String MediaControlsHost::displayNameForTrack(TextTrack* track)
{
if (!track)
return emptyString();
Page* page = m_mediaElement->document().page();
if (!page)
return emptyString();
CaptionUserPreferences* captionPreferences = page->group().captionPreferences();
return captionPreferences->displayNameForTrack(track);
}
Vector<RefPtr<TextTrack>> MediaControlsHost::sortedTrackListForMenu(TextTrackList* trackList)
{
if (!trackList)
return Vector<RefPtr<TextTrack>>();
Page* page = m_mediaElement->document().page();
if (!page)
return Vector<RefPtr<TextTrack>>();
CaptionUserPreferences* captionPreferences = page->group().captionPreferences();
return captionPreferences->sortedTrackListForMenu(trackList);
}
void MediaControlClosedCaptionsTrackListElement::rebuildTrackListMenu()
{
#if ENABLE(VIDEO_TRACK)
// Remove any existing content.
removeChildren();
m_menuItems.clear();
m_menuToTrackMap.clear();
if (!mediaController()->hasClosedCaptions())
return;
HTMLMediaElement* mediaElement = toParentMediaElement(this);
if (!mediaElement)
return;
TextTrackList* trackList = mediaElement->textTracks();
if (!trackList || !trackList->length())
return;
Document* doc = document();
if (!document()->page())
return;
CaptionUserPreferences* captionPreferences = document()->page()->group().captionPreferences();
Vector<RefPtr<TextTrack> > tracksForMenu = captionPreferences->sortedTrackListForMenu(trackList);
RefPtr<Element> captionsHeader = doc->createElement(h3Tag, ASSERT_NO_EXCEPTION);
captionsHeader->appendChild(doc->createTextNode(textTrackSubtitlesText()));
appendChild(captionsHeader);
RefPtr<Element> captionsMenuList = doc->createElement(ulTag, ASSERT_NO_EXCEPTION);
for (unsigned i = 0, length = tracksForMenu.size(); i < length; ++i) {
RefPtr<TextTrack> textTrack = tracksForMenu[i];
RefPtr<Element> menuItem = doc->createElement(liTag, ASSERT_NO_EXCEPTION);
menuItem->appendChild(doc->createTextNode(captionPreferences->displayNameForTrack(textTrack.get())));
captionsMenuList->appendChild(menuItem);
m_menuItems.append(menuItem);
m_menuToTrackMap.add(menuItem, textTrack);
}
appendChild(captionsMenuList);
#endif
}
void InternalSettings::setShouldDisplayTrackKind(const String& kind, bool enabled, ExceptionCode& ec)
{
InternalSettingsGuardForSettings();
#if ENABLE(VIDEO_TRACK)
if (!page())
return;
CaptionUserPreferences* captionPreferences = page()->group().captionPreferences();
if (equalIgnoringCase(kind, "Subtitles"))
captionPreferences->setUserPrefersSubtitles(enabled);
else if (equalIgnoringCase(kind, "Captions"))
captionPreferences->setUserPrefersCaptions(enabled);
else if (equalIgnoringCase(kind, "TextDescriptions"))
captionPreferences->setUserPrefersTextDescriptions(enabled);
else
ec = SYNTAX_ERR;
#else
UNUSED_PARAM(kind);
UNUSED_PARAM(enabled);
#endif
}
bool InternalSettings::shouldDisplayTrackKind(const String& kind, ExceptionCode& ec)
{
InternalSettingsGuardForSettingsReturn(false);
#if ENABLE(VIDEO_TRACK)
if (!page())
return false;
CaptionUserPreferences* captionPreferences = page()->group().captionPreferences();
if (equalIgnoringCase(kind, "Subtitles"))
return captionPreferences->userPrefersSubtitles();
if (equalIgnoringCase(kind, "Captions"))
return captionPreferences->userPrefersCaptions();
if (equalIgnoringCase(kind, "TextDescriptions"))
return captionPreferences->userPrefersTextDescriptions();
ec = SYNTAX_ERR;
return false;
#else
UNUSED_PARAM(kind);
return false;
#endif
}
