1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
/* 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::realm::CurrentRealm;
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::{Dom, DomRoot};
use crate::dom::globalscope::GlobalScope;
use crate::script_runtime::CanGc;
/// <https://dom.spec.whatwg.org/#abortcontroller>
#[dom_struct]
pub(crate) struct AbortController {
reflector_: Reflector,
/// <https://dom.spec.whatwg.org/#dom-abortcontroller-signal>
signal: Dom<AbortSignal>,
}
impl AbortController {
/// <https://dom.spec.whatwg.org/#dom-abortcontroller-abortcontroller>
fn new_inherited(signal: &AbortSignal) -> AbortController {
// Note: continuation of the constructor steps.
// Step 2. Set this’s signal to signal.
AbortController {
reflector_: Reflector::new(),
signal: Dom::from_ref(signal),
}
}
/// <https://dom.spec.whatwg.org/#dom-abortcontroller-abortcontroller>
pub(crate) fn new_with_proto(
global: &GlobalScope,
proto: Option<HandleObject>,
can_gc: CanGc,
) -> DomRoot<AbortController> {
// Step 1. Let signal be a new AbortSignal object.
let signal = AbortSignal::new_with_proto(global, None, can_gc);
// Step 2. Set this’s signal to signal.
reflect_dom_object_with_proto(
Box::new(AbortController::new_inherited(&signal)),
global,
proto,
can_gc,
)
}
/// <https://dom.spec.whatwg.org/#abortcontroller-signal-abort>
pub(crate) fn signal_abort(&self, cx: &mut CurrentRealm, reason: HandleValue) {
// To signal abort on an AbortController controller with an optional reason,
// signal abort on controller’s signal with reason if it is given.
self.signal.signal_abort(cx, reason);
}
/// <https://dom.spec.whatwg.org/#abortcontroller-signal>
pub(crate) fn signal(&self) -> DomRoot<AbortSignal> {
// The signal getter steps are to return this’s signal.
self.signal.as_rooted()
}
}
impl AbortControllerMethods<crate::DomTypeHolder> for AbortController {
/// <https://dom.spec.whatwg.org/#dom-abortcontroller-abortcontroller>
fn Constructor(
global: &GlobalScope,
proto: Option<HandleObject>,
can_gc: CanGc,
) -> DomRoot<AbortController> {
AbortController::new_with_proto(global, proto, can_gc)
}
/// <https://dom.spec.whatwg.org/#dom-abortcontroller-abort>
fn Abort(&self, cx: &mut CurrentRealm, reason: HandleValue) {
// The abort(reason) method steps are
// to signal abort on this with reason if it is given.
self.signal_abort(cx, reason);
}
/// <https://dom.spec.whatwg.org/#dom-abortcontroller-signal>
fn Signal(&self) -> DomRoot<AbortSignal> {
// The signal getter steps are to return this’s signal.
self.signal.as_rooted()
}
}