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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/VideoTrack.h" |
| 7 |
| 8 #include "core/html/HTMLMediaElement.h" |
| 9 |
| 10 namespace WebCore { |
| 11 |
| 12 VideoTrack::VideoTrack(HTMLMediaElement* mediaElement, const String& id, const A
tomicString& kind, const AtomicString& label, const AtomicString& language) |
| 13 : TrackBase(TrackBase::VideoTrack, label, language, id) |
| 14 , m_selected(false) |
| 15 { |
| 16 ASSERT(mediaElement); |
| 17 ASSERT(!id.isEmpty()); |
| 18 |
| 19 ScriptWrappable::init(this); |
| 20 setKind(kind); |
| 21 setMediaElement(mediaElement); |
| 22 } |
| 23 |
| 24 VideoTrack::~VideoTrack() |
| 25 { |
| 26 } |
| 27 |
| 28 void VideoTrack::setSelected(bool selected) |
| 29 { |
| 30 if (selected == m_selected) |
| 31 return; |
| 32 |
| 33 m_selected = selected; |
| 34 if (mediaElement()) |
| 35 mediaElement()->selectedVideoTrackChanged(m_selected ? id() : emptyAtom)
; |
| 36 } |
| 37 |
| 38 const AtomicString& VideoTrack::alternativeKeyword() |
| 39 { |
| 40 DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("alternative", AtomicStrin
g::ConstructFromLiteral)); |
| 41 return keyword; |
| 42 } |
| 43 |
| 44 const AtomicString& VideoTrack::captionsKeyword() |
| 45 { |
| 46 DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("captions", AtomicString::
ConstructFromLiteral)); |
| 47 return keyword; |
| 48 } |
| 49 |
| 50 const AtomicString& VideoTrack::mainKeyword() |
| 51 { |
| 52 DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("main", AtomicString::Cons
tructFromLiteral)); |
| 53 return keyword; |
| 54 } |
| 55 |
| 56 const AtomicString& VideoTrack::signKeyword() |
| 57 { |
| 58 DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("sign", AtomicString::Cons
tructFromLiteral)); |
| 59 return keyword; |
| 60 } |
| 61 |
| 62 const AtomicString& VideoTrack::subtitlesKeyword() |
| 63 { |
| 64 DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("subtitles", AtomicString:
:ConstructFromLiteral)); |
| 65 return keyword; |
| 66 } |
| 67 |
| 68 const AtomicString& VideoTrack::commentaryKeyword() |
| 69 { |
| 70 DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("commentary", AtomicString
::ConstructFromLiteral)); |
| 71 return keyword; |
| 72 } |
| 73 |
| 74 bool VideoTrack::isValidKind(const AtomicString& kind) const |
| 75 { |
| 76 return (kind == alternativeKeyword()) |
| 77 || (kind == captionsKeyword()) |
| 78 || (kind == mainKeyword()) |
| 79 || (kind == signKeyword()) |
| 80 || (kind == subtitlesKeyword()) |
| 81 || (kind == commentaryKeyword()); |
| 82 } |
| 83 |
| 84 AtomicString VideoTrack::defaultKind() const |
| 85 { |
| 86 return emptyAtom; |
| 87 } |
| 88 |
| 89 } |
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