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implement related sw interface and register method
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parent
0594d58bc8
commit
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33 changed files with 1285 additions and 217 deletions
172
components/script/dom/serviceworker.rs
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172
components/script/dom/serviceworker.rs
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use dom::abstractworker::{SimpleWorkerErrorHandler, WorkerErrorHandler};
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use dom::abstractworker::{WorkerScriptMsg, WorkerScriptLoadOrigin, SharedRt};
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use dom::bindings::cell::DOMRefCell;
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use dom::bindings::codegen::Bindings::EventHandlerBinding::EventHandlerNonNull;
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use dom::bindings::codegen::Bindings::ServiceWorkerBinding::{ServiceWorkerMethods, ServiceWorkerState, Wrap};
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use dom::bindings::global::GlobalRef;
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use dom::bindings::inheritance::Castable;
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use dom::bindings::js::Root;
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use dom::bindings::refcounted::Trusted;
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use dom::bindings::reflector::{Reflectable, reflect_dom_object};
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use dom::bindings::str::{DOMString, USVString};
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use dom::client::Client;
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use dom::errorevent::ErrorEvent;
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use dom::event::{Event, EventBubbles, EventCancelable};
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use dom::eventtarget::EventTarget;
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use dom::serviceworkerglobalscope::ServiceWorkerGlobalScope;
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use dom::workerglobalscope::prepare_workerscope_init;
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use ipc_channel::ipc;
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use js::jsapi::RootedValue;
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use js::jsval::UndefinedValue;
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use script_thread::Runnable;
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use std::cell::Cell;
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use std::sync::atomic::{AtomicBool, Ordering};
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use std::sync::mpsc::{Sender, channel};
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use std::sync::{Arc, Mutex};
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use url::Url;
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pub type TrustedServiceWorkerAddress = Trusted<ServiceWorker>;
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#[dom_struct]
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pub struct ServiceWorker {
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eventtarget: EventTarget,
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script_url: DOMRefCell<String>,
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state: Cell<ServiceWorkerState>,
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closing: Arc<AtomicBool>,
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#[ignore_heap_size_of = "Defined in std"]
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sender: Sender<(TrustedServiceWorkerAddress, WorkerScriptMsg)>,
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#[ignore_heap_size_of = "Defined in rust-mozjs"]
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runtime: Arc<Mutex<Option<SharedRt>>>,
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skip_waiting: Cell<bool>
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}
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impl ServiceWorker {
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fn new_inherited(sender: Sender<(TrustedServiceWorkerAddress, WorkerScriptMsg)>,
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closing: Arc<AtomicBool>,
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script_url: &str,
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skip_waiting: bool) -> ServiceWorker {
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ServiceWorker {
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eventtarget: EventTarget::new_inherited(),
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closing: closing,
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sender: sender,
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script_url: DOMRefCell::new(String::from(script_url)),
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state: Cell::new(ServiceWorkerState::Installing),
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runtime: Arc::new(Mutex::new(None)),
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skip_waiting: Cell::new(skip_waiting)
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}
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}
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pub fn new(global: GlobalRef,
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closing: Arc<AtomicBool>,
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sender: Sender<(TrustedServiceWorkerAddress, WorkerScriptMsg)>,
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script_url: &str,
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skip_waiting: bool) -> Root<ServiceWorker> {
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reflect_dom_object(box ServiceWorker::new_inherited(sender, closing, script_url, skip_waiting), global, Wrap)
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}
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pub fn dispatch_simple_error(address: TrustedServiceWorkerAddress) {
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let service_worker = address.root();
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service_worker.upcast().fire_simple_event("error");
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}
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pub fn is_closing(&self) -> bool {
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self.closing.load(Ordering::SeqCst)
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}
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pub fn set_transition_state(&self, state: ServiceWorkerState) {
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self.state.set(state);
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self.upcast::<EventTarget>().fire_simple_event("statechange");
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}
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pub fn handle_error_message(address: TrustedServiceWorkerAddress, message: DOMString,
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filename: DOMString, lineno: u32, colno: u32) {
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let worker = address.root();
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if worker.is_closing() {
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return;
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}
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let global = worker.r().global();
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let error = RootedValue::new(global.r().get_cx(), UndefinedValue());
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let errorevent = ErrorEvent::new(global.r(), atom!("error"),
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EventBubbles::Bubbles, EventCancelable::Cancelable,
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message, filename, lineno, colno, error.handle());
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errorevent.upcast::<Event>().fire(worker.upcast());
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}
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#[allow(unsafe_code)]
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pub fn init_service_worker(global: GlobalRef,
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script_url: Url,
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skip_waiting: bool) -> Root<ServiceWorker> {
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let (sender, receiver) = channel();
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let closing = Arc::new(AtomicBool::new(false));
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let worker = ServiceWorker::new(global,
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closing.clone(),
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sender.clone(),
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script_url.as_str(),
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skip_waiting);
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let worker_ref = Trusted::new(worker.r());
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let worker_load_origin = WorkerScriptLoadOrigin {
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referrer_url: None,
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referrer_policy: None,
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request_source: global.request_source(),
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pipeline_id: Some(global.pipeline())
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};
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let (devtools_sender, devtools_receiver) = ipc::channel().unwrap();
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let init = prepare_workerscope_init(global,
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"Service Worker".to_owned(),
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script_url.clone(),
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devtools_sender.clone(),
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closing);
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// represents a service worker client
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let sw_client = Client::new(global.as_window());
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let trusted_client = Trusted::new(&*sw_client);
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ServiceWorkerGlobalScope::run_serviceworker_scope(
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init, script_url, global.pipeline(), devtools_receiver, worker.runtime.clone(), worker_ref,
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global.script_chan(), sender, receiver, trusted_client, worker_load_origin);
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worker
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}
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}
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impl ServiceWorkerMethods for ServiceWorker {
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// https://slightlyoff.github.io/ServiceWorker/spec/service_worker/#service-worker-state-attribute
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fn State(&self) -> ServiceWorkerState {
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self.state.get()
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}
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// https://slightlyoff.github.io/ServiceWorker/spec/service_worker/#service-worker-url-attribute
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fn ScriptURL(&self) -> USVString {
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USVString(self.script_url.borrow().clone())
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}
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// https://slightlyoff.github.io/ServiceWorker/spec/service_worker/#service-worker-container-onerror-attribute
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event_handler!(error, GetOnerror, SetOnerror);
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// https://slightlyoff.github.io/ServiceWorker/spec/service_worker/#ref-for-service-worker-onstatechange-attribute-1
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event_handler!(statechange, GetOnstatechange, SetOnstatechange);
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}
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impl Runnable for SimpleWorkerErrorHandler<ServiceWorker> {
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#[allow(unrooted_must_root)]
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fn handler(self: Box<SimpleWorkerErrorHandler<ServiceWorker>>) {
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let this = *self;
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ServiceWorker::dispatch_simple_error(this.addr);
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}
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}
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impl Runnable for WorkerErrorHandler<ServiceWorker> {
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#[allow(unrooted_must_root)]
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fn handler(self: Box<WorkerErrorHandler<ServiceWorker>>) {
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let this = *self;
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ServiceWorker::handle_error_message(this.addr, this.msg, this.file_name, this.line_num, this.col_num);
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}
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}
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