ladybird/Userland/Libraries/LibWeb/IntersectionObserver/IntersectionObserverEntry.h
Andreas Kling 18c54d8d40 LibJS: Make Cell::initialize() return void
Stop worrying about tiny OOMs.

Work towards #20405
2023-08-08 07:39:11 +02:00

83 lines
3.7 KiB
C++

/*
* Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/Geometry/DOMRect.h>
#include <LibWeb/HighResolutionTime/DOMHighResTimeStamp.h>
namespace Web::IntersectionObserver {
struct IntersectionObserverEntryInit {
// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-time
HighResolutionTime::DOMHighResTimeStamp time { 0.0 };
// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-rootbounds
Optional<Geometry::DOMRectInit> root_bounds;
// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-boundingclientrect
Geometry::DOMRectInit bounding_client_rect;
// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-intersectionrect
Geometry::DOMRectInit intersection_rect;
// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-isintersecting
bool is_intersecting { false };
// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-intersectionratio
double intersection_ratio { 0.0 };
// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-target
JS::Handle<DOM::Element> target;
};
class IntersectionObserverEntry final : public Bindings::PlatformObject {
WEB_PLATFORM_OBJECT(IntersectionObserverEntry, Bindings::PlatformObject);
public:
static WebIDL::ExceptionOr<JS::NonnullGCPtr<IntersectionObserverEntry>> construct_impl(JS::Realm&, IntersectionObserverEntryInit const& options);
virtual ~IntersectionObserverEntry() override;
HighResolutionTime::DOMHighResTimeStamp time() const { return m_time; }
JS::GCPtr<Geometry::DOMRectReadOnly> root_bounds() const { return m_root_bounds; }
JS::NonnullGCPtr<Geometry::DOMRectReadOnly> bounding_client_rect() const { return m_bounding_client_rect; }
JS::NonnullGCPtr<Geometry::DOMRectReadOnly> intersection_rect() const { return m_intersection_rect; }
bool is_intersecting() const { return m_is_intersecting; }
double intersection_ratio() const { return m_intersection_ratio; }
JS::NonnullGCPtr<DOM::Element> target() const { return m_target; }
private:
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);
virtual void initialize(JS::Realm&) override;
virtual void visit_edges(JS::Cell::Visitor&) override;
// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-time
HighResolutionTime::DOMHighResTimeStamp m_time { 0.0 };
// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-rootbounds
JS::GCPtr<Geometry::DOMRectReadOnly> m_root_bounds;
// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-boundingclientrect
JS::NonnullGCPtr<Geometry::DOMRectReadOnly> m_bounding_client_rect;
// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-intersectionrect
JS::NonnullGCPtr<Geometry::DOMRectReadOnly> m_intersection_rect;
// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-isintersecting
bool m_is_intersecting { false };
// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-intersectionratio
double m_intersection_ratio { 0.0 };
// https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverentry-target
JS::NonnullGCPtr<DOM::Element> m_target;
};
}