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Make Performance Timeline API work in Workers

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This commit is contained in:
Fernando Jiménez Moreno 2017-08-30 17:52:18 +02:00
parent 449ffb23ac
commit fb843c251a
20 changed files with 146 additions and 128 deletions
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22
components/script/dom/workerglobalscope.rs
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@ -17,6 +17,7 @@ use dom::bindings::trace::RootedTraceableBox;
use dom::crypto::Crypto;
use dom::dedicatedworkerglobalscope::DedicatedWorkerGlobalScope;
use dom::globalscope::GlobalScope;
use dom::performance::Performance;
use dom::promise::Promise;
use dom::serviceworkerglobalscope::ServiceWorkerGlobalScope;
use dom::window::{base64_atob, base64_btoa};
@ -44,6 +45,8 @@ use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::mpsc::Receiver;
use task_source::file_reading::FileReadingTaskSource;
use task_source::networking::NetworkingTaskSource;
use task_source::performance_timeline::PerformanceTimelineTaskSource;
use time::precise_time_ns;
use timers::{IsInterval, TimerCallback};
pub fn prepare_workerscope_init(global: &GlobalScope,
@ -89,6 +92,9 @@ pub struct WorkerGlobalScope {
from_devtools_receiver: Receiver<DevtoolScriptControlMsg>,
microtask_queue: MicrotaskQueue,
navigation_start_precise: f64,
performance: MutNullableJS<Performance>,
}
impl WorkerGlobalScope {
@ -120,6 +126,8 @@ impl WorkerGlobalScope {
from_devtools_sender: init.from_devtools_sender,
from_devtools_receiver: from_devtools_receiver,
microtask_queue: MicrotaskQueue::default(),
navigation_start_precise: precise_time_ns() as f64,
performance: Default::default(),
}
}
@ -320,6 +328,16 @@ impl WorkerGlobalScopeMethods for WorkerGlobalScope {
fn Fetch(&self, input: RequestOrUSVString, init: RootedTraceableBox<RequestInit>) -> Rc<Promise> {
fetch::Fetch(self.upcast(), input, init)
}
// https://w3c.github.io/hr-time/#the-performance-attribute
fn Performance(&self) -> Root<Performance> {
self.performance.or_init(|| {
let global_scope = self.upcast::<GlobalScope>();
Performance::new(global_scope,
0 /* navigation start is not used in workers */,
self.navigation_start_precise)
})
}
}
@ -368,6 +386,10 @@ impl WorkerGlobalScope {
NetworkingTaskSource(self.script_chan())
}
pub fn performance_timeline_task_source(&self) -> PerformanceTimelineTaskSource {
PerformanceTimelineTaskSource(self.script_chan())
}
pub fn new_script_pair(&self) -> (Box<ScriptChan + Send>, Box<ScriptPort + Send>) {
let dedicated = self.downcast::<DedicatedWorkerGlobalScope>();
if let Some(dedicated) = dedicated {