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use adw::prelude::*;
use gtk::{gio, glib};
use relm4::prelude::*;
use crate::tracks::StreamIndex;
glib::wrapper! {
pub struct TrackInfo(ObjectSubclass<imp::TrackInfo>);
}
impl TrackInfo {
pub fn new(
stream_index: StreamIndex,
language: Option<&'static str>,
title: Option<String>,
) -> Self {
glib::Object::builder()
.property("stream-index", stream_index as i64)
.property("language", language.unwrap_or_default())
.property("title", title.unwrap_or_default())
.build()
}
pub fn get_stream_index(&self) -> StreamIndex {
let index: i64 = self.property("stream-index");
index as usize
}
}
mod imp {
use gtk::{glib, prelude::*, subclass::prelude::*};
use std::cell::RefCell;
#[derive(Default, glib::Properties)]
#[properties(wrapper_type = super::TrackInfo)]
pub struct TrackInfo {
#[property(get, set)]
stream_index: RefCell<i64>,
#[property(get, set)]
language: RefCell<String>,
#[property(get, set)]
title: RefCell<String>,
}
#[glib::object_subclass]
impl ObjectSubclass for TrackInfo {
const NAME: &'static str = "TrackInfo";
type Type = super::TrackInfo;
}
#[glib::derived_properties]
impl ObjectImpl for TrackInfo {}
}
pub struct TrackSelector {
track_list_model: gio::ListStore,
track_ix: Option<StreamIndex>,
}
pub struct TrackSelectorInit {
pub title: &'static str,
pub subtitle: Option<&'static str>,
}
#[derive(Debug)]
pub enum TrackSelectorMsg {
SetListModel(gio::ListStore),
}
#[derive(Debug)]
pub enum TrackSelectorOutput {
Changed(Option<StreamIndex>),
}
#[relm4::component(pub)]
impl SimpleComponent for TrackSelector {
type Init = TrackSelectorInit;
type Input = TrackSelectorMsg;
type Output = TrackSelectorOutput;
view! {
#[root]
#[name(primary_combo)]
adw::ComboRow {
set_title: init.title,
set_subtitle?: init.subtitle,
set_factory: Some(&track_factory),
#[watch]
set_model: Some(&model.track_list_model),
#[watch]
set_selected: model.track_ix.map_or(gtk::INVALID_LIST_POSITION, |ix| get_list_ix_from_stream_ix(&model.track_list_model, ix)),
connect_selected_notify[sender] => move |combo| {
let stream_index = get_stream_ix_from_combo(combo);
sender.output(TrackSelectorOutput::Changed(stream_index)).unwrap();
},
},
#[name(track_factory)]
gtk::SignalListItemFactory {
connect_setup => move |_, list_item| {
let list_item = list_item.downcast_ref::<gtk::ListItem>().unwrap();
let vbox = gtk::Box::new(gtk::Orientation::Vertical, 0);
let language_label = gtk::Label::new(None);
language_label.set_halign(gtk::Align::Start);
language_label.set_ellipsize(gtk::pango::EllipsizeMode::End);
let title_label = gtk::Label::new(None);
title_label.set_halign(gtk::Align::Start);
title_label.set_ellipsize(gtk::pango::EllipsizeMode::End);
title_label.add_css_class("subtitle");
vbox.append(&language_label);
vbox.append(&title_label);
list_item.set_child(Some(&vbox));
},
connect_bind => move |_, list_item| {
let list_item = list_item.downcast_ref::<gtk::ListItem>().unwrap();
let item = list_item.item().unwrap();
let track_info = item.downcast_ref::<TrackInfo>().unwrap();
let vbox = list_item.child().unwrap().downcast::<gtk::Box>().unwrap();
let language_label = vbox.first_child().unwrap().downcast::<gtk::Label>().unwrap();
let title_label = vbox.last_child().unwrap().downcast::<gtk::Label>().unwrap();
let language = track_info.language();
let title = track_info.title();
let language_text = if !language.is_empty() {
&language
} else {
"Unknown Language"
};
language_label.set_text(&language_text);
title_label.set_text(&title);
title_label.set_visible(!title.is_empty());
},
},
}
fn init(
init: Self::Init,
root: Self::Root,
sender: ComponentSender<Self>,
) -> ComponentParts<Self> {
let track_list_model = gio::ListStore::new::<TrackInfo>();
let model = Self {
track_list_model: track_list_model,
track_ix: None,
};
let widgets = view_output!();
ComponentParts { model, widgets }
}
fn update(&mut self, msg: Self::Input, _sender: ComponentSender<Self>) {
match msg {
TrackSelectorMsg::SetListModel(list_model) => {
self.track_list_model = list_model;
}
}
}
}
fn get_stream_ix_from_combo(combo: &adw::ComboRow) -> Option<StreamIndex> {
let ix = combo
.selected_item()?
.downcast_ref::<TrackInfo>()
.unwrap()
.get_stream_index();
Some(ix)
}
fn get_list_ix_from_stream_ix(list_model: &gio::ListStore, stream_ix: StreamIndex) -> u32 {
for i in 0..list_model.n_items() {
if let Some(item) = list_model.item(i) {
if let Some(track_info) = item.downcast_ref::<TrackInfo>() {
if track_info.get_stream_index() == stream_ix {
return i;
}
}
}
}
panic!("Stream index {} not found in list model", stream_ix);
}
|