LinearSmoothScroller.smali
.class public Landroidx/recyclerview/widget/LinearSmoothScroller;
.super Landroidx/recyclerview/widget/RecyclerView$SmoothScroller;
.source "LinearSmoothScroller.java"
# static fields
.field private static final DEBUG:Z = false
.field private static final MILLISECONDS_PER_INCH:F = 25.0f
.field public static final SNAP_TO_ANY:I
.field public static final SNAP_TO_END:I
.field public static final SNAP_TO_START:I
.field private static final TARGET_SEEK_EXTRA_SCROLL_RATIO:F = 1.2f
.field private static final TARGET_SEEK_SCROLL_DISTANCE_PX:I
# instance fields
.field protected final mDecelerateInterpolator:Landroid/view/animation/DecelerateInterpolator;
.field private final mDisplayMetrics:Landroid/util/DisplayMetrics;
.field private mHasCalculatedMillisPerPixel:Z
.field protected mInterimTargetDx:I
.field protected mInterimTargetDy:I
.field protected final mLinearInterpolator:Landroid/view/animation/LinearInterpolator;
.field private mMillisPerPixel:F
.field protected mTargetVector:Landroid/graphics/PointF;
# direct methods
.method static constructor <clinit>()V
.registers 1
const v0, 0x156f
invoke-static {v0}, Lnp/NPFog;->d(I)I
move-result v0
sput v0, Landroidx/recyclerview/widget/LinearSmoothScroller;->SNAP_TO_ANY:I
const v0, 0x156e
invoke-static {v0}, Lnp/NPFog;->d(I)I
move-result v0
sput v0, Landroidx/recyclerview/widget/LinearSmoothScroller;->SNAP_TO_END:I
const v0, -0x1570
invoke-static {v0}, Lnp/NPFog;->d(I)I
move-result v0
sput v0, Landroidx/recyclerview/widget/LinearSmoothScroller;->SNAP_TO_START:I
const v0, 0x327f
invoke-static {v0}, Lnp/NPFog;->d(I)I
move-result v0
sput v0, Landroidx/recyclerview/widget/LinearSmoothScroller;->TARGET_SEEK_SCROLL_DISTANCE_PX:I
return-void
.end method
.method public constructor <init>(Landroid/content/Context;)V
.registers 3
.param p1, "context" # Landroid/content/Context;
.line 93
invoke-direct {p0}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller;-><init>()V
.line 79
new-instance v0, Landroid/view/animation/LinearInterpolator;
invoke-direct {v0}, Landroid/view/animation/LinearInterpolator;-><init>()V
iput-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mLinearInterpolator:Landroid/view/animation/LinearInterpolator;
.line 81
new-instance v0, Landroid/view/animation/DecelerateInterpolator;
invoke-direct {v0}, Landroid/view/animation/DecelerateInterpolator;-><init>()V
iput-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mDecelerateInterpolator:Landroid/view/animation/DecelerateInterpolator;
.line 86
const/4 v0, 0x0
iput-boolean v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mHasCalculatedMillisPerPixel:Z
.line 91
iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDx:I
iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDy:I
.line 94
invoke-virtual {p1}, Landroid/content/Context;->getResources()Landroid/content/res/Resources;
move-result-object v0
invoke-virtual {v0}, Landroid/content/res/Resources;->getDisplayMetrics()Landroid/util/DisplayMetrics;
move-result-object v0
iput-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mDisplayMetrics:Landroid/util/DisplayMetrics;
.line 95
return-void
.end method
.method private clampApplyScroll(II)I
.registers 5
.param p1, "tmpDt" # I
.param p2, "dt" # I
.line 266
move v0, p1
.line 267
.local v0, "before":I
sub-int/2addr p1, p2
.line 268
mul-int v1, v0, p1
if-gtz v1, :cond_8
.line 269
const/4 v1, 0x0
return v1
.line 271
:cond_8
return p1
.end method
.method private getSpeedPerPixel()F
.registers 2
.line 170
iget-boolean v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mHasCalculatedMillisPerPixel:Z
if-nez v0, :cond_f
.line 171
iget-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mDisplayMetrics:Landroid/util/DisplayMetrics;
invoke-virtual {p0, v0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateSpeedPerPixel(Landroid/util/DisplayMetrics;)F
move-result v0
iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mMillisPerPixel:F
.line 172
const/4 v0, 0x1
iput-boolean v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mHasCalculatedMillisPerPixel:Z
.line 174
:cond_f
iget v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mMillisPerPixel:F
return v0
.end method
# virtual methods
.method public calculateDtToFit(IIIII)I
