mirror of
https://github.com/servo/servo.git
synced 2025-06-06 16:45:39 +00:00
873cdd1336
This event is triggered when an animation iterates. This change also moves iteration out of style calculation to an "update animations" which is the next part of having animation event handling match the HTML spec.
675 lines
25 KiB
Rust
675 lines
25 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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#[macro_export]
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macro_rules! make_getter(
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self) -> DOMString {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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let element = self.upcast::<Element>();
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element.get_string_attribute(&local_name!($htmlname))
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}
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);
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);
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#[macro_export]
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macro_rules! make_bool_getter(
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self) -> bool {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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let element = self.upcast::<Element>();
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element.has_attribute(&local_name!($htmlname))
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}
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);
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);
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#[macro_export]
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macro_rules! make_limited_int_setter(
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($attr:ident, $htmlname:tt, $default:expr) => (
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fn $attr(&self, value: i32) -> $crate::dom::bindings::error::ErrorResult {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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let value = if value < 0 {
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return Err($crate::dom::bindings::error::Error::IndexSize);
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} else {
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value
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};
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let element = self.upcast::<Element>();
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element.set_int_attribute(&local_name!($htmlname), value);
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Ok(())
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}
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);
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);
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#[macro_export]
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macro_rules! make_int_setter(
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($attr:ident, $htmlname:tt, $default:expr) => (
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fn $attr(&self, value: i32) {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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let element = self.upcast::<Element>();
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element.set_int_attribute(&local_name!($htmlname), value)
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}
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);
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($attr:ident, $htmlname:tt) => {
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make_int_setter!($attr, $htmlname, 0);
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};
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);
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#[macro_export]
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macro_rules! make_int_getter(
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($attr:ident, $htmlname:tt, $default:expr) => (
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fn $attr(&self) -> i32 {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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let element = self.upcast::<Element>();
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element.get_int_attribute(&local_name!($htmlname), $default)
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}
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);
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($attr:ident, $htmlname:tt) => {
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make_int_getter!($attr, $htmlname, 0);
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};
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);
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#[macro_export]
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macro_rules! make_uint_getter(
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($attr:ident, $htmlname:tt, $default:expr) => (
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fn $attr(&self) -> u32 {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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let element = self.upcast::<Element>();
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element.get_uint_attribute(&local_name!($htmlname), $default)
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}
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);
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($attr:ident, $htmlname:tt) => {
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make_uint_getter!($attr, $htmlname, 0);
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};
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);
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#[macro_export]
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macro_rules! make_url_getter(
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self) -> USVString {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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let element = self.upcast::<Element>();
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element.get_url_attribute(&local_name!($htmlname))
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}
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);
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);
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#[macro_export]
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macro_rules! make_url_setter(
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self, value: USVString) {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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let element = self.upcast::<Element>();
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element.set_url_attribute(&local_name!($htmlname),
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value);
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}
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);
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);
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#[macro_export]
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macro_rules! make_form_action_getter(
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self) -> DOMString {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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let element = self.upcast::<Element>();
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let doc = crate::dom::node::document_from_node(self);
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let attr = element.get_attribute(&ns!(), &local_name!($htmlname));
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let value = attr.as_ref().map(|attr| attr.value());
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let value = match value {
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Some(ref value) if !value.is_empty() => &***value,
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_ => return doc.url().into_string().into(),
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};
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match doc.base_url().join(value) {
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Ok(parsed) => parsed.into_string().into(),
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Err(_) => value.to_owned().into(),
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}
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}
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);
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);
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#[macro_export]
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macro_rules! make_labels_getter(
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( $attr:ident, $memo:ident ) => (
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fn $attr(&self) -> DomRoot<NodeList> {
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use crate::dom::htmlelement::HTMLElement;
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use crate::dom::nodelist::NodeList;
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self.$memo.or_init(|| NodeList::new_labels_list(
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self.upcast::<Node>().owner_doc().window(),
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self.upcast::<HTMLElement>()
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)
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)
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}
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);
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);
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#[macro_export]
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macro_rules! make_enumerated_getter(
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( $attr:ident, $htmlname:tt, $default:expr, $($choices: pat)|+) => (
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fn $attr(&self) -> DOMString {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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let element = self.upcast::<Element>();
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let mut val = element.get_string_attribute(&local_name!($htmlname));
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val.make_ascii_lowercase();
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// https://html.spec.whatwg.org/multipage/#attr-fs-method
