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diff --git a/dom/media/webaudio/OscillatorNode.h b/dom/media/webaudio/OscillatorNode.h
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+/* -*- 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 OscillatorNode_h_
+#define OscillatorNode_h_
+
+#include "AudioNode.h"
+#include "AudioParam.h"
+#include "PeriodicWave.h"
+#include "mozilla/dom/OscillatorNodeBinding.h"
+
+namespace mozilla {
+namespace dom {
+
+class AudioContext;
+
+class OscillatorNode final : public AudioNode,
+ public MainThreadMediaStreamListener
+{
+public:
+ explicit OscillatorNode(AudioContext* aContext);
+
+ NS_DECL_ISUPPORTS_INHERITED
+ NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(OscillatorNode, AudioNode)
+
+ JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+ void DestroyMediaStream() override;
+
+ uint16_t NumberOfInputs() const final override
+ {
+ return 0;
+ }
+
+ OscillatorType Type() const
+ {
+ return mType;
+ }
+ void SetType(OscillatorType aType, ErrorResult& aRv)
+ {
+ if (aType == OscillatorType::Custom) {
+ // ::Custom can only be set by setPeriodicWave().
+ // https://github.com/WebAudio/web-audio-api/issues/105 for exception.
+ aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
+ return;
+ }
+ mType = aType;
+ SendTypeToStream();
+ }
+
+ AudioParam* Frequency() const
+ {
+ return mFrequency;
+ }
+ AudioParam* Detune() const
+ {
+ return mDetune;
+ }
+
+ void Start(double aWhen, ErrorResult& aRv);
+ void Stop(double aWhen, ErrorResult& aRv);
+ void SetPeriodicWave(PeriodicWave& aPeriodicWave)
+ {
+ mPeriodicWave = &aPeriodicWave;
+ // SendTypeToStream will call SendPeriodicWaveToStream for us.
+ mType = OscillatorType::Custom;
+ SendTypeToStream();
+ }
+
+ IMPL_EVENT_HANDLER(ended)
+
+ void NotifyMainThreadStreamFinished() override;
+
+ const char* NodeType() const override
+ {
+ return "OscillatorNode";
+ }
+
+ size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
+ size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
+
+protected:
+ virtual ~OscillatorNode();
+
+private:
+ void SendTypeToStream();
+ void SendPeriodicWaveToStream();
+
+private:
+ OscillatorType mType;
+ RefPtr<PeriodicWave> mPeriodicWave;
+ RefPtr<AudioParam> mFrequency;
+ RefPtr<AudioParam> mDetune;
+ bool mStartCalled;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif
+