podcasts/hammond-gtk/src/app.rs
2018-05-19 21:48:38 +01:00

344 lines
12 KiB
Rust

#![allow(new_without_default)]
use gio::{ApplicationExt, ApplicationExtManual, ApplicationFlags, Settings, SettingsExt, SimpleAction, SimpleActionExt, ActionMapExt};
use glib;
use gtk;
use gtk::prelude::*;
use gtk::SettingsExt as GtkSettingsExt;
use hammond_data::Podcast;
use hammond_data::{opml};
use appnotif::{InAppNotification, UndoState};
use headerbar::Header;
use settings::{self, WindowGeometry};
use stacks::{Content, PopulatedState};
use utils;
use widgets::{mark_all_notif, remove_show_notif};
use std::rc::Rc;
use std::sync::mpsc::{channel, Receiver, Sender};
use std::sync::Arc;
use rayon;
#[derive(Debug, Clone)]
pub enum Action {
RefreshAllViews,
RefreshEpisodesView,
RefreshEpisodesViewBGR,
RefreshShowsView,
ReplaceWidget(Arc<Podcast>),
RefreshWidgetIfSame(i32),
ShowWidgetAnimated,
ShowShowsAnimated,
HeaderBarShowTile(String),
HeaderBarNormal,
HeaderBarShowUpdateIndicator,
HeaderBarHideUpdateIndicator,
MarkAllPlayerNotification(Arc<Podcast>),
RemoveShow(Arc<Podcast>),
ErrorNotification(String),
}
#[derive(Debug)]
pub struct App {
app_instance: gtk::Application,
window: gtk::Window,
overlay: gtk::Overlay,
header: Rc<Header>,
content: Rc<Content>,
receiver: Receiver<Action>,
sender: Sender<Action>,
settings: Settings,
}
impl App {
pub fn new() -> App {
let settings = Settings::new("org.gnome.Hammond");
let application = gtk::Application::new("org.gnome.Hammond", ApplicationFlags::empty())
.expect("Application Initialization failed...");
// Weird magic I copy-pasted that sets the Application Name in the Shell.
glib::set_application_name("Hammond");
glib::set_prgname(Some("Hammond"));
let cleanup_date = settings::get_cleanup_date(&settings);
utils::cleanup(cleanup_date);
// Create the main window
let window = gtk::Window::new(gtk::WindowType::Toplevel);
window.set_title("Hammond");
let (sender, receiver) = channel();
window.connect_delete_event(clone!(application, settings, window => move |_, _| {
WindowGeometry::from_window(&window).write(&settings);
application.quit();
Inhibit(false)
}));
// Ideally a lot more than actions would happen in startup & window
// creation would be in activate
application.connect_startup(clone!(window, sender => move |app| {
let import = SimpleAction::new("import", None);
import.connect_activate(clone!(window, sender => move |_, _| on_import_clicked(&window, &sender)));
app.add_action(&import);
let about = SimpleAction::new("about", None);
// Should investigate use of active_window here
about.connect_activate(clone!(window => move |_, _| about_dialog(&window)));
app.add_action(&about);
let quit = SimpleAction::new("quit", None);
quit.connect_activate(clone!(app => move |_, _| app.quit()));
app.add_action(&quit);
}));
// Create a content instance
let content =
Rc::new(Content::new(sender.clone()).expect("Content Initialization failed."));
// Create the headerbar
let header = Rc::new(Header::new(&content, &window, &sender));
// Add the content main stack to the overlay.
let overlay = gtk::Overlay::new();
overlay.add(&content.get_stack());
// Add the overlay to the main window
window.add(&overlay);
App {
app_instance: application,
window,
overlay,
header,
content,
receiver,
sender,
settings,
}
}
fn setup_timed_callbacks(&self) {
self.setup_dark_theme();
self.setup_refresh_on_startup();
self.setup_auto_refresh();
}
fn setup_dark_theme(&self) {
let settings = gtk::Settings::get_default().unwrap();
let enabled = self.settings.get_boolean("dark-theme");
settings.set_property_gtk_application_prefer_dark_theme(enabled);
}
fn setup_refresh_on_startup(&self) {
// Update the feeds right after the Application is initialized.
if self.settings.get_boolean("refresh-on-startup") {
let sender = self.sender.clone();
info!("Refresh on startup.");
// The ui loads async, after initialization
// so we need to delay this a bit so it won't block
// requests that will come from loading the gui on startup.
