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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
****************************************************************************/
#include "qpostman_p.h"
#include "qpostman_p_p.h"
#include <Qt3DCore/qnode.h>
#include <Qt3DCore/qpropertyupdatedchange.h>
#include <Qt3DCore/private/qlockableobserverinterface_p.h>
#include <Qt3DCore/private/qnode_p.h>
#include <Qt3DCore/private/qpropertyupdatedchangebase_p.h>
#include <Qt3DCore/private/qscene_p.h>
#include <QtCore/private/qobject_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DCore {
QPostmanPrivate *QPostmanPrivate::get(QPostman *q)
{
return q->d_func();
}
QPostman::QPostman(QObject *parent)
: QObject(*new QPostmanPrivate, parent)
{
qRegisterMetaType<QSceneChangePtr >("QSceneChangePtr");
}
QPostman::~QPostman()
{
}
void QPostman::setScene(QScene *scene)
{
Q_D(QPostman);
d->m_scene = scene;
}
static inline QMetaMethod notifyFrontendNodeMethod()
{
int idx = QPostman::staticMetaObject.indexOfMethod("notifyFrontendNode(QSceneChangePtr)");
Q_ASSERT(idx != -1);
return QPostman::staticMetaObject.method(idx);
}
void QPostman::sceneChangeEvent(const QSceneChangePtr &e)
{
static const QMetaMethod notifyFrontendNode = notifyFrontendNodeMethod();
notifyFrontendNode.invoke(this, Q_ARG(QSceneChangePtr, e));
}
static inline QMetaMethod submitChangeBatchMethod()
{
int idx = QPostman::staticMetaObject.indexOfMethod("submitChangeBatch()");
Q_ASSERT(idx != -1);
return QPostman::staticMetaObject.method(idx);
}
/*
* \internal
* This will start or append \a change to a batch of changes from frontend
* nodes. Once the batch is complete, when the event loop returns, the batch is
* sent to the QChangeArbiter to notify the backend aspects.
*/
void QPostman::notifyBackend(const QSceneChangePtr &change)
{
// If batch in progress
// add change
// otherwise start batch
// by calling a queued slot
Q_D(QPostman);
if (d->m_batch.empty()) {
static const QMetaMethod submitChangeBatch = submitChangeBatchMethod();
submitChangeBatch.invoke(this, Qt::QueuedConnection);
}
d->m_batch.push_back(change);
}
// AspectThread
bool QPostman::shouldNotifyFrontend(const QSceneChangePtr &e)
{
Q_D(QPostman);
const QPropertyUpdatedChangePtr propertyChange = qSharedPointerDynamicCast<QPropertyUpdatedChange>(e);
if (Q_LIKELY(d->m_scene != nullptr) && !propertyChange.isNull()) {
const QScene::NodePropertyTrackData propertyTrackData
= d->m_scene->lookupNodePropertyTrackData(e->subjectId());
const QNode::PropertyTrackingMode trackMode = propertyTrackData.trackedPropertiesOverrides.value(QLatin1String(propertyChange->propertyName()),
propertyTrackData.defaultTrackMode);
switch (trackMode) {
case QNode::TrackAllValues:
return true;
case QNode::DontTrackValues:
return false;
case QNode::TrackFinalValues: {
const bool isIntermediate
= QPropertyUpdatedChangeBasePrivate::get(propertyChange.data())->m_isIntermediate;
return !isIntermediate;
}
default:
Q_UNREACHABLE();
return false;
}
}
return true;
}
// Main Thread
void QPostman::notifyFrontendNode(const QSceneChangePtr &e)
{
Q_D(QPostman);
if (!e.isNull() && d->m_scene != nullptr) {
QNode *n = d->m_scene->lookupNode(e->subjectId());
if (n != nullptr)
n->sceneChangeEvent(e);
}
}
void QPostman::submitChangeBatch()
{
Q_D(QPostman);
QLockableObserverInterface *arbiter = nullptr;
if (d->m_scene && (arbiter = d->m_scene->arbiter()) != nullptr) {
arbiter->sceneChangeEventWithLock(d->m_batch);
d->m_batch.clear();
}
}
} //Qt3D
QT_END_NAMESPACE
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