416 lines
12 KiB
Smali
416 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;
|
|
|
|
iget-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
|