didLayout method

Implementation

void didLayout() {
  scrollableViewportSize = constraints.constrain(Size(
      _contentSize!.width +
          renderStyle.paddingLeft.computedValue +
          renderStyle.paddingRight.computedValue,
      _contentSize!.height +
          renderStyle.paddingTop.computedValue +
          renderStyle.paddingBottom.computedValue));

  setUpOverflowScroller(scrollableSize, scrollableViewportSize);

  if (positionedHolder != null &&
      renderStyle.position != CSSPositionType.sticky) {
    // Make position holder preferred size equal to current element boundary size except sticky element.
    positionedHolder!.preferredSize = Size.copy(size);
  }

  dispatchResize(contentSize, boxSize ?? Size.zero);

  if (isSelfSizeChanged) {
    renderStyle.markTransformMatrixNeedsUpdate();
    // Rebuild box decoration when size changes so percentage-based border-radius
    // (and other size-dependent decoration fields) recompute with the new box size.
    renderStyle.resetBoxDecoration();
  }
}