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
38namespace blink {
39
40static bool verifyType(const String& type)
41{
42    return type == "offer" || type == "pranswer" || type == "answer";
43}
44
45static String constructIllegalTypeExceptionMessage(const String& type)
46{
47    return "Illegal value of attribute 'type' : " + type;
48}
49
50RTCSessionDescription* 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
65RTCSessionDescription* RTCSessionDescription::create(WebRTCSessionDescription webSessionDescription)
66{
67    return new RTCSessionDescription(webSessionDescription);
68}
69
70RTCSessionDescription::RTCSessionDescription(WebRTCSessionDescription webSessionDescription)
71    : m_webSessionDescription(webSessionDescription)
72{
73}
74
75String RTCSessionDescription::type()
76{
77    return m_webSessionDescription.type();
78}
79
80void 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
88String RTCSessionDescription::sdp()
89{
90    return m_webSessionDescription.sdp();
91}
92
93void RTCSessionDescription::setSdp(const String& sdp)
94{
95    m_webSessionDescription.setSDP(sdp);
96}
97
98WebRTCSessionDescription RTCSessionDescription::webSessionDescription()
99{
100    return m_webSessionDescription;
101}
102
103} // namespace blink
104