apkfuckery/com.discord/smali/androidx/recyclerview/widget/SnapHelper.smali
2020-07-08 16:44:49 +00:00

414 lines
12 KiB
Smali

.class public abstract Landroidx/recyclerview/widget/SnapHelper;
.super Landroidx/recyclerview/widget/RecyclerView$OnFlingListener;
.source "SnapHelper.java"
# static fields
.field public static final MILLISECONDS_PER_INCH:F = 100.0f
# instance fields
.field public mGravityScroller:Landroid/widget/Scroller;
.field public mRecyclerView:Landroidx/recyclerview/widget/RecyclerView;
.field public final mScrollListener:Landroidx/recyclerview/widget/RecyclerView$OnScrollListener;
# direct methods
.method public constructor <init>()V
.locals 1
invoke-direct {p0}, Landroidx/recyclerview/widget/RecyclerView$OnFlingListener;-><init>()V
new-instance v0, Landroidx/recyclerview/widget/SnapHelper$1;
invoke-direct {v0, p0}, Landroidx/recyclerview/widget/SnapHelper$1;-><init>(Landroidx/recyclerview/widget/SnapHelper;)V
iput-object v0, p0, Landroidx/recyclerview/widget/SnapHelper;->mScrollListener:Landroidx/recyclerview/widget/RecyclerView$OnScrollListener;
return-void
.end method
.method private destroyCallbacks()V
.locals 2
iget-object v0, p0, Landroidx/recyclerview/widget/SnapHelper;->mRecyclerView:Landroidx/recyclerview/widget/RecyclerView;
iget-object v1, p0, Landroidx/recyclerview/widget/SnapHelper;->mScrollListener:Landroidx/recyclerview/widget/RecyclerView$OnScrollListener;
invoke-virtual {v0, v1}, Landroidx/recyclerview/widget/RecyclerView;->removeOnScrollListener(Landroidx/recyclerview/widget/RecyclerView$OnScrollListener;)V
iget-object v0, p0, Landroidx/recyclerview/widget/SnapHelper;->mRecyclerView:Landroidx/recyclerview/widget/RecyclerView;
const/4 v1, 0x0
invoke-virtual {v0, v1}, Landroidx/recyclerview/widget/RecyclerView;->setOnFlingListener(Landroidx/recyclerview/widget/RecyclerView$OnFlingListener;)V
return-void
.end method
.method private setupCallbacks()V
.locals 2
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/lang/IllegalStateException;
}
.end annotation
iget-object v0, p0, Landroidx/recyclerview/widget/SnapHelper;->mRecyclerView:Landroidx/recyclerview/widget/RecyclerView;
invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView;->getOnFlingListener()Landroidx/recyclerview/widget/RecyclerView$OnFlingListener;
move-result-object v0
if-nez v0, :cond_0
iget-object v0, p0, Landroidx/recyclerview/widget/SnapHelper;->mRecyclerView:Landroidx/recyclerview/widget/RecyclerView;
iget-object v1, p0, Landroidx/recyclerview/widget/SnapHelper;->mScrollListener:Landroidx/recyclerview/widget/RecyclerView$OnScrollListener;
invoke-virtual {v0, v1}, Landroidx/recyclerview/widget/RecyclerView;->addOnScrollListener(Landroidx/recyclerview/widget/RecyclerView$OnScrollListener;)V
iget-object v0, p0, Landroidx/recyclerview/widget/SnapHelper;->mRecyclerView:Landroidx/recyclerview/widget/RecyclerView;
invoke-virtual {v0, p0}, Landroidx/recyclerview/widget/RecyclerView;->setOnFlingListener(Landroidx/recyclerview/widget/RecyclerView$OnFlingListener;)V
return-void
:cond_0
new-instance v0, Ljava/lang/IllegalStateException;
const-string v1, "An instance of OnFlingListener already set."
