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- /*
- * Copyright (c) 2021, Tim Flynn <trflynn89@serenityos.org>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
- #pragma once
- #include <LibJS/Heap/Handle.h>
- #include <LibWeb/Bindings/PlatformObject.h>
- namespace Web::IntersectionObserver {
- struct IntersectionObserverInit {
- Optional<Variant<JS::Handle<DOM::Element>, JS::Handle<DOM::Document>>> root;
- DeprecatedString root_margin { "0px"sv };
- Variant<double, Vector<double>> threshold { 0 };
- };
- // https://w3c.github.io/IntersectionObserver/#intersection-observer-interface
- class IntersectionObserver : public Bindings::PlatformObject {
- WEB_PLATFORM_OBJECT(IntersectionObserver, Bindings::PlatformObject);
- public:
- static WebIDL::ExceptionOr<JS::NonnullGCPtr<IntersectionObserver>> construct_impl(JS::Realm&, WebIDL::CallbackType* callback, IntersectionObserverInit const& options = {});
- virtual ~IntersectionObserver() override;
- void observe(DOM::Element& target);
- void unobserve(DOM::Element& target);
- void disconnect();
- private:
- explicit IntersectionObserver(JS::Realm&);
- virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
- };
- }
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