// TextTrack parameter when passed in as a nullptr, creates the "Off" list item in the track list.
Element* MediaControlTextTrackListElement::createTextTrackListItem(TextTrack* track)
{
int trackIndex = track ? track->trackIndex() : trackIndexOffValue;
HTMLLabelElement* trackItem = HTMLLabelElement::create(document());
trackItem->setShadowPseudoId(AtomicString("-internal-media-controls-text-track-list-item"));
HTMLInputElement* trackItemInput = HTMLInputElement::create(document(), nullptr, false);
trackItemInput->setShadowPseudoId(AtomicString("-internal-media-controls-text-track-list-item-input"));
trackItemInput->setType(InputTypeNames::checkbox);
trackItemInput->setIntegralAttribute(trackIndexAttrName(), trackIndex);
if (!mediaElement().textTracksVisible()) {
if (!track)
trackItemInput->setChecked(true);
} else {
// If there are multiple text tracks set to showing, they must all have
// checkmarks displayed.
if (track && track->mode() == TextTrack::showingKeyword())
trackItemInput->setChecked(true);
}
trackItem->appendChild(trackItemInput);
String trackLabel = getTextTrackLabel(track);
trackItem->appendChild(Text::create(document(), trackLabel));
// Add a track kind marker icon if there are multiple tracks with the same label or if the track has no label.
if (track && (track->label().isEmpty() || hasDuplicateLabel(track))) {
HTMLSpanElement* trackKindMarker = HTMLSpanElement::create(document());
if (track->kind() == track->captionsKeyword()) {
trackKindMarker->setShadowPseudoId(AtomicString("-internal-media-controls-text-track-list-kind-captions"));
} else {
DCHECK_EQ(track->kind(), track->subtitlesKeyword());
trackKindMarker->setShadowPseudoId(AtomicString("-internal-media-controls-text-track-list-kind-subtitles"));
}
trackItem->appendChild(trackKindMarker);
}
return trackItem;
}
HTMLLabelElement* TreeScope::labelElementForId(const AtomicString& forAttributeValue)
{
if (forAttributeValue.isEmpty())
return 0;
if (!m_labelsByForAttribute) {
// Populate the map on first access.
m_labelsByForAttribute = adoptPtr(new DocumentOrderedMap);
for (Element* element = ElementTraversal::firstWithin(rootNode()); element; element = ElementTraversal::next(element)) {
if (element->hasTagName(labelTag)) {
HTMLLabelElement* label = static_cast<HTMLLabelElement*>(element);
const AtomicString& forValue = label->fastGetAttribute(forAttr);
if (!forValue.isEmpty())
addLabel(forValue, label);
}
}
}
return static_cast<HTMLLabelElement*>(m_labelsByForAttribute->getElementByLabelForAttribute(forAttributeValue.impl(), this));
}
HTMLElement* MediaControlInputElement::createOverflowElement(
MediaControls& mediaControls,
MediaControlInputElement* button) {
if (!button)
return nullptr;
// We don't want the button visible within the overflow menu.
button->setIsWanted(false);
m_overflowMenuText =
Text::create(mediaControls.document(), button->getOverflowMenuString());
HTMLLabelElement* element =
HTMLLabelElement::create(mediaControls.document());
element->setShadowPseudoId(
AtomicString("-internal-media-controls-overflow-menu-list-item"));
// Appending a button to a label element ensures that clicks on the label
// are passed down to the button, performing the action we'd expect.
element->appendChild(button);
element->appendChild(m_overflowMenuText);
m_overflowMenuElement = element;
return element;
}
bool HTMLLabelElement::rendererIsFocusable() const
{
HTMLLabelElement* that = const_cast<HTMLLabelElement*>(this);
return that->isContentEditable();
}
static v8::Handle<v8::Value> controlAttrGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
HTMLLabelElement* imp = V8HTMLLabelElement::toNative(info.Holder());
return toV8Fast(imp->control(), info, imp);
}
bool HTMLLabelElement::layoutObjectIsFocusable() const
{
HTMLLabelElement* that = const_cast<HTMLLabelElement*>(this);
return that->isContentEditable();
}
