forked from mirrors/gecko-dev
3d9adc5e80
For the usecases in dom/file, I'm not so sure how to get the global at callsites, so I let aIsSystemPrincipal and aCrossOriginIsolated to be false for now. Differential Revision: https://phabricator.services.mozilla.com/D63905 --HG-- extra : moz-landing-system : lando
103 lines
3.7 KiB
C++
103 lines
3.7 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_MultipartBlobImpl_h
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#define mozilla_dom_MultipartBlobImpl_h
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#include <utility>
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#include "mozilla/Attributes.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/dom/BaseBlobImpl.h"
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namespace mozilla {
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namespace dom {
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// This is just a sentinel value to be sure that we don't call
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// SetLengthAndModifiedDate more than once.
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constexpr int64_t MULTIPARTBLOBIMPL_UNKNOWN_LAST_MODIFIED = INT64_MAX;
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constexpr uint64_t MULTIPARTBLOBIMPL_UNKNOWN_LENGTH = UINT64_MAX;
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class MultipartBlobImpl final : public BaseBlobImpl {
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public:
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NS_INLINE_DECL_REFCOUNTING_INHERITED(MultipartBlobImpl, BaseBlobImpl)
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// Create as a file
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static already_AddRefed<MultipartBlobImpl> Create(
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nsTArray<RefPtr<BlobImpl>>&& aBlobImpls, const nsAString& aName,
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const nsAString& aContentType, bool aCrossOriginIsolated,
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ErrorResult& aRv);
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// Create as a blob
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static already_AddRefed<MultipartBlobImpl> Create(
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nsTArray<RefPtr<BlobImpl>>&& aBlobImpls, const nsAString& aContentType,
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ErrorResult& aRv);
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// Create as a file to be later initialized
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explicit MultipartBlobImpl(const nsAString& aName)
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: BaseBlobImpl(aName, EmptyString(), MULTIPARTBLOBIMPL_UNKNOWN_LENGTH,
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MULTIPARTBLOBIMPL_UNKNOWN_LAST_MODIFIED) {}
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// Create as a blob to be later initialized
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MultipartBlobImpl()
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: BaseBlobImpl(EmptyString(), MULTIPARTBLOBIMPL_UNKNOWN_LENGTH) {}
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void InitializeBlob(bool aCrossOriginIsolated, ErrorResult& aRv);
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void InitializeBlob(const Sequence<Blob::BlobPart>& aData,
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const nsAString& aContentType, bool aNativeEOL,
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bool aCrossOriginIsolated, ErrorResult& aRv);
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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) override;
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uint64_t GetSize(ErrorResult& aRv) override { return mLength; }
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void CreateInputStream(nsIInputStream** aInputStream,
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ErrorResult& aRv) override;
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const nsTArray<RefPtr<BlobImpl>>* GetSubBlobImpls() const override {
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return mBlobImpls.Length() ? &mBlobImpls : nullptr;
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}
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void SetName(const nsAString& aName) { mName = aName; }
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size_t GetAllocationSize() const override;
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size_t GetAllocationSize(
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FallibleTArray<BlobImpl*>& aVisitedBlobImpls) const override;
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void GetBlobImplType(nsAString& aBlobImplType) const override;
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void SetLastModified(int64_t aLastModified);
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protected:
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// File constructor.
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MultipartBlobImpl(nsTArray<RefPtr<BlobImpl>>&& aBlobImpls,
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const nsAString& aName, const nsAString& aContentType)
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: BaseBlobImpl(aName, aContentType, MULTIPARTBLOBIMPL_UNKNOWN_LENGTH,
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MULTIPARTBLOBIMPL_UNKNOWN_LAST_MODIFIED),
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mBlobImpls(std::move(aBlobImpls)) {}
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// Blob constructor.
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MultipartBlobImpl(nsTArray<RefPtr<BlobImpl>>&& aBlobImpls,
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const nsAString& aContentType)
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: BaseBlobImpl(aContentType, MULTIPARTBLOBIMPL_UNKNOWN_LENGTH),
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mBlobImpls(std::move(aBlobImpls)) {}
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~MultipartBlobImpl() = default;
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void SetLengthAndModifiedDate(const Maybe<bool>& aCrossOriginIsolated,
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ErrorResult& aRv);
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nsTArray<RefPtr<BlobImpl>> mBlobImpls;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_MultipartBlobImpl_h
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