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Use task! to forward unhandled errors to worker objects

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This commit is contained in:
Anthony Ramine 2017-09-18 09:45:20 +02:00
parent c53d1e46b4
commit 1fa0e21e4b
4 changed files with 44 additions and 78 deletions
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48
components/script/dom/worker.rs
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@ -7,7 +7,7 @@ use dom::abstractworker::{SharedRt, SimpleWorkerErrorHandler};
use dom::abstractworker::WorkerScriptMsg;
use dom::bindings::codegen::Bindings::WorkerBinding;
use dom::bindings::codegen::Bindings::WorkerBinding::WorkerMethods;
use dom::bindings::error::{Error, ErrorResult, Fallible, ErrorInfo};
use dom::bindings::error::{Error, ErrorResult, Fallible};
use dom::bindings::inheritance::Castable;
use dom::bindings::js::Root;
use dom::bindings::refcounted::Trusted;
@ -15,15 +15,13 @@ use dom::bindings::reflector::{DomObject, reflect_dom_object};
use dom::bindings::str::DOMString;
use dom::bindings::structuredclone::StructuredCloneData;
use dom::dedicatedworkerglobalscope::DedicatedWorkerGlobalScope;
use dom::errorevent::ErrorEvent;
use dom::event::{Event, EventBubbles, EventCancelable, EventStatus};
use dom::eventtarget::EventTarget;
use dom::globalscope::GlobalScope;
use dom::messageevent::MessageEvent;
use dom::workerglobalscope::prepare_workerscope_init;
use dom_struct::dom_struct;
use ipc_channel::ipc;
use js::jsapi::{HandleValue, JSAutoCompartment, JSContext, NullHandleValue};
use js::jsapi::{HandleValue, JSAutoCompartment, JSContext};
use js::jsval::UndefinedValue;
use script_traits::WorkerScriptLoadOrigin;
use std::cell::Cell;
@ -139,27 +137,6 @@ impl Worker {
let worker = address.root();
worker.upcast().fire_event(atom!("error"));
}
#[allow(unsafe_code)]
fn dispatch_error(&self, error_info: ErrorInfo) {
let global = self.global();
let event = ErrorEvent::new(&global,
atom!("error"),
EventBubbles::DoesNotBubble,
EventCancelable::Cancelable,
error_info.message.as_str().into(),
error_info.filename.as_str().into(),
error_info.lineno,
error_info.column,
unsafe { NullHandleValue });
let event_status = event.upcast::<Event>().fire(self.upcast::<EventTarget>());
if event_status == EventStatus::Canceled {
return;
}
global.report_an_error(error_info, unsafe { NullHandleValue });
}
}
impl WorkerMethods for Worker {
@ -205,24 +182,3 @@ impl Task for SimpleWorkerErrorHandler<Worker> {
Worker::dispatch_simple_error(this.addr);
}
}
pub struct WorkerErrorHandler {
address: Trusted<Worker>,
error_info: ErrorInfo,
}
impl WorkerErrorHandler {
pub fn new(address: Trusted<Worker>, error_info: ErrorInfo) -> WorkerErrorHandler {
WorkerErrorHandler {
address: address,
error_info: error_info,
}
}
}
impl Task for WorkerErrorHandler {
fn run(self: Box<Self>) {
let this = *self;
this.address.root().dispatch_error(this.error_info);
}
}