package com.mrousavy.camera.react.extensions

import android.view.View
import android.view.ViewGroup

// React does not trigger onLayout events for dynamically added views (`addView`). This fixes that.
// https://github.com/facebook/react-native/issues/17968#issuecomment-633308615
fun ViewGroup.installHierarchyFitter() {
  setOnHierarchyChangeListener(object : ViewGroup.OnHierarchyChangeListener {
    override fun onChildViewRemoved(parent: View?, child: View?) = Unit
    override fun onChildViewAdded(parent: View?, child: View?) {
      parent?.measure(
        View.MeasureSpec.makeMeasureSpec(measuredWidth, View.MeasureSpec.EXACTLY),
        View.MeasureSpec.makeMeasureSpec(measuredHeight, View.MeasureSpec.EXACTLY)
      )
      parent?.layout(0, 0, parent.measuredWidth, parent.measuredHeight)
    }
  })
}