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
33#if ENABLE(MEDIA_STREAM)
34
35#include "RTCSessionDescription.h"
36
37#include "Dictionary.h"
38#include "ExceptionCode.h"
39#include "RTCSessionDescriptionDescriptor.h"
40
41namespace WebCore {
42
43static bool verifyType(const String& type)
44{
45    return type == "offer" || type == "pranswer" || type == "answer";
46}
47
48PassRefPtr<RTCSessionDescription> RTCSessionDescription::create(const Dictionary& dictionary, ExceptionCode& ec)
49{
50    String type;
51    bool ok = dictionary.get("type", type);
52    if (!ok || !verifyType(type)) {
53        ec = TYPE_MISMATCH_ERR;
54        return 0;
55    }
56
57    String sdp;
58    ok = dictionary.get("sdp", sdp);
59    if (!ok || sdp.isEmpty()) {
60        ec = TYPE_MISMATCH_ERR;
61        return 0;
62    }
63
64    return adoptRef(new RTCSessionDescription(RTCSessionDescriptionDescriptor::create(type, sdp)));
65}
66
67PassRefPtr<RTCSessionDescription> RTCSessionDescription::create(PassRefPtr<RTCSessionDescriptionDescriptor> descriptor)
68{
69    ASSERT(descriptor);
70    return adoptRef(new RTCSessionDescription(descriptor));
71}
72
73RTCSessionDescription::RTCSessionDescription(PassRefPtr<RTCSessionDescriptionDescriptor> descriptor)
74    : m_descriptor(descriptor)
75{
76}
77
78RTCSessionDescription::~RTCSessionDescription()
79{
80}
81
82const String& RTCSessionDescription::type() const
83{
84    return m_descriptor->type();
85}
86
87void RTCSessionDescription::setType(const String& type, ExceptionCode& ec)
88{
89    if (verifyType(type))
90        m_descriptor->setType(type);
91    else
92        ec = TYPE_MISMATCH_ERR;
93}
94
95const String& RTCSessionDescription::sdp() const
96{
97    return m_descriptor->sdp();
98}
99
100void RTCSessionDescription::setSdp(const String& sdp, ExceptionCode& ec)
101{
102    m_descriptor->setSdp(sdp);
103}
104
105RTCSessionDescriptionDescriptor* RTCSessionDescription::descriptor()
106{
107    return m_descriptor.get();
108}
109
110} // namespace WebCore
111
112#endif // ENABLE(MEDIA_STREAM)
113