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in BC event-loop, only run tasks related to fully-active documents

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This commit is contained in:
Gregory Terzian 2019-02-01 20:35:45 +08:00
parent 6b648429f5
commit ecfb9c639a
9 changed files with 219 additions and 14 deletions
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15
components/script/dom/dedicatedworkerglobalscope.rs
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@ -35,7 +35,7 @@ use js::jsapi::JS_AddInterruptCallback;
use js::jsapi::{JSAutoCompartment, JSContext};
use js::jsval::UndefinedValue;
use js::rust::HandleValue;
use msg::constellation_msg::TopLevelBrowsingContextId;
use msg::constellation_msg::{PipelineId, TopLevelBrowsingContextId};
use net_traits::request::{CredentialsMode, Destination, RequestInit};
use net_traits::{load_whole_resource, IpcSend};
use script_traits::{TimerEvent, TimerSource, WorkerGlobalScopeInit, WorkerScriptLoadOrigin};
@ -101,10 +101,16 @@ impl QueuedTaskConversion for DedicatedWorkerScriptMsg {
CommonScriptMsg::Task(_category, _boxed, _pipeline_id, source_name) => {
Some(&source_name)
},
_ => return None,
_ => None,
}
}
fn pipeline_id(&self) -> Option<PipelineId> {
// Workers always return None, since the pipeline_id is only used to check for document activity,
// and this check does not apply to worker event-loops.
None
}
fn into_queued_task(self) -> Option<QueuedTask> {
let (worker, common_worker_msg) = match self {
DedicatedWorkerScriptMsg::CommonWorker(worker, common_worker_msg) => {
@ -131,6 +137,11 @@ impl QueuedTaskConversion for DedicatedWorkerScriptMsg {
DedicatedWorkerScriptMsg::CommonWorker(worker.unwrap(), WorkerScriptMsg::Common(script_msg))
}
fn inactive_msg() -> Self {
// Inactive is only relevant in the context of a browsing-context event-loop.
panic!("Workers should never receive messages marked as inactive");
}
fn wake_up_msg() -> Self {
DedicatedWorkerScriptMsg::WakeUp
}