mirror of
https://github.com/RGBCube/serenity
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82 lines
3.7 KiB
C++
82 lines
3.7 KiB
C++
/*
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* Copyright (c) 2023, Luke Wilde <lukew@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/Bindings/PlatformObject.h>
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#include <LibWeb/Geometry/DOMRect.h>
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#include <LibWeb/HighResolutionTime/DOMHighResTimeStamp.h>
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namespace Web::IntersectionObserver {
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struct IntersectionObserverEntryInit {
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// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-time
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HighResolutionTime::DOMHighResTimeStamp time { 0.0 };
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// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-rootbounds
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Optional<Geometry::DOMRectInit> root_bounds;
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// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-boundingclientrect
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Geometry::DOMRectInit bounding_client_rect;
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// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-intersectionrect
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Geometry::DOMRectInit intersection_rect;
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// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-isintersecting
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bool is_intersecting { false };
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// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-intersectionratio
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double intersection_ratio { 0.0 };
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// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-target
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JS::Handle<DOM::Element> target;
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};
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class IntersectionObserverEntry final : public Bindings::PlatformObject {
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WEB_PLATFORM_OBJECT(IntersectionObserverEntry, Bindings::PlatformObject);
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public:
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<IntersectionObserverEntry>> construct_impl(JS::Realm&, IntersectionObserverEntryInit const& options);
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virtual ~IntersectionObserverEntry() override;
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HighResolutionTime::DOMHighResTimeStamp time() const { return m_time; }
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JS::GCPtr<Geometry::DOMRectReadOnly> root_bounds() const { return m_root_bounds; }
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JS::NonnullGCPtr<Geometry::DOMRectReadOnly> bounding_client_rect() const { return m_bounding_client_rect; }
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JS::NonnullGCPtr<Geometry::DOMRectReadOnly> intersection_rect() const { return m_intersection_rect; }
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bool is_intersecting() const { return m_is_intersecting; }
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double intersection_ratio() const { return m_intersection_ratio; }
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JS::NonnullGCPtr<DOM::Element> target() const { return m_target; }
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private:
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IntersectionObserverEntry(JS::Realm&, HighResolutionTime::DOMHighResTimeStamp time, JS::GCPtr<Geometry::DOMRectReadOnly> root_bounds, JS::NonnullGCPtr<Geometry::DOMRectReadOnly> bounding_client_rect, JS::NonnullGCPtr<Geometry::DOMRectReadOnly> intersection_rect, bool is_intersecting, double intersection_ratio, JS::NonnullGCPtr<DOM::Element> target);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(JS::Cell::Visitor&) override;
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// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-time
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HighResolutionTime::DOMHighResTimeStamp m_time { 0.0 };
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// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-rootbounds
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JS::GCPtr<Geometry::DOMRectReadOnly> m_root_bounds;
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// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-boundingclientrect
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JS::NonnullGCPtr<Geometry::DOMRectReadOnly> m_bounding_client_rect;
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// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-intersectionrect
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JS::NonnullGCPtr<Geometry::DOMRectReadOnly> m_intersection_rect;
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// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-isintersecting
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bool m_is_intersecting { false };
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// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-intersectionratio
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double m_intersection_ratio { 0.0 };
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// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-target
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JS::NonnullGCPtr<DOM::Element> m_target;
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};
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}
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