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 // Fires a disco items query, such as the following example: 29 // 30 // <iq type='get' 31 // from='foo@gmail.com/asdf' 32 // to='bar@google.com' 33 // id='1234'> 34 // <query xmlns=' http://jabber.org/protocol/disco#items' 35 // node='blah '/> 36 // </iq> 37 // 38 // Sample response: 39 // 40 // <iq type='result' 41 // from=' hendriks@google.com' 42 // to='rsturgell@google.com/asdf' 43 // id='1234'> 44 // <query xmlns=' http://jabber.org/protocol/disco#items ' 45 // node='blah'> 46 // <item something='somethingelse'/> 47 // </query> 48 // </iq> 49 50 51 #ifndef _DISCOITEMSQUERYTASK_H_ 52 #define _DISCOITEMSQUERYTASK_H_ 53 54 #include "talk/xmpp/xmpptask.h" 55 56 namespace buzz { 57 58 class DiscoItemsQueryTask : public XmppTask { 59 public: 60 // TODO: Currently, this only supports one query stanza - we may eventually 61 // need it to support multiple 62 DiscoItemsQueryTask(Task* parent, const std::string node, const Jid& to); 63 64 virtual int ProcessStart(); 65 virtual int ProcessResponse(); 66 67 // On success, fires a signal with the jid we sent the query to and the inner 68 // XmlElement 69 sigslot::signal2<Jid, const XmlElement*> SignalGotDiscoItems; 70 71 // The XmlElement here is the error element under the error response. If the 72 // request just timed out then this will be NULL 73 sigslot::signal2<Jid, const XmlElement*> SignalDiscoItemsError; 74 75 protected: 76 virtual bool HandleStanza(const XmlElement* stanza); 77 virtual int OnTimeout(); 78 79 private: 80 // The jid we're querying 81 Jid to_; 82 // The name of the node 83 const std::string node_; 84 }; 85 86 } 87 88 #endif 89