зеркало из https://github.com/mozilla/gecko-dev.git
85 строки
2.8 KiB
C++
85 строки
2.8 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_FileBlobImpl_h
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#define mozilla_dom_FileBlobImpl_h
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#include "mozilla/dom/BaseBlobImpl.h"
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class nsIFile;
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namespace mozilla {
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namespace dom {
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class FileBlobImpl : public BaseBlobImpl {
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public:
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NS_INLINE_DECL_REFCOUNTING_INHERITED(FileBlobImpl, BaseBlobImpl)
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// Create as a file
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explicit FileBlobImpl(nsIFile* aFile);
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// Create as a file
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FileBlobImpl(const nsAString& aName, const nsAString& aContentType,
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uint64_t aLength, nsIFile* aFile);
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FileBlobImpl(const nsAString& aName, const nsAString& aContentType,
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uint64_t aLength, nsIFile* aFile, int64_t aLastModificationDate);
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// Create as a file with custom name
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FileBlobImpl(
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nsIFile* aFile, const nsAString& aName, const nsAString& aContentType,
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const nsAString& aBlobImplType = NS_LITERAL_STRING("FileBlobImpl"));
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// Overrides
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virtual uint64_t GetSize(ErrorResult& aRv) override;
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virtual void GetType(nsAString& aType) override;
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virtual int64_t GetLastModified(ErrorResult& aRv) override;
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virtual void GetMozFullPathInternal(nsAString& aFullPath,
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ErrorResult& aRv) override;
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virtual void CreateInputStream(nsIInputStream** aInputStream,
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ErrorResult& aRv) override;
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virtual bool IsDirectory() const override;
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// We always have size and date for this kind of blob.
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virtual bool IsSizeUnknown() const override { return false; }
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virtual bool IsDateUnknown() const override { return false; }
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void SetName(const nsAString& aName) { mName = aName; }
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void SetType(const nsAString& aType) { mContentType = aType; }
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int64_t GetFileId() override { return mFileId; }
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void SetFileId(int64_t aFileId) { mFileId = aFileId; }
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void SetEmptySize() { mLength = 0; }
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void SetMozFullPath(const nsAString& aPath) { mMozFullPath = aPath; }
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protected:
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virtual ~FileBlobImpl() = default;
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// Create slice
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FileBlobImpl(const FileBlobImpl* aOther, uint64_t aStart, uint64_t aLength,
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const nsAString& aContentType);
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virtual already_AddRefed<BlobImpl> CreateSlice(uint64_t aStart,
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uint64_t aLength,
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const nsAString& aContentType,
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ErrorResult& aRv) override;
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nsCOMPtr<nsIFile> mFile;
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nsString mMozFullPath;
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int64_t mFileId;
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bool mWholeFile;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_FileBlobImpl_h
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