diff options
Diffstat (limited to 'components/script/dom/htmlanchorelement.rs')
| -rw-r--r-- | components/script/dom/htmlanchorelement.rs | 409 |
1 files changed, 255 insertions, 154 deletions
diff --git a/components/script/dom/htmlanchorelement.rs b/components/script/dom/htmlanchorelement.rs index a139afe0384..e6583329880 100644 --- a/components/script/dom/htmlanchorelement.rs +++ b/components/script/dom/htmlanchorelement.rs @@ -1,35 +1,38 @@ /* 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::activation::Activatable; -use dom::bindings::cell::DOMRefCell; -use dom::bindings::codegen::Bindings::AttrBinding::AttrMethods; -use dom::bindings::codegen::Bindings::DOMTokenListBinding::DOMTokenListMethods; -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::{MutNullableJS, Root}; -use dom::bindings::str::{DOMString, USVString}; -use dom::document::Document; -use dom::domtokenlist::DOMTokenList; -use dom::element::Element; -use dom::event::Event; -use dom::eventtarget::EventTarget; -use dom::htmlelement::HTMLElement; -use dom::htmlimageelement::HTMLImageElement; -use dom::mouseevent::MouseEvent; -use dom::node::{Node, document_from_node}; -use dom::urlhelper::UrlHelper; -use dom::virtualmethods::VirtualMethods; + * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ + +use crate::dom::activation::Activatable; +use crate::dom::bindings::cell::DomRefCell; +use crate::dom::bindings::codegen::Bindings::AttrBinding::AttrMethods; +use crate::dom::bindings::codegen::Bindings::HTMLAnchorElementBinding::HTMLAnchorElementMethods; +use crate::dom::bindings::codegen::Bindings::MouseEventBinding::MouseEventMethods; +use crate::dom::bindings::codegen::Bindings::NodeBinding::NodeMethods; +use crate::dom::bindings::inheritance::Castable; +use crate::dom::bindings::refcounted::Trusted; +use crate::dom::bindings::root::{DomRoot, MutNullableDom}; +use crate::dom::bindings::str::{DOMString, USVString}; +use crate::dom::document::Document; +use crate::dom::domtokenlist::DOMTokenList; +use crate::dom::element::{referrer_policy_for_element, Element}; +use crate::dom::event::Event; +use crate::dom::eventtarget::EventTarget; +use crate::dom::globalscope::GlobalScope; +use crate::dom::htmlareaelement::HTMLAreaElement; +use crate::dom::htmlelement::HTMLElement; +use crate::dom::htmlformelement::HTMLFormElement; +use crate::dom::htmlimageelement::HTMLImageElement; +use crate::dom::mouseevent::MouseEvent; +use crate::dom::node::{document_from_node, Node}; +use crate::dom::urlhelper::UrlHelper; +use crate::dom::virtualmethods::VirtualMethods; +use crate::task_source::TaskSource; use dom_struct::dom_struct; -use html5ever_atoms::LocalName; -use net_traits::ReferrerPolicy; +use html5ever::{LocalName, Prefix}; +use net_traits::request::Referrer; use num_traits::ToPrimitive; -use script_traits::MozBrowserEvent; -use servo_config::prefs::PREFS; +use script_traits::{HistoryEntryReplacement, LoadData, LoadOrigin}; +use servo_atoms::Atom; use servo_url::ServoUrl; use std::default::Default; use style::attr::AttrValue; @@ -37,34 +40,42 @@ use style::attr::AttrValue; #[dom_struct] pub struct HTMLAnchorElement { htmlelement: HTMLElement, - rel_list: MutNullableJS<DOMTokenList>, - url: DOMRefCell<Option<ServoUrl>>, + rel_list: MutNullableDom<DOMTokenList>, + url: DomRefCell<Option<ServoUrl>>, } impl HTMLAnchorElement { - fn new_inherited(local_name: LocalName, - prefix: Option<DOMString>, - document: &Document) -> HTMLAnchorElement { + fn new_inherited( + local_name: LocalName, + prefix: Option<Prefix>, + document: &Document, + ) -> HTMLAnchorElement { HTMLAnchorElement { - htmlelement: - HTMLElement::new_inherited(local_name, prefix, document), + htmlelement: HTMLElement::new_inherited(local_name, prefix, document), rel_list: Default::default(), - url: DOMRefCell::new(None), + url: DomRefCell::new(None), } } #[allow(unrooted_must_root)] - pub fn new(local_name: LocalName, - prefix: Option<DOMString>, - document: &Document) -> Root<HTMLAnchorElement> { - Node::reflect_node(box HTMLAnchorElement::new_inherited(local_name, prefix, document), - document, - HTMLAnchorElementBinding::Wrap) + pub fn new( + local_name: LocalName, + prefix: Option<Prefix>, + document: &Document, + ) -> DomRoot<HTMLAnchorElement> { + Node::reflect_node( + Box::new(HTMLAnchorElement::new_inherited( + local_name, prefix, document, + )), + document, + ) } // https://html.spec.whatwg.org/multipage/#concept-hyperlink-url-set fn set_url(&self) { - let attribute = self.upcast::<Element>().get_attribute(&ns!(), &local_name!("href")); + let attribute = self + .upcast::<Element>() + .get_attribute(&ns!(), &local_name!("href")); *self.url.borrow_mut() = attribute.and_then(|attribute| { let document = document_from_node(self); document.base_url().join(&attribute.value()).ok() @@ -85,19 +96,23 @@ impl HTMLAnchorElement { // https://html.spec.whatwg.org/multipage/#update-href fn update_href(&self, url: DOMString) { - self.upcast::<Element>().set_string_attribute(&local_name!("href"), url); + self.upcast::<Element>() + .set_string_attribute(&local_name!("href"), url); } } impl VirtualMethods for HTMLAnchorElement { - fn super_type(&self) -> Option<&VirtualMethods> { - Some(self.upcast::<HTMLElement>() as &VirtualMethods) + fn super_type(&self) -> Option<&dyn VirtualMethods> { + Some(self.upcast::<HTMLElement>() as &dyn VirtualMethods) } fn parse_plain_attribute(&self, name: &LocalName, value: DOMString) -> AttrValue { match name { &local_name!("rel") => AttrValue::from_serialized_tokenlist(value.into()), - _ => self.super_type().unwrap().parse_plain_attribute(name, value), + _ => self + .super_type() + .unwrap() + .parse_plain_attribute(name, value), } } } @@ -118,12 +133,23 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { // https://html.spec.whatwg.org/multipage/#dom-a-rel fn SetRel(&self, rel: DOMString) { - self.upcast::<Element>().set_tokenlist_attribute(&local_name!("rel"), rel); + self.upcast::<Element>() + .set_tokenlist_attribute(&local_name!("rel"), rel); } // https://html.spec.whatwg.org/multipage/#dom-a-rellist - fn RelList(&self) -> Root<DOMTokenList> { - self.rel_list.or_init(|| DOMTokenList::new(self.upcast(), &local_name!("rel"))) + fn RelList(&self) -> DomRoot<DOMTokenList> { + self.rel_list.or_init(|| { + DOMTokenList::new( + self.upcast(), + &local_name!("rel"), + Some(vec![ + Atom::from("noopener"), + Atom::from("noreferrer"), + Atom::from("opener"), + ]), + ) + }) } // https://html.spec.whatwg.org/multipage/#dom-a-coords @@ -136,7 +162,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { make_getter!(Name, "name"); // https://html.spec.whatwg.org/multipage/#dom-a-name - make_setter!(SetName, "name"); + make_atomic_setter!(SetName, "name"); // https://html.spec.whatwg.org/multipage/#dom-a-rev make_getter!(Rev, "rev"); @@ -167,7 +193,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { Some(ref url) => { // Steps 3-4. UrlHelper::Hash(url) - } + }, } } @@ -185,7 +211,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { Some(url) => { UrlHelper::SetHash(url, value); DOMString::from(url.as_str()) - } + }, }; // Step 6. self.update_href(url); @@ -206,7 +232,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { // Steps 4-5. UrlHelper::Host(url) } - } + }, } } @@ -224,7 +250,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { Some(url) => { UrlHelper::SetHost(url, value); DOMString::from(url.as_str()) - } + }, }; // Step 5. self.update_href(url); @@ -241,7 +267,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { Some(ref url) => { // Step 4. UrlHelper::Hostname(url) - } + }, } } @@ -259,7 +285,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { Some(url) => { UrlHelper::SetHostname(url, value); DOMString::from(url.as_str()) - } + }, }; // Step 5. self.update_href(url); @@ -272,7 +298,10 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { USVString(match *self.url.borrow() { None => { - match self.upcast::<Element>().get_attribute(&ns!