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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 "AudioWorkletImpl.h"
#include "AudioContext.h"
#include "AudioNodeTrack.h"
#include "mozilla/dom/AudioWorkletBinding.h"
#include "mozilla/dom/AudioWorkletGlobalScope.h"
#include "mozilla/dom/Worklet.h"
#include "mozilla/dom/WorkletThread.h"
#include "nsGlobalWindowInner.h"
namespace mozilla {
/* static */ already_AddRefed<dom::Worklet> AudioWorkletImpl::CreateWorklet(
dom::AudioContext* aContext, ErrorResult& aRv) {
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsPIDOMWindowInner> window = aContext->GetOwner();
if (NS_WARN_IF(!window)) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsCOMPtr<nsIPrincipal> principal =
nsGlobalWindowInner::Cast(window)->GetPrincipal();
if (NS_WARN_IF(!principal)) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
RefPtr<AudioWorkletImpl> impl =
new AudioWorkletImpl(window, principal, aContext->DestinationTrack());
// The Worklet owns a reference to the AudioContext so as to keep the graph
// thread running as long as the Worklet is alive by keeping the
// AudioDestinationNode alive.
return MakeAndAddRef<dom::Worklet>(window, std::move(impl),
ToSupports(aContext));
}
AudioWorkletImpl::AudioWorkletImpl(nsPIDOMWindowInner* aWindow,
nsIPrincipal* aPrincipal,
AudioNodeTrack* aDestinationTrack)
: WorkletImpl(aWindow, aPrincipal), mDestinationTrack(aDestinationTrack) {}
AudioWorkletImpl::~AudioWorkletImpl() = default;
JSObject* AudioWorkletImpl::WrapWorklet(JSContext* aCx, dom::Worklet* aWorklet,
JS::Handle<JSObject*> aGivenProto) {
MOZ_ASSERT(NS_IsMainThread());
return dom::AudioWorklet_Binding::Wrap(aCx, aWorklet, aGivenProto);
}
nsresult AudioWorkletImpl::SendControlMessage(
already_AddRefed<nsIRunnable> aRunnable) {
mDestinationTrack->SendRunnable(std::move(aRunnable));
return NS_OK;
}
already_AddRefed<dom::WorkletGlobalScope>
AudioWorkletImpl::ConstructGlobalScope() {
dom::WorkletThread::AssertIsOnWorkletThread();
return MakeAndAddRef<dom::AudioWorkletGlobalScope>(this);
}
} // namespace mozilla