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LibWeb: Generate EventTarget bindings from IDL :^)

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This commit is contained in:
Andreas Kling 2020-06-21 12:27:41 +02:00
parent a014b2930e
commit d724a12732
6 changed files with 29 additions and 134 deletions
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77
Libraries/LibWeb/Bindings/EventTargetWrapper.cpp
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@ -1,77 +0,0 @@
/*
* 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(JS::GlobalObject& global_object, EventTarget& impl)
: Wrapper(*global_object.object_prototype())
, m_impl(impl)
{
}
void EventTargetWrapper::initialize(JS::Interpreter& interpreter, JS::GlobalObject& global_object)
{
Wrapper::initialize(interpreter, global_object);
define_native_function("addEventListener", add_event_listener, 2);
}
EventTargetWrapper::~EventTargetWrapper()
{
}
JS_DEFINE_NATIVE_FUNCTION(EventTargetWrapper::add_event_listener)
{
auto* this_object = interpreter.this_value(global_object).to_object(interpreter, global_object);
if (!this_object)
return {};
if (interpreter.argument_count() < 2)
return interpreter.throw_exception<JS::TypeError>(JS::ErrorType::BadArgCountMany, "addEventListener", "two");
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();
}
}
}

52
Libraries/LibWeb/Bindings/EventTargetWrapper.h
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@ -1,52 +0,0 @@
/*
* 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:
EventTargetWrapper(JS::GlobalObject&, EventTarget&);
virtual void initialize(JS::Interpreter&, JS::GlobalObject&) override;
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"; }
JS_DECLARE_NATIVE_FUNCTION(add_event_listener);
NonnullRefPtr<EventTarget> m_impl;
};
}
}

1
Libraries/LibWeb/Bindings/Wrapper.h
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@ -38,6 +38,7 @@ class Wrapper
: public JS::Object
, public Weakable<Wrapper> {
public:
virtual bool is_event_target_wrapper() const { return false; }
virtual bool is_node_wrapper() const { return false; }
virtual bool is_document_wrapper() const { return false; }
virtual bool is_element_wrapper() const { return false; }