mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-10 13:00:29 +03:00
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.
57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
/*
|
|
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
|
|
* Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <LibWeb/Bindings/PlatformObject.h>
|
|
#include <LibWeb/ResizeObserver/ResizeObservation.h>
|
|
#include <LibWeb/ResizeObserver/ResizeObserverEntry.h>
|
|
|
|
namespace Web::ResizeObserver {
|
|
|
|
struct ResizeObserverOptions {
|
|
Bindings::ResizeObserverBoxOptions box;
|
|
};
|
|
|
|
// https://drafts.csswg.org/resize-observer-1/#resize-observer-interface
|
|
class ResizeObserver : public Bindings::PlatformObject {
|
|
WEB_PLATFORM_OBJECT(ResizeObserver, Bindings::PlatformObject);
|
|
JS_DECLARE_ALLOCATOR(ResizeObserver);
|
|
|
|
public:
|
|
static WebIDL::ExceptionOr<JS::NonnullGCPtr<ResizeObserver>> construct_impl(JS::Realm&, WebIDL::CallbackType* callback);
|
|
|
|
virtual ~ResizeObserver() override;
|
|
|
|
void observe(DOM::Element& target, ResizeObserverOptions);
|
|
void unobserve(DOM::Element& target);
|
|
void disconnect();
|
|
|
|
void invoke_callback(Vector<JS::NonnullGCPtr<ResizeObserverEntry>>& entries) const;
|
|
|
|
Vector<JS::NonnullGCPtr<ResizeObservation>>& observation_targets() { return m_observation_targets; }
|
|
Vector<JS::NonnullGCPtr<ResizeObservation>>& active_targets() { return m_active_targets; }
|
|
Vector<JS::NonnullGCPtr<ResizeObservation>>& skipped_targets() { return m_skipped_targets; }
|
|
|
|
private:
|
|
explicit ResizeObserver(JS::Realm&, WebIDL::CallbackType* callback);
|
|
|
|
virtual void initialize(JS::Realm&) override;
|
|
virtual void visit_edges(JS::Cell::Visitor&) override;
|
|
virtual void finalize() override;
|
|
|
|
JS::GCPtr<WebIDL::CallbackType> m_callback;
|
|
Vector<JS::NonnullGCPtr<ResizeObservation>> m_observation_targets;
|
|
Vector<JS::NonnullGCPtr<ResizeObservation>> m_active_targets;
|
|
Vector<JS::NonnullGCPtr<ResizeObservation>> m_skipped_targets;
|
|
|
|
// AD-HOC: This is the document where we've registered the observer.
|
|
WeakPtr<DOM::Document> m_document;
|
|
};
|
|
|
|
}
|