forked from mirrors/gecko-dev
30b37e77e5
<!-- Please describe your changes on the following line: --> See https://github.com/servo/rust-mozjs/issues/343#issuecomment-294513870 Heap::new() constructor is unsafe. Heap should be set after reflect_dom_object call in order to prevent potential GC crashes. <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: --> - [x] `./mach build -d` does not report any errors - [x] `./mach test-tidy` does not report any errors - [ ] These changes fix #__ (github issue number if applicable). <!-- Either: --> - [x] There are tests for these changes OR - [ ] These changes do not require tests because _____ <!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.--> <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. --> Source-Repo: https://github.com/servo/servo Source-Revision: e8aa3759bd8f74f7a962e421bd0cbf2a0a3e35da --HG-- extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear extra : subtree_revision : 1f7e2346a5f25efa3e055ff02cd6b9090de23837
100 lines
3.7 KiB
Rust
100 lines
3.7 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use dom::bindings::codegen::Bindings::ExtendableMessageEventBinding;
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use dom::bindings::codegen::Bindings::ExtendableMessageEventBinding::ExtendableMessageEventMethods;
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use dom::bindings::error::Fallible;
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use dom::bindings::inheritance::Castable;
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use dom::bindings::js::Root;
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use dom::bindings::reflector::reflect_dom_object;
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use dom::bindings::str::DOMString;
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use dom::bindings::trace::RootedTraceableBox;
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use dom::event::Event;
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use dom::eventtarget::EventTarget;
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use dom::extendableevent::ExtendableEvent;
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use dom::globalscope::GlobalScope;
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use dom::serviceworkerglobalscope::ServiceWorkerGlobalScope;
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use dom_struct::dom_struct;
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use js::jsapi::{HandleValue, Heap, JSContext};
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use js::jsval::JSVal;
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use servo_atoms::Atom;
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#[dom_struct]
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pub struct ExtendableMessageEvent {
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event: ExtendableEvent,
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data: Heap<JSVal>,
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origin: DOMString,
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lastEventId: DOMString,
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}
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impl ExtendableMessageEvent {
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pub fn new(global: &GlobalScope, type_: Atom,
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bubbles: bool, cancelable: bool,
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data: HandleValue, origin: DOMString, lastEventId: DOMString)
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-> Root<ExtendableMessageEvent> {
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let ev = box ExtendableMessageEvent {
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event: ExtendableEvent::new_inherited(),
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data: Heap::default(),
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origin: origin,
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lastEventId: lastEventId,
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};
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let ev = reflect_dom_object(ev, global, ExtendableMessageEventBinding::Wrap);
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{
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let event = ev.upcast::<Event>();
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event.init_event(type_, bubbles, cancelable);
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}
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ev.data.set(data.get());
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ev
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}
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pub fn Constructor(worker: &ServiceWorkerGlobalScope,
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type_: DOMString,
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init: RootedTraceableBox<ExtendableMessageEventBinding::ExtendableMessageEventInit>)
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-> Fallible<Root<ExtendableMessageEvent>> {
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let global = worker.upcast::<GlobalScope>();
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let ev = ExtendableMessageEvent::new(global,
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Atom::from(type_),
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init.parent.parent.bubbles,
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init.parent.parent.cancelable,
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init.data.handle(),
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init.origin.clone().unwrap(),
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init.lastEventId.clone().unwrap());
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Ok(ev)
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}
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}
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impl ExtendableMessageEvent {
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pub fn dispatch_jsval(target: &EventTarget,
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scope: &GlobalScope,
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message: HandleValue) {
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let Extendablemessageevent = ExtendableMessageEvent::new(
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scope, atom!("message"), false, false, message,
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DOMString::new(), DOMString::new());
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Extendablemessageevent.upcast::<Event>().fire(target);
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}
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}
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impl ExtendableMessageEventMethods for ExtendableMessageEvent {
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#[allow(unsafe_code)]
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// https://w3c.github.io/ServiceWorker/#extendablemessage-event-data-attribute
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unsafe fn Data(&self, _cx: *mut JSContext) -> JSVal {
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self.data.get()
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}
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// https://w3c.github.io/ServiceWorker/#extendablemessage-event-origin-attribute
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fn Origin(&self) -> DOMString {
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self.origin.clone()
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}
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// https://w3c.github.io/ServiceWorker/#extendablemessage-event-lasteventid-attribute
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fn LastEventId(&self) -> DOMString {
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self.lastEventId.clone()
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}
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// https://dom.spec.whatwg.org/#dom-event-istrusted
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fn IsTrusted(&self) -> bool {
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self.event.IsTrusted()
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}
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}
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