78155a6668
Now, exceptions can be thrown with interpreter.throw_exception<T>(ErrorType:TYPE, "format", "args", "here").
72 lines
2.9 KiB
C++
72 lines
2.9 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/FlyString.h>
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#include <AK/Function.h>
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#include <LibJS/Interpreter.h>
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#include <LibJS/Runtime/Error.h>
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#include <LibJS/Runtime/Function.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibWeb/Bindings/EventListenerWrapper.h>
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#include <LibWeb/Bindings/EventTargetWrapper.h>
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#include <LibWeb/DOM/EventListener.h>
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#include <LibWeb/DOM/EventTarget.h>
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namespace Web {
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namespace Bindings {
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EventTargetWrapper::EventTargetWrapper(EventTarget& impl)
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: Wrapper(*interpreter().global_object().object_prototype())
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, m_impl(impl)
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{
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define_native_function("addEventListener", add_event_listener, 2);
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}
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EventTargetWrapper::~EventTargetWrapper()
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{
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}
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JS::Value EventTargetWrapper::add_event_listener(JS::Interpreter& interpreter)
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{
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auto* this_object = interpreter.this_value(interpreter.global_object()).to_object(interpreter);
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if (!this_object)
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return {};
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if (interpreter.argument_count() < 2)
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return interpreter.throw_exception<JS::TypeError>(JS::ErrorType::BadArgCountMany, "addEventListener", "two");
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auto event_name = interpreter.argument(0).to_string(interpreter);
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if (interpreter.exception())
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return {};
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auto callback = interpreter.argument(1);
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ASSERT(callback.is_object());
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ASSERT(callback.as_object().is_function());
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auto& function = callback.as_function();
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auto listener = adopt(*new EventListener(JS::make_handle(&function)));
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static_cast<EventTargetWrapper*>(this_object)->impl().add_event_listener(event_name, move(listener));
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return JS::js_undefined();
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}
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}
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}
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