1 files changed, 34 insertions, 0 deletions
diff --git a/dom/media/webaudio/AudioParamMap.h b/dom/media/webaudio/AudioParamMap.h
new file mode 100644
index 0000000000..c7bb0bdbea
--- /dev/null
+++ b/dom/media/webaudio/AudioParamMap.h
@@ -0,0 +1,34 @@
+/* -*- 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 https://mozilla.org/MPL/2.0/. */
+
+#ifndef AudioParamMap_h_
+#define AudioParamMap_h_
+
+#include "nsWrapperCache.h"
+#include "AudioWorkletNode.h"
+
+namespace mozilla::dom {
+
+class AudioParamMap final : public nsWrapperCache {
+ public:
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(AudioParamMap)
+  NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(AudioParamMap)
+
+  explicit AudioParamMap(AudioWorkletNode* aParent);
+
+  AudioWorkletNode* GetParentObject() const { return mParent; }
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+ private:
+  ~AudioParamMap() = default;
+  RefPtr<AudioWorkletNode> mParent;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // AudioParamMap_h_