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c92cd9e624
See #38901. Testing: Refactor Fixes: Partially #38901 Signed-off-by: Ashwin Naren <arihant2math@gmail.com>
107 lines
3 KiB
Rust
107 lines
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 https://mozilla.org/MPL/2.0/. */
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use dom_struct::dom_struct;
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use indexmap::IndexSet;
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use script_bindings::codegen::GenericBindings::ElementInternalsBinding::CustomStateSetMethods;
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use script_bindings::like::Setlike;
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use script_bindings::root::{Dom, DomRoot};
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use script_bindings::script_runtime::CanGc;
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use script_bindings::str::DOMString;
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use script_bindings::trace::CustomTraceable;
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use style::values::AtomIdent;
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use crate::dom::bindings::cell::DomRefCell;
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::bindings::reflector::{Reflector, reflect_dom_object};
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use crate::dom::html::htmlelement::HTMLElement;
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use crate::dom::node::{Node, NodeDamage};
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use crate::dom::window::Window;
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/// <https://html.spec.whatwg.org/multipage/#customstateset>
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#[dom_struct]
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pub(crate) struct CustomStateSet {
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reflector: Reflector,
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internal: DomRefCell<IndexSet<DOMString>>,
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owner_element: Dom<HTMLElement>,
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}
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impl CustomStateSet {
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fn new_inherited(element: &HTMLElement) -> Self {
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Self {
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reflector: Reflector::new(),
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internal: DomRefCell::new(Default::default()),
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owner_element: Dom::from_ref(element),
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}
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}
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pub(crate) fn new(window: &Window, element: &HTMLElement, can_gc: CanGc) -> DomRoot<Self> {
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reflect_dom_object(Box::new(Self::new_inherited(element)), window, can_gc)
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}
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pub(crate) fn for_each_state<F>(&self, mut callback: F)
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where
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F: FnMut(&AtomIdent),
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{
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// FIXME: This creates new atoms whenever it is called, which is not optimal.
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for state in self.internal.borrow().iter() {
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callback(&AtomIdent::from(state.str()));
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}
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}
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fn states_did_change(&self) {
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self.owner_element.upcast::<Node>().dirty(NodeDamage::Other);
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}
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}
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impl Setlike for CustomStateSet {
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type Key = DOMString;
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#[inline(always)]
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fn get_index(&self, index: u32) -> Option<Self::Key> {
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self.internal.get_index(index)
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}
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#[inline(always)]
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fn size(&self) -> u32 {
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self.internal.size()
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}
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#[inline(always)]
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fn add(&self, key: Self::Key) {
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self.internal.add(key);
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self.states_did_change();
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}
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#[inline(always)]
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fn has(&self, key: Self::Key) -> bool {
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self.internal.has(key)
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}
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#[inline(always)]
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fn clear(&self) {
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let old_size = self.internal.size();
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self.internal.clear();
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if old_size != 0 {
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self.states_did_change();
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}
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}
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#[inline(always)]
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fn delete(&self, key: Self::Key) -> bool {
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if self.internal.delete(key) {
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self.states_did_change();
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true
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} else {
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false
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}
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}
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}
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impl CustomStateSetMethods<crate::DomTypeHolder> for CustomStateSet {
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/// <https://html.spec.whatwg.org/multipage/#customstateset>
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fn Size(&self) -> u32 {
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self.internal.size()
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}
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}
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