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match &*val {
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$($choices)|+ => val,
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_ => DOMString::from($default)
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}
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}
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);
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);
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// concat_idents! doesn't work for function name positions, so
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// we have to specify both the content name and the HTML name here
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#[macro_export]
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macro_rules! make_setter(
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self, value: DOMString) {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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let element = self.upcast::<Element>();
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element.set_string_attribute(&local_name!($htmlname), value)
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}
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);
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);
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#[macro_export]
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macro_rules! make_bool_setter(
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self, value: bool) {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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let element = self.upcast::<Element>();
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element.set_bool_attribute(&local_name!($htmlname), value)
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}
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);
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);
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#[macro_export]
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macro_rules! make_uint_setter(
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($attr:ident, $htmlname:tt, $default:expr) => (
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fn $attr(&self, value: u32) {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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use crate::dom::values::UNSIGNED_LONG_MAX;
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let value = if value > UNSIGNED_LONG_MAX {
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$default
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} else {
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value
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};
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let element = self.upcast::<Element>();
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element.set_uint_attribute(&local_name!($htmlname), value)
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}
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);
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($attr:ident, $htmlname:tt) => {
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make_uint_setter!($attr, $htmlname, 0);
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};
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);
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#[macro_export]
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macro_rules! make_limited_uint_setter(
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($attr:ident, $htmlname:tt, $default:expr) => (
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fn $attr(&self, value: u32) -> $crate::dom::bindings::error::ErrorResult {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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use crate::dom::values::UNSIGNED_LONG_MAX;
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let value = if value == 0 {
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return Err($crate::dom::bindings::error::Error::IndexSize);
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} else if value > UNSIGNED_LONG_MAX {
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$default
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} else {
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value
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};
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let element = self.upcast::<Element>();
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element.set_uint_attribute(&local_name!($htmlname), value);
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Ok(())
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}
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);
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($attr:ident, $htmlname:tt) => {
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make_limited_uint_setter!($attr, $htmlname, 1);
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};
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);
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#[macro_export]
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macro_rules! make_atomic_setter(
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self, value: DOMString) {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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let element = self.upcast::<Element>();
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element.set_atomic_attribute(&local_name!($htmlname), value)
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}
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);
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);
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#[macro_export]
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macro_rules! make_legacy_color_setter(
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self, value: DOMString) {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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use style::attr::AttrValue;
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let element = self.upcast::<Element>();
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let value = AttrValue::from_legacy_color(value.into());
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element.set_attribute(&local_name!($htmlname), value)
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}
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);
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);
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#[macro_export]
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macro_rules! make_dimension_setter(
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self, value: DOMString) {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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let element = self.upcast::<Element>();
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let value = AttrValue::from_dimension(value.into());
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element.set_attribute(&local_name!($htmlname), value)
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}
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);
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);
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#[macro_export]
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macro_rules! make_nonzero_dimension_setter(
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( $attr:ident, $htmlname:tt ) => (
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fn $attr(&self, value: DOMString) {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::element::Element;
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let element = self.upcast::<Element>();
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let value = AttrValue::from_nonzero_dimension(value.into());
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element.set_attribute(&local_name!($htmlname), value)
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}
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);
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);
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/// For use on non-jsmanaged types
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/// Use #[derive(JSTraceable)] on JS managed types
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macro_rules! unsafe_no_jsmanaged_fields(
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($($ty:ty),+) => (
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$(
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#[allow(unsafe_code)]
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unsafe impl $crate::dom::bindings::trace::JSTraceable for $ty {
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#[inline]
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unsafe fn trace(&self, _: *mut ::js::jsapi::JSTracer) {
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// Do nothing
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}
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}
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)+
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);
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);
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macro_rules! jsmanaged_array(
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($count:expr) => (
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#[allow(unsafe_code)]
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unsafe impl<T> $crate::dom::bindings::trace::JSTraceable for [T; $count]
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where T: $crate::dom::bindings::trace::JSTraceable
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{
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#[inline]
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unsafe fn trace(&self, tracer: *mut ::js::jsapi::JSTracer) {
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for v in self.iter() {
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v.trace(tracer);
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}
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}
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}
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);
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);
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/// These are used to generate a event handler which has no special case.
