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/examples/call/friendinvitesendtask.h"
29#include "talk/xmpp/constants.h"
30
31namespace buzz {
32
33XmppReturnStatus
34FriendInviteSendTask::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
64int
65FriendInviteSendTask::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