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

Libraries/LibWeb/HTML/AnimationFrameCallbackDriver.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2022, the SerenityOS developers.
+ * Copyright (c) 2024, Andreas Kling <andreas@ladybird.org>
+ * Copyright (c) 2024, Tim Flynn <trflynn89@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/HashMap.h>
+#include <LibJS/Heap/GCPtr.h>
+#include <LibJS/Heap/HeapFunction.h>
+#include <LibWeb/WebIDL/Types.h>
+
+namespace Web::HTML {
+
+class AnimationFrameCallbackDriver final : public JS::Cell {
+    JS_CELL(AnimationFrameCallbackDriver, JS::Cell);
+    JS_DECLARE_ALLOCATOR(AnimationFrameCallbackDriver);
+
+    using Callback = JS::NonnullGCPtr<JS::HeapFunction<void(double)>>;
+
+public:
+    [[nodiscard]] WebIDL::UnsignedLong add(Callback handler);
+    bool remove(WebIDL::UnsignedLong);
+    bool has_callbacks() const;
+    void run(double now);
+
+private:
+    virtual void visit_edges(Cell::Visitor&) override;
+
+    // https://html.spec.whatwg.org/multipage/imagebitmap-and-animations.html#animation-frame-callback-identifier
+    WebIDL::UnsignedLong m_animation_frame_callback_identifier { 0 };
+
+    OrderedHashMap<WebIDL::UnsignedLong, Callback> m_callbacks;
+    OrderedHashMap<WebIDL::UnsignedLong, Callback> m_executing_callbacks;
+};
+
+}