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 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(VIDEO_TRACK)
29
30#include "AudioTrackList.h"
31
32#include "AudioTrack.h"
33
34namespace WebCore {
35
36AudioTrackList::AudioTrackList(HTMLMediaElement* element, ScriptExecutionContext* context)
37 : TrackListBase(element, context)
38{
39}
40
41AudioTrackList::~AudioTrackList() = default;
42
43void AudioTrackList::append(Ref<AudioTrack>&& track)
44{
45 // Insert tracks in the media file order.
46 size_t index = track->inbandTrackIndex();
47 size_t insertionIndex;
48 for (insertionIndex = 0; insertionIndex < m_inbandTracks.size(); ++insertionIndex) {
49 auto& otherTrack = downcast<AudioTrack>(*m_inbandTracks[insertionIndex]);
50 if (otherTrack.inbandTrackIndex() > index)
51 break;
52 }
53 m_inbandTracks.insert(insertionIndex, track.ptr());
54
55
56 ASSERT(!track->mediaElement() || track->mediaElement() == mediaElement());
57 track->setMediaElement(mediaElement());
58
59 scheduleAddTrackEvent(WTFMove(track));
60}
61
62AudioTrack* AudioTrackList::item(unsigned index) const
63{
64 if (index < m_inbandTracks.size())
65 return downcast<AudioTrack>(m_inbandTracks[index].get());
66 return nullptr;
67}
68
69AudioTrack* AudioTrackList::getTrackById(const AtomicString& id) const
70{
71 for (auto& inbandTrack : m_inbandTracks) {
72 auto& track = downcast<AudioTrack>(*inbandTrack);
73 if (track.id() == id)
74 return &track;
75 }
76 return nullptr;
77}
78
79EventTargetInterface AudioTrackList::eventTargetInterface() const
80{
81 return AudioTrackListEventTargetInterfaceType;
82}
83
84const char* AudioTrackList::activeDOMObjectName() const
85{
86 return "AudioTrackList";
87}
88
89} // namespace WebCore
90#endif
91