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/*
* libjingle
* Copyright 2011, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TALK_XMPP_PUBSUBTASKS_H_
#define TALK_XMPP_PUBSUBTASKS_H_
#include <vector>
#include "talk/base/sigslot.h"
#include "talk/xmpp/iqtask.h"
#include "talk/xmpp/receivetask.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) {
}
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 // TALK_XMPP_PUBSUBTASKS_H_