.class Landroidx/core/widget/AutoScrollHelper$ClampedScroller; .super Ljava/lang/Object; .source "AutoScrollHelper.java" # annotations .annotation system Ldalvik/annotation/EnclosingClass; value = Landroidx/core/widget/AutoScrollHelper; .end annotation .annotation system Ldalvik/annotation/InnerClass; accessFlags = 0x8 name = "ClampedScroller" .end annotation # instance fields .field private mDeltaTime:J .field private mDeltaX:I .field private mDeltaY:I .field private mEffectiveRampDown:I .field private mRampDownDuration:I .field private mRampUpDuration:I .field private mStartTime:J .field private mStopTime:J .field private mStopValue:F .field private mTargetVelocityX:F .field private mTargetVelocityY:F # direct methods .method constructor ()V .locals 2 invoke-direct {p0}, Ljava/lang/Object;->()V const-wide/high16 v0, -0x8000000000000000L iput-wide v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mStartTime:J const-wide/16 v0, -0x1 iput-wide v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mStopTime:J const-wide/16 v0, 0x0 iput-wide v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mDeltaTime:J const/4 v0, 0x0 iput v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mDeltaX:I iput v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mDeltaY:I return-void .end method .method private getValueAt(J)F .locals 7 iget-wide v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mStartTime:J const/4 v2, 0x0 cmp-long v3, p1, v0 if-gez v3, :cond_0 return v2 :cond_0 iget-wide v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mStopTime:J const-wide/16 v3, 0x0 const/high16 v5, 0x3f800000 # 1.0f cmp-long v6, v0, v3 if-ltz v6, :cond_2 cmp-long v3, p1, v0 if-gez v3, :cond_1 goto :goto_0 :cond_1 sub-long/2addr p1, v0 iget v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mStopValue:F sub-float v1, v5, v0 long-to-float p1, p1 iget p2, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mEffectiveRampDown:I int-to-float p2, p2 div-float/2addr p1, p2 invoke-static {p1, v2, v5}, Landroidx/core/widget/AutoScrollHelper;->constrain(FFF)F move-result p1 mul-float v0, v0, p1 add-float/2addr v1, v0 return v1 :cond_2 :goto_0 iget-wide v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mStartTime:J sub-long/2addr p1, v0 const/high16 v0, 0x3f000000 # 0.5f long-to-float p1, p1 iget p2, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mRampUpDuration:I int-to-float p2, p2 div-float/2addr p1, p2 invoke-static {p1, v2, v5}, Landroidx/core/widget/AutoScrollHelper;->constrain(FFF)F move-result p1 mul-float p1, p1, v0 return p1 .end method .method private interpolateValue(F)F .locals 2 const/high16 v0, -0x3f800000 # -4.0f mul-float v0, v0, p1 mul-float v0, v0, p1 const/high16 v1, 0x40800000 # 4.0f mul-float p1, p1, v1 add-float/2addr v0, p1 return v0 .end method # virtual methods .method public computeScrollDelta()V .locals 5 iget-wide v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mDeltaTime:J const-wide/16 v2, 0x0 cmp-long v4, v0, v2 if-eqz v4, :cond_0 invoke-static {}, Landroid/view/animation/AnimationUtils;->currentAnimationTimeMillis()J move-result-wide v0 invoke-direct {p0, v0, v1}, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->getValueAt(J)F move-result v2 invoke-direct {p0, v2}, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->interpolateValue(F)F move-result v2 iget-wide v3, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mDeltaTime:J sub-long v3, v0, v3 iput-wide v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mDeltaTime:J long-to-float v0, v3 mul-float v0, v0, v2 iget v1, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mTargetVelocityX:F mul-float v1, v1, v0 float-to-int v1, v1 iput v1, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mDeltaX:I iget v1, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mTargetVelocityY:F mul-float v0, v0, v1 float-to-int v0, v0 iput v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mDeltaY:I return-void :cond_0 new-instance v0, Ljava/lang/RuntimeException; const-string v1, "Cannot compute scroll delta before calling start()" invoke-direct {v0, v1}, Ljava/lang/RuntimeException;->(Ljava/lang/String;)V throw v0 .end method .method public getDeltaX()I .locals 1 iget v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mDeltaX:I return v0 .end method .method public getDeltaY()I .locals 1 iget v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mDeltaY:I return v0 .end method .method public getHorizontalDirection()I .locals 2 iget v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mTargetVelocityX:F invoke-static {v0}, Ljava/lang/Math;->abs(F)F move-result v1 div-float/2addr v0, v1 float-to-int v0, v0 return v0 .end method .method public getVerticalDirection()I .locals 2 iget v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mTargetVelocityY:F invoke-static {v0}, Ljava/lang/Math;->abs(F)F move-result v1 div-float/2addr v0, v1 float-to-int v0, v0 return v0 .end method .method public isFinished()Z .locals 6 iget-wide v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mStopTime:J const-wide/16 v2, 0x0 cmp-long v4, v0, v2 if-lez v4, :cond_0 invoke-static {}, Landroid/view/animation/AnimationUtils;->currentAnimationTimeMillis()J move-result-wide v0 iget-wide v2, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mStopTime:J iget v4, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mEffectiveRampDown:I int-to-long v4, v4 add-long/2addr v2, v4 cmp-long v4, v0, v2 if-lez v4, :cond_0 const/4 v0, 0x1 return v0 :cond_0 const/4 v0, 0x0 return v0 .end method .method public requestStop()V .locals 5 invoke-static {}, Landroid/view/animation/AnimationUtils;->currentAnimationTimeMillis()J move-result-wide v0 iget-wide v2, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mStartTime:J sub-long v2, v0, v2 long-to-int v3, v2 iget v2, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mRampDownDuration:I const/4 v4, 0x0 invoke-static {v3, v4, v2}, Landroidx/core/widget/AutoScrollHelper;->constrain(III)I move-result v2 iput v2, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mEffectiveRampDown:I invoke-direct {p0, v0, v1}, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->getValueAt(J)F move-result v2 iput v2, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mStopValue:F iput-wide v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mStopTime:J return-void .end method .method public setRampDownDuration(I)V .locals 0 iput p1, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mRampDownDuration:I return-void .end method .method public setRampUpDuration(I)V .locals 0 iput p1, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mRampUpDuration:I return-void .end method .method public setTargetVelocity(FF)V .locals 0 iput p1, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mTargetVelocityX:F iput p2, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mTargetVelocityY:F return-void .end method .method public start()V .locals 2 invoke-static {}, Landroid/view/animation/AnimationUtils;->currentAnimationTimeMillis()J move-result-wide v0 iput-wide v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mStartTime:J const-wide/16 v0, -0x1 iput-wide v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mStopTime:J iget-wide v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mStartTime:J iput-wide v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mDeltaTime:J const/high16 v0, 0x3f000000 # 0.5f iput v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mStopValue:F const/4 v0, 0x0 iput v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mDeltaX:I iput v0, p0, Landroidx/core/widget/AutoScrollHelper$ClampedScroller;->mDeltaY:I return-void .end method