2017-07-14 15:23:42 +00:00
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//! The notification subsystem.
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//!
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//! This subsystem utilizes libnotify to send notifications as popups
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//! to the desktop.
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2017-06-26 07:08:37 +00:00
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use app_state::*;
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2017-07-19 10:12:08 +00:00
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use audio::frontend::*;
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2017-06-26 07:08:37 +00:00
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use errors::*;
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use glib::prelude::*;
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use libnotify;
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use prefs::*;
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use std::cell::Cell;
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use std::rc::Rc;
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2017-07-14 15:23:42 +00:00
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/// An expression of our notification system. Holds all the relevant information
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/// needed by Gtk+ callbacks to interact with libnotify.
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2017-06-26 07:08:37 +00:00
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pub struct Notif {
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enabled: Cell<bool>,
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from_popup: Cell<bool>,
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from_tray: Cell<bool>,
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2017-07-13 22:27:46 +00:00
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from_hotkeys: Cell<bool>,
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2017-06-26 07:08:37 +00:00
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from_external: Cell<bool>,
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volume_notif: libnotify::Notification,
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text_notif: libnotify::Notification,
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}
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impl Notif {
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2017-07-14 15:23:42 +00:00
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/// Create a new notification instance from the current preferences.
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2017-07-13 22:27:46 +00:00
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/// This should only be done once at startup. This also initializes
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/// the libnotify system.
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2017-06-26 07:08:37 +00:00
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pub fn new(prefs: &Prefs) -> Result<Self> {
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2017-07-13 22:27:46 +00:00
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libnotify::init("PNMixer-rs")?;
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2017-06-26 07:08:37 +00:00
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let notif = Notif {
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enabled: Cell::new(false),
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from_popup: Cell::new(false),
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from_tray: Cell::new(false),
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2017-07-13 22:27:46 +00:00
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from_hotkeys: Cell::new(false),
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2017-06-26 07:08:37 +00:00
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from_external: Cell::new(false),
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volume_notif: libnotify::Notification::new("", None, None),
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text_notif: libnotify::Notification::new("", None, None),
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};
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2017-07-13 22:27:46 +00:00
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notif.reload(prefs);
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2017-06-26 07:08:37 +00:00
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return Ok(notif);
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}
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2017-07-14 15:23:42 +00:00
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/// Reload the notification instance from the current
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/// preferences.
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2017-07-13 22:27:46 +00:00
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pub fn reload(&self, prefs: &Prefs) {
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2017-06-26 07:08:37 +00:00
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let timeout = prefs.notify_prefs.notifcation_timeout;
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self.enabled.set(prefs.notify_prefs.enable_notifications);
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self.from_popup.set(prefs.notify_prefs.notify_popup);
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self.from_tray.set(prefs.notify_prefs.notify_mouse_scroll);
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2017-07-13 22:27:46 +00:00
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self.from_hotkeys.set(prefs.notify_prefs.notify_hotkeys);
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2017-06-26 07:08:37 +00:00
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self.from_external.set(prefs.notify_prefs.notify_external);
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self.volume_notif.set_timeout(timeout as i32);
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2017-07-19 10:12:08 +00:00
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self.volume_notif.set_hint(
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"x-canonical-private-synchronous",
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Some("".to_variant()),
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);
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2017-06-26 07:08:37 +00:00
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self.text_notif.set_timeout(timeout as i32);
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2017-07-19 10:12:08 +00:00
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self.text_notif.set_hint(
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"x-canonical-private-synchronous",
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Some("".to_variant()),
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);
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2017-06-26 07:08:37 +00:00
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}
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2017-07-14 15:23:42 +00:00
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/// Shows a volume notification, e.g. for volume or mute state change.
