1 /*
2 * libjingle
3 * Copyright 2004--2005, Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "talk/xmpp/constants.h"
29 #include "talk/examples/call/friendinvitesendtask.h"
30
31 namespace buzz {
32
33 XmppReturnStatus
Send(const Jid & user)34 FriendInviteSendTask::Send(const Jid& user) {
35 if (GetState() != STATE_INIT && GetState() != STATE_START)
36 return XMPP_RETURN_BADSTATE;
37
38 // Need to first add to roster, then subscribe to presence.
39 XmlElement* iq = new XmlElement(QN_IQ);
40 iq->AddAttr(QN_TYPE, STR_SET);
41 XmlElement* query = new XmlElement(QN_ROSTER_QUERY);
42 XmlElement* item = new XmlElement(QN_ROSTER_ITEM);
43 item->AddAttr(QN_JID, user.Str());
44 item->AddAttr(QN_NAME, user.node());
45 query->AddElement(item);
46 iq->AddElement(query);
47 QueueStanza(iq);
48
49 // Subscribe to presence
50 XmlElement* presence = new XmlElement(QN_PRESENCE);
51 presence->AddAttr(QN_TO, user.Str());
52 presence->AddAttr(QN_TYPE, STR_SUBSCRIBE);
53 XmlElement* invitation = new XmlElement(QN_INVITATION);
54 invitation->AddAttr(QN_INVITE_MESSAGE,
55 "I've been using Google Talk and thought you might like to try it out. "
56 "We can use it to call each other for free over the internet. Here's an "
57 "invitation to download Google Talk. Give it a try!");
58 presence->AddElement(invitation);
59 QueueStanza(presence);
60
61 return XMPP_RETURN_OK;
62 }
63
64 int
ProcessStart()65 FriendInviteSendTask::ProcessStart() {
66 const XmlElement* stanza = NextStanza();
67 if (stanza == NULL)
68 return STATE_BLOCKED;
69
70 if (SendStanza(stanza) != XMPP_RETURN_OK)
71 return STATE_ERROR;
72
73 return STATE_START;
74 }
75
76 }
77