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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>
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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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components/script/dom/document.rs
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@ -192,7 +192,7 @@ use crate::script_runtime::{CanGc, CommonScriptMsg, ScriptThreadEventCategory};
use crate::script_thread::{with_script_thread, ScriptThread};
use crate::stylesheet_set::StylesheetSetRef;
use crate::task::TaskBox;
use crate::task_source::{TaskSource, TaskSourceName};
use crate::task_source::TaskSourceName;
use crate::timers::OneshotTimerCallback;
/// The number of times we are allowed to see spurious `requestAnimationFrame()` calls before