1/*
2 * Copyright (C) 2012 Google Inc. All rights reserved.
3 * Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies).
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer
13 *    in the documentation and/or other materials provided with the
14 *    distribution.
15 * 3. Neither the name of Google Inc. nor the names of its contributors
16 *    may be used to endorse or promote products derived from this
17 *    software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include "config.h"
33
34#if ENABLE(MEDIA_STREAM)
35
36#include "RTCSessionDescription.h"
37
38#include "Dictionary.h"
39#include "ExceptionCode.h"
40#include "RTCSessionDescriptionDescriptor.h"
41
42namespace WebCore {
43
44static bool verifyType(const String& type)
45{
46    return type == "offer" || type == "pranswer" || type == "answer";
47}
48
49PassRefPtr<RTCSessionDescription> RTCSessionDescription::create(const Dictionary& dictionary, ExceptionCode& ec)
50{
51    String type;
52    bool ok = dictionary.get("type", type);
53    if (ok && !verifyType(type)) {
54        ec = TYPE_MISMATCH_ERR;
55        return nullptr;
56    }
57
58    String sdp;
59    ok = dictionary.get("sdp", sdp);
60    if (ok && sdp.isEmpty()) {
61        ec = TYPE_MISMATCH_ERR;
62        return nullptr;
63    }
64
65    return adoptRef(new RTCSessionDescription(RTCSessionDescriptionDescriptor::create(type, sdp)));
66}
67
68PassRefPtr<RTCSessionDescription> RTCSessionDescription::create(PassRefPtr<RTCSessionDescriptionDescriptor> descriptor)
69{
70    ASSERT(descriptor);
71    return adoptRef(new RTCSessionDescription(descriptor));
72}
73
74RTCSessionDescription::RTCSessionDescription(PassRefPtr<RTCSessionDescriptionDescriptor> descriptor)
75    : m_descriptor(descriptor)
76{
77}
78
79RTCSessionDescription::~RTCSessionDescription()
80{
81}
82
83const String& RTCSessionDescription::type() const
84{
85    return m_descriptor->type();
86}
87
88void RTCSessionDescription::setType(const String& type, ExceptionCode& ec)
89{
90    if (verifyType(type))
91        m_descriptor->setType(type);
92    else
93        ec = TYPE_MISMATCH_ERR;
94}
95
96const String& RTCSessionDescription::sdp() const
97{
98    return m_descriptor->sdp();
99}
100
101void RTCSessionDescription::setSdp(const String& sdp)
102{
103    m_descriptor->setSdp(sdp);
104}
105
106RTCSessionDescriptionDescriptor* RTCSessionDescription::descriptor()
107{
108    return m_descriptor.get();
109}
110
111} // namespace WebCore
112
113#endif // ENABLE(MEDIA_STREAM)
114