rhubarb-lip-sync/lib/webrtc-8d2248ff/webrtc/libjingle/xmpp/pubsub_task.h

59 lines
1.9 KiB
C++

/*
* Copyright 2004 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_LIBJINGLE_XMPP_PUBSUB_TASK_H_
#define WEBRTC_LIBJINGLE_XMPP_PUBSUB_TASK_H_
#include <map>
#include <string>
#include "webrtc/libjingle/xmllite/xmlelement.h"
#include "webrtc/libjingle/xmpp/jid.h"
#include "webrtc/libjingle/xmpp/xmpptask.h"
namespace buzz {
// Base class to help write pubsub tasks.
// In ProcessStart call SubscribeNode with namespaces of interest along with
// NodeHandlers.
// When pubsub notifications arrive and matches the namespace, the NodeHandlers
// will be called back.
class PubsubTask : public buzz::XmppTask {
public:
virtual ~PubsubTask();
protected:
typedef void (PubsubTask::*NodeHandler)(const buzz::XmlElement* node);
PubsubTask(XmppTaskParentInterface* parent, const buzz::Jid& pubsub_node_jid);
virtual bool HandleStanza(const buzz::XmlElement* stanza);
virtual int ProcessResponse();
bool SubscribeToNode(const std::string& pubsub_node, NodeHandler handler);
void UnsubscribeFromNode(const std::string& pubsub_node);
// Called when there is an error. Derived class can do what it needs to.
virtual void OnPubsubError(const buzz::XmlElement* error_stanza);
private:
typedef std::map<std::string, NodeHandler> NodeSubscriptions;
void HandlePubsubIqGetResponse(const buzz::XmlElement* pubsub_iq_response);
void HandlePubsubEventMessage(const buzz::XmlElement* pubsub_event_message);
void HandlePubsubItems(const buzz::XmlElement* items);
buzz::Jid pubsub_node_jid_;
NodeSubscriptions subscribed_nodes_;
};
} // namespace buzz
#endif // WEBRTC_LIBJINGLE_XMPP_PUBSUB_TASK_H_