1 /* 2 * Copyright 2011 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 WEBRTC_LIBJINGLE_XMPP_RECEIVETASK_H_ 12 #define WEBRTC_LIBJINGLE_XMPP_RECEIVETASK_H_ 13 14 #include "webrtc/libjingle/xmpp/xmpptask.h" 15 16 namespace buzz { 17 18 // A base class for receiving stanzas. Override WantsStanza to 19 // indicate that a stanza should be received and ReceiveStanza to 20 // process it. Once started, ReceiveStanza will be called for all 21 // stanzas that return true when passed to WantsStanza. This saves 22 // you from having to remember how to setup the queueing and the task 23 // states, etc. 24 class ReceiveTask : public XmppTask { 25 public: 26 explicit ReceiveTask(XmppTaskParentInterface* parent) : 27 XmppTask(parent, XmppEngine::HL_TYPE) {} 28 virtual int ProcessStart(); 29 30 protected: 31 virtual bool HandleStanza(const XmlElement* stanza); 32 33 // Return true if the stanza should be received. 34 virtual bool WantsStanza(const XmlElement* stanza) = 0; 35 // Process the received stanza. 36 virtual void ReceiveStanza(const XmlElement* stanza) = 0; 37 }; 38 39 } // namespace buzz 40 41 #endif // WEBRTC_LIBJINGLE_XMPP_RECEIVETASK_H_ 42
