attach method
- SemanticsOwner owner
Mark this node as attached to the given owner.
Implementation
@visibleForTesting
void attach(SemanticsOwner owner) {
assert(_owner == null);
_owner = owner;
while (owner._nodes.containsKey(id)) {
// Ids may repeat if the Flutter has generated > 2^16 ids. We need to keep
// regenerating the id until we found an id that is not used.
_id = _generateNewId();
}
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);
}
}
}