StreamBlobImpl.h - mozsearch

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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_StreamBlobImpl_h

#define mozilla_dom_StreamBlobImpl_h

#include "BaseBlobImpl.h"

#include "nsCOMPtr.h"

#include "nsIMemoryReporter.h"

#include "nsICloneableInputStream.h"

namespace mozilla::dom {

class StreamBlobImpl final : public BaseBlobImpl, public nsIMemoryReporter {

  MOZ_DEFINE_MALLOC_SIZE_OF(MallocSizeOf)

 public:

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_NSIMEMORYREPORTER

  // Blob constructor.

  static already_AddRefed<StreamBlobImpl> Create(

      already_AddRefed<nsIInputStream> aInputStream,

      const nsAString& aContentType, uint64_t aLength,

      const nsAString& aBlobImplType);

  // File constructor.

  static already_AddRefed<StreamBlobImpl> Create(

      already_AddRefed<nsIInputStream> aInputStream, const nsAString& aName,

      const nsAString& aContentType, int64_t aLastModifiedDate,

      uint64_t aLength, const nsAString& aBlobImplType);

  void CreateInputStream(nsIInputStream** aStream,

                         ErrorResult& aRv) const override;

  already_AddRefed<BlobImpl> CreateSlice(uint64_t aStart, uint64_t aLength,

                                         const nsAString& aContentType,

                                         ErrorResult& aRv) const override;

  bool IsMemoryFile() const override { return true; }

  int64_t GetFileId() const override { return mFileId; }

  void SetFileId(int64_t aFileId) { mFileId = aFileId; }

  void SetFullPath(const nsAString& aFullPath) { mFullPath = aFullPath; }

  void GetMozFullPathInternal(nsAString& aFullPath, ErrorResult& aRv) override {

    aFullPath = mFullPath;

  void SetIsDirectory(bool aIsDirectory) { mIsDirectory = aIsDirectory; }

  bool IsDirectory() const override { return mIsDirectory; }

  size_t GetAllocationSize() const override;

  size_t GetAllocationSize(

      FallibleTArray<BlobImpl*>& aVisitedBlobImpls) const override {

    return GetAllocationSize();

  void GetBlobImplType(nsAString& aBlobImplType) const override;

 private:

  // Blob constructor.

  StreamBlobImpl(already_AddRefed<nsICloneableInputStream> aInputStream,

                 const nsAString& aContentType, uint64_t aLength,

                 const nsAString& aBlobImplType);

  // File constructor.

  StreamBlobImpl(already_AddRefed<nsICloneableInputStream> aInputStream,

                 const nsAString& aName, const nsAString& aContentType,

                 int64_t aLastModifiedDate, uint64_t aLength,

                 const nsAString& aBlobImplType);

  ~StreamBlobImpl() override;

  void MaybeRegisterMemoryReporter();

  nsCOMPtr<nsICloneableInputStream> mInputStream;

  nsString mBlobImplType;

  nsString mFullPath;

  bool mIsDirectory;

  int64_t mFileId;

};

}  // namespace mozilla::dom

#endif  // mozilla_dom_StreamBlobImpl_h