1 files changed, 70 insertions, 0 deletions
diff --git a/dom/worklet/Worklet.h b/dom/worklet/Worklet.h
new file mode 100644
index 000000000..228d2a5ae
--- /dev/null
+++ b/dom/worklet/Worklet.h
@@ -0,0 +1,70 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_Worklet_h
+#define mozilla_dom_Worklet_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/ErrorResult.h"
+#include "nsRefPtrHashtable.h"
+#include "nsWrapperCache.h"
+#include "nsCOMPtr.h"
+
+class nsPIDOMWindowInner;
+class nsIPrincipal;
+
+namespace mozilla {
+namespace dom {
+
+class Promise;
+class WorkletGlobalScope;
+class WorkletFetchHandler;
+
+class Worklet final : public nsISupports
+                    , public nsWrapperCache
+{
+public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Worklet)
+
+  Worklet(nsPIDOMWindowInner* aWindow, nsIPrincipal* aPrincipal);
+
+  nsPIDOMWindowInner* GetParentObject() const
+  {
+    return mWindow;
+  }
+
+  virtual JSObject*
+  WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  already_AddRefed<Promise>
+  Import(const nsAString& aModuleURL, ErrorResult& aRv);
+
+  WorkletGlobalScope*
+  GetOrCreateGlobalScope(JSContext* aCx);
+
+private:
+  ~Worklet();
+
+  WorkletFetchHandler*
+  GetImportFetchHandler(const nsACString& aURI);
+
+  void
+  AddImportFetchHandler(const nsACString& aURI, WorkletFetchHandler* aHandler);
+
+  nsCOMPtr<nsPIDOMWindowInner> mWindow;
+  nsCOMPtr<nsIPrincipal> mPrincipal;
+
+  RefPtr<WorkletGlobalScope> mScope;
+  nsRefPtrHashtable<nsCStringHashKey, WorkletFetchHandler> mImportHandlers;
+
+  friend class WorkletFetchHandler;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_Worklet_h