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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 ConstantSourceNode_h_
#define ConstantSourceNode_h_

#include "AudioNode.h"
#include "AudioParam.h"
#include "mozilla/dom/ConstantSourceNodeBinding.h"

namespace mozilla {
namespace dom {

class AudioContext;

class ConstantSourceNode final : public AudioNode,
                                 public MainThreadMediaStreamListener
{
public:
  explicit ConstantSourceNode(AudioContext* aContext);

  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ConstantSourceNode, AudioNode)

  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 override
  {
    return 0;
  }

  AudioParam* Offset() const
  {
    return mOffset;
  }

  void Start(double aWhen, ErrorResult& rv);
  void Stop(double aWhen, ErrorResult& rv);

  IMPL_EVENT_HANDLER(ended)

  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