AudioWorkletImpl.h

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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/. */

#ifndef AudioWorkletImpl_h

#define AudioWorkletImpl_h

#include "mozilla/dom/WorkletImpl.h"

#include "mozilla/dom/AudioWorkletGlobalScope.h"

namespace mozilla {

class AudioNodeTrack;

namespace dom {

class AudioContext;

class AudioWorkletImpl final : public WorkletImpl {

 public:

  // Methods for parent thread only:

  static already_AddRefed<dom::Worklet> CreateWorklet(

      dom::AudioContext* aContext, ErrorResult& aRv);

  JSObject* WrapWorklet(JSContext* aCx, dom::Worklet* aWorklet,

                        JS::Handle<JSObject*> aGivenProto) override;

  nsresult SendControlMessage(already_AddRefed<nsIRunnable> aRunnable) override;

  nsContentPolicyType ContentPolicyType() const override {

    return nsIContentPolicy::TYPE_INTERNAL_AUDIOWORKLET;

  // Execution thread only.

  dom::AudioWorkletGlobalScope* GetGlobalScope() {

    return static_cast<dom::AudioWorkletGlobalScope*>(

        WorkletImpl::GetGlobalScope());

  // Any thread:

  AudioNodeTrack* DestinationTrack() const { return mDestinationTrack; }

  void OnAddModuleStarted() const override;

  void OnAddModulePromiseSettled() const override;

 protected:

  // Execution thread only.

  already_AddRefed<dom::WorkletGlobalScope> ConstructGlobalScope() override;

 private:

  AudioWorkletImpl(nsPIDOMWindowInner* aWindow, nsIPrincipal* aPrincipal,

                   AudioNodeTrack* aDestinationTrack);

  ~AudioWorkletImpl();

  const RefPtr<AudioNodeTrack> mDestinationTrack;

};

}  // namespace mozilla

#endif  // AudioWorkletImpl_h