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script: Eliminate code duplication in the task queue (#34798)

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Instead of creating a type for each `TaskSource` variety have each `TaskSource`
hold the same kind of sender (this was inconsistent before, but each
sender was effectively the same trait object), a pipeline, and a
`TaskSourceName`. This elminates the need to reimplement the same
queuing code for every task source.

In addition, have workers hold their own `TaskManager`. This allows just
exposing the manager on the `GlobalScope`. Currently the `TaskCanceller`
is different, but this will also be eliminated in a followup change.

This is a the first step toward having a shared set of `Sender`s on
`GlobalScope`.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
This commit is contained in:
Martin Robinson 2025-01-01 14:50:52 +01:00 • committed by GitHub
parent deb819f233
commit 77cfca65c4
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67 changed files with 432 additions and 1200 deletions
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50
components/script/dom/workerglobalscope.rs
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@ -2,7 +2,7 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use std::cell::{RefCell, RefMut};
use std::cell::{OnceCell, RefCell, RefMut};
use std::default::Default;
use std::rc::Rc;
use std::sync::atomic::{AtomicBool, Ordering};
@ -44,7 +44,7 @@ use crate::dom::bindings::reflector::DomObject;
use crate::dom::bindings::root::{DomRoot, MutNullableDom};
use crate::dom::bindings::settings_stack::AutoEntryScript;
use crate::dom::bindings::str::{DOMString, USVString};
use crate::dom::bindings::trace::RootedTraceableBox;
use crate::dom::bindings::trace::{CustomTraceable, RootedTraceableBox};
use crate::dom::crypto::Crypto;
use crate::dom::dedicatedworkerglobalscope::DedicatedWorkerGlobalScope;
use crate::dom::globalscope::GlobalScope;
@ -60,14 +60,7 @@ use crate::fetch;
use crate::realms::{enter_realm, InRealm};
use crate::script_runtime::{CanGc, CommonScriptMsg, JSContext, Runtime, ScriptChan, ScriptPort};
use crate::task::TaskCanceller;
use crate::task_source::dom_manipulation::DOMManipulationTaskSource;
use crate::task_source::file_reading::FileReadingTaskSource;
use crate::task_source::networking::NetworkingTaskSource;
use crate::task_source::performance_timeline::PerformanceTimelineTaskSource;
use crate::task_source::port_message::PortMessageQueue;
use crate::task_source::remote_event::RemoteEventTaskSource;
use crate::task_source::timer::TimerTaskSource;
use crate::task_source::websocket::WebsocketTaskSource;
use crate::task_manager::TaskManager;
use crate::timers::{IsInterval, TimerCallback};
pub fn prepare_workerscope_init(
@ -135,6 +128,9 @@ pub struct WorkerGlobalScope {
/// Timers are handled in the service worker event loop.
#[no_trace]
timer_scheduler: RefCell<TimerScheduler>,
/// A [`TaskManager`] for this [`WorkerGlobalScope`].
task_manager: OnceCell<TaskManager>,
}
impl WorkerGlobalScope {
@ -189,6 +185,7 @@ impl WorkerGlobalScope {
navigation_start: CrossProcessInstant::now(),
performance: Default::default(),
timer_scheduler: RefCell::default(),
task_manager: Default::default(),
}
}
@ -510,36 +507,9 @@ impl WorkerGlobalScope {
}
}
pub fn dom_manipulation_task_source(&self) -> DOMManipulationTaskSource {
DOMManipulationTaskSource(self.script_chan(), self.pipeline_id())
}
pub fn file_reading_task_source(&self) -> FileReadingTaskSource {
FileReadingTaskSource(self.script_chan(), self.pipeline_id())
}
pub fn networking_task_source(&self) -> NetworkingTaskSource {
NetworkingTaskSource(self.script_chan(), self.pipeline_id())
}
pub fn performance_timeline_task_source(&self) -> PerformanceTimelineTaskSource {
PerformanceTimelineTaskSource(self.script_chan(), self.pipeline_id())
}
pub fn port_message_queue(&self) -> PortMessageQueue {
PortMessageQueue(self.script_chan(), self.pipeline_id())
}
pub fn timer_task_source(&self) -> TimerTaskSource {
TimerTaskSource(self.script_chan(), self.pipeline_id())
}
pub fn remote_event_task_source(&self) -> RemoteEventTaskSource {
RemoteEventTaskSource(self.script_chan(), self.pipeline_id())
}
pub fn websocket_task_source(&self) -> WebsocketTaskSource {
WebsocketTaskSource(self.script_chan(), self.pipeline_id())
pub(crate) fn task_manager(&self) -> &TaskManager {
self.task_manager
.get_or_init(|| TaskManager::new(self.script_chan(), self.pipeline_id()))
}
pub fn new_script_pair(&self) -> (Box<dyn ScriptChan + Send>, Box<dyn ScriptPort + Send>) {