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 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 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