public static ActionDispatcher _findDispatcher(Element element)
{
D.assert(element.widget is Actions);
Actions actions = element.widget as Actions;
ActionDispatcher dispatcher = actions.dispatcher;
if (dispatcher == null)
{
bool visitAncestorElement(Element visitedElement)
{
if (!(visitedElement.widget is Actions))
{
return(true);
}
Actions actions1 = visitedElement.widget as Actions;
if (actions1.dispatcher == null)
{
return(true);
}
dispatcher = actions1.dispatcher;
return(false);
}
element.visitAncestorElements(visitAncestorElement);
}
return(dispatcher ?? new ActionDispatcher());
}
public Actions(
Key key = null,
ActionDispatcher dispatcher = null,
Dictionary <LocalKey, ActionFactory> actions = null,
Widget child = null
) : base(key: key, child: child)
{
D.assert(actions != null);
this.dispatcher = dispatcher;
this.actions = actions;
}