gecko-dev/dom/base/MultipartBlobImpl.h

132 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/CheckedInt.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/BlobBinding.h"
#include "mozilla/dom/FileBinding.h"
#include <algorithm>
#include "nsPIDOMWindow.h"
using namespace mozilla;
using namespace mozilla::dom;
class MultipartBlobImpl final : public BlobImplBase
{
public:
NS_DECL_ISUPPORTS_INHERITED
// Create as a file
MultipartBlobImpl(const nsTArray<nsRefPtr<BlobImpl>>& aBlobImpls,
const nsAString& aName,
const nsAString& aContentType)
: BlobImplBase(aName, aContentType, UINT64_MAX),
mBlobImpls(aBlobImpls),
mIsFromNsIFile(false)
{
SetLengthAndModifiedDate();
}
// Create as a blob
MultipartBlobImpl(const nsTArray<nsRefPtr<BlobImpl>>& aBlobImpls,
const nsAString& aContentType)
: BlobImplBase(aContentType, UINT64_MAX),
mBlobImpls(aBlobImpls),
mIsFromNsIFile(false)
{
SetLengthAndModifiedDate();
}
// Create as a file to be later initialized
explicit MultipartBlobImpl(const nsAString& aName)
: BlobImplBase(aName, EmptyString(), UINT64_MAX),
mIsFromNsIFile(false)
{
}
// Create as a blob to be later initialized
MultipartBlobImpl()
: BlobImplBase(EmptyString(), UINT64_MAX),
mIsFromNsIFile(false)
{
}
void InitializeBlob();
void InitializeBlob(
JSContext* aCx,
const Sequence<OwningArrayBufferOrArrayBufferViewOrBlobOrString>& aData,
const nsAString& aContentType,
bool aNativeEOL,
ErrorResult& aRv);
void InitializeChromeFile(Blob& aData,
const ChromeFilePropertyBag& aBag,
ErrorResult& aRv);
void InitializeChromeFile(nsPIDOMWindow* aWindow,
const nsAString& aData,
const ChromeFilePropertyBag& aBag,
ErrorResult& aRv);
void InitializeChromeFile(nsPIDOMWindow* aWindow,
nsIFile* aData,
const ChromeFilePropertyBag& aBag,
bool aIsFromNsIFile,
ErrorResult& aRv);
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 GetInternalStream(nsIInputStream** aInputStream,
ErrorResult& aRv) override;
virtual const nsTArray<nsRefPtr<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;
}
void SetFromNsIFile(bool aValue)
{
mIsFromNsIFile = aValue;
}
virtual bool MayBeClonedToOtherThreads() const override;
protected:
virtual ~MultipartBlobImpl() {}
void SetLengthAndModifiedDate();
nsTArray<nsRefPtr<BlobImpl>> mBlobImpls;
bool mIsFromNsIFile;
};
#endif // mozilla_dom_MultipartBlobImpl_h