(), &local_name!("href")) { + match self + .upcast::<Element>() + .get_attribute(&ns!(), &local_name!("href")) + { // Step 3. None => String::new(), // Step 4. @@ -286,8 +315,8 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { // https://html.spec.whatwg.org/multipage/#dom-hyperlink-href fn SetHref(&self, value: USVString) { - self.upcast::<Element>().set_string_attribute(&local_name!("href"), - DOMString::from_string(value.0)); + self.upcast::<Element>() + .set_string_attribute(&local_name!("href"), DOMString::from_string(value.0)); self.set_url(); } @@ -303,7 +332,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { }, Some(ref url) => { // Step 3. - url.origin().unicode_serialization() + url.origin().ascii_serialization() }, }) } @@ -317,13 +346,13 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { // Step 3. None => USVString(String::new()), // Steps 3-4. - Some(ref url) => UrlHelper::Password(url) + Some(ref url) => UrlHelper::Password(url), } } // https://html.spec.whatwg.org/multipage/#dom-hyperlink-password fn SetPassword(&self, value: USVString) { - // Step 1. + // Step 1. self.reinitialize_url(); // Step 2. @@ -335,7 +364,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { Some(url) => { UrlHelper::SetPassword(url, value); DOMString::from(url.as_str()) - } + }, }; // Step 5. self.update_href(url); @@ -343,14 +372,14 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { // https://html.spec.whatwg.org/multipage/#dom-hyperlink-pathname fn Pathname(&self) -> USVString { - // Step 1. + // Step 1. self.reinitialize_url(); match *self.url.borrow() { // Step 3. None => USVString(String::new()), // Steps 4-5. - Some(ref url) => UrlHelper::Pathname(url) + Some(ref url) => UrlHelper::Pathname(url), } } @@ -368,7 +397,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { Some(url) => { UrlHelper::SetPathname(url, value); DOMString::from(url.as_str()) - } + }, }; // Step 6. self.update_href(url); @@ -383,7 +412,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { // Step 3. None => USVString(String::new()), // Step 4. - Some(ref url) => UrlHelper::Port(url) + Some(ref url) => UrlHelper::Port(url), } } @@ -394,15 +423,17 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { // Step 3. let url = match self.url.borrow_mut().as_mut() { - Some(ref url) if url.host().is_none() || - url.cannot_be_a_base() || - url.scheme() == "file" => return, + Some(ref url) + if url.host().is_none() || url.cannot_be_a_base() || url.scheme() == "file" => + { + return; + } None => return, // Step 4. Some(url) => { UrlHelper::SetPort(url, value); DOMString::from(url.as_str()) - } + }, }; // Step 5. self.update_href(url); @@ -417,7 +448,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { // Step 2. None => USVString(":".to_owned()), // Step 3. - Some(ref url) => UrlHelper::Protocol(url) + Some(ref url) => UrlHelper::Protocol(url), } } @@ -433,7 +464,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { Some(url) => { UrlHelper::SetProtocol(url, value); DOMString::from(url.as_str()) - } + }, }; // Step 4. self.update_href(url); @@ -448,7 +479,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { // Step 2. None => USVString(String::new()), // Step 3. - Some(ref url) => UrlHelper::Search(url) + Some(ref url) => UrlHelper::Search(url), } } @@ -467,7 +498,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { Some(url) => { UrlHelper::SetSearch(url, value); DOMString::from(url.as_str()) - } + }, }; // Step 6. self.update_href(url); @@ -482,7 +513,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { // Step 2. None => USVString(String::new()), // Step 3. - Some(ref url) => UrlHelper::Username(url) + Some(ref url) => UrlHelper::Username(url), } } @@ -500,16 +531,11 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement { Some(url) => { UrlHelper::SetUsername(url, value); DOMString::from(url.as_str()) - } + }, }; // Step 5. self.update_href(url); } - - // https://html.spec.whatwg.org/multipage/#dom-hyperlink-href - fn Stringifier(&self) -> DOMString { - DOMString::from(self.Href().0) - } } impl Activatable for HTMLAnchorElement { @@ -523,103 +549,178 @@ impl Activatable for HTMLAnchorElement { // hyperlink" // https://html.spec.whatwg.org/multipage/#the-a-element // "The activation behaviour of a elements *that create hyperlinks*" - self.upcast::<Element>().has_attribute(&local_name!("href")) - } - - - //TODO:https://html.spec.whatwg.org/multipage/#the-a-element - fn pre_click_activation(&self) { - } - - //TODO:https://html.spec.whatwg.org/multipage/#the-a-element - // https://html.spec.whatwg.org/multipage/#run-canceled-activation-steps - fn canceled_activation(&self) { + self.as_element().has_attribute(&local_name!("href")) } //https://html.spec.whatwg.org/multipage/#the-a-element:activation-behaviour fn activation_behavior(&self, event: &Event, target: &EventTarget) { - //Step 1. If the node document is not fully active, abort. - let doc = document_from_node(self); - if !doc.is_fully_active() { - return; - } - //TODO: Step 2. Check if browsing context is specified and act accordingly. - //Step 3. Handle <img ismap/>. - let element = self.upcast::<Element>(); + let element = self.as_element(); let mouse_event = event.downcast::<MouseEvent>().unwrap(); let mut ismap_suffix = None; + + // Step 1: If the target of the click event is an img element with an ismap attribute + // specified, then server-side image map processing must be performed. if let Some(element) = target.downcast::<Element>() { if target.is::<HTMLImageElement>() && element.has_attribute(&local_name!("ismap")) { let target_node = element.upcast::<Node>(); let rect = target_node.bounding_content_box_or_zero(); - ismap_suffix = Some( - format!("?{},{}", mouse_event.ClientX().to_f32().unwrap() - rect.origin.x.to_f32_px(), - mouse_event.ClientY().to_f32().unwrap() - rect.origin.y.to_f32_px()) - ) + ismap_suffix = Some(format!( + "?{},{}", + mouse_event.ClientX().to_f32().unwrap() - rect.origin.x.to_f32_px(), + mouse_event.ClientY().to_f32().unwrap() - rect.origin.y.to_f32_px() + )) } } - // Step 4. + // Step 2. //TODO: Download the link is `download` attribute is set. - - // https://w3c.github.io/webappsec-referrer-policy/#referrer-policy-delivery - let referrer_policy = match self.RelList().Contains("noreferrer".into()) { - true => Some(ReferrerPolicy::NoReferrer), - false => None, - }; - - follow_hyperlink(element, ismap_suffix, referrer_policy); - } - - //TODO:https://html.spec.whatwg.org/multipage/#the-a-element - fn implicit_submission(&self, _ctrl_key: bool, _shift_key: bool, _alt_key: bool, _meta_key: bool) { + follow_hyperlink(element, ismap_suffix); } } -/// 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/#get-an-element's-target> +pub fn get_element_target(subject: &Element) -> Option<DOMString> { + if !(subject.is::<HTMLAreaElement>() || + subject.is::<HTMLAnchorElement>() || + subject.is::<HTMLFormElement>()) + { + return None; + } + if subject.has_attribute(&local_name!("target")) { + return Some(subject.get_string_attribute(&local_name!("target"))); + } + + let doc = document_from_node(subject).base_element(); + match doc { + Some(doc) => { + let element = doc.upcast::<Element>(); + if element.has_attribute(&local_name!("target")) { + return Some(element.get_string_attribute(&local_name!("target"))); + } else { + return None; + } + }, + None => return None, + }; } -/// 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 4: disown target's opener if needed. - let attribute = subject.get_attribute(&ns!