LibWeb: Add IDBVersionChangeEvent

Author: https://github.com/stelar7
Commit: 54b5822e0b
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2165
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/shannonbooth

Tests/LibWeb/Text/expected/all-window-properties.txt

@@ -199,6 +199,7 @@ IDBDatabase
 IDBFactory
 IDBOpenDBRequest
 IDBRequest
+IDBVersionChangeEvent
 IdleDeadline
 Image
 ImageBitmap

Userland/Libraries/LibWeb/CMakeLists.txt

@@ -507,6 +507,7 @@ set(SOURCES
     IndexedDB/IDBOpenDBRequest.cpp
     IndexedDB/IDBDatabase.cpp
     IndexedDB/IDBRequest.cpp
+    IndexedDB/IDBVersionChangeEvent.cpp
     Internals/Inspector.cpp
     Internals/InternalAnimationTimeline.cpp
     Internals/Internals.cpp

Userland/Libraries/LibWeb/Forward.h

@@ -571,6 +571,7 @@ class IDBFactory;
 class IDBDatabase;
 class IDBOpenDBRequest;
 class IDBRequest;
+class IDBVersionChangeEvent;
 }
 
 namespace Web::Internals {

Userland/Libraries/LibWeb/IndexedDB/IDBVersionChangeEvent.cpp

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2024, stelar7 <dudedbz@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibJS/Runtime/Realm.h>
+#include <LibWeb/Bindings/IDBVersionChangeEventPrototype.h>
+#include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/IndexedDB/IDBVersionChangeEvent.h>
+
+namespace Web::IndexedDB {
+
+JS_DEFINE_ALLOCATOR(IDBVersionChangeEvent);
+
+JS::NonnullGCPtr<IDBVersionChangeEvent> IDBVersionChangeEvent::create(JS::Realm& realm, FlyString const& event_name, IDBVersionChangeEventInit const& event_init)
+{
+    return realm.heap().allocate<IDBVersionChangeEvent>(realm, realm, event_name, event_init);
+}
+
+IDBVersionChangeEvent::IDBVersionChangeEvent(JS::Realm& realm, FlyString const& event_name, IDBVersionChangeEventInit const& event_init)
+    : DOM::Event(realm, event_name, event_init)
+    , m_old_version(event_init.old_version)
+    , m_new_version(event_init.new_version)
+{
+}
+
+IDBVersionChangeEvent::~IDBVersionChangeEvent() = default;
+
+void IDBVersionChangeEvent::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+    WEB_SET_PROTOTYPE_FOR_INTERFACE(IDBVersionChangeEvent);
+}
+
+}

Userland/Libraries/LibWeb/IndexedDB/IDBVersionChangeEvent.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2024, stelar7 <dudedbz@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibJS/Heap/GCPtr.h>
+#include <LibWeb/DOM/Event.h>
+#include <LibWeb/Forward.h>
+
+namespace Web::IndexedDB {
+
+struct IDBVersionChangeEventInit : public DOM::EventInit {
+    u64 old_version { 0 };
+    Optional<u64> new_version;
+};
+
+// https://w3c.github.io/IndexedDB/#events
+class IDBVersionChangeEvent : public DOM::Event {
+    WEB_PLATFORM_OBJECT(IDBVersionChangeEvent, DOM::Event);
+    JS_DECLARE_ALLOCATOR(IDBVersionChangeEvent);
+
+public:
+    virtual ~IDBVersionChangeEvent() override;
+
+    static JS::NonnullGCPtr<IDBVersionChangeEvent> create(JS::Realm&, FlyString const&, IDBVersionChangeEventInit const&);
+
+    u64 old_version() const { return m_old_version; }
+    Optional<u64> new_version() const { return m_new_version; }
+
+protected:
+    explicit IDBVersionChangeEvent(JS::Realm&, FlyString const& event_name, IDBVersionChangeEventInit const& event_init);
+
+    virtual void initialize(JS::Realm&) override;
+
+private:
+    u64 m_old_version { 0 };
+    Optional<u64> m_new_version;
+};
+
+}

Userland/Libraries/LibWeb/IndexedDB/IDBVersionChangeEvent.idl

@@ -0,0 +1,13 @@
+#import <DOM/Event.idl>
+
+[Exposed=(Window,Worker)]
+interface IDBVersionChangeEvent : Event {
+    constructor(DOMString type, optional IDBVersionChangeEventInit eventInitDict = {});
+    readonly attribute unsigned long long oldVersion;
+    readonly attribute unsigned long long? newVersion;
+};
+
+dictionary IDBVersionChangeEventInit : EventInit {
+    unsigned long long oldVersion = 0;
+    unsigned long long? newVersion;
+};

Userland/Libraries/LibWeb/idl_files.cmake

@@ -247,6 +247,7 @@ libweb_js_bindings(IndexedDB/IDBDatabase)
 libweb_js_bindings(IndexedDB/IDBFactory)
 libweb_js_bindings(IndexedDB/IDBOpenDBRequest)
 libweb_js_bindings(IndexedDB/IDBRequest)
+libweb_js_bindings(IndexedDB/IDBVersionChangeEvent)
 libweb_js_bindings(Internals/Inspector)
 libweb_js_bindings(Internals/InternalAnimationTimeline)
 libweb_js_bindings(Internals/Internals)