GainNode.h - mozsearch

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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 GainNode_h_

#define GainNode_h_

#include "AudioNode.h"

#include "AudioParam.h"

namespace mozilla::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 mozilla::dom

#endif