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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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21
components/script/dom/dedicatedworkerglobalscope.rs
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@ -462,13 +462,20 @@ impl DedicatedWorkerGlobalScope {
fn handle_script_event(&self, msg: WorkerScriptMsg) {
match msg {
WorkerScriptMsg::DOMMessage(data) => {
WorkerScriptMsg::DOMMessage { origin, data } => {
let scope = self.upcast::<WorkerGlobalScope>();
let target = self.upcast();
let _ac = enter_realm(self);
rooted!(in(*scope.get_cx()) let mut message = UndefinedValue());
data.read(scope.upcast(), message.handle_mut());
MessageEvent::dispatch_jsval(target, scope.upcast(), message.handle(), None, None);
assert!(data.read(scope.upcast(), message.handle_mut()));
MessageEvent::dispatch_jsval(
target,
scope.upcast(),
message.handle(),
Some(&origin),
None,
vec![],
);
},
WorkerScriptMsg::Common(msg) => {
self.upcast::<WorkerGlobalScope>().process_event(msg);
@ -562,11 +569,13 @@ unsafe extern "C" fn interrupt_callback(cx: *mut JSContext) -> bool {
impl DedicatedWorkerGlobalScopeMethods for DedicatedWorkerGlobalScope {
// https://html.spec.whatwg.org/multipage/#dom-dedicatedworkerglobalscope-postmessage
fn PostMessage(&self, cx: SafeJSContext, message: HandleValue) -> ErrorResult {
let data = StructuredCloneData::write(*cx, message)?;
rooted!(in(*cx) let transfer = UndefinedValue());
let data = StructuredCloneData::write(*cx, message, transfer.handle())?;
let worker = self.worker.borrow().as_ref().unwrap().clone();
let pipeline_id = self.upcast::<GlobalScope>().pipeline_id();
let pipeline_id = self.global().pipeline_id();
let origin = self.global().origin().immutable().ascii_serialization();
let task = Box::new(task!(post_worker_message: move || {
Worker::handle_message(worker, data);
Worker::handle_message(worker, origin, data);
}));
// TODO: Change this task source to a new `unshipped-port-message-queue` task source
self.parent_sender