/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <sal/config.h>
#include <config_emscripten.h>
#include <config_vclplug.h>

#include <QtInstance.hxx>
#include <QtTimer.hxx>
#include <QtTimer.moc>
#include <svdata.hxx>

#include <vcl/svapp.hxx>

#include <QtCore/QThread>
#include <QtWidgets/QApplication>

QtTimer::QtTimer()
{
    m_aTimer.setSingleShot(true);
    m_aTimer.setTimerType(Qt::PreciseTimer);
    connect(&m_aTimer, &QTimer::timeout, this, &QtTimer::timeoutActivated);
    connect(this, &QtTimer::startTimerSignal, this, &QtTimer::startTimer);
    connect(this, &QtTimer::stopTimerSignal, this, &QtTimer::stopTimer);
}

void QtTimer::timeoutActivated()
{
#if !(defined __EMSCRIPTEN__ && ENABLE_QT6 && HAVE_EMSCRIPTEN_JSPI                                 \
      && !HAVE_EMSCRIPTEN_PROXY_TO_PTHREAD)
    //TODO: While the special Emscripten Qt6 JSPI/non-PROXY_TO_PTHREAD mode doesn't lock the
    // SolarMutex here, but only when calling pTask->Invoke() in Scheduler::CallbackTaskScheduling,
    // that looks too brittle in general, so treat that special mode specially here.
    SolarMutexGuard aGuard;
#endif
    if (Application::IsUseSystemEventLoop())
        GetQtInstance().DispatchUserEvents(true);
    CallCallback();
}

void QtTimer::startTimer(int nMS) { m_aTimer.start(nMS); }

void QtTimer::Start(sal_uInt64 nMS) { Q_EMIT startTimerSignal(nMS); }

void QtTimer::stopTimer() { m_aTimer.stop(); }

void QtTimer::Stop() { Q_EMIT stopTimerSignal(); }

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