mirror of
https://github.com/servo/servo.git
synced 2025-07-24 15:50:21 +01:00
Properly track rel
keywords for <a>
/<area>
/<form>
elements (#33462)
* Use linkrelations for all linkable elements Signed-off-by: Simon Wülker <simon.wuelker@arcor.de> * Document LinkRelations Signed-off-by: Simon Wülker <simon.wuelker@arcor.de> * Rename linkrelations.rs -> links.rs This module is supposed to include general-purpose link related stuff. Signed-off-by: Simon Wülker <simon.wuelker@arcor.de> * Parse all "rel" keywords Signed-off-by: Simon Wülker <simon.wuelker@arcor.de> --------- Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>
This commit is contained in:
parent
d3d6a22d27
commit
a165982622
7 changed files with 540 additions and 300 deletions
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@ -2,48 +2,46 @@
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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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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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use std::cell::Cell;
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use std::default::Default;
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use std::default::Default;
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use dom_struct::dom_struct;
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use dom_struct::dom_struct;
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use html5ever::{local_name, namespace_url, ns, LocalName, Prefix};
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use html5ever::{local_name, namespace_url, ns, LocalName, Prefix};
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use js::rust::HandleObject;
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use js::rust::HandleObject;
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use net_traits::request::Referrer;
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use num_traits::ToPrimitive;
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use num_traits::ToPrimitive;
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use script_traits::{HistoryEntryReplacement, LoadData, LoadOrigin};
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use servo_atoms::Atom;
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use servo_atoms::Atom;
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use servo_url::ServoUrl;
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use servo_url::ServoUrl;
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use style::attr::AttrValue;
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use style::attr::AttrValue;
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use crate::dom::activation::Activatable;
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use crate::dom::activation::Activatable;
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use crate::dom::attr::Attr;
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use crate::dom::bindings::cell::DomRefCell;
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use crate::dom::bindings::cell::DomRefCell;
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use crate::dom::bindings::codegen::Bindings::AttrBinding::AttrMethods;
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use crate::dom::bindings::codegen::Bindings::HTMLAnchorElementBinding::HTMLAnchorElementMethods;
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use crate::dom::bindings::codegen::Bindings::HTMLAnchorElementBinding::HTMLAnchorElementMethods;
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use crate::dom::bindings::codegen::Bindings::MouseEventBinding::MouseEventMethods;
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use crate::dom::bindings::codegen::Bindings::MouseEventBinding::MouseEventMethods;
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use crate::dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
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use crate::dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::bindings::refcounted::Trusted;
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use crate::dom::bindings::root::{DomRoot, MutNullableDom};
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use crate::dom::bindings::root::{DomRoot, MutNullableDom};
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use crate::dom::bindings::str::{DOMString, USVString};
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use crate::dom::bindings::str::{DOMString, USVString};
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use crate::dom::document::Document;
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use crate::dom::document::Document;
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use crate::dom::domtokenlist::DOMTokenList;
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use crate::dom::domtokenlist::DOMTokenList;
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use crate::dom::element::{referrer_policy_for_element, Element};
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use crate::dom::element::{AttributeMutation, Element};
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use crate::dom::event::Event;
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use crate::dom::event::Event;
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use crate::dom::eventtarget::EventTarget;
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use crate::dom::eventtarget::EventTarget;
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use crate::dom::globalscope::GlobalScope;
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use crate::dom::htmlareaelement::HTMLAreaElement;
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use crate::dom::htmlelement::HTMLElement;
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use crate::dom::htmlelement::HTMLElement;
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use crate::dom::htmlformelement::HTMLFormElement;
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use crate::dom::htmlimageelement::HTMLImageElement;
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use crate::dom::htmlimageelement::HTMLImageElement;
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use crate::dom::mouseevent::MouseEvent;
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use crate::dom::mouseevent::MouseEvent;
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use crate::dom::node::{document_from_node, Node};
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use crate::dom::node::{document_from_node, BindContext, Node};
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use crate::dom::urlhelper::UrlHelper;
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use crate::dom::urlhelper::UrlHelper;
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use crate::dom::virtualmethods::VirtualMethods;
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use crate::dom::virtualmethods::VirtualMethods;
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use crate::task_source::TaskSource;
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use crate::links::{follow_hyperlink, LinkRelations};
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#[dom_struct]
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#[dom_struct]
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pub struct HTMLAnchorElement {
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pub struct HTMLAnchorElement {
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htmlelement: HTMLElement,
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htmlelement: HTMLElement,
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rel_list: MutNullableDom<DOMTokenList>,
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rel_list: MutNullableDom<DOMTokenList>,
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#[no_trace]
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relations: Cell<LinkRelations>,
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#[no_trace]
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#[no_trace]
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url: DomRefCell<Option<ServoUrl>>,
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url: DomRefCell<Option<ServoUrl>>,
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}
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}
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HTMLAnchorElement {
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HTMLAnchorElement {
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htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
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htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
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rel_list: Default::default(),
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rel_list: Default::default(),
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relations: Cell::new(LinkRelations::empty()),
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url: DomRefCell::new(None),
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url: DomRefCell::new(None),
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}
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}
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}
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}
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@ -121,6 +120,27 @@ impl VirtualMethods for HTMLAnchorElement {
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.parse_plain_attribute(name, value),
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.parse_plain_attribute(name, value),
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}
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}
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}
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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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match *attr.local_name() {
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local_name!("rel") | local_name!("rev") => {
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self.relations
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.set(LinkRelations::for_element(self.upcast()));
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},
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_ => {},
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}
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}
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fn bind_to_tree(&self, context: &BindContext) {
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if let Some(s) = self.super_type() {
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s.bind_to_tree(context);
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}
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self.relations
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.set(LinkRelations::for_element(self.upcast()));
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}
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}
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}
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impl HTMLAnchorElementMethods for HTMLAnchorElement {
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impl HTMLAnchorElementMethods for HTMLAnchorElement {
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@ -580,153 +600,6 @@ impl Activatable for HTMLAnchorElement {
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// Step 2.
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// Step 2.
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//TODO: Download the link is `download` attribute is set.
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//TODO: Download the link is `download` attribute is set.
