void TextTrack::setKind(const AtomicString& newKind)
{
String oldKind = kind();
#if ENABLE(MEDIA_SOURCE)
// 10.1 kind, on setting:
// 1. If the value being assigned to this attribute does not match one of the text track kinds,
// then abort these steps.
if (!isValidKindKeyword(newKind))
return;
// 2. Update this attribute to the new value.
setKindInternal(newKind);
// 3. If the sourceBuffer attribute on this track is not null, then queue a task to fire a simple
// event named change at sourceBuffer.textTracks.
if (m_sourceBuffer)
m_sourceBuffer->textTracks()->scheduleChangeEvent();
// 4. Queue a task to fire a simple event named change at the TextTrackList object referenced by
// the textTracks attribute on the HTMLMediaElement.
if (mediaElement())
mediaElement()->textTracks()->scheduleChangeEvent();
#else
TrackBase::setKind(newKind);
#endif
if (m_client && oldKind != kind())
m_client->textTrackKindChanged(this);
}
TextTrack::TextTrack(ScriptExecutionContext* context, TextTrackClient* client, const AtomicString& kind, const AtomicString& id, const AtomicString& label, const AtomicString& language, TextTrackType type)
: TrackBase(TrackBase::TextTrack, id, label, language)
, m_cues(0)
, m_regions(0)
, m_scriptExecutionContext(context)
, m_mode(disabledKeyword().string())
, m_client(client)
, m_trackType(type)
, m_readinessState(NotLoaded)
, m_trackIndex(invalidTrackIndex)
, m_renderedTrackIndex(invalidTrackIndex)
, m_hasBeenConfigured(false)
{
setKindInternal(kind);
}
void TrackBase::setKind(const AtomicString& kind)
{
setKindInternal(kind);
}