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Implement HTMLHyperlinkElementUtils for HTMLAnchorElement #9887

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merged 1 commit into from Mar 25, 2016
Merged

Implement HTMLHyperlinkElementUtils for HTMLAnchorElement #9887

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343 changes: 343 additions & 0 deletions components/script/dom/htmlanchorelement.rs
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Expand Up @@ -5,13 +5,15 @@

use dom::activation::Activatable;
use dom::attr::AttrValue;
use dom::bindings::cell::DOMRefCell;
use dom::bindings::codegen::Bindings::AttrBinding::AttrMethods;
use dom::bindings::codegen::Bindings::HTMLAnchorElementBinding;
use dom::bindings::codegen::Bindings::HTMLAnchorElementBinding::HTMLAnchorElementMethods;
use dom::bindings::codegen::Bindings::MouseEventBinding::MouseEventMethods;
use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::{JS, MutNullableHeap, Root};
use dom::bindings::str::USVString;
use dom::document::Document;
use dom::domtokenlist::DOMTokenList;
use dom::element::Element;
Expand All @@ -21,16 +23,19 @@ use dom::htmlelement::HTMLElement;
use dom::htmlimageelement::HTMLImageElement;
use dom::mouseevent::MouseEvent;
use dom::node::{Node, document_from_node, window_from_node};
use dom::urlhelper::UrlHelper;
use dom::virtualmethods::VirtualMethods;
use num::ToPrimitive;
use std::default::Default;
use string_cache::Atom;
use url::{Url, UrlParser};
use util::str::DOMString;

#[dom_struct]
pub struct HTMLAnchorElement {
htmlelement: HTMLElement,
rel_list: MutNullableHeap<JS<DOMTokenList>>,
url: DOMRefCell<Option<Url>>,
}

impl HTMLAnchorElement {
Expand All @@ -41,6 +46,7 @@ impl HTMLAnchorElement {
htmlelement:
HTMLElement::new_inherited(localName, prefix, document),
rel_list: Default::default(),
url: DOMRefCell::new(None),
}
}

Expand All @@ -51,6 +57,37 @@ impl HTMLAnchorElement {
let element = HTMLAnchorElement::new_inherited(localName, prefix, document);
Node::reflect_node(box element, document, HTMLAnchorElementBinding::Wrap)
}

// https://html.spec.whatwg.org/multipage/#concept-hyperlink-url-set
fn set_url(&self) {
let attribute = self.upcast::<Element>().get_attribute(&ns!(), &atom!("href"));
*self.url.borrow_mut() = attribute.and_then(|attribute| {
let document = document_from_node(self);
let mut parser = UrlParser::new();
parser.base_url(document.url());
parser.parse(&attribute.value()).ok()
});
}

// https://html.spec.whatwg.org/multipage/#reinitialise-url
fn reinitialize_url(&self) {
// Step 1.
match *self.url.borrow() {
None => return,
Some(ref url) if url.scheme == "blob" &&
url.non_relative_scheme_data().is_some() => return,
_ => (),
}

// Step 2.
self.set_url();
}

// https://html.spec.whatwg.org/multipage/#update-href
fn update_href(&self) {
self.upcast::<Element>().set_string_attribute(&atom!("href"),
self.url.borrow().as_ref().unwrap().serialize().into());
}
}

impl VirtualMethods for HTMLAnchorElement {
Expand Down Expand Up @@ -107,6 +144,312 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement {

// https://html.spec.whatwg.org/multipage/#dom-a-shape
make_setter!(SetShape, "shape");

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-hash
fn Hash(&self) -> USVString {
// Step 1.
self.reinitialize_url();

match *self.url.borrow() {
// Step 3.
None => USVString(String::new()),
Some(ref url) => {
// Steps 3-4.
UrlHelper::Hash(url)
}
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-hash
fn SetHash(&self, value: USVString) {
// Step 1.
self.reinitialize_url();

// Step 3.
if let Some(url) = self.url.borrow_mut().as_mut() {
if url.scheme == "javascript" { return; }
// Steps 4-5.
UrlHelper::SetHash(url, value);
// Step 6.
self.update_href();
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-host
fn Host(&self) -> USVString {
// Step 1.
self.reinitialize_url();

match *self.url.borrow() {
// Step 3.
None => USVString(String::new()),
Some(ref url) => {
if url.host().is_none() {
USVString(String::new())
} else {
// Steps 4-5.
UrlHelper::Host(url)
}
}
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-host
fn SetHost(&self, value: USVString) {
// Step 1.
self.reinitialize_url();

// Step 3.
if let Some(url) = self.url.borrow_mut().as_mut() {
if url.non_relative_scheme_data().is_some() {
return;
}
// Step 4.
UrlHelper::SetHost(url, value);
// Step 5.
self.update_href();
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-hostname
fn Hostname(&self) -> USVString {
// Step 1.
self.reinitialize_url();

match *self.url.borrow() {
// Step 3.
None => USVString(String::new()),
Some(ref url) => {
// Step 4.
UrlHelper::Hostname(url)
}
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-hostname
fn SetHostname(&self, value: USVString) {
// Step 1.
self.reinitialize_url();

