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Auto merge of #7733 - nox:checked, r=Manishearth
Properly consider radio button groups Radio button groups with missing or empty names are always the only element of their respective radio button group. <!-- Reviewable:start --> [<img src="https://reviewable.io/review_button.png" height=40 alt="Review on Reviewable"/>](https://reviewable.io/reviews/servo/servo/7733) <!-- Reviewable:end -->
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commit
37ce248f31
3 changed files with 25 additions and 34 deletions
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@ -296,7 +296,7 @@ impl HTMLInputElementMethods for HTMLInputElement {
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make_getter!(Name);
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// https://html.spec.whatwg.org/multipage/#attr-fe-name
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make_setter!(SetName, "name");
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make_atomic_setter!(SetName, "name");
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// https://html.spec.whatwg.org/multipage/#attr-input-placeholder
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make_getter!(Placeholder);
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@ -342,7 +342,16 @@ impl HTMLInputElementMethods for HTMLInputElement {
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#[allow(unsafe_code)]
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fn broadcast_radio_checked(broadcaster: &HTMLInputElement, group: Option<&str>) {
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fn broadcast_radio_checked(broadcaster: &HTMLInputElement, group: Option<&Atom>) {
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match group {
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None | Some(&atom!("")) => {
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// Radio input elements with a missing or empty name are alone in their
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// own group.
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return;
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},
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_ => {},
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}
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//TODO: if not in document, use root ancestor instead of document
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let owner = broadcaster.form_owner();
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let doc = document_from_node(broadcaster);
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@ -350,7 +359,7 @@ fn broadcast_radio_checked(broadcaster: &HTMLInputElement, group: Option<&str>)
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// This function is a workaround for lifetime constraint difficulties.
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fn do_broadcast(doc_node: &Node, broadcaster: &HTMLInputElement,
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owner: Option<&HTMLFormElement>, group: Option<&str>) {
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owner: Option<&HTMLFormElement>, group: Option<&Atom>) {
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// There is no DOM tree manipulation here, so this is safe
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let iter = unsafe {
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doc_node.query_selector_iter("input[type=radio]".to_owned()).unwrap()
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@ -367,8 +376,9 @@ fn broadcast_radio_checked(broadcaster: &HTMLInputElement, group: Option<&str>)
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do_broadcast(doc_node, broadcaster, owner.r(), group)
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}
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// https://html.spec.whatwg.org/multipage/#radio-button-group
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fn in_same_group(other: &HTMLInputElement, owner: Option<&HTMLFormElement>,
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group: Option<&str>) -> bool {
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group: Option<&Atom>) -> bool {
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let other_owner = other.form_owner();
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let other_owner = other_owner.r();
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other.input_type.get() == InputType::InputRadio &&
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@ -376,8 +386,7 @@ fn in_same_group(other: &HTMLInputElement, owner: Option<&HTMLFormElement>,
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other_owner == owner &&
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// TODO should be a unicode compatibility caseless match
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match (other.get_radio_group_name(), group) {
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(Some(ref s1), Some(s2)) => &**s1 == s2,
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(None, None) => true,
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(Some(ref s1), Some(s2)) => s1 == s2 && s2 != &atom!(""),
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_ => false
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}
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}
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@ -389,17 +398,18 @@ impl HTMLInputElement {
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doc.r().content_changed(node, NodeDamage::OtherNodeDamage)
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}
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pub fn radio_group_updated(&self, group: Option<&str>) {
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pub fn radio_group_updated(&self, group: Option<&Atom>) {
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if self.Checked() {
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broadcast_radio_checked(self, group);
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}
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}
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pub fn get_radio_group_name(&self) -> Option<String> {
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// https://html.spec.whatwg.org/multipage/#radio-button-group
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pub fn get_radio_group_name(&self) -> Option<Atom> {
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//TODO: determine form owner
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let elem = ElementCast::from_ref(self);
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elem.get_attribute(&ns!(""), &atom!("name"))
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.map(|name| name.r().Value())
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.map(|name| name.value().as_atom().clone())
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}
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pub fn update_checked_state(&self, checked: bool, dirty: bool) {
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@ -411,9 +421,7 @@ impl HTMLInputElement {
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if self.input_type.get() == InputType::InputRadio && checked {
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broadcast_radio_checked(self,
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self.get_radio_group_name()
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.as_ref()
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.map(|group| &**group));
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self.get_radio_group_name().as_ref());
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}
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self.force_relayout();
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@ -509,14 +517,14 @@ impl VirtualMethods for HTMLInputElement {
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self.input_type.set(value);
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if value == InputType::InputRadio {
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self.radio_group_updated(
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self.get_radio_group_name().as_ref().map(|group| &**group));
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self.get_radio_group_name().as_ref());
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}
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},
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AttributeMutation::Removed => {
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if self.input_type.get() == InputType::InputRadio {
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broadcast_radio_checked(
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self,
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self.get_radio_group_name().as_ref().map(|group| &**group));
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self.get_radio_group_name().as_ref());
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}
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self.input_type.set(InputType::InputText);
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}
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@ -529,7 +537,7 @@ impl VirtualMethods for HTMLInputElement {
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},
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&atom!(name) if self.input_type.get() == InputType::InputRadio => {
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self.radio_group_updated(
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mutation.new_value(attr).as_ref().map(|value| &***value));
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mutation.new_value(attr).as_ref().map(|name| name.as_atom()));
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},
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&atom!(placeholder) => {
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let mut placeholder = self.placeholder.borrow_mut();
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@ -545,6 +553,7 @@ impl VirtualMethods for HTMLInputElement {
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fn parse_plain_attribute(&self, name: &Atom, value: DOMString) -> AttrValue {
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match name {
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&atom!(name) => AttrValue::from_atomic(value),
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&atom!("size") => AttrValue::from_limited_u32(value, DEFAULT_INPUT_SIZE),
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_ => self.super_type().unwrap().parse_plain_attribute(name, value),
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}
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@ -681,7 +690,7 @@ impl Activatable for HTMLInputElement {
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doc_node.query_selector_iter("input[type=radio]".to_owned()).unwrap()
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.filter_map(HTMLInputElementCast::to_root)
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.find(|r| {
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in_same_group(r.r(), owner.r(), group.as_ref().map(|gr| &**gr)) &&
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in_same_group(r.r(), owner.r(), group.as_ref()) &&
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r.r().Checked()
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})
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};
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