void SVGScriptElement::finishParsingChildren()
{
ScriptElement::finishParsingChildren(m_data, sourceAttributeValue());
SVGElement::finishParsingChildren();
// A SVGLoad event has been fired by SVGElement::finishParsingChildren.
if (!externalResourcesRequiredBaseValue())
m_data.setHaveFiredLoadEvent(true);
}
void SVGScriptElement::insertedIntoDocument()
{
SVGElement::insertedIntoDocument();
ScriptElement::insertedIntoDocument(m_data, sourceAttributeValue());
if (m_data.createdByParser())
return;
// Eventually send SVGLoad event now for the dynamically inserted script element
if (!externalResourcesRequiredBaseValue()) {
m_data.setHaveFiredLoadEvent(true);
sendSVGLoadEventIfPossible();
}
}
bool SVGScriptElement::isURLAttribute(const Attribute& attribute) const
{
return attribute.name() == AtomicString(sourceAttributeValue());
}
// http://dev.w3.org/html5/spec/Overview.html#prepare-a-script
bool ScriptElement::prepareScript(const TextPosition& scriptStartPosition, LegacyTypeSupport supportLegacyTypes)
{
if (m_alreadyStarted)
return false;
bool wasParserInserted;
if (m_parserInserted) {
wasParserInserted = true;
m_parserInserted = false;
} else
wasParserInserted = false;
if (wasParserInserted && !asyncAttributeValue())
m_forceAsync = true;
// FIXME: HTML5 spec says we should check that all children are either comments or empty text nodes.
if (!hasSourceAttribute() && !m_element->firstChild())
return false;
if (!m_element->inDocument())
return false;
if (!isScriptTypeSupported(supportLegacyTypes))
return false;
if (wasParserInserted) {
m_parserInserted = true;
m_forceAsync = false;
}
m_alreadyStarted = true;
// FIXME: If script is parser inserted, verify it's still in the original document.
Document* document = m_element->document();
// FIXME: Eventually we'd like to evaluate scripts which are inserted into a
// viewless document but this'll do for now.
// See http://bugs.webkit.org/show_bug.cgi?id=5727
if (!document->frame())
return false;
if (!document->frame()->script()->canExecuteScripts(AboutToExecuteScript))
return false;
if (!isScriptForEventSupported())
return false;
if (!charsetAttributeValue().isEmpty())
m_characterEncoding = charsetAttributeValue();
else
m_characterEncoding = document->charset();
if (hasSourceAttribute())
if (!requestScript(sourceAttributeValue()))
return false;
if (hasSourceAttribute() && deferAttributeValue() && m_parserInserted && !asyncAttributeValue()) {
m_willExecuteWhenDocumentFinishedParsing = true;
m_willBeParserExecuted = true;
} else if (hasSourceAttribute() && m_parserInserted && !asyncAttributeValue())
m_willBeParserExecuted = true;
else if (!hasSourceAttribute() && m_parserInserted && !document->haveStylesheetsLoaded()) {
m_willBeParserExecuted = true;
m_readyToBeParserExecuted = true;
} else if (hasSourceAttribute() && !asyncAttributeValue() && !m_forceAsync) {
m_willExecuteInOrder = true;
document->scriptRunner()->queueScriptForExecution(this, m_cachedScript, ScriptRunner::IN_ORDER_EXECUTION);
m_cachedScript->addClient(this);
} else if (hasSourceAttribute()) {
m_element->document()->scriptRunner()->queueScriptForExecution(this, m_cachedScript, ScriptRunner::ASYNC_EXECUTION);
m_cachedScript->addClient(this);
} else {
// Reset line numbering for nested writes.
TextPosition position = document->isInDocumentWrite() ? TextPosition() : scriptStartPosition;
executeScript(ScriptSourceCode(scriptContent(), document->url(), position));
}
return true;
}
bool SVGScriptElement::isURLAttribute(Attribute* attr) const
{
return attr->name() == sourceAttributeValue();
}