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/*
* 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 <AK/FlyString.h>
#include <AK/Function.h>
#include <LibJS/Interpreter.h>
#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/Function.h>
#include <LibJS/Runtime/GlobalObject.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)
: Wrapper(*interpreter().global_object().object_prototype())
, m_impl(impl)
{
define_native_function("addEventListener", add_event_listener, 2);
}
EventTargetWrapper::~EventTargetWrapper()
{
}
JS::Value EventTargetWrapper::add_event_listener(JS::Interpreter& interpreter)
{
auto* this_object = interpreter.this_value(interpreter.global_object()).to_object(interpreter);
if (!this_object)
return {};
if (interpreter.argument_count() < 2)
return interpreter.throw_exception<JS::TypeError>("addEventListener() needs two arguments");
auto event_name = interpreter.argument(0).to_string(interpreter);
if (interpreter.exception())
return {};
auto callback = interpreter.argument(1);
ASSERT(callback.is_object());
ASSERT(callback.as_object().is_function());
auto& function = callback.as_function();
auto listener = adopt(*new EventListener(JS::make_handle(&function)));
static_cast<EventTargetWrapper*>(this_object)->impl().add_event_listener(event_name, move(listener));
return JS::js_undefined();
}
}
}
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