Move property cache from the engine to QQmlType

Now that the property cache is independent of a specific
engine, we can cache them in QQmlType instead of caching
them per engine.

This simplifies the logic and avoids duplicated property
caches when multiple engines are running.

Task-number: QTBUG-61536
Change-Id: I6f082e1e7495ae0f5b92559e8d0a3437c56e303a
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/qml/qml/qqmlmetatype_p.h b/src/qml/qml/qqmlmetatype_p.h
index d17172a917..c577a9cc18 100644
--- a/src/qml/qml/qqmlmetatype_p.h
+++ b/src/qml/qml/qqmlmetatype_p.h
@@ -70,6 +70,7 @@ class QQmlTypeModule;
 class QHashedString;
 class QHashedStringRef;
 class QMutex;
+class QQmlPropertyCache;
 
 namespace QV4 { struct String; }
 
@@ -89,6 +90,8 @@ public:
     static QQmlType qmlType(const QUrl &url, bool includeNonFileImports = false);
     static QQmlType qmlTypeFromIndex(int);
 
+    static QQmlPropertyCache *propertyCache(const QMetaObject *metaObject);
+
     static QMetaProperty defaultProperty(const QMetaObject *);
     static QMetaProperty defaultProperty(QObject *);
     static QMetaMethod defaultMethod(const QMetaObject *);