1 /* 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef THIRD_PARTY_LIBJINGLE_FILES_WEBRTC_LIBJINGLE_XMPP_PRESENCERECEIVETASK_H_ 12 #define THIRD_PARTY_LIBJINGLE_FILES_WEBRTC_LIBJINGLE_XMPP_PRESENCERECEIVETASK_H_ 13 14 #include "webrtc/base/sigslot.h" 15 16 #include "webrtc/libjingle/xmpp/presencestatus.h" 17 #include "webrtc/libjingle/xmpp/xmpptask.h" 18 19 namespace buzz { 20 21 // A task to receive presence status callbacks from the XMPP server. 22 class PresenceReceiveTask : public XmppTask { 23 public: 24 // Arguments: 25 // parent a reference to task interface associated withe the XMPP client. 26 explicit PresenceReceiveTask(XmppTaskParentInterface* parent); 27 28 // Shuts down the thread associated with this task. 29 virtual ~PresenceReceiveTask(); 30 31 // Starts pulling queued status messages and dispatching them to the 32 // PresenceUpdate() callback. 33 virtual int ProcessStart(); 34 35 // Slot for presence message callbacks 36 sigslot::signal1<const PresenceStatus&> PresenceUpdate; 37 38 protected: 39 // Called by the XMPP engine when presence stanzas are received from the 40 // server. 41 virtual bool HandleStanza(const XmlElement * stanza); 42 43 private: 44 // Handles presence stanzas by converting the data to PresenceStatus 45 // objects and passing those along to the SignalStatusUpadate() callback. 46 void HandlePresence(const Jid& from, const XmlElement * stanza); 47 48 // Extracts presence information for the presence stanza sent form the 49 // server. 50 static void DecodeStatus(const Jid& from, const XmlElement * stanza, 51 PresenceStatus* status); 52 }; 53 54 } // namespace buzz 55 56 #endif // THIRD_PARTY_LIBJINGLE_FILES_WEBRTC_LIBJINGLE_XMPP_PRESENCERECEIVETASK_H_ 57
