Make Playlist's InformOfCurrentSongChange public and use it when updating item instead of using UpdateItems (which will create a new item)

src/core/player.cpp

@@ -110,7 +110,7 @@ void Player::HandleLoadResult(const UrlHandler::LoadResult& result) {
       Song song = item->Metadata();
       song.set_length_nanosec(result.length_nanosec_);
       item->SetTemporaryMetadata(song);
-      playlists_->active()->UpdateItems(SongList() << song);
+      playlists_->active()->InformOfCurrentSongChange();
     }
     engine_->Play(result.media_url_, stream_change_type_,
                   item->Metadata().has_cue(),

src/internet/groovesharkservice.cpp

@@ -789,7 +789,8 @@ void GroovesharkService::SongUrlToShareReceived(QNetworkReply* reply) {
   url_box.setWindowTitle(tr("Grooveshark song's URL"));
   url_box.setText(url);
   url_box.setStandardButtons(QMessageBox::Ok);
-  QPushButton* copy_to_clipboard_button = url_box.addButton(tr("Copy to clipboard"), QMessageBox::ActionRole);
+  QPushButton* copy_to_clipboard_button =
+      url_box.addButton(tr("Copy to clipboard"), QMessageBox::ActionRole);
 
   url_box.exec();
 

src/playlist/playlist.h

@@ -236,6 +236,7 @@ class Playlist : public QAbstractListModel {
 
   void StopAfter(int row);
   void ReloadItems(const QList<int>& rows);
+  void InformOfCurrentSongChange();
 
   // Changes rating of a song to the given value asynchronously
   void RateSong(const QModelIndex& index, double rating);
@@ -324,8 +325,6 @@ class Playlist : public QAbstractListModel {
   // Removes rows with given indices from this playlist.
   bool removeRows(QList<int>& rows);
 
-  void InformOfCurrentSongChange();
-
  private slots:
   void TracksAboutToBeDequeued(const QModelIndex&, int begin, int end);
   void TracksDequeued();