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macro_rules! define_event_handler(
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($handler: ty, $event_type: ident, $getter: ident, $setter: ident, $setter_fn: ident) => (
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fn $getter(&self) -> Option<::std::rc::Rc<$handler>> {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::eventtarget::EventTarget;
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let eventtarget = self.upcast::<EventTarget>();
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eventtarget.get_event_handler_common(stringify!($event_type))
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}
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fn $setter(&self, listener: Option<::std::rc::Rc<$handler>>) {
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::eventtarget::EventTarget;
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let eventtarget = self.upcast::<EventTarget>();
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eventtarget.$setter_fn(stringify!($event_type), listener)
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}
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)
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);
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macro_rules! define_window_owned_event_handler(
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($handler: ty, $event_type: ident, $getter: ident, $setter: ident) => (
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fn $getter(&self) -> Option<::std::rc::Rc<$handler>> {
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let document = document_from_node(self);
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if document.has_browsing_context() {
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document.window().$getter()
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} else {
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None
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}
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}
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fn $setter(&self, listener: Option<::std::rc::Rc<$handler>>) {
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let document = document_from_node(self);
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if document.has_browsing_context() {
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document.window().$setter(listener)
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}
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}
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)
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);
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macro_rules! event_handler(
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($event_type: ident, $getter: ident, $setter: ident) => (
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define_event_handler!(
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crate::dom::bindings::codegen::Bindings::EventHandlerBinding::EventHandlerNonNull,
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$event_type,
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$getter,
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$setter,
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set_event_handler_common
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);
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)
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);
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macro_rules! error_event_handler(
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($event_type: ident, $getter: ident, $setter: ident) => (
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define_event_handler!(
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crate::dom::bindings::codegen::Bindings::EventHandlerBinding::OnErrorEventHandlerNonNull,
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$event_type,
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$getter,
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$setter,
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set_error_event_handler
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);
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)
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);
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macro_rules! beforeunload_event_handler(
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($event_type: ident, $getter: ident, $setter: ident) => (
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define_event_handler!(
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crate::dom::bindings::codegen::Bindings::EventHandlerBinding::OnBeforeUnloadEventHandlerNonNull,
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$event_type,
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$getter,
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$setter,
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set_beforeunload_event_handler
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);
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)
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);
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macro_rules! window_owned_event_handler(
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($event_type: ident, $getter: ident, $setter: ident) => (
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define_window_owned_event_handler!(
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crate::dom::bindings::codegen::Bindings::EventHandlerBinding::EventHandlerNonNull,
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$event_type,
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$getter,
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$setter
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);
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)
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);
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macro_rules! window_owned_beforeunload_event_handler(
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($event_type: ident, $getter: ident, $setter: ident) => (
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define_window_owned_event_handler!(
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crate::dom::bindings::codegen::Bindings::EventHandlerBinding::OnBeforeUnloadEventHandlerNonNull,
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$event_type,
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$getter,
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$setter
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);
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)
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);
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// https://html.spec.whatwg.org/multipage/#globaleventhandlers
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// see webidls/EventHandler.webidl
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// As more methods get added, just update them here.
