fix deprecation warnings caused by old trait object syntax

src/album.rs

@@ -150,7 +150,7 @@ impl ListItem for Album {
         }
     }
 
-    fn as_listitem(&self) -> Box<ListItem> {
+    fn as_listitem(&self) -> Box<dyn ListItem> {
         Box::new(self.clone())
     }
 

src/artist.rs

@@ -139,7 +139,7 @@ impl ListItem for Artist {
         }
     }
 
-    fn as_listitem(&self) -> Box<ListItem> {
+    fn as_listitem(&self) -> Box<dyn ListItem> {
         Box::new(self.clone())
     }
 

src/mpris.rs

@@ -12,7 +12,7 @@ use queue::{Queue, RepeatSetting};
 use spotify::{PlayerEvent, Spotify};
 use track::Track;
 
-type Metadata = HashMap<String, Variant<Box<RefArg>>>;
+type Metadata = HashMap<String, Variant<Box<dyn RefArg>>>;
 struct MprisState(String, Option<Track>);
 
 fn get_playbackstatus(spotify: Arc<Spotify>) -> String {
@@ -192,7 +192,7 @@ fn run_dbus_server(spotify: Arc<Spotify>, queue: Arc<Queue>, rx: mpsc::Receiver<
 
     let property_metadata = {
         let queue = queue.clone();
-        f.property::<HashMap<String, Variant<Box<RefArg>>>, _>("Metadata", ())
+        f.property::<HashMap<String, Variant<Box<dyn RefArg>>>, _>("Metadata", ())
             .access(Access::Read)
             .on_get(move |iter, _| {
                 let hm = get_metadata(queue.clone().get_current());
@@ -401,7 +401,10 @@ fn run_dbus_server(spotify: Arc<Spotify>, queue: Arc<Queue>, rx: mpsc::Receiver<
 
         if let Ok(state) = rx.try_recv() {
             let mut changed: PropertiesPropertiesChanged = Default::default();
-            debug!("mpris PropertiesChanged: status {}, track: {:?}", state.0, state.1);
+            debug!(
+                "mpris PropertiesChanged: status {}, track: {:?}",
+                state.0, state.1
+            );
 
             changed.interface_name = "org.mpris.MediaPlayer2.Player".to_string();
             changed.changed_properties.insert(
@@ -409,15 +412,14 @@ fn run_dbus_server(spotify: Arc<Spotify>, queue: Arc<Queue>, rx: mpsc::Receiver<
                 Variant(Box::new(get_metadata(state.1))),
             );
 
-            changed.changed_properties.insert(
-                "PlaybackStatus".to_string(),
-                Variant(Box::new(state.0)),
-            );
+            changed
+                .changed_properties
+                .insert("PlaybackStatus".to_string(), Variant(Box::new(state.0)));
 
             conn.send(
                 changed.to_emit_message(&Path::new("/org/mpris/MediaPlayer2".to_string()).unwrap()),
             )
-                .unwrap();
+            .unwrap();
         }
     }
 }
@@ -426,7 +428,7 @@ fn run_dbus_server(spotify: Arc<Spotify>, queue: Arc<Queue>, rx: mpsc::Receiver<
 pub struct MprisManager {
     tx: mpsc::Sender<MprisState>,
     queue: Arc<Queue>,
-    spotify: Arc<Spotify>
+    spotify: Arc<Spotify>,
 }
 
 impl MprisManager {

src/playlist.rs

@@ -107,7 +107,7 @@ impl ListItem for Playlist {
         }
     }
 
-    fn as_listitem(&self) -> Box<ListItem> {
+    fn as_listitem(&self) -> Box<dyn ListItem> {
         Box::new(self.clone())
     }
 

src/spotify.rs

@@ -75,9 +75,9 @@ struct Worker {
     commands: mpsc::UnboundedReceiver<WorkerCommand>,
     session: Session,
     player: Player,
-    play_task: Box<futures::Future<Item = (), Error = oneshot::Canceled>>,
-    refresh_task: Box<futures::Stream<Item = (), Error = tokio_timer::Error>>,
-    token_task: Box<futures::Future<Item = (), Error = MercuryError>>,
+    play_task: Box<dyn futures::Future<Item = (), Error = oneshot::Canceled>>,
+    refresh_task: Box<dyn futures::Stream<Item = (), Error = tokio_timer::Error>>,
+    token_task: Box<dyn futures::Future<Item = (), Error = MercuryError>>,
     active: bool,
 }
 
