dom/fetch/EmptyBody.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_EmptyBody_h
   8 #define mozilla_dom_EmptyBody_h
   9
  10 #include "nsISupportsImpl.h"
  11
  12 #include "mozilla/dom/Fetch.h"
  13
  14 namespace mozilla {
  15
  16 namespace ipc {
  17 class PrincipalInfo;
  18 }  // namespace ipc
  19
  20 namespace dom {
  21
  22 class EmptyBody final : public FetchBody<EmptyBody> {
  23   NS_DECL_ISUPPORTS_INHERITED
  24   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(EmptyBody,
  25                                                          FetchBody<EmptyBody>)
  26
  27  public:
  28   static already_AddRefed<EmptyBody> Create(
  29       nsIGlobalObject* aGlobal, mozilla::ipc::PrincipalInfo* aPrincipalInfo,
  30       AbortSignalImpl* aAbortSignalImpl, const nsACString& aMimeType,
  31       ErrorResult& aRv);
  32
  33   nsIGlobalObject* GetParentObject() const { return mOwner; }
  34
  35   AbortSignalImpl* GetSignalImpl() const override { return mAbortSignalImpl; }
  36
  37   const UniquePtr<mozilla::ipc::PrincipalInfo>& GetPrincipalInfo() const {
  38     return mPrincipalInfo;
  39   }
  40
  41   void GetMimeType(nsACString& aMimeType) { aMimeType = mMimeType; }
  42
  43   void GetBody(nsIInputStream** aStream, int64_t* aBodyLength = nullptr);
  44
  45   using FetchBody::BodyBlobURISpec;
  46
  47   const nsACString& BodyBlobURISpec() const { return EmptyCString(); }
  48
  49   using FetchBody::BodyLocalPath;
  50
  51   const nsAString& BodyLocalPath() const { return EmptyString(); }
  52
  53  private:
  54   EmptyBody(nsIGlobalObject* aGlobal,
  55             mozilla::ipc::PrincipalInfo* aPrincipalInfo,
  56             AbortSignalImpl* aAbortSignalImpl, const nsACString& aMimeType,
  57             already_AddRefed<nsIInputStream> mBodyStream);
  58
  59   ~EmptyBody();
  60
  61   UniquePtr<mozilla::ipc::PrincipalInfo> mPrincipalInfo;
  62   RefPtr<AbortSignalImpl> mAbortSignalImpl;
  63   nsCString mMimeType;
  64   nsCOMPtr<nsIInputStream> mBodyStream;
  65 };
  66
  67 }  // namespace dom
  68 }  // namespace mozilla
  69
  70 #endif  // mozilla_dom_EmptyBody_h