Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89 Commit: 93712b24bf Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256 Reviewed-by: https://github.com/sideshowbarker
2025-08-22 10:19:20 +00:00 · 2024-11-09 12:25:08 -05:00 · 2024-11-09 12:25:08 -05:00 · 93712b24bf · 2024-11-10 11:51:52 +00:00
commit 93712b24bf
parent 950e819ee7
4547 changed files with 104 additions and 113 deletions
--- a/Libraries/LibWeb/IntersectionObserver/IntersectionObserver.h
+++ b/Libraries/LibWeb/IntersectionObserver/IntersectionObserver.h
@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2021, Tim Flynn <trflynn89@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibJS/Heap/Handle.h>
+#include <LibWeb/Bindings/PlatformObject.h>
+#include <LibWeb/IntersectionObserver/IntersectionObserverEntry.h>
+#include <LibWeb/PixelUnits.h>
+
+namespace Web::IntersectionObserver {
+
+struct IntersectionObserverInit {
+    Optional<Variant<JS::Handle<DOM::Element>, JS::Handle<DOM::Document>>> root;
+    String root_margin { "0px"_string };
+    Variant<double, Vector<double>> threshold { 0 };
+};
+
+// https://www.w3.org/TR/intersection-observer/#intersectionobserverregistration
+struct IntersectionObserverRegistration {
+    // https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverregistration-observer
+    // [A]n observer property holding an IntersectionObserver.
+    JS::NonnullGCPtr<IntersectionObserver> observer;
+
+    // https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverregistration-observer
+    // NOTE: Optional is used in place of the spec using -1 to indicate no previous index.
+    // [A] previousThresholdIndex property holding a number between -1 and the length of the observer’s thresholds property (inclusive).
+    Optional<size_t> previous_threshold_index;
+
+    // https://www.w3.org/TR/intersection-observer/#dom-intersectionobserverregistration-previousisintersecting
+    // [A] previousIsIntersecting property holding a boolean.
+    bool previous_is_intersecting { false };
+};
+
+// https://w3c.github.io/IntersectionObserver/#intersection-observer-interface
+class IntersectionObserver final : public Bindings::PlatformObject {
+    WEB_PLATFORM_OBJECT(IntersectionObserver, Bindings::PlatformObject);
+    JS_DECLARE_ALLOCATOR(IntersectionObserver);
+
+public:
+    static WebIDL::ExceptionOr<JS::NonnullGCPtr<IntersectionObserver>> construct_impl(JS::Realm&, JS::GCPtr<WebIDL::CallbackType> callback, IntersectionObserverInit const& options = {});
+
+    virtual ~IntersectionObserver() override;
+
+    void observe(DOM::Element& target);
+    void unobserve(DOM::Element& target);
+    void disconnect();
+    Vector<JS::Handle<IntersectionObserverEntry>> take_records();
+
+    Vector<JS::NonnullGCPtr<DOM::Element>> const& observation_targets() const { return m_observation_targets; }
+
+    Variant<JS::Handle<DOM::Element>, JS::Handle<DOM::Document>, Empty> root() const;
+    Vector<double> const& thresholds() const { return m_thresholds; }
+
+    Variant<JS::Handle<DOM::Element>, JS::Handle<DOM::Document>> intersection_root() const;
+    CSSPixelRect root_intersection_rectangle() const;
+
+    void queue_entry(Badge<DOM::Document>, JS::NonnullGCPtr<IntersectionObserverEntry>);
+
+    WebIDL::CallbackType& callback() { return *m_callback; }
+
+private:
+    explicit IntersectionObserver(JS::Realm&, JS::GCPtr<WebIDL::CallbackType> callback, Optional<Variant<JS::Handle<DOM::Element>, JS::Handle<DOM::Document>>> const& root, Vector<double>&& thresholds);
+
+    virtual void initialize(JS::Realm&) override;
+    virtual void visit_edges(JS::Cell::Visitor&) override;
+    virtual void finalize() override;
+
+    // https://www.w3.org/TR/intersection-observer/#dom-intersectionobserver-callback-slot
+    JS::GCPtr<WebIDL::CallbackType> m_callback;
+
+    // https://www.w3.org/TR/intersection-observer/#dom-intersectionobserver-root
+    JS::GCPtr<DOM::Node> m_root;
+
+    // https://www.w3.org/TR/intersection-observer/#dom-intersectionobserver-thresholds
+    Vector<double> m_thresholds;
+
+    // https://www.w3.org/TR/intersection-observer/#dom-intersectionobserver-queuedentries-slot
+    Vector<JS::NonnullGCPtr<IntersectionObserverEntry>> m_queued_entries;
+
+    // https://www.w3.org/TR/intersection-observer/#dom-intersectionobserver-observationtargets-slot
+    Vector<JS::NonnullGCPtr<DOM::Element>> m_observation_targets;
+
+    // AD-HOC: This is the document where we've registered the IntersectionObserver.
+    WeakPtr<DOM::Document> m_document;
+};
+
+}