зеркало из https://github.com/mozilla/gecko-dev.git
58 строки
1.9 KiB
C++
58 строки
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/MIDIPortChild.h"
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#include "mozilla/dom/MIDIPort.h"
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#include "mozilla/dom/MIDIPortInterface.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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MIDIPortChild::MIDIPortChild(const MIDIPortInfo& aPortInfo, bool aSysexEnabled,
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MIDIPort* aPort)
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: MIDIPortInterface(aPortInfo, aSysexEnabled),
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mDOMPort(aPort),
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mActorWasAlive(false) {}
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void MIDIPortChild::Teardown() {
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if (mDOMPort) {
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mDOMPort->UnsetIPCPort();
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mDOMPort = nullptr;
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}
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MIDIPortInterface::Shutdown();
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}
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void MIDIPortChild::ActorDestroy(ActorDestroyReason aWhy) {}
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mozilla::ipc::IPCResult MIDIPortChild::RecvReceive(
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nsTArray<MIDIMessage>&& aMsgs) {
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if (mDOMPort) {
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mDOMPort->Receive(aMsgs);
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}
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return IPC_OK();
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}
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mozilla::ipc::IPCResult MIDIPortChild::RecvUpdateStatus(
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const uint32_t& aDeviceState, const uint32_t& aConnectionState) {
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// Either a device is connected, and can have any connection state, or a
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// device is disconnected, and can only be closed or pending.
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MOZ_ASSERT(mDeviceState == MIDIPortDeviceState::Connected ||
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(mConnectionState == MIDIPortConnectionState::Closed ||
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mConnectionState == MIDIPortConnectionState::Pending));
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mDeviceState = static_cast<MIDIPortDeviceState>(aDeviceState);
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mConnectionState = static_cast<MIDIPortConnectionState>(aConnectionState);
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if (mDOMPort) {
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mDOMPort->FireStateChangeEvent();
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}
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return IPC_OK();
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}
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void MIDIPortChild::SetActorAlive() {
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MOZ_ASSERT(!mActorWasAlive);
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mActorWasAlive = true;
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AddRef();
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}
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