1 files changed, 88 insertions, 0 deletions
diff --git a/dom/media/webaudio/AudioWorkletImpl.cpp b/dom/media/webaudio/AudioWorkletImpl.cpp
new file mode 100644
index 0000000000..5eaa128c8a
--- /dev/null
+++ b/dom/media/webaudio/AudioWorkletImpl.cpp
@@ -0,0 +1,88 @@
+/* -*- 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 "GeckoProfiler.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;
+}
+
+void AudioWorkletImpl::OnAddModuleStarted() const {
+#ifdef MOZ_GECKO_PROFILER
+  profiler_add_marker(ProfilerStringView("AudioWorklet.addModule"),
+                      geckoprofiler::category::MEDIA_RT,
+                      {MarkerTiming::IntervalStart()});
+#endif
+}
+
+void AudioWorkletImpl::OnAddModulePromiseSettled() const {
+#ifdef MOZ_GECKO_PROFILER
+  profiler_add_marker(ProfilerStringView("AudioWorklet.addModule"),
+                      geckoprofiler::category::MEDIA_RT,
+                      {MarkerTiming::IntervalEnd()});
+#endif
+}
+
+already_AddRefed<dom::WorkletGlobalScope>
+AudioWorkletImpl::ConstructGlobalScope() {
+  dom::WorkletThread::AssertIsOnWorkletThread();
+
+  return MakeAndAddRef<dom::AudioWorkletGlobalScope>(this);
+}
+
+}  // namespace mozilla