.class public Landroidx/recyclerview/widget/PagerSnapHelper; .super Landroidx/recyclerview/widget/SnapHelper; .source "PagerSnapHelper.java" # static fields .field private static final MAX_SCROLL_ON_FLING_DURATION:I = 0x64 # 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 ()V .locals 0 invoke-direct {p0}, Landroidx/recyclerview/widget/SnapHelper;->()V return-void .end method .method private distanceToCenter(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;Landroid/view/View;Landroidx/recyclerview/widget/OrientationHelper;)I .locals 0 .param p1 # Landroidx/recyclerview/widget/RecyclerView$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 p1 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 p2, p1 invoke-virtual {p3}, Landroidx/recyclerview/widget/OrientationHelper;->getStartAfterPadding()I move-result p1 invoke-virtual {p3}, Landroidx/recyclerview/widget/OrientationHelper;->getTotalSpace()I move-result p3 div-int/lit8 p3, p3, 0x2 add-int/2addr p3, p1 sub-int/2addr p2, p3 return p2 .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 {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 v3, v2 const v2, 0x7fffffff const/4 v4, 0x0 :goto_0 if-ge v4, v0, :cond_2 invoke-virtual {p1, v4}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getChildAt(I)Landroid/view/View; move-result-object v5 invoke-virtual {p2, v5}, Landroidx/recyclerview/widget/OrientationHelper;->getDecoratedStart(Landroid/view/View;)I move-result v6 invoke-virtual {p2, v5}, Landroidx/recyclerview/widget/OrientationHelper;->getDecoratedMeasurement(Landroid/view/View;)I move-result v7 div-int/lit8 v7, v7, 0x2 add-int/2addr v7, v6 sub-int/2addr v7, v3 invoke-static {v7}, Ljava/lang/Math;->abs(I)I move-result v6 if-ge v6, v2, :cond_1 move-object v1, v5 move v2, v6 :cond_1 add-int/lit8 v4, v4, 0x1 goto :goto_0 :cond_2 return-object v1 .end method .method private getHorizontalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper; .locals 1 .param p1 # Landroidx/recyclerview/widget/RecyclerView$LayoutManager; .annotation build Landroidx/annotation/NonNull; .end annotation .end param .annotation build Landroidx/annotation/NonNull; .end annotation iget-object v0, p0, Landroidx/recyclerview/widget/PagerSnapHelper;->mHorizontalHelper:Landroidx/recyclerview/widget/OrientationHelper; if-eqz v0, :cond_0 iget-object v0, v0, Landroidx/recyclerview/widget/OrientationHelper;->mLayoutManager:Landroidx/recyclerview/widget/RecyclerView$LayoutManager; if-eq v0, p1, :cond_1 :cond_0 invoke-static {p1}, Landroidx/recyclerview/widget/OrientationHelper;->createHorizontalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper; move-result-object p1 iput-object p1, p0, Landroidx/recyclerview/widget/PagerSnapHelper;->mHorizontalHelper:Landroidx/recyclerview/widget/OrientationHelper; :cond_1 iget-object p1, p0, Landroidx/recyclerview/widget/PagerSnapHelper;->mHorizontalHelper:Landroidx/recyclerview/widget/OrientationHelper; return-object p1 .end method .method private getOrientationHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper; .locals 1 .annotation build Landroidx/annotation/Nullable; .end annotation invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollVertically()Z move-result v0 if-eqz v0, :cond_0 invoke-direct {p0, p1}, Landroidx/recyclerview/widget/PagerSnapHelper;->getVerticalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper; move-result-object p1 return-object p1 :cond_0 invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollHorizontally()Z move-result v0 if-eqz v0, :cond_1 invoke-direct {p0, p1}, Landroidx/recyclerview/widget/PagerSnapHelper;->getHorizontalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper; move-result-object p1 return-object p1 :cond_1 const/4 p1, 0x0 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/PagerSnapHelper;->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/PagerSnapHelper;->mVerticalHelper:Landroidx/recyclerview/widget/OrientationHelper; :cond_1 iget-object p1, p0, Landroidx/recyclerview/widget/PagerSnapHelper;->mVerticalHelper:Landroidx/recyclerview/widget/OrientationHelper; return-object p1 .end method .method private isForwardFling(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;II)Z .locals 2 invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollHorizontally()Z move-result p1 const/4 v0, 0x1 const/4 v1, 0x0 if-eqz p1, :cond_1 if-lez p2, :cond_0 goto :goto_0 :cond_0 const/4 v0, 0x0 :goto_0 return v0 :cond_1 if-lez p3, :cond_2 goto :goto_1 :cond_2 const/4 v0, 0x0 :goto_1 return v0 .end method .method private isReverseLayout(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Z .locals 4 invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getItemCount()I move-result v0 instance-of v1, p1, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$ScrollVectorProvider; const/4 v2, 0x0 if-eqz v1, :cond_1 check-cast p1, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$ScrollVectorProvider; const/4 v1, 0x1 sub-int/2addr v0, v1 invoke-interface {p1, v0}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$ScrollVectorProvider;->computeScrollVectorForPosition(I)Landroid/graphics/PointF; move-result-object p1 if-eqz p1, :cond_1 iget v0, p1, Landroid/graphics/PointF;->x:F const/4 v3, 0x0 cmpg-float v0, v0, v3 if-ltz v0, :cond_0 iget p1, p1, Landroid/graphics/PointF;->y:F cmpg-float p1, p1, v3 if-gez p1, :cond_1 :cond_0 const/4 v2, 0x1 :cond_1 return v2 .