/* -*- 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