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/* -*- 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 {
namespace 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()) {
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();
}
Teardown();
Unused << Send__delete__(this);
return IPC_OK();
}
void MIDIPortParent::Teardown() {
mMessageQueue.Clear();
MIDIPortInterface::Shutdown();
if (MIDIPlatformService::IsRunning()) {
MIDIPlatformService::Get()->RemovePort(this);
}
}
void MIDIPortParent::ActorDestroy(ActorDestroyReason) {}
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 dom
} // namespace mozilla