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macro_rules! global_event_handlers(
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() => (
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// These are special when on body/frameset elements
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event_handler!(blur, GetOnblur, SetOnblur);
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error_event_handler!(error, GetOnerror, SetOnerror);
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event_handler!(focus, GetOnfocus, SetOnfocus);
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event_handler!(load, GetOnload, SetOnload);
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event_handler!(resize, GetOnresize, SetOnresize);
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event_handler!(scroll, GetOnscroll, SetOnscroll);
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global_event_handlers!(NoOnload);
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);
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(NoOnload) => (
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event_handler!(abort, GetOnabort, SetOnabort);
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event_handler!(animationend, GetOnanimationend, SetOnanimationend);
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event_handler!(animationiteration, GetOnanimationiteration, SetOnanimationiteration);
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event_handler!(cancel, GetOncancel, SetOncancel);
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event_handler!(canplay, GetOncanplay, SetOncanplay);
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event_handler!(canplaythrough, GetOncanplaythrough, SetOncanplaythrough);
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event_handler!(change, GetOnchange, SetOnchange);
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event_handler!(click, GetOnclick, SetOnclick);
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event_handler!(close, GetOnclose, SetOnclose);
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event_handler!(contextmenu, GetOncontextmenu, SetOncontextmenu);
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event_handler!(cuechange, GetOncuechange, SetOncuechange);
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event_handler!(dblclick, GetOndblclick, SetOndblclick);
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event_handler!(drag, GetOndrag, SetOndrag);
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event_handler!(dragend, GetOndragend, SetOndragend);
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event_handler!(dragenter, GetOndragenter, SetOndragenter);
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event_handler!(dragexit, GetOndragexit, SetOndragexit);
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event_handler!(dragleave, GetOndragleave, SetOndragleave);
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event_handler!(dragover, GetOndragover, SetOndragover);
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event_handler!(dragstart, GetOndragstart, SetOndragstart);
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event_handler!(drop, GetOndrop, SetOndrop);
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event_handler!(durationchange, GetOndurationchange, SetOndurationchange);
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event_handler!(emptied, GetOnemptied, SetOnemptied);
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event_handler!(ended, GetOnended, SetOnended);
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event_handler!(formdata, GetOnformdata, SetOnformdata);
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event_handler!(input, GetOninput, SetOninput);
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event_handler!(invalid, GetOninvalid, SetOninvalid);
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event_handler!(keydown, GetOnkeydown, SetOnkeydown);
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event_handler!(keypress, GetOnkeypress, SetOnkeypress);
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event_handler!(keyup, GetOnkeyup, SetOnkeyup);
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event_handler!(loadeddata, GetOnloadeddata, SetOnloadeddata);
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event_handler!(loadedmetadata, GetOnloadedmetadata, SetOnloadedmetadata);
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event_handler!(loadstart, GetOnloadstart, SetOnloadstart);
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event_handler!(mousedown, GetOnmousedown, SetOnmousedown);
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event_handler!(mouseenter, GetOnmouseenter, SetOnmouseenter);
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|
event_handler!(mouseleave, GetOnmouseleave, SetOnmouseleave);
|
|
event_handler!(mousemove, GetOnmousemove, SetOnmousemove);
|
|
event_handler!(mouseout, GetOnmouseout, SetOnmouseout);
|
|
event_handler!(mouseover, GetOnmouseover, SetOnmouseover);
|
|
event_handler!(mouseup, GetOnmouseup, SetOnmouseup);
|
|
event_handler!(wheel, GetOnwheel, SetOnwheel);
|
|
event_handler!(pause, GetOnpause, SetOnpause);
|
|
event_handler!(play, GetOnplay, SetOnplay);
|
|
event_handler!(playing, GetOnplaying, SetOnplaying);
|
|
event_handler!(progress, GetOnprogress, SetOnprogress);
|
|
event_handler!(ratechange, GetOnratechange, SetOnratechange);
|
|
event_handler!(reset, GetOnreset, SetOnreset);
|
|
event_handler!(seeked, GetOnseeked, SetOnseeked);
|
|
event_handler!(seeking, GetOnseeking, SetOnseeking);
|
|
event_handler!(select, GetOnselect, SetOnselect);
|
|
event_handler!(selectionchange, GetOnselectionchange, SetOnselectionchange);
|
|
event_handler!(selectstart, GetOnselectstart, SetOnselectstart);
|
|
event_handler!(show, GetOnshow, SetOnshow);
|
|
event_handler!(stalled, GetOnstalled, SetOnstalled);
|
|
event_handler!(submit, GetOnsubmit, SetOnsubmit);
|
|
event_handler!(suspend, GetOnsuspend, SetOnsuspend);
|
|
event_handler!(timeupdate, GetOntimeupdate, SetOntimeupdate);
|
|
event_handler!(toggle, GetOntoggle, SetOntoggle);
|
|
event_handler!(transitioncancel, GetOntransitioncancel, SetOntransitioncancel);
|
|
event_handler!(transitionend, GetOntransitionend, SetOntransitionend);
|
|
event_handler!(transitionrun, GetOntransitionrun, SetOntransitionrun);
|
|
event_handler!(volumechange, GetOnvolumechange, SetOnvolumechange);
|
|
event_handler!(waiting, GetOnwaiting, SetOnwaiting);
|
|
)
|
|
);
|
|
|
|
// https://html.spec.whatwg.org/multipage/#windoweventhandlers
|
|
// see webidls/EventHandler.webidl
|
|
// As more methods get added, just update them here.
