35 lines
1 KiB
C++
35 lines
1 KiB
C++
/*
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* Copyright (c) 2021, Tim Flynn <trflynn89@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/NonnullRefPtr.h>
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#include <AK/RefCounted.h>
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#include <LibWeb/Bindings/Wrappable.h>
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namespace Web::IntersectionObserver {
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struct IntersectionObserverInit {
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Optional<Variant<NonnullRefPtr<DOM::Element>, NonnullRefPtr<DOM::Document>>> root;
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String root_margin { "0px"sv };
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Variant<double, Vector<double>> threshold { 0 };
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};
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// https://w3c.github.io/IntersectionObserver/#intersection-observer-interface
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class IntersectionObserver
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: public RefCounted<IntersectionObserver>
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, public Bindings::Wrappable {
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public:
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using WrapperType = Bindings::IntersectionObserverWrapper;
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static NonnullRefPtr<IntersectionObserver> create_with_global_object(JS::GlobalObject&, Bindings::CallbackType const& callback, IntersectionObserverInit const& options = {});
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void observe(DOM::Element& target);
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void unobserve(DOM::Element& target);
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void disconnect();
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};
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}
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