1/*
2 * Copyright (C) 2013 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 * 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. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#include "config.h"
26
27#include "public/platform/WebMediaStream.h"
28
29#include "core/platform/UUID.h"
30#include "core/platform/mediastream/MediaStreamComponent.h"
31#include "core/platform/mediastream/MediaStreamDescriptor.h"
32#include "core/platform/mediastream/MediaStreamSource.h"
33#include "public/platform/WebMediaStreamSource.h"
34#include "public/platform/WebMediaStreamTrack.h"
35#include "public/platform/WebString.h"
36#include "wtf/OwnPtr.h"
37#include "wtf/PassOwnPtr.h"
38#include "wtf/Vector.h"
39
40using namespace WebCore;
41
42namespace WebKit {
43
44namespace {
45
46class ExtraDataContainer : public MediaStreamDescriptor::ExtraData {
47public:
48    ExtraDataContainer(WebMediaStream::ExtraData* extraData) : m_extraData(adoptPtr(extraData)) { }
49
50    WebMediaStream::ExtraData* extraData() { return m_extraData.get(); }
51
52private:
53    OwnPtr<WebMediaStream::ExtraData> m_extraData;
54};
55
56} // namespace
57
58WebMediaStream::WebMediaStream(const PassRefPtr<WebCore::MediaStreamDescriptor>& mediaStreamDescriptor)
59    : m_private(mediaStreamDescriptor)
60{
61}
62
63WebMediaStream::WebMediaStream(WebCore::MediaStreamDescriptor* mediaStreamDescriptor)
64    : m_private(mediaStreamDescriptor)
65{
66}
67
68void WebMediaStream::reset()
69{
70    m_private.reset();
71}
72
73WebString WebMediaStream::id() const
74{
75    return m_private->id();
76}
77
78WebMediaStream::ExtraData* WebMediaStream::extraData() const
79{
80    RefPtr<MediaStreamDescriptor::ExtraData> data = m_private->extraData();
81    if (!data)
82        return 0;
83    return static_cast<ExtraDataContainer*>(data.get())->extraData();
84}
85
86void WebMediaStream::setExtraData(ExtraData* extraData)
87{
88    m_private->setExtraData(adoptRef(new ExtraDataContainer(extraData)));
89}
90
91void WebMediaStream::audioTracks(WebVector<WebMediaStreamTrack>& webTracks) const
92{
93    size_t numberOfTracks = m_private->numberOfAudioComponents();
94    WebVector<WebMediaStreamTrack> result(numberOfTracks);
95    for (size_t i = 0; i < numberOfTracks; ++i)
96        result[i] = m_private->audioComponent(i);
97    webTracks.swap(result);
98}
99
100void WebMediaStream::videoTracks(WebVector<WebMediaStreamTrack>& webTracks) const
101{
102    size_t numberOfTracks = m_private->numberOfVideoComponents();
103    WebVector<WebMediaStreamTrack> result(numberOfTracks);
104    for (size_t i = 0; i < numberOfTracks; ++i)
105        result[i] = m_private->videoComponent(i);
106    webTracks.swap(result);
107}
108
109void WebMediaStream::addTrack(const WebMediaStreamTrack& track)
110{
111    ASSERT(!isNull());
112    m_private->addRemoteTrack(track);
113}
114
115void WebMediaStream::removeTrack(const WebMediaStreamTrack& track)
116{
117    ASSERT(!isNull());
118    m_private->removeRemoteTrack(track);
119}
120
121WebMediaStream& WebMediaStream::operator=(const PassRefPtr<WebCore::MediaStreamDescriptor>& mediaStreamDescriptor)
122{
123    m_private = mediaStreamDescriptor;
124    return *this;
125}
126
127WebMediaStream::operator PassRefPtr<WebCore::MediaStreamDescriptor>() const
128{
129    return m_private.get();
130}
131
132WebMediaStream::operator WebCore::MediaStreamDescriptor*() const
133{
134    return m_private.get();
135}
136
137void WebMediaStream::initialize(const WebVector<WebMediaStreamTrack>& audioTracks, const WebVector<WebMediaStreamTrack>& videoTracks)
138{
139    initialize(createCanonicalUUIDString(), audioTracks, videoTracks);
140}
141
142void WebMediaStream::initialize(const WebString& label, const WebVector<WebMediaStreamTrack>& audioTracks, const WebVector<WebMediaStreamTrack>& videoTracks)
143{
144    MediaStreamComponentVector audio, video;
145    for (size_t i = 0; i < audioTracks.size(); ++i) {
146        MediaStreamComponent* component = audioTracks[i];
147        audio.append(component);
148    }
149    for (size_t i = 0; i < videoTracks.size(); ++i) {
150        MediaStreamComponent* component = videoTracks[i];
151        video.append(component);
152    }
153    m_private = MediaStreamDescriptor::create(label, audio, video);
154}
155
156void WebMediaStream::assign(const WebMediaStream& other)
157{
158    m_private = other.m_private;
159}
160
161} // namespace WebKit
162