markNeedsSemanticsUpdate method

void markNeedsSemanticsUpdate()

Mark this node as needing an update to its semantics description.

This must be called whenever the semantics configuration of this RenderObject as annotated by describeSemanticsConfiguration changes in any way to update the semantics tree.

Implementation

void markNeedsSemanticsUpdate() {
  assert(!_debugDisposed);
  assert(!attached || !owner!._debugDoingSemantics);
  if (!attached || owner!._semanticsOwner == null) {
    return;
  }
  _semantics.markNeedsUpdate();
}