@@ -102,7 +102,7 @@ impl Worker {
 }
 
 impl Worker {
-    fn create_refresh(&self) -> Box<futures::Stream<Item = (), Error = tokio_timer::Error>> {
+    fn create_refresh(&self) -> Box<dyn futures::Stream<Item = (), Error = tokio_timer::Error>> {
         let ev = self.events.clone();
         let future =
             tokio_timer::Interval::new_interval(Duration::from_millis(400)).map(move |_| {
@@ -185,8 +185,8 @@ impl futures::Future for Worker {
                 }
                 Err(e) => {
                     error!("could not generate token: {:?}", e);
-                },
-                _ => ()
+                }
+                _ => (),
             }
 
             if !progress {
@@ -256,7 +256,7 @@ impl Spotify {
     fn get_token(
         session: &Session,
         sender: oneshot::Sender<Token>,
-    ) -> Box<Future<Item = (), Error = MercuryError>> {
+    ) -> Box<dyn Future<Item = (), Error = MercuryError>> {
         let client_id = config::CLIENT_ID;
         let scopes = "user-read-private,playlist-read-private,playlist-read-collaborative,playlist-modify-public,playlist-modify-private,user-follow-modify,user-follow-read,user-library-read,user-library-modify,user-top-read,user-read-recently-played";
         let url = format!(

src/track.rs

@@ -151,7 +151,7 @@ impl ListItem for Track {
         current.map(|t| t.id == self.id).unwrap_or(false)
     }
 
-    fn as_listitem(&self) -> Box<ListItem> {
+    fn as_listitem(&self) -> Box<dyn ListItem> {
         Box::new(self.clone())
     }
 

src/traits.rs

@@ -31,7 +31,7 @@ pub trait ListItem: Sync + Send + 'static {
         None
     }
 
-    fn as_listitem(&self) -> Box<ListItem>;
+    fn as_listitem(&self) -> Box<dyn ListItem>;
 }
 
 pub trait ViewExt: View {

src/ui/contextmenu.rs

@@ -17,12 +17,12 @@ pub struct ContextMenu {
 }
 
 enum ContextMenuAction {
-    ShowItem(Box<ListItem>),
+    ShowItem(Box<dyn ListItem>),
     ShareUrl(String),
 }
 
 impl ContextMenu {
-    pub fn new(item: &Box<ListItem>, queue: Arc<Queue>, library: Arc<Library>) -> Self {
+    pub fn new(item: &Box<dyn ListItem>, queue: Arc<Queue>, library: Arc<Library>) -> Self {
         let mut content: SelectView<ContextMenuAction> = SelectView::new().autojump();
         if let Some(a) = item.artist() {
             content.add_item("Show artist", ContextMenuAction::ShowItem(Box::new(a)));

src/ui/listview.rs

@@ -21,7 +21,7 @@ use ui::album::AlbumView;
 use ui::artist::ArtistView;
 use ui::contextmenu::ContextMenu;
 
-pub type Paginator<I> = Box<Fn(Arc<RwLock<Vec<I>>>) + Send + Sync>;
+pub type Paginator<I> = Box<dyn Fn(Arc<RwLock<Vec<I>>>) + Send + Sync>;
 pub struct Pagination<I: ListItem> {
     max_content: Arc<RwLock<Option<usize>>>,
     callback: Arc<RwLock<Option<Paginator<I>>>>,

src/ui/search.rs

@@ -40,7 +40,7 @@ pub struct SearchView {
 }
 
 type SearchHandler<I> =
-    Box<Fn(&Arc<Spotify>, &Arc<RwLock<Vec<I>>>, &str, usize, bool) -> u32 + Send + Sync>;
+    Box<dyn Fn(&Arc<Spotify>, &Arc<RwLock<Vec<I>>>, &str, usize, bool) -> u32 + Send + Sync>;
 
 pub const LIST_ID: &str = "search_list";
 pub const EDIT_ID: &str = "search_edit";