// Step 3.
if let Some(url) = self.url.borrow_mut().as_mut() {
if url.non_relative_scheme_data().is_some() {
return;
}
// Step 4.
UrlHelper::SetHostname(url, value);
// Step 5.
self.update_href();
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-href
fn Href(&self) -> USVString {
// Step 1.
self.reinitialize_url();

USVString(match *self.url.borrow() {
None => {
match self.upcast::<Element>().get_attribute(&ns!(), &atom!("href")) {
// Step 3.
None => String::new(),
// Step 4.
Some(attribute) => (**attribute.value()).to_owned(),
}
},
// Step 5.
Some(ref url) => url.serialize(),
})
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-href
fn SetHref(&self, value: USVString) {
self.upcast::<Element>().set_string_attribute(&atom!("href"),
DOMString::from_string(value.0));
self.set_url();
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-password
fn Password(&self) -> USVString {
// Step 1.
self.reinitialize_url();

match *self.url.borrow() {
// Step 3.
None => USVString(String::new()),
// Steps 3-4.
Some(ref url) => UrlHelper::Password(url)
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-password
fn SetPassword(&self, value: USVString) {
// Step 1.
self.reinitialize_url();

// Step 3.
if let Some(url) = self.url.borrow_mut().as_mut() {
if url.host().is_none() || url.non_relative_scheme_data().is_some() {
return;
}
// Step 4.
UrlHelper::SetPassword(url, value);
// Step 5.
self.update_href();
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-pathname
fn Pathname(&self) -> USVString {
// Step 1.
self.reinitialize_url();

match *self.url.borrow() {
// Step 3.
None => USVString(String::new()),
// Steps 4-5.
Some(ref url) => UrlHelper::Pathname(url)
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-pathname
fn SetPathname(&self, value: USVString) {
// Step 1.
self.reinitialize_url();

// Step 3.
if let Some(url) = self.url.borrow_mut().as_mut() {
if url.non_relative_scheme_data().is_some() { return; }
// Step 5.
UrlHelper::SetPathname(url, value);
// Step 6.
self.update_href();
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-port
fn Port(&self) -> USVString {
// Step 1.
self.reinitialize_url();

match *self.url.borrow() {
// Step 3.
None => USVString(String::new()),
// Step 4.
Some(ref url) => UrlHelper::Port(url)
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-port
fn SetPort(&self, value: USVString) {
// Step 1.
self.reinitialize_url();

// Step 3.
if let Some(url) = self.url.borrow_mut().as_mut() {
if url.host().is_none() ||
url.non_relative_scheme_data().is_some() ||
url.scheme == "file" {
return;
}
// Step 4.
UrlHelper::SetPort(url, value);
// Step 5.
self.update_href();
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-protocol
fn Protocol(&self) -> USVString {
// Step 1.
self.reinitialize_url();

match *self.url.borrow() {
// Step 2.
None => USVString(":".to_owned()),
// Step 3.
Some(ref url) => UrlHelper::Protocol(url)
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-protocol
fn SetProtocol(&self, value: USVString) {
// Step 1.
self.reinitialize_url();

// Step 2.
if let Some(url) = self.url.borrow_mut().as_mut() {
// Step 3.
UrlHelper::SetProtocol(url, value);
// Step 4.
self.update_href();
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-search
fn Search(&self) -> USVString {
// Step 1.
self.reinitialize_url();

match *self.url.borrow() {
// Step 2.
None => USVString(String::new()),
// Step 3.
Some(ref url) => UrlHelper::Search(url)
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-search
fn SetSearch(&self, value: USVString) {
// Step 1.
self.reinitialize_url();

// Step 3.
if let Some(url) = self.url.borrow_mut().as_mut() {
// Steps 4-5.
// TODO add this element's node document character encoding as
// encoding override (as described in the spec)
UrlHelper::SetSearch(url, value);
// Step 6.
self.update_href();
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-username
fn Username(&self) -> USVString {
// Step 1.
self.reinitialize_url();

match *self.url.borrow() {
// Step 2.
None => USVString(String::new()),
// Step 3.
Some(ref url) => UrlHelper::Username(url)
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-username
fn SetUsername(&self, value: USVString) {
// Step 1.
self.reinitialize_url();

// Step 3.
if let Some(url) = self.url.borrow_mut().as_mut() {
if url.host().is_none() || url.non_relative_scheme_data().is_some() {
return;
}

// Step 4.
UrlHelper::SetUsername(url, value);
// Step 5.
self.update_href();
}
}

// https://html.spec.whatwg.org/multipage/#dom-hyperlink-href
fn Stringifier(&self) -> DOMString {
DOMString::from(self.Href().0)
}
}

impl Activatable for HTMLAnchorElement {
Expand Down