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follow_hyperlink(element, ismap_suffix);
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follow_hyperlink(element, self.relations.get(), ismap_suffix);
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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/#get-an-element's-target>
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pub fn get_element_target(subject: &Element) -> Option<DOMString> {
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if !(subject.is::<HTMLAreaElement>() ||
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subject.is::<HTMLAnchorElement>() ||
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subject.is::<HTMLFormElement>())
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{
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return None;
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}
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if subject.has_attribute(&local_name!("target")) {
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return Some(subject.get_string_attribute(&local_name!("target")));
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}
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let doc = document_from_node(subject).base_element();
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match doc {
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Some(doc) => {
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let element = doc.upcast::<Element>();
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if element.has_attribute(&local_name!("target")) {
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Some(element.get_string_attribute(&local_name!("target")))
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} else {
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None
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}
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},
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None => None,
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}
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}
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/// <https://html.spec.whatwg.org/multipage/#get-an-element's-noopener>
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pub fn get_element_noopener(subject: &Element, target_attribute_value: Option<DOMString>) -> bool {
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if !(subject.is::<HTMLAreaElement>() ||
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subject.is::<HTMLAnchorElement>() ||
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subject.is::<HTMLFormElement>())
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{
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return false;
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}
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let target_is_blank = target_attribute_value
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.as_ref()
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.is_some_and(|target| target.to_lowercase() == "_blank");
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let link_types = match subject.get_attribute(&ns!(), &local_name!("rel")) {
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Some(rel) => rel.Value(),
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None => return target_is_blank,
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};
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link_types.contains("noreferrer") ||
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link_types.contains("noopener") ||
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(!link_types.contains("opener") && target_is_blank)
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}
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/// <https://html.spec.whatwg.org/multipage/#following-hyperlinks-2>
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pub fn follow_hyperlink(subject: &Element, hyperlink_suffix: Option<String>) {
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// Step 1.
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if subject.cannot_navigate() {
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return;
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}
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// Step 2, done in Step 7.
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let document = document_from_node(subject);
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let window = document.window();
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// Step 3: source browsing context.
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let source = document.browsing_context().unwrap();
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// Step 4-5: target attribute.
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let target_attribute_value =
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if subject.is::<HTMLAreaElement>() || subject.is::<HTMLAnchorElement>() {
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get_element_target(subject)
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} else {
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None
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};
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// Step 6.
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let noopener = get_element_noopener(subject, target_attribute_value.clone());
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// Step 7.
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let (maybe_chosen, replace) = match target_attribute_value {
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Some(name) => {
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let (maybe_chosen, new) = source.choose_browsing_context(name, noopener);
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let replace = if new {
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HistoryEntryReplacement::Enabled
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} else {
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HistoryEntryReplacement::Disabled
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};
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(maybe_chosen, replace)
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},
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None => (
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Some(window.window_proxy()),
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HistoryEntryReplacement::Disabled,
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),
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};
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// Step 8.
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let chosen = match maybe_chosen {
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Some(proxy) => proxy,
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None => return,
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};
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if let Some(target_document) = chosen.document() {
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let target_window = target_document.window();
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// Step 9, dis-owning target's opener, if necessary
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// will have been done as part of Step 7 above
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// in choose_browsing_context/create_auxiliary_browsing_context.
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// Step 10, 11. TODO: if parsing the URL failed, navigate to error page.
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let attribute = subject.get_attribute(&ns!(), &local_name!("href")).unwrap();
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let mut href = attribute.Value();
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// Step 11: append a hyperlink suffix.
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// https://www.w3.org/Bugs/Public/show_bug.cgi?id=28925
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if let Some(suffix) = hyperlink_suffix {
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href.push_str(&suffix);
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}
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let url = match document.base_url().join(&href) {
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Ok(url) => url,
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Err(_) => return,
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};
