Removed the song from the MainWindow

Author: mhahnFr

src/mhahnFr/iSongs/core/InfoLoader.java

@@ -196,25 +196,23 @@ private void updateTrack() {
      * Starts the task to save the song information of the
      * currently recognized song.
      *
-     * @param song the song to be saved
-     * @see #saveSongImpl(Pair)
+     * @see #saveSongImpl()
      */
-    public void saveSong(final Pair<String, String> song) {
-        executorService.schedule(() -> saveSongImpl(song), 0, TimeUnit.NANOSECONDS);
+    public void saveSong() {
+        executorService.schedule(this::saveSongImpl, 0, TimeUnit.NANOSECONDS);
     }
 
     /**
      * Saves the currently recognized song. After finishing,
      * the callback is invoked.
      *
-     * @param song the song to be saved
      * @see #writeCallback
      */
-    private void saveSongImpl(final Pair<String, String> song) {
+    private void saveSongImpl() {
         Pair<String, String> savedSong = null;
         Exception            e         = null;
         try {
-            savedSong = saveTrack(song);
+            savedSong = saveTrack();
         } catch (Exception exception) {
             e = exception;
         }
@@ -225,19 +223,19 @@ private void saveSongImpl(final Pair<String, String> song) {
      * Writes the currently recognized song to a file. The
      * file is placed into the folder returned by {@link Settings#getSavePath()}.
      *
-     * @param song the song to be saved
      * @return the saved song
      * @throws IOException if the file could not be written
      * @throws IllegalStateException if the file cannot be written
      */
-    private Pair<String, String> saveTrack(final Pair<String, String> song) throws IOException {
+    private Pair<String, String> saveTrack() throws IOException {
         if (!hasTrack()) {
             throw new IllegalStateException("No track recognized!");
         }
         final var path = Settings.getInstance().getSavePath();
         if (path == null || path.isBlank()) {
             throw new IllegalStateException("Save folder not set!");
         }
+        final var song = getCurrentSong();
         final var buffer = "titel:" + song.getFirst() + System.lineSeparator() +
                            "interpreter:" + song.getSecond();
         try (final var writer = new BufferedWriter(new FileWriter(createFileName()))) {

src/mhahnFr/iSongs/gui/MainWindow.java

@@ -58,8 +58,6 @@ public class MainWindow extends JFrame implements DarkModeListener {
     private final JButton errorButton;
     /** The last {@link Exception} that happened.                  */
     private Exception lastException;
-    /** The currently displayed song.                              */
-    private Pair<String, String> displayedSong;
 
     /**
      * Constructs this main window.
@@ -146,7 +144,7 @@ private void updateUI() {
             return;
         }
         errorButton.setVisible(false);
-        displayedSong = loader.getCurrentSong();
+        final var displayedSong = loader.getCurrentSong();
         if (displayedSong != null) {
             titleLabel.setText(displayedSong.getFirst());
             interpreterLabel.setText(displayedSong.getSecond());
@@ -235,7 +233,7 @@ private void showSettings() {
      * Saves the currently played song.
      */
     private void saveTitle() {
-        loader.saveSong(displayedSong);
+        loader.saveSong();
     }
 
     /**