/* -*- 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 GainNode_h_

#define GainNode_h_

#include "AudioNode.h"

#include "AudioParam.h"

namespace mozilla {

namespace dom {

class AudioContext;

struct GainOptions;

class GainNode final : public AudioNode

{

public:

  static already_AddRefed<GainNode>

  Create(AudioContext& aAudioContext, const GainOptions& aOptions,

         ErrorResult& aRv);

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(GainNode, AudioNode)

  static already_AddRefed<GainNode>

  Constructor(const GlobalObject& aGlobal, AudioContext& aAudioContext,

              const GainOptions& aOptions, ErrorResult& aRv)

  {

    return Create(aAudioContext, aOptions, aRv);

  }

  JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;

  AudioParam* Gain() const

  {

    return mGain;

  }

  const char* NodeType() const override

  {

    return "GainNode";

  }

  size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;

  size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;

private:

  explicit GainNode(AudioContext* aContext);

  ~GainNode() = default;

  RefPtr<AudioParam> mGain;

};

} // namespace dom

} // namespace mozilla

#endif