1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/*
* 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) {
}
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 // TALK_XMPP_PUBSUBTASKS_H_
|
