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LibWeb: Flesh out implementation of ResizeObserver interfaces

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Adds the initial implementation for interfaces defined in the
ResizeObserver specification. These interfaces will be used to
construct and send observation events in the upcoming changes.
This commit is contained in:
Aliaksandr Kalenik 2024-02-19 05:06:39 +01:00 • committed by Andreas Kling
parent fb4c632309
commit fb8edcea00
15 changed files with 494 additions and 13 deletions
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56
Userland/Libraries/LibWeb/ResizeObserver/ResizeObserverEntry.h Normal file
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/*
* Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Runtime/Array.h>
#include <LibWeb/Bindings/ExceptionOrUtils.h>
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/Bindings/ResizeObserverPrototype.h>
#include <LibWeb/Geometry/DOMRectReadOnly.h>
#include <LibWeb/ResizeObserver/ResizeObserverSize.h>
namespace Web::ResizeObserver {
// https://drafts.csswg.org/resize-observer-1/#resize-observer-entry-interface
class ResizeObserverEntry : public Bindings::PlatformObject {
WEB_PLATFORM_OBJECT(ResizeObserverEntry, Bindings::PlatformObject);
JS_DECLARE_ALLOCATOR(ResizeObserverEntry);
public:
static WebIDL::ExceptionOr<JS::NonnullGCPtr<ResizeObserverEntry>> create_and_populate(JS::Realm&, DOM::Element& target);
JS::NonnullGCPtr<Geometry::DOMRectReadOnly> content_rect() const { return *m_content_rect; }
JS::NonnullGCPtr<DOM::Element> target() const { return m_target; }
Vector<JS::NonnullGCPtr<ResizeObserverSize>> const& border_box_size() const { return m_border_box_size; }
Vector<JS::NonnullGCPtr<ResizeObserverSize>> const& content_box_size() const { return m_content_box_size; }
Vector<JS::NonnullGCPtr<ResizeObserverSize>> const& device_pixel_content_box_size() const { return m_device_pixel_content_box_size; }
JS::NonnullGCPtr<JS::Object> border_box_size_js_array() const;
JS::NonnullGCPtr<JS::Object> content_box_size_js_array() const;
JS::NonnullGCPtr<JS::Object> device_pixel_content_box_size_js_array() const;
private:
explicit ResizeObserverEntry(JS::Realm& realm, DOM::Element& target)
: PlatformObject(realm)
, m_target(target)
{
}
virtual void initialize(JS::Realm&) override;
virtual void visit_edges(JS::Cell::Visitor&) override;
JS::NonnullGCPtr<DOM::Element> m_target;
Vector<JS::NonnullGCPtr<ResizeObserverSize>> m_content_box_size;
Vector<JS::NonnullGCPtr<ResizeObserverSize>> m_border_box_size;
Vector<JS::NonnullGCPtr<ResizeObserverSize>> m_device_pixel_content_box_size;
JS::GCPtr<Geometry::DOMRectReadOnly> m_content_rect;
};
}