chromium/media/midi/midi_manager.h

// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_MIDI_MIDI_MANAGER_H_
#define MEDIA_MIDI_MIDI_MANAGER_H_

#include <stddef.h>
#include <stdint.h>

#include <set>
#include <vector>

#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/synchronization/lock.h"
#include "base/thread_annotations.h"
#include "base/time/time.h"
#include "media/midi/midi_export.h"
#include "media/midi/midi_service.mojom.h"

namespace base {
class SingleThreadTaskRunner;
}  // namespace base

namespace midi {

class MidiService;

// A MidiManagerClient registers with the MidiManager to receive MIDI data.
// See MidiManager::RequestAccess() and MidiManager::ReleaseAccess()
// for details.
// TODO(toyoshim): Consider to have a MidiServiceClient interface.
class MIDI_EXPORT MidiManagerClient { … };

// Manages access to all MIDI hardware. MidiManager runs on the I/O thread.
//
// Note: We will eventually remove utility functions that are shared among
// platform dependent MidiManager inheritances such as MidiManagerClient
// management. MidiService should provide such shareable utility functions as
// it does TaskService.
class MIDI_EXPORT MidiManager { … };

}  // namespace midi

#endif  // MEDIA_MIDI_MIDI_MANAGER_H_