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ladybird/Userland/Libraries/LibWeb/DOM/AbortController.cpp

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LibWeb: Add initial support for AbortController and AbortSignal The DOM specification says that the primary use case for these is to give Promises abort semantics. It is also a prerequisite for Fetch, as it is used to make Fetch abortable. a
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/*
* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/DOM/AbortController.h>
#include <LibWeb/DOM/AbortSignal.h>
namespace Web::DOM {
LibWeb: Make AbortController GC-allocated
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JS::NonnullGCPtr<AbortController> AbortController::create_with_global_object(HTML::Window& window)
{
auto signal = AbortSignal::create_with_global_object(window);
return *window.heap().allocate<AbortController>(window.realm(), window, move(signal));
}
LibWeb: Add initial support for AbortController and AbortSignal The DOM specification says that the primary use case for these is to give Promises abort semantics. It is also a prerequisite for Fetch, as it is used to make Fetch abortable. a
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// https://dom.spec.whatwg.org/#dom-abortcontroller-abortcontroller
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AbortController::AbortController(HTML::Window& window, JS::NonnullGCPtr<AbortSignal> signal)
: PlatformObject(window.realm())
, m_signal(move(signal))
{
LibWeb: Use cached_web_prototype() as much as possible Unlike ensure_web_prototype<T>(), the cached version doesn't require the prototype type to be fully formed, so we can use it without including the FooPrototype.h header. It's also a bit less verbose. :^)
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set_prototype(&window.cached_web_prototype("AbortController"));
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}
AbortController::~AbortController() = default;
void AbortController::visit_edges(Cell::Visitor& visitor)
LibWeb: Add initial support for AbortController and AbortSignal The DOM specification says that the primary use case for these is to give Promises abort semantics. It is also a prerequisite for Fetch, as it is used to make Fetch abortable. a
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{
LibWeb: Make AbortController GC-allocated
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Base::visit_edges(visitor);
visitor.visit(m_signal.ptr());
LibWeb: Add initial support for AbortController and AbortSignal The DOM specification says that the primary use case for these is to give Promises abort semantics. It is also a prerequisite for Fetch, as it is used to make Fetch abortable. a
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}
// https://dom.spec.whatwg.org/#dom-abortcontroller-abort
LibWeb: Add support for AbortSignal.reason
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void AbortController::abort(JS::Value reason)
LibWeb: Add initial support for AbortController and AbortSignal The DOM specification says that the primary use case for these is to give Promises abort semantics. It is also a prerequisite for Fetch, as it is used to make Fetch abortable. a
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{
LibWeb: Add support for AbortSignal.reason
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// The abort(reason) method steps are to signal abort on this’s signal with reason if it is given.
m_signal->signal_abort(reason);
LibWeb: Add initial support for AbortController and AbortSignal The DOM specification says that the primary use case for these is to give Promises abort semantics. It is also a prerequisite for Fetch, as it is used to make Fetch abortable. a
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}
}
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