fb8edcea00
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.
41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
/*
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* Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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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/Bindings/ResizeObserverPrototype.h>
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#include <LibWeb/ResizeObserver/ResizeObserverSize.h>
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namespace Web::ResizeObserver {
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// https://drafts.csswg.org/resize-observer-1/#resize-observation-interface
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class ResizeObservation : public JS::Cell {
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JS_CELL(ResizeObservation, JS::Cell);
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JS_DECLARE_ALLOCATOR(ResizeObservation);
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public:
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<ResizeObservation>> create(JS::Realm&, DOM::Element&, Bindings::ResizeObserverBoxOptions);
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bool is_active();
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JS::NonnullGCPtr<DOM::Element> target() const { return m_target; }
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Bindings::ResizeObserverBoxOptions observed_box() const { return m_observed_box; }
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Vector<JS::NonnullGCPtr<ResizeObserverSize>>& last_reported_sizes() { return m_last_reported_sizes; }
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explicit ResizeObservation(JS::Realm& realm, DOM::Element& target, Bindings::ResizeObserverBoxOptions observed_box);
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private:
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virtual void visit_edges(JS::Cell::Visitor&) override;
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JS::NonnullGCPtr<JS::Realm> m_realm;
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JS::NonnullGCPtr<DOM::Element> m_target;
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Bindings::ResizeObserverBoxOptions m_observed_box;
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Vector<JS::NonnullGCPtr<ResizeObserverSize>> m_last_reported_sizes;
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};
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}
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