invoke-direct {v0, v1}, Ljava/lang/IllegalStateException;-><init>(Ljava/lang/String;)V
throw v0
.end method
.method private snapFromFling(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;II)Z
.locals 2
.param p1 # Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
.annotation build Landroidx/annotation/NonNull;
.end annotation
.end param
instance-of v0, p1, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;
const/4 v1, 0x0
if-nez v0, :cond_0
return v1
:cond_0
invoke-virtual {p0, p1}, Landroidx/recyclerview/widget/SnapHelper;->createScroller(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/RecyclerView$SmoothScroller;
move-result-object v0
if-nez v0, :cond_1
return v1
:cond_1
invoke-virtual {p0, p1, p2, p3}, Landroidx/recyclerview/widget/SnapHelper;->findTargetSnapPosition(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;II)I
move-result p2
const/4 p3, -0x1
if-ne p2, p3, :cond_2
return v1
:cond_2
invoke-virtual {v0, p2}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller;->setTargetPosition(I)V
invoke-virtual {p1, v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->startSmoothScroll(Landroidx/recyclerview/widget/RecyclerView$SmoothScroller;)V
const/4 p1, 0x1
return p1
.end method
# virtual methods
.method public attachToRecyclerView(Landroidx/recyclerview/widget/RecyclerView;)V
.locals 2
.param p1 # Landroidx/recyclerview/widget/RecyclerView;
.annotation build Landroidx/annotation/Nullable;
.end annotation
.end param
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/lang/IllegalStateException;
}
.end annotation
iget-object v0, p0, Landroidx/recyclerview/widget/SnapHelper;->mRecyclerView:Landroidx/recyclerview/widget/RecyclerView;
if-ne v0, p1, :cond_0
return-void
:cond_0
if-eqz v0, :cond_1
invoke-direct {p0}, Landroidx/recyclerview/widget/SnapHelper;->destroyCallbacks()V
:cond_1
iput-object p1, p0, Landroidx/recyclerview/widget/SnapHelper;->mRecyclerView:Landroidx/recyclerview/widget/RecyclerView;
if-eqz p1, :cond_2
invoke-direct {p0}, Landroidx/recyclerview/widget/SnapHelper;->setupCallbacks()V
new-instance p1, Landroid/widget/Scroller;
iget-object v0, p0, Landroidx/recyclerview/widget/SnapHelper;->mRecyclerView:Landroidx/recyclerview/widget/RecyclerView;
invoke-virtual {v0}, Landroid/view/ViewGroup;->getContext()Landroid/content/Context;
move-result-object v0
new-instance v1, Landroid/view/animation/DecelerateInterpolator;
invoke-direct {v1}, Landroid/view/animation/DecelerateInterpolator;-><init>()V
invoke-direct {p1, v0, v1}, Landroid/widget/Scroller;-><init>(Landroid/content/Context;Landroid/view/animation/Interpolator;)V
iput-object p1, p0, Landroidx/recyclerview/widget/SnapHelper;->mGravityScroller:Landroid/widget/Scroller;
invoke-virtual {p0}, Landroidx/recyclerview/widget/SnapHelper;->snapToTargetExistingView()V
:cond_2
return-void
.end method
.method public abstract calculateDistanceToFinalSnap(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;Landroid/view/View;)[I
.param p1 # Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
.annotation build Landroidx/annotation/NonNull;
.end annotation
.end param
.param p2 # Landroid/view/View;
.annotation build Landroidx/annotation/NonNull;
.end annotation
.end param
.annotation build Landroidx/annotation/Nullable;
.end annotation
.end method
.method public calculateScrollDistance(II)[I
.locals 10
const/4 v0, 0x2
new-array v0, v0, [I
iget-object v1, p0, Landroidx/recyclerview/widget/SnapHelper;->mGravityScroller:Landroid/widget/Scroller;
const/4 v2, 0x0
const/4 v3, 0x0
const/high16 v6, -0x80000000
const v7, 0x7fffffff
const/high16 v8, -0x80000000
const v9, 0x7fffffff
move v4, p1
move v5, p2
invoke-virtual/range {v1 .. v9}, Landroid/widget/Scroller;->fling(IIIIIIII)V
iget-object p1, p0, Landroidx/recyclerview/widget/SnapHelper;->mGravityScroller:Landroid/widget/Scroller;
invoke-virtual {p1}, Landroid/widget/Scroller;->getFinalX()I
move-result p1
const/4 p2, 0x0
aput p1, v0, p2
iget-object p1, p0, Landroidx/recyclerview/widget/SnapHelper;->mGravityScroller:Landroid/widget/Scroller;
invoke-virtual {p1}, Landroid/widget/Scroller;->getFinalY()I
move-result p1
