void TextTrackCue::markFutureAndPastNodes(ContainerNode* root, double previousTimestamp, double movieTime)
{
DEFINE_STATIC_LOCAL(const String, timestampTag, (ASCIILiteral("timestamp")));
bool isPastNode = true;
double currentTimestamp = previousTimestamp;
if (currentTimestamp > movieTime)
isPastNode = false;
for (Node* child = root->firstChild(); child; child = NodeTraversal::next(child, root)) {
if (child->nodeName() == timestampTag) {
unsigned position = 0;
String timestamp = child->nodeValue();
double currentTimestamp = WebVTTParser::create(0, m_scriptExecutionContext)->collectTimeStamp(timestamp, &position);
ASSERT(currentTimestamp != -1);
if (currentTimestamp > movieTime)
isPastNode = false;
}
if (child->isWebVTTElement()) {
toWebVTTElement(child)->setIsPastNode(isPastNode);
// Make an elemenet id match a cue id for style matching purposes.
if (!m_id.isEmpty())
toElement(child)->setIdAttribute(AtomicString(m_id.characters(), m_id.length()));
}
}
}
void VTTCue::markFutureAndPastNodes(ContainerNode* root, double previousTimestamp, double movieTime)
{
DEPRECATED_DEFINE_STATIC_LOCAL(const String, timestampTag, (ASCIILiteral("timestamp")));
bool isPastNode = true;
double currentTimestamp = previousTimestamp;
if (currentTimestamp > movieTime)
isPastNode = false;
for (Node* child = root->firstChild(); child; child = NodeTraversal::next(child, root)) {
if (child->nodeName() == timestampTag) {
double currentTimestamp;
bool check = WebVTTParser::collectTimeStamp(child->nodeValue(), currentTimestamp);
ASSERT_UNUSED(check, check);
currentTimestamp += m_originalStartTime;
if (currentTimestamp > movieTime)
isPastNode = false;
}
if (child->isWebVTTElement()) {
toWebVTTElement(child)->setIsPastNode(isPastNode);
// Make an elemenet id match a cue id for style matching purposes.
if (!id().isEmpty())
toElement(child)->setIdAttribute(id());
}
}
}
void TextTrackCue::copyWebVTTNodeToDOMTree(ContainerNode* webVTTNode, ContainerNode* parent)
{
for (Node* node = webVTTNode->firstChild(); node; node = node->nextSibling()) {
RefPtr<Node> clonedNode;
if (node->isWebVTTElement())
clonedNode = toWebVTTElement(node)->createEquivalentHTMLElement(ownerDocument());
else
clonedNode = node->cloneNode(false);
parent->appendChild(clonedNode, ASSERT_NO_EXCEPTION);
if (node->isContainerNode())
copyWebVTTNodeToDOMTree(toContainerNode(node), toContainerNode(clonedNode.get()));
}
}
void WebVTTParser::constructTreeFromToken(Document& document)
{
QualifiedName tagName(nullAtom, AtomicString(m_token.name()), xhtmlNamespaceURI);
// http://dev.w3.org/html5/webvtt/#webvtt-cue-text-dom-construction-rules
switch (m_token.type()) {
case WebVTTTokenTypes::Character: {
String content(m_token.characters()); // FIXME: This should be 8bit if possible.
