servo/components/script/dom/abortcontroller.rs

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * 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 crate::dom::abortsignal::AbortSignal;
use crate::dom::bindings::codegen::Bindings::AbortControllerBinding::AbortControllerMethods;
use crate::dom::bindings::reflector::{reflect_dom_object_with_proto, Reflector};
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::globalscope::GlobalScope;
use crate::script_runtime::JSContext;

#[dom_struct]
pub struct AbortController {
    reflector_: Reflector,
    signal: Dom<AbortSignal>,
}

impl AbortController {
    pub fn new_inherited(signal: &AbortSignal) -> AbortController {
        AbortController {
            reflector_: Reflector::new(),
            signal: Dom::from_ref(signal),
        }
    }

    fn new_with_proto(
        global: &GlobalScope,
        proto: Option<HandleObject>,
    ) -> DomRoot<AbortController> {
        reflect_dom_object_with_proto(
            Box::new(AbortController::new_inherited(&AbortSignal::new(global))),
            global,
            proto,
        )
    }

    #[allow(non_snake_case)]
    pub fn Constructor(
        global: &GlobalScope,
        proto: Option<HandleObject>,
    ) -> DomRoot<AbortController> {
        AbortController::new_with_proto(global, proto)
    }
}

impl AbortControllerMethods for AbortController {
    /// <https://dom.spec.whatwg.org/#dom-abortcontroller-signal>
    fn Signal(&self) -> DomRoot<AbortSignal> {
        DomRoot::from_ref(&self.signal)
    }
    /// <https://dom.spec.whatwg.org/#dom-abortcontroller-abort>
    fn Abort(&self, _cx: JSContext, reason: Handle<'_, Value>) {
        self.signal.signal_abort(reason);
    }
}