From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- dom/webtransport/api/WebTransportSendStream.cpp | 83 +++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 dom/webtransport/api/WebTransportSendStream.cpp (limited to 'dom/webtransport/api/WebTransportSendStream.cpp') diff --git a/dom/webtransport/api/WebTransportSendStream.cpp b/dom/webtransport/api/WebTransportSendStream.cpp new file mode 100644 index 0000000000..18df0373c8 --- /dev/null +++ b/dom/webtransport/api/WebTransportSendStream.cpp @@ -0,0 +1,83 @@ +/* -*- 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/WebTransportSendStream.h" + +#include "mozilla/dom/UnderlyingSinkCallbackHelpers.h" +#include "mozilla/dom/WritableStream.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(WebTransportSendStream, WritableStream, + mTransport) +NS_IMPL_ADDREF_INHERITED(WebTransportSendStream, WritableStream) +NS_IMPL_RELEASE_INHERITED(WebTransportSendStream, WritableStream) +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(WebTransportSendStream) +NS_INTERFACE_MAP_END_INHERITING(WritableStream) + +WebTransportSendStream::WebTransportSendStream(nsIGlobalObject* aGlobal, + WebTransport* aTransport) + : WritableStream(aGlobal, + WritableStream::HoldDropJSObjectsCaller::Explicit), + mTransport(aTransport) { + mozilla::HoldJSObjects(this); +} + +JSObject* WebTransportSendStream::WrapObject( + JSContext* aCx, JS::Handle aGivenProto) { + return WebTransportSendStream_Binding::Wrap(aCx, this, aGivenProto); +} + +// NOTE: this does not yet implement SendOrder; see bug 1816925 +/* static */ +already_AddRefed WebTransportSendStream::Create( + WebTransport* aWebTransport, nsIGlobalObject* aGlobal, uint64_t aStreamId, + DataPipeSender* sender, ErrorResult& aRv) { + // https://w3c.github.io/webtransport/#webtransportsendstream-create + AutoJSAPI jsapi; + if (!jsapi.Init(aGlobal)) { + return nullptr; + } + JSContext* cx = jsapi.cx(); + + auto stream = MakeRefPtr(aGlobal, aWebTransport); + + nsCOMPtr outputStream = sender; + auto algorithms = MakeRefPtr( + stream->GetParentObject(), outputStream); + + // Steps 2-5 + RefPtr writableSizeAlgorithm; + stream->SetUpNative(cx, *algorithms, Nothing(), writableSizeAlgorithm, aRv); + + // Step 6: Add the following steps to stream’s [[controller]]'s [[signal]]. + // Step 6.1: If stream.[[PendingOperation]] is null, then abort these steps. + // Step 6.2: Let reason be stream’s [[controller]]'s [[signal]]'s abort + // reason. Step 6.3: Let abortPromise be the result of aborting stream with + // reason. Step 6.4: Upon fulfillment of abortPromise, reject promise with + // reason. Step 6.5: Let pendingOperation be stream.[[PendingOperation]]. + // Step 6.6: Set stream.[[PendingOperation]] to null. + // Step 6.7: Resolve pendingOperation with promise. + // XXX TODO + + // Step 7: Append stream to SendStreams + aWebTransport->mSendStreams.InsertOrUpdate(aStreamId, stream); + // Step 8: return stream + return stream.forget(); +} + +already_AddRefed WebTransportSendStream::GetStats() { + RefPtr promise = Promise::CreateInfallible(WritableStream::mGlobal); + promise->MaybeRejectWithNotSupportedError("GetStats isn't supported yet"); + return promise.forget(); +} + +} // namespace mozilla::dom -- cgit v1.2.3