layout/style/PaintWorkletGlobalScope.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 "PaintWorkletGlobalScope.h"
   8
   9 #include "mozilla/dom/WorkletPrincipals.h"
  10 #include "mozilla/dom/PaintWorkletGlobalScopeBinding.h"
  11 #include "mozilla/dom/FunctionBinding.h"
  12 #include "PaintWorkletImpl.h"
  13
  14 namespace mozilla {
  15 namespace dom {
  16
  17 PaintWorkletGlobalScope::PaintWorkletGlobalScope(PaintWorkletImpl* aImpl)
  18     : WorkletGlobalScope(aImpl->GetAgentClusterId(),
  19                          aImpl->IsSharedMemoryAllowed()),
  20       mImpl(aImpl) {}
  21
  22 bool PaintWorkletGlobalScope::WrapGlobalObject(
  23     JSContext* aCx, JS::MutableHandle<JSObject*> aReflector) {
  24   JS::RealmOptions options;
  25
  26   // The SharedArrayBuffer global constructor property should not be present in
  27   // a fresh global object when shared memory objects aren't allowed (because
  28   // COOP/COEP support isn't enabled, or because COOP/COEP don't act to isolate
  29   // this worker to a separate process).
  30   options.creationOptions().setDefineSharedArrayBufferConstructor(
  31       IsSharedMemoryAllowed());
  32
  33   JS::AutoHoldPrincipals principals(aCx, new WorkletPrincipals(mImpl));
  34   return PaintWorkletGlobalScope_Binding::Wrap(
  35       aCx, this, this, options, principals.get(), true, aReflector);
  36 }
  37
  38 void PaintWorkletGlobalScope::RegisterPaint(const nsAString& aType,
  39                                             VoidFunction& aProcessorCtor) {
  40   // Nothing to do here, yet.
  41 }
  42
  43 WorkletImpl* PaintWorkletGlobalScope::Impl() const { return mImpl; }
  44
  45 }  // namespace dom
  46 }  // namespace mozilla