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namespace Dino {
[DBus (name = "org.freedesktop.Notifications")]
public interface DBusNotifications : GLib.Object {
public signal void action_invoked(uint32 key, string action_key);
public signal void notification_closed (uint32 id, uint32 reason);
public abstract async uint32 notify(string app_name, uint32 replaces_id, string app_icon, string summary,
string body, string[] actions, HashTable<string, Variant> hints, int32 expire_timeout) throws DBusError, IOError;
public abstract async void get_capabilities(out string[] capabilities) throws Error;
public abstract async void close_notification(uint id) throws DBusError, IOError;
public abstract async void get_server_information(out string name, out string vendor, out string version, out string spec_version) throws DBusError, IOError;
}
// This function will always return. Sometimes Glib.Bus.get_proxy doesn't return, but this function covers that with a timeout.
// Returns null if the dbus notifications interface can't be obtained (if timeout or exception)
public static async DBusNotifications? get_notifications_dbus() {
DBusNotifications? ret = null;
Cancellable cancellable = new Cancellable();
uint timeout_handle_id = 0;
timeout_handle_id = Timeout.add_seconds(10, () => {
if (timeout_handle_id != 0) {
warning("Timeout waiting for org.freedesktop.Notifications DBus instance");
timeout_handle_id = 0;
cancellable.cancel();
Idle.add(get_notifications_dbus.callback);
}
return false;
});
Bus.get_proxy.begin<DBusNotifications>(BusType.SESSION, "org.freedesktop.Notifications", "/org/freedesktop/Notifications", 0, cancellable, (_, res) => {
try {
ret = Bus.get_proxy.end(res);
} catch(IOError e) {
warning("Couldn't get org.freedesktop.Notifications DBus instance: %s", e.message);
}
if (timeout_handle_id != 0) {
Source.remove(timeout_handle_id);
timeout_handle_id = 0;
Idle.add(get_notifications_dbus.callback);
}
});
yield;
return ret;
}
}
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