implement window.open, create auxiliary browsing context

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

View file

@ -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);
};
}

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@ -41,6 +41,7 @@ use dom::node::{Node, NodeFlags, UnbindContext, VecPreOrderInsertionHelper};
use dom::node::{document_from_node, window_from_node};
use dom::validitystate::ValidationFlags;
use dom::virtualmethods::VirtualMethods;
use dom::window::Window;
use dom_struct::dom_struct;
use encoding_rs::{Encoding, UTF_8};
use html5ever::{LocalName, Prefix};
@ -337,10 +338,24 @@ impl HTMLFormElement {
let scheme = action_components.scheme().to_owned();
let enctype = submitter.enctype();
let method = submitter.method();
let _target = submitter.target();
// TODO: Handle browsing contexts, partially loaded documents (step 16-17)
let mut load_data = LoadData::new(action_components, None, doc.get_referrer_policy(), Some(doc.url()));
// Step 16, 17
let target_attribute_value = submitter.target();
let source = doc.browsing_context().unwrap();
let (maybe_chosen, _new) = source.choose_browsing_context(target_attribute_value, false);
let chosen = match maybe_chosen {
Some(proxy) => proxy,
None => return
};
let target_document = match chosen.document() {
Some(doc) => doc,
None => return
};
let target_window = target_document.window();
let mut load_data = LoadData::new(action_components,
None,
target_document.get_referrer_policy(),
Some(target_document.url()));
// Step 18
match (&*scheme, method) {
@ -351,17 +366,17 @@ impl HTMLFormElement {
// https://html.spec.whatwg.org/multipage/#submit-mutate-action
("http", FormMethod::FormGet) | ("https", FormMethod::FormGet) | ("data", FormMethod::FormGet) => {
load_data.headers.set(ContentType::form_url_encoded());
self.mutate_action_url(&mut form_data, load_data, encoding);
self.mutate_action_url(&mut form_data, load_data, encoding, &target_window);
}
// https://html.spec.whatwg.org/multipage/#submit-body
("http", FormMethod::FormPost) | ("https", FormMethod::FormPost) => {
load_data.method = Method::Post;
self.submit_entity_body(&mut form_data, load_data, enctype, encoding);
self.submit_entity_body(&mut form_data, load_data, enctype, encoding, &target_window);
}
// https://html.spec.whatwg.org/multipage/#submit-get-action
("file", _) | ("about", _) | ("data", FormMethod::FormPost) |
("ftp", _) | ("javascript", _) => {
self.plan_to_navigate(load_data);
self.plan_to_navigate(load_data, &target_window);
}
("mailto", FormMethod::FormPost) => {
// TODO: Mail as body
@ -376,7 +391,11 @@ impl HTMLFormElement {
}
// https://html.spec.whatwg.org/multipage/#submit-mutate-action
fn mutate_action_url(&self, form_data: &mut Vec<FormDatum>, mut load_data: LoadData, encoding: &'static Encoding) {
fn mutate_action_url(&self,
form_data: &mut Vec<FormDatum>,
mut load_data: LoadData,
encoding: &'static Encoding,
target: &Window) {
let charset = encoding.name();
self.set_encoding_override(load_data.url.as_mut_url().query_pairs_mut())
@ -384,12 +403,16 @@ impl HTMLFormElement {
.extend_pairs(form_data.into_iter()
.map(|field| (field.name.clone(), field.replace_value(charset))));
self.plan_to_navigate(load_data);
self.plan_to_navigate(load_data, target);
}
// https://html.spec.whatwg.org/multipage/#submit-body
fn submit_entity_body(&self, form_data: &mut Vec<FormDatum>, mut load_data: LoadData,
enctype: FormEncType, encoding: &'static Encoding) {
fn submit_entity_body(&self,
form_data: &mut Vec<FormDatum>,
mut load_data: LoadData,
enctype: FormEncType,
encoding: &'static Encoding,
target: &Window) {
let boundary = generate_boundary();
let bytes = match enctype {
FormEncType::UrlEncoded => {
@ -415,7 +438,7 @@ impl HTMLFormElement {
};
load_data.data = Some(bytes);
self.plan_to_navigate(load_data);
self.plan_to_navigate(load_data, target);
}
fn set_encoding_override<'a>(&self, mut serializer: Serializer<UrlQuery<'a>>)
@ -426,9 +449,7 @@ impl HTMLFormElement {
}
/// [Planned navigation](https://html.spec.whatwg.org/multipage/#planned-navigation)
fn plan_to_navigate(&self, load_data: LoadData) {
let window = window_from_node(self);
fn plan_to_navigate(&self, load_data: LoadData, target: &Window) {
// Step 1
// Each planned navigation task is tagged with a generation ID, and
// before the task is handled, it first checks whether the HTMLFormElement's
@ -437,8 +458,8 @@ impl HTMLFormElement {
self.generation_id.set(generation_id);
// Step 2.
let pipeline_id = window.upcast::<GlobalScope>().pipeline_id();
let script_chan = window.main_thread_script_chan().clone();
let pipeline_id = target.upcast::<GlobalScope>().pipeline_id();
let script_chan = target.main_thread_script_chan().clone();
let this = Trusted::new(self);
let task = task!(navigate_to_form_planned_navigation: move || {
if generation_id != this.root().generation_id.get() {
@ -452,7 +473,7 @@ impl HTMLFormElement {
});
// Step 3.
window.dom_manipulation_task_source().queue(task, window.upcast()).unwrap();
target.dom_manipulation_task_source().queue(task, target.upcast()).unwrap();
}
/// Interactively validate the constraints of form elements

