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Introduce a follow_hyperlink function to implement the "follow a hyperlink" algorithm.

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Ms2ger 2015-07-03 17:33:22 +02:00 • committed by Ms2ger
parent 6a8bc85284
commit ecd3f4f80e
1 changed files with 33 additions and 18 deletions
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51
components/script/dom/htmlanchorelement.rs
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@ -24,13 +24,14 @@ use dom::node::{Node, NodeHelpers, NodeTypeId, document_from_node, window_from_n
use dom::virtualmethods::VirtualMethods;
use dom::window::WindowHelpers;
use num::ToPrimitive;
use std::default::Default;
use string_cache::Atom;
use util::str::DOMString;
use num::ToPrimitive;
use string_cache::Atom;
use url::UrlParser;
use std::default::Default;
#[dom_struct]
pub struct HTMLAnchorElement {
htmlelement: HTMLElement,
@ -149,24 +150,38 @@ impl<'a> Activatable for &'a HTMLAnchorElement {
}
}
//TODO: Step 4. Download the link is `download` attribute is set.
let href = element.get_attribute(&ns!(""), &atom!("href")).unwrap();
let mut value = href.r().Value();
if let Some(suffix) = ismap_suffix {
value.push_str(&suffix);
}
debug!("clicked on link to {}", value);
let window = doc.window();
let base_url = window.get_url();
let url = UrlParser::new().base_url(&base_url).parse(&value);
// FIXME: handle URL parse errors more gracefully.
let url = url.unwrap();
window.load_url(url);
// Step 4.
//TODO: Download the link is `download` attribute is set.
follow_hyperlink(element, ismap_suffix);
}
//TODO:https://html.spec.whatwg.org/multipage/#the-a-element
fn implicit_submission(&self, _ctrlKey: bool, _shiftKey: bool, _altKey: bool, _metaKey: bool) {
}
}
/// https://html.spec.whatwg.org/multipage/#following-hyperlinks-2
fn follow_hyperlink(subject: &Element, hyperlink_suffix: Option<DOMString>) {
// Step 1: replace.
// Step 2: source browsing context.
// Step 3: target browsing context.
// Step 4.
let attribute = subject.get_attribute(&ns!(""), &atom!("href")).unwrap();
let mut href = attribute.Value();
// Step 6.
// https://www.w3.org/Bugs/Public/show_bug.cgi?id=28925
if let Some(suffix) = hyperlink_suffix {
href.push_str(&suffix);
}
// Step 4-5.
let document = document_from_node(subject);
let url = UrlParser::new().base_url(&document.url()).parse(&href).unwrap();
// Step 7.
debug!("following hyperlink to {}", url.serialize());
let window = document.window();
window.load_url(url);
}