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// Step 12.
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let referrer_policy = referrer_policy_for_element(subject);
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// Step 13
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let referrer = match subject.get_attribute(&ns!(), &local_name!("rel")) {
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Some(ref link_types) if link_types.Value().contains("noreferrer") => {
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Referrer::NoReferrer
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},
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_ => target_window.upcast::<GlobalScope>().get_referrer(),
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};
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// Step 14
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let pipeline_id = target_window.upcast::<GlobalScope>().pipeline_id();
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let secure = target_window.upcast::<GlobalScope>().is_secure_context();
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let load_data = LoadData::new(
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LoadOrigin::Script(document.origin().immutable().clone()),
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url,
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Some(pipeline_id),
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referrer,
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referrer_policy,
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Some(secure),
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);
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let target = Trusted::new(target_window);
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let task = task!(navigate_follow_hyperlink: move || {
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debug!("following hyperlink to {}", load_data.url);
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target.root().load_url(replace, false, load_data);
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});
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target_window
|
|
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.task_manager()
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|
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.dom_manipulation_task_source()
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|
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.queue(task, target_window.upcast())
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.unwrap();
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};
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}
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|
|
|
@ -2,6 +2,7 @@
|
||||||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||||
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
|
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
|
||||||
|
|
||||||
|
use std::cell::Cell;
|
||||||
use std::default::Default;
|
use std::default::Default;
|
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use std::{f32, str};
|
use std::{f32, str};
|
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|
|
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|
@ -14,19 +15,20 @@ use servo_atoms::Atom;
|
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use style::attr::AttrValue;
|
use style::attr::AttrValue;
|
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|
|
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use crate::dom::activation::Activatable;
|
use crate::dom::activation::Activatable;
|
||||||
|
use crate::dom::attr::Attr;
|
||||||
use crate::dom::bindings::codegen::Bindings::HTMLAreaElementBinding::HTMLAreaElementMethods;
|
use crate::dom::bindings::codegen::Bindings::HTMLAreaElementBinding::HTMLAreaElementMethods;
|
||||||
use crate::dom::bindings::inheritance::Castable;
|
use crate::dom::bindings::inheritance::Castable;
|
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use crate::dom::bindings::root::{DomRoot, MutNullableDom};
|
use crate::dom::bindings::root::{DomRoot, MutNullableDom};
|
||||||
use crate::dom::bindings::str::DOMString;
|
use crate::dom::bindings::str::DOMString;
|
||||||
use crate::dom::document::Document;
|
use crate::dom::document::Document;
|
||||||
use crate::dom::domtokenlist::DOMTokenList;
|
use crate::dom::domtokenlist::DOMTokenList;
|
||||||
use crate::dom::element::Element;
|
use crate::dom::element::{AttributeMutation, Element};
|
||||||
use crate::dom::event::Event;
|
use crate::dom::event::Event;
|
||||||
use crate::dom::eventtarget::EventTarget;
|
use crate::dom::eventtarget::EventTarget;
|
||||||
use crate::dom::htmlanchorelement::follow_hyperlink;
|
|
||||||
use crate::dom::htmlelement::HTMLElement;
|
use crate::dom::htmlelement::HTMLElement;
|
||||||
use crate::dom::node::Node;
|
use crate::dom::node::{BindContext, Node};
|
||||||
use crate::dom::virtualmethods::VirtualMethods;
|
use crate::dom::virtualmethods::VirtualMethods;
|
||||||
|
use crate::links::{follow_hyperlink, LinkRelations};
|
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|
|
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#[derive(Debug, PartialEq)]
|
#[derive(Debug, PartialEq)]
|
||||||
pub enum Area {
|
pub enum Area {
|
||||||
|
@ -75,7 +77,7 @@ impl Area {
|
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index += 1;
|
index += 1;
|
||||||
}
|
}
|
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|
|
||||||
//This vector will hold all parsed coordinates
|
// This vector will hold all parsed coordinates
|
||||||
let mut number_list = Vec::new();
|
let mut number_list = Vec::new();
|
||||||
let mut array = Vec::new();
|
let mut array = Vec::new();
|
||||||
|
|
||||||
|
@ -237,6 +239,9 @@ impl Area {
|
||||||
pub struct HTMLAreaElement {
|
pub struct HTMLAreaElement {
|
||||||
htmlelement: HTMLElement,
|
htmlelement: HTMLElement,
|
||||||
rel_list: MutNullableDom<DOMTokenList>,
|
rel_list: MutNullableDom<DOMTokenList>,
|
||||||
|
|
||||||
|
#[no_trace]
|
||||||
|
relations: Cell<LinkRelations>,
|
||||||
}
|
}
|
||||||
|
|
||||||
impl HTMLAreaElement {
|
impl HTMLAreaElement {
|
||||||
|
@ -248,6 +253,7 @@ impl HTMLAreaElement {
|
||||||
HTMLAreaElement {
|
HTMLAreaElement {
|
||||||
htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
|
htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
|
||||||
rel_list: Default::default(),
|
rel_list: Default::default(),
|
||||||
|
relations: Cell::new(LinkRelations::empty()),
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -300,6 +306,27 @@ impl VirtualMethods for HTMLAreaElement {
|
||||||
.parse_plain_attribute(name, value),
|
.parse_plain_attribute(name, value),
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
|
||||||
|
self.super_type().unwrap().attribute_mutated(attr, mutation);
|
||||||
|
|
||||||
|
match *attr.local_name() {
|
||||||
|
local_name!("rel") | local_name!("rev") => {
|
||||||
|
self.relations
|
||||||
|
.set(LinkRelations::for_element(self.upcast()));
|
||||||
|
},
|
||||||
|
_ => {},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn bind_to_tree(&self, context: &BindContext) {
|
||||||
|
if let Some(s) = self.super_type() {
|
||||||
|
s.bind_to_tree(context);
|
||||||
|
}
|
||||||
|
|
||||||
|
self.relations
|
||||||
|
.set(LinkRelations::for_element(self.upcast()));
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
impl HTMLAreaElementMethods for HTMLAreaElement {
|
impl HTMLAreaElementMethods for HTMLAreaElement {
|
||||||
|
@ -345,6 +372,6 @@ impl Activatable for HTMLAreaElement {
|
||||||
}
|
}
|
||||||
|
|
||||||
fn activation_behavior(&self, _event: &Event, _target: &EventTarget) {
|
fn activation_behavior(&self, _event: &Event, _target: &EventTarget) {
|
||||||
follow_hyperlink(self.as_element(), None);
|
follow_hyperlink(self.as_element(), self.relations.get(), None);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
|
@ -24,6 +24,7 @@ use style_dom::ElementState;
|
||||||
|
|
||||||
use super::bindings::trace::{HashMapTracedValues, NoTrace};
|
use super::bindings::trace::{HashMapTracedValues, NoTrace};
|
||||||
use crate::body::Extractable;
|
use crate::body::Extractable;
|
||||||
|
use crate::dom::attr::Attr;
|
||||||
use crate::dom::bindings::cell::DomRefCell;
|
use crate::dom::bindings::cell::DomRefCell;
|
||||||
use crate::dom::bindings::codegen::Bindings::AttrBinding::Attr_Binding::AttrMethods;
|
use crate::dom::bindings::codegen::Bindings::AttrBinding::Attr_Binding::AttrMethods;
|
||||||
use crate::dom::bindings::codegen::Bindings::BlobBinding::BlobMethods;
|
use crate::dom::bindings::codegen::Bindings::BlobBinding::BlobMethods;
|
||||||
|
