mostly translate play queue song widget

resources/play_queue_song.blp

@@ -110,8 +110,8 @@ template $AudreyUiPlayQueueSong: Box {
     actions: move;
     propagation-phase: capture;
 
-    prepare => $on_drag_prepare ();
-    drag-begin => $on_drag_begin ();
+    prepare => $on_drag_prepare () swapped;
+    drag-begin => $on_drag_begin () swapped;
   }
 
   DropTarget {
@@ -119,7 +119,7 @@ template $AudreyUiPlayQueueSong: Box {
     formats: "AudreyUiPlayQueueSong";
     preload: true;
 
-    drop => $on_drop ();
+    drop => $on_drop () swapped;
   }
 }
 

src/playbin.rs

@@ -1,10 +1,10 @@
-mod song;
+pub mod song;
 pub use song::Song;
 
 mod state;
 pub use state::State;
 
-mod ffi {
+pub mod ffi {
     use gtk::glib;
 
     #[repr(C)]
@@ -31,6 +31,15 @@ mod ffi {
         pub fn audrey_playbin_get_duration(self_: *mut AudreyPlaybin) -> f64;
         pub fn audrey_playbin_get_mute(self_: *mut AudreyPlaybin) -> glib::ffi::gboolean;
         pub fn audrey_playbin_set_mute(self_: *mut AudreyPlaybin, mute: glib::ffi::gboolean);
+        pub fn audrey_playbin_get_play_queue_position(
+            self_: *mut AudreyPlaybin,
+        ) -> std::ffi::c_uint;
+        pub fn audrey_playbin_move_track(
+            self_: *mut AudreyPlaybin,
+            from: std::ffi::c_uint,
+            to: std::ffi::c_uint,
+        );
+        pub fn audrey_playbin_remove_track(self_: *mut AudreyPlaybin, position: std::ffi::c_uint);
     }
 }
 
@@ -95,4 +104,16 @@ impl Playbin {
     pub fn set_mute(&self, mute: bool) {
         unsafe { ffi::audrey_playbin_set_mute(self.to_glib_none().0, mute.into_glib()) }
     }
+
+    pub fn play_queue_position(&self) -> u32 {
+        unsafe { ffi::audrey_playbin_get_play_queue_position(self.to_glib_none().0) }
+    }
+
+    pub fn move_track(&self, from: u32, to: u32) {
+        unsafe { ffi::audrey_playbin_move_track(self.to_glib_none().0, from, to) }
+    }
+
+    pub fn remove_track(&self, position: u32) {
+        unsafe { ffi::audrey_playbin_remove_track(self.to_glib_none().0, position) }
+    }
 }

src/playbin/song.rs

@@ -1,14 +1,14 @@
-mod ffi {
+pub mod ffi {
     use gtk::glib;
 
     #[repr(C)]
     pub struct AudreyPlaybinSong {
-        parent_instance: glib::gobject_ffi::GObject,
+        _data: [u8; 0],
     }
 
     #[repr(C)]
     pub struct AudreyPlaybinSongClass {
-        parent_class: glib::gobject_ffi::GObjectClass,
+        _data: [u8; 0],
     }
 
     extern "C" {

src/rust.h

@@ -1 +1,17 @@
-typedef struct _AudreyUiPlaybar AudreyUiPlaybar;
+#include <glib-object.h>
+#include <glib.h>
+
+// ui::playbar
+typedef void AudreyUiPlaybar;
+
+// ui::play_queue::Song
+typedef void AudreyUiPlayQueueSong;
+#define AUDREY_UI_TYPE_PLAY_QUEUE_SONG (audrey_ui_play_queue_song_get_type ())
+GType audrey_ui_play_queue_song_get_type(void);
+AudreyUiPlayQueueSong *audrey_ui_play_queue_song_new(void *playbin);
+void audrey_ui_play_queue_song_set_draggable(AudreyUiPlayQueueSong *self, gboolean draggable);
+void audrey_ui_play_queue_song_set_show_position(AudreyUiPlayQueueSong *self, gboolean show_position);
+void audrey_ui_play_queue_song_set_show_artist(AudreyUiPlayQueueSong *self, gboolean show_artist);
+void audrey_ui_play_queue_song_set_show_cover(AudreyUiPlayQueueSong *self, gboolean show_cover);
+void audrey_ui_play_queue_song_bind(AudreyUiPlayQueueSong *self, guint position, void *song);
+void audrey_ui_play_queue_song_unbind(AudreyUiPlayQueueSong *self);

src/rust.vapi

@@ -9,4 +9,18 @@ namespace Audrey {
         public int volume { get; set; }
     }
 
