зеркало из https://github.com/mozilla/gecko-dev.git
107 строки
3.7 KiB
C++
107 строки
3.7 KiB
C++
/* -*- 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
|