Allow to filter change events based on a track property

* QNode now has a PropertyTrackMode property
* QScene contains a table of PropertyTrakcMode data
* QPostman checks if a QNode is supposed to receive a change based on the
  information available in the QScene property track mode table
* Unit tests updated and added for QPostman

Change-Id: I3b88037a949020a917c81817f1451ef532065982
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/src/core/qscene.cpp b/src/core/qscene.cpp
index 42c3a2bc8..972659131 100644
--- a/src/core/qscene.cpp
+++ b/src/core/qscene.cpp
@@ -63,8 +63,10 @@ public:
     QMultiHash<QNodeId, QNodeId> m_componentToEntities;
     QMultiHash<QNodeId, QObservableInterface *> m_observablesLookupTable;
     QHash<QObservableInterface *, QNodeId> m_observableToUuid;
+    QHash<QNodeId, QScene::NodePropertyTrackData> m_nodePropertyTrackModeLookupTable;
     QLockableObserverInterface *m_arbiter;
     mutable QReadWriteLock m_lock;
+    mutable QReadWriteLock m_nodePropertyTrackModeLock;
 };
 
 
@@ -213,6 +215,27 @@ bool QScene::hasEntityForComponent(QNodeId componentUuid, QNodeId entityUuid)
     return d->m_componentToEntities.values(componentUuid).contains(entityUuid);
 }
 
+QScene::NodePropertyTrackData QScene::lookupNodePropertyTrackData(QNodeId id) const
+{
+    Q_D(const QScene);
+    QReadLocker lock(&d->m_nodePropertyTrackModeLock);
+    return d->m_nodePropertyTrackModeLookupTable.value(id);
+}
+
+void QScene::setPropertyTrackDataForNode(QNodeId nodeId, const QScene::NodePropertyTrackData &data)
+{
+    Q_D(QScene);
+    QWriteLocker lock(&d->m_nodePropertyTrackModeLock);
+    d->m_nodePropertyTrackModeLookupTable.insert(nodeId, data);
+}
+
+void QScene::removePropertyTrackDataForNode(QNodeId nodeId)
+{
+    Q_D(QScene);
+    QWriteLocker lock(&d->m_nodePropertyTrackModeLock);
+    d->m_nodePropertyTrackModeLookupTable.remove(nodeId);
+}
+
 } // Qt3D
 
 QT_END_NAMESPACE