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aa15dc269f
http://www.robohornet.org gives a score of 101.36 on master, and 102.68 with this PR. The latter is slightly better, but probably within noise level. So it looks like this PR does not affect DOM performance. This is expected since `Box::new` is defined as: ```rust impl<T> Box<T> { #[inline(always)] pub fn new(x: T) -> Box<T> { box x } } ``` With inlining, it should compile to the same as box syntax.
625 lines
20 KiB
Rust
625 lines
20 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::activation::Activatable;
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use dom::bindings::cell::DomRefCell;
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use dom::bindings::codegen::Bindings::AttrBinding::AttrMethods;
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use dom::bindings::codegen::Bindings::DOMTokenListBinding::DOMTokenListMethods;
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use dom::bindings::codegen::Bindings::HTMLAnchorElementBinding;
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use dom::bindings::codegen::Bindings::HTMLAnchorElementBinding::HTMLAnchorElementMethods;
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use dom::bindings::codegen::Bindings::MouseEventBinding::MouseEventMethods;
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use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
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use dom::bindings::inheritance::Castable;
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use dom::bindings::root::{DomRoot, MutNullableDom};
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use dom::bindings::str::{DOMString, USVString};
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use dom::document::Document;
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use dom::domtokenlist::DOMTokenList;
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use dom::element::Element;
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use dom::event::Event;
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use dom::eventtarget::EventTarget;
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use dom::htmlelement::HTMLElement;
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use dom::htmlimageelement::HTMLImageElement;
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use dom::mouseevent::MouseEvent;
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use dom::node::{Node, document_from_node};
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use dom::urlhelper::UrlHelper;
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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 net_traits::ReferrerPolicy;
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use num_traits::ToPrimitive;
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use script_traits::MozBrowserEvent;
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use servo_config::prefs::PREFS;
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use servo_url::ServoUrl;
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use std::default::Default;
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use style::attr::AttrValue;
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#[dom_struct]
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pub struct HTMLAnchorElement {
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htmlelement: HTMLElement,
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rel_list: MutNullableDom<DOMTokenList>,
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url: DomRefCell<Option<ServoUrl>>,
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}
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impl HTMLAnchorElement {
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fn new_inherited(local_name: LocalName,
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prefix: Option<Prefix>,
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document: &Document) -> HTMLAnchorElement {
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HTMLAnchorElement {
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htmlelement:
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HTMLElement::new_inherited(local_name, prefix, document),
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rel_list: Default::default(),
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url: DomRefCell::new(None),
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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) -> DomRoot<HTMLAnchorElement> {
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Node::reflect_node(Box::new(HTMLAnchorElement::new_inherited(local_name, prefix, document)),
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document,
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HTMLAnchorElementBinding::Wrap)
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}
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// https://html.spec.whatwg.org/multipage/#concept-hyperlink-url-set
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fn set_url(&self) {
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let attribute = self.upcast::<Element>().get_attribute(&ns!(), &local_name!("href"));
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*self.url.borrow_mut() = attribute.and_then(|attribute| {
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let document = document_from_node(self);
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document.base_url().join(&attribute.value()).ok()
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});
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}
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// https://html.spec.whatwg.org/multipage/#reinitialise-url
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fn reinitialize_url(&self) {
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// Step 1.
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match *self.url.borrow() {
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Some(ref url) if url.scheme() == "blob" && url.cannot_be_a_base() => return,
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_ => (),
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}
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// Step 2.
