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LibJS+LibWeb: Set [[CanBlock]] false to Agent for window agent

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similar-origin window agents have the [[CanBlock]] flag set to false.
Achieve this by hooking up JS's concept with an agent to HTML::Agent.
For now, this is only hooked up to the similar-origin window agent
case but should be extended to the other agent types in the future.
This commit is contained in:
Shannon Booth 2025-04-20 16:49:34 +12:00 • committed by Tim Flynn
commit e124ef52ee
Notes: github-actions[bot] 2025-04-22 15:52:53 +00:00
16 changed files with 106 additions and 44 deletions
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18
Libraries/LibJS/Runtime/Agent.h
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@ -1,13 +1,29 @@
/*
* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
* Copyright (c) 2025, Shannon Booth <shannon@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGC/Function.h>
#include <LibGC/Root.h>
#include <LibJS/Forward.h>
namespace JS {
bool agent_can_suspend();
// https://tc39.es/ecma262/#sec-agents
class Agent {
public:
virtual ~Agent();
// [[CanBlock]]
virtual bool can_block() const = 0;
virtual void spin_event_loop_until(GC::Root<GC::Function<bool()>> goal_condition) = 0;
};
bool agent_can_suspend(VM const&);
}