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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2019-2020, William McPherson <willmcpherson2@gmail.com>
* Copyright (c) 2021, JJ Roberts-White <computerfido@gmail.com>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "Music.h"
#include <AK/FixedArray.h>
#include <AK/Noncopyable.h>
#include <AK/NonnullOwnPtr.h>
#include <AK/NonnullRefPtr.h>
#include <AK/Vector.h>
#include <LibDSP/Keyboard.h>
#include <LibDSP/Track.h>
class TrackManager {
AK_MAKE_NONCOPYABLE(TrackManager);
AK_MAKE_NONMOVABLE(TrackManager);
public:
TrackManager();
~TrackManager() = default;
NonnullRefPtr<DSP::NoteTrack> current_track() { return *m_tracks[m_current_track]; }
int track_count() { return m_tracks.size(); };
void set_current_track(size_t track_index)
{
VERIFY((int)track_index < track_count());
m_current_track = track_index;
}
NonnullRefPtr<DSP::Transport> transport() const { return m_transport; }
NonnullRefPtr<DSP::Keyboard> keyboard() const { return m_keyboard; }
// Legacy API, do not add new users.
void time_forward(int amount);
void fill_buffer(FixedArray<DSP::Sample>&);
void reset();
void set_keyboard_note(int note, DSP::Keyboard::Switch note_switch);
void set_should_loop(bool b) { m_should_loop = b; }
void add_track();
int next_track_index() const;
private:
Vector<NonnullRefPtr<DSP::NoteTrack>> m_tracks;
NonnullRefPtr<DSP::Transport> m_transport;
NonnullRefPtr<DSP::Keyboard> m_keyboard;
size_t m_current_track { 0 };
FixedArray<DSP::Sample> m_temporary_track_buffer;
bool m_should_loop { true };
};
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