|
|
macro_rules! window_event_handlers(
|
|
() => (
|
|
event_handler!(afterprint, GetOnafterprint, SetOnafterprint);
|
|
event_handler!(beforeprint, GetOnbeforeprint, SetOnbeforeprint);
|
|
beforeunload_event_handler!(beforeunload, GetOnbeforeunload,
|
|
SetOnbeforeunload);
|
|
event_handler!(hashchange, GetOnhashchange, SetOnhashchange);
|
|
event_handler!(languagechange, GetOnlanguagechange,
|
|
SetOnlanguagechange);
|
|
event_handler!(message, GetOnmessage, SetOnmessage);
|
|
event_handler!(messageerror, GetOnmessageerror, SetOnmessageerror);
|
|
event_handler!(offline, GetOnoffline, SetOnoffline);
|
|
event_handler!(online, GetOnonline, SetOnonline);
|
|
event_handler!(pagehide, GetOnpagehide, SetOnpagehide);
|
|
event_handler!(pageshow, GetOnpageshow, SetOnpageshow);
|
|
event_handler!(popstate, GetOnpopstate, SetOnpopstate);
|
|
event_handler!(rejectionhandled, GetOnrejectionhandled,
|
|
SetOnrejectionhandled);
|
|
event_handler!(storage, GetOnstorage, SetOnstorage);
|
|
event_handler!(unhandledrejection, GetOnunhandledrejection,
|
|
SetOnunhandledrejection);
|
|
event_handler!(unload, GetOnunload, SetOnunload);
|
|
);
|
|
(ForwardToWindow) => (
|
|
window_owned_event_handler!(afterprint, GetOnafterprint,
|
|
SetOnafterprint);
|
|
window_owned_event_handler!(beforeprint, GetOnbeforeprint,
|
|
SetOnbeforeprint);
|
|
window_owned_beforeunload_event_handler!(beforeunload,
|
|
GetOnbeforeunload,
|
|
SetOnbeforeunload);
|
|
window_owned_event_handler!(hashchange, GetOnhashchange,
|
|
SetOnhashchange);
|
|
window_owned_event_handler!(languagechange, GetOnlanguagechange,
|
|
SetOnlanguagechange);
|
|
window_owned_event_handler!(message, GetOnmessage, SetOnmessage);
|
|
window_owned_event_handler!(messageerror, GetOnmessageerror, SetOnmessageerror);
|
|
window_owned_event_handler!(offline, GetOnoffline, SetOnoffline);
|
|
window_owned_event_handler!(online, GetOnonline, SetOnonline);
|
|
window_owned_event_handler!(pagehide, GetOnpagehide, SetOnpagehide);
|
|
window_owned_event_handler!(pageshow, GetOnpageshow, SetOnpageshow);
|
|
window_owned_event_handler!(popstate, GetOnpopstate, SetOnpopstate);
|
|
window_owned_event_handler!(rejectionhandled, GetOnrejectionhandled,
|
|
SetOnrejectionhandled);
|
|
window_owned_event_handler!(storage, GetOnstorage, SetOnstorage);
|
|
window_owned_event_handler!(unhandledrejection, GetOnunhandledrejection,
|
|
SetOnunhandledrejection);
|
|
window_owned_event_handler!(unload, GetOnunload, SetOnunload);
|
|
);
|
|
);
|
|
|
|
// https://html.spec.whatwg.org/multipage/#documentandelementeventhandlers
|
|
// see webidls/EventHandler.webidl
|
|
// As more methods get added, just update them here.