@ -56,7 +57,6 @@ use crate::dom::file::File;
|
||||||
use crate::dom::formdata::FormData;
|
use crate::dom::formdata::FormData;
|
||||||
use crate::dom::formdataevent::FormDataEvent;
|
use crate::dom::formdataevent::FormDataEvent;
|
||||||
use crate::dom::globalscope::GlobalScope;
|
use crate::dom::globalscope::GlobalScope;
|
||||||
use crate::dom::htmlanchorelement::{get_element_noopener, get_element_target};
|
|
||||||
use crate::dom::htmlbuttonelement::HTMLButtonElement;
|
use crate::dom::htmlbuttonelement::HTMLButtonElement;
|
||||||
use crate::dom::htmlcollection::CollectionFilter;
|
use crate::dom::htmlcollection::CollectionFilter;
|
||||||
use crate::dom::htmldatalistelement::HTMLDataListElement;
|
use crate::dom::htmldatalistelement::HTMLDataListElement;
|
||||||
|
@ -72,7 +72,7 @@ use crate::dom::htmloutputelement::HTMLOutputElement;
|
||||||
use crate::dom::htmlselectelement::HTMLSelectElement;
|
use crate::dom::htmlselectelement::HTMLSelectElement;
|
||||||
use crate::dom::htmltextareaelement::HTMLTextAreaElement;
|
use crate::dom::htmltextareaelement::HTMLTextAreaElement;
|
||||||
use crate::dom::node::{
|
use crate::dom::node::{
|
||||||
document_from_node, window_from_node, Node, NodeFlags, UnbindContext,
|
document_from_node, window_from_node, BindContext, Node, NodeFlags, UnbindContext,
|
||||||
VecPreOrderInsertionHelper,
|
VecPreOrderInsertionHelper,
|
||||||
};
|
};
|
||||||
use crate::dom::nodelist::{NodeList, RadioListMode};
|
use crate::dom::nodelist::{NodeList, RadioListMode};
|
||||||
|
@ -80,6 +80,7 @@ use crate::dom::radionodelist::RadioNodeList;
|
||||||
use crate::dom::submitevent::SubmitEvent;
|
use crate::dom::submitevent::SubmitEvent;
|
||||||
use crate::dom::virtualmethods::VirtualMethods;
|
use crate::dom::virtualmethods::VirtualMethods;
|
||||||
use crate::dom::window::Window;
|
use crate::dom::window::Window;
|
||||||
|
use crate::links::{get_element_target, LinkRelations};
|
||||||
use crate::script_thread::ScriptThread;
|
use crate::script_thread::ScriptThread;
|
||||||
use crate::task_source::TaskSource;
|
use crate::task_source::TaskSource;
|
||||||
|
|
||||||
|
@ -98,6 +99,9 @@ pub struct HTMLFormElement {
|
||||||
past_names_map: DomRefCell<HashMapTracedValues<Atom, (Dom<Element>, NoTrace<Instant>)>>,
|
past_names_map: DomRefCell<HashMapTracedValues<Atom, (Dom<Element>, NoTrace<Instant>)>>,
|
||||||
firing_submission_events: Cell<bool>,
|
firing_submission_events: Cell<bool>,
|
||||||
rel_list: MutNullableDom<DOMTokenList>,
|
rel_list: MutNullableDom<DOMTokenList>,
|
||||||
|
|
||||||
|
#[no_trace]
|
||||||
|
relations: Cell<LinkRelations>,
|
||||||
}
|
}
|
||||||
|
|
||||||
impl HTMLFormElement {
|
impl HTMLFormElement {
|
||||||
|
@ -121,6 +125,7 @@ impl HTMLFormElement {
|
||||||
past_names_map: DomRefCell::new(HashMapTracedValues::new()),
|
past_names_map: DomRefCell::new(HashMapTracedValues::new()),
|
||||||
firing_submission_events: Cell::new(false),
|
firing_submission_events: Cell::new(false),
|
||||||
rel_list: Default::default(),
|
rel_list: Default::default(),
|
||||||
|
relations: Cell::new(LinkRelations::empty()),
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -798,8 +803,10 @@ impl HTMLFormElement {
|
||||||
};
|
};
|
||||||
|
|
||||||
// Step 18
|
// Step 18
|
||||||
let noopener =
|
let noopener = self
|
||||||
get_element_noopener(self.upcast::<Element>(), target_attribute_value.clone());
|
.relations
|
||||||
|
.get()
|
||||||
|
.get_element_noopener(target_attribute_value.as_ref());
|
||||||
|
|
||||||
// Step 19
|
// Step 19
|
||||||
let source = doc.browsing_context().unwrap();
|
let source = doc.browsing_context().unwrap();
|
||||||
|
@ -1685,6 +1692,27 @@ impl VirtualMethods for HTMLFormElement {
|
||||||
.parse_plain_attribute(name, value),
|
.parse_plain_attribute(name, value),
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
|
||||||
|
self.super_type().unwrap().attribute_mutated(attr, mutation);
|
||||||
|
|
||||||
|
match *attr.local_name() {
|
||||||
|
local_name!("rel") | local_name!("rev") => {
|
||||||
|
self.relations
|
||||||
|
.set(LinkRelations::for_element(self.upcast()));
|
||||||
|
},
|
||||||
|
_ => {},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn bind_to_tree(&self, context: &BindContext) {
|
||||||
|
if let Some(s) = self.super_type() {
|
||||||
|
s.bind_to_tree(context);
|
||||||
|
}
|
||||||
|
|
||||||
|
self.relations
|
||||||
|
.set(LinkRelations::for_element(self.upcast()));
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
pub trait FormControlElementHelpers {
|
pub trait FormControlElementHelpers {
|
||||||
|
|
|
@ -55,7 +55,7 @@ use crate::dom::performanceresourcetiming::InitiatorType;
|
||||||
use crate::dom::stylesheet::StyleSheet as DOMStyleSheet;
|
use crate::dom::stylesheet::StyleSheet as DOMStyleSheet;
|
||||||
use crate::dom::virtualmethods::VirtualMethods;
|
use crate::dom::virtualmethods::VirtualMethods;
|
||||||
use crate::fetch::create_a_potential_cors_request;
|
use crate::fetch::create_a_potential_cors_request;
|
||||||
use crate::link_relations::LinkRelations;
|
use crate::links::LinkRelations;
|
||||||
use crate::network_listener::{submit_timing, NetworkListener, PreInvoke, ResourceTimingListener};
|
use crate::network_listener::{submit_timing, NetworkListener, PreInvoke, ResourceTimingListener};
|
||||||
use crate::stylesheet_loader::{StylesheetContextSource, StylesheetLoader, StylesheetOwner};
|
use crate::stylesheet_loader::{StylesheetContextSource, StylesheetLoader, StylesheetOwner};
|
||||||
|
|
||||||
|
|
|
@ -94,7 +94,7 @@ mod webdriver_handlers;
|
||||||
#[warn(deprecated)]
|
#[warn(deprecated)]
|
||||||
mod window_named_properties;
|
mod window_named_properties;
|
||||||
|
|
||||||
mod link_relations;
|
mod links;
|
||||||
|
|
||||||
pub use init::init;
|
pub use init::init;
|
||||||
pub use script_runtime::JSEngineSetup;
|
pub use script_runtime::JSEngineSetup;
|
||||||
|
|
|
@ -1,131 +0,0 @@
|
||||||
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
||||||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
||||||
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
|
|
||||||
|
|
||||||
use html5ever::{local_name, namespace_url, ns};
|
|
||||||
use malloc_size_of::malloc_size_of_is_0;
|
|
||||||
use style::str::HTML_SPACE_CHARACTERS;
|
|
||||||
|
|
||||||
use crate::dom::types::Element;
|
|
||||||
|
|
||||||
bitflags::bitflags! {
|
|
||||||
#[derive(Clone, Copy, Debug)]
|
|
||||||
pub struct LinkRelations: u32 {
|
|
||||||
const ALTERNATE = 1;
|
|
||||||
const AUTHOR = 1 << 1;
|
|
||||||
const BOOKMARK = 1 << 2;
|
|
||||||
const CANONICAL = 1 << 3;
|
|
||||||
const DNS_PREFETCH = 1 << 4;
|
|
||||||
const EXPECT = 1 << 5;
|
|
||||||
const EXTERNAL = 1 << 6;
|
|
||||||
const HELP = 1 << 7;
|
|
||||||
const ICON = 1 << 8;
|
|
||||||
const LICENSE = 1 << 9;
|
|
||||||
const NEXT = 1 << 10;
|
|
||||||
const MANIFEST = 1 << 11;
|
|
||||||
const MODULE_PRELOAD = 1 << 12;
|
|
||||||
const NO_FOLLOW = 1 << 13;
|
|
||||||
const NO_OPENER = 1 << 14;
|
|
||||||
const NO_REFERRER = 1 << 15;
|
|
||||||
const OPENER = 1 << 16;
|
|
||||||
const PING_BACK = 1 << 17;
|
|
||||||
const PRECONNECT = 1 << 18;
|
|
||||||
const PREFETCH = 1 << 19;
|
|
||||||
const PRELOAD = 1 << 20;
|
|
||||||
const PREV = 1 << 21;
|
|
||||||
const PRIVACY_POLICY = 1 << 22;
|
|
||||||
const SEARCH = 1 << 23;
|
|
||||||
const STYLESHEET = 1 << 24;
|
|
||||||
const TAG = 1 << 25;
|
|
||||||
const TermsOfService = 1 << 26;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl LinkRelations {
|
|
||||||
pub fn for_element(element: &Element) -> Self {
|
|
||||||
let rel = element.get_attribute(&ns!(), &local_name!("rel")).map(|e| {
|
|
||||||
let value = e.value();
|
|
||||||
(**value).to_owned()
|
|
||||||
});
|
|
||||||
|
|
||||||
// FIXME: for a, area and form elements we need to allow a different
|
|
||||||
// set of attributes
|
|
||||||
let mut relations = rel
|
|
||||||
.map(|attribute| {
|
|
||||||
attribute
|
|
||||||
.split(HTML_SPACE_CHARACTERS)
|
|
||||||
.map(Self::from_single_keyword_for_link_element)
|
|
||||||
.collect()
|
|
||||||
})
|
|
||||||
.unwrap_or(Self::empty());
|
|
||||||
|
|
||||||
// For historical reasons, "rev=made" is treated as if the "author" relation was specified
|
|
||||||
let has_legacy_author_relation = element
|
|
||||||
.get_attribute(&ns!(), &local_name!("rev"))
|
|
||||||
.is_some_and(|rev| &**rev.value() == "made");
|
|
||||||
if has_legacy_author_relation {
|
|
||||||
relations |= Self::AUTHOR;
|
|
||||||
}
|
|
||||||
|
|
||||||
relations
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Parse one of the relations allowed for the `<link>` element
|
|
||||||
///
|
|
||||||
/// If the keyword is invalid then `Self::empty` is returned.
