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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 */
#ifndef mozilla_dom_Response_h
#define mozilla_dom_Response_h
#include "nsWrapperCache.h"
#include "nsISupportsImpl.h"
#include "mozilla/dom/Fetch.h"
#include "mozilla/dom/ResponseBinding.h"
#include "InternalHeaders.h"
#include "InternalResponse.h"
namespace mozilla {
namespace ipc {
class PrincipalInfo;
} // namespace ipc
namespace dom {
class Headers;
class Response final : public FetchBody<Response>, public nsWrapperCache {
Response(nsIGlobalObject* aGlobal,
SafeRefPtr<InternalResponse> aInternalResponse,
AbortSignalImpl* aSignalImpl);
Response(const Response& aOther) = delete;
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override {
return Response_Binding::Wrap(aCx, this, aGivenProto);
ResponseType Type() const { return mInternalResponse->Type(); }
void GetUrl(nsACString& aUrl) const { aUrl = mInternalResponse->GetURL(); }
bool Redirected() const { return mInternalResponse->IsRedirected(); }
uint16_t Status() const { return mInternalResponse->GetStatus(); }
bool Ok() const {
return mInternalResponse->GetStatus() >= 200 &&
mInternalResponse->GetStatus() <= 299;
void GetStatusText(nsCString& aStatusText) const {
aStatusText = mInternalResponse->GetStatusText();
InternalHeaders* GetInternalHeaders() const {
return mInternalResponse->Headers();
void InitChannelInfo(nsIChannel* aChannel) {
const ChannelInfo& GetChannelInfo() const {
return mInternalResponse->GetChannelInfo();
const UniquePtr<mozilla::ipc::PrincipalInfo>& GetPrincipalInfo() const {
return mInternalResponse->GetPrincipalInfo();
bool HasCacheInfoChannel() const {
return mInternalResponse->HasCacheInfoChannel();
Headers* Headers_();
void GetBody(nsIInputStream** aStream, int64_t* aBodyLength = nullptr) {
mInternalResponse->GetBody(aStream, aBodyLength);
using FetchBody::GetBody;
using FetchBody::BodyBlobURISpec;
const nsACString& BodyBlobURISpec() const {
return mInternalResponse->BodyBlobURISpec();
using FetchBody::BodyLocalPath;
const nsAString& BodyLocalPath() const {
return mInternalResponse->BodyLocalPath();
static already_AddRefed<Response> Error(const GlobalObject& aGlobal);
static already_AddRefed<Response> Redirect(const GlobalObject& aGlobal,
const nsACString& aUrl,
uint16_t aStatus,
ErrorResult& aRv);
static already_AddRefed<Response> CreateFromJson(const GlobalObject&,
const ResponseInit&,
static already_AddRefed<Response> Constructor(
const GlobalObject& aGlobal,
const Nullable<fetch::ResponseBodyInit>& aBody, const ResponseInit& aInit,
ErrorResult& rv);
nsIGlobalObject* GetParentObject() const { return mOwner; }
already_AddRefed<Response> Clone(JSContext* aCx, ErrorResult& aRv);
already_AddRefed<Response> CloneUnfiltered(JSContext* aCx, ErrorResult& aRv);
void SetBody(nsIInputStream* aBody, int64_t aBodySize);
SafeRefPtr<InternalResponse> GetInternalResponse() const;
AbortSignalImpl* GetSignalImpl() const override { return mSignalImpl; }
AbortSignalImpl* GetSignalImplToConsumeBody() const final {
// XXX: BodyConsumer is supposed to work in terms of ReadableStream and
// should be affected by:
// Step 6: If response’s body is not null and is readable, then error
// response’s body with error.
// But since it's written before streams work, it's currently depending on
// abort signal to be aborted.
// Please fix this when DOM ReadableStream is ready. (Bug 1730584)
return mSignalImpl;
static already_AddRefed<Response> CreateAndInitializeAResponse(
const GlobalObject& aGlobal,
const Nullable<fetch::ResponseBodyInit>& aBody,
const nsACString& aDefaultContentType, const ResponseInit& aInit,
ErrorResult& aRv);
SafeRefPtr<InternalResponse> mInternalResponse;
// Lazily created
RefPtr<Headers> mHeaders;
RefPtr<AbortSignalImpl> mSignalImpl;
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_Response_h