1 files changed, 54 insertions, 0 deletions
diff --git a/dom/base/IdleDeadline.h b/dom/base/IdleDeadline.h
new file mode 100644
index 0000000000..2ce06e489d
--- /dev/null
+++ b/dom/base/IdleDeadline.h
@@ -0,0 +1,54 @@
+/* -*- 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_IdleDeadline_h
+#define mozilla_dom_IdleDeadline_h
+
+#include "js/TypeDecls.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/Maybe.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "nsCOMPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsDOMNavigationTiming.h"
+#include "nsWrapperCache.h"
+
+class nsIGlobalObject;
+class nsPIDOMWindowInner;
+
+namespace mozilla::dom {
+
+class IdleDeadline final : public nsISupports, public nsWrapperCache {
+ public:
+  IdleDeadline(nsPIDOMWindowInner* aWindow, bool aDidTimeout,
+               DOMHighResTimeStamp aDeadline);
+
+  IdleDeadline(nsIGlobalObject* aGlobal, bool aDidTimeout,
+               DOMHighResTimeStamp aDeadline);
+
+  nsIGlobalObject* GetParentObject() const { return mGlobal; }
+
+  virtual JSObject* WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) override;
+
+  DOMHighResTimeStamp TimeRemaining();
+  bool DidTimeout() const;
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(IdleDeadline)
+
+ private:
+  ~IdleDeadline();
+
+  nsCOMPtr<nsPIDOMWindowInner> mWindow;
+  nsCOMPtr<nsIGlobalObject> mGlobal;
+  const bool mDidTimeout;
+  const DOMHighResTimeStamp mDeadline;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_IdleDeadline_h