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Stub out Trusted Types interfaces (#36355)

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Some methods are implemented fully, while others are implemented
partly. With these implementations, there are no observed crashes
when running the trusted-types web-platform-tests.

Most notably, the tests/wpt/tests/trusted-types/idlharness.window.js
is now fully passing.

Part of #36258

Signed-off-by: Tim van der Lippe <tvanderlippe@gmail.com>
This commit is contained in:
Tim van der Lippe 2025-04-05 15:08:56 +02:00 • committed by GitHub
parent 3f24b44e15
commit b87bf0b806
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145 changed files with 3377 additions and 559 deletions
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11
components/script/dom/workerglobalscope.rs
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@ -52,6 +52,7 @@ use crate::dom::dedicatedworkerglobalscope::DedicatedWorkerGlobalScope;
use crate::dom::globalscope::GlobalScope;
use crate::dom::performance::Performance;
use crate::dom::promise::Promise;
use crate::dom::trustedtypepolicyfactory::TrustedTypePolicyFactory;
#[cfg(feature = "webgpu")]
use crate::dom::webgpu::identityhub::IdentityHub;
use crate::dom::window::{base64_atob, base64_btoa};
@ -122,6 +123,7 @@ pub(crate) struct WorkerGlobalScope {
#[no_trace]
navigation_start: CrossProcessInstant,
performance: MutNullableDom<Performance>,
trusted_types: MutNullableDom<TrustedTypePolicyFactory>,
/// A [`TimerScheduler`] used to schedule timers for this [`WorkerGlobalScope`].
/// Timers are handled in the service worker event loop.
@ -184,6 +186,7 @@ impl WorkerGlobalScope {
performance: Default::default(),
timer_scheduler: RefCell::default(),
insecure_requests_policy,
trusted_types: Default::default(),
}
}
@ -477,6 +480,14 @@ impl WorkerGlobalScopeMethods<crate::DomTypeHolder> for WorkerGlobalScope {
self.upcast::<GlobalScope>()
.structured_clone(cx, value, options, retval)
}
/// <https://www.w3.org/TR/trusted-types/#dom-windoworworkerglobalscope-trustedtypes>
fn TrustedTypes(&self, can_gc: CanGc) -> DomRoot<TrustedTypePolicyFactory> {
self.trusted_types.or_init(|| {
let global_scope = self.upcast::<GlobalScope>();
TrustedTypePolicyFactory::new(global_scope, can_gc)
})
}
}
impl WorkerGlobalScope {