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serenity/Userland/Libraries/LibWeb/IntersectionObserver/IntersectionObserver.h
Linus Groh 4f73851afc LibWeb: Move CallbackType from Bindings/ to WebIDL/
Let's stop putting generic types and AOs from the Web IDL spec into
the Bindings namespace and directory in LibWeb, and instead follow our
usual naming rules of 'directory = namespace = spec name'. The IDL
namespace is already used by LibIDL, so Web::WebIDL seems like a good
choice.
2022-09-24 19:31:39 +01:00

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C++

/*
* 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;
String 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 JS::NonnullGCPtr<IntersectionObserver> create_with_global_object(HTML::Window&, WebIDL::CallbackType* callback, IntersectionObserverInit const& options = {});
virtual ~IntersectionObserver() override;
void observe(DOM::Element& target);
void unobserve(DOM::Element& target);
void disconnect();
private:
explicit IntersectionObserver(HTML::Window&);
};
}