bool HTMLFormElement::validateInteractively()
{
const FormAssociatedElement::List& elements = associatedElements();
for (unsigned i = 0; i < elements.size(); ++i) {
if (elements[i]->isFormControlElement())
toHTMLFormControlElement(elements[i])->hideVisibleValidationMessage();
}
WillBeHeapVector<RefPtrWillBeMember<HTMLFormControlElement>> unhandledInvalidControls;
if (!checkInvalidControlsAndCollectUnhandled(&unhandledInvalidControls, CheckValidityDispatchInvalidEvent))
return true;
// Because the form has invalid controls, we abort the form submission and
// show a validation message on a focusable form control.
// Needs to update layout now because we'd like to call isFocusable(), which
// has !layoutObject()->needsLayout() assertion.
document().updateLayoutIgnorePendingStylesheets();
RefPtrWillBeRawPtr<HTMLFormElement> protector(this);
// Focus on the first focusable control and show a validation message.
for (unsigned i = 0; i < unhandledInvalidControls.size(); ++i) {
HTMLFormControlElement* unhandled = unhandledInvalidControls[i].get();
if (unhandled->isFocusable()) {
unhandled->showValidationMessage();
break;
}
}
// Warn about all of unfocusable controls.
if (document().frame()) {
for (unsigned i = 0; i < unhandledInvalidControls.size(); ++i) {
HTMLFormControlElement* unhandled = unhandledInvalidControls[i].get();
if (unhandled->isFocusable())
continue;
String message("An invalid form control with name='%name' is not focusable.");
message.replace("%name", unhandled->name());
document().addConsoleMessage(ConsoleMessage::create(RenderingMessageSource, ErrorMessageLevel, message));
}
}
return false;
}
