.class public Landroidx/recyclerview/widget/LinearSmoothScroller; .super Landroidx/recyclerview/widget/RecyclerView$SmoothScroller; # static fields .field private static final DEBUG:Z = false .field private static final MILLISECONDS_PER_INCH:F = 25.0f .field public static final SNAP_TO_ANY:I = 0x0 .field public static final SNAP_TO_END:I = 0x1 .field public static final SNAP_TO_START:I = -0x1 .field private static final TAG:Ljava/lang/String; = "LinearSmoothScroller" .field private static final TARGET_SEEK_EXTRA_SCROLL_RATIO:F = 1.2f .field private static final TARGET_SEEK_SCROLL_DISTANCE_PX:I = 0x2710 # instance fields .field private final MILLISECONDS_PER_PX:F .field protected final mDecelerateInterpolator:Landroid/view/animation/DecelerateInterpolator; .field protected mInterimTargetDx:I .field protected mInterimTargetDy:I .field protected final mLinearInterpolator:Landroid/view/animation/LinearInterpolator; .field protected mTargetVector:Landroid/graphics/PointF; # direct methods .method public constructor (Landroid/content/Context;)V .locals 1 invoke-direct {p0}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller;->()V new-instance v0, Landroid/view/animation/LinearInterpolator; invoke-direct {v0}, Landroid/view/animation/LinearInterpolator;->()V iput-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mLinearInterpolator:Landroid/view/animation/LinearInterpolator; new-instance v0, Landroid/view/animation/DecelerateInterpolator; invoke-direct {v0}, Landroid/view/animation/DecelerateInterpolator;->()V iput-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mDecelerateInterpolator:Landroid/view/animation/DecelerateInterpolator; const/4 v0, 0x0 iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDx:I iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDy:I invoke-virtual {p1}, Landroid/content/Context;->getResources()Landroid/content/res/Resources; move-result-object p1 invoke-virtual {p1}, Landroid/content/res/Resources;->getDisplayMetrics()Landroid/util/DisplayMetrics; move-result-object p1 invoke-virtual {p0, p1}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateSpeedPerPixel(Landroid/util/DisplayMetrics;)F move-result p1 iput p1, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->MILLISECONDS_PER_PX:F return-void .end method .method private clampApplyScroll(II)I .locals 0 sub-int p2, p1, p2 mul-int p1, p1, p2 if-gtz p1, :cond_0 const/4 p1, 0x0 return p1 :cond_0 return p2 .end method # virtual methods .method public calculateDtToFit(IIIII)I .locals 0 packed-switch p5, :pswitch_data_0 new-instance p1, Ljava/lang/IllegalArgumentException; const-string p2, "snap preference should be one of the constants defined in SmoothScroller, starting with SNAP_" invoke-direct {p1, p2}, Ljava/lang/IllegalArgumentException;->(Ljava/lang/String;)V throw p1 :pswitch_0 sub-int/2addr p4, p2 return p4 :pswitch_1 sub-int/2addr p3, p1 if-lez p3, :cond_0 return p3 :cond_0 sub-int/2addr p4, p2 if-gez p4, :cond_1 return p4 :cond_1 const/4 p1, 0x0 return p1 :pswitch_2 sub-int/2addr p3, p1 return p3 nop :pswitch_data_0 .packed-switch -0x1 :pswitch_2 :pswitch_1 :pswitch_0 .end packed-switch .end method .method public calculateDxToMakeVisible(Landroid/view/View;I)I .locals 10 invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->getLayoutManager()Landroidx/recyclerview/widget/RecyclerView$LayoutManager; move-result-object v0 if-eqz v0, :cond_1 invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollHorizontally()Z move-result v1 if-nez v1, :cond_0 goto :goto_0 :cond_0 invoke-virtual {p1}, Landroid/view/View;->getLayoutParams()Landroid/view/ViewGroup$LayoutParams; move-result-object v1 check-cast v1, Landroidx/recyclerview/widget/RecyclerView$LayoutParams; invoke-virtual {v0, p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getDecoratedLeft(Landroid/view/View;)I move-result v2 iget v3, v1, Landroidx/recyclerview/widget/RecyclerView$LayoutParams;->leftMargin:I sub-int v5, v2, v3 invoke-virtual {v0, p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getDecoratedRight(Landroid/view/View;)I move-result p1 iget v1, v1, Landroidx/recyclerview/widget/RecyclerView$LayoutParams;->rightMargin:I add-int v6, p1, v1 invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getPaddingLeft()I move-result v7 invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getWidth()I move-result p1 invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getPaddingRight()I move-result v0 sub-int v8, p1, v0 