gecko-dev/dom/midi/MIDIInput.cpp

81 строка
2.2 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/MIDIInput.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 {
namespace 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 MIDIInputBinding::Wrap(aCx, this, aGivenProto);
}
void
MIDIInput::Receive(const nsTArray<MIDIMessage>& aMsgs)
{
nsCOMPtr<nsIDocument> doc = GetOwner()->GetDoc();
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()
{
if (NS_IsMainThread()) {
return GetEventHandler(nsGkAtoms::onmidimessage, EmptyString());
}
return GetEventHandler(nullptr, NS_LITERAL_STRING("midimessage"));
}
void
MIDIInput::SetOnmidimessage(EventHandlerNonNull* aCallback)
{
if (NS_IsMainThread()) {
SetEventHandler(nsGkAtoms::onmidimessage, EmptyString(), aCallback);
} else {
SetEventHandler(nullptr, NS_LITERAL_STRING("midimessage"), aCallback);
}
if (mPort->ConnectionState() != MIDIPortConnectionState::Open) {
mPort->SendOpen();
}
}
} // namespace dom
} // namespace mozilla