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LibWeb: Split out SimilarOriginWindowAgent from HTML::Agent

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To allow for adding the concept of a WorkerAgent to be reused
between shared and dedicated workers. An event loop is the
commonality between the different agent types, though, there
are some differences between those event loops which we customize
on the construction of the HTML::EventLoop.
This commit is contained in:
Shannon Booth 2025-04-24 15:04:13 +12:00 • committed by Andreas Kling
commit 084cceab5c
Notes: github-actions[bot] 2025-04-25 14:45:55 +00:00
11 changed files with 103 additions and 54 deletions
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6
Libraries/LibWeb/Bindings/MainThreadVM.cpp
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@ -31,13 +31,13 @@
#include <LibWeb/HTML/HTMLSlotElement.h>
#include <LibWeb/HTML/Location.h>
#include <LibWeb/HTML/PromiseRejectionEvent.h>
#include <LibWeb/HTML/Scripting/Agent.h>
#include <LibWeb/HTML/Scripting/ClassicScript.h>
#include <LibWeb/HTML/Scripting/Environments.h>
#include <LibWeb/HTML/Scripting/ExceptionReporter.h>
#include <LibWeb/HTML/Scripting/Fetching.h>
#include <LibWeb/HTML/Scripting/ModuleScript.h>
#include <LibWeb/HTML/Scripting/Script.h>
#include <LibWeb/HTML/Scripting/SimilarOriginWindowAgent.h>
#include <LibWeb/HTML/Scripting/SyntheticRealmSettings.h>
#include <LibWeb/HTML/Scripting/TemporaryExecutionContext.h>
#include <LibWeb/HTML/ShadowRealmGlobalScope.h>
@ -76,7 +76,7 @@ ErrorOr<void> initialize_main_thread_vm(HTML::EventLoop::Type type)
{
VERIFY(!s_main_thread_vm);
s_main_thread_vm = TRY(JS::VM::create(make<HTML::Agent>()));
s_main_thread_vm = TRY(JS::VM::create(make<HTML::SimilarOriginWindowAgent>()));
auto& agent = as<HTML::Agent>(*s_main_thread_vm->agent());
agent.event_loop = s_main_thread_vm->heap().allocate<HTML::EventLoop>(type);
@ -659,7 +659,7 @@ JS::VM& main_thread_vm()
void queue_mutation_observer_microtask(DOM::Document const& document)
{
auto& vm = main_thread_vm();
auto& surrounding_agent = as<HTML::Agent>(*vm.agent());
auto& surrounding_agent = as<HTML::SimilarOriginWindowAgent>(*vm.agent());
// 1. If the surrounding agent’s mutation observer microtask queued is true, then return.
if (surrounding_agent.mutation_observer_microtask_queued)