+    public class Ui.PlayQueueSong : Gtk.Box {
+        public bool draggable { get; set; }
+        public bool show_position { get; set; }
+        public bool show_artist { get; set; }
+        public bool show_cover { get; set; }
+        public bool current { get; set; }
+        public uint displayed_position { get; set; }
+        public PlaybinSong song { get; set; }
+
+        public PlayQueueSong (Playbin playbin);
+        public void bind (uint position, PlaybinSong song);
+        public void unbind ();
+    }
+
 }

src/ui.rs

@@ -6,3 +6,5 @@ pub use playbar::Playbar;
 
 mod setup;
 pub use setup::Setup;
+
+pub mod play_queue;

src/ui/play_queue.vala

@@ -1,116 +1,3 @@
-// song widget+drag behavior taken from gnome music
-
-[GtkTemplate (ui = "/eu/callcc/audrey/play_queue_song.ui")]
-class Audrey.Ui.PlayQueueSong : Gtk.Box {
-    public bool draggable { get; set; default = false; }
-    public bool show_position { get; set; default = false; }
-    public bool show_artist { get; set; default = false; }
-    public bool show_cover { get; set; default = false; }
-
-    private bool _current = false;
-    public bool current {
-        get { return _current; }
-        set {
-            this._current = value;
-            if (value) {
-                this.add_css_class ("playing");
-            } else {
-                this.remove_css_class ("playing");
-            }
-        }
-    }
-    public uint displayed_position { get; set; }
-    public PlaybinSong song { get; set; }
-
-    private weak 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.remove_track (this.displayed_position-1);
-        });
-        action_group.add_action (remove);
-
-        this.insert_action_group ("song", action_group);
-    }
-
-    private ulong connection;
-    public void bind (uint position, PlaybinSong 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;
-        });
-
-        song.need_cover_art ();
-    }
-
-    public void unbind () {
-        this.playbin.disconnect (this.connection);
-    }
-
-    [GtkCallback] private string format_duration (int duration) {
-        return "%02d:%02d".printf(duration/60, duration%60);
-    }
-
-    [GtkCallback] private string star_button_icon_name (DateTime? starred) {
-        return starred == null ? "non-starred" : "starred";
-    }
-
-    private double drag_x;
-    private double drag_y;
-
-    [GtkCallback] private Gdk.ContentProvider? on_drag_prepare (double x, double y) {
-        if (this.draggable) {
-            this.drag_x = x;
-            this.drag_y = y;
-            return new Gdk.ContentProvider.for_value (this);
-        }
-        else return null;
-    }
-
-    private Gtk.ListBox? drag_widget;
-
-    [GtkCallback] private void on_drag_begin (Gtk.DragSource source, Gdk.Drag drag) {
-        this.drag_widget = new Gtk.ListBox ();
-
-        var drag_row = new PlayQueueSong (this.playbin);
-        drag_row.draggable = false;
-        drag_row.show_position = this.show_position;
-        drag_row.show_artist = this.show_artist;
-        drag_row.show_cover = this.show_cover;
-        drag_row.current = false;
-        drag_row.displayed_position = this.displayed_position;
-        drag_row.song = this.song;
-        drag_row.set_size_request (this.get_width (), this.get_height ());
-
-        var drag_row_real = new Gtk.ListBoxRow ();
-        drag_row_real.child = drag_row;
-
-        this.drag_widget.append (drag_row_real);
-        this.drag_widget.drag_highlight_row (drag_row_real);
-
-        var drag_icon = Gtk.DragIcon.get_for_drag (drag);
-        drag_icon.set("child", this.drag_widget);
-        drag.set_hotspot ((int) this.drag_x, (int) this.drag_y);
-    }
-
-    [GtkCallback] private bool on_drop (Value value, double x, double y) {
-        this.drag_widget = null;
-        this.drag_x = 0.0;
-        this.drag_y = 0.0;
-
-        var source = value as PlayQueueSong;
-        debug ("dropped %u on %u", source.displayed_position, this.displayed_position);
-        this.playbin.move_track (source.displayed_position-1, this.displayed_position-1);
-        return false;
-    }
-}
-
 [GtkTemplate (ui = "/eu/callcc/audrey/play_queue.ui")]
 public class Audrey.Ui.PlayQueue : Adw.Bin {
     private weak Playbin _playbin;

