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LibWeb: Resolve a FIXME when determining target of an event handler

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For body and frameset events that aren't part of the special handling
sets, just let them through to the element.
This commit is contained in:
Andreas Kling 2022-01-24 16:39:02 +01:00
parent 43ddefec9c
commit 0b997b9d35
1 changed files with 41 additions and 4 deletions
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45
Userland/Libraries/LibWeb/DOM/EventTarget.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2020-2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -16,8 +16,10 @@
#include <LibWeb/DOM/EventTarget.h>
#include <LibWeb/DOM/Window.h>
#include <LibWeb/HTML/EventHandler.h>
#include <LibWeb/HTML/EventNames.h>
#include <LibWeb/HTML/HTMLBodyElement.h>
#include <LibWeb/HTML/HTMLFrameSetElement.h>
#include <LibWeb/UIEvents/EventNames.h>
namespace Web::DOM {
@ -78,6 +80,40 @@ ExceptionOr<bool> EventTarget::dispatch_event_binding(NonnullRefPtr<Event> event
return dispatch_event(event);
}
// https://html.spec.whatwg.org/multipage/webappapis.html#window-reflecting-body-element-event-handler-set
static bool is_window_reflecting_body_element_event_handler(FlyString const& name)
{
return name.is_one_of(
HTML::EventNames::blur,
HTML::EventNames::error,
HTML::EventNames::focus,
HTML::EventNames::load,
UIEvents::EventNames::resize,
"scroll");
}
// https://html.spec.whatwg.org/multipage/webappapis.html#windoweventhandlers
static bool is_window_event_handler(FlyString const& name)
{
return name.is_one_of(
HTML::EventNames::afterprint,
HTML::EventNames::beforeprint,
HTML::EventNames::beforeunload,
HTML::EventNames::hashchange,
HTML::EventNames::languagechange,
HTML::EventNames::message,
HTML::EventNames::messageerror,
HTML::EventNames::offline,
HTML::EventNames::online,
HTML::EventNames::pagehide,
HTML::EventNames::pageshow,
HTML::EventNames::popstate,
HTML::EventNames::rejectionhandled,
HTML::EventNames::storage,
HTML::EventNames::unhandledrejection,
HTML::EventNames::unload);
}
// https://html.spec.whatwg.org/multipage/webappapis.html#determining-the-target-of-an-event-handler
static EventTarget* determine_target_of_event_handler(EventTarget& event_target, FlyString const& name)
{
@ -90,9 +126,10 @@ static EventTarget* determine_target_of_event_handler(EventTarget& event_target,
auto& event_target_element = static_cast<HTML::HTMLElement&>(event_target);
// FIXME: 2. If name is not the name of an attribute member of the WindowEventHandlers interface mixin and the Window-reflecting
// body element event handler set does not contain name, then return eventTarget.
(void)name;
// 2. If name is not the name of an attribute member of the WindowEventHandlers interface mixin and the Window-reflecting
// body element event handler set does not contain name, then return eventTarget.
if (!is_window_event_handler(name) && !is_window_reflecting_body_element_event_handler(name))
return &event_target;
// 3. If eventTarget's node document is not an active document, then return null.
if (!event_target_element.document().is_active())