View file

@ -40,8 +40,8 @@
// https://github.com/whatwg/html/issues/2115
[Replaceable] readonly attribute WindowProxy? parent;
readonly attribute Element? frameElement;
//WindowProxy open(optional DOMString url = "about:blank", optional DOMString target = "_blank",
// optional DOMString features = "", optional boolean replace = false);
WindowProxy? open(optional DOMString url = "about:blank", optional DOMString target = "_blank",
optional DOMString features = "");
//getter WindowProxy (unsigned long index);
// https://github.com/servo/servo/issues/14453

View file

@ -565,6 +565,15 @@ impl WindowMethods for Window {
doc.abort();
}
// https://html.spec.whatwg.org/multipage/#dom-open
fn Open(&self,
url: DOMString,
target: DOMString,
features: DOMString)
-> Option<DomRoot<WindowProxy>> {
self.window_proxy().open(url, target, features)
}
// https://html.spec.whatwg.org/multipage/#dom-window-closed
fn Closed(&self) -> bool {
self.window_proxy.get()

View file

@ -13,10 +13,12 @@ use dom::bindings::str::DOMString;
use dom::bindings::trace::JSTraceable;
use dom::bindings::utils::{WindowProxyHandler, get_array_index_from_id, AsVoidPtr};
use dom::dissimilaroriginwindow::DissimilarOriginWindow;
use dom::document::Document;
use dom::element::Element;
use dom::globalscope::GlobalScope;
use dom::window::Window;
use dom_struct::dom_struct;
use embedder_traits::EmbedderMsg;
use ipc_channel::ipc;
use js::JSCLASS_IS_GLOBAL;
use js::glue::{CreateWrapperProxyHandler, ProxyTraps};
@ -42,7 +44,9 @@ use msg::constellation_msg::BrowsingContextId;
use msg::constellation_msg::PipelineId;
use msg::constellation_msg::TopLevelBrowsingContextId;
use script_thread::ScriptThread;
use script_traits::ScriptMsg;
use script_traits::{AuxiliaryBrowsingContextLoadInfo, LoadData, NewLayoutInfo, ScriptMsg};
use servo_config::prefs::PREFS;
use servo_url::ServoUrl;
use std::cell::Cell;
use std::ptr;
@ -200,6 +204,138 @@ impl WindowProxy {
}
}
// https://html.spec.whatwg.org/multipage/#auxiliary-browsing-context
fn create_auxiliary_browsing_context(&self, name: DOMString, _noopener: bool) -> Option<DomRoot<WindowProxy>> {
let (chan, port) = ipc::channel().unwrap();
let window = self.currently_active.get()
.and_then(|id| ScriptThread::find_document(id))
.and_then(|doc| Some(DomRoot::from_ref(doc.window())))
.unwrap();
let msg = EmbedderMsg::AllowOpeningBrowser(chan);
window.send_to_embedder(msg);
if port.recv().unwrap() {
let new_top_level_browsing_context_id = TopLevelBrowsingContextId::new();
let new_browsing_context_id = BrowsingContextId::from(new_top_level_browsing_context_id);
let new_pipeline_id = PipelineId::new();
let load_info = AuxiliaryBrowsingContextLoadInfo {
opener_pipeline_id: self.currently_active.get().unwrap(),
new_browsing_context_id: new_browsing_context_id,
new_top_level_browsing_context_id: new_top_level_browsing_context_id,
new_pipeline_id: new_pipeline_id,
};
let document = self.currently_active.get()
.and_then(|id| ScriptThread::find_document(id))
.unwrap();
let blank_url = ServoUrl::parse("about:blank").ok().unwrap();
let load_data = LoadData::new(blank_url,
None,
document.get_referrer_policy(),
Some(document.url().clone()));
let (pipeline_sender, pipeline_receiver) = ipc::channel().unwrap();
let new_layout_info = NewLayoutInfo {
parent_info: None,
new_pipeline_id: new_pipeline_id,
browsing_context_id: new_browsing_context_id,
top_level_browsing_context_id: new_top_level_browsing_context_id,
