28e2075280
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
59 lines
2.4 KiB
C++
59 lines
2.4 KiB
C++
/*
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* libjingle
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* Copyright 2011, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_XMPP_RECEIVETASK_H_
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#define TALK_XMPP_RECEIVETASK_H_
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#include "talk/xmpp/xmpptask.h"
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namespace buzz {
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// A base class for receiving stanzas. Override WantsStanza to
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// indicate that a stanza should be received and ReceiveStanza to
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// process it. Once started, ReceiveStanza will be called for all
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// stanzas that return true when passed to WantsStanza. This saves
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// you from having to remember how to setup the queueing and the task
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// states, etc.
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class ReceiveTask : public XmppTask {
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public:
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explicit ReceiveTask(XmppTaskParentInterface* parent) :
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XmppTask(parent, XmppEngine::HL_TYPE) {}
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virtual int ProcessStart();
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protected:
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virtual bool HandleStanza(const XmlElement* stanza);
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// Return true if the stanza should be received.
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virtual bool WantsStanza(const XmlElement* stanza) = 0;
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// Process the received stanza.
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virtual void ReceiveStanza(const XmlElement* stanza) = 0;
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};
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} // namespace buzz
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#endif // TALK_XMPP_RECEIVETASK_H_
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