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using Gee;
using Xmpp.Core;
namespace Xmpp.Xep.ServiceDiscovery {
private const string NS_URI = "http://jabber.org/protocol/disco";
public const string NS_URI_INFO = NS_URI + "#info";
public const string NS_URI_ITEMS = NS_URI + "#items";
public class Module : XmppStreamModule, Iq.Handler {
public static ModuleIdentity<Module> IDENTITY = new ModuleIdentity<Module>(NS_URI, "0030_service_discovery_module");
public ArrayList<Identity> identities = new ArrayList<Identity>();
public Module.with_identity(string category, string type, string? name = null) {
add_identity(category, type, name);
}
public void add_feature(XmppStream stream, string feature) {
stream.get_flag(Flag.IDENTITY).add_own_feature(feature);
}
public void add_feature_notify(XmppStream stream, string feature) {
add_feature(stream, feature + "+notify");
}
public void add_identity(string category, string type, string? name = null) {
identities.add(new Identity(category, type, name));
}
public delegate void HasEntryCategoryRes(XmppStream stream, Gee.List<Identity>? identities);
public void get_entity_categories(XmppStream stream, string jid, owned HasEntryCategoryRes listener) {
Gee.List<Identity>? res = stream.get_flag(Flag.IDENTITY).get_entity_categories(jid);
if (res != null) listener(stream, res);
request_info(stream, jid, (stream, query_result) => {
listener(stream, query_result != null ? query_result.identities : null);
});
}
public delegate void OnInfoResult(XmppStream stream, InfoResult? query_result);
public void request_info(XmppStream stream, string jid, owned OnInfoResult listener) {
Iq.Stanza iq = new Iq.Stanza.get(new StanzaNode.build("query", NS_URI_INFO).add_self_xmlns());
iq.to = jid;
stream.get_module(Iq.Module.IDENTITY).send_iq(stream, iq, (stream, iq) => {
InfoResult? result = InfoResult.create_from_iq(iq);
stream.get_flag(Flag.IDENTITY).set_entity_features(iq.from, result != null ? result.features : null);
stream.get_flag(Flag.IDENTITY).set_entity_identities(iq.from, result != null ? result.identities : null);
listener(stream, result);
});
}
public delegate void OnItemsResult(XmppStream stream, ItemsResult query_result);
public void request_items(XmppStream stream, string jid, owned OnItemsResult listener) {
Iq.Stanza iq = new Iq.Stanza.get(new StanzaNode.build("query", NS_URI_ITEMS).add_self_xmlns());
iq.to = jid;
stream.get_module(Iq.Module.IDENTITY).send_iq(stream, iq, (stream, iq) => {
ItemsResult? result = ItemsResult.create_from_iq(iq);
stream.get_flag(Flag.IDENTITY).set_entity_items(iq.from, result != null ? result.items : null);
listener(stream, result);
});
}
public void on_iq_get(XmppStream stream, Iq.Stanza iq) {
StanzaNode? query_node = iq.stanza.get_subnode("query", NS_URI_INFO);
if (query_node != null) {
send_query_result(stream, iq);
}
}
public void on_iq_set(XmppStream stream, Iq.Stanza iq) { }
public override void attach(XmppStream stream) {
Iq.Module.require(stream);
stream.get_module(Iq.Module.IDENTITY).register_for_namespace(NS_URI_INFO, this);
stream.add_flag(new Flag());
add_feature(stream, NS_URI_INFO);
}
public override void detach(XmppStream stream) { }
public static void require(XmppStream stream) {
if (stream.get_module(IDENTITY) == null) stream.add_module(new ServiceDiscovery.Module());
}
public override string get_ns() { return NS_URI; }
public override string get_id() { return IDENTITY.id; }
private void send_query_result(XmppStream stream, Iq.Stanza iq_request) {
InfoResult query_result = new ServiceDiscovery.InfoResult(iq_request);
query_result.features = stream.get_flag(Flag.IDENTITY).features;
query_result.identities = identities;
stream.get_module(Iq.Module.IDENTITY).send_iq(stream, query_result.iq);
}
}
}
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