Libraries: Move to Userland/Libraries/

1 files changed, 70 insertions, 0 deletions

diff --git a/Userland/Libraries/LibWeb/DOM/EventTarget.cpp b/Userland/Libraries/LibWeb/DOM/EventTarget.cpp
new file mode 100644
index 0000000000..5f8ca71c8a
--- /dev/null
+++ b/Userland/Libraries/LibWeb/DOM/EventTarget.cpp
@@ -0,0 +1,70 @@
+/*
+ * 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.
+ */
+
+#include <LibWeb/Bindings/ScriptExecutionContext.h>
+#include <LibWeb/DOM/EventListener.h>
+#include <LibWeb/DOM/EventTarget.h>
+
+namespace Web::DOM {
+
+EventTarget::EventTarget(Bindings::ScriptExecutionContext& script_execution_context)
+    : m_script_execution_context(&script_execution_context)
+{
+}
+
+EventTarget::~EventTarget()
+{
+}
+
+void EventTarget::add_event_listener(const FlyString& event_name, NonnullRefPtr<EventListener> listener)
+{
+    auto existing_listener = m_listeners.first_matching([&](auto& entry) {
+        return entry.listener->type() == event_name && &entry.listener->function() == &listener->function() && entry.listener->capture() == listener->capture();
+    });
+    if (existing_listener.has_value())
+        return;
+    listener->set_type(event_name);
+    m_listeners.append({ event_name, move(listener) });
+}
+
+void EventTarget::remove_event_listener(const FlyString& event_name, NonnullRefPtr<EventListener> listener)
+{
+    m_listeners.remove_first_matching([&](auto& entry) {
+        auto matches = entry.event_name == event_name && &entry.listener->function() == &listener->function() && entry.listener->capture() == listener->capture();
+        if (matches)
+            entry.listener->set_removed(true);
+        return matches;
+    });
+}
+
+void EventTarget::remove_from_event_listener_list(NonnullRefPtr<EventListener> listener)
+{
+    m_listeners.remove_first_matching([&](auto& entry) {
+        return entry.listener->type() == listener->type() && &entry.listener->function() == &listener->function() && entry.listener->capture() == listener->capture();
+    });
+}
+
+}