1 files changed, 78 insertions, 0 deletions
diff --git a/src/bun.js/bindings/webcore/CustomEvent.cpp b/src/bun.js/bindings/webcore/CustomEvent.cpp
new file mode 100644
index 000000000..2f17f794b
--- /dev/null
+++ b/src/bun.js/bindings/webcore/CustomEvent.cpp
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
+ * Copyright (C) 2011-2017 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "CustomEvent.h"
+
+#include <JavaScriptCore/JSCInlines.h>
+// #include <wtf/IsoMallocInlines.h>
+
+namespace WebCore {
+
+WTF_MAKE_ISO_ALLOCATED_IMPL(CustomEvent);
+
+inline CustomEvent::CustomEvent(IsTrusted isTrusted)
+    : Event(isTrusted)
+{
+}
+
+inline CustomEvent::CustomEvent(const AtomString& type, const Init& initializer, IsTrusted isTrusted)
+    : Event(type, initializer, isTrusted)
+    , m_detail(initializer.detail)
+{
+}
+
+CustomEvent::~CustomEvent() = default;
+
+Ref<CustomEvent> CustomEvent::create(IsTrusted isTrusted)
+{
+    return adoptRef(*new CustomEvent(isTrusted));
+}
+
+Ref<CustomEvent> CustomEvent::create(const AtomString& type, const Init& initializer, IsTrusted isTrusted)
+{
+    return adoptRef(*new CustomEvent(type, initializer, isTrusted));
+}
+
+void CustomEvent::initCustomEvent(const AtomString& type, bool canBubble, bool cancelable, JSC::JSValue detail)
+{
+    if (isBeingDispatched())
+        return;
+
+    initEvent(type, canBubble, cancelable);
+
+    // FIXME: This code is wrong: we should emit a write-barrier. Otherwise, GC can collect it.
+    // https://bugs.webkit.org/show_bug.cgi?id=236353
+    m_detail.setWeakly(detail);
+    m_cachedDetail.clear();
+}
+
+EventInterface CustomEvent::eventInterface() const
+{
+    return CustomEventInterfaceType;
+}
+
+} // namespace WebCore