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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 http://mozilla.org/MPL/2.0/. */

#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 {
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(Response,
                                                         FetchBody<Response>)

 public:
  Response(nsIGlobalObject* aGlobal, 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(nsAString& aUrl) const {
    CopyUTF8toUTF16(mInternalResponse->GetURL(), aUrl);
  }
  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) {
    mInternalResponse->InitChannelInfo(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 nsAString& aUrl,
                                             uint16_t aStatus,
                                             ErrorResult& aRv);

  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);

  already_AddRefed<InternalResponse> GetInternalResponse() const;

  AbortSignalImpl* GetSignalImpl() const override { return mSignalImpl; }

 private:
  ~Response();

  RefPtr<InternalResponse> mInternalResponse;
  // Lazily created
  RefPtr<Headers> mHeaders;
  RefPtr<AbortSignalImpl> mSignalImpl;
};

}  // namespace dom
}  // namespace mozilla

#endif  // mozilla_dom_Response_h