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namespace AstalTray {
[DBus (name="org.kde.StatusNotifierWatcher")]
internal class StatusNotifierWatcher : Object {
private HashTable<string, string> _items =
new HashTable<string, string>(str_hash, str_equal);
public string[] RegisteredStatusNotifierItems { owned get { return _items.get_values_as_ptr_array().data; } }
public bool IsStatusNotifierHostRegistered { get; default = true; }
public int ProtocolVersion { get; default = 0; }
public signal void StatusNotifierItemRegistered(string service);
public signal void StatusNotifierItemUnregistered(string service);
public signal void StatusNotifierHostRegistered();
public signal void StatusNotifierHostUnregistered();
public void RegisterStatusNotifierItem(string service, BusName sender) throws DBusError, IOError {
string busName;
string path;
if (service[0] == '/') {
path = service;
busName = sender;
} else {
busName = service;
path = "/StatusNotifierItem";
}
Bus.get_sync(BusType.SESSION).signal_subscribe(
null,
"org.freedesktop.DBus",
"NameOwnerChanged",
null,
null,
DBusSignalFlags.NONE,
(connection, sender_name, path, interface_name, signal_name, parameters) => {
string name = null;
string new_owner = null;
string old_owner = null;
parameters.get("(sss)", &name, &old_owner, &new_owner);
if (new_owner == "" && _items.contains(old_owner)) {
string full_path = _items.take(old_owner);
StatusNotifierItemUnregistered(full_path);
}
}
);
_items.set(busName, busName+path);
StatusNotifierItemRegistered(busName+path);
}
public void RegisterStatusNotifierHost(string service) throws DBusError, IOError {
/* NOTE:
usually the watcher should keep track of registered host
but some tray applications do net register their trayitem properly
when hosts register/deregister. This is fixed by setting isHostRegistered
always to true, this also make host handling logic unneccessary.
*/
}
}
}
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