Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 36 insertions, 0 deletions

diff --git a/dom/midi/MIDIManagerChild.cpp b/dom/midi/MIDIManagerChild.cpp
new file mode 100644
index 0000000000..258a16bae3
--- /dev/null
+++ b/dom/midi/MIDIManagerChild.cpp
@@ -0,0 +1,36 @@
+/* -*- 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/. */
+
+#include "MIDIManagerChild.h"
+#include "mozilla/dom/MIDIAccessManager.h"
+
+using namespace mozilla::dom;
+
+MIDIManagerChild::MIDIManagerChild() : mShutdown(false) {}
+
+mozilla::ipc::IPCResult MIDIManagerChild::RecvMIDIPortListUpdate(
+    const MIDIPortList& aPortList) {
+  MOZ_ASSERT(NS_IsMainThread());
+  if (mShutdown) {
+    return IPC_OK();
+  }
+  MOZ_ASSERT(MIDIAccessManager::IsRunning());
+  MIDIAccessManager::Get()->Update(aPortList);
+  return IPC_OK();
+}
+
+void MIDIManagerChild::SetActorAlive() {
+  // IPC Channels for MIDIManagers are created and managed by MIDIAccessManager,
+  // so once the actor is created, we'll need to add a reference to keep it
+  // alive until BackgroundChildImpl kills it.
+  AddRef();
+}
+
+void MIDIManagerChild::Shutdown() {
+  MOZ_ASSERT(!mShutdown);
+  mShutdown = true;
+  SendShutdown();
+}