mirror of
https://github.com/RGBCube/serenity
synced 2025-05-31 08:48:11 +00:00
8de7e49a56
These classes only needed Window to get at its realm. Pass a realm directly to construct DOM and WebIDL classes. This change importantly removes the guarantee that a Document will always have a non-null Window object. Only Documents created by a BrowsingContext will have a non-null Window object. Documents created by for example, DocumentFragment, will not have a Window (soon). This incremental commit leaves some workarounds in place to keep other parts of the code building.
92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
/*
|
||
* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
|
||
*
|
||
* SPDX-License-Identifier: BSD-2-Clause
|
||
*/
|
||
|
||
#include <LibWeb/Bindings/Intrinsics.h>
|
||
#include <LibWeb/DOM/AbortSignal.h>
|
||
#include <LibWeb/DOM/Document.h>
|
||
#include <LibWeb/DOM/EventDispatcher.h>
|
||
#include <LibWeb/HTML/EventHandler.h>
|
||
|
||
namespace Web::DOM {
|
||
|
||
JS::NonnullGCPtr<AbortSignal> AbortSignal::construct_impl(JS::Realm& realm)
|
||
{
|
||
return *realm.heap().allocate<AbortSignal>(realm, realm);
|
||
}
|
||
|
||
AbortSignal::AbortSignal(JS::Realm& realm)
|
||
: EventTarget(realm)
|
||
{
|
||
set_prototype(&Bindings::cached_web_prototype(realm, "AbortSignal"));
|
||
}
|
||
|
||
AbortSignal::AbortSignal(HTML::Window& window)
|
||
: AbortSignal(window.realm())
|
||
{
|
||
}
|
||
|
||
// https://dom.spec.whatwg.org/#abortsignal-add
|
||
void AbortSignal::add_abort_algorithm(Function<void()> abort_algorithm)
|
||
{
|
||
// 1. If signal is aborted, then return.
|
||
if (aborted())
|
||
return;
|
||
|
||
// 2. Append algorithm to signal’s abort algorithms.
|
||
m_abort_algorithms.append(move(abort_algorithm));
|
||
}
|
||
|
||
// https://dom.spec.whatwg.org/#abortsignal-signal-abort
|
||
void AbortSignal::signal_abort(JS::Value reason)
|
||
{
|
||
// 1. If signal is aborted, then return.
|
||
if (aborted())
|
||
return;
|
||
|
||
// 2. Set signal’s abort reason to reason if it is given; otherwise to a new "AbortError" DOMException.
|
||
if (!reason.is_undefined())
|
||
m_abort_reason = reason;
|
||
else
|
||
m_abort_reason = WebIDL::AbortError::create(realm(), "Aborted without reason").ptr();
|
||
|
||
// 3. For each algorithm in signal’s abort algorithms: run algorithm.
|
||
for (auto& algorithm : m_abort_algorithms)
|
||
algorithm();
|
||
|
||
// 4. Empty signal’s abort algorithms.
|
||
m_abort_algorithms.clear();
|
||
|
||
// 5. Fire an event named abort at signal.
|
||
dispatch_event(*Event::create(realm(), HTML::EventNames::abort));
|
||
}
|
||
|
||
void AbortSignal::set_onabort(WebIDL::CallbackType* event_handler)
|
||
{
|
||
set_event_handler_attribute(HTML::EventNames::abort, event_handler);
|
||
}
|
||
|
||
WebIDL::CallbackType* AbortSignal::onabort()
|
||
{
|
||
return event_handler_attribute(HTML::EventNames::abort);
|
||
}
|
||
|
||
// https://dom.spec.whatwg.org/#dom-abortsignal-throwifaborted
|
||
JS::ThrowCompletionOr<void> AbortSignal::throw_if_aborted() const
|
||
{
|
||
// The throwIfAborted() method steps are to throw this’s abort reason, if this is aborted.
|
||
if (!aborted())
|
||
return {};
|
||
|
||
return JS::throw_completion(m_abort_reason);
|
||
}
|
||
|
||
void AbortSignal::visit_edges(JS::Cell::Visitor& visitor)
|
||
{
|
||
Base::visit_edges(visitor);
|
||
visitor.visit(m_abort_reason);
|
||
}
|
||
|
||
}
|