Use QUrl::isLocalFile()

src/playlist/playlist.cpp

@@ -1826,7 +1826,7 @@ void Playlist::InvalidateDeletedSongs() {
     PlaylistItemPtr item = items_[row];
     Song song = item->Metadata();
 
-    if (song.url().scheme() == "file") {
+    if (song.url().isLocalFile()) {
       bool exists = QFile::exists(song.url().toLocalFile());
 
       if (!exists && !item->HasForegroundColor(kInvalidSongPriority)) {

src/playlist/playlistdelegates.cpp

@@ -426,7 +426,7 @@ QString NativeSeparatorsDelegate::displayText(const QVariant &value, const QLoca
     return QDir::toNativeSeparators(string_value);
   }
 
-  if (url.scheme() == "file") {
+  if (url.isLocalFile()) {
     return QDir::toNativeSeparators(url.toLocalFile());
   }
   return string_value;

src/playlist/songplaylistitem.cpp

@@ -40,7 +40,7 @@ bool SongPlaylistItem::InitFromQuery(const SqlRow &query) {
 QUrl SongPlaylistItem::Url() const { return song_.url(); }
 
 void SongPlaylistItem::Reload() {
-  if (song_.url().scheme() != "file") return;
+  if (!song_.url().isLocalFile()) return;
   TagReaderClient::Instance()->ReadFileBlocking(song_.url().toLocalFile(), &song_);
 }