(), &local_name!("href")).unwrap(); - let mut href = attribute.Value(); +/// < https://html.spec.whatwg.org/multipage/#get-an-element's-noopener> +pub fn get_element_noopener(subject: &Element, target_attribute_value: Option<DOMString>) -> bool { + if !(subject.is::<HTMLAreaElement>() || + subject.is::<HTMLAnchorElement>() || + subject.is::<HTMLFormElement>()) + { + return false; + } + let target_is_blank = target_attribute_value + .as_ref() + .map_or(false, |target| target.to_lowercase() == "_blank"); + let link_types = match subject.get_attribute(&ns!(), &local_name!("rel")) { + Some(rel) => rel.Value(), + None => return target_is_blank, + }; + return link_types.contains("noreferrer") || + link_types.contains("noopener") || + (!link_types.contains("opener") && target_is_blank); +} - // 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); +/// <https://html.spec.whatwg.org/multipage/#following-hyperlinks-2> +pub fn follow_hyperlink(subject: &Element, hyperlink_suffix: Option<String>) { + // Step 1. + if subject.cannot_navigate() { + return; } + // Step 2, done in Step 7. - // 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 = + if subject.is::<HTMLAreaElement>() || subject.is::<HTMLAnchorElement>() { + get_element_target(subject) + } else { + None + }; + // Step 6. + let noopener = get_element_noopener(subject, target_attribute_value.clone()); + + // Step 7. + let (maybe_chosen, replace) = match target_attribute_value { + Some(name) => { + let (maybe_chosen, new) = source.choose_browsing_context(name, noopener); + let replace = if new { + HistoryEntryReplacement::Enabled + } else { + HistoryEntryReplacement::Disabled + }; + (maybe_chosen, replace) + }, + None => ( + Some(window.window_proxy()), + HistoryEntryReplacement::Disabled, + ), + }; + + // Step 8. + let chosen = match maybe_chosen { + Some(proxy) => proxy, + None => return, }; - // Step 8: navigate to the URL. - if let Some(target) = target { - if PREFS.is_mozbrowser_enabled() && !is_current_browsing_context(target.Value()) { - // https://developer.mozilla.org/en-US/docs/Web/Events/mozbrowseropenwindow - // TODO: referrer and opener - // TODO: should we send the normalized url or the non-normalized href? - let event = MozBrowserEvent::OpenWindow(url.into_string(), Some(String::from(target.Value())), None); - document.trigger_mozbrowser_event(event); - 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. 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 11: 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.base_url().join(&href) { + Ok(url) => url, + Err(_) => return, + }; - debug!("following hyperlink to {}", url); + // Step 12. + let referrer_policy = referrer_policy_for_element(subject); - let window = document.window(); - window.load_url(url, false, false, referrer_policy); + // Step 13 + let referrer = match subject.get_attribute(&ns!(), &local_name!("rel")) { + Some(ref link_types) if link_types.Value().contains("noreferrer") => { + Referrer::NoReferrer + }, + _ => target_window.upcast::<GlobalScope>().get_referrer(), + }; + + // Step 14 + let pipeline_id = target_window.upcast::<GlobalScope>().pipeline_id(); + let secure = target_window.upcast::<GlobalScope>().is_secure_context(); + let load_data = LoadData::new( + LoadOrigin::Script(document.origin().immutable().clone()), + url, + Some(pipeline_id), + referrer, + referrer_policy, + Some(secure), + ); + let target = Trusted::new(target_window); + let task = task!(navigate_follow_hyperlink: move || { + debug!("following hyperlink to {}", load_data.url); + target.root().load_url(replace, false, load_data); + }); + target_window + .task_manager() + .dom_manipulation_task_source() + .queue(task, target_window.upcast()) + .unwrap(); + }; } |