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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.
		
			
				
	
	
		
			28 lines
		
	
	
	
		
			702 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			28 lines
		
	
	
	
		
			702 B
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
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|  * Copyright (c) 2025, Shannon Booth <shannon@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #include <LibJS/Runtime/Agent.h>
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| #include <LibJS/Runtime/VM.h>
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| 
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| namespace JS {
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| 
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| Agent::~Agent() = default;
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| 
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| // 9.7.2 AgentCanSuspend ( ), https://tc39.es/ecma262/#sec-agentcansuspend
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| bool agent_can_suspend(VM const& vm)
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| {
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|     // 1. Let AR be the Agent Record of the surrounding agent.
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|     auto const* agent = vm.agent();
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| 
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|     // 2. Return AR.[[CanBlock]].
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|     // NOTE: We default to true if no agent has been provided (standalone LibJS with no embedder).
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|     if (!agent)
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|         return true;
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|     return agent->can_block();
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| }
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| 
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| }
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