MarginPageTransformer.smali

.class public final Landroidx/viewpager2/widget/MarginPageTransformer;
.super Ljava/lang/Object;
.source "MarginPageTransformer.java"

# interfaces
.implements Landroidx/viewpager2/widget/ViewPager2$PageTransformer;


# instance fields
.field private final mMarginPx:I


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

    return-void
.end method

.method public constructor <init>(I)V
    .registers 3
    .param p1, "marginPx"    # I

    .line 47
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 48
    const-string v0, "Margin must be non-negative"

    invoke-static {p1, v0}, Landroidx/core/util/Preconditions;->checkArgumentNonnegative(ILjava/lang/String;)I

    .line 49
    iput p1, p0, Landroidx/viewpager2/widget/MarginPageTransformer;->mMarginPx:I

    .line 50
    return-void
.end method

.method private requireViewPager(Landroid/view/View;)Landroidx/viewpager2/widget/ViewPager2;
    .registers 6
    .param p1, "page"    # Landroid/view/View;

    .line 66
    invoke-virtual {p1}, Landroid/view/View;->getParent()Landroid/view/ViewParent;

    move-result-object v0

    .line 67
    .local v0, "parent":Landroid/view/ViewParent;
    invoke-interface {v0}, Landroid/view/ViewParent;->getParent()Landroid/view/ViewParent;

    move-result-object v1

    .line 69
    .local v1, "parentParent":Landroid/view/ViewParent;
    instance-of v2, v0, Landroidx/recyclerview/widget/RecyclerView;

    if-eqz v2, :cond_14

    instance-of v2, v1, Landroidx/viewpager2/widget/ViewPager2;

    if-eqz v2, :cond_14

    .line 70
    move-object v2, v1

    check-cast v2, Landroidx/viewpager2/widget/ViewPager2;

    return-object v2

    .line 73
    :cond_14
    new-instance v2, Ljava/lang/IllegalStateException;

    const-string v3, "Expected the page view to be managed by a ViewPager2 instance."

    invoke-direct {v2, v3}, Ljava/lang/IllegalStateException;-><init>(Ljava/lang/String;)V

    throw v2
.end method


# virtual methods
.method public transformPage(Landroid/view/View;F)V
    .registers 6
    .param p1, "page"    # Landroid/view/View;
    .param p2, "position"    # F

    .line 54
    invoke-direct {p0, p1}, Landroidx/viewpager2/widget/MarginPageTransformer;->requireViewPager(Landroid/view/View;)Landroidx/viewpager2/widget/ViewPager2;

    move-result-object v0

    .line 56
    .local v0, "viewPager":Landroidx/viewpager2/widget/ViewPager2;
    iget v1, p0, Landroidx/viewpager2/widget/MarginPageTransformer;->mMarginPx:I

    int-to-float v1, v1

    mul-float v1, v1, p2

    .line 58
    .local v1, "offset":F
    invoke-virtual {v0}, Landroidx/viewpager2/widget/ViewPager2;->getOrientation()I

    move-result v2

    if-nez v2, :cond_1c

    .line 59
    invoke-virtual {v0}, Landroidx/viewpager2/widget/ViewPager2;->isRtl()Z

    move-result v2

    if-eqz v2, :cond_17

    neg-float v2, v1

    goto :goto_18

    :cond_17
    move v2, v1

    :goto_18
    invoke-virtual {p1, v2}, Landroid/view/View;->setTranslationX(F)V

    goto :goto_1f

    .line 61
    :cond_1c
    invoke-virtual {p1, v1}, Landroid/view/View;->setTranslationY(F)V

    .line 63
    :goto_1f
    return-void
.end method