const/4 v0, 0x0

    :goto_e
    return v0

    :cond_f
    iget-object v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF;

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

    cmpl-float v0, v0, v1

    if-lez v0, :cond_19

    const/4 v0, 0x1

    goto :goto_e

    :cond_19
    const/4 v0, -0x1

    goto :goto_e
.end method

.method protected getVerticalSnapPreference()I
    .registers 3

    const/4 v1, 0x0

    iget-object v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF;

    if-eqz v0, :cond_d

    iget-object v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF;

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

    cmpl-float v0, v0, v1

    if-nez v0, :cond_f

    :cond_d
    const/4 v0, 0x0

    :goto_e
    return v0

    :cond_f
    iget-object v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF;

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

    cmpl-float v0, v0, v1

    if-lez v0, :cond_19

    const/4 v0, 0x1

    goto :goto_e

    :cond_19
    const/4 v0, -0x1

    goto :goto_e
.end method

.method protected onSeekTargetStep(IILandroid/support/v7/widget/RecyclerView$State;Landroid/support/v7/widget/RecyclerView$SmoothScroller$Action;)V
    .registers 6

    invoke-virtual {p0}, Landroid/support/v7/widget/LinearSmoothScroller;->getChildCount()I

    move-result v0

    if-nez v0, :cond_a

    invoke-virtual {p0}, Landroid/support/v7/widget/LinearSmoothScroller;->stop()V

    :cond_9
    :goto_9
    return-void

    :cond_a
    iget v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mInterimTargetDx:I

    invoke-direct {p0, v0, p1}, Landroid/support/v7/widget/LinearSmoothScroller;->clampApplyScroll(II)I

    move-result v0

    iput v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mInterimTargetDx:I

    iget v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mInterimTargetDy:I

    invoke-direct {p0, v0, p2}, Landroid/support/v7/widget/LinearSmoothScroller;->clampApplyScroll(II)I

    move-result v0

    iput v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mInterimTargetDy:I

    iget v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mInterimTargetDx:I

    if-nez v0, :cond_9

    iget v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mInterimTargetDy:I

    if-nez v0, :cond_9

    invoke-virtual {p0, p4}, Landroid/support/v7/widget/LinearSmoothScroller;->updateActionForInterimTarget(Landroid/support/v7/widget/RecyclerView$SmoothScroller$Action;)V

    goto :goto_9
.end method

.method protected onStart()V
    .registers 1

    return-void
.end method

.method protected onStop()V
    .registers 2

    const/4 v0, 0x0

    iput v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mInterimTargetDy:I

    iput v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mInterimTargetDx:I

    const/4 v0, 0x0

    iput-object v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF;

    return-void
.end method

.method protected onTargetFound(Landroid/view/View;Landroid/support/v7/widget/RecyclerView$State;Landroid/support/v7/widget/RecyclerView$SmoothScroller$Action;)V
    .registers 8

    invoke-virtual {p0}, Landroid/support/v7/widget/LinearSmoothScroller;->getHorizontalSnapPreference()I

    move-result v0

    invoke-virtual {p0, p1, v0}, Landroid/support/v7/widget/LinearSmoothScroller;->calculateDxToMakeVisible(Landroid/view/View;I)I

    move-result v0

    invoke-virtual {p0}, Landroid/support/v7/widget/LinearSmoothScroller;->getVerticalSnapPreference()I

    move-result v1

    invoke-virtual {p0, p1, v1}, Landroid/support/v7/widget/LinearSmoothScroller;->calculateDyToMakeVisible(Landroid/view/View;I)I

    move-result v1

    mul-int v2, v0, v0

    mul-int v3, v1, v1

    add-int/2addr v2, v3

    int-to-double v2, v2

    invoke-static {v2, v3}, Ljava/lang/Math;->sqrt(D)D

    move-result-wide v2

    double-to-int v2, v2

    invoke-virtual {p0, v2}, Landroid/support/v7/widget/LinearSmoothScroller;->calculateTimeForDeceleration(I)I

    move-result v2

    if-lez v2, :cond_28

    neg-int v0, v0

    neg-int v1, v1

    iget-object v3, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mDecelerateInterpolator:Landroid/view/animation/DecelerateInterpolator;

    invoke-virtual {p3, v0, v1, v2, v3}, Landroid/support/v7/widget/RecyclerView$SmoothScroller$Action;->update(IIILandroid/view/animation/Interpolator;)V

    :cond_28
    return-void
.end method

.method protected updateActionForInterimTarget(Landroid/support/v7/widget/RecyclerView$SmoothScroller$Action;)V
    .registers 7

    const v4, 0x461c4000    # 10000.0f

    const/4 v2, 0x0

    const v3, 0x3f99999a    # 1.2f

    invoke-virtual {p0}, Landroid/support/v7/widget/LinearSmoothScroller;->getTargetPosition()I

    move-result v0

    invoke-virtual {p0, v0}, Landroid/support/v7/widget/LinearSmoothScroller;->computeScrollVectorForPosition(I)Landroid/graphics/PointF;

    move-result-object v0

    if-eqz v0, :cond_1d

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

    cmpl-float v1, v1, v2

    if-nez v1, :cond_28

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

    cmpl-float v1, v1, v2

    if-nez v1, :cond_28

    :cond_1d
    invoke-virtual {p0}, Landroid/support/v7/widget/LinearSmoothScroller;->getTargetPosition()I

    move-result v0

    invoke-virtual {p1, v0}, Landroid/support/v7/widget/RecyclerView$SmoothScroller$Action;->jumpTo(I)V

    invoke-virtual {p0}, Landroid/support/v7/widget/LinearSmoothScroller;->stop()V

    :goto_27
    return-void

    :cond_28
    invoke-virtual {p0, v0}, Landroid/support/v7/widget/LinearSmoothScroller;->normalize(Landroid/graphics/PointF;)V

    iput-object v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF;

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

    mul-float/2addr v1, v4

    float-to-int v1, v1

    iput v1, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mInterimTargetDx:I

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

    mul-float/2addr v0, v4

    float-to-int v0, v0

    iput v0, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mInterimTargetDy:I

    const/16 v0, 0x2710

    invoke-virtual {p0, v0}, Landroid/support/v7/widget/LinearSmoothScroller;->calculateTimeForScrolling(I)I

    move-result v0

    iget v1, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mInterimTargetDx:I

    int-to-float v1, v1

    mul-float/2addr v1, v3

    float-to-int v1, v1

    iget v2, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mInterimTargetDy:I

    int-to-float v2, v2

    mul-float/2addr v2, v3

    float-to-int v2, v2

    int-to-float v0, v0

    mul-float/2addr v0, v3

    float-to-int v0, v0

    iget-object v3, p0, Landroid/support/v7/widget/LinearSmoothScroller;->mLinearInterpolator:Landroid/view/animation/LinearInterpolator;

    invoke-virtual {p1, v1, v2, v0, v3}, Landroid/support/v7/widget/RecyclerView$SmoothScroller$Action;->update(IIILandroid/view/animation/Interpolator;)V

    goto :goto_27
.end method