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e124ef52ee
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.
53 lines
2.1 KiB
C++
53 lines
2.1 KiB
C++
/*
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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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#pragma once
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#include <AK/OwnPtr.h>
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#include <AK/Vector.h>
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#include <LibGC/Root.h>
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#include <LibJS/Forward.h>
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#include <LibJS/Runtime/Agent.h>
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#include <LibWeb/DOM/MutationObserver.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/HTML/CustomElements/CustomElementReactionsStack.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/webappapis.html#similar-origin-window-agent
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struct Agent : public JS::Agent {
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GC::Root<HTML::EventLoop> event_loop;
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// FIXME: These should only be on similar-origin window agents, but we don't currently differentiate agent types.
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// https://dom.spec.whatwg.org/#mutation-observer-compound-microtask-queued-flag
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bool mutation_observer_microtask_queued { false };
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// https://dom.spec.whatwg.org/#mutation-observer-list
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DOM::MutationObserver::List mutation_observers;
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// https://html.spec.whatwg.org/multipage/custom-elements.html#custom-element-reactions-stack
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// Each similar-origin window agent has a custom element reactions stack, which is initially empty.
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CustomElementReactionsStack custom_element_reactions_stack {};
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// https://dom.spec.whatwg.org/#signal-slot-list
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// Each similar-origin window agent has signal slots (a set of slots), which is initially empty. [HTML]
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Vector<GC::Root<HTML::HTMLSlotElement>> signal_slots;
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// https://html.spec.whatwg.org/multipage/custom-elements.html#current-element-queue
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// A similar-origin window agent's current element queue is the element queue at the top of its custom element reactions stack.
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Vector<GC::Root<DOM::Element>>& current_element_queue() { return custom_element_reactions_stack.element_queue_stack.last(); }
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Vector<GC::Root<DOM::Element>> const& current_element_queue() const { return custom_element_reactions_stack.element_queue_stack.last(); }
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// [[CanBlock]]
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virtual bool can_block() const override;
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virtual void spin_event_loop_until(GC::Root<GC::Function<bool()>> goal_condition) override;
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};
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Agent& relevant_agent(JS::Object const&);
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}
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