|
|
||||||
fn from_single_keyword_for_link_element(keyword: &str) -> Self {
|
|
||||||
if keyword.eq_ignore_ascii_case("alternate") {
|
|
||||||
Self::ALTERNATE
|
|
||||||
} else if keyword.eq_ignore_ascii_case("canonical") {
|
|
||||||
Self::CANONICAL
|
|
||||||
} else if keyword.eq_ignore_ascii_case("author") {
|
|
||||||
Self::AUTHOR
|
|
||||||
} else if keyword.eq_ignore_ascii_case("dns-prefetch") {
|
|
||||||
Self::DNS_PREFETCH
|
|
||||||
} else if keyword.eq_ignore_ascii_case("expect") {
|
|
||||||
Self::EXPECT
|
|
||||||
} else if keyword.eq_ignore_ascii_case("help") {
|
|
||||||
Self::HELP
|
|
||||||
} else if keyword.eq_ignore_ascii_case("icon") ||
|
|
||||||
keyword.eq_ignore_ascii_case("shortcut icon") ||
|
|
||||||
keyword.eq_ignore_ascii_case("apple-touch-icon")
|
|
||||||
{
|
|
||||||
// TODO: "apple-touch-icon" is not in the spec. Where did it come from? Do we need it?
|
|
||||||
// There is also "apple-touch-icon-precomposed" listed in
|
|
||||||
// https://github.com/servo/servo/blob/e43e4778421be8ea30db9d5c553780c042161522/components/script/dom/htmllinkelement.rs#L452-L467
|
|
||||||
Self::ICON
|
|
||||||
} else if keyword.eq_ignore_ascii_case("manifest") {
|
|
||||||
Self::MANIFEST
|
|
||||||
} else if keyword.eq_ignore_ascii_case("modulepreload") {
|
|
||||||
Self::MODULE_PRELOAD
|
|
||||||
} else if keyword.eq_ignore_ascii_case("license") ||
|
|
||||||
keyword.eq_ignore_ascii_case("copyright")
|
|
||||||
{
|
|
||||||
Self::LICENSE
|
|
||||||
} else if keyword.eq_ignore_ascii_case("next") {
|
|
||||||
Self::NEXT
|
|
||||||
} else if keyword.eq_ignore_ascii_case("pingback") {
|
|
||||||
Self::PING_BACK
|
|
||||||
} else if keyword.eq_ignore_ascii_case("preconnect") {
|
|
||||||
Self::PRECONNECT
|
|
||||||
} else if keyword.eq_ignore_ascii_case("prefetch") {
|
|
||||||
Self::PREFETCH
|
|
||||||
} else if keyword.eq_ignore_ascii_case("preload") {
|
|
||||||
Self::PRELOAD
|
|
||||||
} else if keyword.eq_ignore_ascii_case("prev") || keyword.eq_ignore_ascii_case("previous") {
|
|
||||||
Self::PREV
|
|
||||||
} else if keyword.eq_ignore_ascii_case("privacy-policy") {
|
|
||||||
Self::PRIVACY_POLICY
|
|
||||||
} else if keyword.eq_ignore_ascii_case("search") {
|
|
||||||
Self::SEARCH
|
|
||||||
} else if keyword.eq_ignore_ascii_case("stylesheet") {
|
|
||||||
Self::STYLESHEET
|
|
||||||
} else if keyword.eq_ignore_ascii_case("terms-of-service") {
|
|
||||||
Self::TermsOfService
|
|
||||||
} else {
|
|
||||||
Self::empty()
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
malloc_size_of_is_0!(LinkRelations);
|
|
443
components/script/links.rs
Normal file
443
components/script/links.rs
Normal file
|
@ -0,0 +1,443 @@
|
||||||
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||||||
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||||
|
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
|
||||||
|
|
||||||
|
//! Defines shared hyperlink behaviour for `<link>`, `<a>`, `<area>` and `<form>` elements.
|
||||||
|
|
||||||
|
use html5ever::{local_name, namespace_url, ns};
|
||||||
|
use malloc_size_of::malloc_size_of_is_0;
|
||||||
|
use net_traits::request::Referrer;
|
||||||
|
use script_traits::{HistoryEntryReplacement, LoadData, LoadOrigin};
|
||||||
|
use style::str::HTML_SPACE_CHARACTERS;
|
||||||
|
|
||||||
|
use crate::dom::bindings::codegen::Bindings::AttrBinding::Attr_Binding::AttrMethods;
|
||||||
|
use crate::dom::bindings::inheritance::Castable;
|
||||||
|
use crate::dom::bindings::refcounted::Trusted;
|
||||||
|
use crate::dom::bindings::str::DOMString;
|
||||||
|
use crate::dom::element::referrer_policy_for_element;
|
||||||
|
use crate::dom::htmlanchorelement::HTMLAnchorElement;
|
||||||
|
use crate::dom::htmlareaelement::HTMLAreaElement;
|
||||||
|
use crate::dom::htmlformelement::HTMLFormElement;
|
||||||
|
use crate::dom::htmllinkelement::HTMLLinkElement;
|
||||||
|
use crate::dom::node::document_from_node;
|
||||||
|
use crate::dom::types::{Element, GlobalScope};
|
||||||
|
use crate::task_source::TaskSource;
|
||||||
|
|
||||||
|
bitflags::bitflags! {
|
||||||
|
/// Describes the different relations that can be specified on elements using the `rel`
|
||||||
|
/// attribute.
