ladybird/Libraries/LibWeb/HTML/Scripting/Agent.cpp
Andreas Kling ce263eaf78 LibWeb: Avoid dynamic_cast in relevant_agent()
There's only ever one kind of JS::VM::CustomData in play anyway.
2025-04-18 14:45:56 +02:00

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/*
* Copyright (c) 2025, Shannon Booth <shannon@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/MainThreadVM.h>
#include <LibWeb/HTML/Scripting/Agent.h>
#include <LibWeb/HTML/Scripting/Environments.h>
namespace Web::HTML {
// https://html.spec.whatwg.org/multipage/webappapis.html#relevant-agent
Agent& relevant_agent(JS::Object const& object)
{
// The relevant agent for a platform object platformObject is platformObject's relevant Realm's agent.
// Spec Note: This pointer is not yet defined in the JavaScript specification; see tc39/ecma262#1357.
return static_cast<Bindings::WebEngineCustomData*>(relevant_realm(object).vm().custom_data())->agent;
}
}