attach method

  1. @override
void attach (
  1. covariant SemanticsOwner owner
)
override

Mark this node as attached to the given owner.

Typically called only from the parent's attach method, and by the owner to mark the root of a tree as attached.

Subclasses with children should override this method to first call their inherited attach method, and then attach all their children to the same owner.

Implementation

@override
void attach(SemanticsOwner owner) {
  super.attach(owner);
  assert(!owner._nodes.containsKey(id));
  owner._nodes[id] = this;
  owner._detachedNodes.remove(this);
  if (_dirty) {
    _dirty = false;
    _markDirty();
  }
  if (_children != null) {
    for (final SemanticsNode child in _children)
      child.attach(owner);
  }
}