Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 106 insertions, 0 deletions

diff --git a/dom/midi/MIDIPortParent.cpp b/dom/midi/MIDIPortParent.cpp
new file mode 100644
index 0000000000..0a01784945
--- /dev/null
+++ b/dom/midi/MIDIPortParent.cpp
@@ -0,0 +1,106 @@
+/* -*- 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/MIDIPortParent.h"
+#include "mozilla/dom/MIDIPlatformService.h"
+#include "nsContentUtils.h"
+
+// C++ file contents
+namespace mozilla::dom {
+
+// Keep an internal ID that we can use for passing information about specific
+// MIDI ports back and forth to the Rust libraries.
+static uint32_t gId = 0;
+
+mozilla::ipc::IPCResult MIDIPortParent::RecvSend(
+    nsTArray<MIDIMessage>&& aMsgs) {
+  if (mConnectionState != MIDIPortConnectionState::Open) {
+    mMessageQueue.AppendElements(aMsgs);
+    if (MIDIPlatformService::IsRunning()) {
+      MIDIPlatformService::Get()->Open(this);
+    }
+    return IPC_OK();
+  }
+  if (MIDIPlatformService::IsRunning()) {
+    MIDIPlatformService::Get()->QueueMessages(MIDIPortInterface::mId, aMsgs);
+  }
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult MIDIPortParent::RecvOpen() {
+  if (MIDIPlatformService::IsRunning() &&
+      mConnectionState == MIDIPortConnectionState::Closed) {
+    MIDIPlatformService::Get()->Open(this);
+  }
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult MIDIPortParent::RecvClose() {
+  if (mConnectionState != MIDIPortConnectionState::Closed) {
+    if (MIDIPlatformService::IsRunning()) {
+      MIDIPlatformService::Get()->Close(this);
+    }
+  }
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult MIDIPortParent::RecvClear() {
+  if (MIDIPlatformService::IsRunning()) {
+    MIDIPlatformService::Get()->Clear(this);
+  }
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult MIDIPortParent::RecvShutdown() {
+  if (mShuttingDown) {
+    return IPC_OK();
+  }
+  Close();
+  return IPC_OK();
+}
+
+void MIDIPortParent::ActorDestroy(ActorDestroyReason) {
+  mMessageQueue.Clear();
+  MIDIPortInterface::Shutdown();
+  if (MIDIPlatformService::IsRunning()) {
+    MIDIPlatformService::Get()->RemovePort(this);
+  }
+}
+
+bool MIDIPortParent::SendUpdateStatus(
+    const MIDIPortDeviceState& aDeviceState,
+    const MIDIPortConnectionState& aConnectionState) {
+  if (mShuttingDown) {
+    return true;
+  }
+  mDeviceState = aDeviceState;
+  mConnectionState = aConnectionState;
+  if (aConnectionState == MIDIPortConnectionState::Open &&
+      aDeviceState == MIDIPortDeviceState::Disconnected) {
+    mConnectionState = MIDIPortConnectionState::Pending;
+  } else if (aConnectionState == MIDIPortConnectionState::Open &&
+             aDeviceState == MIDIPortDeviceState::Connected &&
+             !mMessageQueue.IsEmpty()) {
+    if (MIDIPlatformService::IsRunning()) {
+      MIDIPlatformService::Get()->QueueMessages(MIDIPortInterface::mId,
+                                                mMessageQueue);
+    }
+    mMessageQueue.Clear();
+  }
+  return PMIDIPortParent::SendUpdateStatus(
+      static_cast<uint32_t>(mDeviceState),
+      static_cast<uint32_t>(mConnectionState));
+}
+
+MIDIPortParent::MIDIPortParent(const MIDIPortInfo& aPortInfo,
+                               const bool aSysexEnabled)
+    : MIDIPortInterface(aPortInfo, aSysexEnabled), mInternalId(++gId) {
+  MOZ_ASSERT(MIDIPlatformService::IsRunning(),
+             "Shouldn't be able to add MIDI port without MIDI service!");
+  MIDIPlatformService::Get()->AddPort(this);
+}
+
+}  // namespace mozilla::dom