|
|
macro_rules! document_and_element_event_handlers(
|
|
() => (
|
|
event_handler!(cut, GetOncut, SetOncut);
|
|
event_handler!(copy, GetOncopy, SetOncopy);
|
|
event_handler!(paste, GetOnpaste, SetOnpaste);
|
|
)
|
|
);
|
|
|
|
#[macro_export]
|
|
macro_rules! rooted_vec {
|
|
(let mut $name:ident) => {
|
|
let mut root = $crate::dom::bindings::trace::RootableVec::new_unrooted();
|
|
let mut $name = $crate::dom::bindings::trace::RootedVec::new(&mut root);
|
|
};
|
|
(let $name:ident <- $iter:expr) => {
|
|
let mut root = $crate::dom::bindings::trace::RootableVec::new_unrooted();
|
|
let $name = $crate::dom::bindings::trace::RootedVec::from_iter(&mut root, $iter);
|
|
};
|
|
(let mut $name:ident <- $iter:expr) => {
|
|
let mut root = $crate::dom::bindings::trace::RootableVec::new_unrooted();
|
|
let mut $name = $crate::dom::bindings::trace::RootedVec::from_iter(&mut root, $iter);
|
|
};
|
|
}
|
|
|
|
/// DOM struct implementation for simple interfaces inheriting from PerformanceEntry.
|
|
macro_rules! impl_performance_entry_struct(
|
|
($binding:ident, $struct:ident, $type:expr) => (
|
|
use crate::dom::bindings::reflector::reflect_dom_object;
|
|
use crate::dom::bindings::root::DomRoot;
|
|
use crate::dom::bindings::str::DOMString;
|
|
use crate::dom::globalscope::GlobalScope;
|
|
use crate::dom::performanceentry::PerformanceEntry;
|
|
use dom_struct::dom_struct;
|
|
|
|
#[dom_struct]
|
|
pub struct $struct {
|
|
entry: PerformanceEntry,
|
|
}
|
|
|
|
impl $struct {
|
|
fn new_inherited(name: DOMString, start_time: f64, duration: f64)
|
|
-> $struct {
|
|
$struct {
|
|
entry: PerformanceEntry::new_inherited(name,
|
|
DOMString::from($type),
|
|
start_time,
|
|
duration)
|
|
}
|
|
}
|
|
|
|
#[allow(unrooted_must_root)]
|
|
pub fn new(global: &GlobalScope,
|
|
name: DOMString,
|
|
start_time: f64,
|
|
duration: f64) -> DomRoot<$struct> {
|
|
let entry = $struct::new_inherited(name, start_time, duration);
|
|
reflect_dom_object(Box::new(entry), global)
|
|
}
|
|
}
|
|
);
|
|
);
|
|
|
|
macro_rules! handle_potential_webgl_error {
|
|
($context:expr, $call:expr, $return_on_error:expr) => {
|
|
match $call {
|
|
Ok(ret) => ret,
|
|
Err(error) => {
|
|
$context.webgl_error(error);
|
|
$return_on_error
|
|
},
|
|
}
|
|
};
|
|
($context:expr, $call:expr) => {
|
|
handle_potential_webgl_error!($context, $call, ());
|
|
};
|
|
}
|
|
|
|
macro_rules! impl_rare_data (
|
|
($type:ty) => (
|
|
fn rare_data(&self) -> Ref<Option<Box<$type>>> {
|
|
self.rare_data.borrow()
|
|
}
|
|
|
|
#[allow(dead_code)]
|
|
fn rare_data_mut(&self) -> RefMut<Option<Box<$type>>> {
|
|
self.rare_data.borrow_mut()
|
|
}
|
|
|
|
fn ensure_rare_data(&self) -> RefMut<Box<$type>> {
|
|
let mut rare_data = self.rare_data.borrow_mut();
|
|
if rare_data.is_none() {
|
|
*rare_data = Some(Default::default());
|
|
}
|
|
RefMut::map(rare_data, |rare_data| {
|
|
rare_data.as_mut().unwrap()
|
|
})
|
|
}
|
|
);
|
|
);
|
|
|
|
#[macro_export]
|
|
macro_rules! optional_root_object_to_js_or_null {
|
|
($cx: expr, $binding:expr) => {{
|
|
rooted!(in($cx) let mut rval = NullValue());
|
|
if let Some(object) = $binding {
|
|
object.to_jsval($cx, rval.handle_mut());
|
|
}
|
|
rval.get()
|
|
}};
|
|
}
|