662 lines
17 KiB
Smali
662 lines
17 KiB
Smali
.class public Landroidx/recyclerview/widget/LinearSnapHelper;
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.super Landroidx/recyclerview/widget/SnapHelper;
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# static fields
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.field private static final INVALID_DISTANCE:F = 1.0f
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# instance fields
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.field private mHorizontalHelper:Landroidx/recyclerview/widget/OrientationHelper;
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.annotation build Landroidx/annotation/Nullable;
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.end annotation
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.end field
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.field private mVerticalHelper:Landroidx/recyclerview/widget/OrientationHelper;
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.annotation build Landroidx/annotation/Nullable;
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.end annotation
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.end field
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# direct methods
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.method public constructor <init>()V
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.locals 0
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invoke-direct {p0}, Landroidx/recyclerview/widget/SnapHelper;-><init>()V
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return-void
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.end method
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.method private computeDistancePerChild(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;Landroidx/recyclerview/widget/OrientationHelper;)F
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.locals 10
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invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getChildCount()I
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move-result v0
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const/high16 v1, 0x3f800000 # 1.0f
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if-nez v0, :cond_0
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return v1
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:cond_0
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const/4 v2, 0x0
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const/4 v3, 0x0
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const v4, 0x7fffffff
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const/high16 v5, -0x80000000
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move-object v5, v3
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const/high16 v6, -0x80000000
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:goto_0
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if-ge v2, v0, :cond_3
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invoke-virtual {p1, v2}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getChildAt(I)Landroid/view/View;
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move-result-object v7
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invoke-virtual {p1, v7}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getPosition(Landroid/view/View;)I
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move-result v8
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const/4 v9, -0x1
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if-eq v8, v9, :cond_2
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if-ge v8, v4, :cond_1
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move-object v3, v7
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move v4, v8
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:cond_1
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if-le v8, v6, :cond_2
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move-object v5, v7
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move v6, v8
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:cond_2
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add-int/lit8 v2, v2, 0x1
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goto :goto_0
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:cond_3
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if-eqz v3, :cond_6
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if-nez v5, :cond_4
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goto :goto_1
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:cond_4
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invoke-virtual {p2, v3}, Landroidx/recyclerview/widget/OrientationHelper;->getDecoratedStart(Landroid/view/View;)I
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move-result p1
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invoke-virtual {p2, v5}, Landroidx/recyclerview/widget/OrientationHelper;->getDecoratedStart(Landroid/view/View;)I
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move-result v0
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invoke-static {p1, v0}, Ljava/lang/Math;->min(II)I
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move-result p1
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invoke-virtual {p2, v3}, Landroidx/recyclerview/widget/OrientationHelper;->getDecoratedEnd(Landroid/view/View;)I
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move-result v0
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invoke-virtual {p2, v5}, Landroidx/recyclerview/widget/OrientationHelper;->getDecoratedEnd(Landroid/view/View;)I
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move-result p2
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invoke-static {v0, p2}, Ljava/lang/Math;->max(II)I
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move-result p2
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sub-int/2addr p2, p1
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if-nez p2, :cond_5
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return v1
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:cond_5
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int-to-float p1, p2
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mul-float p1, p1, v1
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sub-int/2addr v6, v4
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add-int/lit8 v6, v6, 0x1
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int-to-float p2, v6
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div-float/2addr p1, p2
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return p1
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:cond_6
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:goto_1
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return v1
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.end method
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.method private distanceToCenter(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;Landroid/view/View;Landroidx/recyclerview/widget/OrientationHelper;)I
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.locals 1
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.param p1 # Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
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.annotation build Landroidx/annotation/NonNull;
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.end annotation
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.end param
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.param p2 # Landroid/view/View;
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.annotation build Landroidx/annotation/NonNull;
