layout/style/URLExtraData.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 /* thread-safe container of information for resolving url values */
   8
   9 #include "mozilla/URLExtraData.h"
  10
  11 #include "mozilla/NullPrincipalURI.h"
  12 #include "nsProxyRelease.h"
  13 #include "ReferrerInfo.h"
  14
  15 namespace mozilla {
  16
  17 StaticRefPtr<URLExtraData> URLExtraData::sDummy;
  18 StaticRefPtr<URLExtraData> URLExtraData::sDummyChrome;
  19
  20 /* static */
  21 void URLExtraData::Init() {
  22   RefPtr<nsIURI> baseURI = new NullPrincipalURI();
  23   nsCOMPtr<nsIReferrerInfo> referrerInfo = new dom::ReferrerInfo(nullptr);
  24   sDummy = new URLExtraData(do_AddRef(baseURI), do_AddRef(referrerInfo),
  25                             NullPrincipal::CreateWithoutOriginAttributes());
  26
  27   sDummyChrome =
  28       new URLExtraData(baseURI.forget(), referrerInfo.forget(),
  29                        NullPrincipal::CreateWithoutOriginAttributes());
  30   sDummyChrome->mChromeRulesEnabled = true;
  31 }
  32
  33 /* static */
  34 void URLExtraData::Shutdown() {
  35   sDummy = nullptr;
  36   sDummyChrome = nullptr;
  37 }
  38
  39 URLExtraData::~URLExtraData() {
  40   if (!NS_IsMainThread()) {
  41     NS_ReleaseOnMainThread("URLExtraData::mPrincipal", mPrincipal.forget());
  42   }
  43 }
  44
  45 StaticRefPtr<URLExtraData>
  46     URLExtraData::sShared[size_t(UserAgentStyleSheetID::Count)];
  47
  48 }  // namespace mozilla