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https://github.com/RGBCube/serenity
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72c9f56c66
Stop worrying about tiny OOMs. Work towards #20449. While going through these, I also changed the function signature in many places where returning ThrowCompletionOr<T> is no longer necessary.
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
/*
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* Copyright (c) 2023, Andreas Kling <kling@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 <LibWeb/DOM/EventTarget.h>
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namespace Web::CSS {
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// https://drafts.csswg.org/cssom-view/#visualviewport
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class VisualViewport final : public DOM::EventTarget {
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WEB_PLATFORM_OBJECT(VisualViewport, DOM::EventTarget);
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public:
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[[nodiscard]] static JS::NonnullGCPtr<VisualViewport> create(DOM::Document&);
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virtual ~VisualViewport() override = default;
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[[nodiscard]] double offset_left() const;
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[[nodiscard]] double offset_top() const;
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[[nodiscard]] double page_left() const;
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[[nodiscard]] double page_top() const;
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[[nodiscard]] double width() const;
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[[nodiscard]] double height() const;
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[[nodiscard]] double scale() const;
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void set_onresize(WebIDL::CallbackType*);
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WebIDL::CallbackType* onresize();
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void set_onscroll(WebIDL::CallbackType*);
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WebIDL::CallbackType* onscroll();
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void set_onscrollend(WebIDL::CallbackType*);
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WebIDL::CallbackType* onscrollend();
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private:
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explicit VisualViewport(DOM::Document&);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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JS::NonnullGCPtr<DOM::Document> m_document;
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};
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}
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