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52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
/*
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* Copyright (c) 2021, 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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#include <LibJS/Runtime/VM.h>
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#include <LibWeb/Bindings/MainThreadVM.h>
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#include <LibWeb/HTML/EventLoop/EventLoop.h>
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namespace Web::HTML {
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EventLoop::EventLoop()
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{
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}
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EventLoop::~EventLoop()
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{
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}
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EventLoop& main_thread_event_loop()
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{
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return static_cast<Bindings::WebEngineCustomData*>(Bindings::main_thread_vm().custom_data())->event_loop;
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}
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// https://html.spec.whatwg.org/multipage/webappapis.html#spin-the-event-loop
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void EventLoop::spin_until([[maybe_unused]] Function<bool()> goal_condition)
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{
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// FIXME: 1. Let task be the event loop's currently running task.
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// FIXME: 2. Let task source be task's source.
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// FIXME: 3. Let old stack be a copy of the JavaScript execution context stack.
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// FIXME: 4. Empty the JavaScript execution context stack.
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// FIXME: 5. Perform a microtask checkpoint.
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// FIXME: 6. In parallel:
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// FIXME: 1. Wait until the condition goal is met.
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// FIXME: 2. Queue a task on task source to:
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// FIXME: 1. Replace the JavaScript execution context stack with old stack.
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// FIXME: 2. Perform any steps that appear after this spin the event loop instance in the original algorithm.
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// FIXME: 7. Stop task, allowing whatever algorithm that invoked it to resume.
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}
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}
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