script/dom/
extendableevent.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5use dom_struct::dom_struct;
6use js::rust::{HandleObject, HandleValue};
7use stylo_atoms::Atom;
8
9use crate::dom::bindings::codegen::Bindings::EventBinding::EventMethods;
10use crate::dom::bindings::codegen::Bindings::ExtendableEventBinding::{
11    ExtendableEventInit, ExtendableEventMethods,
12};
13use crate::dom::bindings::error::{Error, ErrorResult, Fallible};
14use crate::dom::bindings::inheritance::Castable;
15use crate::dom::bindings::reflector::reflect_dom_object_with_proto;
16use crate::dom::bindings::root::DomRoot;
17use crate::dom::bindings::str::DOMString;
18use crate::dom::event::Event;
19use crate::dom::serviceworkerglobalscope::ServiceWorkerGlobalScope;
20use crate::script_runtime::{CanGc, JSContext};
21
22// https://w3c.github.io/ServiceWorker/#extendable-event
23#[dom_struct]
24pub(crate) struct ExtendableEvent {
25    event: Event,
26    extensions_allowed: bool,
27}
28
29#[allow(non_snake_case)]
30impl ExtendableEvent {
31    pub(crate) fn new_inherited() -> ExtendableEvent {
32        ExtendableEvent {
33            event: Event::new_inherited(),
34            extensions_allowed: true,
35        }
36    }
37
38    pub(crate) fn new(
39        worker: &ServiceWorkerGlobalScope,
40        type_: Atom,
41        bubbles: bool,
42        cancelable: bool,
43        can_gc: CanGc,
44    ) -> DomRoot<ExtendableEvent> {
45        Self::new_with_proto(worker, None, type_, bubbles, cancelable, can_gc)
46    }
47
48    fn new_with_proto(
49        worker: &ServiceWorkerGlobalScope,
50        proto: Option<HandleObject>,
51        type_: Atom,
52        bubbles: bool,
53        cancelable: bool,
54        can_gc: CanGc,
55    ) -> DomRoot<ExtendableEvent> {
56        let ev = reflect_dom_object_with_proto(
57            Box::new(ExtendableEvent::new_inherited()),
58            worker,
59            proto,
60            can_gc,
61        );
62        {
63            let event = ev.upcast::<Event>();
64            event.init_event(type_, bubbles, cancelable);
65        }
66        ev
67    }
68}
69
70impl ExtendableEventMethods<crate::DomTypeHolder> for ExtendableEvent {
71    // https://w3c.github.io/ServiceWorker/#dom-extendableevent-extendableevent
72    fn Constructor(
73        worker: &ServiceWorkerGlobalScope,
74        proto: Option<HandleObject>,
75        can_gc: CanGc,
76        type_: DOMString,
77        init: &ExtendableEventInit,
78    ) -> Fallible<DomRoot<ExtendableEvent>> {
79        Ok(ExtendableEvent::new_with_proto(
80            worker,
81            proto,
82            Atom::from(type_),
83            init.parent.bubbles,
84            init.parent.cancelable,
85            can_gc,
86        ))
87    }
88
89    // https://w3c.github.io/ServiceWorker/#wait-until-method
90    fn WaitUntil(&self, _cx: JSContext, _val: HandleValue) -> ErrorResult {
91        // Step 1
92        if !self.extensions_allowed {
93            return Err(Error::InvalidState);
94        }
95        // Step 2
96        // TODO add a extended_promises array to enqueue the `val`
97        Ok(())
98    }
99
100    // https://dom.spec.whatwg.org/#dom-event-istrusted
101    fn IsTrusted(&self) -> bool {
102        self.event.IsTrusted()
103    }
104}
script/dom/extendableevent.rs

script/dom/
extendableevent.rs
