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use webcore::value::Reference;
use webcore::try_from::TryInto;
use webapi::event_target::{IEventTarget, EventTarget};
use webapi::node::{INode, Node};
use webapi::element::{IElement, Element};
use webapi::html_element::{IHtmlElement, HtmlElement};
#[derive(Copy, Clone, PartialEq, Eq, Debug)]
pub enum SlotContentKind {
AssignedOnly,
WithFallback,
}
impl SlotContentKind {
fn to_bool(&self) -> bool {
match *self {
SlotContentKind::AssignedOnly => false,
SlotContentKind::WithFallback => true,
}
}
}
#[derive(Clone, Debug, PartialEq, Eq, ReferenceType)]
#[reference(instance_of = "HTMLSlotElement")]
#[reference(subclass_of(EventTarget, Node, Element, HtmlElement))]
pub struct SlotElement( Reference );
impl IEventTarget for SlotElement {}
impl INode for SlotElement {}
impl IElement for SlotElement {}
impl IHtmlElement for SlotElement {}
impl SlotElement {
#[inline]
pub fn name ( &self ) -> String {
js! (
return @{self}.name;
).try_into().unwrap()
}
#[inline]
pub fn set_name( &self, new_name: &str ) {
js! ( @(no_return)
@{self}.name = @{new_name};
);
}
pub fn assigned_nodes( &self, kind: SlotContentKind ) -> Vec<Node> {
js! (
return @{self}.assignedNodes( { flatten: @{kind.to_bool()} } );
).try_into().unwrap()
}
pub fn assigned_elements( &self, kind: SlotContentKind ) -> Vec<Element> {
js! (
return @{self}.assignedElements( { flatten: @{kind.to_bool()} } );
).try_into().unwrap()
}
}
#[allow(unused_imports)]
#[cfg(all(test, feature = "web_test"))]
mod tests {
use super::*;
use webapi::element::{Element, IElement};
use webapi::html_elements::TemplateElement;
use webapi::node::{CloneKind, INode, Node};
use webapi::parent_node::IParentNode;
use webapi::shadow_root::ShadowRootMode;
#[test]
#[ignore]
fn test_assigned_elements() {
let div: Element = Node::from_html(r#"<div>
<span id="span1" slot="slot1"></span>
</div>"#)
.unwrap()
.try_into()
.unwrap();
let tpl: TemplateElement = Node::from_html(r#"<template>
<slot name="slot1" id="slot1"><span id="span2"></span></slot><br>
<slot name="slot2" id="slot2"><span id="span3"></span></slot><br>
</template>"#)
.unwrap()
.try_into()
.unwrap();
let span1 = div.query_selector("#span1").unwrap().unwrap();
let shadow_root = div.attach_shadow(ShadowRootMode::Open).unwrap();
let n = tpl.content().clone_node(CloneKind::Deep).unwrap();
shadow_root.append_child(&n);
let slot1: SlotElement = shadow_root
.query_selector("#slot1")
.unwrap()
.unwrap()
.try_into()
.unwrap();
let slot2: SlotElement = shadow_root
.query_selector("#slot2")
.unwrap()
.unwrap()
.try_into()
.unwrap();
assert_eq!(
slot1
.assigned_nodes(SlotContentKind::AssignedOnly)
.iter()
.map(|m| m.clone().try_into().unwrap())
.collect::<Vec<Element>>(),
&[span1.clone()]
);
assert_eq!(slot2.assigned_nodes(SlotContentKind::AssignedOnly).len(), 0);
assert_eq!(
slot1.assigned_elements(SlotContentKind::AssignedOnly),
&[span1.clone()]
);
assert_eq!(
slot2.assigned_elements(SlotContentKind::AssignedOnly).len(),
0
);
assert_eq!(
slot1
.assigned_nodes(SlotContentKind::WithFallback)
.iter()
.map(|m| m.clone().try_into().unwrap())
.collect::<Vec<Element>>(),
&[span1.clone()]
);
assert_eq!(
slot1.assigned_elements(SlotContentKind::WithFallback),
&[span1.clone()]
);
let slot2_nodes = slot2.assigned_nodes(SlotContentKind::WithFallback);
let slot2_elements = slot2.assigned_elements(SlotContentKind::WithFallback);
assert_eq!(
slot2_nodes
.iter()
.map(|m| m.clone().try_into().unwrap())
.collect::<Vec<Element>>(),
slot2_elements
);
assert_eq!(slot2_nodes.len(), 1);
let fallback_span = slot2_nodes[0].clone();
assert_eq!(js!( return @{fallback_span}.id; ), "span3");
}
}