ladybird/Libraries/LibWeb/HTML/Scripting/SimilarOriginWindowAgent.h
2025-04-25 14:07:51 +02:00

55 lines
2.3 KiB
C++

/*
* Copyright (c) 2025, Shannon Booth <shannon@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/OwnPtr.h>
#include <AK/Vector.h>
#include <LibGC/Root.h>
#include <LibJS/Forward.h>
#include <LibJS/Runtime/Agent.h>
#include <LibWeb/DOM/MutationObserver.h>
#include <LibWeb/Forward.h>
#include <LibWeb/HTML/CustomElements/CustomElementReactionsStack.h>
#include <LibWeb/HTML/Scripting/Agent.h>
namespace Web::HTML {
// https://html.spec.whatwg.org/multipage/webappapis.html#similar-origin-window-agent
struct SimilarOriginWindowAgent : public Agent {
static NonnullOwnPtr<SimilarOriginWindowAgent> create(GC::Heap&);
// https://dom.spec.whatwg.org/#mutation-observer-compound-microtask-queued-flag
// Each similar-origin window agent has a mutation observer microtask queued (a boolean), which is initially false. [HTML]
bool mutation_observer_microtask_queued { false };
// https://dom.spec.whatwg.org/#mutation-observer-list
// Each similar-origin window agent also has pending mutation observers (a set of zero or more MutationObserver objects), which is initially empty.
DOM::MutationObserver::List mutation_observers;
// https://html.spec.whatwg.org/multipage/custom-elements.html#custom-element-reactions-stack
// Each similar-origin window agent has a custom element reactions stack, which is initially empty.
CustomElementReactionsStack custom_element_reactions_stack {};
// https://dom.spec.whatwg.org/#signal-slot-list
// Each similar-origin window agent has signal slots (a set of slots), which is initially empty. [HTML]
Vector<GC::Root<HTML::HTMLSlotElement>> signal_slots;
// https://html.spec.whatwg.org/multipage/custom-elements.html#current-element-queue
// A similar-origin window agent's current element queue is the element queue at the top of its custom element reactions stack.
Vector<GC::Root<DOM::Element>>& current_element_queue() { return custom_element_reactions_stack.element_queue_stack.last(); }
Vector<GC::Root<DOM::Element>> const& current_element_queue() const { return custom_element_reactions_stack.element_queue_stack.last(); }
private:
explicit SimilarOriginWindowAgent(CanBlock can_block)
: Agent(can_block)
{
}
};
SimilarOriginWindowAgent& relevant_similar_origin_window_agent(JS::Object const&);
}