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.end annotation
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.end param
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invoke-virtual {p3, p2}, Landroidx/recyclerview/widget/OrientationHelper;->getDecoratedStart(Landroid/view/View;)I
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move-result v0
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invoke-virtual {p3, p2}, Landroidx/recyclerview/widget/OrientationHelper;->getDecoratedMeasurement(Landroid/view/View;)I
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move-result p2
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div-int/lit8 p2, p2, 0x2
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add-int/2addr v0, p2
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invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getClipToPadding()Z
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move-result p1
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if-eqz p1, :cond_0
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invoke-virtual {p3}, Landroidx/recyclerview/widget/OrientationHelper;->getStartAfterPadding()I
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move-result p1
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invoke-virtual {p3}, Landroidx/recyclerview/widget/OrientationHelper;->getTotalSpace()I
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move-result p2
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div-int/lit8 p2, p2, 0x2
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add-int/2addr p1, p2
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goto :goto_0
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:cond_0
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invoke-virtual {p3}, Landroidx/recyclerview/widget/OrientationHelper;->getEnd()I
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move-result p1
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div-int/lit8 p1, p1, 0x2
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:goto_0
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sub-int/2addr v0, p1
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return v0
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.end method
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.method private estimateNextPositionDiffForFling(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;Landroidx/recyclerview/widget/OrientationHelper;II)I
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.locals 2
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invoke-virtual {p0, p3, p4}, Landroidx/recyclerview/widget/LinearSnapHelper;->calculateScrollDistance(II)[I
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move-result-object p3
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invoke-direct {p0, p1, p2}, Landroidx/recyclerview/widget/LinearSnapHelper;->computeDistancePerChild(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;Landroidx/recyclerview/widget/OrientationHelper;)F
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move-result p1
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const/4 p2, 0x0
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const/4 p4, 0x0
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cmpg-float p4, p1, p4
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if-gtz p4, :cond_0
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return p2
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:cond_0
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aget p4, p3, p2
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invoke-static {p4}, Ljava/lang/Math;->abs(I)I
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move-result p4
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const/4 v0, 0x1
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aget v1, p3, v0
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invoke-static {v1}, Ljava/lang/Math;->abs(I)I
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move-result v1
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if-le p4, v1, :cond_1
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aget p2, p3, p2
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goto :goto_0
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:cond_1
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aget p2, p3, v0
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:goto_0
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int-to-float p2, p2
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div-float/2addr p2, p1
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invoke-static {p2}, Ljava/lang/Math;->round(F)I
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move-result p1
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return p1
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.end method
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.method private findCenterView(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;Landroidx/recyclerview/widget/OrientationHelper;)Landroid/view/View;
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.locals 8
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.annotation build Landroidx/annotation/Nullable;
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.end annotation
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invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getChildCount()I
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move-result v0
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const/4 v1, 0x0
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if-nez v0, :cond_0
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return-object v1
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:cond_0
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invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getClipToPadding()Z
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move-result v2
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if-eqz v2, :cond_1
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invoke-virtual {p2}, Landroidx/recyclerview/widget/OrientationHelper;->getStartAfterPadding()I
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move-result v2
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invoke-virtual {p2}, Landroidx/recyclerview/widget/OrientationHelper;->getTotalSpace()I
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move-result v3
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div-int/lit8 v3, v3, 0x2
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add-int/2addr v2, v3
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goto :goto_0
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:cond_1
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invoke-virtual {p2}, Landroidx/recyclerview/widget/OrientationHelper;->getEnd()I
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move-result v2
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div-int/lit8 v2, v2, 0x2
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:goto_0
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const v3, 0x7fffffff
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const/4 v4, 0x0
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:goto_1
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if-ge v4, v0, :cond_3
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invoke-virtual {p1, v4}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getChildAt(I)Landroid/view/View;
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move-result-object v5
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invoke-virtual {p2, v5}, Landroidx/recyclerview/widget/OrientationHelper;->getDecoratedStart(Landroid/view/View;)I
