1package eu.siacs.conversations.parser;
2
3import eu.siacs.conversations.crypto.PgpEngine;
4import eu.siacs.conversations.entities.Account;
5import eu.siacs.conversations.entities.Contact;
6import eu.siacs.conversations.entities.Conversation;
7import eu.siacs.conversations.entities.MucOptions;
8import eu.siacs.conversations.entities.Presences;
9import eu.siacs.conversations.generator.PresenceGenerator;
10import eu.siacs.conversations.services.XmppConnectionService;
11import eu.siacs.conversations.xml.Element;
12import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
13import eu.siacs.conversations.xmpp.jid.Jid;
14import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
15
16public class PresenceParser extends AbstractParser implements
17 OnPresencePacketReceived {
18
19 public PresenceParser(XmppConnectionService service) {
20 super(service);
21 }
22
23 public void parseConferencePresence(PresencePacket packet, Account account) {
24 PgpEngine mPgpEngine = mXmppConnectionService.getPgpEngine();
25 final Conversation conversation = packet.getFrom() == null ? null : mXmppConnectionService.find(account, packet.getFrom().toBareJid());
26 if (conversation != null) {
27 final MucOptions mucOptions = conversation.getMucOptions();
28 boolean before = mucOptions.online();
29 int count = mucOptions.getUsers().size();
30 mucOptions.processPacket(packet, mPgpEngine);
31 mXmppConnectionService.getAvatarService().clear(conversation);
32 if (before != mucOptions.online() || (mucOptions.online() && count != mucOptions.getUsers().size())) {
33 mXmppConnectionService.updateConversationUi();
34 } else if (mucOptions.online()) {
35 mXmppConnectionService.updateMucRosterUi();
36 }
37 }
38 }
39
40 public void parseContactPresence(PresencePacket packet, Account account) {
41 PresenceGenerator mPresenceGenerator = mXmppConnectionService
42 .getPresenceGenerator();
43 if (packet.getFrom() == null) {
44 return;
45 }
46 final Jid from = packet.getFrom();
47 String type = packet.getAttribute("type");
48 Contact contact = account.getRoster().getContact(packet.getFrom());
49 if (type == null) {
50 String presence;
51 if (!from.isBareJid()) {
52 presence = from.getResourcepart();
53 } else {
54 presence = "";
55 }
56 int sizeBefore = contact.getPresences().size();
57 contact.updatePresence(presence,
58 Presences.parseShow(packet.findChild("show")));
59 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
60 if (pgp != null) {
61 Element x = packet.findChild("x", "jabber:x:signed");
62 if (x != null) {
63 Element status = packet.findChild("status");
64 String msg;
65 if (status != null) {
66 msg = status.getContent();
67 } else {
68 msg = "";
69 }
70 contact.setPgpKeyId(pgp.fetchKeyId(account, msg,
71 x.getContent()));
72 }
73 }
74 boolean online = sizeBefore < contact.getPresences().size();
75 updateLastseen(packet, account, false);
76 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
77 } else if (type.equals("unavailable")) {
78 if (from.isBareJid()) {
79 contact.clearPresences();
80 } else {
81 contact.removePresence(from.getResourcepart());
82 }
83 mXmppConnectionService.onContactStatusChanged
84 .onContactStatusChanged(contact, false);
85 } else if (type.equals("subscribe")) {
86 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
87 mXmppConnectionService.sendPresencePacket(account,
88 mPresenceGenerator.sendPresenceUpdatesTo(contact));
89 } else {
90 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
91 }
92 }
93 Element nick = packet.findChild("nick",
94 "http://jabber.org/protocol/nick");
95 if (nick != null) {
96 contact.setPresenceName(nick.getContent());
97 }
98 mXmppConnectionService.updateRosterUi();
99 }
100
101 @Override
102 public void onPresencePacketReceived(Account account, PresencePacket packet) {
103 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
104 this.parseConferencePresence(packet, account);
105 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
106 this.parseConferencePresence(packet, account);
107 } else {
108 this.parseContactPresence(packet, account);
109 }
110 }
111
112}