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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/. */
#ifndef mozilla_dom_MIDIPortParent_h
#define mozilla_dom_MIDIPortParent_h
#include "mozilla/dom/PMIDIPortParent.h"
#include "mozilla/dom/MIDIPortBinding.h"
#include "mozilla/dom/MIDIPortInterface.h"
// Header file contents
namespace mozilla {
namespace dom {
/**
* Actor representing the parent (PBackground thread) side of a MIDIPort object.
*
*/
class MIDIPortParent final : public PMIDIPortParent, public MIDIPortInterface {
public:
NS_INLINE_DECL_REFCOUNTING(MIDIPortParent);
void ActorDestroy(ActorDestroyReason) override;
mozilla::ipc::IPCResult RecvSend(nsTArray<MIDIMessage>&& aMsg);
mozilla::ipc::IPCResult RecvOpen();
mozilla::ipc::IPCResult RecvClose();
mozilla::ipc::IPCResult RecvClear();
mozilla::ipc::IPCResult RecvShutdown();
MOZ_IMPLICIT MIDIPortParent(const MIDIPortInfo& aPortInfo,
const bool aSysexEnabled);
// Sends the current port status to the child actor. May also send message
// buffer if required.
bool SendUpdateStatus(const MIDIPortDeviceState& aState,
const MIDIPortConnectionState& aConnection);
uint32_t GetInternalId() const { return mInternalId; }
void Teardown();
protected:
~MIDIPortParent() = default;
// Queue of messages that needs to be sent. Since sending a message on a
// closed port opens it, we sometimes have to buffer messages from the time
// Send() is called until the time we get a device state change to Opened.
nsTArray<MIDIMessage> mMessageQueue;
const uint32_t mInternalId;
};
} // namespace dom
} // namespace mozilla
#endif
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