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Mercurial (1aeaa33a64f9)

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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 "nsIMemoryReporter.h"

namespace mozilla {
namespace dom {

class StreamBlobImpl final : public BaseBlobImpl, public nsIMemoryReporter {
  MOZ_DEFINE_MALLOC_SIZE_OF(MallocSizeOf)

 public:
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_NSIMEMORYREPORTER

  static already_AddRefed<StreamBlobImpl> Create(nsIInputStream* aInputStream,
                                                 const nsAString& aContentType,
                                                 uint64_t aLength);

  static already_AddRefed<StreamBlobImpl> Create(nsIInputStream* aInputStream,
                                                 const nsAString& aName,
                                                 const nsAString& aContentType,
                                                 int64_t aLastModifiedDate,
                                                 uint64_t aLength);

  virtual void CreateInputStream(nsIInputStream** aStream,
                                 ErrorResult& aRv) override;

  virtual already_AddRefed<BlobImpl> CreateSlice(uint64_t aStart,
                                                 uint64_t aLength,
                                                 const nsAString& aContentType,
                                                 ErrorResult& aRv) override;

  virtual bool IsMemoryFile() const override { return true; }

  int64_t GetFileId() override { return mFileId; }

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

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

  void GetMozFullPathInternal(nsAString& aFullPath,
                              ErrorResult& aRv) const override {
    aFullPath = mFullPath;
  }

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

  bool IsDirectory() const override { return mIsDirectory; }

  size_t GetAllocationSize() const override;

 private:
  StreamBlobImpl(nsIInputStream* aInputStream, const nsAString& aContentType,
                 uint64_t aLength);

  StreamBlobImpl(nsIInputStream* aInputStream, const nsAString& aName,
                 const nsAString& aContentType, int64_t aLastModifiedDate,
                 uint64_t aLength);

  ~StreamBlobImpl();

  void MaybeRegisterMemoryReporter();

  nsCOMPtr<nsIInputStream> mInputStream;

  nsString mFullPath;
  bool mIsDirectory;
  int64_t mFileId;
};

}  // namespace dom
}  // namespace mozilla

#endif  // mozilla_dom_StreamBlobImpl_h