|
||||||
|
///
|
||||||
|
/// Refer to <https://html.spec.whatwg.org/multipage/#linkTypes> for more information.
|
||||||
|
#[derive(Clone, Copy, Debug)]
|
||||||
|
pub struct LinkRelations: u32 {
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#rel-alternate>
|
||||||
|
const ALTERNATE = 1;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-author>
|
||||||
|
const AUTHOR = 1 << 1;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-bookmark>
|
||||||
|
const BOOKMARK = 1 << 2;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-canonical>
|
||||||
|
const CANONICAL = 1 << 3;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-dns-prefetch>
|
||||||
|
const DNS_PREFETCH = 1 << 4;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-expect>
|
||||||
|
const EXPECT = 1 << 5;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-external>
|
||||||
|
const EXTERNAL = 1 << 6;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-help>
|
||||||
|
const HELP = 1 << 7;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#rel-icon>
|
||||||
|
const ICON = 1 << 8;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-license>
|
||||||
|
const LICENSE = 1 << 9;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-next>
|
||||||
|
const NEXT = 1 << 10;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-manifest>
|
||||||
|
const MANIFEST = 1 << 11;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-modulepreload>
|
||||||
|
const MODULE_PRELOAD = 1 << 12;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-nofollow>
|
||||||
|
const NO_FOLLOW = 1 << 13;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-noopener>
|
||||||
|
const NO_OPENER = 1 << 14;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-noreferrer>
|
||||||
|
const NO_REFERRER = 1 << 15;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-opener>
|
||||||
|
const OPENER = 1 << 16;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-pingback>
|
||||||
|
const PING_BACK = 1 << 17;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-preconnect>
|
||||||
|
const PRECONNECT = 1 << 18;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-prefetch>
|
||||||
|
const PREFETCH = 1 << 19;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-preload>
|
||||||
|
const PRELOAD = 1 << 20;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-prev>
|
||||||
|
const PREV = 1 << 21;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-privacy-policy>
|
||||||
|
const PRIVACY_POLICY = 1 << 22;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-search>
|
||||||
|
const SEARCH = 1 << 23;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-stylesheet>
|
||||||
|
const STYLESHEET = 1 << 24;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-tag>
|
||||||
|
const TAG = 1 << 25;
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#link-type-terms-of-service>
|
||||||
|
const TERMS_OF_SERVICE = 1 << 26;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl LinkRelations {
|
||||||
|
/// The set of allowed relations for [`<link>`] elements
|
||||||
|
///
|
||||||
|
/// [`<link>`]: https://html.spec.whatwg.org/multipage/#htmllinkelement
|
||||||
|
pub const ALLOWED_LINK_RELATIONS: Self = Self::ALTERNATE
|
||||||
|
.union(Self::CANONICAL)
|
||||||
|
.union(Self::AUTHOR)
|
||||||
|
.union(Self::DNS_PREFETCH)
|
||||||
|
.union(Self::EXPECT)
|
||||||
|
.union(Self::HELP)
|
||||||
|
.union(Self::ICON)
|
||||||
|
.union(Self::MANIFEST)
|
||||||
|
.union(Self::MODULE_PRELOAD)
|
||||||
|
.union(Self::LICENSE)
|
||||||
|
.union(Self::NEXT)
|
||||||
|
.union(Self::PING_BACK)
|
||||||
|
.union(Self::PRECONNECT)
|
||||||
|
.union(Self::PREFETCH)
|
||||||
|
.union(Self::PRELOAD)
|
||||||
|
.union(Self::PREV)
|
||||||
|
.union(Self::PRIVACY_POLICY)
|
||||||
|
.union(Self::SEARCH)
|
||||||
|
.union(Self::STYLESHEET)
|
||||||
|
.union(Self::TERMS_OF_SERVICE);
|
||||||
|
|
||||||
|
/// The set of allowed relations for [`<a>`] and [`<area>`] elements
|
||||||
|
///
|
||||||
|
/// [`<a>`]: https://html.spec.whatwg.org/multipage/#the-a-element
|
||||||
|
/// [`<area>`]: https://html.spec.whatwg.org/multipage/#the-area-element
|
||||||
|
pub const ALLOWED_ANCHOR_OR_AREA_RELATIONS: Self = Self::ALTERNATE
|
||||||
|
.union(Self::AUTHOR)
|
||||||
|
.union(Self::BOOKMARK)
|
||||||
|
.union(Self::EXTERNAL)
|
||||||
|
.union(Self::HELP)
|
||||||
|
.union(Self::LICENSE)
|
||||||
|
.union(Self::NEXT)
|
||||||
|
.union(Self::NO_FOLLOW)
|
||||||
|
.union(Self::NO_OPENER)
|
||||||
|
.union(Self::NO_REFERRER)
|
||||||
|
.union(Self::OPENER)
|
||||||
|
.union(Self::PREV)
|
||||||
|
.union(Self::PRIVACY_POLICY)
|
||||||
|
.union(Self::SEARCH)
|
||||||
|
.union(Self::TAG)
|
||||||
|
.union(Self::TERMS_OF_SERVICE);
|
||||||
|
|
||||||
|
/// The set of allowed relations for [`<form>`] elements
|
||||||
|
///
|
||||||
|
/// [`<form>`]: https://html.spec.whatwg.org/multipage/#the-form-element
|
||||||
|
pub const ALLOWED_FORM_RELATIONS: Self = Self::EXTERNAL
|
||||||
|
.union(Self::HELP)
|
||||||
|
.union(Self::LICENSE)
|
||||||
|
.union(Self::NEXT)
|
||||||
|
.union(Self::NO_FOLLOW)
|
||||||
|
.union(Self::NO_OPENER)
|
||||||
|
.union(Self::NO_REFERRER)
|
||||||
|
.union(Self::OPENER)
|
||||||
|
.union(Self::PREV)
|
||||||
|
.union(Self::SEARCH);
|
||||||
|
|
||||||
|
/// Compute the set of relations for an element given its `"rel"` attribute
|
||||||
|
///
|
||||||
|
/// This function should only be used with [`<link>`], [`<a>`], [`<area>`] and [`<form>`] elements.
