use std::ops::{Add, Div};
use dom_struct::dom_struct;
use html5ever::{local_name, LocalName, Prefix};
use js::rust::HandleObject;
use crate::dom::bindings::codegen::Bindings::HTMLMeterElementBinding::HTMLMeterElementMethods;
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::num::Finite;
use crate::dom::bindings::root::{DomRoot, MutNullableDom};
use crate::dom::bindings::str::DOMString;
use crate::dom::document::Document;
use crate::dom::element::Element;
use crate::dom::htmlelement::HTMLElement;
use crate::dom::node::Node;
use crate::dom::nodelist::NodeList;
#[dom_struct]
pub struct HTMLMeterElement {
htmlelement: HTMLElement,
labels_node_list: MutNullableDom<NodeList>,
}
impl HTMLMeterElement {
fn new_inherited(
local_name: LocalName,
prefix: Option<Prefix>,
document: &Document,
) -> HTMLMeterElement {
HTMLMeterElement {
htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
labels_node_list: MutNullableDom::new(None),
}
}
#[allow(crown::unrooted_must_root)]
pub fn new(
local_name: LocalName,
prefix: Option<Prefix>,
document: &Document,
proto: Option<HandleObject>,
) -> DomRoot<HTMLMeterElement> {
Node::reflect_node_with_proto(
Box::new(HTMLMeterElement::new_inherited(
local_name, prefix, document,
)),
document,
proto,
)
}
}
impl HTMLMeterElementMethods for HTMLMeterElement {
make_labels_getter!(Labels, labels_node_list);
fn Value(&self) -> Finite<f64> {
let min = *self.Min();
let max = *self.Max();
Finite::wrap(
self.upcast::<Element>()
.get_string_attribute(&local_name!("value"))
.parse_floating_point_number()
.map_or(0.0, |candidate_actual_value| {
candidate_actual_value.clamp(min, max)
}),
)
}
fn SetValue(&self, value: Finite<f64>) {
let mut string_value = DOMString::from_string((*value).to_string());
string_value.set_best_representation_of_the_floating_point_number();
self.upcast::<Element>()
.set_string_attribute(&local_name!("value"), string_value);
}
fn Min(&self) -> Finite<f64> {
Finite::wrap(
self.upcast::<Element>()
.get_string_attribute(&local_name!("min"))
.parse_floating_point_number()
.unwrap_or(0.0),
)
}
fn SetMin(&self, value: Finite<f64>) {
let mut string_value = DOMString::from_string((*value).to_string());
string_value.set_best_representation_of_the_floating_point_number();
self.upcast::<Element>()
.set_string_attribute(&local_name!("min"), string_value);
}
fn Max(&self) -> Finite<f64> {
Finite::wrap(
self.upcast::<Element>()
.get_string_attribute(&local_name!("max"))
.parse_floating_point_number()
.unwrap_or(1.0)
.max(*self.Min()),
)
}
fn SetMax(&self, value: Finite<f64>) {
let mut string_value = DOMString::from_string((*value).to_string());
string_value.set_best_representation_of_the_floating_point_number();
self.upcast::<Element>()
.set_string_attribute(&local_name!("max"), string_value);
}
fn Low(&self) -> Finite<f64> {
let min = *self.Min();
let max = *self.Max();
Finite::wrap(
self.upcast::<Element>()
.get_string_attribute(&local_name!("low"))
.parse_floating_point_number()
.map_or(min, |candidate_low_boundary| {
candidate_low_boundary.clamp(min, max)
}),
)
}
fn SetLow(&self, value: Finite<f64>) {
let mut string_value = DOMString::from_string((*value).to_string());
string_value.set_best_representation_of_the_floating_point_number();
self.upcast::<Element>()
.set_string_attribute(&local_name!("low"), string_value);
}
fn High(&self) -> Finite<f64> {
let max: f64 = *self.Max();
let low: f64 = *self.Low();
Finite::wrap(
self.upcast::<Element>()
.get_string_attribute(&local_name!("high"))
.parse_floating_point_number()
.map_or(max, |candidate_high_boundary| {
if candidate_high_boundary < low {
return low;
}
candidate_high_boundary.clamp(*self.Min(), max)
}),
)
}
fn SetHigh(&self, value: Finite<f64>) {
let mut string_value = DOMString::from_string((*value).to_string());
string_value.set_best_representation_of_the_floating_point_number();
self.upcast::<Element>()
.set_string_attribute(&local_name!("high"), string_value);
}
fn Optimum(&self) -> Finite<f64> {
let max = *self.Max();
let min = *self.Min();
Finite::wrap(
self.upcast::<Element>()
.get_string_attribute(&local_name!("optimum"))
.parse_floating_point_number()
.map_or(max.add(min).div(2.0), |candidate_optimum_point| {
candidate_optimum_point.clamp(min, max)
}),
)
}
fn SetOptimum(&self, value: Finite<f64>) {
let mut string_value = DOMString::from_string((*value).to_string());
string_value.set_best_representation_of_the_floating_point_number();
self.upcast::<Element>()
.set_string_attribute(&local_name!("optimum"), string_value);
}
}