play queue now works again (sort of)

resources/play_queue.blp

@@ -5,7 +5,7 @@ template $AudreyUiPlayQueue: Adw.Bin {
   name: "play-queue";
 
   child: Stack {
-    visible-child-name: bind $visible_child_name (template.playbin as <$AudreyPlaybin>.play-queue-length) as <string>;
+    visible-child-name: bind $visible_child_name (template.model as <$GListStore>.n-items) as <string>;
 
     StackPage {
       name: "empty";
@@ -31,7 +31,7 @@ template $AudreyUiPlayQueue: Adw.Bin {
           activate => $on_row_activated () swapped;
 
           model: NoSelection {
-            model: bind template.playbin as <$AudreyPlaybin>.play_queue;
+            model: bind template.model;
           };
 
           factory: SignalListItemFactory {

resources/play_queue_song.blp

@@ -35,7 +35,7 @@ template $AudreyUiPlayQueueSong: Box {
     margin-top: 1;
     margin-bottom: 1;
     pixel-size: 50;
-    paintable: bind template.song as <$AudreyPlaybinSong>.thumbnail;
+    //paintable: bind template.song as <$AudreyPlaybinSong>.thumbnail;
   }
 
   Box title_box {

resources/window.blp

@@ -119,7 +119,7 @@ template $AudreyUiWindow: Adw.ApplicationWindow {
             margin-end: 24;
 
             styles [ "frame" ]
-            playbin: bind template.playbin;
+            //playbin: bind template.playbin;
           }
         };
       }

src/playbin2.rs

@@ -163,7 +163,9 @@ where
 
     pub fn remove_entry(&self, index: usize) {
         let mut entries = self.entries.borrow_mut();
-        self.mpv.command(["remove", &index.to_string()]).unwrap();
+        self.mpv
+            .command(["playlist-remove", &index.to_string()])
+            .unwrap();
         entries.remove(index as usize);
 
         drop(entries);
@@ -241,6 +243,22 @@ where
         self.muted_changed.signal()
     }
 
+    pub fn current_entry_changed(&self) -> Signal<'_, Self, ()> {
+        self.current_entry_changed.signal()
+    }
+
+    pub fn entry_inserted(&self) -> Signal<'_, Self, usize> {
+        self.entry_inserted.signal()
+    }
+
+    pub fn stopped(&self) -> Signal<'_, Self, ()> {
+        self.stopped.signal()
+    }
+
+    pub fn entry_removed(&self) -> Signal<'_, Self, usize> {
+        self.entry_removed.signal()
+    }
+
     pub fn file_started(&self) -> Signal<'_, Self, ()> {
         self.file_started.signal()
     }

src/signal.rs

@@ -25,7 +25,7 @@ pub struct Signal<'a, E, T> {
     just_connected: &'a RefCell<Vec<SignalHandlerBox<E, T>>>,
 }
 
-#[derive(Clone)]
+#[derive(Clone, Default)]
 pub struct SignalHandler(Weak<Cell<bool>>);
 
 impl SignalHandler {

src/ui/play_queue.rs

@@ -2,15 +2,22 @@ pub mod song;
 pub use song::Song;
 
 mod imp {
-    use adw::{glib, prelude::*, subclass::prelude::*};
+    use crate::playbin::Song as PlaybinSong;
+    use adw::{gio, glib, prelude::*, subclass::prelude::*};
     use glib::{subclass::InitializingObject, WeakRef};
+    use std::cell::{Cell, RefCell};
+    use std::rc::Rc;
+
+    type Playbin = crate::playbin2::Playbin<PlaybinSong>;
 
     #[derive(gtk::CompositeTemplate, glib::Properties, Default)]
     #[template(resource = "/eu/callcc/audrey/play_queue.ui")]
     #[properties(wrapper_type = super::PlayQueue)]
     pub struct PlayQueue {
         #[property(get, set)]
-        playbin: WeakRef<crate::Playbin>,
+        pub(super) model: RefCell<Option<gio::ListStore>>,
+
+        pub(super) playbin: RefCell<Option<Rc<Playbin>>>,
     }
 
     #[glib::object_subclass]
@@ -30,7 +37,13 @@ mod imp {
     }
 
     #[glib::derived_properties]
-    impl ObjectImpl for PlayQueue {}
+    impl ObjectImpl for PlayQueue {
+        fn constructed(&self) {
+            self.parent_constructed();
+
+            self.obj().set_model(gio::ListStore::new::<PlaybinSong>());
+        }
+    }
 
     impl WidgetImpl for PlayQueue {}
 
@@ -49,7 +62,7 @@ mod imp {
 
         #[template_callback]
         fn on_song_list_setup(&self, item: &gtk::ListItem, _factory: &gtk::SignalListItemFactory) {
-            let child = super::Song::new(&self.playbin.upgrade().unwrap());
+            let child = super::Song::new(self.playbin.borrow().as_ref().unwrap());
 
             child.set_draggable(true);
             child.set_show_position(true);
@@ -81,7 +94,11 @@ mod imp {
 
         #[template_callback]
         fn on_row_activated(&self, position: u32) {
-            self.obj().playbin().unwrap().select_track(position);
+            self.playbin
+                .borrow()
+                .as_ref()
+                .unwrap()
+                .play_entry(position as usize);
         }
     }
 
