remove track from playlist

src/playbin.vala

@@ -63,6 +63,15 @@ public class Playbin : GLib.Object {
                 (position+i).to_string (),
             }) >= 0);
         }
+
+        if (this.play_queue_position == position && removed > 0) {
+            if (this.play_queue_position < this.play_queue.get_n_items ()) {
+                // edge case: new track plays, playlist-pos doesn't change, so now_playing never n gets triggered
+                this.now_playing (
+                    (Subsonic.Song) this.play_queue.get_item (this.play_queue_position),
+                    (Subsonic.Song?) this.play_queue.get_item (this.play_queue_position+1));
+            }
+        }
     }
 
     public Playbin () {

src/style.css

@@ -10,3 +10,7 @@
   min-width: 15px;
   min-height: 15px;
 }
+
+.playing .title-label {
+  font-weight: bold;
+}

src/ui/play_queue.blp

@@ -27,6 +27,7 @@ template $UiPlayQueue: Adw.NavigationPage {
         factory: SignalListItemFactory {
           setup => $on_song_list_setup ();
           bind => $on_song_list_bind ();
+          unbind => $on_song_list_unbind ();
         };
       }
     }

src/ui/play_queue.vala

@@ -1,8 +1,50 @@
 [GtkTemplate (ui = "/eu/callcc/audrey/ui/play_queue_song.ui")]
 class Ui.PlayQueueSong : Gtk.ListBoxRow {
-    public uint position { get; set; }
+    public bool current {
+        set {
+            if (value) {
+                this.play_icon_name = "media-playback-start";
+                this.add_css_class ("playing");
+            } else {
+                this.play_icon_name = "";
+                this.remove_css_class ("playing");
+            }
+        }
+    }
+    public uint displayed_position { get; set; }
     public Subsonic.Song song { get; set; }
 
+    public string play_icon_name { get; set; default = ""; }
+
+    private Playbin playbin;
+    public PlayQueueSong (Playbin playbin) {
+        this.playbin = playbin;
+
+        var action_group = new SimpleActionGroup ();
+
+        var remove = new SimpleAction ("remove", null);
+        remove.activate.connect (() => {
+            this.playbin.play_queue.remove (this.displayed_position-1);
+        });
+        action_group.add_action (remove);
+
+        this.insert_action_group ("song", action_group);
+    }
+
+    private ulong connection;
+    public void bind (uint position, Subsonic.Song song) {
+        this.displayed_position = position+1;
+        this.song = song;
+        this.current = this.playbin.play_queue_position == position;
+        this.connection = this.playbin.notify["play-queue-position"].connect (() => {
+            this.current = this.playbin.play_queue_position == position;
+        });
+    }
+
+    public void unbind () {
+        this.playbin.disconnect (this.connection);
+    }
+
     [GtkCallback] private string format_duration (int duration) {
         return "%02d:%02d".printf(duration/60, duration%60);
     }
@@ -10,6 +52,16 @@ class Ui.PlayQueueSong : Gtk.ListBoxRow {
     [GtkCallback] private string star_button_icon_name (DateTime? starred) {
         return starred == null ? "non-starred" : "starred";
     }
+
+    [GtkCallback] private Gdk.ContentProvider? on_drag_prepare (double x, double y) {
+        return new Gdk.ContentProvider.for_value (this);
+    }
+
+    [GtkCallback] private bool on_drop (Value value, double x, double y) {
+        var source = value as PlayQueueSong;
+        print ("dropped %u on %u", source.displayed_position, this.displayed_position);
+        return false;
+    }
 }
 
 [GtkTemplate (ui = "/eu/callcc/audrey/ui/play_queue.ui")]
@@ -41,7 +93,7 @@ public class Ui.PlayQueue : Adw.NavigationPage {
 
     [GtkCallback] private void on_song_list_setup (Gtk.SignalListItemFactory factory, Object object) {
         var item = object as Gtk.ListItem;
-        var child = new PlayQueueSong ();
+        var child = new PlayQueueSong (this.playbin);
 
         item.child = child;
     }
@@ -50,8 +102,14 @@ public class Ui.PlayQueue : Adw.NavigationPage {
         var item = object as Gtk.ListItem;
         var child = item.child as PlayQueueSong;
 
-        child.position = item.position+1;
-        child.song = item.item as Subsonic.Song;
+        child.bind (item.position, item.item as Subsonic.Song);
+    }
+
+    [GtkCallback] private void on_song_list_unbind (Gtk.SignalListItemFactory factory, Object object) {
+        var item = object as Gtk.ListItem;
+        var child = item.child as PlayQueueSong;
+
+        child.unbind ();
     }
 
     [GtkCallback] private void on_row_activated (uint position) {

src/ui/play_queue_song.blp

@@ -8,7 +8,7 @@ template $UiPlayQueueSong: ListBoxRow {
     spacing: 6;
 
     Image {
-      visible: false;
+      //visible: false;
       icon-name: "list-drag-handle";
       styles [ "drag-handle" ]
     }
@@ -21,7 +21,7 @@ template $UiPlayQueueSong: ListBoxRow {
       Image {
         focusable: false;
         icon-size: normal;
-        //icon-name: "media-playback-start";
+        icon-name: bind template.play-icon-name;
       }
 
       Label {
@@ -30,7 +30,7 @@ template $UiPlayQueueSong: ListBoxRow {
         justify: right;
         styles [ "dim-label", "numeric" ]
 
-        label: bind template.position;
+        label: bind template.displayed_position;
       }
     }
 
@@ -49,6 +49,7 @@ template $UiPlayQueueSong: ListBoxRow {
         margin-start: 9;
 
         label: bind template.song as <$SubsonicSong>.title;
+        styles [ "title-label" ]
       }
     }
 
@@ -111,11 +112,34 @@ template $UiPlayQueueSong: ListBoxRow {
       focusable: true;
       icon-name: "view-more";
       styles [ "flat" ]
+
+      popover: PopoverMenu {
+        menu-model: song-menu;
+      };
     }
   }
+
+  DragSource {
+    actions: move;
+    propagation-phase: capture;
+
+    prepare => $on_drag_prepare ();
+  }
+
+  DropTarget {
+    actions: move;
+    formats: UiPlayQueueSong;
+    preload: true;
+
+    drop => $on_drop ();
+  }
 }
 
 SizeGroup {
   mode: horizontal;
   widgets [title_box, artist_box, album_duration_box]
 }
+
+menu song-menu {
+  item ("Remove", "song.remove")
+}

src/ui/window.vala

@@ -83,6 +83,7 @@ class Ui.Window : Adw.ApplicationWindow {
 
             this.playbin.stopped.connect (() => {
                 this.playing_cover_art = Gdk.Paintable.empty (1, 1);
+                this.song = null;
             });
 
             this.shuffle_all_tracks.sensitive = true;