public _SliverPersistentHeaderRenderObjectWidget(
Key key = null,
SliverPersistentHeaderDelegate layoutDelegate = null
) : base(key: key)
{
D.assert(layoutDelegate != null);
this.layoutDelegate = layoutDelegate;
}
public _SliverPersistentHeaderRenderObjectWidget(
Key key = null,
SliverPersistentHeaderDelegate del = null
) : base(key: key)
{
D.assert(del != null);
this.del = del;
}
public SliverPersistentHeader(
Key key = null,
SliverPersistentHeaderDelegate del = null,
bool pinned = false,
bool floating = false
) : base(key: key)
{
D.assert(del != null);
this.layoutDelegate = del;
this.pinned = pinned;
this.floating = floating;
}
public override void update(Widget _newWidget)
{
base.update(_newWidget);
_SliverPersistentHeaderRenderObjectWidget newWidget =
_newWidget as _SliverPersistentHeaderRenderObjectWidget;
_SliverPersistentHeaderRenderObjectWidget oldWidget = this.widget;
SliverPersistentHeaderDelegate newDelegate = newWidget.layoutDelegate;
SliverPersistentHeaderDelegate oldDelegate = oldWidget.layoutDelegate;
if (newDelegate != oldDelegate &&
(newDelegate.GetType() != oldDelegate.GetType() || newDelegate.shouldRebuild(oldDelegate)))
{
(this.renderObject as _RenderSliverPersistentHeaderForWidgetsMixin).triggerRebuild();
}
}
public _SliverFloatingPinnedPersistentHeader(
Key key = null,
SliverPersistentHeaderDelegate layoutDelegate = null
) : base(key: key, layoutDelegate: layoutDelegate)
{
}
public abstract bool shouldRebuild(SliverPersistentHeaderDelegate oldDelegate);
public _SliverScrollingPersistentHeader(
Key key = null,
SliverPersistentHeaderDelegate layoutDelegate = null
) : base(key: key, layoutDelegate: layoutDelegate)
{
}
public _SliverFloatingPinnedPersistentHeader(
Key key = null,
SliverPersistentHeaderDelegate del = null
) : base(key: key, del: del)
{
}
public _SliverScrollingPersistentHeader(
Key key = null,
SliverPersistentHeaderDelegate del = null
) : base(key: key, del: del)
{
}
