gecko-dev/dom/file/MultipartBlobImpl.h

128 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 "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/Move.h"
#include "mozilla/dom/BaseBlobImpl.h"
namespace mozilla {
namespace dom {
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,
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, EmptyString(), UINT64_MAX),
mIsFromNsIFile(false)
{
}
// Create as a blob to be later initialized
MultipartBlobImpl()
: BaseBlobImpl(EmptyString(), UINT64_MAX),
mIsFromNsIFile(false)
{
}
void InitializeBlob(ErrorResult& aRv);
void InitializeBlob(const Sequence<Blob::BlobPart>& aData,
const nsAString& aContentType,
bool aNativeEOL,
ErrorResult& aRv);
nsresult InitializeChromeFile(nsIFile* aData,
const nsAString& aType,
const nsAString& aName,
bool aLastModifiedPassed,
int64_t aLastModified,
bool aIsFromNsIFile);
virtual already_AddRefed<BlobImpl>
CreateSlice(uint64_t aStart, uint64_t aLength,
const nsAString& aContentType,
ErrorResult& aRv) override;
virtual uint64_t GetSize(ErrorResult& aRv) override
{
return mLength;
}
virtual void CreateInputStream(nsIInputStream** aInputStream,
ErrorResult& aRv) override;
virtual const nsTArray<RefPtr<BlobImpl>>* GetSubBlobImpls() const override
{
return mBlobImpls.Length() ? &mBlobImpls : nullptr;
}
virtual void GetMozFullPathInternal(nsAString& aFullPath,
ErrorResult& aRv) const override;
virtual nsresult
SetMutable(bool aMutable) override;
void SetName(const nsAString& aName)
{
mName = aName;
}
virtual bool MayBeClonedToOtherThreads() const override;
size_t GetAllocationSize() const override;
size_t GetAllocationSize(FallibleTArray<BlobImpl*>& aVisitedBlobImpls) const override;
protected:
MultipartBlobImpl(nsTArray<RefPtr<BlobImpl>>&& aBlobImpls,
const nsAString& aName,
const nsAString& aContentType)
: BaseBlobImpl(aName, aContentType, UINT64_MAX),
mBlobImpls(std::move(aBlobImpls)),
mIsFromNsIFile(false)
{
}
MultipartBlobImpl(nsTArray<RefPtr<BlobImpl>>&& aBlobImpls,
const nsAString& aContentType)
: BaseBlobImpl(aContentType, UINT64_MAX),
mBlobImpls(std::move(aBlobImpls)),
mIsFromNsIFile(false)
{
}
virtual ~MultipartBlobImpl() {}
void SetLengthAndModifiedDate(ErrorResult& aRv);
nsTArray<RefPtr<BlobImpl>> mBlobImpls;
bool mIsFromNsIFile;
};
} // dom namespace
} // mozilla namespace
#endif // mozilla_dom_MultipartBlobImpl_h