litho-core/com.facebook.litho/MeasureComparisonUtils

MeasureComparisonUtils

object MeasureComparisonUtils

An utility class to verify that an old measured size is still compatible to be used with a new measureSpec.

Functions

areMeasureSpecsEquivalent

@JvmStatic

fun areMeasureSpecsEquivalent(specA: Int, specB: Int): Boolean

hasCompatibleSizeSpec

@JvmStatic

fun hasCompatibleSizeSpec( oldWidthSpec: Int, oldHeightSpec: Int, newWidthSpec: Int, newHeightSpec: Int, oldMeasuredWidth: Int, oldMeasuredHeight: Int): Boolean

Check if a cached nested tree has compatible SizeSpec to be reused as is or if it needs to be recomputed.

isMeasureSpecCompatible

@JvmStatic

fun isMeasureSpecCompatible(oldSizeSpec: Int, sizeSpec: Int, oldMeasuredSize: Int): Boolean