audrey/src/ui/window.rs

mod imp {
    use crate::mpv;
    use adw::prelude::*;
    use adw::subclass::prelude::*;
    use glib::subclass::InitializingObject;
    use gtk::{gdk, glib};
    use std::cell::{Cell, RefCell};
    use std::rc::Rc;

    #[derive(gtk::CompositeTemplate, glib::Properties, Default)]
    #[template(resource = "/eu/callcc/audrey/window.ui")]
    #[properties(wrapper_type = super::Window)]
    pub struct Window {
        #[template_child]
        pub(super) playbar: TemplateChild<crate::ui::Playbar>,

        #[property(get, set)]
        playbin: RefCell<crate::Playbin>,

        #[property(get, set, default = false)]
        can_click_shuffle_all: Cell<bool>,

        #[property(get, set, nullable)]
        playing_cover_art: RefCell<Option<gdk::Paintable>>,

        #[property(get, set, nullable)]
        song: RefCell<Option<crate::playbin::Song>>,

        pub(super) setup: crate::ui::Setup,
        pub(super) api: RefCell<Option<crate::subsonic_vala::Client>>,
        pub(super) mpv: Rc<RefCell<mpv::Handle>>,
    }

    #[glib::object_subclass]
    impl ObjectSubclass for Window {
        const NAME: &'static str = "AudreyUiWindow";
        type Type = super::Window;
        type ParentType = adw::ApplicationWindow;

        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 Window {
        fn constructed(&self) {
            self.parent_constructed();

            // set up mpv
            let mpv = self.mpv.borrow();
            mpv.set_property("audio-client-name", "audrey").unwrap();
            mpv.set_property("user-agent", crate::USER_AGENT).unwrap();
            mpv.set_property("video", false).unwrap();
            mpv.set_property("prefetch-playlist", true).unwrap();
            mpv.set_property("gapless-audio", true).unwrap();
            // TODO: observe properties

            mpv.command(["loadfile", "https://www.youtube.com/watch?v=19y8YTbvri8"])
                .unwrap();

            let mpv_weak = Rc::downgrade(&self.mpv);
            glib::spawn_future_local(async move {
                loop {
                    let mpv = match mpv_weak.upgrade() {
                        Some(mpv) => mpv,
                        None => break,
                    };
                    {
                        let mut mpv_ref = mpv.borrow_mut();
                        let listener = mpv_ref.wakeup_listener();
                        while let Some(event) = mpv_ref.wait_event(0.0) {
                            println!("mpv event {:?}", event);
                        }
                        listener
                    }
                    .await
                }
            });

            // set up mpris
            let window = self.obj().clone();
            glib::spawn_future_local(async move {
                let conn = zbus::connection::Builder::session()
                    .expect("could not connect to the session bus")
                    .internal_executor(false)
                    .build()
                    .await
                    .expect("could not build connection to the session bus");

                // run this in glib's main loop
                glib::spawn_future_local(glib::clone!(
                    #[strong]
                    conn,
                    async move {
                        loop {
                            conn.executor().tick().await;
                        }
                    }
                ));

                crate::Mpris::setup(conn.object_server(), &window)
                    .await
                    .expect("could not serve mpris");
                crate::mpris::Player::setup(conn.object_server(), &window.playbin())
                    .await
                    .expect("could not serve mpris player");

                drop(window); // don't keep this alive

                // always set up handlers before requesting service name
                conn.request_name("org.mpris.MediaPlayer2.audrey")
                    .await
                    .expect("could not register name in session bus");
            });
        }
    }

    impl WidgetImpl for Window {}

    impl WindowImpl for Window {}

    impl ApplicationWindowImpl for Window {}

    impl AdwApplicationWindowImpl for Window {}

    #[gtk::template_callbacks]
    impl Window {
        #[template_callback]
        fn show_playbar_cover_art(&self, stack_child: Option<&str>) -> bool {
            stack_child != Some("play-queue")
        }

        #[template_callback]
        async fn shuffle_all(&self) {
            /*
            this.can_click_shuffle_all = false;
            this.playbin.clear ();
            api.get_random_songs.begin (null, (song) => {
                this.playbin.append_track (song);
            }, (obj, res) => {
                try {
                    api.get_random_songs.end (res);
                } catch (Error e) {
                    error ("could not get random songs: %s", e.message);
                }
                this.can_click_shuffle_all = true;

                this.playbin.select_track (0);
            });*/
            todo!()
        }

        #[template_callback]
        fn show_setup_dialog(&self) {
            self.setup.present(Some(self.obj().as_ref()));
        }

        pub(super) fn now_playing(&self, _song: &crate::playbin::Song) {
            /*
            this.song = song;
            // api.scrobble.begin (this.song.id); TODO

            if (this.cancel_loading_art != null) {
                this.cancel_loading_art.cancel ();
            }
            this.cancel_loading_art = new GLib.Cancellable ();

            this.playing_cover_art = null; // TODO: preload next art somehow
            this.cover_art_loading = true;

            string song_id = this.song.id;
            this.api.cover_art.begin (song_id, -1, Priority.DEFAULT, this.cancel_loading_art, (obj, res) => {
                try {
                    this.playing_cover_art = Gdk.Texture.for_pixbuf (this.api.cover_art.end (res));
                    this.cover_art_loading = false;
                } catch (Error e) {
                    if (!(e is IOError.CANCELLED)) {
                        warning ("could not load cover for %s: %s", song_id, e.message);
                        this.cover_art_loading = false;
                    }
                }
            });
                */
            todo!()
        }
    }

    impl Drop for Window {
        fn drop(&mut self) {
            println!("dropping AudreyUiWindow");
            self.mpv.borrow().command(["quit"]).unwrap();
        }
    }
}

use adw::prelude::*;
use adw::subclass::prelude::*;
use gtk::{gdk, gio, glib};

glib::wrapper! {
    pub struct Window(ObjectSubclass<imp::Window>)
        @extends adw::ApplicationWindow, gtk::ApplicationWindow, gtk::Window, gtk::Widget,
        @implements gio::ActionGroup, gio::ActionMap, gtk::Accessible, gtk::Buildable, gtk::ConstraintTarget, gtk::Native, gtk::Root, gtk::ShortcutManager;
}

impl Window {
    pub fn new(app: &impl IsA<gtk::Application>) -> Self {
        let window: Self = glib::Object::builder().property("application", app).build();

        window
            .playbin()
            .bind_property("volume", &*window.imp().playbar, "volume")
            .bidirectional()
            .sync_create()
            .build();

        window.imp().setup.connect_closure(
            "connected",
            false,
            glib::closure_local!(
                #[weak]
                window,
                move |_setup: crate::ui::Setup, api: crate::subsonic_vala::Client| {
                    window.imp().api.replace(Some(api.clone()));
                    window.playbin().set_api(&api);
                    window.set_can_click_shuffle_all(true);
                }
            ),
        );
        window.imp().setup.load();

        window.playbin().connect_closure(
            "new-track",
            false,
            glib::closure_local!(
                #[weak]
                window,
                move |_playbin: crate::Playbin, song: crate::playbin::Song| {
                    window.imp().now_playing(&song);
                }
            ),
        );

        window.playbin().connect_closure(
            "stopped",
            false,
            glib::closure_local!(
                #[weak]
                window,
                move |_playbin: crate::Playbin| {
                    window.set_playing_cover_art(None::<gdk::Paintable>);
                    window.set_song(None::<crate::playbin::Song>);
                }
            ),
        );

        window
    }
}