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begin messageport, transferable objects, impl

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Accept transfer argument for StructuredCloneData::write

Allow structured clone reads to return a boolean

Add Transferable trait

Add basic skeletons to MessagePort

Implement transfer and transfer-receiving steps on MessagePort

Use transfer and transfer_receive in StructuredClone callbacks

Implement MessageChannel

Freeze the array object for the MessageEvent ports attribute

Implement transfer argument on window.postMessage

Use ReentrantMutex instead for MessagePortInternal

Accept origin as a parameter in dispatch_jsval

Fix BorrowMut crash with pending_port_message

Detach port on closure and check for detached during transfer

Enable webmessaging tests

fix webidl

fix
This commit is contained in:
Keith Yeung 2016-12-11 03:52:08 -08:00 • committed by Gregory Terzian
parent 605ddbecd4
commit c3b17c1201
37 changed files with 801 additions and 81 deletions
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18
components/script/dom/worker.rs
View file

@ -137,7 +137,11 @@ impl Worker {
self.terminated.get()
}
pub fn handle_message(address: TrustedWorkerAddress, data: StructuredCloneData) {
pub fn handle_message(
address: TrustedWorkerAddress,
origin: String,
data: StructuredCloneData,
) {
let worker = address.root();
if worker.is_terminated() {
@ -148,8 +152,8 @@ impl Worker {
let target = worker.upcast();
let _ac = enter_realm(target);
rooted!(in(*global.get_cx()) let mut message = UndefinedValue());
data.read(&global, message.handle_mut());
MessageEvent::dispatch_jsval(target, &global, message.handle(), None, None);
assert!(data.read(&global, message.handle_mut()));
MessageEvent::dispatch_jsval(target, &global, message.handle(), Some(&origin), None, vec![]);
}
pub fn dispatch_simple_error(address: TrustedWorkerAddress) {
@ -161,14 +165,18 @@ impl Worker {
impl WorkerMethods for Worker {
// https://html.spec.whatwg.org/multipage/#dom-worker-postmessage
fn PostMessage(&self, cx: JSContext, message: HandleValue) -> ErrorResult {
let data = StructuredCloneData::write(*cx, message)?;
rooted!(in(*cx) let transfer = UndefinedValue());
let data = StructuredCloneData::write(*cx, message, transfer.handle())?;
let address = Trusted::new(self);
// NOTE: step 9 of https://html.spec.whatwg.org/multipage/#dom-messageport-postmessage
// indicates that a nonexistent communication channel should result in a silent error.
let _ = self.sender.send(DedicatedWorkerScriptMsg::CommonWorker(
address,
WorkerScriptMsg::DOMMessage(data),
WorkerScriptMsg::DOMMessage {
origin: self.global().origin().immutable().ascii_serialization(),
data,
},
));
Ok(())
}