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Given codegen now generates the various TypeId enums, it seems pointless to still have to write their respective values in every DOM struct inheriting from Node just to set the initial IS_IN_DOC flag in Document and IN_ENABLED_STATE in form controls.
153 lines
6.3 KiB
Rust
153 lines
6.3 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use dom::attr::Attr;
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use dom::bindings::codegen::Bindings::HTMLFieldSetElementBinding;
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use dom::bindings::codegen::Bindings::HTMLFieldSetElementBinding::HTMLFieldSetElementMethods;
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use dom::bindings::codegen::InheritTypes::{ElementTypeId, HTMLElementCast};
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use dom::bindings::codegen::InheritTypes::{HTMLElementTypeId, HTMLLegendElementDerived};
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use dom::bindings::codegen::InheritTypes::{NodeCast, NodeTypeId};
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use dom::bindings::js::{Root, RootedReference};
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use dom::document::Document;
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use dom::element::{AttributeMutation, Element};
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use dom::htmlcollection::{CollectionFilter, HTMLCollection};
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use dom::htmlelement::HTMLElement;
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use dom::htmlformelement::{FormControl, HTMLFormElement};
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use dom::node::{IN_ENABLED_STATE, Node, NodeFlags, window_from_node};
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use dom::validitystate::ValidityState;
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use dom::virtualmethods::VirtualMethods;
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use util::str::{DOMString, StaticStringVec};
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#[dom_struct]
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pub struct HTMLFieldSetElement {
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htmlelement: HTMLElement
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}
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impl HTMLFieldSetElement {
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fn new_inherited(localName: DOMString,
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prefix: Option<DOMString>,
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document: &Document) -> HTMLFieldSetElement {
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HTMLFieldSetElement {
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htmlelement:
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HTMLElement::new_inherited_with_flags(NodeFlags::new() | IN_ENABLED_STATE,
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localName, prefix, document)
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}
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}
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#[allow(unrooted_must_root)]
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pub fn new(localName: DOMString,
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prefix: Option<DOMString>,
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document: &Document) -> Root<HTMLFieldSetElement> {
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let element = HTMLFieldSetElement::new_inherited(localName, prefix, document);
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Node::reflect_node(box element, document, HTMLFieldSetElementBinding::Wrap)
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}
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}
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impl HTMLFieldSetElementMethods for HTMLFieldSetElement {
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// https://html.spec.whatwg.org/multipage/#dom-fieldset-elements
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fn Elements(&self) -> Root<HTMLCollection> {
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#[derive(JSTraceable, HeapSizeOf)]
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struct ElementsFilter;
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impl CollectionFilter for ElementsFilter {
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fn filter<'a>(&self, elem: &'a Element, _root: &'a Node) -> bool {
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static TAG_NAMES: StaticStringVec = &["button", "fieldset", "input",
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"keygen", "object", "output", "select", "textarea"];
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TAG_NAMES.iter().any(|&tag_name| tag_name == &**elem.local_name())
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}
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}
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let node = NodeCast::from_ref(self);
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let filter = box ElementsFilter;
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let window = window_from_node(node);
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HTMLCollection::create(window.r(), node, filter)
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}
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// https://html.spec.whatwg.org/multipage/#dom-cva-validity
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fn Validity(&self) -> Root<ValidityState> {
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let window = window_from_node(self);
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ValidityState::new(window.r())
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}
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// https://html.spec.whatwg.org/multipage/#dom-fieldset-disabled
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make_bool_getter!(Disabled);
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// https://html.spec.whatwg.org/multipage/#dom-fieldset-disabled
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make_bool_setter!(SetDisabled, "disabled");
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// https://html.spec.whatwg.org/multipage/#dom-fae-form
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fn GetForm(&self) -> Option<Root<HTMLFormElement>> {
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self.form_owner()
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}
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}
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impl VirtualMethods for HTMLFieldSetElement {
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fn super_type<'b>(&'b self) -> Option<&'b VirtualMethods> {
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let htmlelement: &HTMLElement = HTMLElementCast::from_ref(self);
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Some(htmlelement as &VirtualMethods)
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}
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fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
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self.super_type().unwrap().attribute_mutated(attr, mutation);
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match attr.local_name() {
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&atom!(disabled) => {
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let disabled_state = match mutation {
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AttributeMutation::Set(None) => true,
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AttributeMutation::Set(Some(_)) => {
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// Fieldset was already disabled before.
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return;
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},
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AttributeMutation::Removed => false,
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};
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let node = NodeCast::from_ref(self);
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node.set_disabled_state(disabled_state);
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node.set_enabled_state(!disabled_state);
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let mut found_legend = false;
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let children = node.children().filter(|node| {
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if found_legend {
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true
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} else if node.is_htmllegendelement() {
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found_legend = true;
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false
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} else {
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true
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}
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});
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let fields = children.flat_map(|child| {
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child.traverse_preorder().filter(|descendant| {
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match descendant.r().type_id() {
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NodeTypeId::Element(
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ElementTypeId::HTMLElement(
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HTMLElementTypeId::HTMLButtonElement)) |
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NodeTypeId::Element(
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ElementTypeId::HTMLElement(
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HTMLElementTypeId::HTMLInputElement)) |
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NodeTypeId::Element(
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ElementTypeId::HTMLElement(
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HTMLElementTypeId::HTMLSelectElement)) |
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NodeTypeId::Element(
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ElementTypeId::HTMLElement(
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HTMLElementTypeId::HTMLTextAreaElement)) => {
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true
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},
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_ => false,
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}
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})
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});
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if disabled_state {
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for field in fields {
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field.set_disabled_state(true);
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field.set_enabled_state(false);
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}
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} else {
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for field in fields {
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field.check_disabled_attribute();
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field.check_ancestors_disabled_state_for_form_control();
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}
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}
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},
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_ => {},
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}
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}
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}
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impl FormControl for HTMLFieldSetElement {}
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