/* -*- 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 "AudioScheduledSourceNode.h"
#include "AudioParam.h"
#include "mozilla/dom/ConstantSourceNodeBinding.h"

namespace mozilla {
namespace dom {

class AudioContext;

class ConstantSourceNode final : public AudioScheduledSourceNode,
                                 public MainThreadMediaTrackListener {
 public:
  explicit ConstantSourceNode(AudioContext* aContext);

  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ConstantSourceNode,
                                           AudioScheduledSourceNode)

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

  static already_AddRefed<ConstantSourceNode> Constructor(
      const GlobalObject& aGlobal, AudioContext& aContext,
      const ConstantSourceOptions& aOptions);

  void DestroyMediaTrack() override;

  uint16_t NumberOfInputs() const final { return 0; }

  AudioParam* Offset() const { return mOffset; }

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

  void NotifyMainThreadTrackEnded() 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