|
||||||
|
///
|
||||||
|
/// [`<link>`]: https://html.spec.whatwg.org/multipage/#htmllinkelement
|
||||||
|
/// [`<a>`]: https://html.spec.whatwg.org/multipage/#the-a-element
|
||||||
|
/// [`<area>`]: https://html.spec.whatwg.org/multipage/#the-area-element
|
||||||
|
/// [`<form>`]: https://html.spec.whatwg.org/multipage/#the-form-element
|
||||||
|
pub fn for_element(element: &Element) -> Self {
|
||||||
|
let rel = element.get_attribute(&ns!(), &local_name!("rel")).map(|e| {
|
||||||
|
let value = e.value();
|
||||||
|
(**value).to_owned()
|
||||||
|
});
|
||||||
|
|
||||||
|
let mut relations = rel
|
||||||
|
.map(|attribute| {
|
||||||
|
attribute
|
||||||
|
.split(HTML_SPACE_CHARACTERS)
|
||||||
|
.map(Self::from_single_keyword)
|
||||||
|
.collect()
|
||||||
|
})
|
||||||
|
.unwrap_or(Self::empty());
|
||||||
|
|
||||||
|
// For historical reasons, "rev=made" is treated as if the "author" relation was specified
|
||||||
|
let has_legacy_author_relation = element
|
||||||
|
.get_attribute(&ns!(), &local_name!("rev"))
|
||||||
|
.is_some_and(|rev| &**rev.value() == "made");
|
||||||
|
if has_legacy_author_relation {
|
||||||
|
relations |= Self::AUTHOR;
|
||||||
|
}
|
||||||
|
|
||||||
|
let allowed_relations = if element.is::<HTMLLinkElement>() {
|
||||||
|
Self::ALLOWED_LINK_RELATIONS
|
||||||
|
} else if element.is::<HTMLAnchorElement>() || element.is::<HTMLAreaElement>() {
|
||||||
|
Self::ALLOWED_ANCHOR_OR_AREA_RELATIONS
|
||||||
|
} else if element.is::<HTMLFormElement>() {
|
||||||
|
Self::ALLOWED_FORM_RELATIONS
|
||||||
|
} else {
|
||||||
|
Self::empty()
|
||||||
|
};
|
||||||
|
|
||||||
|
relations & allowed_relations
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Parse one single link relation keyword
|
||||||
|
///
|
||||||
|
/// If the keyword is invalid then `Self::empty()` is returned.
|
||||||
|
fn from_single_keyword(keyword: &str) -> Self {
|
||||||
|
if keyword.eq_ignore_ascii_case("alternate") {
|
||||||
|
Self::ALTERNATE
|
||||||
|
} else if keyword.eq_ignore_ascii_case("canonical") {
|
||||||
|
Self::CANONICAL
|
||||||
|
} else if keyword.eq_ignore_ascii_case("author") {
|
||||||
|
Self::AUTHOR
|
||||||
|
} else if keyword.eq_ignore_ascii_case("bookmark") {
|
||||||
|
Self::BOOKMARK
|
||||||
|
} else if keyword.eq_ignore_ascii_case("dns-prefetch") {
|
||||||
|
Self::DNS_PREFETCH
|
||||||
|
} else if keyword.eq_ignore_ascii_case("expect") {
|
||||||
|
Self::EXPECT
|
||||||
|
} else if keyword.eq_ignore_ascii_case("external") {
|
||||||
|
Self::EXTERNAL
|
||||||
|
} else if keyword.eq_ignore_ascii_case("help") {
|
||||||
|
Self::HELP
|
||||||
|
} else if keyword.eq_ignore_ascii_case("icon") ||
|
||||||
|
keyword.eq_ignore_ascii_case("shortcut icon") ||
|
||||||
|
keyword.eq_ignore_ascii_case("apple-touch-icon")
|
||||||
|
{
|
||||||
|
// TODO: "apple-touch-icon" is not in the spec. Where did it come from? Do we need it?
|
||||||
|
// There is also "apple-touch-icon-precomposed" listed in
|
||||||
|
// https://github.com/servo/servo/blob/e43e4778421be8ea30db9d5c553780c042161522/components/script/dom/htmllinkelement.rs#L452-L467
|
||||||
|
Self::ICON
|
||||||
|
} else if keyword.eq_ignore_ascii_case("manifest") {
|
||||||
|
Self::MANIFEST
|
||||||
|
} else if keyword.eq_ignore_ascii_case("modulepreload") {
|
||||||
|
Self::MODULE_PRELOAD
|
||||||
|
} else if keyword.eq_ignore_ascii_case("license") ||
|
||||||
|
keyword.eq_ignore_ascii_case("copyright")
|
||||||
|
{
|
||||||
|
Self::LICENSE
|
||||||
|
} else if keyword.eq_ignore_ascii_case("next") {
|
||||||
|
Self::NEXT
|
||||||
|
} else if keyword.eq_ignore_ascii_case("nofollow") {
|
||||||
|
Self::NO_FOLLOW
|
||||||
|
} else if keyword.eq_ignore_ascii_case("noopener") {
|
||||||
|
Self::NO_OPENER
|
||||||
|
} else if keyword.eq_ignore_ascii_case("noreferrer") {
|
||||||
|
Self::NO_REFERRER
|
||||||
|
} else if keyword.eq_ignore_ascii_case("opener") {
|
||||||
|
Self::OPENER
|
||||||
|
} else if keyword.eq_ignore_ascii_case("pingback") {
|
||||||
|
Self::PING_BACK
|
||||||
|
} else if keyword.eq_ignore_ascii_case("preconnect") {
|
||||||
|
Self::PRECONNECT
|
||||||
|
} else if keyword.eq_ignore_ascii_case("prefetch") {
|
||||||
|
Self::PREFETCH
|
||||||
|
} else if keyword.eq_ignore_ascii_case("preload") {
|
||||||
|
Self::PRELOAD
|
||||||
|
} else if keyword.eq_ignore_ascii_case("prev") || keyword.eq_ignore_ascii_case("previous") {
|
||||||
|
Self::PREV
|
||||||
|
} else if keyword.eq_ignore_ascii_case("privacy-policy") {
|
||||||
|
Self::PRIVACY_POLICY
|
||||||
|
} else if keyword.eq_ignore_ascii_case("search") {
|
||||||
|
Self::SEARCH
|
||||||
|
} else if keyword.eq_ignore_ascii_case("stylesheet") {
|
||||||
|
Self::STYLESHEET
|
||||||
|
} else if keyword.eq_ignore_ascii_case("tag") {
|
||||||
|
Self::TAG
|
||||||
|
} else if keyword.eq_ignore_ascii_case("terms-of-service") {
|
||||||
|
Self::TERMS_OF_SERVICE
|
||||||
|
} else {
|
||||||
|
Self::empty()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#get-an-element's-noopener>
|
||||||
|
pub fn get_element_noopener(&self, target_attribute_value: Option<&DOMString>) -> bool {
|
||||||
|
// Step 1. If element's link types include the noopener or noreferrer keyword, then return true.