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self.set_url();
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}
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// https://html.spec.whatwg.org/multipage/#update-href
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fn update_href(&self, url: DOMString) {
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self.upcast::<Element>().set_string_attribute(&local_name!("href"), url);
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}
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}
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impl VirtualMethods for HTMLAnchorElement {
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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 parse_plain_attribute(&self, name: &LocalName, value: DOMString) -> AttrValue {
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match name {
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&local_name!("rel") => AttrValue::from_serialized_tokenlist(value.into()),
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_ => self.super_type().unwrap().parse_plain_attribute(name, value),
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}
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}
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}
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impl HTMLAnchorElementMethods for HTMLAnchorElement {
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// https://html.spec.whatwg.org/multipage/#dom-a-text
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fn Text(&self) -> DOMString {
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self.upcast::<Node>().GetTextContent().unwrap()
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}
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// https://html.spec.whatwg.org/multipage/#dom-a-text
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fn SetText(&self, value: DOMString) {
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self.upcast::<Node>().SetTextContent(Some(value))
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}
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// https://html.spec.whatwg.org/multipage/#dom-a-rel
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make_getter!(Rel, "rel");
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// https://html.spec.whatwg.org/multipage/#dom-a-rel
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fn SetRel(&self, rel: DOMString) {
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self.upcast::<Element>().set_tokenlist_attribute(&local_name!("rel"), rel);
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}
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// https://html.spec.whatwg.org/multipage/#dom-a-rellist
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fn RelList(&self) -> DomRoot<DOMTokenList> {
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self.rel_list.or_init(|| DOMTokenList::new(self.upcast(), &local_name!("rel")))
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}
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// https://html.spec.whatwg.org/multipage/#dom-a-coords
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make_getter!(Coords, "coords");
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// https://html.spec.whatwg.org/multipage/#dom-a-coords
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make_setter!(SetCoords, "coords");
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// https://html.spec.whatwg.org/multipage/#dom-a-name
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make_getter!(Name, "name");
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// https://html.spec.whatwg.org/multipage/#dom-a-name
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make_setter!(SetName, "name");
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// https://html.spec.whatwg.org/multipage/#dom-a-rev
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make_getter!(Rev, "rev");
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// https://html.spec.whatwg.org/multipage/#dom-a-rev
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make_setter!(SetRev, "rev");
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// https://html.spec.whatwg.org/multipage/#dom-a-shape
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make_getter!(Shape, "shape");
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// https://html.spec.whatwg.org/multipage/#dom-a-shape
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make_setter!(SetShape, "shape");
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// https://html.spec.whatwg.org/multipage/#attr-hyperlink-target
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make_getter!(Target, "target");
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// https://html.spec.whatwg.org/multipage/#attr-hyperlink-target
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make_setter!(SetTarget, "target");
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-hash
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fn Hash(&self) -> USVString {
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// Step 1.
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self.reinitialize_url();
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match *self.url.borrow() {
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// Step 3.
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None => USVString(String::new()),
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Some(ref url) => {
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// Steps 3-4.
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UrlHelper::Hash(url)
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}
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}
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-hash
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fn SetHash(&self, value: USVString) {
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// Step 1.
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self.reinitialize_url();
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// Step 2.
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let url = match self.url.borrow_mut().as_mut() {
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// Step 3.
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Some(ref url) if url.scheme() == "javascript" => return,
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None => return,
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// Steps 4-5.
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Some(url) => {
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UrlHelper::SetHash(url, value);
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DOMString::from(url.as_str())
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}
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};
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// Step 6.
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self.update_href(url);
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-host
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fn Host(&self) -> USVString {
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// Step 1.
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self.reinitialize_url();
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match *self.url.borrow() {
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// Step 3.
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None => USVString(String::new()),
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Some(ref url) => {
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if url.host().is_none() {
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USVString(String::new())
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} else {
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// Steps 4-5.
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UrlHelper::Host(url)
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}
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}
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}
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-host
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fn SetHost(&self, value: USVString) {
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// Step 1.
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self.reinitialize_url();
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// Step 2.
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let url = match self.url.borrow_mut().as_mut() {
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// Step 3.
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Some(ref url) if url.cannot_be_a_base() => return,
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None => return,
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// Step 4.
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Some(url) => {
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UrlHelper::SetHost(url, value);
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DOMString::from(url.as_str())
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}
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};
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// Step 5.
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self.update_href(url);
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-hostname
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fn Hostname(&self) -> USVString {
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// Step 1.
