dom/worklet/WorkletPrincipals.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 #include "WorkletPrincipals.h"
   8
   9 #include "mozilla/dom/WorkletImpl.h"
  10 #include "nsJSPrincipals.h"
  11
  12 namespace mozilla {
  13 namespace dom {
  14
  15 WorkletPrincipals::WorkletPrincipals(WorkletImpl* aWorkletImpl)
  16     : JSPrincipals(), mWorkletImpl(aWorkletImpl) {
  17   setDebugToken(kJSPrincipalsDebugToken);
  18 }
  19
  20 WorkletPrincipals::~WorkletPrincipals() = default;
  21
  22 bool WorkletPrincipals::write(JSContext* aCx,
  23                               JSStructuredCloneWriter* aWriter) {
  24   // This is a serialization of the NullPrincipal corresponding to the worklet
  25   // environment settings object for the WorkletGlobalScope.
  26   // https://drafts.css-houdini.org/worklets/#set-up-a-worklet-environment-settings-object
  27   return nsJSPrincipals::WritePrincipalInfo(aWriter,
  28                                             mWorkletImpl->PrincipalInfo());
  29 }
  30
  31 bool WorkletPrincipals::isSystemOrAddonPrincipal() {
  32   // Per Bug 1578623 rev a83797ed249c - Worklets are always NullPrincipal
  33   return false;
  34 }
  35
  36 void WorkletPrincipals::Destroy(JSPrincipals* aPrincipals) {
  37   delete static_cast<WorkletPrincipals*>(aPrincipals);
  38 }
  39
  40 }  // namespace dom
  41 }  // namespace mozilla