7 files changed, 173 insertions, 9 deletions
diff --git a/Libraries/LibWeb/Bindings/DocumentWrapper.h b/Libraries/LibWeb/Bindings/DocumentWrapper.h
index 677e980455..dcf8e48348 100644
--- a/Libraries/LibWeb/Bindings/DocumentWrapper.h
+++ b/Libraries/LibWeb/Bindings/DocumentWrapper.h
@@ -40,7 +40,7 @@ public:
     const Document& node() const;
 
 private:
-    virtual const char* class_name() const override { return "Document"; }
+    virtual const char* class_name() const override { return "DocumentWrapper"; }
 };
 
 }
diff --git a/Libraries/LibWeb/Bindings/EventListenerWrapper.cpp b/Libraries/LibWeb/Bindings/EventListenerWrapper.cpp
new file mode 100644
index 0000000000..d01d5fa15b
--- /dev/null
+++ b/Libraries/LibWeb/Bindings/EventListenerWrapper.cpp
@@ -0,0 +1,24 @@
+#include <LibJS/Runtime/Function.h>
+#include <LibWeb/Bindings/EventListenerWrapper.h>
+#include <LibWeb/DOM/EventListener.h>
+
+namespace Web {
+namespace Bindings {
+
+EventListenerWrapper::EventListenerWrapper(EventListener& impl)
+    : m_impl(impl)
+{
+}
+
+EventListenerWrapper::~EventListenerWrapper()
+{
+}
+
+void EventListenerWrapper::visit_children(JS::Cell::Visitor& visitor)
+{
+    Wrapper::visit_children(visitor);
+    visitor.visit(impl().function());
+}
+
+}
+}
diff --git a/Libraries/LibWeb/Bindings/EventListenerWrapper.h b/Libraries/LibWeb/Bindings/EventListenerWrapper.h
new file mode 100644
index 0000000000..c3a3bcc86d
--- /dev/null
+++ b/Libraries/LibWeb/Bindings/EventListenerWrapper.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
+ */
+
+#pragma once
+
+#include <LibWeb/Bindings/Wrapper.h>
+
+namespace Web {
+namespace Bindings {
+
+class EventListenerWrapper final : public Wrapper {
+public:
+    explicit EventListenerWrapper(EventListener&);
+    virtual ~EventListenerWrapper() override;
+
+    EventListener& impl() { return *m_impl; }
+    const EventListener& impl() const { return *m_impl; }
+
+private:
+    virtual const char* class_name() const override { return "EventListenerWrapper"; }
+    virtual void visit_children(JS::Cell::Visitor&) override;
+
+    NonnullRefPtr<EventListener> m_impl;
+};
+
+}
+}
diff --git a/Libraries/LibWeb/Bindings/EventTargetWrapper.cpp b/Libraries/LibWeb/Bindings/EventTargetWrapper.cpp
new file mode 100644
index 0000000000..0d92f395e4
--- /dev/null
+++ b/Libraries/LibWeb/Bindings/EventTargetWrapper.cpp
@@ -0,0 +1,33 @@
+#include <AK/Function.h>
+#include <LibJS/Runtime/Function.h>
+#include <LibWeb/Bindings/EventListenerWrapper.h>
+#include <LibWeb/Bindings/EventTargetWrapper.h>
+#include <LibWeb/DOM/EventListener.h>
+#include <LibWeb/DOM/EventTarget.h>
+
+namespace Web {
+namespace Bindings {
+
+EventTargetWrapper::EventTargetWrapper(EventTarget& impl)
+    : m_impl(impl)
+{
+    put_native_function("addEventListener", [](Object* this_object, const Vector<JS::Value>& arguments) {
+        if (arguments.size() < 2)
+            return JS::js_undefined();
+
+        auto event_name = arguments[0].to_string();
+        ASSERT(arguments[1].is_object());
+        ASSERT(arguments[1].as_object()->is_function());
+        auto listener = adopt(*new EventListener(static_cast<JS::Function*>(const_cast<Object*>(arguments[1].as_object()))));
+        wrap(this_object->heap(), *listener);
+        static_cast<EventTargetWrapper*>(this_object)->impl().add_event_listener(event_name, move(listener));
+        return JS::js_undefined();
+    });
+}
+
+EventTargetWrapper::~EventTargetWrapper()
+{
+}
+
+}
+}
diff --git a/Libraries/LibWeb/Bindings/EventTargetWrapper.h b/Libraries/LibWeb/Bindings/EventTargetWrapper.h
new file mode 100644
index 0000000000..2ce45e707c
--- /dev/null
+++ b/Libraries/LibWeb/Bindings/EventTargetWrapper.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
+ */
+
+#pragma once
+
+#include <LibWeb/Bindings/Wrapper.h>
+
+namespace Web {
+namespace Bindings {
+
+class EventTargetWrapper : public Wrapper {
+public:
+    explicit EventTargetWrapper(EventTarget&);
+    virtual ~EventTargetWrapper() override;
+
+    EventTarget& impl() { return *m_impl; }
+    const EventTarget& impl() const { return *m_impl; }
+
+private:
+    virtual const char* class_name() const override { return "EventTargetWrapper"; }
+
+    NonnullRefPtr<EventTarget> m_impl;
+};
+
+}
+}
diff --git a/Libraries/LibWeb/Bindings/NodeWrapper.cpp b/Libraries/LibWeb/Bindings/NodeWrapper.cpp
index 0fe5269391..ef80dbe8f1 100644
--- a/Libraries/LibWeb/Bindings/NodeWrapper.cpp
+++ b/Libraries/LibWeb/Bindings/NodeWrapper.cpp
@@ -33,7 +33,7 @@ namespace Web {
 namespace Bindings {
 
 NodeWrapper::NodeWrapper(Node& node)
-    : m_node(node)
+    : EventTargetWrapper(node)
 {
     put("nodeName", JS::js_string(heap(), node.tag_name()));
 }
@@ -42,5 +42,15 @@ NodeWrapper::~NodeWrapper()
 {
 }
 
+Node& NodeWrapper::node()
+{
+    return static_cast<Node&>(EventTargetWrapper::impl());
+}
+
+const Node& NodeWrapper::node() const
+{
+    return static_cast<const Node&>(EventTargetWrapper::impl());
+}
+
 }
 }
diff --git a/Libraries/LibWeb/Bindings/NodeWrapper.h b/Libraries/LibWeb/Bindings/NodeWrapper.h
index 3bb1990624..0d93b6870b 100644
--- a/Libraries/LibWeb/Bindings/NodeWrapper.h
+++ b/Libraries/LibWeb/Bindings/NodeWrapper.h
@@ -26,23 +26,21 @@
 
 #pragma once
 
-#include <LibWeb/Bindings/Wrapper.h>
+#include <LibWeb/Bindings/EventTargetWrapper.h>
 
 namespace Web {
 namespace Bindings {
 
-class NodeWrapper : public Wrapper {
+class NodeWrapper : public EventTargetWrapper {
 public:
     explicit NodeWrapper(Node&);
     virtual ~NodeWrapper() override;
 
-    Node& node() { return *m_node; }
-    const Node& node() const { return *m_node; }
+    Node& node();
+    const Node& node() const;
 
 private:
-    virtual const char* class_name() const override { return "Node"; }
-
-    NonnullRefPtr<Node> m_node;
+    virtual const char* class_name() const override { return "NodeWrapper"; }
 };
 
 }