src/ui/play_queue/song.rs

@@ -1,32 +1,35 @@
 mod imp {
-    use std::cell::RefCell;
-    //use crate::playbin;
-    use gtk::{glib, prelude::*, subclass::prelude::*};
+    use glib::{subclass::InitializingObject, WeakRef};
+    use gtk::{gdk, gio, glib, prelude::*, subclass::prelude::*};
+    use std::cell::{Cell, RefCell};
 
     #[derive(gtk::CompositeTemplate, glib::Properties, Default)]
     #[template(resource = "/eu/callcc/audrey/play_queue_song.ui")]
     #[properties(wrapper_type = super::Song)]
     pub struct Song {
-        #[property(get, set, default = false)]
-        draggable: RefCell<bool>,
-        #[property(get, set, default = false)]
-        show_position: RefCell<bool>,
-        #[property(get, set, default = false)]
-        show_artist: RefCell<bool>,
-        #[property(get, set, default = false)]
-        show_cover: RefCell<bool>,
-        #[property(get, set = Self::set_current, default = false)]
-        current: RefCell<bool>,
-        #[property(get, set)]
-        displayed_position: RefCell<u32>,
-        //#[property(get, set)]
-        //song: playbin::Song,
+        pub(super) playbin: RefCell<Option<WeakRef<crate::Playbin>>>,
 
-        //playbin: playbin::Playbin,
-        connection: RefCell<u64>,
-        drag_x: RefCell<f64>,
-        drag_y: RefCell<f64>,
-        drag_widget: RefCell<Option<gtk::ListBox>>,
+        #[property(set, get)]
+        draggable: Cell<bool>,
+        #[property(set, get)]
+        show_position: Cell<bool>,
+        #[property(set, get)]
+        show_artist: Cell<bool>,
+        #[property(set, get)]
+        show_cover: Cell<bool>,
+
+        #[property(set = Self::set_current, get)]
+        current: Cell<bool>,
+
+        #[property(set, get)]
+        displayed_position: Cell<u32>,
+        #[property(get, set)]
+        song: RefCell<Option<crate::playbin::Song>>,
+
+        pub(super) connection: Cell<Option<glib::SignalHandlerId>>,
+
+        drag_pos: Cell<(i32, i32)>,
+        drag_widget: Cell<Option<gtk::ListBox>>,
     }
 
     #[glib::object_subclass]
@@ -34,10 +37,40 @@ mod imp {
         const NAME: &'static str = "AudreyUiPlayQueueSong";
         type Type = super::Song;
         type ParentType = gtk::Box;
+
+        fn class_init(klass: &mut Self::Class) {
+            klass.bind_template();
+            klass.bind_template_callbacks();
+        }
+
+        fn instance_init(obj: &InitializingObject<Self>) {
+            obj.init_template();
+        }
     }
 
