1 /*
2 * Copyright (C) 2012 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * 3. Neither the name of Google Inc. nor the names of its contributors
15 * may be used to endorse or promote products derived from this
16 * software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "modules/mediastream/RTCSessionDescription.h"
33
34 #include "bindings/core/v8/Dictionary.h"
35 #include "bindings/core/v8/ExceptionState.h"
36 #include "core/dom/ExceptionCode.h"
37
38 namespace blink {
39
verifyType(const String & type)40 static bool verifyType(const String& type)
41 {
42 return type == "offer" || type == "pranswer" || type == "answer";
43 }
44
constructIllegalTypeExceptionMessage(const String & type)45 static String constructIllegalTypeExceptionMessage(const String& type)
46 {
47 return "Illegal value of attribute 'type' : " + type;
48 }
49
create(const Dictionary & descriptionInitDict,ExceptionState & exceptionState)50 RTCSessionDescription* RTCSessionDescription::create(const Dictionary& descriptionInitDict, ExceptionState& exceptionState)
51 {
52 String type;
53 bool ok = DictionaryHelper::get(descriptionInitDict, "type", type);
54 if (ok && !verifyType(type)) {
55 exceptionState.throwDOMException(TypeMismatchError, constructIllegalTypeExceptionMessage(type));
56 return nullptr;
57 }
58
59 String sdp;
60 DictionaryHelper::get(descriptionInitDict, "sdp", sdp);
61
62 return new RTCSessionDescription(WebRTCSessionDescription(type, sdp));
63 }
64
create(WebRTCSessionDescription webSessionDescription)65 RTCSessionDescription* RTCSessionDescription::create(WebRTCSessionDescription webSessionDescription)
66 {
67 return new RTCSessionDescription(webSessionDescription);
68 }
69
RTCSessionDescription(WebRTCSessionDescription webSessionDescription)70 RTCSessionDescription::RTCSessionDescription(WebRTCSessionDescription webSessionDescription)
71 : m_webSessionDescription(webSessionDescription)
72 {
73 }
74
type()75 String RTCSessionDescription::type()
76 {
77 return m_webSessionDescription.type();
78 }
79
setType(const String & type,ExceptionState & exceptionState)80 void RTCSessionDescription::setType(const String& type, ExceptionState& exceptionState)
81 {
82 if (verifyType(type))
83 m_webSessionDescription.setType(type);
84 else
85 exceptionState.throwDOMException(TypeMismatchError, constructIllegalTypeExceptionMessage(type));
86 }
87
sdp()88 String RTCSessionDescription::sdp()
89 {
90 return m_webSessionDescription.sdp();
91 }
92
setSdp(const String & sdp)93 void RTCSessionDescription::setSdp(const String& sdp)
94 {
95 m_webSessionDescription.setSDP(sdp);
96 }
97
webSessionDescription()98 WebRTCSessionDescription RTCSessionDescription::webSessionDescription()
99 {
100 return m_webSessionDescription;
101 }
102
103 } // namespace blink
104