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// Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qaspectjob.h"
#include "qaspectjob_p.h"
#include <Qt3DCore/qaspectengine.h>
#include <Qt3DCore/private/qaspectengine_p.h>
#include <QtCore/QByteArray>
QT_BEGIN_NAMESPACE
namespace Qt3DCore {
namespace {
bool isDependencyNull(const QWeakPointer<QAspectJob> &dep)
{
return dep.isNull();
}
} // anonymous
QAspectJobPrivate::QAspectJobPrivate()
: m_jobName(QLatin1String("UnknowJob"))
{
}
QAspectJobPrivate::~QAspectJobPrivate() = default;
QAspectJobPrivate *QAspectJobPrivate::get(QAspectJob *job)
{
return job->d_func();
}
bool QAspectJobPrivate::isRequired() const
{
return true;
}
void QAspectJobPrivate::postFrame(QAspectManager *aspectManager)
{
Q_UNUSED(aspectManager);
}
QAspectJob::QAspectJob()
: d_ptr(new QAspectJobPrivate)
{
}
/*!
* \class Qt3DCore::QAspectJob
* \inheaderfile Qt3DCore/QAspectJob
* \inmodule Qt3DCore
* \brief The base class for jobs executed in an aspect.
*/
/*!
* \fn void Qt3DCore::QAspectJob::run()
* Executes the job. This is called on a separate thread by the scheduler.
*/
/*!
* \internal
*/
QAspectJob::QAspectJob(QAspectJobPrivate &dd)
: d_ptr(&dd)
{
}
QAspectJob::~QAspectJob()
{
delete d_ptr;
}
/*!
* Adds \a dependency to the aspect job.
*/
void QAspectJob::addDependency(QWeakPointer<QAspectJob> dependency)
{
Q_D(QAspectJob);
d->m_dependencies.push_back(dependency);
#ifdef QT3DCORE_ASPECT_JOB_DEBUG
static int threshold = qMax(1, qgetenv("QT3DCORE_ASPECT_JOB_DEPENDENCY_THRESHOLD").toInt());
if (d->m_dependencies.count() > threshold)
qWarning() << "Suspicious number of job dependencies found";
#endif
}
/*!
* Removes the given \a dependency from aspect job.
*/
void QAspectJob::removeDependency(QWeakPointer<QAspectJob> dependency)
{
Q_D(QAspectJob);
if (!dependency.isNull()) {
d->m_dependencies.erase(std::remove(d->m_dependencies.begin(),
d->m_dependencies.end(),
dependency),
d->m_dependencies.end());
} else {
d->m_dependencies.erase(std::remove_if(d->m_dependencies.begin(),
d->m_dependencies.end(),
isDependencyNull),
d->m_dependencies.end());
}
}
/*!
* \return the dependencies of the aspect job.
*/
const std::vector<QWeakPointer<QAspectJob> > &QAspectJob::dependencies() const
{
Q_D(const QAspectJob);
return d->m_dependencies;
}
/*!
* Called in the main thread when all the jobs have completed.
* This is a good point to push changes back to the frontend.
* \a aspectEngine is the engine responsible for the run loop.
*/
void QAspectJob::postFrame(QAspectEngine *aspectEngine)
{
Q_D(QAspectJob);
if (aspectEngine) {
auto manager = QAspectEnginePrivate::get(aspectEngine)->m_aspectManager;
d->postFrame(manager);
}
}
/*!
* Should return true (default) if the job has actually something to do.
* If returning false, the job will not be scheduled (but it's dependencies
* will be).
*/
bool QAspectJob::isRequired()
{
Q_D(QAspectJob);
return d->isRequired();
}
} // namespace Qt3DCore
QT_END_NAMESPACE
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