getViewport method

RenderViewportBase<ContainerParentDataMixin<RenderSliver>>? getViewport()

Implementation

RenderViewportBase? getViewport() {
  RenderObject? parent = this.parent;
  while (parent != null) {
    if (parent is RenderViewportBase) {
      return parent;
    }
    parent = parent.parent;
  }
  return null;
}