1/*
2 * Copyright (C) 2011, 2012 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 COMPUTER, 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 COMPUTER, 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(VIDEO_TRACK)
29
30#include "VideoTrackList.h"
31
32#include "EventNames.h"
33#include "VideoTrack.h"
34
35using namespace WebCore;
36
37VideoTrackList::VideoTrackList(HTMLMediaElement* element, ScriptExecutionContext* context)
38    : TrackListBase(element, context)
39{
40}
41
42VideoTrackList::~VideoTrackList()
43{
44}
45
46void VideoTrackList::append(PassRefPtr<VideoTrack> prpTrack)
47{
48    RefPtr<VideoTrack> track = prpTrack;
49
50    // Insert tracks in the media file order.
51    size_t index = track->inbandTrackIndex();
52    m_inbandTracks.insert(index, track);
53
54    ASSERT(!track->mediaElement() || track->mediaElement() == mediaElement());
55    track->setMediaElement(mediaElement());
56
57    scheduleAddTrackEvent(track.release());
58}
59
60VideoTrack* VideoTrackList::item(unsigned index) const
61{
62    if (index < m_inbandTracks.size())
63        return toVideoTrack(m_inbandTracks[index].get());
64
65    return 0;
66}
67
68VideoTrack* VideoTrackList::getTrackById(const AtomicString& id) const
69{
70    for (size_t i = 0; i < length(); ++i) {
71        VideoTrack* track = toVideoTrack(m_inbandTracks[i].get());
72        if (track->id() == id)
73            return track;
74    }
75    return 0;
76}
77
78long VideoTrackList::selectedIndex() const
79{
80    // 4.8.10.10.1 AudioTrackList and VideoTrackList objects
81    // The VideoTrackList.selectedIndex attribute must return the index of the
82    // currently selected track, if any. If the VideoTrackList object does not
83    // currently represent any tracks, or if none of the tracks are selected,
84    // it must instead return −1.
85    for (size_t i = 0; i < length(); ++i) {
86        VideoTrack* track = toVideoTrack(m_inbandTracks[i].get());
87        if (track->selected())
88            return i;
89    }
90    return -1;
91}
92
93const AtomicString& VideoTrackList::interfaceName() const
94{
95    return eventNames().interfaceForVideoTrackList;
96}
97
98#endif
99