script/dom/svg/
svgelement.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, ns};
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::HTMLOrSVGElementBinding::FocusOptions;
13use crate::dom::bindings::codegen::Bindings::SVGElementBinding::SVGElementMethods;
14use crate::dom::bindings::inheritance::Castable;
15use crate::dom::bindings::root::{Dom, DomRoot, MutNullableDom};
16use crate::dom::css::cssstyledeclaration::{
17    CSSModificationAccess, CSSStyleDeclaration, CSSStyleOwner,
18};
19use crate::dom::document::{Document, FocusInitiator};
20use crate::dom::element::{AttributeMutation, Element};
21use crate::dom::node::{Node, NodeTraits};
22use crate::dom::virtualmethods::VirtualMethods;
23use crate::script_runtime::CanGc;
24
25#[dom_struct]
26pub(crate) struct SVGElement {
27    element: Element,
28    style_decl: MutNullableDom<CSSStyleDeclaration>,
29}
30
31impl SVGElement {
32    fn new_inherited(
33        tag_name: LocalName,
34        prefix: Option<Prefix>,
35        document: &Document,
36    ) -> SVGElement {
37        SVGElement::new_inherited_with_state(ElementState::empty(), tag_name, prefix, document)
38    }
39
40    pub(crate) fn new_inherited_with_state(
41        state: ElementState,
42        tag_name: LocalName,
43        prefix: Option<Prefix>,
44        document: &Document,
45    ) -> SVGElement {
46        SVGElement {
47            element: Element::new_inherited_with_state(state, tag_name, ns!(svg), prefix, document),
48            style_decl: Default::default(),
49        }
50    }
51
52    pub(crate) fn new(
53        tag_name: LocalName,
54        prefix: Option<Prefix>,
55        document: &Document,
56        proto: Option<HandleObject>,
57        can_gc: CanGc,
58    ) -> DomRoot<SVGElement> {
59        Node::reflect_node_with_proto(
60            Box::new(SVGElement::new_inherited(tag_name, prefix, document)),
61            document,
62            proto,
63            can_gc,
64        )
65    }
66
67    fn as_element(&self) -> &Element {
68        self.upcast::<Element>()
69    }
70}
71
72impl VirtualMethods for SVGElement {
73    fn super_type(&self) -> Option<&dyn VirtualMethods> {
74        Some(self.as_element() as &dyn VirtualMethods)
75    }
76
77    fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation, can_gc: CanGc) {
78        self.super_type()
79            .unwrap()
80            .attribute_mutated(attr, mutation, can_gc);
81        let element = self.as_element();
82        if let (&local_name!("nonce"), mutation) = (attr.local_name(), mutation) {
83            match mutation {
84                AttributeMutation::Set(_) => {
85                    let nonce = &**attr.value();
86                    element.update_nonce_internal_slot(nonce.to_owned());
87                },
88                AttributeMutation::Removed => {
89                    element.update_nonce_internal_slot(String::new());
90                },
91            }
92        }
93    }
94}
95
96impl SVGElementMethods<crate::DomTypeHolder> for SVGElement {
97    /// <https://html.spec.whatwg.org/multipage/#the-style-attribute>
98    fn Style(&self) -> DomRoot<CSSStyleDeclaration> {
99        self.style_decl.or_init(|| {
100            let global = self.owner_window();
101            CSSStyleDeclaration::new(
102                &global,
103                CSSStyleOwner::Element(Dom::from_ref(self.upcast())),
104                None,
105                CSSModificationAccess::ReadWrite,
106                CanGc::note(),
107            )
108        })
109    }
110
111    // https://html.spec.whatwg.org/multipage/#globaleventhandlers
112    global_event_handlers!();
113
114    /// <https://html.spec.whatwg.org/multipage/#dom-noncedelement-nonce>
115    fn Nonce(&self) -> DOMString {
116        self.as_element().nonce_value().into()
117    }
118
119    /// <https://html.spec.whatwg.org/multipage/#dom-noncedelement-nonce>
120    fn SetNonce(&self, value: DOMString) {
121        self.as_element()
122            .update_nonce_internal_slot(value.to_string())
123    }
124
125    /// <https://html.spec.whatwg.org/multipage/#dom-fe-autofocus>
126    fn Autofocus(&self) -> bool {
127        self.element.has_attribute(&local_name!("autofocus"))
128    }
129
130    /// <https://html.spec.whatwg.org/multipage/#dom-fe-autofocus>
131    fn SetAutofocus(&self, autofocus: bool, can_gc: CanGc) {
132        self.element
133            .set_bool_attribute(&local_name!("autofocus"), autofocus, can_gc);
134    }
135
136    /// <https://html.spec.whatwg.org/multipage/#dom-focus>
137    fn Focus(&self, options: &FocusOptions) {
138        let document = self.element.owner_document();
139        document.request_focus_with_options(
140            Some(&self.element),
141            FocusInitiator::Local,
142            FocusOptions {
143                preventScroll: options.preventScroll,
144            },
145            CanGc::note(),
146        );
147    }
148}
script/dom/svg/svgelement.rs

script/dom/svg/
svgelement.rs
