28e2075280
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
76 lines
2.9 KiB
C++
76 lines
2.9 KiB
C++
/*
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* libjingle
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* Copyright 2004--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_PUBSUB_TASK_H_
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#define TALK_XMPP_PUBSUB_TASK_H_
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#include <map>
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#include <string>
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#include "talk/xmllite/xmlelement.h"
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#include "talk/xmpp/jid.h"
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#include "talk/xmpp/xmpptask.h"
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namespace buzz {
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// Base class to help write pubsub tasks.
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// In ProcessStart call SubscribeNode with namespaces of interest along with
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// NodeHandlers.
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// When pubsub notifications arrive and matches the namespace, the NodeHandlers
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// will be called back.
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class PubsubTask : public buzz::XmppTask {
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public:
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virtual ~PubsubTask();
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protected:
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typedef void (PubsubTask::*NodeHandler)(const buzz::XmlElement* node);
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PubsubTask(XmppTaskParentInterface* parent, const buzz::Jid& pubsub_node_jid);
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virtual bool HandleStanza(const buzz::XmlElement* stanza);
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virtual int ProcessResponse();
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bool SubscribeToNode(const std::string& pubsub_node, NodeHandler handler);
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void UnsubscribeFromNode(const std::string& pubsub_node);
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// Called when there is an error. Derived class can do what it needs to.
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virtual void OnPubsubError(const buzz::XmlElement* error_stanza);
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private:
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typedef std::map<std::string, NodeHandler> NodeSubscriptions;
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void HandlePubsubIqGetResponse(const buzz::XmlElement* pubsub_iq_response);
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void HandlePubsubEventMessage(const buzz::XmlElement* pubsub_event_message);
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void HandlePubsubItems(const buzz::XmlElement* items);
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buzz::Jid pubsub_node_jid_;
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NodeSubscriptions subscribed_nodes_;
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};
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} // namespace buzz
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#endif // TALK_XMPP_PUBSUB_TASK_H_
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