ladybird/Libraries/LibWeb/CSS/VisualViewport.h

50 lines
1.3 KiB
C++

/*
* Copyright (c) 2023, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/DOM/EventTarget.h>
namespace Web::CSS {
// https://drafts.csswg.org/cssom-view/#visualviewport
class VisualViewport final : public DOM::EventTarget {
WEB_PLATFORM_OBJECT(VisualViewport, DOM::EventTarget);
JS_DECLARE_ALLOCATOR(VisualViewport);
public:
[[nodiscard]] static JS::NonnullGCPtr<VisualViewport> create(DOM::Document&);
virtual ~VisualViewport() override = default;
[[nodiscard]] double offset_left() const;
[[nodiscard]] double offset_top() const;
[[nodiscard]] double page_left() const;
[[nodiscard]] double page_top() const;
[[nodiscard]] double width() const;
[[nodiscard]] double height() const;
[[nodiscard]] double scale() const;
void set_onresize(WebIDL::CallbackType*);
WebIDL::CallbackType* onresize();
void set_onscroll(WebIDL::CallbackType*);
WebIDL::CallbackType* onscroll();
void set_onscrollend(WebIDL::CallbackType*);
WebIDL::CallbackType* onscrollend();
private:
explicit VisualViewport(DOM::Document&);
virtual void initialize(JS::Realm&) override;
virtual void visit_edges(Cell::Visitor&) override;
JS::NonnullGCPtr<DOM::Document> m_document;
};
}