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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/WebTransportReceiveStream.h"
#include "mozilla/dom/ReadableByteStreamController.h"
#include "mozilla/dom/ReadableStream.h"
#include "mozilla/dom/UnderlyingSourceCallbackHelpers.h"
#include "mozilla/dom/WebTransport.h"
#include "mozilla/dom/WebTransportSendReceiveStreamBinding.h"
#include "mozilla/ipc/DataPipe.h"
using namespace mozilla::ipc;
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_INHERITED(WebTransportReceiveStream, ReadableStream,
mTransport)
NS_IMPL_ADDREF_INHERITED(WebTransportReceiveStream, ReadableStream)
NS_IMPL_RELEASE_INHERITED(WebTransportReceiveStream, ReadableStream)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(WebTransportReceiveStream)
NS_INTERFACE_MAP_END_INHERITING(ReadableStream)
WebTransportReceiveStream::WebTransportReceiveStream(nsIGlobalObject* aGlobal,
WebTransport* aTransport)
: ReadableStream(aGlobal,
ReadableStream::HoldDropJSObjectsCaller::Explicit),
mTransport(aTransport) {
mozilla::HoldJSObjects(this);
}
// WebIDL Boilerplate
JSObject* WebTransportReceiveStream::WrapObject(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
return WebTransportReceiveStream_Binding::Wrap(aCx, this, aGivenProto);
}
already_AddRefed<WebTransportReceiveStream> WebTransportReceiveStream::Create(
WebTransport* aWebTransport, nsIGlobalObject* aGlobal, uint64_t aStreamId,
DataPipeReceiver* receiver, ErrorResult& aRv) {
// https://w3c.github.io/webtransport/#webtransportreceivestream-create
AutoJSAPI jsapi;
if (!jsapi.Init(aGlobal)) {
return nullptr;
}
JSContext* cx = jsapi.cx();
auto stream = MakeRefPtr<WebTransportReceiveStream>(aGlobal, aWebTransport);
nsCOMPtr<nsIAsyncInputStream> inputStream = receiver;
auto algorithms = MakeRefPtr<InputToReadableStreamAlgorithms>(
cx, inputStream, (ReadableStream*)stream);
stream->SetUpByteNative(cx, *algorithms, Some(0.0), aRv);
if (aRv.Failed()) {
return nullptr;
}
// Add to ReceiveStreams
aWebTransport->mReceiveStreams.InsertOrUpdate(aStreamId, stream);
return stream.forget();
}
already_AddRefed<Promise> WebTransportReceiveStream::GetStats() {
RefPtr<Promise> promise = Promise::CreateInfallible(ReadableStream::mGlobal);
promise->MaybeRejectWithNotSupportedError("GetStats isn't supported yet");
return promise.forget();
}
} // namespace mozilla::dom
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