/* -*- 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 {

namespace dom {

class AudioContext;

class ConstantSourceNode final : public AudioScheduledSourceNode

                               , public MainThreadMediaStreamListener

{

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,

              ErrorResult& aRv);

  void DestroyMediaStream() 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 NotifyMainThreadStreamFinished() 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 dom

} // namespace mozilla

#endif