script/dom/serviceworker/
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::context::JSContext;
7use js::rust::{HandleObject, HandleValue};
8use script_bindings::reflector::reflect_dom_object_with_proto_and_cx;
9use stylo_atoms::Atom;
10
11use crate::dom::bindings::codegen::Bindings::EventBinding::EventMethods;
12use crate::dom::bindings::codegen::Bindings::ExtendableEventBinding::{
13    ExtendableEventInit, ExtendableEventMethods,
14};
15use crate::dom::bindings::error::{Error, ErrorResult, Fallible};
16use crate::dom::bindings::inheritance::Castable;
17use crate::dom::bindings::root::DomRoot;
18use crate::dom::bindings::str::DOMString;
19use crate::dom::event::Event;
20use crate::dom::serviceworkerglobalscope::ServiceWorkerGlobalScope;
21use crate::script_runtime::JSContext as SafeJSContext;
22
23// https://w3c.github.io/ServiceWorker/#extendable-event
24#[dom_struct]
25pub(crate) struct ExtendableEvent {
26    event: Event,
27    extensions_allowed: bool,
28}
29
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        cx: &mut JSContext,
40        worker: &ServiceWorkerGlobalScope,
41        type_: Atom,
42        bubbles: bool,
43        cancelable: bool,
44    ) -> DomRoot<ExtendableEvent> {
45        Self::new_with_proto(cx, worker, None, type_, bubbles, cancelable)
46    }
47
48    fn new_with_proto(
49        cx: &mut JSContext,
50        worker: &ServiceWorkerGlobalScope,
51        proto: Option<HandleObject>,
52        type_: Atom,
53        bubbles: bool,
54        cancelable: bool,
55    ) -> DomRoot<ExtendableEvent> {
56        let ev = reflect_dom_object_with_proto_and_cx(
57            Box::new(ExtendableEvent::new_inherited()),
58            worker,
59            proto,
60            cx,
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        cx: &mut JSContext,
74        worker: &ServiceWorkerGlobalScope,
75        proto: Option<HandleObject>,
76        type_: DOMString,
77        init: &ExtendableEventInit,
78    ) -> Fallible<DomRoot<ExtendableEvent>> {
79        Ok(ExtendableEvent::new_with_proto(
80            cx,
81            worker,
82            proto,
83            Atom::from(type_),
84            init.parent.bubbles,
85            init.parent.cancelable,
86        ))
87    }
88
89    /// <https://w3c.github.io/ServiceWorker/#wait-until-method>
90    fn WaitUntil(&self, _cx: SafeJSContext, _val: HandleValue) -> ErrorResult {
91        // Step 1
92        if !self.extensions_allowed {
93            return Err(Error::InvalidState(None));
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/serviceworker/extendableevent.rs

script/dom/serviceworker/
extendableevent.rs
