1 files changed, 47 insertions, 0 deletions
diff --git a/layout/style/PaintWorkletGlobalScope.cpp b/layout/style/PaintWorkletGlobalScope.cpp
new file mode 100644
index 0000000000..4733cb2b47
--- /dev/null
+++ b/layout/style/PaintWorkletGlobalScope.cpp
@@ -0,0 +1,47 @@
+/* -*- 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/. */
+
+#include "PaintWorkletGlobalScope.h"
+
+#include "mozilla/dom/PaintWorkletGlobalScopeBinding.h"
+#include "mozilla/dom/FunctionBinding.h"
+#include "PaintWorkletImpl.h"
+
+namespace mozilla::dom {
+
+PaintWorkletGlobalScope::PaintWorkletGlobalScope(PaintWorkletImpl* aImpl)
+    : WorkletGlobalScope(aImpl) {}
+
+PaintWorkletImpl* PaintWorkletGlobalScope::Impl() const {
+  return static_cast<PaintWorkletImpl*>(mImpl.get());
+}
+
+bool PaintWorkletGlobalScope::WrapGlobalObject(
+    JSContext* aCx, JS::MutableHandle<JSObject*> aReflector) {
+  JS::RealmOptions options;
+
+  // TODO(bug 1834744)
+  options.behaviors().setShouldResistFingerprinting(
+      ShouldResistFingerprinting(RFPTarget::IsAlwaysEnabledForPrecompute));
+
+  // The SharedArrayBuffer global constructor property should not be present in
+  // a fresh global object when shared memory objects aren't allowed (because
+  // COOP/COEP support isn't enabled, or because COOP/COEP don't act to isolate
+  // this worker to a separate process).
+  options.creationOptions().setDefineSharedArrayBufferConstructor(
+      IsSharedMemoryAllowed());
+
+  return PaintWorkletGlobalScope_Binding::Wrap(
+      aCx, this, this, options, nsJSPrincipals::get(mImpl->Principal()), true,
+      aReflector);
+}
+
+void PaintWorkletGlobalScope::RegisterPaint(const nsAString& aType,
+                                            VoidFunction& aProcessorCtor) {
+  // Nothing to do here, yet.
+}
+
+}  // namespace mozilla::dom