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 if (from.toBareJid().equals(account.getJid().toBareJid())) {
49 if (!from.isBareJid()) {
50 if (type == null) {
51 account.updatePresence(from.getResourcepart(),
52 Presences.parseShow(packet.findChild("show")));
53 } else if (type.equals("unavailable")) {
54 account.removePresence(from.getResourcepart());
55 account.deactivateGracePeriod();
56 }
57 }
58 } else {
59 Contact contact = account.getRoster().getContact(packet.getFrom());
60 if (type == null) {
61 String presence;
62 if (!from.isBareJid()) {
63 presence = from.getResourcepart();
64 } else {
65 presence = "";
66 }
67 int sizeBefore = contact.getPresences().size();
68 contact.updatePresence(presence,
69 Presences.parseShow(packet.findChild("show")));
70 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
71 if (pgp != null) {
72 Element x = packet.findChild("x", "jabber:x:signed");
73 if (x != null) {
74 Element status = packet.findChild("status");
75 String msg;
76 if (status != null) {
77 msg = status.getContent();
78 } else {
79 msg = "";
80 }
81 contact.setPgpKeyId(pgp.fetchKeyId(account, msg,
82 x.getContent()));
83 }
84 }
85 boolean online = sizeBefore < contact.getPresences().size();
86 updateLastseen(packet, account, true);
87 mXmppConnectionService.onContactStatusChanged
88 .onContactStatusChanged(contact, online);
89 } else if (type.equals("unavailable")) {
90 if (from.isBareJid()) {
91 contact.clearPresences();
92 } else {
93 contact.removePresence(from.getResourcepart());
94 }
95 mXmppConnectionService.onContactStatusChanged
96 .onContactStatusChanged(contact, false);
97 } else if (type.equals("subscribe")) {
98 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
99 mXmppConnectionService.sendPresencePacket(account,
100 mPresenceGenerator.sendPresenceUpdatesTo(contact));
101 } else {
102 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
103 }
104 }
105 Element nick = packet.findChild("nick",
106 "http://jabber.org/protocol/nick");
107 if (nick != null) {
108 contact.setPresenceName(nick.getContent());
109 }
110 }
111 mXmppConnectionService.updateRosterUi();
112 }
113
114 @Override
115 public void onPresencePacketReceived(Account account, PresencePacket packet) {
116 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
117 this.parseConferencePresence(packet, account);
118 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
119 this.parseConferencePresence(packet, account);
120 } else {
121 this.parseContactPresence(packet, account);
122 }
123 }
124
125}