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use std::cell::RefCell;
use std::convert::TryInto;
use flatpak::functions::system_installations;
use flatpak::Installation;
use gtk::gio::Cancellable;
use gtk::prelude::*;
use gtk::subclass::prelude::*;
use gtk::{gio, glib};
use indexmap::map::IndexMap;
use crate::main::flatpak::installation::SkInstallation;
use crate::shared::flatpak::info::InstallationInfo;
mod imp {
use super::*;
#[derive(Debug, Default)]
pub struct SkInstallationModel {
pub map: RefCell<IndexMap<InstallationInfo, SkInstallation>>,
}
#[glib::object_subclass]
impl ObjectSubclass for SkInstallationModel {
const NAME: &'static str = "SkInstallationModel";
type Type = super::SkInstallationModel;
type Interfaces = (gio::ListModel,);
}
impl ObjectImpl for SkInstallationModel {
fn constructed(&self) {
self.parent_constructed();
let f_inst = Installation::new_system(Cancellable::NONE).unwrap();
let info = InstallationInfo::from(&f_inst);
self.add_info(&info);
let mut user_path = glib::home_dir();
user_path.push(".local");
user_path.push("share");
user_path.push("flatpak");
let file = gio::File::for_path(user_path);
let f_inst = Installation::for_path(&file, true, Cancellable::NONE).unwrap();
let info = InstallationInfo::from(&f_inst);
self.add_info(&info);
}
}
impl ListModelImpl for SkInstallationModel {
fn item_type(&self) -> glib::Type {
SkInstallation::static_type()
}
fn n_items(&self) -> u32 {
self.map.borrow().len() as u32
}
fn item(&self, position: u32) -> Option<glib::Object> {
self.map
.borrow()
.get_index(position.try_into().unwrap())
.map(|(_, o)| o.clone().upcast::<glib::Object>())
}
}
impl SkInstallationModel {
pub fn add_info(&self, info: &InstallationInfo) {
let pos = {
let mut map = self.map.borrow_mut();
if map.contains_key(info) {
return;
}
let sk_inst = SkInstallation::new(info);
map.insert(info.clone(), sk_inst);
(map.len() - 1) as u32
};
self.obj().items_changed(pos, 0, 1);
}
pub fn remove_info(&self, info: &InstallationInfo) {
let pos = {
let mut map = self.map.borrow_mut();
match map.get_index_of(info) {
Some(pos) => {
map.remove(info);
Some(pos)
}
None => {
warn!(
"Unable to remove installation {:?}, not found in model",
info.name
);
None
}
}
};
if let Some(pos) = pos {
self.obj().items_changed(pos.try_into().unwrap(), 1, 0);
}
}
}
}
glib::wrapper! {
pub struct SkInstallationModel(ObjectSubclass<imp::SkInstallationModel>) @implements gio::ListModel;
}
impl SkInstallationModel {
pub fn new() -> Self {
glib::Object::new()
}
pub fn refresh(&self) {
debug!("Refresh Flatpak installations...");
let imp = self.imp();
let extra_flatpak_installations = system_installations(Cancellable::NONE).unwrap();
let mut extra_infos = Vec::new();
for extra_flatpak_installation in extra_flatpak_installations {
let info = InstallationInfo::from(&extra_flatpak_installation);
imp.add_info(&info);
extra_infos.push(info);
}
let map = imp.map.borrow().clone();
for (info, sk_inst) in map.iter() {
if info.name != "user" && !extra_infos.contains(info) {
imp.remove_info(info);
} else {
sk_inst.refresh();
}
}
}
pub fn installation(&self, info: &InstallationInfo) -> Option<SkInstallation> {
self.imp().map.borrow().get(info).cloned()
}
pub fn preferred(&self) -> SkInstallation {
let imp = self.imp();
let map = imp.map.borrow();
let mut top_count = 0;
let mut preferred = None;
for sk_inst in map.values() {
let count = sk_inst.packages().n_items();
if count >= top_count {
top_count = count;
preferred = Some(sk_inst);
}
}
preferred.unwrap().clone()
}
}
impl Default for SkInstallationModel {
fn default() -> Self {
Self::new()
}
}