mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-11 05:25:32 +03:00
173 lines
4.8 KiB
C++
173 lines
4.8 KiB
C++
/*
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* Copyright (c) 2022-2023, 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 "EventLoopImplementationQt.h"
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#include "EventLoopImplementationQtEventTarget.h"
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#include <AK/IDAllocator.h>
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#include <LibCore/Event.h>
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#include <LibCore/EventReceiver.h>
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#include <LibCore/Notifier.h>
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#include <LibCore/ThreadEventQueue.h>
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#include <QCoreApplication>
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#include <QTimer>
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namespace Ladybird {
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struct ThreadData;
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static thread_local ThreadData* s_thread_data;
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struct ThreadData {
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static ThreadData& the()
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{
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if (!s_thread_data) {
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// FIXME: Don't leak this.
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s_thread_data = new ThreadData;
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}
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return *s_thread_data;
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}
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HashMap<Core::Notifier*, NonnullOwnPtr<QSocketNotifier>> notifiers;
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};
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EventLoopImplementationQt::EventLoopImplementationQt()
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{
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}
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EventLoopImplementationQt::~EventLoopImplementationQt() = default;
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int EventLoopImplementationQt::exec()
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{
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if (is_main_loop())
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return QCoreApplication::exec();
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return m_event_loop.exec();
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}
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size_t EventLoopImplementationQt::pump(PumpMode mode)
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{
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auto result = Core::ThreadEventQueue::current().process();
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auto qt_mode = mode == PumpMode::WaitForEvents ? QEventLoop::WaitForMoreEvents : QEventLoop::AllEvents;
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if (is_main_loop())
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QCoreApplication::processEvents(qt_mode);
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else
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m_event_loop.processEvents(qt_mode);
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result += Core::ThreadEventQueue::current().process();
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return result;
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}
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void EventLoopImplementationQt::quit(int code)
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{
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if (is_main_loop())
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QCoreApplication::exit(code);
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else
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m_event_loop.exit(code);
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}
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void EventLoopImplementationQt::wake()
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{
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if (!is_main_loop())
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m_event_loop.wakeUp();
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}
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void EventLoopImplementationQt::post_event(Core::EventReceiver& receiver, NonnullOwnPtr<Core::Event>&& event)
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{
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m_thread_event_queue.post_event(receiver, move(event));
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if (&m_thread_event_queue != &Core::ThreadEventQueue::current())
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wake();
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}
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static void qt_timer_fired(Core::TimerShouldFireWhenNotVisible should_fire_when_not_visible, Core::EventReceiver& object)
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{
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if (should_fire_when_not_visible == Core::TimerShouldFireWhenNotVisible::No) {
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if (!object.is_visible_for_timer_purposes())
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return;
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}
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Core::TimerEvent event;
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object.dispatch_event(event);
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}
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intptr_t EventLoopManagerQt::register_timer(Core::EventReceiver& object, int milliseconds, bool should_reload, Core::TimerShouldFireWhenNotVisible should_fire_when_not_visible)
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{
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auto timer = new QTimer;
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timer->setTimerType(Qt::PreciseTimer);
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timer->setInterval(milliseconds);
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timer->setSingleShot(!should_reload);
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auto weak_object = object.make_weak_ptr();
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QObject::connect(timer, &QTimer::timeout, [should_fire_when_not_visible, weak_object = move(weak_object)] {
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auto object = weak_object.strong_ref();
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if (!object)
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return;
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qt_timer_fired(should_fire_when_not_visible, *object);
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});
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timer->start();
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return bit_cast<intptr_t>(timer);
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}
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void EventLoopManagerQt::unregister_timer(intptr_t timer_id)
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{
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auto* timer = bit_cast<QTimer*>(timer_id);
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delete timer;
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}
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static void qt_notifier_activated(Core::Notifier& notifier)
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{
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Core::NotifierActivationEvent event(notifier.fd(), notifier.type());
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notifier.dispatch_event(event);
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}
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void EventLoopManagerQt::register_notifier(Core::Notifier& notifier)
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{
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QSocketNotifier::Type type;
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switch (notifier.type()) {
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case Core::Notifier::Type::Read:
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type = QSocketNotifier::Read;
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break;
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case Core::Notifier::Type::Write:
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type = QSocketNotifier::Write;
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break;
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default:
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TODO();
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}
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auto socket_notifier = make<QSocketNotifier>(notifier.fd(), type);
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QObject::connect(socket_notifier, &QSocketNotifier::activated, [¬ifier] {
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qt_notifier_activated(notifier);
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});
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ThreadData::the().notifiers.set(¬ifier, move(socket_notifier));
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}
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void EventLoopManagerQt::unregister_notifier(Core::Notifier& notifier)
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{
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ThreadData::the().notifiers.remove(¬ifier);
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}
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void EventLoopManagerQt::did_post_event()
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{
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QCoreApplication::postEvent(m_main_thread_event_target.ptr(), new QtEventLoopManagerEvent(QtEventLoopManagerEvent::process_event_queue_event_type()));
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}
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bool EventLoopManagerQt::event_target_received_event(Badge<EventLoopImplementationQtEventTarget>, QEvent* event)
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{
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if (event->type() == QtEventLoopManagerEvent::process_event_queue_event_type()) {
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Core::ThreadEventQueue::current().process();
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return true;
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}
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return false;
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}
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EventLoopManagerQt::EventLoopManagerQt()
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: m_main_thread_event_target(make<EventLoopImplementationQtEventTarget>())
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{
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}
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EventLoopManagerQt::~EventLoopManagerQt() = default;
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NonnullOwnPtr<Core::EventLoopImplementation> EventLoopManagerQt::make_implementation()
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{
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return adopt_own(*new EventLoopImplementationQt);
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}
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}
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