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move-result v6
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invoke-virtual {p2, v5}, Landroidx/recyclerview/widget/OrientationHelper;->getDecoratedMeasurement(Landroid/view/View;)I
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move-result v7
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div-int/lit8 v7, v7, 0x2
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add-int/2addr v6, v7
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sub-int/2addr v6, v2
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invoke-static {v6}, Ljava/lang/Math;->abs(I)I
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move-result v6
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if-ge v6, v3, :cond_2
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move-object v1, v5
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move v3, v6
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:cond_2
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add-int/lit8 v4, v4, 0x1
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goto :goto_1
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:cond_3
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return-object v1
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.end method
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.method private getHorizontalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper;
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.locals 1
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.param p1 # Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
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.annotation build Landroidx/annotation/NonNull;
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.end annotation
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.end param
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.annotation build Landroidx/annotation/NonNull;
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.end annotation
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iget-object v0, p0, Landroidx/recyclerview/widget/LinearSnapHelper;->mHorizontalHelper:Landroidx/recyclerview/widget/OrientationHelper;
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if-eqz v0, :cond_0
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iget-object v0, p0, Landroidx/recyclerview/widget/LinearSnapHelper;->mHorizontalHelper:Landroidx/recyclerview/widget/OrientationHelper;
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iget-object v0, v0, Landroidx/recyclerview/widget/OrientationHelper;->mLayoutManager:Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
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if-eq v0, p1, :cond_1
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:cond_0
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invoke-static {p1}, Landroidx/recyclerview/widget/OrientationHelper;->createHorizontalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper;
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move-result-object p1
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iput-object p1, p0, Landroidx/recyclerview/widget/LinearSnapHelper;->mHorizontalHelper:Landroidx/recyclerview/widget/OrientationHelper;
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:cond_1
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iget-object p1, p0, Landroidx/recyclerview/widget/LinearSnapHelper;->mHorizontalHelper:Landroidx/recyclerview/widget/OrientationHelper;
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return-object p1
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.end method
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.method private getVerticalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper;
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.locals 1
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.param p1 # Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
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.annotation build Landroidx/annotation/NonNull;
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.end annotation
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.end param
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.annotation build Landroidx/annotation/NonNull;
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.end annotation
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iget-object v0, p0, Landroidx/recyclerview/widget/LinearSnapHelper;->mVerticalHelper:Landroidx/recyclerview/widget/OrientationHelper;
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if-eqz v0, :cond_0
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iget-object v0, p0, Landroidx/recyclerview/widget/LinearSnapHelper;->mVerticalHelper:Landroidx/recyclerview/widget/OrientationHelper;
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iget-object v0, v0, Landroidx/recyclerview/widget/OrientationHelper;->mLayoutManager:Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
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if-eq v0, p1, :cond_1
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:cond_0
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invoke-static {p1}, Landroidx/recyclerview/widget/OrientationHelper;->createVerticalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper;
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move-result-object p1
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iput-object p1, p0, Landroidx/recyclerview/widget/LinearSnapHelper;->mVerticalHelper:Landroidx/recyclerview/widget/OrientationHelper;
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:cond_1
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iget-object p1, p0, Landroidx/recyclerview/widget/LinearSnapHelper;->mVerticalHelper:Landroidx/recyclerview/widget/OrientationHelper;
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return-object p1
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.end method
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# virtual methods
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.method public calculateDistanceToFinalSnap(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;Landroid/view/View;)[I
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.locals 4
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.param p1 # Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
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.annotation build Landroidx/annotation/NonNull;
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.end annotation
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.end param
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.param p2 # Landroid/view/View;
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.annotation build Landroidx/annotation/NonNull;
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.end annotation
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.end param
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const/4 v0, 0x2
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new-array v0, v0, [I
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invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollHorizontally()Z
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move-result v1
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const/4 v2, 0x0
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if-eqz v1, :cond_0
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invoke-direct {p0, p1}, Landroidx/recyclerview/widget/LinearSnapHelper;->getHorizontalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper;
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move-result-object v1