const/4 p2, 0x1
aput p1, v0, p2
return-object v0
.end method
.method public createScroller(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/RecyclerView$SmoothScroller;
.locals 0
.annotation build Landroidx/annotation/Nullable;
.end annotation
invoke-virtual {p0, p1}, Landroidx/recyclerview/widget/SnapHelper;->createSnapScroller(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/LinearSmoothScroller;
move-result-object p1
return-object p1
.end method
.method public createSnapScroller(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/LinearSmoothScroller;
.locals 1
.annotation build Landroidx/annotation/Nullable;
.end annotation
.annotation runtime Ljava/lang/Deprecated;
.end annotation
instance-of p1, p1, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;
if-nez p1, :cond_0
const/4 p1, 0x0
return-object p1
:cond_0
new-instance p1, Landroidx/recyclerview/widget/SnapHelper$2;
iget-object v0, p0, Landroidx/recyclerview/widget/SnapHelper;->mRecyclerView:Landroidx/recyclerview/widget/RecyclerView;
invoke-virtual {v0}, Landroid/view/ViewGroup;->getContext()Landroid/content/Context;
move-result-object v0
invoke-direct {p1, p0, v0}, Landroidx/recyclerview/widget/SnapHelper$2;-><init>(Landroidx/recyclerview/widget/SnapHelper;Landroid/content/Context;)V
return-object p1
.end method
.method public abstract findSnapView(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroid/view/View;
.annotation build Landroidx/annotation/Nullable;
.end annotation
.end method
.method public abstract findTargetSnapPosition(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;II)I
.end method
.method public onFling(II)Z
.locals 4
iget-object v0, p0, Landroidx/recyclerview/widget/SnapHelper;->mRecyclerView:Landroidx/recyclerview/widget/RecyclerView;
invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView;->getLayoutManager()Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
move-result-object v0
const/4 v1, 0x0
if-nez v0, :cond_0
return v1
:cond_0
iget-object v2, p0, Landroidx/recyclerview/widget/SnapHelper;->mRecyclerView:Landroidx/recyclerview/widget/RecyclerView;
invoke-virtual {v2}, Landroidx/recyclerview/widget/RecyclerView;->getAdapter()Landroidx/recyclerview/widget/RecyclerView$Adapter;
move-result-object v2
if-nez v2, :cond_1
return v1
:cond_1
iget-object v2, p0, Landroidx/recyclerview/widget/SnapHelper;->mRecyclerView:Landroidx/recyclerview/widget/RecyclerView;
invoke-virtual {v2}, Landroidx/recyclerview/widget/RecyclerView;->getMinFlingVelocity()I
move-result v2
invoke-static {p2}, Ljava/lang/Math;->abs(I)I
move-result v3
if-gt v3, v2, :cond_2
invoke-static {p1}, Ljava/lang/Math;->abs(I)I
move-result v3
if-le v3, v2, :cond_3
:cond_2
invoke-direct {p0, v0, p1, p2}, Landroidx/recyclerview/widget/SnapHelper;->snapFromFling(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;II)Z
move-result p1
if-eqz p1, :cond_3
const/4 v1, 0x1
:cond_3
return v1
.end method
.method public snapToTargetExistingView()V
.locals 4
iget-object v0, p0, Landroidx/recyclerview/widget/SnapHelper;->mRecyclerView:Landroidx/recyclerview/widget/RecyclerView;
if-nez v0, :cond_0
return-void
:cond_0
invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView;->getLayoutManager()Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
move-result-object v0
if-nez v0, :cond_1
return-void
:cond_1
invoke-virtual {p0, v0}, Landroidx/recyclerview/widget/SnapHelper;->findSnapView(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroid/view/View;
move-result-object v1
if-nez v1, :cond_2
return-void
:cond_2
invoke-virtual {p0, v0, v1}, Landroidx/recyclerview/widget/SnapHelper;->calculateDistanceToFinalSnap(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;Landroid/view/View;)[I
move-result-object v0
const/4 v1, 0x0
aget v2, v0, v1
const/4 v3, 0x1
if-nez v2, :cond_3
aget v2, v0, v3
if-eqz v2, :cond_4
:cond_3
iget-object v2, p0, Landroidx/recyclerview/widget/SnapHelper;->mRecyclerView:Landroidx/recyclerview/widget/RecyclerView;
aget v1, v0, v1
aget v0, v0, v3
invoke-virtual {v2, v1, v0}, Landroidx/recyclerview/widget/RecyclerView;->smoothScrollBy(II)V
:cond_4
return-void
.end method