AudioWorkletProcessor.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* 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 https://mozilla.org/MPL/2.0/. */

#include "AudioWorkletProcessor.h"

#include "mozilla/dom/AudioWorkletNodeBinding.h"

#include "mozilla/dom/AudioWorkletProcessorBinding.h"

#include "mozilla/dom/AudioWorkletGlobalScope.h"

#include "mozilla/dom/MessagePort.h"

#include "mozilla/dom/WorkletGlobalScope.h"

#include "nsIGlobalObject.h"

namespace mozilla::dom {

NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(AudioWorkletProcessor, mParent, mPort)

AudioWorkletProcessor::AudioWorkletProcessor(nsIGlobalObject* aParent,

                                             MessagePort* aPort)

    : mParent(aParent), mPort(aPort) {}

AudioWorkletProcessor::~AudioWorkletProcessor() = default;

/* static */

already_AddRefed<AudioWorkletProcessor> AudioWorkletProcessor::Constructor(

    const GlobalObject& aGlobal, ErrorResult& aRv) {

  nsCOMPtr<WorkletGlobalScope> global =

      do_QueryInterface(aGlobal.GetAsSupports());

  MOZ_ASSERT(global);

  RefPtr<MessagePort> port = static_cast<AudioWorkletGlobalScope*>(global.get())

                                 ->TakePortForProcessorCtor();

  if (!port) {

    aRv.ThrowTypeError<MSG_ILLEGAL_CONSTRUCTOR>();

    return nullptr;

  RefPtr<AudioWorkletProcessor> audioWorkletProcessor =

      new AudioWorkletProcessor(global, port);

  return audioWorkletProcessor.forget();

JSObject* AudioWorkletProcessor::WrapObject(JSContext* aCx,

                                            JS::Handle<JSObject*> aGivenProto) {

  return AudioWorkletProcessor_Binding::Wrap(aCx, this, aGivenProto);

}  // namespace mozilla::dom