From fc12402b49c52116001cb679de19ebfe6d3815c5 Mon Sep 17 00:00:00 2001
From: Kenneth Myhra <kennethmyhra@gmail.com>
Date: Fri, 23 Feb 2024 17:25:37 +0100
Subject: [PATCH] LibWeb: Add abstract class Serializable

This adds the abstract class Serializable which platform objects defined
as Serializable objects can implement to support their appropriate
serialization and deserialization steps.
---
 .../Libraries/LibWeb/Bindings/Serializable.h  | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 Userland/Libraries/LibWeb/Bindings/Serializable.h

diff --git a/Userland/Libraries/LibWeb/Bindings/Serializable.h b/Userland/Libraries/LibWeb/Bindings/Serializable.h
new file mode 100644
index 0000000000..0cc8570987
--- /dev/null
+++ b/Userland/Libraries/LibWeb/Bindings/Serializable.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2024, Kenneth Myhra <kennethmyhra@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibJS/Runtime/Realm.h>
+#include <LibWeb/HTML/StructuredSerialize.h>
+
+namespace Web::Bindings {
+
+// https://html.spec.whatwg.org/multipage/structured-data.html#serializable-objects
+class Serializable {
+public:
+    virtual ~Serializable() = default;
+
+    virtual StringView interface_name() const = 0;
+
+    // https://html.spec.whatwg.org/multipage/structured-data.html#serialization-steps
+    virtual WebIDL::ExceptionOr<void> serialization_steps(HTML::SerializationRecord&, bool for_storage) = 0;
+    // https://html.spec.whatwg.org/multipage/structured-data.html#deserialization-steps
+    virtual WebIDL::ExceptionOr<void> deserialization_steps(ReadonlySpan<u32> const&, size_t& position) = 0;
+};
+
+}