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 .annotation build Landroidx/annotation/Nullable; .end annotation const/4 v0, 0x2 new-array v0, v0, [I invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollHorizontally()Z move-result v1 const/4 v2, 0x0 if-eqz v1, :cond_0 invoke-direct {p0, p1}, Landroidx/recyclerview/widget/PagerSnapHelper;->getHorizontalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper; move-result-object v1 invoke-direct {p0, p1, p2, v1}, Landroidx/recyclerview/widget/PagerSnapHelper;->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/PagerSnapHelper;->getVerticalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper; move-result-object v1 invoke-direct {p0, p1, p2, v1}, Landroidx/recyclerview/widget/PagerSnapHelper;->distanceToCenter(Landroidx/recyclerview/widget/RecyclerView$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 createSnapScroller(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/LinearSmoothScroller; .locals 1 instance-of p1, p1, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$ScrollVectorProvider; if-nez p1, :cond_0 const/4 p1, 0x0 return-object p1 :cond_0 new-instance p1, Landroidx/recyclerview/widget/PagerSnapHelper$1; 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/PagerSnapHelper$1;->(Landroidx/recyclerview/widget/PagerSnapHelper;Landroid/content/Context;)V return-object p1 .end method .method public findSnapView(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroid/view/View; .locals 1 .annotation build Landroidx/annotation/Nullable; .end annotation invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollVertically()Z move-result v0 if-eqz v0, :cond_0 invoke-direct {p0, p1}, Landroidx/recyclerview/widget/PagerSnapHelper;->getVerticalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper; move-result-object v0 invoke-direct {p0, p1, v0}, Landroidx/recyclerview/widget/PagerSnapHelper;->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/PagerSnapHelper;->getHorizontalHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper; move-result-object v0 invoke-direct {p0, p1, v0}, Landroidx/recyclerview/widget/PagerSnapHelper;->findCenterView(Landroidx/recyclerview/widget/RecyclerView$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$LayoutManager;II)I .locals 11 invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getItemCount()I move-result v0 const/4 v1, -0x1 if-nez v0, :cond_0 return v1 :cond_0 invoke-direct {p0, p1}, Landroidx/recyclerview/widget/PagerSnapHelper;->getOrientationHelper(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Landroidx/recyclerview/widget/OrientationHelper; move-result-object v2 if-nez v2, :cond_1 return v1 :cond_1 const/high16 v3, -0x80000000 const v4, 0x7fffffff invoke-virtual {p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getChildCount()I move-result v5 const/4 v6, 0x0 const/4 v7, 0x0 move-object v8, v7 :goto_0 if-ge v6, v5, :cond_5 invoke-virtual {p1, v6}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getChildAt(I)Landroid/view/View; move-result-object v9 if-nez v9, :cond_2 goto :goto_1 :cond_2 invoke-direct {p0, p1, v9, v2}, Landroidx/recyclerview/widget/PagerSnapHelper;->distanceToCenter(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;Landroid/view/View;Landroidx/recyclerview/widget/OrientationHelper;)I move-result v10 if-gtz v10, :cond_3 if-le v10, v3, :cond_3 move-object v8, v9 move v3, v10 :cond_3 if-ltz v10, :cond_4 if-ge v10, v4, :cond_4 move-object v7, v9 move v4, v10 :cond_4 :goto_1 add-int/lit8 v6, v6, 0x1 goto :goto_0 :cond_5 invoke-direct {p0, p1, p2, p3}, Landroidx/recyclerview/widget/PagerSnapHelper;->isForwardFling(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;II)Z move-result p2 if-eqz p2, :cond_6 if-eqz v7, :cond_6 invoke-virtual {p1, v7}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getPosition(Landroid/view/View;)I move-result p1 return p1 :cond_6 if-nez p2, :cond_7 if-eqz v8, :cond_7 invoke-virtual {p1, v8}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getPosition(Landroid/view/View;)I move-result p1 return p1 :cond_7 if-eqz p2, :cond_8 move-object v7, v8 :cond_8 if-nez v7, :cond_9 return v1 :cond_9 invoke-virtual {p1, v7}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getPosition(Landroid/view/View;)I move-result p3 invoke-direct {p0, p1}, Landroidx/recyclerview/widget/PagerSnapHelper;->isReverseLayout(Landroidx/recyclerview/widget/RecyclerView$LayoutManager;)Z move-result p1 if-ne p1, p2, :cond_a const/4 p1, -0x1 goto :goto_2 :cond_a const/4 p1, 0x1 :goto_2 add-int/2addr p3, p1 if-ltz p3, :cond_c if-lt p3, v0, :cond_b goto :goto_3 :cond_b return p3 :cond_c :goto_3 return v1 .end method