script/dom/html/
htmloptgroupelement.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5use dom_struct::dom_struct;
6use html5ever::{LocalName, Prefix, local_name};
7use js::rust::HandleObject;
8use script_bindings::str::DOMString;
9use stylo_dom::ElementState;
10
11use crate::dom::attr::Attr;
12use crate::dom::bindings::codegen::Bindings::HTMLOptGroupElementBinding::HTMLOptGroupElementMethods;
13use crate::dom::bindings::codegen::GenericBindings::NodeBinding::Node_Binding::NodeMethods;
14use crate::dom::bindings::inheritance::Castable;
15use crate::dom::bindings::root::DomRoot;
16use crate::dom::document::Document;
17use crate::dom::element::{AttributeMutation, Element};
18use crate::dom::html::htmlelement::HTMLElement;
19use crate::dom::html::htmloptionelement::HTMLOptionElement;
20use crate::dom::html::htmlselectelement::HTMLSelectElement;
21use crate::dom::node::{BindContext, Node, UnbindContext};
22use crate::dom::validation::Validatable;
23use crate::dom::validitystate::ValidationFlags;
24use crate::dom::virtualmethods::VirtualMethods;
25use crate::script_runtime::CanGc;
26
27/// <https://html.spec.whatwg.org/multipage/#htmloptgroupelement>
28#[dom_struct]
29pub(crate) struct HTMLOptGroupElement {
30    htmlelement: HTMLElement,
31}
32
33impl HTMLOptGroupElement {
34    fn new_inherited(
35        local_name: LocalName,
36        prefix: Option<Prefix>,
37        document: &Document,
38    ) -> HTMLOptGroupElement {
39        HTMLOptGroupElement {
40            htmlelement: HTMLElement::new_inherited_with_state(
41                ElementState::ENABLED,
42                local_name,
43                prefix,
44                document,
45            ),
46        }
47    }
48
49    #[cfg_attr(crown, allow(crown::unrooted_must_root))]
50    pub(crate) fn new(
51        local_name: LocalName,
52        prefix: Option<Prefix>,
53        document: &Document,
54        proto: Option<HandleObject>,
55        can_gc: CanGc,
56    ) -> DomRoot<HTMLOptGroupElement> {
57        Node::reflect_node_with_proto(
58            Box::new(HTMLOptGroupElement::new_inherited(
59                local_name, prefix, document,
60            )),
61            document,
62            proto,
63            can_gc,
64        )
65    }
66
67    fn update_select_validity(&self, can_gc: CanGc) {
68        if let Some(select) = self.owner_select_element() {
69            select
70                .validity_state()
71                .perform_validation_and_update(ValidationFlags::all(), can_gc);
72        }
73    }
74
75    fn owner_select_element(&self) -> Option<DomRoot<HTMLSelectElement>> {
76        self.upcast::<Node>()
77            .GetParentNode()
78            .and_then(DomRoot::downcast)
79    }
80}
81
82impl HTMLOptGroupElementMethods<crate::DomTypeHolder> for HTMLOptGroupElement {
83    // https://html.spec.whatwg.org/multipage/#dom-optgroup-disabled
84    make_bool_getter!(Disabled, "disabled");
85
86    // https://html.spec.whatwg.org/multipage/#dom-optgroup-disabled
87    make_bool_setter!(SetDisabled, "disabled");
88
89    // https://html.spec.whatwg.org/multipage/#dom-optgroup-label
90    make_getter!(Label, "label");
91
92    // https://html.spec.whatwg.org/multipage/#dom-optgroup-label
93    make_setter!(SetLabel, "label");
94}
95
96impl VirtualMethods for HTMLOptGroupElement {
97    fn super_type(&self) -> Option<&dyn VirtualMethods> {
98        Some(self.upcast::<HTMLElement>() as &dyn VirtualMethods)
99    }
100
101    fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation, can_gc: CanGc) {
102        self.super_type()
103            .unwrap()
104            .attribute_mutated(attr, mutation, can_gc);
105        if attr.local_name() == &local_name!("disabled") {
106            let disabled_state = match mutation {
107                AttributeMutation::Set(None) => true,
108                AttributeMutation::Set(Some(_)) => {
109                    // Option group was already disabled.
110                    return;
111                },
112                AttributeMutation::Removed => false,
113            };
114            let el = self.upcast::<Element>();
115            el.set_disabled_state(disabled_state);
116            el.set_enabled_state(!disabled_state);
117            let options = el
118                .upcast::<Node>()
119                .children()
120                .filter(|child| child.is::<HTMLOptionElement>())
121                .map(|child| DomRoot::from_ref(child.downcast::<HTMLOptionElement>().unwrap()));
122            if disabled_state {
123                for option in options {
124                    let el = option.upcast::<Element>();
125                    el.set_disabled_state(true);
126                    el.set_enabled_state(false);
127                }
128            } else {
129                for option in options {
130                    let el = option.upcast::<Element>();
131                    el.check_disabled_attribute();
132                }
133            }
134        }
135    }
136
137    fn bind_to_tree(&self, context: &BindContext, can_gc: CanGc) {
138        if let Some(super_type) = self.super_type() {
139            super_type.bind_to_tree(context, can_gc);
140        }
141
142        self.update_select_validity(can_gc);
143    }
144
145    fn unbind_from_tree(&self, context: &UnbindContext, can_gc: CanGc) {
146        self.super_type().unwrap().unbind_from_tree(context, can_gc);
147
148        if let Some(select) = context.parent.downcast::<HTMLSelectElement>() {
149            select
150                .validity_state()
151                .perform_validation_and_update(ValidationFlags::all(), can_gc);
152        }
153    }
154}
script/dom/html/htmloptgroupelement.rs

script/dom/html/
htmloptgroupelement.rs
