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/* 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::bindings::codegen::Bindings::WorkerBinding;
use dom::bindings::error::{Fallible, Syntax};
use dom::bindings::global::GlobalRef;
use dom::bindings::js::{Temporary, RootCollection};
use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
use dom::dedicatedworkerglobalscope::DedicatedWorkerGlobalScope;
use dom::eventtarget::{EventTarget, WorkerTypeId};
use script_task::StackRootTLS;
use servo_net::resource_task::load_whole_resource;
use servo_util::str::DOMString;
use servo_util::url::try_parse_url;
use std::task::TaskBuilder;
#[deriving(Encodable)]
pub struct Worker {
eventtarget: EventTarget,
}
impl Worker {
pub fn new_inherited() -> Worker {
Worker {
eventtarget: EventTarget::new_inherited(WorkerTypeId),
}
}
pub fn new(global: &GlobalRef) -> Temporary<Worker> {
reflect_dom_object(box Worker::new_inherited(),
global,
WorkerBinding::Wrap)
}
pub fn Constructor(global: &GlobalRef, scriptURL: DOMString) -> Fallible<Temporary<Worker>> {
// Step 2-4.
let worker_url = match try_parse_url(scriptURL.as_slice(), Some(global.get_url())) {
Ok(url) => url,
Err(_) => return Err(Syntax),
};
let name = format!("Web Worker at {}", worker_url);
let resource_task = global.page().resource_task.deref().clone();
TaskBuilder::new().named(name).spawn(proc() {
let roots = RootCollection::new();
let _stack_roots_tls = StackRootTLS::new(&roots);
let (filename, source) = match load_whole_resource(&resource_task, worker_url.clone()) {
Err(_) => {
println!("error loading script {}", worker_url);
return;
}
Ok((metadata, bytes)) => {
(metadata.final_url, String::from_utf8(bytes).unwrap())
}
};
let global = DedicatedWorkerGlobalScope::init().root();
match global.get_rust_cx().evaluate_script(
global.reflector().get_jsobject(), source, filename.to_str(), 1) {
Ok(_) => (),
Err(_) => println!("evaluate_script failed")
}
});
Ok(Worker::new(global))
}
}
pub trait WorkerMethods {
}
impl Reflectable for Worker {
fn reflector<'a>(&'a self) -> &'a Reflector {
self.eventtarget.reflector()
}
}
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