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187 lines
4.8 KiB
187 lines
4.8 KiB
/*
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* Copyright (C) 2022 jimj316
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package moe.nekojimi.chords;
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import java.util.List;
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import java.util.PriorityQueue;
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import java.util.Queue;
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import java.util.function.Consumer;
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/**
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*
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* @author jimj316
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*/
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public class QueueManager extends QueueThing<Track, Track>
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{
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private final int QUEUE_TARGET_SIZE = 5;
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private Track restartingTrack = null;
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// private final PriorityQueue<Track> jukeboxQueue = new PriorityQueue<>();
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private QueueThing<?, Track> trackSource;
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private Playlist playlist;
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private MusicHandler handler;
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public QueueManager()
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{
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super(new PriorityQueue<Track>());
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queueTargetSize = QUEUE_TARGET_SIZE;
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// jukeboxQueue = new LinkedList<>();
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}
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@Override
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protected void notifyNewInput()
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{
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super.notifyNewInput();
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// if (inputQueue.size() < QUEUE_TARGET_SIZE)
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// demandInput(QUEUE_TARGET_SIZE - inputQueue.size());
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if (handler != null && !handler.isPlaying() || handler.getCurrentTrack() == null)
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handler.requestTrack();
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}
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@Override
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protected boolean completePromise(Promise<Track, Track> request)
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{
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final Track input = request.getInput();
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if (input != null)
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{
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request.complete(input);
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return true;
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}
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return false;
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}
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@Override
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public List<Promise<Track, Track>> request(int count, Consumer<Track> destination)
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{
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if (restartingTrack != null)
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{
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Promise ret = new Promise<>(restartingTrack, destination);
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restartingTrack = null;
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return List.of(ret);
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}
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List<Promise<Track, Track>> ret = super.request(count, destination);
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if (inputQueue.size() < QUEUE_TARGET_SIZE)
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demandInput(QUEUE_TARGET_SIZE - inputQueue.size());
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return ret;
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}
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/**
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* Called by the music handler when the current track has ended, or if
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* playNext is called with nothing playing.
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*
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* @return the next track to play, or null to stop playing.
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*/
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// public Track nextTrackNeeded()
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// {
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// Track ret;
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// // if we're restarting the current track: store, clear, and return it
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// if (restartingTrack != null)
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// {
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// ret = restartingTrack;
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// restartingTrack = null;
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// }
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// // if there's anything in the queue, play that first
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// else if (!jukeboxQueue.isEmpty())
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// {
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// ret = jukeboxQueue.poll();
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// }
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// // otherwise if there's a playlist, shuffle from that
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// else if (playlist != null)
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// {
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// ret = playlist.getNextTrack();
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// }
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// // otherwise stop playing
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// else
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// ret = null;
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//
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// return ret;
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// }
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public MusicHandler getHandler()
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{
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return handler;
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}
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public void addTrack(Track track)
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{
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System.out.println("Track added to queue: " + track.getLocation().getAbsolutePath());
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inputQueue.add(track);
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}
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public boolean removeTrack(int i)
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{
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try
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{
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return inputQueue.remove((Track) inputQueue.toArray()[i]);
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} catch (ArrayIndexOutOfBoundsException ex)
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{
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return false;
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}
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}
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public boolean removeTrack(Track track)
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{
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return inputQueue.remove(track);
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}
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public void setHandler(MusicHandler handler)
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{
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this.handler = handler;
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handler.setQueueManager(this);
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}
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public Queue<Track> getJukeboxQueue()
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{
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return inputQueue;
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}
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public Playlist getPlaylist()
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{
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return playlist;
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}
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public void setPlaylist(Playlist playlist)
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{
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this.playlist = playlist;
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}
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public boolean restartTrack()
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{
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restartingTrack = handler.getCurrentTrack();
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if (restartingTrack != null)
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{
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handler.requestTrack();
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return true;
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} else
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return false;
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}
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public QueueThing<?, Track> getTrackSource()
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{
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return trackSource;
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}
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public void setTrackSource(QueueThing<?, Track> trackSource)
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{
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this.trackSource = trackSource;
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}
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}
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