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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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5
components/script/dom/subtlecrypto.rs
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@ -54,7 +54,6 @@ use crate::dom::workerglobalscope::WorkerGlobalScope;
use crate::realms::InRealm;
use crate::script_runtime::{CanGc, JSContext};
use crate::task::TaskCanceller;
use crate::task_source::dom_manipulation::DOMManipulationTaskSource;
use crate::task_source::TaskSource;
// String constants for algorithms/curves
@ -142,13 +141,13 @@ impl SubtleCrypto {
)
}
fn task_source_with_canceller(&self) -> (DOMManipulationTaskSource, TaskCanceller) {
fn task_source_with_canceller(&self) -> (TaskSource, TaskCanceller) {
if let Some(window) = self.global().downcast::<Window>() {
window
.task_manager()
.dom_manipulation_task_source_with_canceller()
} else if let Some(worker_global) = self.global().downcast::<WorkerGlobalScope>() {
let task_source = worker_global.dom_manipulation_task_source();
let task_source = worker_global.task_manager().dom_manipulation_task_source();
let canceller = worker_global.task_canceller();
(task_source, canceller)
} else {