ebf2184636
Previously we forwarded all event handler attributes to Window from these two elements, however, we are only supposed to forward blur, error, focus, load, resize and scroll.
91 lines
3.4 KiB
C++
91 lines
3.4 KiB
C++
/*
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* Copyright (c) 2020-2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/FlyString.h>
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#include <AK/Noncopyable.h>
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#include <AK/Vector.h>
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#include <LibJS/Forward.h>
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#include <LibWeb/DOM/DOMEventListener.h>
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#include <LibWeb/DOM/ExceptionOr.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/HTML/EventHandler.h>
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namespace Web::DOM {
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class EventTarget {
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AK_MAKE_NONCOPYABLE(EventTarget);
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AK_MAKE_NONMOVABLE(EventTarget);
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public:
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virtual ~EventTarget();
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void ref() { ref_event_target(); }
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void unref() { unref_event_target(); }
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virtual bool is_focusable() const { return false; }
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void add_event_listener(FlyString const& type, RefPtr<IDLEventListener> callback, Variant<AddEventListenerOptions, bool> const& options);
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void remove_event_listener(FlyString const& type, RefPtr<IDLEventListener> callback, Variant<EventListenerOptions, bool> const& options);
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// NOTE: These are for internal use only. They operate as though addEventListener(type, callback) was called instead of addEventListener(type, callback, options).
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void add_event_listener_without_options(FlyString const& type, RefPtr<IDLEventListener> callback);
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void remove_event_listener_without_options(FlyString const& type, RefPtr<IDLEventListener> callback);
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virtual bool dispatch_event(NonnullRefPtr<Event>);
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ExceptionOr<bool> dispatch_event_binding(NonnullRefPtr<Event>);
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virtual JS::Object* create_wrapper(JS::GlobalObject&) = 0;
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virtual EventTarget* get_parent(Event const&) { return nullptr; }
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void add_an_event_listener(NonnullRefPtr<DOMEventListener>);
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void remove_an_event_listener(DOMEventListener&);
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void remove_from_event_listener_list(DOMEventListener&);
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auto& event_listener_list() { return m_event_listener_list; }
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auto const& event_listener_list() const { return m_event_listener_list; }
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Function<void(Event const&)> activation_behavior;
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// NOTE: These only exist for checkbox and radio input elements.
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virtual void legacy_pre_activation_behavior() { }
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virtual void legacy_cancelled_activation_behavior() { }
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virtual void legacy_cancelled_activation_behavior_was_not_called() { }
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Bindings::CallbackType* event_handler_attribute(FlyString const& name);
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void set_event_handler_attribute(FlyString const& name, Optional<Bindings::CallbackType>);
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protected:
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EventTarget();
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virtual void ref_event_target() = 0;
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virtual void unref_event_target() = 0;
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void element_event_handler_attribute_changed(FlyString const& local_name, String const& value);
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private:
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Vector<NonnullRefPtr<DOMEventListener>> m_event_listener_list;
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// https://html.spec.whatwg.org/multipage/webappapis.html#event-handler-map
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// Spec Note: The order of the entries of event handler map could be arbitrary. It is not observable through any algorithms that operate on the map.
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HashMap<FlyString, HTML::EventHandler> m_event_handler_map;
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enum class IsAttribute {
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No,
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Yes,
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};
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Bindings::CallbackType* get_current_value_of_event_handler(FlyString const& name);
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void activate_event_handler(FlyString const& name, HTML::EventHandler& event_handler, IsAttribute is_attribute);
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void deactivate_event_handler(FlyString const& name);
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JS::ThrowCompletionOr<void> process_event_handler_for_event(FlyString const& name, Event& event);
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};
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bool is_window_reflecting_body_element_event_handler(FlyString const& name);
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}
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