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 }
35 }
36 }
37
38 public void parseContactPresence(PresencePacket packet, Account account) {
39 PresenceGenerator mPresenceGenerator = mXmppConnectionService
40 .getPresenceGenerator();
41 if (packet.getFrom() == null) {
42 return;
43 }
44 final Jid from = packet.getFrom();
45 String type = packet.getAttribute("type");
46 if (from.toBareJid().equals(account.getJid().toBareJid())) {
47 if (!from.isBareJid()) {
48 if (type == null) {
49 account.updatePresence(from.getResourcepart(),
50 Presences.parseShow(packet.findChild("show")));
51 } else if (type.equals("unavailable")) {
52 account.removePresence(from.getResourcepart());
53 account.deactivateGracePeriod();
54 }
55 }
56 } else {
57 Contact contact = account.getRoster().getContact(packet.getFrom());
58 if (type == null) {
59 String presence;
60 if (!from.isBareJid()) {
61 presence = from.getResourcepart();
62 } else {
63 presence = "";
64 }
65 int sizeBefore = contact.getPresences().size();
66 contact.updatePresence(presence,
67 Presences.parseShow(packet.findChild("show")));
68 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
69 if (pgp != null) {
70 Element x = packet.findChild("x", "jabber:x:signed");
71 if (x != null) {
72 Element status = packet.findChild("status");
73 String msg;
74 if (status != null) {
75 msg = status.getContent();
76 } else {
77 msg = "";
78 }
79 contact.setPgpKeyId(pgp.fetchKeyId(account, msg,
80 x.getContent()));
81 }
82 }
83 boolean online = sizeBefore < contact.getPresences().size();
84 updateLastseen(packet, account, true);
85 mXmppConnectionService.onContactStatusChanged
86 .onContactStatusChanged(contact, online);
87 } else if (type.equals("unavailable")) {
88 if (from.isBareJid()) {
89 contact.clearPresences();
90 } else {
91 contact.removePresence(from.getResourcepart());
92 }
93 mXmppConnectionService.onContactStatusChanged
94 .onContactStatusChanged(contact, false);
95 } else if (type.equals("subscribe")) {
96 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
97 mXmppConnectionService.sendPresencePacket(account,
98 mPresenceGenerator.sendPresenceUpdatesTo(contact));
99 } else {
100 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
101 }
102 }
103 Element nick = packet.findChild("nick",
104 "http://jabber.org/protocol/nick");
105 if (nick != null) {
106 contact.setPresenceName(nick.getContent());
107 }
108 }
109 mXmppConnectionService.updateRosterUi();
110 }
111
112 @Override
113 public void onPresencePacketReceived(Account account, PresencePacket packet) {
114 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
115 this.parseConferencePresence(packet, account);
116 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
117 this.parseConferencePresence(packet, account);
118 } else {
119 this.parseContactPresence(packet, account);
120 }
121 }
122
123}