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implement window.open, create auxiliary browsing context

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This commit is contained in:
Gregory Terzian 2018-04-22 12:58:30 +08:00
parent 3e96a322ae
commit f408b798c4
93 changed files with 476 additions and 324 deletions
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82
components/script/dom/htmlanchorelement.rs
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@ -574,45 +574,61 @@ impl Activatable for HTMLAnchorElement {
}
}
/// <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 1: TODO: If subject cannot navigate, then return.
// Step 2, done in Step 7.
// 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,
let window = document.window();
// Step 3: source browsing context.
let source = document.browsing_context().unwrap();
// Step 4-5: target attribute.
let target_attribute_value = subject.get_attribute(&ns!(), &local_name!("target"));
// Step 6.
let noopener = if let Some(link_types) = subject.get_attribute(&ns!(), &local_name!("rel")) {
let values = link_types.Value();
let contains_noopener = values.contains("noopener");
let contains_noreferrer = values.contains("noreferrer");
contains_noreferrer || contains_noopener
} else {
false
};
// Step 8: navigate to the URL.
if let Some(target) = target {
if !is_current_browsing_context(target.Value()) {
// https://github.com/servo/servo/issues/13241
// Step 7.
let (maybe_chosen, replace) = match target_attribute_value {
Some(name) => source.choose_browsing_context(name.Value(), noopener),
None => (Some(window.window_proxy()), false)
};
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, 12, 13. 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 12: 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 url = match document.url().join(&href) {
Ok(url) => url,
Err(_) => return,
};
debug!("following hyperlink to {}", url);
let window = document.window();
window.load_url(url, false, false, referrer_policy);
// Step 13, 14.
debug!("following hyperlink to {}", url);
target_window.load_url(url, replace, false, referrer_policy);
};
}