apkfuckery/com.discord/smali/androidx/recyclerview/widget/LinearSnapHelper.smali
2019-02-04 21:29:01 +01:00

664 lines
17 KiB
Smali

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