     #[glib::derived_properties]
-    impl ObjectImpl for Song {}
+    impl ObjectImpl for Song {
+        fn constructed(&self) {
+            self.parent_constructed();
+
+            let action_remove = gio::ActionEntry::builder("remove")
+                .activate(glib::clone!(
+                    #[weak(rename_to = self_)]
+                    self,
+                    move |_, _, _| {
+                        self_
+                            .obj()
+                            .playbin()
+                            .remove_track(self_.obj().displayed_position() - 1)
+                    }
+                ))
+                .build();
+
+            let actions = gio::SimpleActionGroup::new();
+            actions.add_action_entries([action_remove]);
+            self.obj().insert_action_group("song", Some(&actions));
+        }
+    }
 
     impl WidgetImpl for Song {}
 
@@ -46,16 +79,93 @@ mod imp {
     #[gtk::template_callbacks]
     impl Song {
         fn set_current(&self, value: bool) {
-            *self.current.borrow_mut() = value;
+            self.current.replace(value);
             if value {
                 self.obj().add_css_class("playing");
             } else {
                 self.obj().remove_css_class("playing");
             }
         }
+
+        #[template_callback]
+        fn format_duration(&self, duration: i64) -> String {
+            format!("{:02}:{:02}", duration / 60, duration % 60)
+        }
+
+        #[template_callback]
+        fn star_button_icon_name(
+            &self, /* TODO , starred: Option<&glib::DateTime> */
+        ) -> &'static str {
+            /* TODO
+            match starred {
+                None => "non-starred",
+                Some(_) => "starred",
+            } */
+            "non-starred"
+        }
+
+        // song widget+drag behavior taken from gnome music
+
+        #[template_callback]
+        fn on_drag_prepare(&self, x: f64, y: f64) -> Option<gdk::ContentProvider> {
+            if self.draggable.get() {
+                self.drag_pos.replace((x as i32, y as i32));
+                let value = self.obj().to_value();
+                Some(gdk::ContentProvider::for_value(&value))
+            } else {
+                None
+            }
+        }
+
+        #[template_callback]
+        fn on_drag_begin(&self, drag: &gdk::Drag) {
+            let drag_widget = gtk::ListBox::new();
+
+            let drag_row = super::Song::new(self.obj().playbin());
+            drag_row.set_draggable(false);
+            drag_row.set_show_position(self.obj().show_position());
+            drag_row.set_show_artist(self.obj().show_artist());
+            drag_row.set_show_cover(self.obj().show_cover());
+            drag_row.set_current(self.obj().current());
+            drag_row.set_displayed_position(self.obj().displayed_position());
+            drag_row.set_song(self.obj().song().unwrap());
+            drag_row.set_size_request(self.obj().width(), self.obj().height());
+
+            let drag_row_real = gtk::ListBoxRow::new();
+            drag_row_real.set_child(Some(&drag_row));
+
+            drag_widget.append(&drag_row_real);
+            drag_widget.drag_highlight_row(&drag_row_real);
+
+            let drag_icon = gtk::DragIcon::for_drag(drag);
+            drag_icon.set_child(Some(&drag_widget));
+            let (drag_x, drag_y) = self.drag_pos.get();
+            drag.set_hotspot(drag_x, drag_y);
+
+            self.drag_widget.replace(Some(drag_widget));
+        }
+
+        #[template_callback]
+        fn on_drop(&self, _value: glib::Value, _x: f64, _y: f64) -> bool {
+            /* FIXME: WrongValueType(ValueTypeMismatchError { actual: GValue, requested: AudreyUiPlayQueueSong })
+            let source: super::Song = value.get().unwrap();
+
+            source.imp().drag_widget.set(None);
+
+            self.obj().playbin().move_track(
+                source.displayed_position() - 1,
+                self.obj().displayed_position() - 1,
+            );
+
+            true */
+            false
+        }
     }
 }
 
+use adw::prelude::*;
+use adw::subclass::prelude::*;
+use glib::Object;
 use gtk::glib;
 
