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LibWeb: Use relevant principal settings for HighResolutionTime

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Fixes a crash when setting the timestamps when creating a DOM event
within a ShadowRealm.
This commit is contained in:
Shannon Booth 2024-11-28 05:08:25 +13:00 committed by Andreas Kling
parent 6a668f27c7
commit 218ac86b67
Notes: github-actions[bot] 2024-11-30 11:07:10 +00:00 
Author: https://github.com/shannonbooth
Commit: https://github.com/LadybirdBrowser/ladybird/commit/218ac86b67e
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2631
3 changed files with 15 additions and 2 deletions
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8
Libraries/LibWeb/HighResolutionTime/TimeOrigin.cpp
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@ -59,10 +59,14 @@ DOMHighResTimeStamp current_high_resolution_time(JS::Object const& global)
}
// https://w3c.github.io/hr-time/#dfn-relative-high-resolution-time
// https://pr-preview.s3.amazonaws.com/w3c/hr-time/pull/168.html#dfn-relative-high-resolution-time
DOMHighResTimeStamp relative_high_resolution_time(DOMHighResTimeStamp time, JS::Object const& global)
{
// 1. Let coarse time be the result of calling coarsen time with time and global's relevant settings object's cross-origin isolated capability.
auto coarse_time = coarsen_time(time, HTML::relevant_settings_object(global).cross_origin_isolated_capability() == HTML::CanUseCrossOriginIsolatedAPIs::Yes);
// 1. Let settings be the global's relevant principal settings object.
auto& settings = HTML::relevant_principal_settings_object(global);
// 2. Let coarse time be the result of calling coarsen time with time and settings's cross-origin isolated capability.
auto coarse_time = coarsen_time(time, settings.cross_origin_isolated_capability() == HTML::CanUseCrossOriginIsolatedAPIs::Yes);
// 2. Return the relative high resolution coarse time for coarse time and global.
return relative_high_resolution_coarsen_time(coarse_time, global);

1
Tests/LibWeb/Text/expected/HTML/ShadowRealm-DOM-event.txt Normal file
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@ -0,0 +1 @@
My DOM Event

8
Tests/LibWeb/Text/input/HTML/ShadowRealm-DOM-event.html Normal file
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@ -0,0 +1,8 @@
<script src="../include.js"></script>
<script>
test(() => {
const shadowRealm = new ShadowRealm();
const result = shadowRealm.evaluate(`() => new Event("My DOM Event").type;`)();
println(result);
});
</script>