gecko-dev/dom/midi/MIDIInput.cpp

64 строки
2.1 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/MIDIInput.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/MIDIPortChild.h"
#include "mozilla/dom/MIDIInputBinding.h"
#include "mozilla/dom/MIDIMessageEvent.h"
#include "mozilla/dom/MIDIMessageEventBinding.h"
#include "nsDOMNavigationTiming.h"
namespace mozilla::dom {
MIDIInput::MIDIInput(nsPIDOMWindowInner* aWindow, MIDIAccess* aMIDIAccessParent)
: MIDIPort(aWindow, aMIDIAccessParent) {}
// static
MIDIInput* MIDIInput::Create(nsPIDOMWindowInner* aWindow,
MIDIAccess* aMIDIAccessParent,
const MIDIPortInfo& aPortInfo,
const bool aSysexEnabled) {
MOZ_ASSERT(static_cast<MIDIPortType>(aPortInfo.type()) ==
MIDIPortType::Input);
auto port = new MIDIInput(aWindow, aMIDIAccessParent);
if (!port->Initialize(aPortInfo, aSysexEnabled)) {
return nullptr;
}
return port;
}
JSObject* MIDIInput::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return MIDIInput_Binding::Wrap(aCx, this, aGivenProto);
}
void MIDIInput::Receive(const nsTArray<MIDIMessage>& aMsgs) {
nsCOMPtr<Document> doc = GetOwner() ? GetOwner()->GetDoc() : nullptr;
if (!doc) {
NS_WARNING("No document available to send MIDIMessageEvent to!");
return;
}
for (auto& msg : aMsgs) {
RefPtr<MIDIMessageEvent> event(
MIDIMessageEvent::Constructor(this, msg.timestamp(), msg.data()));
DispatchTrustedEvent(event);
}
}
EventHandlerNonNull* MIDIInput::GetOnmidimessage() {
return GetEventHandler(nsGkAtoms::onmidimessage);
}
void MIDIInput::SetOnmidimessage(EventHandlerNonNull* aCallback) {
SetEventHandler(nsGkAtoms::onmidimessage, aCallback);
if (mPort->ConnectionState() != MIDIPortConnectionState::Open) {
mPort->SendOpen();
}
}
} // namespace mozilla::dom