move-object v4, p0 move v9, p2 invoke-virtual/range {v4 .. v9}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateDtToFit(IIIII)I move-result p1 return p1 :cond_1 :goto_0 const/4 p1, 0x0 return p1 .end method .method public calculateDyToMakeVisible(Landroid/view/View;I)I .locals 10 invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->getLayoutManager()Landroidx/recyclerview/widget/RecyclerView$LayoutManager; move-result-object v0 if-eqz v0, :cond_1 invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollVertically()Z move-result v1 if-nez v1, :cond_0 goto :goto_0 :cond_0 invoke-virtual {p1}, Landroid/view/View;->getLayoutParams()Landroid/view/ViewGroup$LayoutParams; move-result-object v1 check-cast v1, Landroidx/recyclerview/widget/RecyclerView$LayoutParams; invoke-virtual {v0, p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getDecoratedTop(Landroid/view/View;)I move-result v2 iget v3, v1, Landroidx/recyclerview/widget/RecyclerView$LayoutParams;->topMargin:I sub-int v5, v2, v3 invoke-virtual {v0, p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getDecoratedBottom(Landroid/view/View;)I move-result p1 iget v1, v1, Landroidx/recyclerview/widget/RecyclerView$LayoutParams;->bottomMargin:I add-int v6, p1, v1 invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getPaddingTop()I move-result v7 invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getHeight()I move-result p1 invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getPaddingBottom()I move-result v0 sub-int v8, p1, v0 move-object v4, p0 move v9, p2 invoke-virtual/range {v4 .. v9}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateDtToFit(IIIII)I move-result p1 return p1 :cond_1 :goto_0 const/4 p1, 0x0 return p1 .end method .method protected calculateSpeedPerPixel(Landroid/util/DisplayMetrics;)F .locals 1 iget p1, p1, Landroid/util/DisplayMetrics;->densityDpi:I int-to-float p1, p1 const/high16 v0, 0x41c80000 # 25.0f div-float/2addr v0, p1 return v0 .end method .method protected calculateTimeForDeceleration(I)I .locals 4 invoke-virtual {p0, p1}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateTimeForScrolling(I)I move-result p1 int-to-double v0, p1 const-wide v2, 0x3fd57a786c22680aL # 0.3356 invoke-static {v0, v1}, Ljava/lang/Double;->isNaN(D)Z div-double/2addr v0, v2 invoke-static {v0, v1}, Ljava/lang/Math;->ceil(D)D move-result-wide v0 double-to-int p1, v0 return p1 .end method .method protected calculateTimeForScrolling(I)I .locals 2 invoke-static {p1}, Ljava/lang/Math;->abs(I)I move-result p1 int-to-float p1, p1 iget v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->MILLISECONDS_PER_PX:F mul-float p1, p1, v0 float-to-double v0, p1 invoke-static {v0, v1}, Ljava/lang/Math;->ceil(D)D move-result-wide v0 double-to-int p1, v0 return p1 .end method .method protected getHorizontalSnapPreference()I .locals 2 iget-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF; if-eqz v0, :cond_2 iget-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF; iget v0, v0, Landroid/graphics/PointF;->x:F const/4 v1, 0x0 cmpl-float v0, v0, v1 if-nez v0, :cond_0 goto :goto_0 :cond_0 iget-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF; iget v0, v0, Landroid/graphics/PointF;->x:F cmpl-float v0, v0, v1 if-lez v0, :cond_1 const/4 v0, 0x1 return v0 :cond_1 const/4 v0, -0x1 return v0 :cond_2 :goto_0 const/4 v0, 0x0 return v0 .end method .method protected getVerticalSnapPreference()I .locals 2 iget-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF; if-eqz v0, :cond_2 iget-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF; iget v0, v0, Landroid/graphics/PointF;->y:F const/4 v1, 0x0 cmpl-float v0, v0, v1 if-nez v0, :cond_0 goto :goto_0 :cond_0 iget-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF; iget v0, v0, Landroid/graphics/PointF;->y:F cmpl-float v0, v0, v1 if-lez v0, :cond_1 const/4 v0, 0x1 return v0 :cond_1 const/4 v0, -0x1 return v0 :cond_2 :goto_0 const/4 v0, 0x0 return v0 .end method .method protected onSeekTargetStep(IILandroidx/recyclerview/widget/RecyclerView$State;Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;)V .locals 0 invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->getChildCount()I move-result p3 if-nez p3, :cond_0 invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->stop()V return-void :cond_0 iget p3, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDx:I invoke-direct {p0, p3, p1}, Landroidx/recyclerview/widget/LinearSmoothScroller;->clampApplyScroll(II)I