gecko-dev/dom/midi/MIDIManagerParent.cpp

35 строки
1.2 KiB
C++

/* -*- 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/MIDIManagerParent.h"
#include "mozilla/dom/MIDIPlatformService.h"
namespace mozilla::dom {
void MIDIManagerParent::ActorDestroy(ActorDestroyReason aWhy) {
if (MIDIPlatformService::IsRunning()) {
MIDIPlatformService::Get()->RemoveManager(this);
}
}
mozilla::ipc::IPCResult MIDIManagerParent::RecvRefresh() {
MIDIPlatformService::Get()->Refresh();
return IPC_OK();
}
mozilla::ipc::IPCResult MIDIManagerParent::RecvShutdown() {
// The two-step shutdown process here is the standard way to ensure that the
// child receives any messages sent by the server (since either sending or
// receiving __delete__ prevents any further messages from being received).
// This was necessary before bug 1547085 when discarded messages would
// trigger a crash, and is probably unnecessary now, but we leave it in place
// just in case.
Close();
return IPC_OK();
}
} // namespace mozilla::dom