gecko-dev/dom/file/StreamBlobImpl.h

113 строки
2.7 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_StreamBlobImpl_h
#define mozilla_dom_StreamBlobImpl_h
#include "BaseBlobImpl.h"
#include "nsIMemoryReporter.h"
namespace mozilla {
namespace dom {
class StreamBlobImpl final : public BaseBlobImpl
, public nsIMemoryReporter
{
MOZ_DEFINE_MALLOC_SIZE_OF(MallocSizeOf)
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIMEMORYREPORTER
static already_AddRefed<StreamBlobImpl>
Create(already_AddRefed<nsIInputStream> aInputStream,
const nsAString& aContentType,
uint64_t aLength);
static already_AddRefed<StreamBlobImpl>
Create(already_AddRefed<nsIInputStream> aInputStream,
const nsAString& aName,
const nsAString& aContentType,
int64_t aLastModifiedDate,
uint64_t aLength);
virtual void CreateInputStream(nsIInputStream** aStream,
ErrorResult& aRv) override;
virtual already_AddRefed<BlobImpl>
CreateSlice(uint64_t aStart, uint64_t aLength,
const nsAString& aContentType, ErrorResult& aRv) override;
virtual bool IsMemoryFile() const override
{
return true;
}
int64_t GetFileId() override
{
return mFileId;
}
void SetFileId(int64_t aFileId)
{
mFileId = aFileId;
}
void SetFullPath(const nsAString& aFullPath)
{
mFullPath = aFullPath;
}
void GetMozFullPathInternal(nsAString& aFullPath,
ErrorResult& aRv) const override
{
aFullPath = mFullPath;
}
void SetIsDirectory(bool aIsDirectory)
{
mIsDirectory = aIsDirectory;
}
bool IsDirectory() const override
{
return mIsDirectory;
}
size_t GetAllocationSize() const override;
size_t GetAllocationSize(FallibleTArray<BlobImpl*>& aVisitedBlobImpls) const override
{
return GetAllocationSize();
}
private:
StreamBlobImpl(already_AddRefed<nsIInputStream> aInputStream,
const nsAString& aContentType,
uint64_t aLength);
StreamBlobImpl(already_AddRefed<nsIInputStream> aInputStream,
const nsAString& aName,
const nsAString& aContentType,
int64_t aLastModifiedDate,
uint64_t aLength);
~StreamBlobImpl();
void MaybeRegisterMemoryReporter();
nsCOMPtr<nsIInputStream> mInputStream;
nsString mFullPath;
bool mIsDirectory;
int64_t mFileId;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_StreamBlobImpl_h