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invoke-direct {p0, p1, p2, v1}, Landroidx/recyclerview/widget/LinearSnapHelper;->distanceToCenter(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;Landroid/view/View;Landroidx/recyclerview/widget/OrientationHelper;)I
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move-result v1
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aput v1, v0, v2
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goto :goto_0
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:cond_0
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aput v2, v0, v2
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:goto_0
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invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollVertically()Z
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move-result v1
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const/4 v3, 0x1
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if-eqz v1, :cond_1
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invoke-direct {p0, p1}, Landroidx/recyclerview/widget/LinearSnapHelper;->getVerticalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper;
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move-result-object v1
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invoke-direct {p0, p1, p2, v1}, Landroidx/recyclerview/widget/LinearSnapHelper;->distanceToCenter(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;Landroid/view/View;Landroidx/recyclerview/widget/OrientationHelper;)I
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move-result p1
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aput p1, v0, v3
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goto :goto_1
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:cond_1
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aput v2, v0, v3
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:goto_1
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return-object v0
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.end method
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.method public findSnapView(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroid/view/View;
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.locals 1
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invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollVertically()Z
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move-result v0
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if-eqz v0, :cond_0
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invoke-direct {p0, p1}, Landroidx/recyclerview/widget/LinearSnapHelper;->getVerticalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper;
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move-result-object v0
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:goto_0
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invoke-direct {p0, p1, v0}, Landroidx/recyclerview/widget/LinearSnapHelper;->findCenterView(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;Landroidx/recyclerview/widget/OrientationHelper;)Landroid/view/View;
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move-result-object p1
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return-object p1
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:cond_0
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invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollHorizontally()Z
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move-result v0
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if-eqz v0, :cond_1
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invoke-direct {p0, p1}, Landroidx/recyclerview/widget/LinearSnapHelper;->getHorizontalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper;
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move-result-object v0
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goto :goto_0
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:cond_1
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const/4 p1, 0x0
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return-object p1
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.end method
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.method public findTargetSnapPosition(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;II)I
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.locals 8
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instance-of v0, p1, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;
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const/4 v1, -0x1
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|
|
if-nez v0, :cond_0
|
|
|
|
return v1
|
|
|
|
:cond_0
|
|
invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getItemCount()I
|
|
|
|
move-result v0
|
|
|
|
if-nez v0, :cond_1
|
|
|
|
return v1
|
|
|
|
:cond_1
|
|
invoke-virtual {p0, p1}, Landroidx/recyclerview/widget/LinearSnapHelper;->findSnapView(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroid/view/View;
|
|
|
|
move-result-object v2
|
|
|
|
if-nez v2, :cond_2
|
|
|
|
return v1
|
|
|
|
:cond_2
|
|
invoke-virtual {p1, v2}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getPosition(Landroid/view/View;)I
|
|
|
|
move-result v2
|
|
|
|
if-ne v2, v1, :cond_3
|
|
|
|
return v1
|
|
|
|
:cond_3
|
|
move-object v3, p1
|
|
|
|
check-cast v3, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;
|
|
|
|
add-int/lit8 v4, v0, -0x1
|
|
|
|
invoke-interface {v3, v4}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;->computeScrollVectorForPosition(I)Landroid/graphics/PointF;
|
|
|
|
move-result-object v3
|
|
|
|
if-nez v3, :cond_4
|
|
|
|
return v1
|
|
|
|
:cond_4
|
|
invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollHorizontally()Z
|
|
|
|
move-result v5
|
|
|
|
const/4 v6, 0x0
|
|
|
|
const/4 v7, 0x0
|
|
|
|
if-eqz v5, :cond_5
|
|
|
|
invoke-direct {p0, p1}, Landroidx/recyclerview/widget/LinearSnapHelper;->getHorizontalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper;
|
|
|
|
move-result-object v5
|
|
|
|
invoke-direct {p0, p1, v5, p2, v7}, Landroidx/recyclerview/widget/LinearSnapHelper;->estimateNextPositionDiffForFling(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;Landroidx/recyclerview/widget/OrientationHelper;II)I
|
|
|
|
move-result p2
|
|
|
|
iget v5, v3, Landroid/graphics/PointF;->x:F
|
|
|
|
cmpg-float v5, v5, v6
|
|
|
|
if-gez v5, :cond_6
|
|
|
|
neg-int p2, p2
|
|
|
|
goto :goto_0
|
|
|
|
:cond_5
|
|
const/4 p2, 0x0
|
|
|
|
:cond_6
|
|
:goto_0
|
|
invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollVertically()Z
|
|
|
|
move-result v5
|
|
|
|
if-eqz v5, :cond_7
|
|
|
|
invoke-direct {p0, p1}, Landroidx/recyclerview/widget/LinearSnapHelper;->getVerticalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper;
|
|
|
|
move-result-object v5
|
|
|
|
invoke-direct {p0, p1, v5, v7, p3}, Landroidx/recyclerview/widget/LinearSnapHelper;->estimateNextPositionDiffForFling(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;Landroidx/recyclerview/widget/OrientationHelper;II)I
|
|
|
|
move-result p3
|
|
|
|
iget v3, v3, Landroid/graphics/PointF;->y:F
|
|
|
|
cmpg-float v3, v3, v6
|
|
|
|
if-gez v3, :cond_8
|
|
|
|
neg-int p3, p3
|
|
|
|
goto :goto_1
|
|
|
|
:cond_7
|
|
const/4 p3, 0x0
|
|
|
|
:cond_8
|
|
:goto_1
|
|
invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollVertically()Z
|
|
|
|
move-result p1
|
|
|
|
if-eqz p1, :cond_9
|
|
|
|
move p2, p3
|
|
|
|
:cond_9
|
|
if-nez p2, :cond_a
|
|
|
|
return v1
|
|
|
|
:cond_a
|
|
add-int/2addr v2, p2
|
|
|
|
if-gez v2, :cond_b
|
|
|
|
const/4 v2, 0x0
|
|
|
|
:cond_b
|
|
if-lt v2, v0, :cond_c
|
|
|
|
move v2, v4
|
|
|
|
:cond_c
|
|
return v2
|
|
.end method
|