1/*
2 * libjingle
3 * Copyright 2004--2005, Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <time.h>
29#include <sstream>
30#include "talk/xmpp/constants.h"
31#include "talk/xmpp/presenceouttask.h"
32#include "talk/xmpp/xmppclient.h"
33#include "webrtc/base/stringencode.h"
34
35namespace buzz {
36
37XmppReturnStatus
38PresenceOutTask::Send(const PresenceStatus & s) {
39  if (GetState() != STATE_INIT && GetState() != STATE_START)
40    return XMPP_RETURN_BADSTATE;
41
42  XmlElement * presence = TranslateStatus(s);
43  QueueStanza(presence);
44  delete presence;
45  return XMPP_RETURN_OK;
46}
47
48XmppReturnStatus
49PresenceOutTask::SendDirected(const Jid & j, const PresenceStatus & s) {
50  if (GetState() != STATE_INIT && GetState() != STATE_START)
51    return XMPP_RETURN_BADSTATE;
52
53  XmlElement * presence = TranslateStatus(s);
54  presence->AddAttr(QN_TO, j.Str());
55  QueueStanza(presence);
56  delete presence;
57  return XMPP_RETURN_OK;
58}
59
60XmppReturnStatus PresenceOutTask::SendProbe(const Jid & jid) {
61  if (GetState() != STATE_INIT && GetState() != STATE_START)
62    return XMPP_RETURN_BADSTATE;
63
64  XmlElement * presence = new XmlElement(QN_PRESENCE);
65  presence->AddAttr(QN_TO, jid.Str());
66  presence->AddAttr(QN_TYPE, "probe");
67
68  QueueStanza(presence);
69  delete presence;
70  return XMPP_RETURN_OK;
71}
72
73int
74PresenceOutTask::ProcessStart() {
75  const XmlElement * stanza = NextStanza();
76  if (stanza == NULL)
77    return STATE_BLOCKED;
78
79  if (SendStanza(stanza) != XMPP_RETURN_OK)
80    return STATE_ERROR;
81
82  return STATE_START;
83}
84
85XmlElement *
86PresenceOutTask::TranslateStatus(const PresenceStatus & s) {
87  XmlElement * result = new XmlElement(QN_PRESENCE);
88  if (!s.available()) {
89    result->AddAttr(QN_TYPE, STR_UNAVAILABLE);
90  }
91  else {
92    if (s.show() != PresenceStatus::SHOW_ONLINE &&
93        s.show() != PresenceStatus::SHOW_OFFLINE) {
94      result->AddElement(new XmlElement(QN_SHOW));
95      switch (s.show()) {
96        default:
97          result->AddText(STR_SHOW_AWAY, 1);
98          break;
99        case PresenceStatus::SHOW_XA:
100          result->AddText(STR_SHOW_XA, 1);
101          break;
102        case PresenceStatus::SHOW_DND:
103          result->AddText(STR_SHOW_DND, 1);
104          break;
105        case PresenceStatus::SHOW_CHAT:
106          result->AddText(STR_SHOW_CHAT, 1);
107          break;
108      }
109    }
110
111    result->AddElement(new XmlElement(QN_STATUS));
112    result->AddText(s.status(), 1);
113
114    if (!s.nick().empty()) {
115      result->AddElement(new XmlElement(QN_NICKNAME));
116      result->AddText(s.nick(), 1);
117    }
118
119    std::string pri;
120    rtc::ToString(s.priority(), &pri);
121
122    result->AddElement(new XmlElement(QN_PRIORITY));
123    result->AddText(pri, 1);
124
125    if (s.know_capabilities()) {
126      result->AddElement(new XmlElement(QN_CAPS_C, true));
127      result->AddAttr(QN_NODE, s.caps_node(), 1);
128      result->AddAttr(QN_VER, s.version(), 1);
129
130      std::string caps;
131      caps.append(s.voice_capability() ? "voice-v1" : "");
132      caps.append(s.pmuc_capability() ? " pmuc-v1" : "");
133      caps.append(s.video_capability() ? " video-v1" : "");
134      caps.append(s.camera_capability() ? " camera-v1" : "");
135
136      result->AddAttr(QN_EXT, caps, 1);
137    }
138
139    // Put the delay mark on the presence according to JEP-0091
140    {
141      result->AddElement(new XmlElement(kQnDelayX, true));
142
143      // This here is why we *love* the C runtime
144      time_t current_time_seconds;
145      time(&current_time_seconds);
146      struct tm* current_time = gmtime(&current_time_seconds);
147      char output[256];
148      strftime(output, ARRAY_SIZE(output), "%Y%m%dT%H:%M:%S", current_time);
149      result->AddAttr(kQnStamp, output, 1);
150    }
151  }
152
153  return result;
154}
155
156
157}
158