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      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 #ifndef _PHONE_CLIENT_ROSTERTASK_H_
     29 #define _PHONE_CLIENT_ROSTERTASK_H_
     30 
     31 #include "talk/xmpp/xmppclient.h"
     32 #include "talk/xmpp/xmpptask.h"
     33 #include "talk/app/rosteritem.h"
     34 #include "talk/base/sigslot.h"
     35 
     36 namespace buzz {
     37 
     38 class RosterTask : public XmppTask {
     39 public:
     40   RosterTask(Task * parent) :
     41     XmppTask(parent, XmppEngine::HL_TYPE) {}
     42 
     43   // Roster items removed or updated.  This can come from a push or a get
     44   sigslot::signal2<const RosterItem &, bool> SignalRosterItemUpdated;
     45   sigslot::signal1<const RosterItem &> SignalRosterItemRemoved;
     46 
     47   // Subscription messages
     48   sigslot::signal1<const Jid &> SignalSubscribe;
     49   sigslot::signal1<const Jid &> SignalUnsubscribe;
     50   sigslot::signal1<const Jid &> SignalSubscribed;
     51   sigslot::signal1<const Jid &> SignalUnsubscribed;
     52 
     53   // Roster get
     54   void RefreshRosterNow();
     55   sigslot::signal0<> SignalRosterRefreshStarted;
     56   sigslot::signal0<> SignalRosterRefreshFinished;
     57 
     58   virtual int ProcessStart();
     59 
     60 protected:
     61   void TranslateItems(const XmlElement *rosterQueryResult);
     62 
     63   virtual bool HandleStanza(const XmlElement * stanza);
     64 
     65   // Inner class for doing the roster get
     66   class RosterGetTask;
     67   friend class RosterGetTask;
     68 };
     69 
     70 }
     71 
     72 #endif // _PHONE_CLIENT_ROSTERTASK_H_
     73