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self.reinitialize_url();
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match *self.url.borrow() {
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// Step 3.
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None => USVString(String::new()),
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Some(ref url) => {
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// Step 4.
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UrlHelper::Hostname(url)
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}
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}
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-hostname
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fn SetHostname(&self, value: USVString) {
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// Step 1.
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self.reinitialize_url();
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// Step 2.
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let url = match self.url.borrow_mut().as_mut() {
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// Step 3.
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Some(ref url) if url.cannot_be_a_base() => return,
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None => return,
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// Step 4.
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Some(url) => {
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UrlHelper::SetHostname(url, value);
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DOMString::from(url.as_str())
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}
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};
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// Step 5.
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self.update_href(url);
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-href
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fn Href(&self) -> USVString {
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// Step 1.
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self.reinitialize_url();
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USVString(match *self.url.borrow() {
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None => {
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match self.upcast::<Element>().get_attribute(&ns!(), &local_name!("href")) {
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// Step 3.
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None => String::new(),
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// Step 4.
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Some(attribute) => (**attribute.value()).to_owned(),
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}
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},
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// Step 5.
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Some(ref url) => url.as_str().to_owned(),
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})
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-href
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fn SetHref(&self, value: USVString) {
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self.upcast::<Element>().set_string_attribute(&local_name!("href"),
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DOMString::from_string(value.0));
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self.set_url();
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-origin
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fn Origin(&self) -> USVString {
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// Step 1.
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self.reinitialize_url();
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USVString(match *self.url.borrow() {
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None => {
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// Step 2.
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"".to_owned()
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},
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Some(ref url) => {
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// Step 3.
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url.origin().unicode_serialization()
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},
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})
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-password
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fn Password(&self) -> USVString {
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// Step 1.
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self.reinitialize_url();
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match *self.url.borrow() {
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// Step 3.
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None => USVString(String::new()),
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// Steps 3-4.
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Some(ref url) => UrlHelper::Password(url)
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}
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-password
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fn SetPassword(&self, value: USVString) {
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// Step 1.
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self.reinitialize_url();
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// Step 2.
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let url = match self.url.borrow_mut().as_mut() {
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// Step 3.
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Some(ref url) if url.host().is_none() || url.cannot_be_a_base() => return,
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None => return,
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// Step 4.
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Some(url) => {
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UrlHelper::SetPassword(url, value);
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DOMString::from(url.as_str())
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}
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};
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// Step 5.
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self.update_href(url);
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-pathname
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fn Pathname(&self) -> USVString {
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// Step 1.
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self.reinitialize_url();
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match *self.url.borrow() {
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// Step 3.
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None => USVString(String::new()),
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// Steps 4-5.
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Some(ref url) => UrlHelper::Pathname(url)
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}
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-pathname
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fn SetPathname(&self, value: USVString) {
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// Step 1.
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self.reinitialize_url();
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// Step 2.
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let url = match self.url.borrow_mut().as_mut() {
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// Step 3.
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Some(ref url) if url.cannot_be_a_base() => return,
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None => return,
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// Step 5.
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Some(url) => {
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UrlHelper::SetPathname(url, value);
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DOMString::from(url.as_str())
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}
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};
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// Step 6.
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self.update_href(url);
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-port
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fn Port(&self) -> USVString {
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// Step 1.
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self.reinitialize_url();
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match *self.url.borrow() {
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// Step 3.
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None => USVString(String::new()),
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// Step 4.
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Some(ref url) => UrlHelper::Port(url)
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}
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-port
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fn SetPort(&self, value: USVString) {
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// Step 1.
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self.reinitialize_url();
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// Step 3.
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let url = match self.url.borrow_mut().as_mut() {
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Some(ref url) if url.host().is_none() ||
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url.cannot_be_a_base() ||
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url.scheme() == "file" => return,
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None => return,
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// Step 4.
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Some(url) => {
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UrlHelper::SetPort(url, value);
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DOMString::from(url.as_str())
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}
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};
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// Step 5.
