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https://github.com/SerenityOS/serenity
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ef553a4b76
There's no point in busy-waiting for the condition to come true. By passing the `WaitForMoreEvents` flag to `processEvents()`, we allow Qt to block until it has something for us to react to. This was extremely noticeable when waiting for large resources to finish loading.
46 lines
1,007 B
C++
46 lines
1,007 B
C++
/*
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* Copyright (c) 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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#define AK_DONT_REPLACE_STD
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#include "EventLoopPluginQt.h"
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#include "TimerQt.h"
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#include <AK/Function.h>
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#include <AK/NonnullRefPtr.h>
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#include <QCoreApplication>
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#include <QTimer>
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namespace Ladybird {
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EventLoopPluginQt::EventLoopPluginQt() = default;
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EventLoopPluginQt::~EventLoopPluginQt() = default;
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void EventLoopPluginQt::spin_until(Function<bool()> goal_condition)
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{
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while (!goal_condition())
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QCoreApplication::processEvents(QEventLoop::ProcessEventsFlag::AllEvents | QEventLoop::ProcessEventsFlag::WaitForMoreEvents);
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}
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void EventLoopPluginQt::deferred_invoke(Function<void()> function)
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{
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VERIFY(function);
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QTimer::singleShot(0, [function = move(function)] {
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function();
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});
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}
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NonnullRefPtr<Web::Platform::Timer> EventLoopPluginQt::create_timer()
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{
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return TimerQt::create();
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}
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void EventLoopPluginQt::quit()
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{
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QCoreApplication::quit();
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}
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}
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