@@ -92,10 +109,47 @@ mod imp {
     }
 }
 
+use crate::playbin::Song as PlaybinSong;
+use adw::subclass::prelude::*;
 use gtk::glib;
+use std::rc::Rc;
+
+type Playbin = crate::playbin2::Playbin<PlaybinSong>;
 
 glib::wrapper! {
     pub struct PlayQueue(ObjectSubclass<imp::PlayQueue>)
         @extends adw::Bin, gtk::Widget,
         @implements gtk::Accessible, gtk::Buildable, gtk::ConstraintTarget;
 }
+
+impl PlayQueue {
+    pub fn set_playbin(&self, playbin: &Rc<Playbin>) {
+        assert!(self
+            .imp()
+            .playbin
+            .replace(Some(Rc::clone(playbin)))
+            .is_none()); // only set once
+
+        playbin
+            .entry_inserted()
+            .connect_object(self, |playbin, play_queue, index| {
+                play_queue
+                    .model()
+                    .unwrap()
+                    .insert(index as u32, &playbin.entries()[index]);
+                true
+            });
+        playbin
+            .stopped()
+            .connect_object(self, |playbin, play_queue, ()| {
+                play_queue.model().unwrap().remove_all();
+                true
+            });
+        playbin
+            .entry_removed()
+            .connect_object(self, |playbin, play_queue, index| {
+                play_queue.model().unwrap().remove(index as u32);
+                true
+            });
+    }
+}

src/ui/play_queue/song.rs

@@ -1,14 +1,17 @@
 mod imp {
+    use crate::playbin::Song as PlaybinSong;
+    use crate::signal::SignalHandler;
     use glib::{subclass::InitializingObject, WeakRef};
     use gtk::{gdk, gio, glib, prelude::*, subclass::prelude::*};
     use std::cell::{Cell, RefCell};
+    use std::rc::Rc;
+
+    type Playbin = crate::playbin2::Playbin<PlaybinSong>;
 
     #[derive(gtk::CompositeTemplate, glib::Properties, Default)]
     #[template(resource = "/eu/callcc/audrey/play_queue_song.ui")]
     #[properties(wrapper_type = super::Song)]
     pub struct Song {
-        pub(super) playbin: WeakRef<crate::Playbin>,
-
         #[property(set, get)]
         draggable: Cell<bool>,
         #[property(set, get)]
@@ -24,12 +27,13 @@ mod imp {
         #[property(set, get)]
         displayed_position: Cell<u32>,
         #[property(get, set)]
-        song: RefCell<Option<crate::playbin::Song>>,
-
-        pub(super) connection: Cell<Option<glib::SignalHandlerId>>,
+        song: RefCell<Option<PlaybinSong>>,
 
         drag_pos: Cell<(i32, i32)>,
         drag_widget: Cell<Option<gtk::ListBox>>,
+
+        pub(super) playbin: RefCell<Option<Rc<Playbin>>>,
+        pub(super) connection: Cell<SignalHandler>,
     }
 
     #[glib::object_subclass]
@@ -61,7 +65,7 @@ mod imp {
                         self_
                             .obj()
                             .playbin()
-                            .remove_track(self_.obj().displayed_position() - 1)
+                            .remove_entry(self_.obj().displayed_position() as usize - 1)
                     }
                 ))
                 .build();
@@ -169,10 +173,14 @@ mod imp {
     }
 }
 
+use crate::playbin::Song as PlaybinSong;
 use adw::prelude::*;
 use adw::subclass::prelude::*;
 use glib::Object;
 use gtk::glib;
+use std::rc::Rc;
+
+type Playbin = crate::playbin2::Playbin<PlaybinSong>;
 
 glib::wrapper! {
     pub struct Song(ObjectSubclass<imp::Song>)
@@ -181,36 +189,38 @@ glib::wrapper! {
 }
 
 impl Song {
-    pub fn new(playbin: &crate::Playbin) -> Self {
+    pub fn new(playbin: &Rc<Playbin>) -> Self {
         let song: Self = Object::new();
-        song.imp().playbin.set(Some(playbin));
+
+        assert!(song
+            .imp()
+            .playbin
+            .replace(Some(Rc::clone(playbin)))
+            .is_none()); // only set once
+
         song
     }
 
-    fn playbin(&self) -> crate::Playbin {
-        self.imp().playbin.upgrade().unwrap()
+    fn playbin(&self) -> Rc<Playbin> {
+        Rc::clone(self.imp().playbin.borrow().as_ref().unwrap())
     }
 
     pub fn bind(&self, position: u32, song: &crate::playbin::Song) {
         self.set_displayed_position(position + 1);
         self.set_song(song);
-        self.set_current(self.playbin().play_queue_position() == position);
+        self.set_current(self.playbin().current_entry() == Some(position as usize));
         self.imp()
             .connection
-            .replace(Some(self.playbin().connect_notify_local(
-                Some("play-queue-position"),
-                glib::clone!(
-                    #[weak(rename_to = self_)]
-                    self,
-                    move |playbin: &crate::Playbin, _| {
-                        self_.set_current(playbin.play_queue_position() == position)
-                    }
-                ),
-            )));
+            .replace(self.playbin().current_entry_changed().connect_object(
+                self,
+                move |playbin, song, ()| {
+                    song.set_current(playbin.current_entry() == Some(position as usize));
+                    true
+                },
+            ));
     }
 
     pub fn unbind(&self) {
-        self.playbin()
-            .disconnect(self.imp().connection.take().unwrap());
+        self.imp().connection.take().disconnect();
     }
 }

src/ui/window.rs

@@ -19,6 +19,9 @@ mod imp {
         #[template_child]
         pub(super) playbar: TemplateChild<crate::ui::Playbar>,
 
+        #[template_child]
+        pub(super) play_queue: TemplateChild<crate::ui::PlayQueue>,
+
         #[property(get, set)]
         playbin: RefCell<crate::Playbin>,
 
@@ -72,6 +75,8 @@ mod imp {
                 }
             }));
 
+            self.play_queue.set_playbin(&self.playbin2);
+
             // set up mpris
             let window = self.obj().clone();
             glib::spawn_future_local(async move {