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

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2016-06-21 20:13:05 +00:00
/*
* Copyright 2011 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_PUBSUBTASKS_H_
#define WEBRTC_LIBJINGLE_XMPP_PUBSUBTASKS_H_
#include <vector>
#include "webrtc/libjingle/xmpp/iqtask.h"
#include "webrtc/libjingle/xmpp/receivetask.h"
#include "webrtc/base/sigslot.h"
namespace buzz {
// A PubSub itemid + payload. Useful for signaling items.
struct PubSubItem {
std::string itemid;
// The entire <item>, owned by the stanza handler. To keep a
// reference after handling, make a copy.
const XmlElement* elem;
};
// An IqTask which gets a <pubsub><items> for a particular jid and
// node, parses the items in the response and signals the items.
class PubSubRequestTask : public IqTask {
public:
PubSubRequestTask(XmppTaskParentInterface* parent,
const Jid& pubsubjid,
const std::string& node);
sigslot::signal2<PubSubRequestTask*,
const std::vector<PubSubItem>&> SignalResult;
// SignalError inherited by IqTask.
private:
virtual void HandleResult(const XmlElement* stanza);
};
// A ReceiveTask which listens for <event><items> of a particular
// pubsub JID and node and then signals them items.
class PubSubReceiveTask : public ReceiveTask {
public:
PubSubReceiveTask(XmppTaskParentInterface* parent,
const Jid& pubsubjid,
const std::string& node)
: ReceiveTask(parent),
pubsubjid_(pubsubjid),
node_(node) {
}
virtual int ProcessStart();
sigslot::signal2<PubSubReceiveTask*,
const std::vector<PubSubItem>&> SignalUpdate;
protected:
virtual bool WantsStanza(const XmlElement* stanza);
virtual void ReceiveStanza(const XmlElement* stanza);
private:
Jid pubsubjid_;
std::string node_;
};
// An IqTask which publishes a <pubsub><publish><item> to a particular
// pubsub jid and node.
class PubSubPublishTask : public IqTask {
public:
// Takes ownership of children
PubSubPublishTask(XmppTaskParentInterface* parent,
const Jid& pubsubjid,
const std::string& node,
const std::string& itemid,
const std::vector<XmlElement*>& children);
const std::string& itemid() const { return itemid_; }
sigslot::signal1<PubSubPublishTask*> SignalResult;
private:
// SignalError inherited by IqTask.
virtual void HandleResult(const XmlElement* stanza);
std::string itemid_;
};
// An IqTask which publishes a <pubsub><publish><retract> to a particular
// pubsub jid and node.
class PubSubRetractTask : public IqTask {
public:
PubSubRetractTask(XmppTaskParentInterface* parent,
const Jid& pubsubjid,
const std::string& node,
const std::string& itemid);
const std::string& itemid() const { return itemid_; }
sigslot::signal1<PubSubRetractTask*> SignalResult;
private:
// SignalError inherited by IqTask.
virtual void HandleResult(const XmlElement* stanza);
std::string itemid_;
};
} // namespace buzz
#endif // WEBRTC_LIBJINGLE_XMPP_PUBSUBTASKS_H_