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use webcore::reference_type::ReferenceType;
use webapi::html_elements::SlotElement;
pub trait ISlotable: ReferenceType {
fn assigned_slot( &self ) -> Option< SlotElement > {
unsafe {
js!( return @{self.as_ref()}.assignedSlot; ).into_reference_unchecked()
}
}
}
#[cfg(all(test, feature = "web_test"))]
mod tests {
use super::*;
use webapi::node::{Node, INode, CloneKind};
use webapi::parent_node::IParentNode;
use webapi::html_elements::{SlotElement, TemplateElement};
use webapi::shadow_root::ShadowRootMode;
use webapi::html_element::HtmlElement;
use webcore::try_from::TryInto;
use webapi::element::IElement;
#[test]
fn test_assigned_slot() {
let div: HtmlElement = Node::from_html("<div><span></span></div>")
.unwrap()
.try_into()
.unwrap();
let span = div.query_selector("span").unwrap().unwrap();
let tpl: TemplateElement = Node::from_html("<template><slot></slot></template>")
.unwrap()
.try_into()
.unwrap();
assert_eq!(span.assigned_slot(), None);
let shadow_root = div.attach_shadow(ShadowRootMode::Open).unwrap();
let n = tpl.content().clone_node(CloneKind::Deep).unwrap();
shadow_root.append_child(&n);
let slot: SlotElement = shadow_root
.query_selector("slot")
.unwrap()
.unwrap()
.try_into()
.unwrap();
assert_eq!(span.assigned_slot(), Some(slot));
}
}