59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
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/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_LIBJINGLE_XMPP_PUBSUB_TASK_H_
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#define WEBRTC_LIBJINGLE_XMPP_PUBSUB_TASK_H_
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#include <map>
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#include <string>
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#include "webrtc/libjingle/xmllite/xmlelement.h"
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#include "webrtc/libjingle/xmpp/jid.h"
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#include "webrtc/libjingle/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 // WEBRTC_LIBJINGLE_XMPP_PUBSUB_TASK_H_
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