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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.
42 lines
1.3 KiB
C++
42 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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