fix: a callback on playlist editor dialog closing tells me when to refresh the playlist view

app/src/main/java/com/cappielloantonio/tempo/interfaces/PlaylistCallback.java

@@ -0,0 +1,8 @@
+package com.cappielloantonio.tempo.interfaces;
+
+import androidx.annotation.Keep;
+
+@Keep
+public interface PlaylistCallback {
+    default void onDismiss() {}
+}

app/src/main/java/com/cappielloantonio/tempo/ui/dialog/PlaylistChooserDialog.java

@@ -67,7 +67,7 @@ public class PlaylistChooserDialog extends DialogFragment implements ClickCallba
             Bundle bundle = new Bundle();
             bundle.putParcelable(Constants.TRACK_OBJECT, playlistChooserViewModel.getSongToAdd());
 
-            PlaylistEditorDialog dialog = new PlaylistEditorDialog();
+            PlaylistEditorDialog dialog = new PlaylistEditorDialog(null);
             dialog.setArguments(bundle);
             dialog.show(requireActivity().getSupportFragmentManager(), null);
 

app/src/main/java/com/cappielloantonio/tempo/ui/dialog/PlaylistEditorDialog.java

@@ -14,6 +14,7 @@ import androidx.recyclerview.widget.RecyclerView;
 
 import com.cappielloantonio.tempo.R;
 import com.cappielloantonio.tempo.databinding.DialogPlaylistEditorBinding;
+import com.cappielloantonio.tempo.interfaces.PlaylistCallback;
 import com.cappielloantonio.tempo.ui.adapter.PlaylistDialogSongHorizontalAdapter;
 import com.cappielloantonio.tempo.util.Constants;
 import com.cappielloantonio.tempo.util.MusicUtil;
@@ -25,10 +26,15 @@ import java.util.Objects;
 public class PlaylistEditorDialog extends DialogFragment {
     private DialogPlaylistEditorBinding bind;
     private PlaylistEditorViewModel playlistEditorViewModel;
+    private PlaylistCallback playlistCallback;
 
     private String playlistName;
     private PlaylistDialogSongHorizontalAdapter playlistDialogSongHorizontalAdapter;
 
+    public PlaylistEditorDialog(PlaylistCallback playlistCallback) {
+        this.playlistCallback = playlistCallback;
+    }
+
     @NonNull
     @Override
     public Dialog onCreateDialog(Bundle savedInstanceState) {
@@ -85,13 +91,13 @@ public class PlaylistEditorDialog extends DialogFragment {
                     playlistEditorViewModel.updatePlaylist(playlistName);
                 }
 
-                Objects.requireNonNull(getDialog()).dismiss();
+                dialogDismiss();
             }
         });
 
         ((AlertDialog) Objects.requireNonNull(getDialog())).getButton(AlertDialog.BUTTON_NEUTRAL).setOnClickListener(v -> {
             playlistEditorViewModel.deletePlaylist();
-            Objects.requireNonNull(getDialog()).dismiss();
+            dialogDismiss();
         });
     }
 
@@ -157,4 +163,9 @@ public class PlaylistEditorDialog extends DialogFragment {
 
         return true;
     }
+
+    private void dialogDismiss() {
+        Objects.requireNonNull(getDialog()).dismiss();
+        playlistCallback.onDismiss();
+    }
 }

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/PlaylistCatalogueFragment.java

@@ -178,7 +178,7 @@ public class PlaylistCatalogueFragment extends Fragment implements ClickCallback
 
     @Override
     public void onPlaylistLongClick(Bundle bundle) {
-        PlaylistEditorDialog dialog = new PlaylistEditorDialog();
+        PlaylistEditorDialog dialog = new PlaylistEditorDialog(null);
         dialog.setArguments(bundle);
         dialog.show(activity.getSupportFragmentManager(), null);
         hideKeyboard(requireView());