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.Presences;
8import eu.siacs.conversations.generator.PresenceGenerator;
9import eu.siacs.conversations.services.XmppConnectionService;
10import eu.siacs.conversations.xml.Element;
11import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
12import eu.siacs.conversations.xmpp.jid.Jid;
13import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
14
15public class PresenceParser extends AbstractParser implements
16 OnPresencePacketReceived {
17
18 public PresenceParser(XmppConnectionService service) {
19 super(service);
20 }
21
22 public void parseConferencePresence(PresencePacket packet, Account account) {
23 PgpEngine mPgpEngine = mXmppConnectionService.getPgpEngine();
24 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
25 final Conversation muc = mXmppConnectionService.find(account,
26 packet.getFrom().toBareJid());
27 if (muc != null) {
28 boolean before = muc.getMucOptions().online();
29 muc.getMucOptions().processPacket(packet, mPgpEngine);
30 if (before != muc.getMucOptions().online()) {
31 mXmppConnectionService.updateConversationUi();
32 }
33 mXmppConnectionService.getAvatarService().clear(muc);
34 }
35 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
36 final Conversation muc = mXmppConnectionService.find(account,
37 packet.getFrom().toBareJid());
38 if (muc != null) {
39 boolean before = muc.getMucOptions().online();
40 muc.getMucOptions().processPacket(packet, mPgpEngine);
41 if (before != muc.getMucOptions().online()) {
42 mXmppConnectionService.updateConversationUi();
43 }
44 mXmppConnectionService.getAvatarService().clear(muc);
45 }
46 }
47 }
48
49 public void parseContactPresence(PresencePacket packet, Account account) {
50 PresenceGenerator mPresenceGenerator = mXmppConnectionService
51 .getPresenceGenerator();
52 if (packet.getFrom() == null) {
53 return;
54 }
55 final Jid from = packet.getFrom();
56 String type = packet.getAttribute("type");
57 if (from.toBareJid().equals(account.getJid())) {
58 if (!from.getResourcepart().isEmpty()) {
59 if (type == null) {
60 account.updatePresence(from.getResourcepart(),
61 Presences.parseShow(packet.findChild("show")));
62 } else if (type.equals("unavailable")) {
63 account.removePresence(from.getResourcepart());
64 account.deactivateGracePeriod();
65 }
66 }
67 } else {
68 Contact contact = account.getRoster().getContact(packet.getFrom());
69 if (type == null) {
70 String presence;
71 if (!from.getResourcepart().isEmpty()) {
72 presence = from.getResourcepart();
73 } else {
74 presence = "";
75 }
76 int sizeBefore = contact.getPresences().size();
77 contact.updatePresence(presence,
78 Presences.parseShow(packet.findChild("show")));
79 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
80 if (pgp != null) {
81 Element x = packet.findChild("x", "jabber:x:signed");
82 if (x != null) {
83 Element status = packet.findChild("status");
84 String msg;
85 if (status != null) {
86 msg = status.getContent();
87 } else {
88 msg = "";
89 }
90 contact.setPgpKeyId(pgp.fetchKeyId(account, msg,
91 x.getContent()));
92 }
93 }
94 boolean online = sizeBefore < contact.getPresences().size();
95 updateLastseen(packet, account, true);
96 mXmppConnectionService.onContactStatusChanged
97 .onContactStatusChanged(contact, online);
98 } else if (type.equals("unavailable")) {
99 if (from.isBareJid()) {
100 contact.clearPresences();
101 } else {
102 contact.removePresence(from.getResourcepart());
103 }
104 mXmppConnectionService.onContactStatusChanged
105 .onContactStatusChanged(contact, false);
106 } else if (type.equals("subscribe")) {
107 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
108 mXmppConnectionService.sendPresencePacket(account,
109 mPresenceGenerator.sendPresenceUpdatesTo(contact));
110 } else {
111 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
112 }
113 }
114 Element nick = packet.findChild("nick",
115 "http://jabber.org/protocol/nick");
116 if (nick != null) {
117 contact.setPresenceName(nick.getContent());
118 }
119 }
120 mXmppConnectionService.updateRosterUi();
121 }
122
123 @Override
124 public void onPresencePacketReceived(Account account, PresencePacket packet) {
125 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
126 this.parseConferencePresence(packet, account);
127 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
128 this.parseConferencePresence(packet, account);
129 } else {
130 this.parseContactPresence(packet, account);
131 }
132 }
133
134}