wrapping functions in a goroutine and adding OnDownload handler to the playlist grid view

ui/browsing/playlistspage.go

@@ -113,6 +113,16 @@ func (a *PlaylistsPage) createGridView(playlists []*mediaprovider.Playlist) {
 			a.contr.DoAddTracksToPlaylistWorkflow(sharedutil.TracksToIDs(pl.Tracks))
 		}()
 	}
+	a.gridView.OnDownload = func(id string) {
+		go func() {
+			pl, err := a.contr.App.ServerManager.Server.GetPlaylist(id)
+			if err != nil {
+				log.Printf("error loading playlist: %s", err.Error())
+				return
+			}
+			a.contr.ShowDownloadDialog(pl.Tracks)
+		}()
+	}
 }
 
 func (a *PlaylistsPage) showListView() {

ui/controller/controller.go

@@ -144,12 +144,14 @@ func (m *Controller) ConnectAlbumGridActions(grid *widgets.GridView) {
 		}()
 	}
 	grid.OnDownload = func(albumID string) {
+		go func() {
 			album, err := m.App.ServerManager.Server.GetAlbum(albumID)
 			if err != nil {
 				log.Printf("error loading album: %s", err.Error())
 				return
 			}
 			m.ShowDownloadDialog(album.Tracks)
+		}()
 	}
 }
 
@@ -164,8 +166,10 @@ func (m *Controller) ConnectArtistGridActions(grid *widgets.GridView) {
 			sharedutil.TracksToIDs(m.GetArtistTracks(artistID)))
 	}
 	grid.OnDownload = func(artistID string) {
+		go func() {
 			tracks := m.GetArtistTracks(artistID)
 			m.ShowDownloadDialog(tracks)
+		}()
 	}
 }