gtk::timeout_add(1500, move || {
let s: Option<Vec<_>> = None;
utils::refresh(s, sender.clone());
glib::Continue(false)
});
}
}
fn setup_auto_refresh(&self) {
let refresh_interval = settings::get_refresh_interval(&self.settings).num_seconds() as u32;
let sender = self.sender.clone();
info!("Auto-refresh every {:?} seconds.", refresh_interval);
gtk::timeout_add_seconds(refresh_interval, move || {
let s: Option<Vec<_>> = None;
utils::refresh(s, sender.clone());
glib::Continue(true)
});
}
pub fn run(self) {
WindowGeometry::from_settings(&self.settings).apply(&self.window);
let window = self.window.clone();
self.app_instance.connect_startup(move |app| {
build_ui(&window, app);
});
self.setup_timed_callbacks();
let content = self.content;
let headerbar = self.header;
let sender = self.sender;
let overlay = self.overlay;
let receiver = self.receiver;
gtk::timeout_add(50, move || {
match receiver.try_recv() {
Ok(Action::RefreshAllViews) => content.update(),
Ok(Action::RefreshShowsView) => content.update_shows_view(),
Ok(Action::RefreshWidgetIfSame(id)) => content.update_widget_if_same(id),
Ok(Action::RefreshEpisodesView) => content.update_home(),
Ok(Action::RefreshEpisodesViewBGR) => content.update_home_if_background(),
Ok(Action::ReplaceWidget(pd)) => {
let shows = content.get_shows();
let mut pop = shows.borrow().populated();
pop.borrow_mut()
.replace_widget(pd.clone())
.map_err(|err| error!("Failed to update ShowWidget: {}", err))
.map_err(|_| error!("Failed ot update ShowWidget {}", pd.title()))
.ok();
}
Ok(Action::ShowWidgetAnimated) => {
let shows = content.get_shows();
let mut pop = shows.borrow().populated();
pop.borrow_mut().switch_visible(
PopulatedState::Widget,
gtk::StackTransitionType::SlideLeft,
);
}
Ok(Action::ShowShowsAnimated) => {
let shows = content.get_shows();
let mut pop = shows.borrow().populated();
pop.borrow_mut()
.switch_visible(PopulatedState::View, gtk::StackTransitionType::SlideRight);
}
Ok(Action::HeaderBarShowTile(title)) => headerbar.switch_to_back(&title),
Ok(Action::HeaderBarNormal) => headerbar.switch_to_normal(),
Ok(Action::HeaderBarShowUpdateIndicator) => headerbar.show_update_notification(),
Ok(Action::HeaderBarHideUpdateIndicator) => headerbar.hide_update_notification(),
Ok(Action::MarkAllPlayerNotification(pd)) => {
let notif = mark_all_notif(pd, &sender);
notif.show(&overlay);
}
Ok(Action::RemoveShow(pd)) => {
let notif = remove_show_notif(pd, sender.clone());
notif.show(&overlay);
}
Ok(Action::ErrorNotification(err)) => {
error!("An error notification was triggered: {}", err);
let callback = || glib::Continue(false);
let notif = InAppNotification::new(&err, callback, || {}, UndoState::Hidden);
notif.show(&overlay);
}
Err(_) => (),
}
Continue(true)
});
ApplicationExtManual::run(&self.app_instance, &[]);
}
}
fn build_ui(window: &gtk::Window, app: &gtk::Application) {
window.set_application(app);
window.show_all();
window.activate();
app.connect_activate(move |_| ());
}
// Totally copied it from fractal.
// https://gitlab.gnome.org/danigm/fractal/blob/503e311e22b9d7540089d735b92af8e8f93560c5/fractal-gtk/src/app.rs#L1883-1912
fn about_dialog(window: &gtk::Window) {
// Feel free to add yourself if you contribured.
let authors = &[
"Constantin Nickel",
"Gabriele Musco",
"James Wykeham-Martin",
"Jordan Petridis",
"Julian Sparber",
"Rowan Lewis",
"Zander Brown"
];
let dialog = gtk::AboutDialog::new();
// Waiting for a logo.
// dialog.set_logo_icon_name("org.gnome.Hammond");
dialog.set_logo_icon_name("multimedia-player");
dialog.set_comments("Podcast Client for the GNOME Desktop.");
dialog.set_copyright("© 2017, 2018 Jordan Petridis");
dialog.set_license_type(gtk::License::Gpl30);
dialog.set_modal(true);
// TODO: make it show it fetches the commit hash from which it was built
// and the version number is kept in sync automaticly
dialog.set_version("0.3.3");
dialog.set_program_name("Hammond");
// TODO: Need a wiki page first.
// dialog.set_website("https://wiki.gnome.org/Design/Apps/Potential/Podcasts");
// dialog.set_website_label("Learn more about Hammond");
dialog.set_transient_for(window);
dialog.set_artists(&["Tobias Bernard"]);
dialog.set_authors(authors);
dialog.show();
}
fn on_import_clicked(window: &gtk::Window, sender: &Sender<Action>) {
use glib::translate::ToGlib;
use gtk::{FileChooserAction, FileChooserDialog, FileFilter, ResponseType};
// let dialog = FileChooserDialog::new(title, Some(&window), FileChooserAction::Open);
// TODO: It might be better to use a FileChooserNative widget.
// Create the FileChooser Dialog
let dialog = FileChooserDialog::with_buttons(
Some("Select the file from which to you want to Import Shows."),
Some(window),
FileChooserAction::Open,
&[
("_Cancel", ResponseType::Cancel),
("_Open", ResponseType::Accept),
],
);
// Do not show hidden(.thing) files
dialog.set_show_hidden(false);
// Set a filter to show only xml files
let filter = FileFilter::new();
FileFilterExt::set_name(&filter, Some("OPML file"));
filter.add_mime_type("application/xml");
filter.add_mime_type("text/xml");
dialog.add_filter(&filter);
dialog.connect_response(clone!(sender => move |dialog, resp| {
debug!("Dialong Response {}", resp);
if resp == ResponseType::Accept.to_glib() {
// TODO: Show an in-app notifictaion if the file can not be accessed
if let Some(filename) = dialog.get_filename() {
debug!("File selected: {:?}", filename);
rayon::spawn(clone!(sender => move || {
// Parse the file and import the feeds
if let Ok(sources) = opml::import_from_file(filename) {
// Refresh the succesfully parsed feeds to index them
utils::refresh(Some(sources), sender)
} else {
let text = String::from("Failed to parse the Imported file");
sender.send(Action::ErrorNotification(text))
.map_err(|err| error!("Action Sender: {}", err))
.ok();
}
}))
} else {
let text = String::from("Selected File could not be accessed.");
sender.send(Action::ErrorNotification(text))
.map_err(|err| error!("Action Sender: {}", err))
.ok();
}
}
dialog.destroy();
}));
dialog.run();
}