PageTransformerAdapter.smali

.class final Landroidx/viewpager2/widget/PageTransformerAdapter;
.super Landroidx/viewpager2/widget/ViewPager2$OnPageChangeCallback;
.source "PageTransformerAdapter.java"


# instance fields
.field private final mLayoutManager:Landroidx/recyclerview/widget/LinearLayoutManager;

.field private mPageTransformer:Landroidx/viewpager2/widget/ViewPager2$PageTransformer;


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

    return-void
.end method

.method constructor <init>(Landroidx/recyclerview/widget/LinearLayoutManager;)V
    .registers 2
    .param p1, "layoutManager"    # Landroidx/recyclerview/widget/LinearLayoutManager;

    .line 36
    invoke-direct {p0}, Landroidx/viewpager2/widget/ViewPager2$OnPageChangeCallback;-><init>()V

    .line 37
    iput-object p1, p0, Landroidx/viewpager2/widget/PageTransformerAdapter;->mLayoutManager:Landroidx/recyclerview/widget/LinearLayoutManager;

    .line 38
    return-void
.end method


# virtual methods
.method getPageTransformer()Landroidx/viewpager2/widget/ViewPager2$PageTransformer;
    .registers 2

    .line 41
    iget-object v0, p0, Landroidx/viewpager2/widget/PageTransformerAdapter;->mPageTransformer:Landroidx/viewpager2/widget/ViewPager2$PageTransformer;

    return-object v0
.end method

.method public onPageScrollStateChanged(I)V
    .registers 2
    .param p1, "state"    # I

    .line 82
    return-void
.end method

.method public onPageScrolled(IFI)V
    .registers 12
    .param p1, "position"    # I
    .param p2, "positionOffset"    # F
    .param p3, "positionOffsetPixels"    # I

    .line 58
    iget-object v0, p0, Landroidx/viewpager2/widget/PageTransformerAdapter;->mPageTransformer:Landroidx/viewpager2/widget/ViewPager2$PageTransformer;

    if-nez v0, :cond_5

    .line 59
    return-void

    .line 62
    :cond_5
    neg-float v0, p2

    .line 63
    .local v0, "transformOffset":F
    const/4 v1, 0x0

    .local v1, "i":I
    :goto_7
    iget-object v2, p0, Landroidx/viewpager2/widget/PageTransformerAdapter;->mLayoutManager:Landroidx/recyclerview/widget/LinearLayoutManager;

    invoke-virtual {v2}, Landroidx/recyclerview/widget/LinearLayoutManager;->getChildCount()I

    move-result v2

    if-ge v1, v2, :cond_4e

    .line 64
    iget-object v2, p0, Landroidx/viewpager2/widget/PageTransformerAdapter;->mLayoutManager:Landroidx/recyclerview/widget/LinearLayoutManager;

    invoke-virtual {v2, v1}, Landroidx/recyclerview/widget/LinearLayoutManager;->getChildAt(I)Landroid/view/View;

    move-result-object v2

    .line 65
    .local v2, "view":Landroid/view/View;
    if-eqz v2, :cond_29

    .line 70
    iget-object v3, p0, Landroidx/viewpager2/widget/PageTransformerAdapter;->mLayoutManager:Landroidx/recyclerview/widget/LinearLayoutManager;

    invoke-virtual {v3, v2}, Landroidx/recyclerview/widget/LinearLayoutManager;->getPosition(Landroid/view/View;)I

    move-result v3

    .line 71
    .local v3, "currPos":I
    sub-int v4, v3, p1

    int-to-float v4, v4

    add-float/2addr v4, v0

    .line 72
    .local v4, "viewOffset":F
    iget-object v5, p0, Landroidx/viewpager2/widget/PageTransformerAdapter;->mPageTransformer:Landroidx/viewpager2/widget/ViewPager2$PageTransformer;

    invoke-interface {v5, v2, v4}, Landroidx/viewpager2/widget/ViewPager2$PageTransformer;->transformPage(Landroid/view/View;F)V

    .line 63
    .end local v2    # "view":Landroid/view/View;
    .end local v3    # "currPos":I
    .end local v4    # "viewOffset":F
    add-int/lit8 v1, v1, 0x1

    goto :goto_7

    .line 66
    .restart local v2    # "view":Landroid/view/View;
    :cond_29
    new-instance v3, Ljava/lang/IllegalStateException;

    sget-object v4, Ljava/util/Locale;->US:Ljava/util/Locale;

    const/4 v5, 0x2

    new-array v5, v5, [Ljava/lang/Object;

    const/4 v6, 0x0

    .line 68
    invoke-static {v1}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;

    move-result-object v7

    aput-object v7, v5, v6

    iget-object v6, p0, Landroidx/viewpager2/widget/PageTransformerAdapter;->mLayoutManager:Landroidx/recyclerview/widget/LinearLayoutManager;

    invoke-virtual {v6}, Landroidx/recyclerview/widget/LinearLayoutManager;->getChildCount()I

    move-result v6

    invoke-static {v6}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;

    move-result-object v6

    const/4 v7, 0x1

    aput-object v6, v5, v7

    .line 66
    const-string v6, "LayoutManager returned a null child at pos %d/%d while transforming pages"

    invoke-static {v4, v6, v5}, Ljava/lang/String;->format(Ljava/util/Locale;Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v4

    invoke-direct {v3, v4}, Ljava/lang/IllegalStateException;-><init>(Ljava/lang/String;)V

    throw v3

    .line 74
    .end local v1    # "i":I
    .end local v2    # "view":Landroid/view/View;
    :cond_4e
    return-void
.end method

.method public onPageSelected(I)V
    .registers 2
    .param p1, "position"    # I

    .line 78
    return-void
.end method

.method setPageTransformer(Landroidx/viewpager2/widget/ViewPager2$PageTransformer;)V
    .registers 2
    .param p1, "transformer"    # Landroidx/viewpager2/widget/ViewPager2$PageTransformer;

    .line 53
    iput-object p1, p0, Landroidx/viewpager2/widget/PageTransformerAdapter;->mPageTransformer:Landroidx/viewpager2/widget/ViewPager2$PageTransformer;

    .line 54
    return-void
.end method