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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_MultipartBlobImpl_h
#define mozilla_dom_MultipartBlobImpl_h
#include <utility>
#include "Blob.h"
#include "nsContentUtils.h"
#include "mozilla/Attributes.h"
#include "mozilla/Maybe.h"
#include "mozilla/dom/BaseBlobImpl.h"
namespace mozilla {
class ErrorResult;
namespace dom {
// This is just a sentinel value to be sure that we don't call
// SetLengthAndModifiedDate more than once.
constexpr int64_t MULTIPARTBLOBIMPL_UNKNOWN_LAST_MODIFIED = INT64_MAX;
constexpr uint64_t MULTIPARTBLOBIMPL_UNKNOWN_LENGTH = UINT64_MAX;
class MultipartBlobImpl final : public BaseBlobImpl {
public:
NS_INLINE_DECL_REFCOUNTING_INHERITED(MultipartBlobImpl, BaseBlobImpl)
// Create as a file
static already_AddRefed<MultipartBlobImpl> Create(
nsTArray<RefPtr<BlobImpl>>&& aBlobImpls, const nsAString& aName,
const nsAString& aContentType, RTPCallerType aRTPCallerType,
ErrorResult& aRv);
// Create as a blob
static already_AddRefed<MultipartBlobImpl> Create(
nsTArray<RefPtr<BlobImpl>>&& aBlobImpls, const nsAString& aContentType,
ErrorResult& aRv);
// Create as a file to be later initialized
explicit MultipartBlobImpl(const nsAString& aName)
: BaseBlobImpl(aName, u""_ns, MULTIPARTBLOBIMPL_UNKNOWN_LENGTH,
MULTIPARTBLOBIMPL_UNKNOWN_LAST_MODIFIED) {}
// Create as a blob to be later initialized
MultipartBlobImpl()
: BaseBlobImpl(u""_ns, MULTIPARTBLOBIMPL_UNKNOWN_LENGTH) {}
void InitializeBlob(RTPCallerType aRTPCallerType, ErrorResult& aRv);
void InitializeBlob(const Sequence<Blob::BlobPart>& aData,
const nsAString& aContentType, bool aNativeEOL,
RTPCallerType aRTPCallerType, ErrorResult& aRv);
already_AddRefed<BlobImpl> CreateSlice(uint64_t aStart, uint64_t aLength,
const nsAString& aContentType,
ErrorResult& aRv) const override;
uint64_t GetSize(ErrorResult& aRv) override { return mLength; }
void CreateInputStream(nsIInputStream** aStream,
ErrorResult& aRv) const override;
const nsTArray<RefPtr<BlobImpl>>* GetSubBlobImpls() const override {
return mBlobImpls.Length() ? &mBlobImpls : nullptr;
}
void SetName(const nsAString& aName) { mName = aName; }
size_t GetAllocationSize() const override;
size_t GetAllocationSize(
FallibleTArray<BlobImpl*>& aVisitedBlobs) const override;
void GetBlobImplType(nsAString& aBlobImplType) const override;
void SetLastModified(int64_t aLastModified);
protected:
// File constructor.
MultipartBlobImpl(nsTArray<RefPtr<BlobImpl>>&& aBlobImpls,
const nsAString& aName, const nsAString& aContentType)
: BaseBlobImpl(aName, aContentType, MULTIPARTBLOBIMPL_UNKNOWN_LENGTH,
MULTIPARTBLOBIMPL_UNKNOWN_LAST_MODIFIED),
mBlobImpls(std::move(aBlobImpls)) {}
// Blob constructor.
MultipartBlobImpl(nsTArray<RefPtr<BlobImpl>>&& aBlobImpls,
const nsAString& aContentType)
: BaseBlobImpl(aContentType, MULTIPARTBLOBIMPL_UNKNOWN_LENGTH),
mBlobImpls(std::move(aBlobImpls)) {}
~MultipartBlobImpl() override = default;
void SetLengthAndModifiedDate(const Maybe<RTPCallerType>& aRTPCallerType,
ErrorResult& aRv);
nsTArray<RefPtr<BlobImpl>> mBlobImpls;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_MultipartBlobImpl_h
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