/* -*- 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 StereoPannerNode_h_

#define StereoPannerNode_h_

#include "AudioNode.h"

#include "mozilla/dom/StereoPannerNodeBinding.h"

namespace mozilla {

namespace dom {

class AudioContext;

struct StereoPannerOptions;

class StereoPannerNode final : public AudioNode

{

public:

  static already_AddRefed<StereoPannerNode>

  Create(AudioContext& aAudioContext, const StereoPannerOptions& aOptions,

         ErrorResult& aRv);

  MOZ_DECLARE_REFCOUNTED_TYPENAME(StereoPannerNode)

  static already_AddRefed<StereoPannerNode>

  Constructor(const GlobalObject& aGlobal, AudioContext& aAudioContext,

              const StereoPannerOptions& aOptions, ErrorResult& aRv)

  {

    return Create(aAudioContext, aOptions, aRv);

  }

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

  virtual void SetChannelCount(uint32_t aChannelCount, ErrorResult& aRv) override

  {

    if (aChannelCount > 2) {

      aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);

      return;

    }

    AudioNode::SetChannelCount(aChannelCount, aRv);

  }

  virtual void SetChannelCountModeValue(ChannelCountMode aMode, ErrorResult& aRv) override

  {

    if (aMode == ChannelCountMode::Max) {

      aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);

      return;

    }

    AudioNode::SetChannelCountModeValue(aMode, aRv);

  }

  AudioParam* Pan() const

  {

    return mPan;

  }

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(StereoPannerNode, AudioNode)

  virtual const char* NodeType() const override

  {

    return "StereoPannerNode";

  }

  virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;

  virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;

private:

  explicit StereoPannerNode(AudioContext* aContext);

  ~StereoPannerNode() = default;

  RefPtr<AudioParam> mPan;

};

} // namespace dom

} // namespace mozilla

#endif