updateRenderBoxModel method

void updateRenderBoxModel({ bool forceUpdate = false, })

Implementation

void updateRenderBoxModel({ bool forceUpdate = false }) {
  RenderBoxModel nextRenderBoxModel;
  if (isWidgetElement) {
    nextRenderBoxModel = _createRenderWidget(previousRenderWidget: _renderWidget, forceUpdate: forceUpdate);
  } else if (isReplacedElement) {
    nextRenderBoxModel =
        _createRenderReplaced(isRepaintBoundary: isRepaintBoundary, previousReplaced: _renderReplaced);
  } else if (isSVGElement) {
    nextRenderBoxModel = createRenderSVG(isRepaintBoundary: isRepaintBoundary, previous: _renderSVG);
  } else {
    nextRenderBoxModel =
        _createRenderLayout(isRepaintBoundary: isRepaintBoundary, previousRenderLayoutBox: _renderLayoutBox);
  }

  RenderBoxModel? previousRenderBoxModel = renderBoxModel;
  if (nextRenderBoxModel != previousRenderBoxModel) {
    RenderObject? parentRenderObject;
    RenderBox? after;
    if (previousRenderBoxModel != null) {
      parentRenderObject = previousRenderBoxModel.parent;

      if (previousRenderBoxModel.parentData is ContainerParentDataMixin<RenderBox>) {
        after = (previousRenderBoxModel.parentData as ContainerParentDataMixin<RenderBox>).previousSibling;
      }

      RenderBoxModel.detachRenderBox(previousRenderBoxModel);

      if (parentRenderObject != null) {
        RenderBoxModel.attachRenderBox(parentRenderObject, nextRenderBoxModel, after: after);
      }

      SchedulerBinding.instance.addPostFrameCallback((timeStamp) {
        if (!previousRenderBoxModel.disposed) {
          previousRenderBoxModel.dispose();
        }
      });
    }
    renderBoxModel = nextRenderBoxModel;
    assert(renderBoxModel!.renderStyle.renderBoxModel == renderBoxModel);

    // Ensure that the event responder is bound.
    ensureEventResponderBound();
  }
}