RefPtr<Text> child = Text::create(document, content);
m_currentNode->parserAppendChild(child);
break;
}
case WebVTTTokenTypes::StartTag: {
RefPtr<WebVTTElement> child;
WebVTTNodeType nodeType = tokenToNodeType(m_token);
if (nodeType != WebVTTNodeTypeNone)
child = WebVTTElement::create(nodeType, &document);
if (child) {
if (m_token.classes().size() > 0)
child->setAttribute(classAttr, AtomicString(m_token.classes()));
if (child->webVTTNodeType() == WebVTTNodeTypeVoice)
child->setAttribute(WebVTTElement::voiceAttributeName(), AtomicString(m_token.annotation()));
else if (child->webVTTNodeType() == WebVTTNodeTypeLanguage) {
m_languageStack.append(AtomicString(m_token.annotation()));
child->setAttribute(WebVTTElement::langAttributeName(), m_languageStack.last());
}
if (!m_languageStack.isEmpty())
child->setLanguage(m_languageStack.last());
m_currentNode->parserAppendChild(child);
m_currentNode = child;
}
break;
}
case WebVTTTokenTypes::EndTag: {
WebVTTNodeType nodeType = tokenToNodeType(m_token);
if (nodeType != WebVTTNodeTypeNone) {
if (nodeType == WebVTTNodeTypeLanguage && m_currentNode->isWebVTTElement() && toWebVTTElement(m_currentNode.get())->webVTTNodeType() == WebVTTNodeTypeLanguage)
m_languageStack.removeLast();
if (m_currentNode->parentNode())
m_currentNode = m_currentNode->parentNode();
}
break;
}
case WebVTTTokenTypes::TimestampTag: {
unsigned position = 0;
String charactersString(StringImpl::create8BitIfPossible(m_token.characters()));
double time = collectTimeStamp(charactersString, &position);
if (time != malformedTime)
m_currentNode->parserAppendChild(ProcessingInstruction::create(document, "timestamp", charactersString));
break;
}
default:
break;
}
m_token.clear();
}
void WebVTTTreeBuilder::constructTreeFromToken(Document& document)
{
// http://dev.w3.org/html5/webvtt/#webvtt-cue-text-dom-construction-rules
switch (m_token.type()) {
case WebVTTTokenTypes::Character: {
RefPtr<Text> child = Text::create(document, m_token.characters());
m_currentNode->parserAppendChild(child);
break;
}
case WebVTTTokenTypes::StartTag: {
WebVTTNodeType nodeType = tokenToNodeType(m_token);
if (nodeType == WebVTTNodeTypeNone)
break;
WebVTTNodeType currentType = m_currentNode->isWebVTTElement() ? toWebVTTElement(m_currentNode.get())->webVTTNodeType() : WebVTTNodeTypeNone;
// <rt> is only allowed if the current node is <ruby>.
if (nodeType == WebVTTNodeTypeRubyText && currentType != WebVTTNodeTypeRuby)
break;
RefPtr<WebVTTElement> child = WebVTTElement::create(nodeType, document);
if (!m_token.classes().isEmpty())
child->setAttribute(classAttr, m_token.classes());
if (nodeType == WebVTTNodeTypeVoice)
child->setAttribute(WebVTTElement::voiceAttributeName(), m_token.annotation());
else if (nodeType == WebVTTNodeTypeLanguage) {
m_languageStack.append(m_token.annotation());
child->setAttribute(WebVTTElement::langAttributeName(), m_languageStack.last());
}
if (!m_languageStack.isEmpty())
child->setLanguage(m_languageStack.last());
m_currentNode->parserAppendChild(child);
m_currentNode = child;
break;
}
case WebVTTTokenTypes::EndTag: {
WebVTTNodeType nodeType = tokenToNodeType(m_token);
if (nodeType == WebVTTNodeTypeNone)
break;
// The only non-VTTElement would be the DocumentFragment root. (Text
// nodes and PIs will never appear as m_currentNode.)
if (!m_currentNode->isWebVTTElement())
break;
WebVTTNodeType currentType = toWebVTTElement(m_currentNode.get())->webVTTNodeType();
bool matchesCurrent = nodeType == currentType;
if (!matchesCurrent) {
// </ruby> auto-closes <rt>
if (currentType == WebVTTNodeTypeRubyText && nodeType == WebVTTNodeTypeRuby) {
if (m_currentNode->parentNode())
m_currentNode = m_currentNode->parentNode();
} else
break;
}
if (nodeType == WebVTTNodeTypeLanguage)
m_languageStack.removeLast();
if (m_currentNode->parentNode())
m_currentNode = m_currentNode->parentNode();
break;
}
case WebVTTTokenTypes::TimestampTag: {
String charactersString = m_token.characters();
double parsedTimeStamp;
if (WebVTTParser::collectTimeStamp(charactersString, parsedTimeStamp))
m_currentNode->parserAppendChild(ProcessingInstruction::create(document, "timestamp", charactersString));
break;
}
default:
break;
}
}