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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "config.h" |
| 6 #include "core/html/track/AudioTrack.h" |
| 7 |
| 8 #include "core/html/HTMLMediaElement.h" |
| 9 |
| 10 namespace WebCore { |
| 11 |
| 12 AudioTrack::AudioTrack(const String& id, const AtomicString& kind, const AtomicS
tring& label, const AtomicString& language, bool enabled) |
| 13 : TrackBase(TrackBase::AudioTrack, label, language, id) |
| 14 , m_enabled(enabled) |
| 15 { |
| 16 ScriptWrappable::init(this); |
| 17 setKind(kind); |
| 18 } |
| 19 |
| 20 AudioTrack::~AudioTrack() |
| 21 { |
| 22 } |
| 23 |
| 24 void AudioTrack::setEnabled(bool enabled) |
| 25 { |
| 26 if (enabled == m_enabled) |
| 27 return; |
| 28 |
| 29 m_enabled = enabled; |
| 30 |
| 31 if (mediaElement()) |
| 32 mediaElement()->audioTrackChanged(); |
| 33 } |
| 34 |
| 35 const AtomicString& AudioTrack::alternativeKeyword() |
| 36 { |
| 37 DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("alternative", AtomicStrin
g::ConstructFromLiteral)); |
| 38 return keyword; |
| 39 } |
| 40 |
| 41 const AtomicString& AudioTrack::descriptionsKeyword() |
| 42 { |
| 43 DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("descriptions", AtomicStri
ng::ConstructFromLiteral)); |
| 44 return keyword; |
| 45 } |
| 46 |
| 47 const AtomicString& AudioTrack::mainKeyword() |
| 48 { |
| 49 DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("main", AtomicString::Cons
tructFromLiteral)); |
| 50 return keyword; |
| 51 } |
| 52 |
| 53 const AtomicString& AudioTrack::mainDescriptionsKeyword() |
| 54 { |
| 55 DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("main-desc", AtomicString:
:ConstructFromLiteral)); |
| 56 return keyword; |
| 57 } |
| 58 |
| 59 const AtomicString& AudioTrack::translationKeyword() |
| 60 { |
| 61 DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("translation", AtomicStrin
g::ConstructFromLiteral)); |
| 62 return keyword; |
| 63 } |
| 64 |
| 65 const AtomicString& AudioTrack::commentaryKeyword() |
| 66 { |
| 67 DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("commentary", AtomicString
::ConstructFromLiteral)); |
| 68 return keyword; |
| 69 } |
| 70 |
| 71 bool AudioTrack::isValidKind(const AtomicString& kind) const |
| 72 { |
| 73 return (kind == alternativeKeyword()) |
| 74 || (kind == descriptionsKeyword()) |
| 75 || (kind == mainKeyword()) |
| 76 || (kind == mainDescriptionsKeyword()) |
| 77 || (kind == translationKeyword()) |
| 78 || (kind == commentaryKeyword()); |
| 79 } |
| 80 |
| 81 AtomicString AudioTrack::defaultKind() const |
| 82 { |
| 83 return emptyAtom; |
| 84 } |
| 85 |
| 86 } |
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