HTMLTextFormControlElement* enclosingTextFormControl(Node* container)
{
if (!container)
return 0;
Element* ancestor = container->shadowHost();
return ancestor && isHTMLTextFormControlElement(*ancestor) && container->containingShadowRoot()->type() == ShadowRoot::UserAgentShadowRoot ? toHTMLTextFormControlElement(ancestor) : 0;
}
HTMLTextFormControlElement* enclosingTextFormControl(const Position& position)
{
ASSERT(position.isNull() || position.anchorType() == Position::PositionIsOffsetInAnchor
|| position.containerNode() || !position.anchorNode()->shadowHost()
|| (position.anchorNode()->parentNode() && position.anchorNode()->parentNode()->isShadowRoot()));
Node* container = position.containerNode();
if (!container)
return 0;
Element* ancestor = container->shadowHost();
return ancestor && isHTMLTextFormControlElement(ancestor) ? toHTMLTextFormControlElement(ancestor) : 0;
}
TextDirection HTMLElement::directionality(Node** strongDirectionalityTextNode) const
{
if (isHTMLTextFormControlElement(this)) {
HTMLTextFormControlElement* textElement = toHTMLTextFormControlElement(const_cast<HTMLElement*>(this));
bool hasStrongDirectionality;
Unicode::Direction textDirection = textElement->value().defaultWritingDirection(&hasStrongDirectionality);
if (strongDirectionalityTextNode)
*strongDirectionalityTextNode = hasStrongDirectionality ? textElement : 0;
return (textDirection == Unicode::LeftToRight) ? LTR : RTL;
}
Node* node = firstChild();
while (node) {
// Skip bdi, script, style and text form controls.
if (equalIgnoringCase(node->nodeName(), "bdi") || node->hasTagName(scriptTag) || node->hasTagName(styleTag)
|| (node->isElementNode() && toElement(node)->isTextFormControl())) {
node = NodeTraversal::nextSkippingChildren(node, this);
continue;
}
// Skip elements with valid dir attribute
if (node->isElementNode()) {
AtomicString dirAttributeValue = toElement(node)->fastGetAttribute(dirAttr);
if (equalIgnoringCase(dirAttributeValue, "rtl") || equalIgnoringCase(dirAttributeValue, "ltr") || equalIgnoringCase(dirAttributeValue, "auto")) {
node = NodeTraversal::nextSkippingChildren(node, this);
continue;
}
}
if (node->isTextNode()) {
bool hasStrongDirectionality;
WTF::Unicode::Direction textDirection = node->textContent(true).defaultWritingDirection(&hasStrongDirectionality);
if (hasStrongDirectionality) {
if (strongDirectionalityTextNode)
*strongDirectionalityTextNode = node;
return (textDirection == WTF::Unicode::LeftToRight) ? LTR : RTL;
}
}
node = NodeTraversal::next(node, this);
}
if (strongDirectionalityTextNode)
*strongDirectionalityTextNode = 0;
return LTR;
}
RenderTextControl::RenderTextControl(Element* element)
: RenderBlock(element)
{
ASSERT(isHTMLTextFormControlElement(element));
}
