public static bool recommendDeferredLoadingForContext(BuildContext context)
{
_ScrollableScope widget = context.getElementForInheritedWidgetOfExactType <_ScrollableScope>()?.widget as _ScrollableScope;
if (widget == null)
{
return(false);
}
return(widget.position.recommendDeferredLoading(context));
}
public override Widget build(BuildContext context)
{
D.assert(this.position != null);
Widget result = new _ScrollableScope(
scrollable: this,
position: this.position,
child: new RawGestureDetector(
key: this._gestureDetectorKey,
gestures: this._gestureRecognizers,
behavior: HitTestBehavior.opaque,
child: new IgnorePointer(
key: this._ignorePointerKey,
ignoring: this._shouldIgnorePointer,
child: this.widget.viewportBuilder(context, this.position)
)
)
);
return(this._configuration.buildViewportChrome(context, result, this.widget.axisDirection));
}
public static ScrollableState of(BuildContext context)
{
_ScrollableScope widget = context.dependOnInheritedWidgetOfExactType <_ScrollableScope>();
return(widget == null ? null : widget.scrollable);
}
public static ScrollableState of(BuildContext context)
{
_ScrollableScope widget = (_ScrollableScope)context.inheritFromWidgetOfExactType(typeof(_ScrollableScope));
return(widget == null ? null : widget.scrollable);
}
