ladybird/Userland/Libraries/LibWeb/DOM/EventTarget.h
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

66 lines
1.9 KiB
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/FlyString.h>
#include <AK/Function.h>
#include <AK/Noncopyable.h>
#include <AK/Vector.h>
#include <LibJS/Forward.h>
#include <LibWeb/Forward.h>
namespace Web::DOM {
class EventTarget {
AK_MAKE_NONCOPYABLE(EventTarget);
AK_MAKE_NONMOVABLE(EventTarget);
public:
virtual ~EventTarget();
void ref() { ref_event_target(); }
void unref() { unref_event_target(); }
void add_event_listener(const FlyString& event_name, RefPtr<EventListener>);
void remove_event_listener(const FlyString& event_name, RefPtr<EventListener>);
void remove_from_event_listener_list(NonnullRefPtr<EventListener>);
virtual bool dispatch_event(NonnullRefPtr<Event>) = 0;
virtual JS::Object* create_wrapper(JS::GlobalObject&) = 0;
Bindings::ScriptExecutionContext* script_execution_context() { return m_script_execution_context; }
virtual EventTarget* get_parent(const Event&) { return nullptr; }
struct EventListenerRegistration {
FlyString event_name;
NonnullRefPtr<EventListener> listener;
};
Vector<EventListenerRegistration>& listeners() { return m_listeners; }
const Vector<EventListenerRegistration>& listeners() const { return m_listeners; }
Function<void(const Event&)> activation_behaviour;
// NOTE: These only exist for checkbox and radio input elements.
Function<void()> legacy_pre_activation_behaviour;
Function<void()> legacy_cancelled_activation_behaviour;
protected:
explicit EventTarget(Bindings::ScriptExecutionContext&);
virtual void ref_event_target() = 0;
virtual void unref_event_target() = 0;
private:
// FIXME: This should not be a raw pointer.
Bindings::ScriptExecutionContext* m_script_execution_context { nullptr };
Vector<EventListenerRegistration> m_listeners;
};
}