.registers 8
.param p1, "viewStart" # I
.param p2, "viewEnd" # I
.param p3, "boxStart" # I
.param p4, "boxEnd" # I
.param p5, "snapPreference" # I
.line 280
const/4 v0, -0x1
if-eq p5, v0, :cond_20
if-eqz p5, :cond_14
const/4 v0, 0x1
if-ne p5, v0, :cond_b
.line 284
sub-int v0, p4, p2
return v0
.line 296
:cond_b
new-instance v0, Ljava/lang/IllegalArgumentException;
const-string/jumbo v1, "snap preference should be one of the constants defined in SmoothScroller, starting with SNAP_"
invoke-direct {v0, v1}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
throw v0
.line 286
:cond_14
sub-int v0, p3, p1
.line 287
.local v0, "dtStart":I
if-lez v0, :cond_19
.line 288
return v0
.line 290
:cond_19
sub-int v1, p4, p2
.line 291
.local v1, "dtEnd":I
if-gez v1, :cond_1e
.line 292
return v1
.line 299
.end local v0 # "dtStart":I
.end local v1 # "dtEnd":I
:cond_1e
const/4 v0, 0x0
return v0
.line 282
:cond_20
sub-int v0, p3, p1
return v0
.end method
.method public calculateDxToMakeVisible(Landroid/view/View;I)I
.registers 15
.param p1, "view" # Landroid/view/View;
.param p2, "snapPreference" # I
.line 339
invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->getLayoutManager()Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
move-result-object v0
.line 340
.local v0, "layoutManager":Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
if-eqz v0, :cond_3b
invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollHorizontally()Z
move-result v1
if-nez v1, :cond_d
goto :goto_3b
.line 343
:cond_d
nop
.line 344
invoke-virtual {p1}, Landroid/view/View;->getLayoutParams()Landroid/view/ViewGroup$LayoutParams;
move-result-object v1
check-cast v1, Landroidx/recyclerview/widget/RecyclerView$LayoutParams;
.line 345
.local v1, "params":Landroidx/recyclerview/widget/RecyclerView$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/2addr v2, v3
.line 346
.local v2, "left":I
invoke-virtual {v0, p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getDecoratedRight(Landroid/view/View;)I
move-result v3
iget v4, v1, Landroidx/recyclerview/widget/RecyclerView$LayoutParams;->rightMargin:I
add-int/2addr v3, v4
.line 347
.local v3, "right":I
invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getPaddingLeft()I
move-result v10
.line 348
.local v10, "start":I
invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getWidth()I
move-result v4
invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getPaddingRight()I
move-result v5
sub-int v11, v4, v5
.line 349
.local v11, "end":I
move-object v4, p0
move v5, v2
move v6, v3
move v7, v10
move v8, v11
move v9, p2
invoke-virtual/range {v4 .. v9}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateDtToFit(IIIII)I
move-result v4
return v4
.line 341
.end local v1 # "params":Landroidx/recyclerview/widget/RecyclerView$LayoutParams;
.end local v2 # "left":I
.end local v3 # "right":I
.end local v10 # "start":I
.end local v11 # "end":I
:cond_3b
:goto_3b
const/4 v1, 0x0
return v1
.end method
.method public calculateDyToMakeVisible(Landroid/view/View;I)I
.registers 15
.param p1, "view" # Landroid/view/View;
.param p2, "snapPreference" # I
.line 314
invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->getLayoutManager()Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
move-result-object v0
.line 315
.local v0, "layoutManager":Landroidx/recyclerview/widget/RecyclerView$LayoutManager;
if-eqz v0, :cond_3b
invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->canScrollVertically()Z
move-result v1
if-nez v1, :cond_d
goto :goto_3b
.line 318
:cond_d
nop
.line 319
invoke-virtual {p1}, Landroid/view/View;->getLayoutParams()Landroid/view/ViewGroup$LayoutParams;
move-result-object v1
check-cast v1, Landroidx/recyclerview/widget/RecyclerView$LayoutParams;
.line 320
.local v1, "params":Landroidx/recyclerview/widget/RecyclerView$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/2addr v2, v3
.line 321
.local v2, "top":I
invoke-virtual {v0, p1}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getDecoratedBottom(Landroid/view/View;)I
move-result v3
iget v4, v1, Landroidx/recyclerview/widget/RecyclerView$LayoutParams;->bottomMargin:I
add-int/2addr v3, v4
.line 322
.local v3, "bottom":I
invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getPaddingTop()I
