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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/examples/call/mucinviterecvtask.h" | |
29 #include "webrtc/libjingle/xmpp/constants.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* | |
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* | |
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 | |
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 | |
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 | |
119 MucInviteRecvTask::ProcessStart() { | |
120 // We never queue anything so we are always blocked. | |
121 return STATE_BLOCKED; | |
122 } | |
123 | |
124 } | |
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