1 files changed, 75 insertions, 0 deletions
diff --git a/dom/locks/LockManager.h b/dom/locks/LockManager.h
new file mode 100644
index 0000000000..19313ef6b8
--- /dev/null
+++ b/dom/locks/LockManager.h
@@ -0,0 +1,75 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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_LockManager_h
+#define mozilla_dom_LockManager_h
+
+#include "js/TypeDecls.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/ErrorResult.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/Lock.h"
+#include "mozilla/dom/LockManagerBinding.h"
+#include "mozilla/dom/WorkerRef.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsHashKeys.h"
+#include "nsTHashMap.h"
+#include "nsTHashSet.h"
+#include "nsWrapperCache.h"
+
+class nsIGlobalObject;
+
+namespace mozilla::dom {
+
+class LockGrantedCallback;
+struct LockOptions;
+
+namespace locks {
+class LockManagerChild;
+}
+
+class LockManager final : public nsISupports, public nsWrapperCache {
+ public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(LockManager)
+
+ private:
+  explicit LockManager(nsIGlobalObject* aGlobal);
+
+ public:
+  static already_AddRefed<LockManager> Create(nsIGlobalObject& aGlobal);
+
+  nsIGlobalObject* GetParentObject() const { return mOwner; }
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  already_AddRefed<Promise> Request(const nsAString& aName,
+                                    LockGrantedCallback& aCallback,
+                                    ErrorResult& aRv);
+  already_AddRefed<Promise> Request(const nsAString& aName,
+                                    const LockOptions& aOptions,
+                                    LockGrantedCallback& aCallback,
+                                    ErrorResult& aRv);
+
+  already_AddRefed<Promise> Query(ErrorResult& aRv);
+
+  void Shutdown();
+
+ private:
+  ~LockManager() = default;
+
+  nsCOMPtr<nsIGlobalObject> mOwner;
+  RefPtr<locks::LockManagerChild> mActor;
+
+  // Revokes itself and triggers LockManagerChild deletion on worker shutdown
+  // callback.
+  RefPtr<WeakWorkerRef> mWorkerRef;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_LockManager_h