talk/examples/plus/rostertask.h

/*
 * libjingle
 * Copyright 2004--2005, Google Inc.
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#ifndef _PHONE_CLIENT_ROSTERTASK_H_
#define _PHONE_CLIENT_ROSTERTASK_H_

#include "talk/xmpp/xmppclient.h"
#include "talk/xmpp/xmpptask.h"
#include "talk/app/rosteritem.h"
#include "talk/base/sigslot.h"

namespace buzz {

class RosterTask : public XmppTask {
public:
  RosterTask(Task * parent) :
    XmppTask(parent, XmppEngine::HL_TYPE) {}

  // Roster items removed or updated.  This can come from a push or a get
  sigslot::signal2<const RosterItem &, bool> SignalRosterItemUpdated;
  sigslot::signal1<const RosterItem &> SignalRosterItemRemoved;

  // Subscription messages
  sigslot::signal1<const Jid &> SignalSubscribe;
  sigslot::signal1<const Jid &> SignalUnsubscribe;
  sigslot::signal1<const Jid &> SignalSubscribed;
  sigslot::signal1<const Jid &> SignalUnsubscribed;

  // Roster get
  void RefreshRosterNow();
  sigslot::signal0<> SignalRosterRefreshStarted;
  sigslot::signal0<> SignalRosterRefreshFinished;

  virtual int ProcessStart();

protected:
  void TranslateItems(const XmlElement *rosterQueryResult);

  virtual bool HandleStanza(const XmlElement * stanza);

  // Inner class for doing the roster get
  class RosterGetTask;
  friend class RosterGetTask;
};

}

#endif // _PHONE_CLIENT_ROSTERTASK_H_