INNER CODE UNIT · Dart

_RenderBottomBarVisibility

fujidaiti/smooth_sheets · lib/src/content_scaffold.dart:653

abstract class _RenderBottomBarVisibility extends RenderTransform {
  _RenderBottomBarVisibility({
    required SheetModelView model,
    required SheetLayoutListenable layoutNotifier,
  }) : _model = model,
       _layoutNotifier = layoutNotifier,
       super(transform: Matrix4.zero(), transformHitTests: true) {
    _model.addListener(invalidateTranslationValues);
    _layoutNotifier.addListener(invalidateTranslationValues);
  }

  SheetModelView _model;

  // ignore: avoid_setters_without_getters
  set model(SheetModelView value) {
    if (_model != value) {
      _model.removeListener(invalidateTranslationValues);
      _model = value..addListener(invalidateTranslationValues);

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