bool HTMLTextAreaElement::IsValueMissing() const {
if (!Required() || !IsMutable()) {
return false;
}
return IsValueEmpty();
}
bool
HTMLTextAreaElement::IsValueMissing() const
{
if (!HasAttr(kNameSpaceID_None, nsGkAtoms::required) || !IsMutable()) {
return false;
}
return IsValueEmpty();
}
EventStates
HTMLTextAreaElement::IntrinsicState() const
{
EventStates state = nsGenericHTMLFormElementWithState::IntrinsicState();
if (HasAttr(kNameSpaceID_None, nsGkAtoms::required)) {
state |= NS_EVENT_STATE_REQUIRED;
} else {
state |= NS_EVENT_STATE_OPTIONAL;
}
if (IsCandidateForConstraintValidation()) {
if (IsValid()) {
state |= NS_EVENT_STATE_VALID;
} else {
state |= NS_EVENT_STATE_INVALID;
// :-moz-ui-invalid always apply if the element suffers from a custom
// error and never applies if novalidate is set on the form owner.
if ((!mForm || !mForm->HasAttr(kNameSpaceID_None, nsGkAtoms::novalidate)) &&
(GetValidityState(VALIDITY_STATE_CUSTOM_ERROR) ||
(mCanShowInvalidUI && ShouldShowValidityUI()))) {
state |= NS_EVENT_STATE_MOZ_UI_INVALID;
}
}
// :-moz-ui-valid applies if all the following are true:
// 1. The element is not focused, or had either :-moz-ui-valid or
// :-moz-ui-invalid applying before it was focused ;
// 2. The element is either valid or isn't allowed to have
// :-moz-ui-invalid applying ;
// 3. The element has no form owner or its form owner doesn't have the
// novalidate attribute set ;
// 4. The element has already been modified or the user tried to submit the
// form owner while invalid.
if ((!mForm || !mForm->HasAttr(kNameSpaceID_None, nsGkAtoms::novalidate)) &&
(mCanShowValidUI && ShouldShowValidityUI() &&
(IsValid() || (state.HasState(NS_EVENT_STATE_MOZ_UI_INVALID) &&
!mCanShowInvalidUI)))) {
state |= NS_EVENT_STATE_MOZ_UI_VALID;
}
}
if (HasAttr(kNameSpaceID_None, nsGkAtoms::placeholder) &&
IsValueEmpty()) {
state |= NS_EVENT_STATE_PLACEHOLDERSHOWN;
}
return state;
}
