Home | History | Annotate | Download | only in track 
      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(const String& id, const AtomicString& kind, const AtomicString& label, const AtomicString& language, bool selected)
     13     : TrackBase(TrackBase::VideoTrack, label, language, id)
     14     , m_selected(selected)
     15 {
     16     ScriptWrappable::init(this);
     17     setKind(kind);
     18 }
     19 
     20 VideoTrack::~VideoTrack()
     21 {
     22 }
     23 
     24 void VideoTrack::setSelected(bool selected)
     25 {
     26     if (selected == m_selected)
     27         return;
     28 
     29     m_selected = selected;
     30 
     31     if (mediaElement()) {
     32         blink::WebMediaPlayer::TrackId selectedTrackId = trackId();
     33         mediaElement()->selectedVideoTrackChanged(selected ? &selectedTrackId : 0);
     34     }
     35 }
     36 
     37 const AtomicString& VideoTrack::alternativeKeyword()
     38 {
     39     DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("alternative", AtomicString::ConstructFromLiteral));
     40     return keyword;
     41 }
     42 
     43 const AtomicString& VideoTrack::captionsKeyword()
     44 {
     45     DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("captions", AtomicString::ConstructFromLiteral));
     46     return keyword;
     47 }
     48 
     49 const AtomicString& VideoTrack::mainKeyword()
     50 {
     51     DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("main", AtomicString::ConstructFromLiteral));
     52     return keyword;
     53 }
     54 
     55 const AtomicString& VideoTrack::signKeyword()
     56 {
     57     DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("sign", AtomicString::ConstructFromLiteral));
     58     return keyword;
     59 }
     60 
     61 const AtomicString& VideoTrack::subtitlesKeyword()
     62 {
     63     DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("subtitles", AtomicString::ConstructFromLiteral));
     64     return keyword;
     65 }
     66 
     67 const AtomicString& VideoTrack::commentaryKeyword()
     68 {
     69     DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("commentary", AtomicString::ConstructFromLiteral));
     70     return keyword;
     71 }
     72 
     73 bool VideoTrack::isValidKind(const AtomicString& kind) const
     74 {
     75     return (kind == alternativeKeyword())
     76         || (kind == captionsKeyword())
     77         || (kind == mainKeyword())
     78         || (kind == signKeyword())
     79         || (kind == subtitlesKeyword())
     80         || (kind == commentaryKeyword());
     81 }
     82 
     83 AtomicString VideoTrack::defaultKind() const
     84 {
     85     return emptyAtom;
     86 }
     87 
     88 }
     89