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42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_EmptyBlobImpl_h
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#define mozilla_dom_EmptyBlobImpl_h
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#include "BaseBlobImpl.h"
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namespace mozilla::dom {
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class EmptyBlobImpl final : public BaseBlobImpl {
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public:
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NS_INLINE_DECL_REFCOUNTING_INHERITED(EmptyBlobImpl, BaseBlobImpl)
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// Blob constructor.
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explicit EmptyBlobImpl(const nsAString& aContentType)
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: BaseBlobImpl(aContentType, 0 /* aLength */) {}
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void CreateInputStream(nsIInputStream** aStream,
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ErrorResult& aRv) const override;
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already_AddRefed<BlobImpl> CreateSlice(uint64_t aStart, uint64_t aLength,
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const nsAString& aContentType,
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ErrorResult& aRv) const override;
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bool IsMemoryFile() const override { return true; }
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void GetBlobImplType(nsAString& aBlobImplType) const override {
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aBlobImplType = u"EmptyBlobImpl"_ns;
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}
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private:
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~EmptyBlobImpl() override = default;
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_EmptyBlobImpl_h
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