static bool planCounter(LayoutObject& object, const AtomicString& identifier, bool& isReset, int& value)
{
// Real text nodes don't have their own style so they can't have counters.
// We can't even look at their styles or we'll see extra resets and increments!
if (object.isText() && !object.isBR())
return false;
Node* generatingNode = object.generatingNode();
// We must have a generating node or else we cannot have a counter.
if (!generatingNode)
return false;
const ComputedStyle& style = object.styleRef();
switch (style.styleType()) {
case NOPSEUDO:
// Sometimes nodes have more then one layoutObject. Only the first one gets the counter
// LayoutTests/http/tests/css/counter-crash.html
if (generatingNode->layoutObject() != &object)
return false;
break;
case BEFORE:
case AFTER:
break;
default:
return false; // Counters are forbidden from all other pseudo elements.
}
const CounterDirectives directives = style.getCounterDirectives(identifier);
if (directives.isDefined()) {
value = directives.combinedValue();
isReset = directives.isReset();
return true;
}
if (identifier == "list-item") {
if (object.isListItem()) {
if (toLayoutListItem(object).hasExplicitValue()) {
value = toLayoutListItem(object).explicitValue();
isReset = true;
return true;
}
value = 1;
isReset = false;
return true;
}
if (Node* e = object.node()) {
if (isHTMLOListElement(*e)) {
value = toHTMLOListElement(e)->start();
isReset = true;
return true;
}
if (isHTMLUListElement(*e) || isHTMLMenuElement(*e) || isHTMLDirectoryElement(*e)) {
value = 0;
isReset = true;
return true;
}
}
}
return false;
}
HTMLMenuElement* HTMLElement::contextMenu() const
{
const AtomicString& contextMenuId(fastGetAttribute(contextmenuAttr));
if (contextMenuId.isNull())
return nullptr;
Element* element = treeScope().getElementById(contextMenuId);
// Not checking if the menu element is of type "popup".
// Ignoring menu element type attribute is intentional according to the standard.
return isHTMLMenuElement(element) ? toHTMLMenuElement(element) : nullptr;
}
