1/*
2 * Copyright (C) 2013 Apple 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 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27
28#if ENABLE(MEDIA_STREAM)
29
30#include "MediaStreamCapabilities.h"
31
32#include "AllAudioCapabilities.h"
33#include "AllVideoCapabilities.h"
34#include "CapabilityRange.h"
35#include "MediaSourceStates.h"
36#include "MediaStreamSourceCapabilities.h"
37
38namespace WebCore {
39
40RefPtr<MediaStreamCapabilities> MediaStreamCapabilities::create(PassRefPtr<MediaStreamSourceCapabilities> capabilities)
41{
42    if (capabilities->hasVideoSource())
43        return AllVideoCapabilities::create(capabilities);
44
45    return AllAudioCapabilities::create(capabilities);
46}
47
48MediaStreamCapabilities::MediaStreamCapabilities(PassRefPtr<MediaStreamSourceCapabilities> capabilities)
49    : m_SourceCapabilities(capabilities)
50{
51}
52
53Vector<String> MediaStreamCapabilities::sourceType() const
54{
55    ASSERT(m_SourceCapabilities->hasVideoSource());
56
57    size_t count = m_SourceCapabilities->sourceTypes().size();
58    if (!count)
59        return Vector<String>();
60
61    const Vector<MediaStreamSourceStates::SourceType>& sourceTypes = m_SourceCapabilities->sourceTypes();
62    Vector<String> capabilities;
63    capabilities.reserveCapacity(count);
64
65    for (size_t i = 0; i < count; ++i)
66        capabilities.append(MediaStreamSourceStates::sourceType(sourceTypes[i]));
67
68    return capabilities;
69}
70
71Vector<String> MediaStreamCapabilities::sourceId() const
72{
73    size_t count = m_SourceCapabilities->sourceId().size();
74    if (!count)
75        return Vector<String>();
76
77    const Vector<AtomicString>& sourceIds = m_SourceCapabilities->sourceId();
78    Vector<String> capabilities;
79    capabilities.reserveCapacity(count);
80
81    for (size_t i = 0; i < count; ++i)
82        capabilities.append(sourceIds[i]);
83
84    return capabilities;
85}
86
87Vector<String> MediaStreamCapabilities::facingMode() const
88{
89    ASSERT(m_SourceCapabilities->hasVideoSource());
90
91    size_t count = m_SourceCapabilities->facingModes().size();
92    if (!count)
93        return Vector<String>();
94
95    const Vector<MediaStreamSourceStates::VideoFacingMode>& facingModes = m_SourceCapabilities->facingModes();
96    Vector<String> capabilities;
97    capabilities.reserveCapacity(count);
98
99    for (size_t i = 0; i < count; ++i)
100        capabilities.append(MediaStreamSourceStates::facingMode(facingModes[i]));
101
102    return capabilities;
103}
104
105RefPtr<CapabilityRange> MediaStreamCapabilities::width() const
106{
107    ASSERT(m_SourceCapabilities->hasVideoSource());
108
109    return CapabilityRange::create(m_SourceCapabilities->width());
110}
111
112RefPtr<CapabilityRange> MediaStreamCapabilities::height() const
113{
114    ASSERT(m_SourceCapabilities->hasVideoSource());
115
116    return CapabilityRange::create(m_SourceCapabilities->height());
117}
118
119RefPtr<CapabilityRange> MediaStreamCapabilities::frameRate() const
120{
121    ASSERT(m_SourceCapabilities->hasVideoSource());
122
123    return CapabilityRange::create(m_SourceCapabilities->frameRate());
124}
125
126RefPtr<CapabilityRange> MediaStreamCapabilities::aspectRatio() const
127{
128    ASSERT(m_SourceCapabilities->hasVideoSource());
129
130    return CapabilityRange::create(m_SourceCapabilities->aspectRatio());
131}
132
133RefPtr<CapabilityRange> MediaStreamCapabilities::volume() const
134{
135    ASSERT(!m_SourceCapabilities->hasVideoSource());
136
137    return CapabilityRange::create(m_SourceCapabilities->volume());
138}
139
140} // namespace WebCore
141
142#endif
143