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Show some media metadata

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This commit is contained in:
Ian Douglas Scott 2021-08-26 13:22:33 -07:00
parent 1145729a9e
commit d28bbe2471
1 changed files with 112 additions and 23 deletions
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135
src/mpris.rs
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@ -1,7 +1,8 @@
use cascade::cascade;
use gtk4::{
gio,
gdk, gdk_pixbuf, gio,
glib::{self, clone},
pango,
prelude::*,
subclass::prelude::*,
};
@ -18,6 +19,9 @@ pub struct MprisControlsInner {
forward_button: DerefCell<gtk4::Button>,
dbus: OnceCell<DBus>,
players: RefCell<HashMap<String, Player>>,
picture: DerefCell<gtk4::Picture>,
title_label: DerefCell<gtk4::Label>,
artist_label: DerefCell<gtk4::Label>,
}
#[glib::object_subclass]
@ -33,6 +37,30 @@ impl ObjectSubclass for MprisControlsInner {
impl ObjectImpl for MprisControlsInner {
fn constructed(&self, obj: &MprisControls) {
let picture = cascade! {
gtk4::Picture::new();
..set_halign(gtk4::Align::Center);
..set_valign(gtk4::Align::Center);
..set_can_shrink(true);
..set_size_request(32, 32);
};
let title_label = cascade! {
gtk4::Label::new(None);
..set_ellipsize(pango::EllipsizeMode::End);
..set_max_width_chars(20);
..set_attributes(Some(&cascade! {
pango::AttrList::new();
..insert(pango::Attribute::new_weight(pango::Weight::Bold));
}));
};
let artist_label = cascade! {
gtk4::Label::new(None);
..set_ellipsize(pango::EllipsizeMode::End);
..set_max_width_chars(20);
};
let backward_button = cascade! {
gtk4::Button::from_icon_name(Some("media-skip-backward-symbolic"));
..connect_clicked(clone!(@strong obj => move |_| obj.call("Previous")));
@ -49,11 +77,18 @@ impl ObjectImpl for MprisControlsInner {
};
let box_ = cascade! {
gtk4::Box::new(gtk4::Orientation::Horizontal, 0);
gtk4::Box::new(gtk4::Orientation::Vertical, 0);
..set_parent(obj);
..append(&backward_button);
..append(&play_pause_button);
..append(&forward_button);
..append(&picture);
..append(&title_label);
..append(&artist_label);
..append(&cascade! {
gtk4::Box::new(gtk4::Orientation::Horizontal, 0);
..set_valign(gtk4::Align::Start);
..append(&backward_button);
..append(&play_pause_button);
..append(&forward_button);
});
};
glib::MainContext::default().spawn_local(clone!(@strong obj => async move {
@ -96,6 +131,9 @@ impl ObjectImpl for MprisControlsInner {
self.backward_button.set(backward_button);
self.play_pause_button.set(play_pause_button);
self.forward_button.set(forward_button);
self.picture.set(picture);
self.title_label.set(title_label);
self.artist_label.set(artist_label);
}
fn dispose(&self, _obj: &MprisControls) {
@ -133,18 +171,16 @@ impl MprisControls {
}
};
let status = player.playback_status();
let metadata = player.metadata().unwrap(); // XXX unwrap
let title = metadata.title();
let album = metadata.album();
let artist = metadata.artist();
let arturl = metadata.arturl();
println!("{:?}", (status, title, album, artist, arturl));
self.inner()
.players
.borrow_mut()
.insert(name.to_owned(), player);
.insert(name.to_owned(), player.clone());
player.connect_properties_changed(clone!(@weak self as self_ => move |_player| {
// TODO
self_.update();
}));
self.update();
}
fn player_removed(&self, name: &str) {
@ -160,6 +196,51 @@ impl MprisControls {
}
}));
}
async fn update_arturl(&self, arturl: Option<&str>) {
let pixbuf = async {
let file = gio::File::for_uri(&arturl?);
let stream = file.read_async_future(glib::PRIORITY_DEFAULT).await.ok()?;
gdk_pixbuf::Pixbuf::from_stream_at_scale_async_future(&stream, 256, 256, false)
.await
.ok()
}
.await;
if let Some(pixbuf) = pixbuf {
let texture = gdk::Texture::for_pixbuf(&pixbuf);
self.inner().picture.set_paintable(Some(&texture));
}
}
fn update(&self) {
let player = match self.player() {
Some(player) => player,
None => return,
};
// XXX status
let (_status, metadata) = match (player.playback_status(), player.metadata()) {
(Some(status), Some(metadata)) => (status, metadata),
_ => return,
};
let title = metadata.title().unwrap_or_else(|| String::new());
// XXX correct way to handle multiple?
let artist = metadata
.artist()
.and_then(|x| x.get(0).cloned())
.unwrap_or_else(|| String::new());
let _album = metadata.album(); // TODO
let arturl = metadata.arturl();
glib::MainContext::default().spawn_local(clone!(@strong self as self_ => async move {
self_.update_arturl(arturl.as_deref()).await;
}));
self.inner().title_label.set_label(&title);
self.inner().artist_label.set_label(&artist);
}
}
struct Metadata(glib::VariantDict);
@ -214,17 +295,22 @@ impl Player {
self.0.cached_property(prop)?.get()
}
fn connect_properties_changed<F: Fn() + 'static>(&self, f: F) {
fn connect_properties_changed<F: Fn(Self) + 'static>(&self, f: F) -> glib::SignalHandlerId {
let proxy = &self.0;
self.0
.connect_local("g-properties-changed", false, move |_| {
f();
None
})
.unwrap();
.connect_local(
"g-properties-changed",
false,
clone!(@weak proxy => @default-panic, move |_| {
f(Self(proxy));
None
}),
)
.unwrap()
}
fn playback_status(&self) -> Option<String> {
self.property("PlayBackStatus")
self.property("PlaybackStatus")
}
fn metadata(&self) -> Option<Metadata> {
@ -258,7 +344,10 @@ impl DBus {
.filter_map(|x| x.get::<String>()))
}
fn connect_name_owner_changed<F: Fn(String, String, String) + 'static>(&self, f: F) {
fn connect_name_owner_changed<F: Fn(String, String, String) + 'static>(
&self,
f: F,
) -> glib::SignalHandlerId {
self.0
.connect_local("g-signal", false, move |args| {
if &args[2].get::<String>().unwrap() == "NameOwnerChanged" {
@ -267,6 +356,6 @@ impl DBus {
}
None
})
.unwrap();
.unwrap()
}
}