Use direct access to remove backend nodes

- Stop using messages
- Remove QSceneObserverInterface
- Ensure backend node creation/destruction is done at the right time

Change-Id: I470825af344ab65bf05e93fc149b61d1b9eefc96
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

1 files changed, 2 insertions, 5 deletions

diff --git a/src/core/nodes/qnode.cpp b/src/core/nodes/qnode.cpp
index 5f9468124..b41f5b3e2 100644
--- a/src/core/nodes/qnode.cpp
+++ b/src/core/nodes/qnode.cpp
@@ -149,11 +149,8 @@ void QNodePrivate::notifyDestructionChangesAndRemoveFromScene()
     }
 
     // Tell the backend we are about to be destroyed
-    if (m_hasBackendNode) {
-        const QDestructionIdAndTypeCollector collector(q);
-        const auto destroyedChange = QNodeDestroyedChangePtr::create(q, collector.subtreeIdsAndTypes());
-        notifyObservers(destroyedChange);
-    }
+    if (m_hasBackendNode && m_scene && m_scene->engine())
+        QAspectEnginePrivate::get(m_scene->engine())->removeNode(q);
 
     // We unset the scene from the node as its backend node was/is about to be destroyed
     QNodeVisitor visitor;