ladybird/Userland/Libraries/LibWeb/DOM/DocumentObserver.h
Aliaksandr Kalenik cad2d2c85b LibWeb: Use JS::HeapFunction for DocumentObserver callbacks
If GC-allocated object wants to own a function it should use
HeapFunction because using SafeFunction will almost always lead to a
leak.
2023-09-27 19:39:57 +02:00

38 lines
1.2 KiB
C++

/*
* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Forward.h>
#include <LibJS/Heap/HeapFunction.h>
#include <LibJS/SafeFunction.h>
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/Forward.h>
namespace Web::DOM {
class DocumentObserver final : public Bindings::PlatformObject {
WEB_PLATFORM_OBJECT(DocumentObserver, Bindings::PlatformObject);
public:
[[nodiscard]] JS::GCPtr<JS::HeapFunction<void()>> document_became_inactive() const { return m_document_became_inactive; }
void set_document_became_inactive(Function<void()>);
[[nodiscard]] JS::GCPtr<JS::HeapFunction<void()>> document_completely_loaded() const { return m_document_completely_loaded; }
void set_document_completely_loaded(Function<void()>);
private:
explicit DocumentObserver(JS::Realm&, DOM::Document&);
virtual void visit_edges(Cell::Visitor&) override;
virtual void finalize() override;
JS::NonnullGCPtr<DOM::Document> m_document;
JS::GCPtr<JS::HeapFunction<void()>> m_document_became_inactive;
JS::GCPtr<JS::HeapFunction<void()>> m_document_completely_loaded;
};
}