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self.update_href(url);
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-protocol
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fn Protocol(&self) -> USVString {
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// Step 1.
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self.reinitialize_url();
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match *self.url.borrow() {
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// Step 2.
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None => USVString(":".to_owned()),
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// Step 3.
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Some(ref url) => UrlHelper::Protocol(url)
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}
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-protocol
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fn SetProtocol(&self, value: USVString) {
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// Step 1.
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self.reinitialize_url();
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let url = match self.url.borrow_mut().as_mut() {
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// Step 2.
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None => return,
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// Step 3.
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Some(url) => {
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UrlHelper::SetProtocol(url, value);
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DOMString::from(url.as_str())
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}
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};
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// Step 4.
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self.update_href(url);
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-search
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fn Search(&self) -> USVString {
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// Step 1.
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self.reinitialize_url();
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match *self.url.borrow() {
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// Step 2.
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None => USVString(String::new()),
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// Step 3.
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Some(ref url) => UrlHelper::Search(url)
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}
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-search
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fn SetSearch(&self, value: USVString) {
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// Step 1.
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self.reinitialize_url();
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// Step 2.
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let url = match self.url.borrow_mut().as_mut() {
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// Step 3.
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None => return,
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// Steps 4-5.
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// TODO add this element's node document character encoding as
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// encoding override (as described in the spec)
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Some(url) => {
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UrlHelper::SetSearch(url, value);
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DOMString::from(url.as_str())
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}
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};
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// Step 6.
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self.update_href(url);
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-username
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fn Username(&self) -> USVString {
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// Step 1.
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self.reinitialize_url();
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match *self.url.borrow() {
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// Step 2.
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None => USVString(String::new()),
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// Step 3.
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Some(ref url) => UrlHelper::Username(url)
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}
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-username
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fn SetUsername(&self, value: USVString) {
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// Step 1.
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self.reinitialize_url();
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// Step 2.
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let url = match self.url.borrow_mut().as_mut() {
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// Step 3.
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Some(ref url) if url.host().is_none() || url.cannot_be_a_base() => return,
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None => return,
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// Step 4.
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Some(url) => {
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UrlHelper::SetUsername(url, value);
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DOMString::from(url.as_str())
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}
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};
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// Step 5.
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self.update_href(url);
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}
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// https://html.spec.whatwg.org/multipage/#dom-hyperlink-href
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fn Stringifier(&self) -> DOMString {
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DOMString::from(self.Href().0)
|
|
}
|
|
}
|
|
|
|
impl Activatable for HTMLAnchorElement {
|
|
fn as_element(&self) -> &Element {
|
|
self.upcast::<Element>()
|
|
}
|
|
|
|
fn is_instance_activatable(&self) -> bool {
|
|
// https://html.spec.whatwg.org/multipage/#hyperlink
|
|
// "a [...] element[s] with an href attribute [...] must [..] create a
|
|
// hyperlink"
|
|
// https://html.spec.whatwg.org/multipage/#the-a-element
|
|
// "The activation behaviour of a elements *that create hyperlinks*"
|
|
self.upcast::<Element>().has_attribute(&local_name!("href"))
|
|
}
|
|
|
|
|
|
//TODO:https://html.spec.whatwg.org/multipage/#the-a-element
|
|
fn pre_click_activation(&self) {
|
|
}
|
|
|
|
//TODO:https://html.spec.whatwg.org/multipage/#the-a-element
|
|
// https://html.spec.whatwg.org/multipage/#run-canceled-activation-steps
|
|
fn canceled_activation(&self) {
|
|
}
|
|
|
|
//https://html.spec.whatwg.org/multipage/#the-a-element:activation-behaviour
|
|
fn activation_behavior(&self, event: &Event, target: &EventTarget) {
|
|
//Step 1. If the node document is not fully active, abort.
|
|
let doc = document_from_node(self);
|
|
if !doc.is_fully_active() {
|
|
return;
|
|
}
|
|
//TODO: Step 2. Check if browsing context is specified and act accordingly.
