caps/nsNullPrincipalURI.h
author Sylvestre Ledru <sledru@mozilla.com>
Fri, 24 Feb 2017 17:04:50 +0100
changeset 489671 05d9746016f47666c00390aacc9f9d62c8ffffb4
parent 489668 cbb8fdf1daf98a15f7d57f6b08d273bdf96aa1a0
permissions -rw-r--r--
Move to 99 chars instead of 80 MozReview-Commit-ID: 6NxbMuFVI7e

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: sw=2 ts=2 sts=2 expandtab
 * 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/. */

/**
 * This wraps nsSimpleURI so that all calls to it are done on the main thread.
 */

#ifndef __nsNullPrincipalURI_h__
#define __nsNullPrincipalURI_h__

#include "nsIURI.h"
#include "nsISizeOf.h"
#include "nsString.h"
#include "mozilla/Attributes.h"
#include "nsIIPCSerializableURI.h"
#include "mozilla/MemoryReporting.h"
#include "nsNullPrincipal.h"
#include "nsID.h"

// {51fcd543-3b52-41f7-b91b-6b54102236e6}
#define NS_NULLPRINCIPALURI_IMPLEMENTATION_CID                                                    \
  {                                                                                               \
    0x51fcd543, 0x3b52, 0x41f7, { 0xb9, 0x1b, 0x6b, 0x54, 0x10, 0x22, 0x36, 0xe6 }                \
  }

class nsNullPrincipalURI final : public nsIURI, public nsISizeOf, public nsIIPCSerializableURI
{
public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_NSIURI
  NS_DECL_NSIIPCSERIALIZABLEURI

  // nsISizeOf
  virtual size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const override;
  virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const override;

  // NB: This constructor exists only for deserialization.  Everyone
  // else should call Create.
  nsNullPrincipalURI();

  // Returns null on failure.
  static already_AddRefed<nsNullPrincipalURI> Create();

private:
  nsNullPrincipalURI(const nsNullPrincipalURI& aOther);

  ~nsNullPrincipalURI() {}

  nsresult Init();

  char mPathBytes[NSID_LENGTH];
  nsFixedCString mPath;
};

#endif // __nsNullPrincipalURI_h__