gecko-dev/dom/file/FileBlobImpl.h

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