|
|
//Step 3. Handle <img ismap/>.
|
|
let element = self.upcast::<Element>();
|
|
let mouse_event = event.downcast::<MouseEvent>().unwrap();
|
|
let mut ismap_suffix = None;
|
|
if let Some(element) = target.downcast::<Element>() {
|
|
if target.is::<HTMLImageElement>() && element.has_attribute(&local_name!("ismap")) {
|
|
let target_node = element.upcast::<Node>();
|
|
let rect = target_node.bounding_content_box_or_zero();
|
|
ismap_suffix = Some(
|
|
format!("?{},{}", mouse_event.ClientX().to_f32().unwrap() - rect.origin.x.to_f32_px(),
|
|
mouse_event.ClientY().to_f32().unwrap() - rect.origin.y.to_f32_px())
|
|
)
|
|
}
|
|
}
|
|
|
|
// Step 4.
|
|
//TODO: Download the link is `download` attribute is set.
|
|
|
|
// https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-delivery
|
|
let referrer_policy = match self.RelList().Contains("noreferrer".into()) {
|
|
true => Some(ReferrerPolicy::NoReferrer),
|
|
false => None,
|
|
};
|
|
|
|
follow_hyperlink(element, ismap_suffix, referrer_policy);
|
|
}
|
|
|
|
//TODO:https://html.spec.whatwg.org/multipage/#the-a-element
|
|
fn implicit_submission(&self, _ctrl_key: bool, _shift_key: bool, _alt_key: bool, _meta_key: bool) {
|
|
}
|
|
}
|
|
|
|
/// https://html.spec.whatwg.org/multipage/#the-rules-for-choosing-a-browsing-context-given-a-browsing-context-name
|
|
fn is_current_browsing_context(target: DOMString) -> bool {
|
|
target.is_empty() || target == "_self"
|
|
}
|
|
|
|
/// https://html.spec.whatwg.org/multipage/#following-hyperlinks-2
|
|
pub fn follow_hyperlink(subject: &Element, hyperlink_suffix: Option<String>, referrer_policy: Option<ReferrerPolicy>) {
|
|
// Step 1: replace.
|
|
// Step 2: source browsing context.
|
|
// Step 3: target browsing context.
|
|
let target = subject.get_attribute(&ns!(), &local_name!("target"));
|
|
|
|
// Step 4: disown target's opener if needed.
|
|
let attribute = subject.get_attribute(&ns!(), &local_name!("href")).unwrap();
|
|
let mut href = attribute.Value();
|
|
|
|
// Step 7: append a hyperlink suffix.
|
|
// https://www.w3.org/Bugs/Public/show_bug.cgi?id=28925
|
|
if let Some(suffix) = hyperlink_suffix {
|
|
href.push_str(&suffix);
|
|
}
|
|
|
|
// Step 5: parse the URL.
|
|
// Step 6: navigate to an error document if parsing failed.
|
|
let document = document_from_node(subject);
|
|
let url = match document.url().join(&href) {
|
|
Ok(url) => url,
|
|
Err(_) => return,
|
|
};
|
|
|
|
// Step 8: navigate to the URL.
|
|
if let Some(target) = target {
|
|
if PREFS.is_mozbrowser_enabled() && !is_current_browsing_context(target.Value()) {
|
|
// https://developer.mozilla.org/en-US/docs/Web/Events/mozbrowseropenwindow
|
|
// TODO: referrer and opener
|
|
// TODO: should we send the normalized url or the non-normalized href?
|
|
let event = MozBrowserEvent::OpenWindow(url.into_string(), Some(String::from(target.Value())), None);
|
|
document.trigger_mozbrowser_event(event);
|
|
return
|
|
}
|
|
}
|
|
|
|
debug!("following hyperlink to {}", url);
|
|
|
|
let window = document.window();
|
|
window.load_url(url, false, false, referrer_policy);
|
|
}
|