dom/file/StringBlobImpl.h
author Phil Ringnalda <philringnalda@gmail.com>
Tue, 31 Oct 2017 22:44:44 -0700
changeset 440421 0d54ccb489cb5083a6e20c83343482538332bd45
parent 434751 ac5df5199418a1e0443abaa26d25cbd87515ea46
child 477084 4a137fd2fcaf910648a4eb61cf9b446be336f76b
permissions -rw-r--r--
Bug 1400280 - Mark OS X tests on nightlies and devedition builds as tier-1, r=kmoir MozReview-Commit-ID: 9pgbbBCZxFq

/* -*- 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_StringBlobImpl_h
#define mozilla_dom_StringBlobImpl_h

#include "BaseBlobImpl.h"
#include "nsIMemoryReporter.h"

namespace mozilla {
namespace dom {

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

public:
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_NSIMEMORYREPORTER

  static already_AddRefed<StringBlobImpl>
  Create(const nsACString& aData, const nsAString& aContentType);

  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;

  size_t GetAllocationSize() const override
  {
    return mData.Length();
  }

private:
  StringBlobImpl(const nsACString& aData, const nsAString& aContentType);

  ~StringBlobImpl();

  nsCString mData;
};

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_StringBlobImpl_h