method findController


Element findController(Node node)

Finds the event controller for this node.

Source

Element findController(Node node) {
  while (node.parentNode != null) {
    if (node is Polymer && node.eventController != null) {
      return node.eventController;
    } else if (node is Element) {
      // If it is a normal element, js polymer element, or dart wrapper to a
      // js polymer element, then we try js interop.
      var eventController =
          new JsObject.fromBrowserObject(node)['eventController'];
      if (eventController != null) return eventController;
    }
    node = node.parentNode;
  }
  return node is ShadowRoot ? node.host : null;
}