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 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
26 final Conversation muc = packet.getFrom() == null ? null : mXmppConnectionService.find(
27 account,
28 packet.getFrom().toBareJid());
29 if (muc != null) {
30 boolean before = muc.getMucOptions().online();
31 muc.getMucOptions().processPacket(packet, mPgpEngine);
32 if (before != muc.getMucOptions().online()) {
33 mXmppConnectionService.updateConversationUi();
34 }
35 mXmppConnectionService.getAvatarService().clear(muc);
36 }
37 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
38 final Conversation conversation = mXmppConnectionService.find(account,
39 packet.getFrom().toBareJid());
40 if (conversation != null) {
41 final MucOptions mucOptions = conversation.getMucOptions();
42 boolean before = mucOptions.online();
43 int count = mucOptions.getUsers().size();
44 mucOptions.processPacket(packet, mPgpEngine);
45 mXmppConnectionService.getAvatarService().clear(conversation);
46 if (before != mucOptions.online() || (mucOptions.online() && count != mucOptions.getUsers().size())) {
47 mXmppConnectionService.updateConversationUi();
48 }
49 }
50 }
51 }
52
53 public void parseContactPresence(PresencePacket packet, Account account) {
54 PresenceGenerator mPresenceGenerator = mXmppConnectionService
55 .getPresenceGenerator();
56 if (packet.getFrom() == null) {
57 return;
58 }
59 final Jid from = packet.getFrom();
60 String type = packet.getAttribute("type");
61 if (from.toBareJid().equals(account.getJid().toBareJid())) {
62 if (!from.isBareJid()) {
63 if (type == null) {
64 account.updatePresence(from.getResourcepart(),
65 Presences.parseShow(packet.findChild("show")));
66 } else if (type.equals("unavailable")) {
67 account.removePresence(from.getResourcepart());
68 account.deactivateGracePeriod();
69 }
70 }
71 } else {
72 Contact contact = account.getRoster().getContact(packet.getFrom());
73 if (type == null) {
74 String presence;
75 if (!from.isBareJid()) {
76 presence = from.getResourcepart();
77 } else {
78 presence = "";
79 }
80 int sizeBefore = contact.getPresences().size();
81 contact.updatePresence(presence,
82 Presences.parseShow(packet.findChild("show")));
83 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
84 if (pgp != null) {
85 Element x = packet.findChild("x", "jabber:x:signed");
86 if (x != null) {
87 Element status = packet.findChild("status");
88 String msg;
89 if (status != null) {
90 msg = status.getContent();
91 } else {
92 msg = "";
93 }
94 contact.setPgpKeyId(pgp.fetchKeyId(account, msg,
95 x.getContent()));
96 }
97 }
98 boolean online = sizeBefore < contact.getPresences().size();
99 updateLastseen(packet, account, true);
100 mXmppConnectionService.onContactStatusChanged
101 .onContactStatusChanged(contact, online);
102 } else if (type.equals("unavailable")) {
103 if (from.isBareJid()) {
104 contact.clearPresences();
105 } else {
106 contact.removePresence(from.getResourcepart());
107 }
108 mXmppConnectionService.onContactStatusChanged
109 .onContactStatusChanged(contact, false);
110 } else if (type.equals("subscribe")) {
111 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
112 mXmppConnectionService.sendPresencePacket(account,
113 mPresenceGenerator.sendPresenceUpdatesTo(contact));
114 } else {
115 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
116 }
117 }
118 Element nick = packet.findChild("nick",
119 "http://jabber.org/protocol/nick");
120 if (nick != null) {
121 contact.setPresenceName(nick.getContent());
122 }
123 }
124 mXmppConnectionService.updateRosterUi();
125 }
126
127 @Override
128 public void onPresencePacketReceived(Account account, PresencePacket packet) {
129 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
130 this.parseConferencePresence(packet, account);
131 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
132 this.parseConferencePresence(packet, account);
133 } else {
134 this.parseContactPresence(packet, account);
135 }
136 }
137
138}