move-result v10
.line 323
.local v10, "start":I
invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getHeight()I
move-result v4
invoke-virtual {v0}, Landroidx/recyclerview/widget/RecyclerView$LayoutManager;->getPaddingBottom()I
move-result v5
sub-int v11, v4, v5
.line 324
.local v11, "end":I
move-object v4, p0
move v5, v2
move v6, v3
move v7, v10
move v8, v11
move v9, p2
invoke-virtual/range {v4 .. v9}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateDtToFit(IIIII)I
move-result v4
return v4
.line 316
.end local v1 # "params":Landroidx/recyclerview/widget/RecyclerView$LayoutParams;
.end local v2 # "top":I
.end local v3 # "bottom":I
.end local v10 # "start":I
.end local v11 # "end":I
:cond_3b
:goto_3b
const/4 v1, 0x0
return v1
.end method
.method protected calculateSpeedPerPixel(Landroid/util/DisplayMetrics;)F
.registers 4
.param p1, "displayMetrics" # Landroid/util/DisplayMetrics;
.line 166
iget v0, p1, Landroid/util/DisplayMetrics;->densityDpi:I
int-to-float v0, v0
const/high16 v1, 0x41c80000 # 25.0f
div-float/2addr v1, v0
return v1
.end method
.method protected calculateTimeForDeceleration(I)I
.registers 6
.param p1, "dx" # I
.line 191
invoke-virtual {p0, p1}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateTimeForScrolling(I)I
move-result v0
int-to-double v0, v0
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 v0, v0
return v0
.end method
.method protected calculateTimeForScrolling(I)I
.registers 4
.param p1, "dx" # I
.line 205
invoke-static {p1}, Ljava/lang/Math;->abs(I)I
move-result v0
int-to-float v0, v0
invoke-direct {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->getSpeedPerPixel()F
move-result v1
mul-float v0, v0, v1
float-to-double v0, v0
invoke-static {v0, v1}, Ljava/lang/Math;->ceil(D)D
move-result-wide v0
double-to-int v0, v0
return v0
.end method
.method protected getHorizontalSnapPreference()I
.registers 3
.line 218
iget-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF;
if-eqz v0, :cond_18
iget v0, v0, Landroid/graphics/PointF;->x:F
const/4 v1, 0x0
cmpl-float v0, v0, v1
if-nez v0, :cond_c
goto :goto_18
:cond_c
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_16
const/4 v0, 0x1
goto :goto_19
:cond_16
const/4 v0, -0x1
goto :goto_19
:cond_18
:goto_18
const/4 v0, 0x0
:goto_19
return v0
.end method
.method protected getVerticalSnapPreference()I
.registers 3
.line 232
iget-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF;
if-eqz v0, :cond_18
iget v0, v0, Landroid/graphics/PointF;->y:F
const/4 v1, 0x0
cmpl-float v0, v0, v1
if-nez v0, :cond_c
goto :goto_18
:cond_c
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_16
const/4 v0, 0x1
goto :goto_19
:cond_16
const/4 v0, -0x1
goto :goto_19
:cond_18
:goto_18
const/4 v0, 0x0
:goto_19
return v0
.end method
.method protected onSeekTargetStep(IILandroidx/recyclerview/widget/RecyclerView$State;Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;)V
.registers 7
.param p1, "dx" # I
.param p2, "dy" # I
.param p3, "state" # Landroidx/recyclerview/widget/RecyclerView$State;
.param p4, "action" # Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;
.line 127
invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->getChildCount()I
move-result v0
if-nez v0, :cond_a
.line 128
invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->stop()V
.line 129
return-void
.line 137
:cond_a
iget v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDx:I
invoke-direct {p0, v0, p1}, Landroidx/recyclerview/widget/LinearSmoothScroller;->clampApplyScroll(II)I
move-result v0
iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDx:I
.line 138
iget v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDy:I
invoke-direct {p0, v0, p2}, Landroidx/recyclerview/widget/LinearSmoothScroller;->clampApplyScroll(II)I
move-result v0
iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDy:I
.line 140
iget v1, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDx:I
if-nez v1, :cond_23
if-nez v0, :cond_23
.line 141
invoke-virtual {p0, p4}, Landroidx/recyclerview/widget/LinearSmoothScroller;->updateActionForInterimTarget(Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;)V
.line 144
:cond_23
return-void
.end method
.method protected onStart()V
.registers 1
.line 103
return-void