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2017-07-18 15:20:17 +00:00
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pub fn show_volume_notif<T>(&self, audio: &T) -> Result<()>
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2017-07-19 10:12:08 +00:00
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where
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T: AudioFrontend,
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2017-07-18 15:20:17 +00:00
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{
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let vol = audio.get_vol()?;
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2017-06-26 07:08:37 +00:00
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let vol_level = audio.vol_level();
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let icon = {
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match vol_level {
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VolLevel::Muted => "audio-volume-muted",
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VolLevel::Off => "audio-volume-off",
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VolLevel::Low => "audio-volume-low",
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VolLevel::Medium => "audio-volume-medium",
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VolLevel::High => "audio-volume-high",
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}
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};
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let summary = {
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match vol_level {
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VolLevel::Muted => String::from("Volume muted"),
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_ => {
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2017-07-19 10:12:08 +00:00
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format!(
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"{} ({})\nVolume: {}",
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audio.card_name()?,
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audio.chan_name()?,
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vol as i32
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)
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2017-06-26 07:08:37 +00:00
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}
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}
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};
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2017-07-19 10:12:08 +00:00
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self.volume_notif
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2017-07-22 14:24:32 +00:00
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.update(summary.as_str(), None, Some(icon))?;
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2017-07-19 10:12:08 +00:00
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self.volume_notif.set_hint(
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"value",
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Some((vol as i32).to_variant()),
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);
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2017-07-22 14:24:32 +00:00
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self.volume_notif.show()?;
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2017-06-26 07:08:37 +00:00
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return Ok(());
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}
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2017-07-14 15:23:42 +00:00
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/// Shows a text notification, e.g. for warnings or errors.
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2017-06-26 07:08:37 +00:00
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pub fn show_text_notif(&self, summary: &str, body: &str) -> Result<()> {
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2017-07-22 14:24:32 +00:00
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self.text_notif.update(summary, Some(body), None)?;
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self.text_notif.show()?;
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2017-06-26 07:08:37 +00:00
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return Ok(());
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}
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}
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2017-07-13 22:27:46 +00:00
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impl Drop for Notif {
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fn drop(&mut self) {
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libnotify::uninit();
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}
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}
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2017-06-26 07:08:37 +00:00
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2017-07-14 15:23:42 +00:00
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/// Initialize the notification subsystem.
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2017-07-18 15:20:17 +00:00
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pub fn init_notify<T>(appstate: Rc<AppS<T>>)
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2017-07-19 10:12:08 +00:00
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where
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T: AudioFrontend + 'static,
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2017-07-18 15:20:17 +00:00
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{
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2017-06-26 07:08:37 +00:00
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{
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/* connect handler */
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2017-10-10 06:43:08 +00:00
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// let apps = appstate.clone();
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// appstate.audio.connect_handler(Box::new(move |s, u| {
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// let notif = &apps.notif;
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// if notif.is_none() || !notif.as_ref().unwrap().enabled.get() {
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// return;
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// }
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// let notif = notif.as_ref().unwrap();
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// match (s,
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// u,
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// (notif.from_popup.get(),
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// notif.from_tray.get(),
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// notif.from_external.get(),
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// notif.from_hotkeys.get())) {
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// (AudioSignal::NoCard, _, _) => try_w!(notif.show_text_notif("No sound card", "No playable soundcard found")),
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// (AudioSignal::CardDisconnected, _, _) => try_w!(notif.show_text_notif("Soundcard disconnected", "Soundcard has been disconnected, reloading sound system...")),
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// (AudioSignal::CardError, _, _) => (),
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// (AudioSignal::ValuesChanged,
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// AudioUser::TrayIcon,
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// (_, true, _, _)) => try_w!(notif.show_volume_notif(apps.audio.as_ref())),
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// (AudioSignal::ValuesChanged,
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// AudioUser::Popup,
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// (true, _, _, _)) => try_w!(notif.show_volume_notif(apps.audio.as_ref())),
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// (AudioSignal::ValuesChanged,
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// AudioUser::Unknown,
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// (_, _, true, _)) => try_w!(notif.show_volume_notif(apps.audio.as_ref())),
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// (AudioSignal::ValuesChanged,
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// AudioUser::Hotkeys,
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// (_, _, _, true)) => try_w!(notif.show_volume_notif(apps.audio.as_ref())),
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// _ => (),
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// }
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// }));
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2017-06-26 07:08:37 +00:00
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}
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}
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