1package eu.siacs.conversations.generator;
 2
 3import eu.siacs.conversations.entities.Account;
 4import eu.siacs.conversations.entities.Contact;
 5import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 6
 7public class PresenceGenerator {
 8
 9	private PresencePacket subscription(String type, Contact contact) {
10		PresencePacket packet = new PresencePacket();
11		packet.setAttribute("type", type);
12		packet.setAttribute("to", contact.getJid());
13		packet.setAttribute("from", contact.getAccount().getJid());
14		return packet;
15	}
16	
17	public PresencePacket requestPresenceUpdatesFrom(Contact contact) {
18		return subscription("subscribe", contact);
19	}
20
21	public PresencePacket stopPresenceUpdatesFrom(Contact contact) {
22		return subscription("unsubscribe", contact);
23	}
24
25	public PresencePacket stopPresenceUpdatesTo(Contact contact) {
26		return subscription("unsubscribed", contact);
27	}
28
29	public PresencePacket sendPresenceUpdatesTo(Contact contact) {
30		return subscription("subscribed", contact);
31	}
32
33	public PresencePacket sendPresence(Account account) {
34		PresencePacket packet = new PresencePacket();
35		packet.setAttribute("from", account.getFullJid());
36		String sig = account.getPgpSignature();
37		if (sig != null) {
38			packet.addChild("status").setContent("online");
39			packet.addChild("x", "jabber:x:signed").setContent(sig);
40		}
41		return packet;
42	}
43}