move-result p1 iput p1, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDx:I iget p1, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDy:I invoke-direct {p0, p1, p2}, Landroidx/recyclerview/widget/LinearSmoothScroller;->clampApplyScroll(II)I move-result p1 iput p1, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDy:I iget p1, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDx:I if-nez p1, :cond_1 iget p1, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDy:I if-nez p1, :cond_1 invoke-virtual {p0, p4}, Landroidx/recyclerview/widget/LinearSmoothScroller;->updateActionForInterimTarget(Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;)V :cond_1 return-void .end method .method protected onStart()V .locals 0 return-void .end method .method protected onStop()V .locals 1 const/4 v0, 0x0 iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDy:I iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDx:I const/4 v0, 0x0 iput-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF; return-void .end method .method protected onTargetFound(Landroid/view/View;Landroidx/recyclerview/widget/RecyclerView$State;Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;)V .locals 2 invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->getHorizontalSnapPreference()I move-result p2 invoke-virtual {p0, p1, p2}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateDxToMakeVisible(Landroid/view/View;I)I move-result p2 invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->getVerticalSnapPreference()I move-result v0 invoke-virtual {p0, p1, v0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateDyToMakeVisible(Landroid/view/View;I)I move-result p1 mul-int v0, p2, p2 mul-int v1, p1, p1 add-int/2addr v0, v1 int-to-double v0, v0 invoke-static {v0, v1}, Ljava/lang/Math;->sqrt(D)D move-result-wide v0 double-to-int v0, v0 invoke-virtual {p0, v0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateTimeForDeceleration(I)I move-result v0 if-lez v0, :cond_0 neg-int p2, p2 neg-int p1, p1 iget-object v1, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mDecelerateInterpolator:Landroid/view/animation/DecelerateInterpolator; invoke-virtual {p3, p2, p1, v0, v1}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;->update(IIILandroid/view/animation/Interpolator;)V :cond_0 return-void .end method .method protected updateActionForInterimTarget(Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;)V .locals 4 invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->getTargetPosition()I move-result v0 invoke-virtual {p0, v0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->computeScrollVectorForPosition(I)Landroid/graphics/PointF; move-result-object v0 if-eqz v0, :cond_1 iget v1, v0, Landroid/graphics/PointF;->x:F const/4 v2, 0x0 cmpl-float v1, v1, v2 if-nez v1, :cond_0 iget v1, v0, Landroid/graphics/PointF;->y:F cmpl-float v1, v1, v2 if-nez v1, :cond_0 goto :goto_0 :cond_0 invoke-virtual {p0, v0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->normalize(Landroid/graphics/PointF;)V iput-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF; iget v1, v0, Landroid/graphics/PointF;->x:F const v2, 0x461c4000 # 10000.0f mul-float v1, v1, v2 float-to-int v1, v1 iput v1, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDx:I iget v0, v0, Landroid/graphics/PointF;->y:F mul-float v0, v0, v2 float-to-int v0, v0 iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDy:I const/16 v0, 0x2710 invoke-virtual {p0, v0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateTimeForScrolling(I)I move-result v0 iget v1, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDx:I int-to-float v1, v1 const v2, 0x3f99999a # 1.2f mul-float v1, v1, v2 float-to-int v1, v1 iget v3, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDy:I int-to-float v3, v3 mul-float v3, v3, v2 float-to-int v3, v3 int-to-float v0, v0 mul-float v0, v0, v2 float-to-int v0, v0 iget-object v2, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mLinearInterpolator:Landroid/view/animation/LinearInterpolator; invoke-virtual {p1, v1, v3, v0, v2}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;->update(IIILandroid/view/animation/Interpolator;)V return-void :cond_1 :goto_0 invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->getTargetPosition()I move-result v0 invoke-virtual {p1, v0}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;->jumpTo(I)V invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->stop()V return-void .end method