.end method
.method protected onStop()V
.registers 2
.line 151
const/4 v0, 0x0
iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDy:I
iput v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDx:I
.line 152
const/4 v0, 0x0
iput-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF;
.line 153
return-void
.end method
.method protected onTargetFound(Landroid/view/View;Landroidx/recyclerview/widget/RecyclerView$State;Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;)V
.registers 11
.param p1, "targetView" # Landroid/view/View;
.param p2, "state" # Landroidx/recyclerview/widget/RecyclerView$State;
.param p3, "action" # Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;
.line 110
invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->getHorizontalSnapPreference()I
move-result v0
invoke-virtual {p0, p1, v0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateDxToMakeVisible(Landroid/view/View;I)I
move-result v0
.line 111
.local v0, "dx":I
invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->getVerticalSnapPreference()I
move-result v1
invoke-virtual {p0, p1, v1}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateDyToMakeVisible(Landroid/view/View;I)I
move-result v1
.line 112
.local v1, "dy":I
mul-int v2, v0, v0
mul-int v3, v1, v1
add-int/2addr v2, v3
int-to-double v2, v2
invoke-static {v2, v3}, Ljava/lang/Math;->sqrt(D)D
move-result-wide v2
double-to-int v2, v2
.line 113
.local v2, "distance":I
invoke-virtual {p0, v2}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateTimeForDeceleration(I)I
move-result v3
.line 114
.local v3, "time":I
if-lez v3, :cond_28
.line 115
neg-int v4, v0
neg-int v5, v1
iget-object v6, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mDecelerateInterpolator:Landroid/view/animation/DecelerateInterpolator;
invoke-virtual {p3, v4, v5, v3, v6}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;->update(IIILandroid/view/animation/Interpolator;)V
.line 117
:cond_28
return-void
.end method
.method protected updateActionForInterimTarget(Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;)V
.registers 8
.param p1, "action" # Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;
.line 244
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
.line 245
.local v0, "scrollVector":Landroid/graphics/PointF;
if-eqz v0, :cond_4d
iget v1, v0, Landroid/graphics/PointF;->x:F
const/4 v2, 0x0
cmpl-float v1, v1, v2
if-nez v1, :cond_18
iget v1, v0, Landroid/graphics/PointF;->y:F
cmpl-float v1, v1, v2
if-nez v1, :cond_18
goto :goto_4d
.line 251
:cond_18
invoke-virtual {p0, v0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->normalize(Landroid/graphics/PointF;)V
.line 252
iput-object v0, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mTargetVector:Landroid/graphics/PointF;
.line 254
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
.line 255
iget v1, v0, Landroid/graphics/PointF;->y:F
mul-float v1, v1, v2
float-to-int v1, v1
iput v1, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDy:I
.line 256
const/16 v1, 0x2710
invoke-virtual {p0, v1}, Landroidx/recyclerview/widget/LinearSmoothScroller;->calculateTimeForScrolling(I)I
move-result v1
.line 260
.local v1, "time":I
iget v2, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDx:I
int-to-float v2, v2
const v3, 0x3f99999a # 1.2f
mul-float v2, v2, v3
float-to-int v2, v2
iget v4, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mInterimTargetDy:I
int-to-float v4, v4
mul-float v4, v4, v3
float-to-int v4, v4
int-to-float v5, v1
mul-float v5, v5, v3
float-to-int v3, v5
iget-object v5, p0, Landroidx/recyclerview/widget/LinearSmoothScroller;->mLinearInterpolator:Landroid/view/animation/LinearInterpolator;
invoke-virtual {p1, v2, v4, v3, v5}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;->update(IIILandroid/view/animation/Interpolator;)V
.line 263
return-void
.line 246
.end local v1 # "time":I
:cond_4d
:goto_4d
invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->getTargetPosition()I
move-result v1
.line 247
.local v1, "target":I
invoke-virtual {p1, v1}, Landroidx/recyclerview/widget/RecyclerView$SmoothScroller$Action;->jumpTo(I)V
.line 248
invoke-virtual {p0}, Landroidx/recyclerview/widget/LinearSmoothScroller;->stop()V
.line 249
return-void
.end method