Add Position Thread

PlayWallNative/src/de/tobias/playpad/NativeAudioMacHandler.java

 package de.tobias.playpad;
 
 import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.ConcurrentModificationException;
+import java.util.Iterator;
+import java.util.List;
 
 import de.tobias.playpad.audio.AudioHandler;
 import de.tobias.playpad.pad.PadStatus;
 import de.tobias.playpad.pad.conntent.PadContent;
 import de.tobias.utils.util.Worker;
+import javafx.application.Platform;
 import javafx.beans.property.ObjectProperty;
 import javafx.beans.property.ReadOnlyObjectProperty;
 import javafx.beans.property.SimpleObjectProperty;
@@ -13,6 +18,8 @@ import javafx.util.Duration;
 
 public class NativeAudioMacHandler extends AudioHandler {
 
+	private static final int SLEEP_TIME_POSITION = 100;
+
 	private static int counter = 0;
 
 	private final int id;
@@ -20,6 +27,39 @@ public class NativeAudioMacHandler extends AudioHandler {
 	private ObjectProperty<Duration> durationProperty;
 	private boolean isLoaded;
 
+	private static Thread positionThread;
+	private static List<NativeAudioMacHandler> playedHandlers = new ArrayList<>();
+
+	static {
+		positionThread = new Thread(() ->
+		{
+			while (true) {
+				try {
+					if (playedHandlers.isEmpty()) {
+						synchronized (positionThread) {
+							positionThread.wait();
+						}
+					}
+
+					for (Iterator<NativeAudioMacHandler> iterator = playedHandlers.iterator(); iterator.hasNext();) {
+						NativeAudioMacHandler handler = iterator.next();
+						Duration seconds = Duration.seconds(NativeAudio.getPosition(handler.id));
+
+						Platform.runLater(() -> handler.positionProperty.set(seconds));
+					}
+
+					Thread.sleep(SLEEP_TIME_POSITION);
+				} catch (InterruptedException e) {
+				} catch (ConcurrentModificationException e) {
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
+		});
+
+		positionThread.start();
+	}
+
 	public NativeAudioMacHandler(PadContent content) {
 		super(content);
 
@@ -31,16 +71,33 @@ public class NativeAudioMacHandler extends AudioHandler {
 	@Override
 	public void play() {
 		NativeAudio.play(id);
+
+		boolean start = false;
+		if (playedHandlers.isEmpty()) {
+			start = true;
+		}
+
+		if (!playedHandlers.contains(this))
+			playedHandlers.add(this);
+		if (start) {
+			synchronized (positionThread) {
+				positionThread.notify();
+			}
+		}
 	}
 
 	@Override
 	public void pause() {
 		NativeAudio.pause(id);
+		if (playedHandlers.contains(this))
+			playedHandlers.remove(this);
 	}
 
 	@Override
 	public void stop() {
 		NativeAudio.stop(id);
+		if (playedHandlers.contains(this))
+			playedHandlers.remove(this);
 	}
 
 	@Override
@@ -77,12 +134,24 @@ public class NativeAudioMacHandler extends AudioHandler {
 
 	@Override
 	public void loadMedia(Path[] paths) {
+		Platform.runLater(() ->
+		{
+			if (getContent().getPad().isPadVisible()) {
+				getContent().getPad().getController().getView().showBusyView(true);
+			}
+		});
 		Worker.runLater(() ->
 		{
 			isLoaded = NativeAudio.load(id, paths[0].toString().replace(" ", "%20"));
 			if (isLoaded) {
+				Platform.runLater(() ->
+				{
 					durationProperty.set(Duration.seconds(NativeAudio.getDuration(id)));
 					getContent().getPad().setStatus(PadStatus.READY);
+					if (getContent().getPad().isPadVisible()) {
+						getContent().getPad().getController().getView().showBusyView(false);
+					}
+				});
 			}
 		});
 	}