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 "talk/xmpp/constants.h"
29 #include "talk/examples/call/mucinviterecvtask.h"
30
31 namespace buzz {
32
33 const char* types[] = {
34 "unknown",
35 "audio",
36 "video",
37 };
38
39 const char* statuses[] = {
40 "unknown",
41 "sendrecv",
42 "sendonly",
43 "recvonly",
44 "inactive",
45 };
46
47 const char*
TypeAsString(type_t type)48 AvailableMediaEntry::TypeAsString(type_t type) {
49 // The values of the constants have been chosen such that this is correct.
50 return types[type];
51 }
52
53 const char*
StatusAsString(status_t status)54 AvailableMediaEntry::StatusAsString(status_t status) {
55 // The values of the constants have been chosen such that this is correct.
56 return statuses[status];
57 }
58
bodytext_to_array_pos(const XmlElement * elem,const char * array[],int len,int defval=-1)59 int bodytext_to_array_pos(const XmlElement* elem, const char* array[],
60 int len, int defval = -1) {
61 if (elem) {
62 const std::string& body(elem->BodyText());
63 for (int i = 0; i < len; ++i) {
64 if (body == array[i]) {
65 // Found it.
66 return i;
67 }
68 }
69 }
70 // If we get here, it's not any value in the array.
71 return defval;
72 }
73
74 bool
HandleStanza(const XmlElement * stanza)75 MucInviteRecvTask::HandleStanza(const XmlElement* stanza) {
76 // Figuring out that we want to handle this is a lot of the work of
77 // actually handling it, so we handle it right here instead of queueing it.
78 const XmlElement* xstanza;
79 const XmlElement* invite;
80 if (stanza->Name() != QN_MESSAGE) return false;
81 xstanza = stanza->FirstNamed(QN_MUC_USER_X);
82 if (!xstanza) return false;
83 invite = xstanza->FirstNamed(QN_MUC_USER_INVITE);
84 if (!invite) return false;
85 // Else it's an invite and we definitely want to handle it. Parse the
86 // available-media, if any.
87 std::vector<AvailableMediaEntry> v;
88 const XmlElement* avail =
89 invite->FirstNamed(QN_GOOGLE_MUC_USER_AVAILABLE_MEDIA);
90 if (avail) {
91 for (const XmlElement* entry = avail->FirstNamed(QN_GOOGLE_MUC_USER_ENTRY);
92 entry;
93 entry = entry->NextNamed(QN_GOOGLE_MUC_USER_ENTRY)) {
94 AvailableMediaEntry tmp;
95 // In the interest of debugging, we accept as much valid-looking data
96 // as we can.
97 tmp.label = atoi(entry->Attr(QN_LABEL).c_str());
98 tmp.type = static_cast<AvailableMediaEntry::type_t>(
99 bodytext_to_array_pos(
100 entry->FirstNamed(QN_GOOGLE_MUC_USER_TYPE),
101 types,
102 sizeof(types)/sizeof(const char*),
103 AvailableMediaEntry::TYPE_UNKNOWN));
104 tmp.status = static_cast<AvailableMediaEntry::status_t>(
105 bodytext_to_array_pos(
106 entry->FirstNamed(QN_GOOGLE_MUC_USER_STATUS),
107 statuses,
108 sizeof(statuses)/sizeof(const char*),
109 AvailableMediaEntry::STATUS_UNKNOWN));
110 v.push_back(tmp);
111 }
112 }
113 SignalInviteReceived(Jid(invite->Attr(QN_FROM)), Jid(stanza->Attr(QN_FROM)),
114 v);
115 return true;
116 }
117
118 int
ProcessStart()119 MucInviteRecvTask::ProcessStart() {
120 // We never queue anything so we are always blocked.
121 return STATE_BLOCKED;
122 }
123
124 }
125