load_data: load_data,
pipeline_port: pipeline_receiver,
content_process_shutdown_chan: None,
window_size: None,
layout_threads: PREFS.get("layout.threads").as_u64().expect("count") as usize,
};
let constellation_msg = ScriptMsg::ScriptNewAuxiliary(load_info, pipeline_sender);
window.send_to_constellation(constellation_msg);
ScriptThread::process_attach_layout(new_layout_info, document.origin().clone());
let msg = EmbedderMsg::BrowserCreated(new_top_level_browsing_context_id);
window.send_to_embedder(msg);
let auxiliary = ScriptThread::find_document(new_pipeline_id).and_then(|doc| doc.browsing_context());
if let Some(proxy) = auxiliary {
if name.to_lowercase() != "_blank" {
proxy.set_name(name);
}
return Some(proxy)
}
}
None
}
// https://html.spec.whatwg.org/multipage/#window-open-steps
pub fn open(&self,
url: DOMString,
target: DOMString,
features: DOMString)
-> Option<DomRoot<WindowProxy>> {
// Step 3.
let non_empty_target = match target.as_ref() {
"" => DOMString::from("_blank"),
_ => target
};
// TODO Step 4, properly tokenize features.
// Step 5
let noopener = features.contains("noopener");
// Step 6, 7
let (chosen, new) = match self.choose_browsing_context(non_empty_target, noopener) {
(Some(chosen), new) => (chosen, new),
(None, _) => return None
};
// TODO Step 8, set up browsing context features.
let target_document = match chosen.document() {
Some(target_document) => target_document,
None => return None
};
let target_window = target_document.window();
// Step 9, and 10.2, will have happened elsewhere,
// since we've created a new browsing context and loaded it with about:blank.
if !url.is_empty() {
let existing_document = self.currently_active.get()
.and_then(|id| ScriptThread::find_document(id)).unwrap();
// Step 10.1
let url = match existing_document.url().join(&url) {
Ok(url) => url,
Err(_) => return None, // TODO: throw a "SyntaxError" DOMException.
};
// Step 10.3
target_window.load_url(url, new, false, target_document.get_referrer_policy());
}
if noopener {
// Step 11 (Dis-owning has been done in create_auxiliary_browsing_context).
return None
}
// Step 12.
return target_document.browsing_context()
}
// https://html.spec.whatwg.org/multipage/#the-rules-for-choosing-a-browsing-context-given-a-browsing-context-name
pub fn choose_browsing_context(&self, name: DOMString, noopener: bool) -> (Option<DomRoot<WindowProxy>>, bool) {
match name.to_lowercase().as_ref() {
"" | "_self" => {
// Step 3.
(Some(DomRoot::from_ref(self)), false)
},
"_parent" => {
// Step 4
(Some(DomRoot::from_ref(self.parent().unwrap())), false)
},
"_top" => {
// Step 5
(Some(DomRoot::from_ref(self.top())), false)
},
"_blank" => {
(self.create_auxiliary_browsing_context(name, noopener), true)
},
_ => {
// Step 6.
// TODO: expand the search to all 'familiar' bc,
// including auxiliaries familiar by way of their opener.
// See https://html.spec.whatwg.org/multipage/#familiar-with
match ScriptThread::find_window_proxy_by_name(&name) {
Some(proxy) => (Some(proxy), false),
None => (self.create_auxiliary_browsing_context(name, noopener), true)
}
}
}
}
pub fn discard_browsing_context(&self) {
self.discarded.set(true);
}
@ -220,6 +356,11 @@ impl WindowProxy {
self.frame_element.r()
}
pub fn document(&self) -> Option<DomRoot<Document>> {
self.currently_active.get()
.and_then(|id| ScriptThread::find_document(id))
}
pub fn parent(&self) -> Option<&WindowProxy> {
self.parent.r()
}