 glib::wrapper! {
@@ -63,3 +173,116 @@ glib::wrapper! {
         @extends gtk::Box, gtk::Widget,
         @implements gtk::Accessible, gtk::Buildable, gtk::ConstraintTarget, gtk::Orientable;
 }
+
+impl Song {
+    pub fn new(playbin: crate::Playbin) -> Self {
+        let song: Self = Object::new();
+        song.imp().playbin.replace(Some(playbin.downgrade()));
+        song
+    }
+
+    fn playbin(&self) -> crate::Playbin {
+        let playbin = self.imp().playbin.borrow();
+        let playbin = playbin.as_ref().unwrap(); // weak
+        playbin.upgrade().unwrap().clone() // strong
+    }
+
+    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.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)
+                    }
+                ),
+            )));
+    }
+
+    pub fn unbind(&self) {
+        self.playbin()
+            .disconnect(self.imp().connection.take().unwrap());
+    }
+}
+
+pub mod ffi {
+    use adw::prelude::*;
+    use glib::ffi::{gboolean, GType};
+    use glib::subclass::basic::InstanceStruct;
+    use glib::translate::{from_glib, from_glib_none, IntoGlib, IntoGlibPtr};
+    use gtk::glib;
+    use std::ffi::c_uint;
+
+    type AudreyUiPlayQueueSong = InstanceStruct<super::imp::Song>;
+
+    #[no_mangle]
+    extern "C" fn audrey_ui_play_queue_song_get_type() -> GType {
+        super::Song::static_type().into_glib()
+    }
+
+    #[no_mangle]
+    extern "C" fn audrey_ui_play_queue_song_new(
+        playbin: *mut crate::playbin::ffi::AudreyPlaybin,
+    ) -> *mut AudreyUiPlayQueueSong {
+        unsafe { super::Song::new(from_glib_none(playbin)).into_glib_ptr() }
+    }
+
+    #[no_mangle]
+    extern "C" fn audrey_ui_play_queue_song_set_draggable(
+        self_: *mut AudreyUiPlayQueueSong,
+        draggable: gboolean,
+    ) {
+        let self_: super::Song = unsafe { from_glib_none(self_) };
+        self_.set_draggable(unsafe { from_glib::<_, bool>(draggable) });
+    }
+
+    #[no_mangle]
+    extern "C" fn audrey_ui_play_queue_song_set_show_position(
+        self_: *mut AudreyUiPlayQueueSong,
+        show_position: gboolean,
+    ) {
+        let self_: super::Song = unsafe { from_glib_none(self_) };
+        self_.set_show_position(unsafe { from_glib::<_, bool>(show_position) });
+    }
+
+    #[no_mangle]
+    extern "C" fn audrey_ui_play_queue_song_set_show_artist(
+        self_: *mut AudreyUiPlayQueueSong,
+        show_artist: gboolean,
+    ) {
+        let self_: super::Song = unsafe { from_glib_none(self_) };
+        self_.set_show_artist(unsafe { from_glib::<_, bool>(show_artist) });
+    }
+
+    #[no_mangle]
+    extern "C" fn audrey_ui_play_queue_song_set_show_cover(
+        self_: *mut AudreyUiPlayQueueSong,
+        show_cover: gboolean,
+    ) {
+        let self_: super::Song = unsafe { from_glib_none(self_) };
+        self_.set_show_cover(unsafe { from_glib::<_, bool>(show_cover) });
+    }
+
+    #[no_mangle]
+    extern "C" fn audrey_ui_play_queue_song_bind(
+        self_: *mut AudreyUiPlayQueueSong,
+        position: c_uint,
+        song: *mut crate::playbin::song::ffi::AudreyPlaybinSong,
+    ) {
+        let self_: super::Song = unsafe { from_glib_none(self_) };
+        let song: crate::playbin::Song = unsafe { from_glib_none(song) };
+        self_.bind(position, &song);
+    }
+
+    #[no_mangle]
+    extern "C" fn audrey_ui_play_queue_song_unbind(self_: *mut AudreyUiPlayQueueSong) {
+        let self_: super::Song = unsafe { from_glib_none(self_) };
+        self_.unbind();
+    }
+}

src/ui/playbar.rs

@@ -191,14 +191,3 @@ glib::wrapper! {
         @extends adw::Bin, gtk::Widget,
         @implements gtk::Accessible, gtk::Buildable, gtk::ConstraintTarget;
 }
-
-mod ffi {
-    use glib::translate::IntoGlib;
-    use gtk::glib;
-    use gtk::prelude::*;
-
-    #[no_mangle]
-    pub extern "C" fn audrey_ui_playbar_get_type() -> glib::ffi::GType {
-        super::Playbar::static_type().into_glib()
-    }
-}