void TextTrack::setMode(const AtomicString& mode)
{
ASSERT(mode == disabledKeyword() || mode == hiddenKeyword() || mode == showingKeyword());
// On setting, if the new value isn't equal to what the attribute would currently
// return, the new value must be processed as follows ...
if (m_mode == mode)
return;
// If mode changes to disabled, remove this track's cues from the client
// because they will no longer be accessible from the cues() function.
if (mode == disabledKeyword() && m_client && m_cues)
m_client->textTrackRemoveCues(this, m_cues.get());
if (mode != showingKeyword() && m_cues) {
for (size_t i = 0; i < m_cues->length(); ++i) {
TextTrackCue* cue = m_cues->item(i);
if (cue->isRenderable())
toVTTCue(cue)->removeDisplayTree();
}
}
m_mode = mode;
if (m_client)
m_client->textTrackModeChanged(this);
}
void TextTrack::setMode(const AtomicString& mode)
{
ASSERT(mode == disabledKeyword() || mode == hiddenKeyword() || mode == showingKeyword());
// On setting, if the new value isn't equal to what the attribute would currently
// return, the new value must be processed as follows ...
if (m_mode == mode)
return;
if (m_cues && cueTimeline()) {
// If mode changes to disabled, remove this track's cues from the client
// because they will no longer be accessible from the cues() function.
if (mode == disabledKeyword())
cueTimeline()->removeCues(this, m_cues.get());
else if (mode != showingKeyword())
cueTimeline()->hideCues(this, m_cues.get());
}
m_mode = mode;
if (mode != disabledKeyword() && getReadinessState() == Loaded) {
if (m_cues && cueTimeline())
cueTimeline()->addCues(this, m_cues.get());
}
if (mediaElement())
mediaElement()->textTrackModeChanged(this);
}
void TextTrack::setMode(const AtomicString& mode)
{
// On setting, if the new value isn't equal to what the attribute would currently
// return, the new value must be processed as follows ...
if (mode != disabledKeyword() && mode != hiddenKeyword() && mode != showingKeyword())
return;
if (m_mode == mode)
return;
// If mode changes to disabled, remove this track's cues from the client
// because they will no longer be accessible from the cues() function.
if (mode == disabledKeyword() && m_client && m_cues)
m_client->textTrackRemoveCues(this, m_cues.get());
if (mode != showingKeyword() && m_cues)
for (size_t i = 0; i < m_cues->length(); ++i)
m_cues->item(i)->removeDisplayTree();
// ... Note: If the mode had been showing by default, this will change it to showing,
// even though the value of mode would appear not to change.
m_mode = mode;
setShowingByDefault(false);
if (m_client)
m_client->textTrackModeChanged(this);
}
void TextTrack::setKind(const AtomicString& newKind)
{
AtomicString oldKind = kind();
TrackBase::setKind(newKind);
// If kind changes from visual to non-visual and mode is 'showing', then force mode to 'hidden'.
// FIXME: This is not per spec. crbug.com/460923
if (oldKind != kind() && mode() == showingKeyword()) {
if (kind() != captionsKeyword() && kind() != subtitlesKeyword())
setMode(hiddenKeyword());
}
}