|
||||||
|
if self.contains(Self::NO_OPENER) || self.contains(Self::NO_REFERRER) {
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Step 2. If element's link types do not include the opener keyword and
|
||||||
|
// target is an ASCII case-insensitive match for "_blank", then return true.
|
||||||
|
let target_is_blank =
|
||||||
|
target_attribute_value.is_some_and(|target| target.to_ascii_lowercase() == "_blank");
|
||||||
|
if !self.contains(Self::OPENER) && target_is_blank {
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Step 3. Return false.
|
||||||
|
false
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
malloc_size_of_is_0!(LinkRelations);
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#get-an-element's-target>
|
||||||
|
pub fn get_element_target(subject: &Element) -> Option<DOMString> {
|
||||||
|
if !(subject.is::<HTMLAreaElement>() ||
|
||||||
|
subject.is::<HTMLAnchorElement>() ||
|
||||||
|
subject.is::<HTMLFormElement>())
|
||||||
|
{
|
||||||
|
return None;
|
||||||
|
}
|
||||||
|
if subject.has_attribute(&local_name!("target")) {
|
||||||
|
return Some(subject.get_string_attribute(&local_name!("target")));
|
||||||
|
}
|
||||||
|
|
||||||
|
let doc = document_from_node(subject).base_element();
|
||||||
|
match doc {
|
||||||
|
Some(doc) => {
|
||||||
|
let element = doc.upcast::<Element>();
|
||||||
|
if element.has_attribute(&local_name!("target")) {
|
||||||
|
Some(element.get_string_attribute(&local_name!("target")))
|
||||||
|
} else {
|
||||||
|
None
|
||||||
|
}
|
||||||
|
},
|
||||||
|
None => None,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// <https://html.spec.whatwg.org/multipage/#following-hyperlinks-2>
|
||||||
|
pub fn follow_hyperlink(
|
||||||
|
subject: &Element,
|
||||||
|
relations: LinkRelations,
|
||||||
|
hyperlink_suffix: Option<String>,
|
||||||
|
) {
|
||||||
|
// Step 1. If subject cannot navigate, then return.
|
||||||
|
if subject.cannot_navigate() {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
// Step 2, done in Step 7.
|
||||||
|
|
||||||
|
let document = document_from_node(subject);
|
||||||
|
let window = document.window();
|
||||||
|
|
||||||
|
// Step 3: source browsing context.
|
||||||
|
let source = document.browsing_context().unwrap();
|
||||||
|
|
||||||
|
// Step 4-5: target attribute.
|
||||||
|
let target_attribute_value =
|
||||||
|
if subject.is::<HTMLAreaElement>() || subject.is::<HTMLAnchorElement>() {
|
||||||
|
get_element_target(subject)
|
||||||
|
} else {
|
||||||
|
None
|
||||||
|
};
|
||||||
|
|
||||||
|
// Step 6.
|
||||||
|
let noopener = relations.get_element_noopener(target_attribute_value.as_ref());
|
||||||
|
|
||||||
|
// Step 7.
|
||||||
|
let (maybe_chosen, replace) = match target_attribute_value {
|
||||||
|
Some(name) => {
|
||||||
|
let (maybe_chosen, new) = source.choose_browsing_context(name, noopener);
|
||||||
|
let replace = if new {
|
||||||
|
HistoryEntryReplacement::Enabled
|
||||||
|
} else {
|
||||||
|
HistoryEntryReplacement::Disabled
|
||||||
|
};
|
||||||
|
(maybe_chosen, replace)
|
||||||
|
},
|
||||||
|
None => (
|
||||||
|
Some(window.window_proxy()),
|
||||||
|
HistoryEntryReplacement::Disabled,
|
||||||
|
),
|
||||||
|
};
|
||||||
|
|
||||||
|
// Step 8.
|
||||||
|
let chosen = match maybe_chosen {
|
||||||
|
Some(proxy) => proxy,
|
||||||
|
None => return,
|
||||||
|
};
|
||||||
|
|
||||||
|
if let Some(target_document) = chosen.document() {
|
||||||
|
let target_window = target_document.window();
|
||||||
|
// Step 9, dis-owning target's opener, if necessary
|
||||||
|
// will have been done as part of Step 7 above
|
||||||
|
// in choose_browsing_context/create_auxiliary_browsing_context.
|
||||||
|
|
||||||
|
// Step 10, 11. TODO: if parsing the URL failed, navigate to error page.
|
||||||
|
|
||||||
|
let attribute = subject.get_attribute(&ns!(), &local_name!("href")).unwrap();
|
||||||
|
let mut href = attribute.Value();
|
||||||
|
|
||||||
|
// Step 11: 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);
|
||||||
|
}
|
||||||
|
let Ok(url) = document.base_url().join(&href) else {
|
||||||
|
return;
|
||||||
|
};
|
||||||
|
|
||||||
|
// Step 12.
|
||||||
|
let referrer_policy = referrer_policy_for_element(subject);
|
||||||
|
|
||||||
|
// Step 13
|
||||||
|
let referrer = if relations.contains(LinkRelations::NO_REFERRER) {
|
||||||
|
Referrer::NoReferrer
|
||||||
|
} else {
|
||||||
|
target_window.upcast::<GlobalScope>().get_referrer()
|
||||||
|
};
|
||||||
|
|
||||||
|
// Step 14
|
||||||
|
let pipeline_id = target_window.upcast::<GlobalScope>().pipeline_id();
|
||||||
|
let secure = target_window.upcast::<GlobalScope>().is_secure_context();
|
||||||
|
let load_data = LoadData::new(
|
||||||
|
LoadOrigin::Script(document.origin().immutable().clone()),
|
||||||
|
url,
|
||||||
|
Some(pipeline_id),
|
||||||
|
referrer,
|
||||||
|
referrer_policy,
|
||||||
|
Some(secure),
|
||||||
|
);
|
||||||
|
let target = Trusted::new(target_window);
|
||||||
|
let task = task!(navigate_follow_hyperlink: move || {
|
||||||
|
debug!("following hyperlink to {}", load_data.url);
|
||||||
|
target.root().load_url(replace, false, load_data);
|
||||||
|
});
|
||||||
|
target_window
|
||||||
|
.task_manager()
|
||||||
|
.dom_manipulation_task_source()
|
||||||
|
.queue(task, target_window.upcast())
|
||||||
|
.unwrap();
|
||||||
|
};
|
||||||
|
}
|
Loading…
Add table
Add a link
Reference in a new issue