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Add meta-referrer support for documents
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parent
d0f5a5fd74
commit
687d0cd7c3
56 changed files with 136 additions and 263 deletions
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@ -2,17 +2,19 @@
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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::attr::AttrValue;
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use dom::attr::{Attr, AttrValue};
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use dom::bindings::cell::DOMRefCell;
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use dom::bindings::codegen::Bindings::HTMLMetaElementBinding;
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use dom::bindings::codegen::Bindings::HTMLMetaElementBinding::HTMLMetaElementMethods;
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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::js::{Root, RootedReference};
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use dom::bindings::str::DOMString;
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use dom::document::Document;
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use dom::element::Element;
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use dom::element::{AttributeMutation, Element};
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use dom::htmlelement::HTMLElement;
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use dom::node::{Node, document_from_node};
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use dom::htmlheadelement::HTMLHeadElement;
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use dom::node::{Node, UnbindContext, document_from_node};
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use dom::virtualmethods::VirtualMethods;
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use std::ascii::AsciiExt;
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use std::sync::Arc;
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@ -59,6 +61,10 @@ impl HTMLMetaElement {
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if name == "viewport" {
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self.apply_viewport();
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}
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if name == "referrer" {
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self.apply_referrer();
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}
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}
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}
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@ -85,6 +91,27 @@ impl HTMLMetaElement {
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}
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}
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}
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fn process_referrer_attribute(&self) {
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let element = self.upcast::<Element>();
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if let Some(name) = element.get_attribute(&ns!(), &atom!("name")).r() {
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let name = name.value().to_ascii_lowercase();
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let name = name.trim_matches(HTML_SPACE_CHARACTERS);
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if name == "referrer" {
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self.apply_referrer();
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}
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}
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}
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/// https://html.spec.whatwg.org/multipage/#meta-referrer
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fn apply_referrer(&self) {
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if let Some(parent) = self.upcast::<Node>().GetParentElement() {
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if let Some(head) = parent.downcast::<HTMLHeadElement>() {
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head.set_document_referrer();
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}
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}
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}
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}
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impl HTMLMetaElementMethods for HTMLMetaElement {
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@ -122,4 +149,22 @@ impl VirtualMethods for HTMLMetaElement {
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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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fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
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if let Some(s) = self.super_type() {
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s.attribute_mutated(attr, mutation);
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}
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self.process_referrer_attribute();
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}
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fn unbind_from_tree(&self, context: &UnbindContext) {
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if let Some(ref s) = self.super_type() {
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s.unbind_from_tree(context);
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}
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if context.tree_in_doc {
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self.process_referrer_attribute();
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}
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}
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}
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