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Implement ShadowRoot.innerHtml attribute (#34335)

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* Implement DocumentFragment::fragment_serialization_algorithm

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Implement ShadowRoot innerHtml attribute

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Update WPT expectations

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* cargo-clippy

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Reuse existing serialization code and move helpers into Node

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Fix typo

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

---------

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>
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Simon Wülker 2024-11-22 18:07:01 +01:00 • committed by GitHub
parent 44ed111c0a
commit 1198b26ec9
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25 changed files with 120 additions and 127 deletions
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29
components/script/dom/shadowroot.rs
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@ -18,6 +18,7 @@ use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::num::Finite;
use crate::dom::bindings::reflector::reflect_dom_object;
use crate::dom::bindings::root::{Dom, DomRoot, LayoutDom, MutNullableDom};
use crate::dom::bindings::str::DOMString;
use crate::dom::cssstylesheet::CSSStyleSheet;
use crate::dom::document::Document;
use crate::dom::documentfragment::DocumentFragment;
@ -249,6 +250,34 @@ impl ShadowRootMethods for ShadowRoot {
)
})
}
/// <https://html.spec.whatwg.org/multipage/#dom-shadowroot-innerhtml>
fn InnerHTML(&self) -> DOMString {
// ShadowRoot's innerHTML getter steps are to return the result of running fragment serializing
// algorithm steps with this and true.
self.upcast::<Node>().fragment_serialization_algorithm(true)
}
/// <https://html.spec.whatwg.org/multipage/#dom-shadowroot-innerhtml>
fn SetInnerHTML(&self, value: DOMString, can_gc: CanGc) {
// TODO Step 1. Let compliantString be the result of invoking the Get Trusted Type compliant string algorithm
// with TrustedHTML, this's relevant global object, the given value, "ShadowRoot innerHTML", and "script".
let compliant_string = value;
// Step 2. Let context be this's host.
let context = self.Host();
// Step 3. Let fragment be the result of invoking the fragment parsing algorithm steps with context and
// compliantString.
let Ok(frag) = context.parse_fragment(compliant_string, can_gc) else {
// NOTE: The spec doesn't strictly tell us to bail out here, but
// we can't continue if parsing failed
return;
};
// Step 4. Replace all with fragment within this.
Node::replace_all(Some(frag.upcast()), self.upcast());
}
}
#[allow(unsafe_code)]