1 files changed, 63 insertions, 0 deletions
diff --git a/dom/midi/MIDIInput.cpp b/dom/midi/MIDIInput.cpp
new file mode 100644
index 0000000000..5947f08f41
--- /dev/null
+++ b/dom/midi/MIDIInput.cpp
@@ -0,0 +1,63 @@
+/* -*- 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 "mozilla/dom/MIDIInput.h"
+#include "mozilla/dom/Document.h"
+#include "mozilla/dom/MIDIPortChild.h"
+#include "mozilla/dom/MIDIInputBinding.h"
+#include "mozilla/dom/MIDIMessageEvent.h"
+#include "mozilla/dom/MIDIMessageEventBinding.h"
+#include "nsDOMNavigationTiming.h"
+
+namespace mozilla::dom {
+
+MIDIInput::MIDIInput(nsPIDOMWindowInner* aWindow, MIDIAccess* aMIDIAccessParent)
+    : MIDIPort(aWindow, aMIDIAccessParent) {}
+
+// static
+MIDIInput* MIDIInput::Create(nsPIDOMWindowInner* aWindow,
+                             MIDIAccess* aMIDIAccessParent,
+                             const MIDIPortInfo& aPortInfo,
+                             const bool aSysexEnabled) {
+  MOZ_ASSERT(static_cast<MIDIPortType>(aPortInfo.type()) ==
+             MIDIPortType::Input);
+  auto port = new MIDIInput(aWindow, aMIDIAccessParent);
+  if (!port->Initialize(aPortInfo, aSysexEnabled)) {
+    return nullptr;
+  }
+  return port;
+}
+
+JSObject* MIDIInput::WrapObject(JSContext* aCx,
+                                JS::Handle<JSObject*> aGivenProto) {
+  return MIDIInput_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+void MIDIInput::Receive(const nsTArray<MIDIMessage>& aMsgs) {
+  nsCOMPtr<Document> doc = GetOwner() ? GetOwner()->GetDoc() : nullptr;
+  if (!doc) {
+    NS_WARNING("No document available to send MIDIMessageEvent to!");
+    return;
+  }
+  for (auto& msg : aMsgs) {
+    RefPtr<MIDIMessageEvent> event(
+        MIDIMessageEvent::Constructor(this, msg.timestamp(), msg.data()));
+    DispatchTrustedEvent(event);
+  }
+}
+
+EventHandlerNonNull* MIDIInput::GetOnmidimessage() {
+  return GetEventHandler(nsGkAtoms::onmidimessage);
+}
+
+void MIDIInput::SetOnmidimessage(EventHandlerNonNull* aCallback) {
+  SetEventHandler(nsGkAtoms::onmidimessage, aCallback);
+  if (mPort->ConnectionState() != MIDIPortConnectionState::Open) {
+    mPort->SendOpen();
+  }
+}
+
+}  // namespace mozilla::dom