Mypal68/dom/file/EmptyBlobImpl.h
2023-05-31 17:43:30 +03:00

44 lines
1.4 KiB
C++

/* 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_EmptyBlobImpl_h
#define mozilla_dom_EmptyBlobImpl_h
#include "BaseBlobImpl.h"
namespace mozilla {
namespace dom {
class EmptyBlobImpl final : public BaseBlobImpl {
public:
NS_INLINE_DECL_REFCOUNTING_INHERITED(EmptyBlobImpl, BaseBlobImpl)
explicit EmptyBlobImpl(const nsAString& aContentType)
: BaseBlobImpl(NS_LITERAL_STRING("EmptyBlobImpl"), aContentType,
0 /* aLength */) {}
EmptyBlobImpl(const nsAString& aName, const nsAString& aContentType,
int64_t aLastModifiedDate)
: BaseBlobImpl(NS_LITERAL_STRING("EmptyBlobImpl"), aName, aContentType, 0,
aLastModifiedDate) {}
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; }
private:
~EmptyBlobImpl() {}
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_EmptyBlobImpl_h