forked from mirrors/gecko-dev
137 lines
3.7 KiB
C++
137 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* 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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#include "SimpleChannel.h"
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#include "nsBaseChannel.h"
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#include "nsIChannel.h"
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#include "nsIChildChannel.h"
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#include "nsICancelable.h"
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#include "nsIInputStream.h"
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#include "nsIRequest.h"
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#include "nsISupportsImpl.h"
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#include "nsNetUtil.h"
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#include "mozilla/Try.h"
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#include "mozilla/Unused.h"
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/net/NeckoChild.h"
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#include "mozilla/net/PSimpleChannelChild.h"
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namespace mozilla {
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namespace net {
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SimpleChannel::SimpleChannel(UniquePtr<SimpleChannelCallbacks>&& aCallbacks)
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: mCallbacks(std::move(aCallbacks)) {
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EnableSynthesizedProgressEvents(true);
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}
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nsresult SimpleChannel::OpenContentStream(bool async,
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nsIInputStream** streamOut,
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nsIChannel** channel) {
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NS_ENSURE_TRUE(mCallbacks, NS_ERROR_UNEXPECTED);
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nsCOMPtr<nsIInputStream> stream;
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MOZ_TRY_VAR(stream, mCallbacks->OpenContentStream(async, this));
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MOZ_ASSERT(stream);
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mCallbacks = nullptr;
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*channel = nullptr;
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stream.forget(streamOut);
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return NS_OK;
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}
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nsresult SimpleChannel::BeginAsyncRead(nsIStreamListener* listener,
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nsIRequest** request,
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nsICancelable** cancelableRequest) {
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NS_ENSURE_TRUE(mCallbacks, NS_ERROR_UNEXPECTED);
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RequestOrReason res = mCallbacks->StartAsyncRead(listener, this);
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if (res.isErr()) {
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return res.propagateErr();
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}
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mCallbacks = nullptr;
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RequestOrCancelable value = res.unwrap();
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if (value.is<NotNullRequest>()) {
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nsCOMPtr<nsIRequest> req = value.as<NotNullRequest>().get();
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req.forget(request);
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} else if (value.is<NotNullCancelable>()) {
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nsCOMPtr<nsICancelable> cancelable = value.as<NotNullCancelable>().get();
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cancelable.forget(cancelableRequest);
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} else {
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MOZ_ASSERT_UNREACHABLE(
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"StartAsyncRead didn't return a NotNull nsIRequest or nsICancelable.");
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return NS_ERROR_UNEXPECTED;
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}
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return NS_OK;
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}
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NS_IMPL_ISUPPORTS_INHERITED(SimpleChannelChild, SimpleChannel, nsIChildChannel)
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SimpleChannelChild::SimpleChannelChild(
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UniquePtr<SimpleChannelCallbacks>&& aCallbacks)
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: SimpleChannel(std::move(aCallbacks)) {}
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NS_IMETHODIMP
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SimpleChannelChild::ConnectParent(uint32_t aId) {
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MOZ_ASSERT(NS_IsMainThread());
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mozilla::dom::ContentChild* cc =
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static_cast<mozilla::dom::ContentChild*>(gNeckoChild->Manager());
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if (cc->IsShuttingDown()) {
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return NS_ERROR_FAILURE;
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}
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// Reference freed in DeallocPSimpleChannelChild.
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if (!gNeckoChild->SendPSimpleChannelConstructor(do_AddRef(this).take(),
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aId)) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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SimpleChannelChild::CompleteRedirectSetup(nsIStreamListener* aListener) {
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if (CanSend()) {
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MOZ_ASSERT(NS_IsMainThread());
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}
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nsresult rv;
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rv = AsyncOpen(aListener);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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if (CanSend()) {
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Unused << Send__delete__(this);
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}
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return NS_OK;
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}
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already_AddRefed<nsIChannel> NS_NewSimpleChannelInternal(
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nsIURI* aURI, nsILoadInfo* aLoadInfo,
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UniquePtr<SimpleChannelCallbacks>&& aCallbacks) {
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RefPtr<SimpleChannel> chan;
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if (IsNeckoChild()) {
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chan = new SimpleChannelChild(std::move(aCallbacks));
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} else {
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chan = new SimpleChannel(std::move(aCallbacks));
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}
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chan->SetURI(aURI);
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MOZ_ALWAYS_SUCCEEDS(chan->SetLoadInfo(aLoadInfo));
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return chan.forget();
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}
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} // namespace net
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} // namespace mozilla
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