1 files changed, 65 insertions, 0 deletions
diff --git a/dom/serviceworkers/NavigationPreloadManager.h b/dom/serviceworkers/NavigationPreloadManager.h
new file mode 100644
index 0000000000..7b4d0ac50b
--- /dev/null
+++ b/dom/serviceworkers/NavigationPreloadManager.h
@@ -0,0 +1,65 @@
+/* -*- 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_NavigationPreloadManager_h
+#define mozilla_dom_NavigationPreloadManager_h
+
+#include "nsCOMPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsISupports.h"
+#include "nsWrapperCache.h"
+#include "mozilla/dom/ServiceWorkerRegistration.h"
+#include "mozilla/RefPtr.h"
+
+class nsIGlobalObject;
+
+namespace mozilla::dom {
+
+class Promise;
+
+class NavigationPreloadManager final : public nsISupports,
+                                       public nsWrapperCache {
+ public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(NavigationPreloadManager)
+
+  static bool IsValidHeader(const nsACString& aHeader);
+
+  static bool IsEnabled(JSContext* aCx, JSObject* aGlobal);
+
+  explicit NavigationPreloadManager(
+      RefPtr<ServiceWorkerRegistration>& aServiceWorkerRegistration);
+
+  // Webidl binding
+  nsIGlobalObject* GetParentObject() const {
+    return mServiceWorkerRegistration->GetParentObject();
+  }
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  // WebIdl implementation
+  already_AddRefed<Promise> Enable(ErrorResult& aError);
+
+  already_AddRefed<Promise> Disable(ErrorResult& aError);
+
+  already_AddRefed<Promise> SetHeaderValue(const nsACString& aHeader,
+                                           ErrorResult& aError);
+
+  already_AddRefed<Promise> GetState(ErrorResult& aError);
+
+ private:
+  ~NavigationPreloadManager() = default;
+
+  // General method for Enable()/Disable()
+  already_AddRefed<Promise> SetEnabled(bool aEnabled, ErrorResult& aError);
+
+  RefPtr<ServiceWorkerRegistration> mServiceWorkerRegistration;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_NavigationPreloadManager_h