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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/htmlscriptelement.rs
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@ -67,7 +67,6 @@ use crate::script_module::{
};
use crate::script_runtime::CanGc;
use crate::task::TaskCanceller;
use crate::task_source::dom_manipulation::DOMManipulationTaskSource;
use crate::task_source::{TaskSource, TaskSourceName};
use crate::unminify::{unminify_js, ScriptSource};
@ -104,7 +103,7 @@ impl ScriptSource for ScriptOrigin {
script_kind: ExternalScriptKind,
final_url: ServoUrl,
url: ServoUrl,
task_source: DOMManipulationTaskSource,
task_source: TaskSource,
canceller: TaskCanceller,
script_text: String,
fetch_options: ScriptFetchOptions,
@ -478,7 +477,7 @@ impl FetchResponseListener for ClassicContext {
script_kind: self.kind,
final_url,
url: self.url.clone(),
task_source: global.dom_manipulation_task_source(),
task_source: global.task_manager().dom_manipulation_task_source(),
canceller: global.task_canceller(TaskSourceName::DOMManipulation),
script_text: source_string,
fetch_options: self.fetch_options.clone(),