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 #include "EmptyBody.h"
8
9 #include "mozilla/ipc/PBackgroundSharedTypes.h"
10 #include "nsStringStream.h"
11
12 namespace mozilla::dom {
13
14 NS_IMPL_ADDREF_INHERITED(EmptyBody, FetchBody<EmptyBody>)
15 NS_IMPL_RELEASE_INHERITED(EmptyBody, FetchBody<EmptyBody>)
16
17 NS_IMPL_CYCLE_COLLECTION_CLASS(EmptyBody)
18
19 NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(EmptyBody, FetchBody<EmptyBody>)
20 AbortFollower::Unlink(static_cast<AbortFollower*>(tmp));
21 NS_IMPL_CYCLE_COLLECTION_UNLINK(mOwner)
22 NS_IMPL_CYCLE_COLLECTION_UNLINK(mAbortSignalImpl)
23 NS_IMPL_CYCLE_COLLECTION_UNLINK(mFetchStreamReader)
24 NS_IMPL_CYCLE_COLLECTION_UNLINK_END
25
26 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(EmptyBody,
27 FetchBody<EmptyBody>)
28 AbortFollower::Traverse(static_cast<AbortFollower*>(tmp), cb);
29 NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mOwner)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mAbortSignalImpl)30 NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mAbortSignalImpl)
31 NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFetchStreamReader)
32 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
33
34 NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(EmptyBody, FetchBody<EmptyBody>)
35 NS_IMPL_CYCLE_COLLECTION_TRACE_END
36
37 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(EmptyBody)
38 NS_INTERFACE_MAP_END_INHERITING(FetchBody<EmptyBody>)
39
40 EmptyBody::EmptyBody(nsIGlobalObject* aGlobal,
41 mozilla::ipc::PrincipalInfo* aPrincipalInfo,
42 AbortSignalImpl* aAbortSignalImpl,
43 const nsACString& aMimeType,
44 already_AddRefed<nsIInputStream> aBodyStream)
45 : FetchBody<EmptyBody>(aGlobal),
46 mAbortSignalImpl(aAbortSignalImpl),
47 mMimeType(aMimeType),
48 mBodyStream(std::move(aBodyStream)) {
49 if (aPrincipalInfo) {
50 mPrincipalInfo = MakeUnique<mozilla::ipc::PrincipalInfo>(*aPrincipalInfo);
51 }
52 }
53
54 EmptyBody::~EmptyBody() = default;
55
56 /* static */
Create(nsIGlobalObject * aGlobal,mozilla::ipc::PrincipalInfo * aPrincipalInfo,AbortSignalImpl * aAbortSignalImpl,const nsACString & aMimeType,ErrorResult & aRv)57 already_AddRefed<EmptyBody> EmptyBody::Create(
58 nsIGlobalObject* aGlobal, mozilla::ipc::PrincipalInfo* aPrincipalInfo,
59 AbortSignalImpl* aAbortSignalImpl, const nsACString& aMimeType,
60 ErrorResult& aRv) {
61 nsCOMPtr<nsIInputStream> bodyStream;
62 aRv = NS_NewCStringInputStream(getter_AddRefs(bodyStream), ""_ns);
63 if (NS_WARN_IF(aRv.Failed())) {
64 return nullptr;
65 }
66
67 RefPtr<EmptyBody> emptyBody =
68 new EmptyBody(aGlobal, aPrincipalInfo, aAbortSignalImpl, aMimeType,
69 bodyStream.forget());
70 return emptyBody.forget();
71 }
72
GetBody(nsIInputStream ** aStream,int64_t * aBodyLength)73 void EmptyBody::GetBody(nsIInputStream** aStream, int64_t* aBodyLength) {
74 MOZ_ASSERT(aStream);
75
76 if (aBodyLength) {
77 *aBodyLength = 0;
78 }
79
80 nsCOMPtr<nsIInputStream> bodyStream = mBodyStream;
81 bodyStream.forget(aStream);
82 }
83
84 } // namespace mozilla::dom
85