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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++ #include "qquickprofiler_p.h"
++
++ #include <QtQml/private/qqmlabstractprofileradapter_p.h>
++
++ #include <QtCore/qcoreapplication.h>
++ #include <QtCore/qthread.h>
++
++ QT_BEGIN_NAMESPACE
++
++ // instance will be set, unset in constructor. Allows static methods to be inlined.
++ QQuickProfiler *QQuickProfiler::s_instance = nullptr;
++ quint64 QQuickProfiler::featuresEnabled = 0;
++
++ void QQuickProfiler::initialize(QObject *parent)
++ {
++ Q_ASSERT(s_instance == nullptr);
++ s_instance = new QQuickProfiler(parent);
++ }
++
++ void animationTimerCallback(qint64 delta)
++ {
++ Q_QUICK_PROFILE(QQuickProfiler::ProfileAnimations, animationFrame(delta,
++ QThread::currentThread() == QCoreApplication::instance()->thread() ?
++ QQuickProfiler::GuiThread : QQuickProfiler::RenderThread));
++ }
++
++ void QQuickProfiler::registerAnimationCallback()
++ {
++ QUnifiedTimer::instance()->registerProfilerCallback(&animationTimerCallback);
++ }
++
++ class CallbackRegistrationHelper : public QObject {
++ Q_OBJECT
++ public:
++ void registerAnimationTimerCallback()
++ {
++ QQuickProfiler::registerAnimationCallback();
++ delete this;
++ }
++ };
++
++ QQuickProfiler::QQuickProfiler(QObject *parent) : QObject(parent)
++ {
++ // This is safe because at this point the m_instance isn't initialized, yet.
++ m_timer.start();
++ CallbackRegistrationHelper *helper = new CallbackRegistrationHelper; // will delete itself
++ helper->moveToThread(QCoreApplication::instance()->thread());
++
++ // Queue the signal to have the animation timer registration run in the right thread;
++ QObject signalSource;
++ connect(&signalSource, &QObject::destroyed,
++ helper, &CallbackRegistrationHelper::registerAnimationTimerCallback,
++ Qt::QueuedConnection);
++ }
++
++ QQuickProfiler::~QQuickProfiler()
++ {
++ QMutexLocker lock(&m_dataMutex);
++ featuresEnabled = 0;
++ s_instance = nullptr;
++ }
++
++ void QQuickProfiler::startProfilingImpl(quint64 features)
++ {
++ QMutexLocker lock(&m_dataMutex);
++ featuresEnabled = features;
++ }
++
++ void QQuickProfiler::stopProfilingImpl()
++ {
++ QMutexLocker lock(&m_dataMutex);
++ featuresEnabled = 0;
++ emit dataReady(m_data);
++ m_data.clear();
++ }
++
++ void QQuickProfiler::reportDataImpl()
++ {
++ QMutexLocker lock(&m_dataMutex);
++ emit dataReady(m_data);
++ m_data.clear();
++ }
++
++ void QQuickProfiler::setTimer(const QElapsedTimer &t)
++ {
++ QMutexLocker lock(&m_dataMutex);
++ m_timer = t;
++ }
++
++ QT_END_NAMESPACE
++
++ #include "qquickprofiler.moc"
++ #include "moc_qquickprofiler_p.cpp"