1 files changed, 60 insertions, 0 deletions
diff --git a/dom/media/webaudio/ConstantSourceNode.h b/dom/media/webaudio/ConstantSourceNode.h
new file mode 100644
index 0000000000..61f939a7e6
--- /dev/null
+++ b/dom/media/webaudio/ConstantSourceNode.h
@@ -0,0 +1,60 @@
+/* -*- 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 ConstantSourceNode_h_
+#define ConstantSourceNode_h_
+
+#include "AudioScheduledSourceNode.h"
+#include "AudioParam.h"
+#include "mozilla/dom/ConstantSourceNodeBinding.h"
+
+namespace mozilla::dom {
+
+class AudioContext;
+
+class ConstantSourceNode final : public AudioScheduledSourceNode,
+                                 public MainThreadMediaTrackListener {
+ public:
+  explicit ConstantSourceNode(AudioContext* aContext);
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ConstantSourceNode,
+                                           AudioScheduledSourceNode)
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  static already_AddRefed<ConstantSourceNode> Constructor(
+      const GlobalObject& aGlobal, AudioContext& aContext,
+      const ConstantSourceOptions& aOptions);
+
+  void DestroyMediaTrack() override;
+
+  uint16_t NumberOfInputs() const final { return 0; }
+
+  AudioParam* Offset() const { return mOffset; }
+
+  void Start(double aWhen, ErrorResult& rv) override;
+  void Stop(double aWhen, ErrorResult& rv) override;
+
+  void NotifyMainThreadTrackEnded() override;
+
+  const char* NodeType() const override { return "ConstantSourceNode"; }
+
+  size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
+  size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
+
+ protected:
+  virtual ~ConstantSourceNode();
+
+ private:
+  RefPtr<AudioParam> mOffset;
+  bool mStartCalled;
+};
+
+}  // namespace mozilla::dom
+
+#endif