forked from mirrors/gecko-dev
c2d666ebcc
Takes care of #12436. --- <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: --> - [X] `./mach build -d` does not report any errors - [X] `./mach test-tidy` does not report any errors - [X] These changes fix #12436. <!-- Either: --> - [X] These changes do not require tests because the changes do not affect any functionality. <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. --> Source-Repo: https://github.com/servo/servo Source-Revision: f3f134707506c311ad89deb8f9177c05f59bd483
77 lines
2.8 KiB
Rust
77 lines
2.8 KiB
Rust
/* 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 http://mozilla.org/MPL/2.0/. */
|
|
|
|
use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
|
|
use dom::bindings::codegen::Bindings::HTMLHeadElementBinding;
|
|
use dom::bindings::inheritance::Castable;
|
|
use dom::bindings::js::{Root, RootedReference};
|
|
use dom::bindings::str::DOMString;
|
|
use dom::document::{Document, determine_policy_for_token};
|
|
use dom::element::Element;
|
|
use dom::htmlelement::HTMLElement;
|
|
use dom::htmlmetaelement::HTMLMetaElement;
|
|
use dom::node::{Node, document_from_node};
|
|
use dom::userscripts::load_script;
|
|
use dom::virtualmethods::VirtualMethods;
|
|
use string_cache::Atom;
|
|
|
|
#[dom_struct]
|
|
pub struct HTMLHeadElement {
|
|
htmlelement: HTMLElement
|
|
}
|
|
|
|
impl HTMLHeadElement {
|
|
fn new_inherited(localName: Atom,
|
|
prefix: Option<DOMString>,
|
|
document: &Document) -> HTMLHeadElement {
|
|
HTMLHeadElement {
|
|
htmlelement: HTMLElement::new_inherited(localName, prefix, document)
|
|
}
|
|
}
|
|
|
|
#[allow(unrooted_must_root)]
|
|
pub fn new(localName: Atom,
|
|
prefix: Option<DOMString>,
|
|
document: &Document) -> Root<HTMLHeadElement> {
|
|
Node::reflect_node(box HTMLHeadElement::new_inherited(localName, prefix, document),
|
|
document,
|
|
HTMLHeadElementBinding::Wrap)
|
|
}
|
|
|
|
/// https://html.spec.whatwg.org/multipage/#meta-referrer
|
|
pub fn set_document_referrer(&self) {
|
|
let doc = document_from_node(self);
|
|
|
|
if doc.GetHead().r() != Some(self) {
|
|
return;
|
|
}
|
|
|
|
let node = self.upcast::<Node>();
|
|
let candidates = node.traverse_preorder()
|
|
.filter_map(Root::downcast::<Element>)
|
|
.filter(|elem| elem.is::<HTMLMetaElement>())
|
|
.filter(|elem| elem.get_string_attribute(&atom!("name")) == "referrer")
|
|
.filter(|elem| elem.get_attribute(&ns!(), &atom!("content")).is_some());
|
|
|
|
for meta in candidates {
|
|
if let Some(content) = meta.get_attribute(&ns!(), &atom!("content")).r() {
|
|
let content = content.value();
|
|
let content_val = content.trim();
|
|
if !content_val.is_empty() {
|
|
doc.set_referrer_policy(determine_policy_for_token(content_val));
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
impl VirtualMethods for HTMLHeadElement {
|
|
fn super_type(&self) -> Option<&VirtualMethods> {
|
|
Some(self.upcast::<HTMLElement>() as &VirtualMethods)
|
|
}
|
|
fn bind_to_tree(&self, _tree_in_doc: bool) {
|
|
load_script(self);
|
|
}
|
|
}
|