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      1 /*
      2  * libjingle
      3  * Copyright 2012, 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/mucroomdiscoverytask.h"
     29 
     30 #include "talk/xmpp/constants.h"
     31 
     32 namespace buzz {
     33 
     34 MucRoomDiscoveryTask::MucRoomDiscoveryTask(
     35     XmppTaskParentInterface* parent,
     36     const Jid& room_jid)
     37     : IqTask(parent, STR_GET, room_jid,
     38              new buzz::XmlElement(buzz::QN_DISCO_INFO_QUERY)) {
     39 }
     40 
     41 void MucRoomDiscoveryTask::HandleResult(const XmlElement* stanza) {
     42   const XmlElement* query = stanza->FirstNamed(QN_DISCO_INFO_QUERY);
     43   if (query == NULL) {
     44     SignalError(this, NULL);
     45     return;
     46   }
     47 
     48   std::set<std::string> features;
     49   std::map<std::string, std::string> extended_info;
     50   const XmlElement* identity = query->FirstNamed(QN_DISCO_IDENTITY);
     51   if (identity == NULL || !identity->HasAttr(QN_NAME)) {
     52     SignalResult(this, false, "", "", features, extended_info);
     53     return;
     54   }
     55 
     56   const std::string name(identity->Attr(QN_NAME));
     57 
     58   // Get the conversation id
     59   const XmlElement* conversation =
     60       identity->FirstNamed(QN_GOOGLE_MUC_HANGOUT_CONVERSATION_ID);
     61   std::string conversation_id;
     62   if (conversation != NULL) {
     63     conversation_id = conversation->BodyText();
     64   }
     65 
     66   for (const XmlElement* feature = query->FirstNamed(QN_DISCO_FEATURE);
     67        feature != NULL; feature = feature->NextNamed(QN_DISCO_FEATURE)) {
     68     features.insert(feature->Attr(QN_VAR));
     69   }
     70 
     71   const XmlElement* data_x = query->FirstNamed(QN_XDATA_X);
     72   if (data_x != NULL) {
     73     for (const XmlElement* field = data_x->FirstNamed(QN_XDATA_FIELD);
     74          field != NULL; field = field->NextNamed(QN_XDATA_FIELD)) {
     75       const std::string key(field->Attr(QN_VAR));
     76       extended_info[key] = field->Attr(QN_XDATA_VALUE);
     77     }
     78   }
     79 
     80   SignalResult(this, true, name, conversation_id, features, extended_info);
     81 }
     82 
     83 }  // namespace buzz
     84