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100 lines
3.4 KiB
Rust
100 lines
3.4 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::HTMLDetailsElementBinding;
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use dom::bindings::codegen::Bindings::HTMLDetailsElementBinding::HTMLDetailsElementMethods;
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use dom::bindings::inheritance::Castable;
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use dom::bindings::js::Root;
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use dom::bindings::refcounted::Trusted;
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use dom::document::Document;
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use dom::element::AttributeMutation;
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use dom::eventtarget::EventTarget;
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use dom::htmlelement::HTMLElement;
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use dom::node::{Node, window_from_node};
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use dom::virtualmethods::VirtualMethods;
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use dom_struct::dom_struct;
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use html5ever::{LocalName, Prefix};
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use script_thread::Runnable;
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use std::cell::Cell;
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use task_source::TaskSource;
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#[dom_struct]
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pub struct HTMLDetailsElement {
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htmlelement: HTMLElement,
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toggle_counter: Cell<u32>
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}
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impl HTMLDetailsElement {
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fn new_inherited(local_name: LocalName,
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prefix: Option<Prefix>,
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document: &Document) -> HTMLDetailsElement {
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HTMLDetailsElement {
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htmlelement:
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HTMLElement::new_inherited(local_name, prefix, document),
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toggle_counter: Cell::new(0)
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}
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}
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#[allow(unrooted_must_root)]
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pub fn new(local_name: LocalName,
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prefix: Option<Prefix>,
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document: &Document) -> Root<HTMLDetailsElement> {
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Node::reflect_node(box HTMLDetailsElement::new_inherited(local_name, prefix, document),
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document,
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HTMLDetailsElementBinding::Wrap)
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}
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pub fn check_toggle_count(&self, number: u32) -> bool {
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number == self.toggle_counter.get()
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}
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}
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impl HTMLDetailsElementMethods for HTMLDetailsElement {
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// https://html.spec.whatwg.org/multipage/#dom-details-open
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make_bool_getter!(Open, "open");
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// https://html.spec.whatwg.org/multipage/#dom-details-open
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make_bool_setter!(SetOpen, "open");
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}
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impl VirtualMethods for HTMLDetailsElement {
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fn super_type(&self) -> Option<&VirtualMethods> {
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Some(self.upcast::<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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if attr.local_name() == &local_name!("open") {
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let counter = self.toggle_counter.get() + 1;
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self.toggle_counter.set(counter);
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let window = window_from_node(self);
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let task_source = window.dom_manipulation_task_source();
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let details = Trusted::new(self);
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let runnable = box DetailsNotificationRunnable {
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element: details,
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toggle_number: counter
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};
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let _ = task_source.queue(runnable, window.upcast());
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}
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}
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}
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pub struct DetailsNotificationRunnable {
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element: Trusted<HTMLDetailsElement>,
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toggle_number: u32
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}
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impl Runnable for DetailsNotificationRunnable {
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fn name(&self) -> &'static str { "DetailsNotificationRunnable" }
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fn handler(self: Box<DetailsNotificationRunnable>) {
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let target = self.element.root();
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if target.check_toggle_count(self.toggle_number) {
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target.upcast::<EventTarget>().fire_event(atom!("toggle"));
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}
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}
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}
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