void findPasswordFormFields(HTMLFormElement* form, PasswordFormFields* fields)
{
ASSERT(form);
ASSERT(fields);
HTMLInputElement* latestInputElement = 0;
const Vector<FormAssociatedElement*>& formElements = form->associatedElements();
for (size_t i = 0; i < formElements.size(); i++) {
if (!formElements[i]->isFormControlElement())
continue;
HTMLFormControlElement* control = toHTMLFormControlElement(formElements[i]);
if (control->isActivatedSubmit())
fields->submit = control;
if (!control->hasTagName(HTMLNames::inputTag))
continue;
HTMLInputElement* inputElement = toHTMLInputElement(control);
if (inputElement->isDisabledFormControl())
continue;
if ((fields->passwords.size() < maxPasswords)
&& inputElement->isPasswordField()) {
// We assume that the username is the input element before the
// first password element.
if (fields->passwords.isEmpty() && latestInputElement) {
fields->userName = latestInputElement;
// Remove the selected username from alternateUserNames.
if (!fields->alternateUserNames.isEmpty() && !latestInputElement->value().isEmpty())
fields->alternateUserNames.removeLast();
}
fields->passwords.append(inputElement);
}
// Various input types such as text, url, email can be a username field.
if (inputElement->isTextField() && !inputElement->isPasswordField()) {
latestInputElement = inputElement;
// We ignore elements that have no value. Unlike userName, alternateUserNames
// is used only for autofill, not for form identification, and blank autofill
// entries are not useful.
if (!inputElement->value().isEmpty())
fields->alternateUserNames.append(inputElement->value());
}
}
}
