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namespace AstalMpris {
/**
* Gets the default singleton Mpris instance.
*/
public Mpris get_default() {
return Mpris.get_default();
}
}
/**
* Object that monitors dbus for players to appear and disappear.
*/
public class AstalMpris.Mpris : Object {
internal static string PREFIX = "org.mpris.MediaPlayer2.";
private static Mpris instance;
private DBusImpl proxy;
/**
* Gets the default singleton Mpris instance.
*/
public static Mpris get_default() {
if (instance == null)
instance = new Mpris();
return instance;
}
private HashTable<string, Player> _players =
new HashTable<string, Player> (str_hash, str_equal);
/**
* List of currently available players.
*/
public List<weak Player> players { owned get { return _players.get_values(); } }
/**
* Emitted when a new mpris Player appears.
*/
public signal void player_added(Player player);
/**
* Emitted when a Player disappears.
*/
public signal void player_closed(Player player);
construct {
try {
proxy = Bus.get_proxy_sync(
BusType.SESSION,
"org.freedesktop.DBus",
"/org/freedesktop/DBus"
);
foreach (var busname in proxy.list_names()) {
if (busname.has_prefix(Mpris.PREFIX))
add_player(busname);
}
proxy.name_owner_changed.connect((name, old_owner, new_owner) => {
if (!name.has_prefix(Mpris.PREFIX))
return;
if (new_owner != "" && old_owner == "")
add_player(name);
});
} catch (Error error) {
critical(error.message);
}
}
private void add_player(string busname) {
var p = new Player(busname);
_players.set(busname, p);
p.closed.connect(() => {
player_closed(p);
_players.remove(busname);
notify_property("players");
});
player_added(p);
notify_property("players");
}
}
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