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LibWeb: Add spec comments to WorkerEnvironmentSettingsObject::setup()
No behavior change.
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sideshowbarker
2024-07-16 23:51:07 +09:00
Author: https://github.com/tcl3 Commit: https://github.com/SerenityOS/serenity/commit/2d487ee5ab Pull-request: https://github.com/SerenityOS/serenity/pull/24423 Reviewed-by: https://github.com/alimpfard
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@ -1,5 +1,6 @@
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/*
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* Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
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* Copyright (c) 2024, Tim Ledbetter <timledbetter@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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@ -11,16 +12,28 @@ namespace Web::HTML {
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JS_DEFINE_ALLOCATOR(WorkerEnvironmentSettingsObject);
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// https://html.spec.whatwg.org/multipage/workers.html#set-up-a-worker-environment-settings-object
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JS::NonnullGCPtr<WorkerEnvironmentSettingsObject> WorkerEnvironmentSettingsObject::setup(JS::NonnullGCPtr<Page> page, NonnullOwnPtr<JS::ExecutionContext> execution_context /* FIXME: null or an environment reservedEnvironment, a URL topLevelCreationURL, and an origin topLevelOrigin */)
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{
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// 1. FIXME: Let inherited origin be outside settings's origin.
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// 2. Let realm be the value of execution context's Realm component.
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auto realm = execution_context->realm;
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VERIFY(realm);
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// 3. Let worker global scope be realm's global object.
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auto& worker = verify_cast<HTML::WorkerGlobalScope>(realm->global_object());
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// 4. Let settings object be a new environment settings object whose algorithms are defined as follows:
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// NOTE: See the functions defined for this class.
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auto settings_object = realm->heap().allocate<WorkerEnvironmentSettingsObject>(*realm, move(execution_context), worker);
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settings_object->target_browsing_context = nullptr;
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// FIXME: 5. Set settings object's id to a new unique opaque string, creation URL to worker global scope's url, top-level creation URL to null, target browsing context to null, and active service worker to null.
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// FIXME: 6. If worker global scope is a DedicatedWorkerGlobalScope object, then set settings object's top-level origin to outside settings's top-level origin.
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// FIXME: 7. Otherwise, set settings object's top-level origin to an implementation-defined value.
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// 8. Set realm's [[HostDefined]] field to settings object.
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auto intrinsics = realm->heap().allocate<Bindings::Intrinsics>(*realm, *realm);
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auto host_defined = make<Bindings::HostDefined>(settings_object, intrinsics, page);
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realm->set_host_defined(move(host_defined));
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@ -29,6 +42,7 @@ JS::NonnullGCPtr<WorkerEnvironmentSettingsObject> WorkerEnvironmentSettingsObjec
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// the realm's [[HostDefined]] internal slot as the internal slot contains the web platform intrinsics
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worker.initialize_web_interfaces({});
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// 9. Return settings object.
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return settings_object;
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}
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