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dom: implement signal abort on controller and signal (#37192)

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Part of https://github.com/servo/servo/issues/34866

Implement signal abort, and part of running abort steps.

Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com>
This commit is contained in:
Gregory Terzian 2025-05-31 14:32:46 +08:00 • committed by GitHub
parent 9959bc4e0f
commit 8a808f89fd
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3 changed files with 101 additions and 9 deletions
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27
components/script/dom/abortcontroller.rs
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@ -3,24 +3,33 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use dom_struct::dom_struct;
use js::jsapi::Value;
use js::rust::{Handle, HandleObject};
use js::rust::{HandleObject, HandleValue};
use crate::dom::abortsignal::AbortSignal;
use crate::dom::bindings::codegen::Bindings::AbortControllerBinding::AbortControllerMethods;
use crate::dom::bindings::reflector::{Reflector, reflect_dom_object_with_proto};
use crate::dom::bindings::root::DomRoot;
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::globalscope::GlobalScope;
use crate::script_runtime::{CanGc, JSContext};
/// <https://dom.spec.whatwg.org/#abortcontroller>
#[dom_struct]
pub(crate) struct AbortController {
reflector_: Reflector,
/// An AbortController object has an associated signal (an AbortSignal object).
signal: Dom<AbortSignal>,
}
impl AbortController {
/// <https://dom.spec.whatwg.org/#dom-abortcontroller-abortcontroller>
fn new_inherited() -> AbortController {
// The new AbortController() constructor steps are:
// Let signal be a new AbortSignal object.
// Set this’s signal to signal.
AbortController {
reflector_: Reflector::new(),
signal: Dom::from_ref(&AbortSignal::new_inherited()),
}
}
@ -36,6 +45,12 @@ impl AbortController {
can_gc,
)
}
/// <https://dom.spec.whatwg.org/#abortcontroller-signal-abort>
fn signal_abort(&self, cx: JSContext, reason: HandleValue, can_gc: CanGc) {
// signal abort on controller’s signal with reason if it is given.
self.signal.signal_abort(cx, reason, can_gc);
}
}
impl AbortControllerMethods<crate::DomTypeHolder> for AbortController {
@ -49,5 +64,9 @@ impl AbortControllerMethods<crate::DomTypeHolder> for AbortController {
}
/// <https://dom.spec.whatwg.org/#dom-abortcontroller-abort>
fn Abort(&self, _cx: JSContext, _reason: Handle<'_, Value>) {}
fn Abort(&self, cx: JSContext, reason: HandleValue, can_gc: CanGc) {
// The abort(reason) method steps are
// to signal abort on this with reason if it is given.
self.signal_abort(cx, reason, can_gc);
}
}