RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 17:47:44 +00:00
Code Issues Activity Actions

LibWeb: Flesh out implementation of ResizeObserver interfaces

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

23
Userland/Libraries/LibWeb/ResizeObserver/ResizeObserver.h
View file

@ -1,5 +1,6 @@
/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -7,6 +8,8 @@
#pragma once
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/ResizeObserver/ResizeObservation.h>
#include <LibWeb/ResizeObserver/ResizeObserverEntry.h>
namespace Web::ResizeObserver {
@ -14,7 +17,7 @@ struct ResizeObserverOptions {
Bindings::ResizeObserverBoxOptions box;
};
// https://drafts.csswg.org/resize-observer/#resize-observer-interface
// 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);
@ -28,10 +31,26 @@ public:
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&);
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;
};
}