зеркало из https://github.com/mozilla/gecko-dev.git
52 строки
1.9 KiB
C++
52 строки
1.9 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/. */
|
|
|
|
#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
|