LibWeb: Add IDBCursor

Author: https://github.com/stelar7
Commit: 71772d97dc
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2236
Reviewed-by: https://github.com/gmta ✅

Libraries/LibWeb/IndexedDB/IDBCursor.cpp

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2024, stelar7 <dudedbz@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/IDBCursorPrototype.h>
+#include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/HTML/EventNames.h>
+#include <LibWeb/IndexedDB/IDBCursor.h>
+
+namespace Web::IndexedDB {
+
+GC_DEFINE_ALLOCATOR(IDBCursor);
+
+IDBCursor::~IDBCursor() = default;
+
+IDBCursor::IDBCursor(JS::Realm& realm)
+    : PlatformObject(realm)
+{
+}
+
+GC::Ref<IDBCursor> IDBCursor::create(JS::Realm& realm)
+{
+    return realm.create<IDBCursor>(realm);
+}
+
+void IDBCursor::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+    WEB_SET_PROTOTYPE_FOR_INTERFACE(IDBCursor);
+}
+
+}

Libraries/LibWeb/IndexedDB/IDBCursor.h

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+/*
+ * Copyright (c) 2024, stelar7 <dudedbz@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibGC/Heap.h>
+#include <LibWeb/Bindings/PlatformObject.h>
+
+namespace Web::IndexedDB {
+
+// https://w3c.github.io/IndexedDB/#cursor-interface
+class IDBCursor : public Bindings::PlatformObject {
+    WEB_PLATFORM_OBJECT(IDBCursor, Bindings::PlatformObject);
+    GC_DECLARE_ALLOCATOR(IDBCursor);
+
+public:
+    virtual ~IDBCursor() override;
+    [[nodiscard]] static GC::Ref<IDBCursor> create(JS::Realm&);
+
+protected:
+    explicit IDBCursor(JS::Realm&);
+    virtual void initialize(JS::Realm&) override;
+};
+}

Libraries/LibWeb/IndexedDB/IDBCursor.idl

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+#import <IndexedDB/IDBRequest.idl>
+
+[Exposed=(Window,Worker)]
+interface IDBCursor {
+    [FIXME] readonly attribute (IDBObjectStore or IDBIndex) source;
+    [FIXME] readonly attribute IDBCursorDirection direction;
+    [FIXME] readonly attribute any key;
+    [FIXME] readonly attribute any primaryKey;
+    [FIXME, SameObject] readonly attribute IDBRequest request;
+    [FIXME] undefined advance([EnforceRange] unsigned long count);
+    [FIXME] undefined continue(optional any key);
+    [FIXME] undefined continuePrimaryKey(any key, any primaryKey);
+    [FIXME, NewObject] IDBRequest update(any value);
+    [FIXME, NewObject] IDBRequest delete();
+};
+
+enum IDBCursorDirection {
+    "next",
+    "nextunique",
+    "prev",
+    "prevunique"
+};