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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/MIDIPortChild.h"
#include "mozilla/dom/MIDIPort.h"
#include "mozilla/dom/MIDIPortInterface.h"
#include "nsContentUtils.h"
using namespace mozilla;
using namespace mozilla::dom;
MIDIPortChild::MIDIPortChild(const MIDIPortInfo& aPortInfo, bool aSysexEnabled,
MIDIPort* aPort)
: MIDIPortInterface(aPortInfo, aSysexEnabled), mDOMPort(aPort) {}
void MIDIPortChild::ActorDestroy(ActorDestroyReason aWhy) {
if (mDOMPort) {
mDOMPort->UnsetIPCPort();
MOZ_ASSERT(!mDOMPort);
}
MIDIPortInterface::Shutdown();
}
mozilla::ipc::IPCResult MIDIPortChild::RecvReceive(
nsTArray<MIDIMessage>&& aMsgs) {
if (mDOMPort) {
mDOMPort->Receive(aMsgs);
}
return IPC_OK();
}
mozilla::ipc::IPCResult MIDIPortChild::RecvUpdateStatus(
const uint32_t& aDeviceState, const uint32_t& aConnectionState) {
// Either a device is connected, and can have any connection state, or a
// device is disconnected, and can only be closed or pending.
MOZ_ASSERT(mDeviceState == MIDIPortDeviceState::Connected ||
(mConnectionState == MIDIPortConnectionState::Closed ||
mConnectionState == MIDIPortConnectionState::Pending));
mDeviceState = static_cast<MIDIPortDeviceState>(aDeviceState);
mConnectionState = static_cast<MIDIPortConnectionState>(aConnectionState);
if (mDOMPort) {
RefPtr<MIDIPort> self(mDOMPort);
self->FireStateChangeEvent();
}
return IPC_OK();
}
nsresult MIDIPortChild::GenerateStableId(const nsACString& aOrigin) {
const size_t kIdLength = 64;
mStableId.SetCapacity(kIdLength);
mStableId.Append(Name());
mStableId.Append(Manufacturer());
mStableId.Append(Version());
nsContentUtils::AnonymizeId(mStableId, aOrigin,
nsContentUtils::OriginFormat::Plain);
return NS_OK;
}
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