зеркало из https://github.com/mozilla/gecko-dev.git
83 строки
2.8 KiB
C++
83 строки
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "EmptyBody.h"
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#include "mozilla/ipc/PBackgroundSharedTypes.h"
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#include "nsStringStream.h"
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namespace mozilla::dom {
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NS_IMPL_ADDREF_INHERITED(EmptyBody, FetchBody<EmptyBody>)
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NS_IMPL_RELEASE_INHERITED(EmptyBody, FetchBody<EmptyBody>)
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NS_IMPL_CYCLE_COLLECTION_CLASS(EmptyBody)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(EmptyBody, FetchBody<EmptyBody>)
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AbortFollower::Unlink(static_cast<AbortFollower*>(tmp));
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mOwner)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mAbortSignalImpl)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mFetchStreamReader)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(EmptyBody,
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FetchBody<EmptyBody>)
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AbortFollower::Traverse(static_cast<AbortFollower*>(tmp), cb);
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mOwner)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mAbortSignalImpl)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFetchStreamReader)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(EmptyBody, FetchBody<EmptyBody>)
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(EmptyBody)
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NS_INTERFACE_MAP_END_INHERITING(FetchBody<EmptyBody>)
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EmptyBody::EmptyBody(nsIGlobalObject* aGlobal,
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mozilla::ipc::PrincipalInfo* aPrincipalInfo,
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AbortSignalImpl* aAbortSignalImpl,
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already_AddRefed<nsIInputStream> aBodyStream)
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: FetchBody<EmptyBody>(aGlobal),
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mAbortSignalImpl(aAbortSignalImpl),
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mBodyStream(std::move(aBodyStream)) {
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if (aPrincipalInfo) {
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mPrincipalInfo = MakeUnique<mozilla::ipc::PrincipalInfo>(*aPrincipalInfo);
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}
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}
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EmptyBody::~EmptyBody() = default;
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/* static */
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already_AddRefed<EmptyBody> EmptyBody::Create(
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nsIGlobalObject* aGlobal, mozilla::ipc::PrincipalInfo* aPrincipalInfo,
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AbortSignalImpl* aAbortSignalImpl, const nsACString& aMimeType,
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ErrorResult& aRv) {
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nsCOMPtr<nsIInputStream> bodyStream;
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aRv = NS_NewCStringInputStream(getter_AddRefs(bodyStream), ""_ns);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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RefPtr<EmptyBody> emptyBody = new EmptyBody(
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aGlobal, aPrincipalInfo, aAbortSignalImpl, bodyStream.forget());
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emptyBody->OverrideMimeType(aMimeType);
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return emptyBody.forget();
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}
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void EmptyBody::GetBody(nsIInputStream** aStream, int64_t* aBodyLength) {
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MOZ_ASSERT(aStream);
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if (aBodyLength) {
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*aBodyLength = 0;
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}
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nsCOMPtr<nsIInputStream> bodyStream = mBodyStream;
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bodyStream.forget(aStream);
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}
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} // namespace mozilla::dom
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